From 964bf2c58aade89cd355942c9f983e8962557c68 Mon Sep 17 00:00:00 2001 From: eavanvalkenburg Date: Fri, 31 Jan 2025 12:18:35 +0100 Subject: [PATCH 01/17] ADR for realtime --- docs/decisions/0064-realtime-api-clients.md | 404 ++++++++++++++++++++ 1 file changed, 404 insertions(+) create mode 100644 docs/decisions/0064-realtime-api-clients.md diff --git a/docs/decisions/0064-realtime-api-clients.md b/docs/decisions/0064-realtime-api-clients.md new file mode 100644 index 000000000000..4fb6dc22e5bd --- /dev/null +++ b/docs/decisions/0064-realtime-api-clients.md @@ -0,0 +1,404 @@ +--- +# These are optional elements. Feel free to remove any of them. +status: {proposed } +contact: {Eduard van Valkenburg} +date: { 2025-01-31 } +deciders: { Eduard van Valkenburg, Mark Wallace, Ben Thomas, Shawn Henry } +consulted: { Weslie Steyn, Roger Barreto, Ben Thomas, Mark Wallace, Sergey Menshykh, Evan Mattson } +informed: { Tao Chen, Dmytro Struk } +--- + +# Multi-modal Realtime API Clients + +## Context and Problem Statement + +Multiple model providers are starting to enable realtime voice-to-voice or even multi-modal, realtime, two-way communication with their models, this includes OpenAI with their [Realtime API](https://openai.com/index/introducing-the-realtime-api/) and [Google Gemini](https://ai.google.dev/api/multimodal-live). These API's promise some very interesting new ways of using LLM's for different scenario's, which we want to enable with Semantic Kernel. + +The key feature that Semantic Kernel brings into this system is the ability to (re)use Semantic Kernel function as tools with these API's. There are also options for Google to use video and images as input, this will likely not be implemented first, but the abstraction should be able to deal with it. + +At this time, the protocols that these API's use are Websockets and WebRTC. + +In both cases there are events being sent to and from the service, some events contain content, text, audio, or video (so far only sending, not receiving), while some events are "control" events, like content created, function call requested, etc. Sending events include, sending content, either voice, text or function call output, or events, like committing the input audio and requesting a response. + +### Websocket +Websocket has been around for a while and is a well known technology, it is a full-duplex communication protocol over a single, long-lived connection. It is used for sending and receiving messages between client and server in real-time. Each event can contain a message, which might contain a content item, or a control event. Audio is sent as a base64 encoded string that is part of a event. + +### WebRTC +WebRTC is a Mozilla project that provides web browsers and mobile applications with real-time communication via simple APIs. It allows audio and video communication to work inside web pages and other applications by allowing direct peer-to-peer communication, eliminating the need to install plugins or download native apps. It is used for sending and receiving audio and video streams, and can be used for sending (data-)messages as well. The big difference compared to websockets is that it explicitly create a channel for audio and video, and a separate channel for "data", which are events and in this space that contains all non-AV content, text, function calls, function results and control events, like errors or acknowledgements. + +Both the OpenAI and Google realtime api's are in preview/beta, this means there might be breaking changes in the way they work coming in the future, therefore the clients built to support these API's are going to be experimental until the API's stabilize. + +### Event types (Websocket and partially WebRTC) + +#### Client side events: +| **Content/Control event** | **Event Description** | **OpenAI Event** | **Google Event** | +| ------------------------- | --------------------------------- | ---------------------------- | ---------------------------------- | +| Control | Configure session | `session.update` | `BidiGenerateContentSetup` | +| Content | Send voice input | `input_audio_buffer.append` | `BidiGenerateContentRealtimeInput` | +| Control | Commit input and request response | `input_audio_buffer.commit` | `-` | +| Control | Clean audio input buffer | `input_audio_buffer.clear` | `-` | +| Content | Send text input | `conversation.item.create` | `BidiGenerateContentClientContent` | +| Control | Interrupt audio | `conversation.item.truncate` | `-` | +| Control | Delete content | `conversation.item.delete` | `-` | +| Control | Respond to function call request | `conversation.item.create` | `BidiGenerateContentToolResponse` | +| Control | Ask for response | `response.create` | `-` | +| Control | Cancel response | `response.cancel` | `-` | + +#### Server side events: +| **Content/Control event** | **Event Description** | **OpenAI Event** | **Google Event** | +| ------------------------- | -------------------------------------- | ------------------------------------------------------- | ----------------------------------------- | +| Control | Error | `error` | `-` | +| Control | Session created | `session.created` | `BidiGenerateContentSetupComplete` | +| Control | Session updated | `session.updated` | `BidiGenerateContentSetupComplete` | +| Control | Conversation created | `conversation.created` | `-` | +| Control | Input audio buffer committed | `input_audio_buffer.committed` | `-` | +| Control | Input audio buffer cleared | `input_audio_buffer.cleared` | `-` | +| Control | Input audio buffer speech started | `input_audio_buffer.speech_started` | `-` | +| Control | Input audio buffer speech stopped | `input_audio_buffer.speech_stopped` | `-` | +| Content | Conversation item created | `conversation.item.created` | `-` | +| Content | Input audio transcription completed | `conversation.item.input_audio_transcription.completed` | | +| Content | Input audio transcription failed | `conversation.item.input_audio_transcription.failed` | | +| Control | Conversation item truncated | `conversation.item.truncated` | `-` | +| Control | Conversation item deleted | `conversation.item.deleted` | `-` | +| Control | Response created | `response.created` | `-` | +| Control | Response done | `response.done` | `-` | +| Content | Response output item added | `response.output_item.added` | `-` | +| Content | Response output item done | `response.output_item.done` | `-` | +| Content | Response content part added | `response.content_part.added` | `-` | +| Content | Response content part done | `response.content_part.done` | `-` | +| Content | Response text delta | `response.text.delta` | `BidiGenerateContentServerContent` | +| Content | Response text done | `response.text.done` | `-` | +| Content | Response audio transcript delta | `response.audio_transcript.delta` | `BidiGenerateContentServerContent` | +| Content | Response audio transcript done | `response.audio_transcript.done` | `-` | +| Content | Response audio delta | `response.audio.delta` | `BidiGenerateContentServerContent` | +| Content | Response audio done | `response.audio.done` | `-` | +| Content | Response function call arguments delta | `response.function_call_arguments.delta` | `BidiGenerateContentToolCall` | +| Content | Response function call arguments done | `response.function_call_arguments.done` | `-` | +| Control | Function call cancelled | `-` | `BidiGenerateContentToolCallCancellation` | +| Control | Rate limits updated | `rate_limits.updated` | `-` | + + +## Overall Decision Drivers +- Abstract away the underlying protocols, so that developers can build applications that implement whatever protocol they want to support, without having to change the client code when changing models or protocols. + - There are some limitations expected here as some WebRTC requires different information at session create time then websockets. +- Simple programming model that is likely able to handle future realtime api's and the evolution of the existing ones. +- Whenever possible we transform incoming content into Semantic Kernel content, but surface everything, so it's extensible for developers and in the future. + +There are multiple areas where we need to make decisions, these are: +- Content and Events +- Programming model +- Audio speaker/microphone handling +- Interface design and naming + +# Content and Events + +## Considered Options - Content and Events +Both the sending and receiving side of these integrations need to decide how to deal with the events. + +1. Treat content separate from control +1. Treat everything as content items +1. Treat everything as events + +### 1. Treat content separate from control +This would mean there are two mechanisms in the clients, one deals with content, and one with control events. + +- Pro: + - strongly typed responses for known content + - easy to use as the main interactions are clear with familiar SK content types, the rest goes through a separate mechanism +- Con: + - new content support requires updates in the codebase and can be considered breaking (potentially sending additional types back) + - additional complexity in dealing with two streams of data + - some items, such as Function calls can be considered both content and control, control when doing auto-function calling, but content when the developer wants to deal with it themselves + +### 2. Treat everything as content items +This would mean that all events are turned into Semantic Kernel content items, and would also mean that we need to define additional content types for the control events. + +- Pro: + - everything is a content item, so it's easy to deal with +- Con: + - new content type needed for control events + +### 3. Treat everything as events +This would introduce events, each event has a type, those can be core content types, like audio, video, image, text, function call or function response, as well as a generic event for control events without content. Each event has a SK type, from above as well as a service_event field that contains the event type from the service. Finally the event has a content field, which corresponds to the type, and for the generic event contains the raw event from the service. + +- Pro: + - no transformation needed for service events + - easy to maintain and extend +- Con: + - new concept introduced + - might be confusing to have contents with and without SK type + +## Decision Outcome - Content and Events + +Chosen option: 3 Treat Everything as Events + +This option was chosen to allow abstraction away from the raw events, while still allowing the developer to access the raw events if needed. +A set of events are defined, for basic types, like 'audio', 'text', 'function_call', 'function_result', it then has two other fields, service_event which is filled with the event type from the service and a field for the actual content, with a name that corresponds to the event type, the actual content should use the inner_content field to capture the raw event. + +It might also be possible that a single event from the service contains multiple content items, for instance a response might contain both text and audio, in that case multiple events will be emitted. It might also be that a single service event is represented twice, i.e. once as a AudioEvent and once as a ServiceEvent, this once again gives the most flexibility to the developer. + +```python +AudioEvent( + event_type="audio", + service_event="response.audio.delta", + audio: AudioContent(...) +) +``` + +```python +TextEvent( + event_type="text", + service_event="response.text.delta", + text: TextContent(...) +) +``` + +```python +FunctionCallEvent( + event_type="function_call", + service_event="response.function_call_arguments.delta", + function_call: FunctionCallContent(...) +) +``` + +```python +FunctionResultEvent( + event_type="function_result", + service_event="response.output_item.added", + function_result: FunctionResultContent(...) +) +``` + +```python +ImageEvent( + event_type="image", + service_event="response.image.delta", + image: ImageContent(...) +) +``` + +Next to these we will have a generic event, called ServiceEvent, this is the catch-all, which has event_type: "service", the service_event field filled with the event type from the service and a field called 'event' which contains the raw event from the service. + +```python +ServiceEvent( + event_type="service", + service_event="conversation.item.create", + event: { ... } +) +``` + +This allows you to easily do pattern matching on the event_type, and then use the service_event to filter on the specific event type for service events, or just grab the contents for the other ones. + +Collectively these are known as *RealtimeEvents*, and are returned as an async generator from the client, so you can easily loop over them. And they are passed to the send method. + +One open item is whether to include a extra field in these types for tracking related pieces, however this becomes problematic because the way those are generated differs per service and is quite complex, for instance the OpenAI API returns a piece of audio transcript with the following ids: +- `event_id`: the unique id of the event +- `response_id`: the id of the response +- `item_id`: the id of the item +- `output_index`: the index of the output item in the response +- `content_index`: The index of the content part in the item's content array + +While Google has ID's only in some content items, like function calls, but not for audio or text content. + +Since the id's are always available through the raw event (either as inner_content or as .event), it is not necessary to add them to the content types, and it would make the content types more complex and harder to reuse across services. + +### Rejected ideas +Wrapping content in a `(Streaming)ChatMessageContent` first, this will add another layer of complexity and since a CMC can contain multiple items, to access audio, would look like this: `event.content.items[0].audio.data`, which is not as clear as `event.audio.data`. + +# Programming model + +## Considered Options - Programming model +The programming model for the clients needs to be simple and easy to use, while also being able to handle the complexity of the realtime api's. + +_In this section we will refer to events for both content and events, regardless of the decision made in the previous section._ + +This is mostly about the receiving side of things, sending is much simpler. + +1. Event handlers, developers register handlers for specific events, and the client calls these handlers when an event is received + - 1a: Single event handlers, where each event is passed to the handler + - 1b: Multiple event handlers, where each event type has its own handler(s) +2. Event buffers/queues that are exposed to the developer, start sending and start receiving methods, that just initiate the sending and receiving of events and thereby the filling of the buffers +3. AsyncGenerator that yields Events + +### 1. Event handlers, developers register handlers for specific events, and the client calls these handlers when an event is received +This would mean that the client would have a mechanism to register event handlers, and the integration would call these handlers when an event is received. For sending events, a function would be created that sends the event to the service. + +- Pro: + - no need to deal with complex things like async generators and easier to keep track of what events you want to respond to +- Con: + - can become cumbersome, and in 1b would require updates to support new events + - things like ordering (which event handler is called first) are unclear to the developer + +### 2. Event buffers/queues that are exposed to the developer, start sending and start receiving methods, that just initiate the sending and receiving of events and thereby the filling of the buffers +This would mean that there are two queues, one for sending and one for receiving, and the developer can listen to the receiving queue and send to the sending queue. Internal things like parsing events to content types and auto-function calling are processed first, and the result is put in the queue, the content type should use inner_content to capture the full event and these might add a message to the send queue as well. + +- Pro: + - simple to use, just start sending and start receiving + - easy to understand, as queues are a well known concept + - developers can just skip events they are not interested in +- Con: + - potentially causes audio delays because of the queueing mechanism + +### 2b. Same as option 2, but with priority handling of audio content +This would mean that the audio content is handled, and passed to the developer code, and then all other events are processed. + +- Pro: + - mitigates audio delays + - easy to understand, as queues are a well known concept + - developers can just skip events they are not interested in +- Con: + - Two separate mechanisms used for audio content and events + +### 3. AsyncGenerator that yields Events +This would mean that the clients implement a function that yields events, and the developer can loop through it and deal with events as they come. + +- Pro: + - easy to use, just loop through the events + - easy to understand, as async generators are a well known concept + - developers can just skip events they are not interested in +- Con: + - potentially causes audio delays because of the async nature of the generator + - lots of events types mean a large single set of code to handle it all + +### 3b. Same as option 3, but with priority handling of audio content +This would mean that the audio content is handled, and passed to the developer code, and then all other events are yielded. + +- Pro: + - mitigates audio delays + - easy to understand, as async generators are a well known concept +- Con: + - Two separate mechanisms used for audio content and events + +## Decision Outcome - Programming model + +Chosen option: 3b AsyncGenerator that yields Events combined with priority handling of audio content through a callback + +This makes the programming model very easy, a minimal setup that should work for every service and protocol would look like this: +```python +async for event in realtime_client.start_streaming(): + match event.event_type: + case "audio": + await audio_player.add_audio(event.audio) + case "text": + print(event.text.text) +``` + +# Audio speaker/microphone handling + +## Considered Options - Audio speaker/microphone handling + +1. Create abstraction in SK for audio handlers, that can be passed into the realtime client to record and play audio +2. Send and receive AudioContent to the client, and let the client handle the audio recording and playing + +### 1. Create abstraction in SK for audio handlers, that can be passed into the realtime client to record and play audio +This would mean that the client would have a mechanism to register audio handlers, and the integration would call these handlers when audio is received or needs to be sent. A additional abstraction for this would have to be created in Semantic Kernel (or potentially taken from a standard). + +- Pro: + - simple/local audio handlers can be shipped with SK making it easy to use + - extensible by third parties to integrate into other systems (like Azure Communications Service) + - could mitigate buffer issues by prioritizing audio content being sent to the handlers +- Con: + - extra code in SK that needs to be maintained, potentially relying on third party code + +### 2. Send and receive AudioContent to the client, and let the client handle the audio recording and playing +This would mean that the client would receive AudioContent items, and would have to deal with them itself, including recording and playing the audio. + +- Pro: + - no extra code in SK that needs to be maintained +- Con: + - extra burden on the developer to deal with the audio + - harder to get started with + +## Decision Outcome - Audio speaker/microphone handling + +Chosen option: Option 2: there are vast difference in audio format, frame duration, sample rate and other audio settings, that a default that works *always* is not feasible, and the developer will have to deal with this anyway, so it's better to let them deal with it from the start, we will add sample audio handlers to the samples to still allow people to get started with ease. + +# Interface design + +The following methods will need to be supported: +- create session +- update session +- close session +- listen for/receive events +- send events + +## Considered Options - Interface design + +1. Use a single class for everything +2. Split the service class from a session class. + +### 1. Use a single class for everything + +Each implementation would have to implements all of the above methods. This means that non-protocol specific elements are in the same class as the protocol specific elements and will lead to code duplication between them. + +### 2. Split the service class from a session class. + +Two interfaces are created: +- Service: create session, update session, delete session, maybe list sessions? +- Session: listen for/receive events, send events, update session, close session + +Currently neither the google or the openai api's support restarting sessions, so the advantage of splitting is mostly a implementation question but will not add any benefits to the developer. This means that the split would be far simpler: +- Service: create session +- Session: listen for/receive events, send events, update session, close session + +## Naming + +The send and listen/receive methods need to be clear in the way their are named and this can become confusing when dealing with these api's. The following options are considered: + +Options for sending events to the service from your code: +- google uses .send in their client. +- OpenAI uses .send in their client as well +- send or send_message is used in other clients, like Azure Communication Services + +Options for listening for events from the service in your code: +- google uses .receive in their client. +- openai uses .recv in their client. +- others use receive or receive_messages in their clients. + +### Decision Outcome - Interface design + +Chosen option: Use a single class for everything +Chosen for send and receive as verbs. + +This means that the interface will look like this: +```python + +class RealtimeClient: + async def create_session(self, settings: PromptExecutionSettings, chat_history: ChatHistory, **kwargs) -> None: + ... + + async def update_session(self, settings: PromptExecutionSettings, chat_history: ChatHistory, **kwargs) -> None: + ... + + async def close_session(self, **kwargs) -> None: + ... + + async def receive(self, **kwargs) -> AsyncGenerator[RealtimeEvent, None]: + ... + + async def send(self, event: RealtimeEvent) -> None: + ... +``` + +In most cases, create_session should call update_session with the same parameters, since update session can also be done separately later on with the same inputs. + +For Python a default __aenter__ and __aexit__ method should be added to the class, so it can be used in a with statement, which calls create_session and close_session respectively. + +It is advisable, but not required, to implement the send method through a buffer/queue so that events be can 'sent' before the sessions has been established without losing them or raising exceptions, this might take a few seconds and in that time a single send call would block the application. + +The send method should handle all events types, but it might have to handle the same thing in two ways, for instance: +```python +audio = AudioContent(...) + +await client.send(AudioEvent(event_type='audio', audio=audio)) +``` + +should be equivalent to (for the OpenAI API): +```python +audio = AudioContent(...) + +await client.send(ServiceEvent(event_type='service', service_event='input_audio_buffer.append', event=audio)) +``` + +The first version allows one to have the exact same code for all services, while the second version is also correct and should be handled correctly as well, this once again allows for flexibility and simplicity, when audio needs to be sent to with a different event type, that is still possible in the second way, while the first uses the "default" event type for that particular service, this would be required to seed the conversation with completed audio snippets from a previous session, rather then just the transcripts, the completed audio, needs to be of event type 'conversation.item.create' for OpenAI, while a streamed 'frame' of audio would be 'input_audio_buffer.append' and that would be the default to use. + From d84a161a7777dd00a7709329e97a6c0e9291e09a Mon Sep 17 00:00:00 2001 From: eavanvalkenburg Date: Sat, 1 Feb 2025 15:19:18 +0100 Subject: [PATCH 02/17] addressed comments --- docs/decisions/0064-realtime-api-clients.md | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/docs/decisions/0064-realtime-api-clients.md b/docs/decisions/0064-realtime-api-clients.md index 4fb6dc22e5bd..6236d0ba1d7d 100644 --- a/docs/decisions/0064-realtime-api-clients.md +++ b/docs/decisions/0064-realtime-api-clients.md @@ -80,7 +80,7 @@ Both the OpenAI and Google realtime api's are in preview/beta, this means there ## Overall Decision Drivers - Abstract away the underlying protocols, so that developers can build applications that implement whatever protocol they want to support, without having to change the client code when changing models or protocols. - - There are some limitations expected here as some WebRTC requires different information at session create time then websockets. + - There are some limitations expected here as i.e. WebRTC requires different information at session create time than websockets. - Simple programming model that is likely able to handle future realtime api's and the evolution of the existing ones. - Whenever possible we transform incoming content into Semantic Kernel content, but surface everything, so it's extensible for developers and in the future. @@ -240,7 +240,7 @@ This would mean that there are two queues, one for sending and one for receiving - potentially causes audio delays because of the queueing mechanism ### 2b. Same as option 2, but with priority handling of audio content -This would mean that the audio content is handled, and passed to the developer code, and then all other events are processed. +This would mean that the audio content is handled first and sent to a callback directly so that the developer can play it or send it onward as soon as possible, and then all other events are processed (like text, function calls, etc) and put in the queue. - Pro: - mitigates audio delays @@ -261,7 +261,7 @@ This would mean that the clients implement a function that yields events, and th - lots of events types mean a large single set of code to handle it all ### 3b. Same as option 3, but with priority handling of audio content -This would mean that the audio content is handled, and passed to the developer code, and then all other events are yielded. +This would mean that the audio content is handled first and sent to a callback directly so that the developer can play it or send it onward as soon as possible, and then all other events are parsed and yielded. - Pro: - mitigates audio delays @@ -299,6 +299,7 @@ This would mean that the client would have a mechanism to register audio handler - could mitigate buffer issues by prioritizing audio content being sent to the handlers - Con: - extra code in SK that needs to be maintained, potentially relying on third party code + - audio drivers can be platform specific, so this might not work well or at all on all platforms ### 2. Send and receive AudioContent to the client, and let the client handle the audio recording and playing This would mean that the client would receive AudioContent items, and would have to deal with them itself, including recording and playing the audio. @@ -384,7 +385,7 @@ In most cases, create_session should call update_session with the same parameter For Python a default __aenter__ and __aexit__ method should be added to the class, so it can be used in a with statement, which calls create_session and close_session respectively. -It is advisable, but not required, to implement the send method through a buffer/queue so that events be can 'sent' before the sessions has been established without losing them or raising exceptions, this might take a few seconds and in that time a single send call would block the application. +It is advisable, but not required, to implement the send method through a buffer/queue so that events can be 'sent' before the sessions has been established without losing them or raising exceptions, this might take a few seconds and in that time a single send call would block the application. The send method should handle all events types, but it might have to handle the same thing in two ways, for instance: ```python From 9e70ed62447e40a63d1a1f1d2e5a53d800fc7d37 Mon Sep 17 00:00:00 2001 From: eavanvalkenburg Date: Tue, 11 Feb 2025 09:28:20 +0100 Subject: [PATCH 03/17] updated number --- ...4-realtime-api-clients.md => 0065-realtime-api-clients.md} | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) rename docs/decisions/{0064-realtime-api-clients.md => 0065-realtime-api-clients.md} (99%) diff --git a/docs/decisions/0064-realtime-api-clients.md b/docs/decisions/0065-realtime-api-clients.md similarity index 99% rename from docs/decisions/0064-realtime-api-clients.md rename to docs/decisions/0065-realtime-api-clients.md index 6236d0ba1d7d..db3d110a5f25 100644 --- a/docs/decisions/0064-realtime-api-clients.md +++ b/docs/decisions/0065-realtime-api-clients.md @@ -1,7 +1,7 @@ --- # These are optional elements. Feel free to remove any of them. -status: {proposed } -contact: {Eduard van Valkenburg} +status: { proposed } +contact: { Eduard van Valkenburg} date: { 2025-01-31 } deciders: { Eduard van Valkenburg, Mark Wallace, Ben Thomas, Shawn Henry } consulted: { Weslie Steyn, Roger Barreto, Ben Thomas, Mark Wallace, Sergey Menshykh, Evan Mattson } From f73dc98af9370b2f06164d3d1dd6258ba544777f Mon Sep 17 00:00:00 2001 From: eavanvalkenburg Date: Tue, 11 Feb 2025 09:36:42 +0100 Subject: [PATCH 04/17] replaced openai link --- docs/decisions/0065-realtime-api-clients.md | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/docs/decisions/0065-realtime-api-clients.md b/docs/decisions/0065-realtime-api-clients.md index db3d110a5f25..b301cc34e6bb 100644 --- a/docs/decisions/0065-realtime-api-clients.md +++ b/docs/decisions/0065-realtime-api-clients.md @@ -12,7 +12,7 @@ informed: { Tao Chen, Dmytro Struk } ## Context and Problem Statement -Multiple model providers are starting to enable realtime voice-to-voice or even multi-modal, realtime, two-way communication with their models, this includes OpenAI with their [Realtime API](https://openai.com/index/introducing-the-realtime-api/) and [Google Gemini](https://ai.google.dev/api/multimodal-live). These API's promise some very interesting new ways of using LLM's for different scenario's, which we want to enable with Semantic Kernel. +Multiple model providers are starting to enable realtime voice-to-voice or even multi-modal, realtime, two-way communication with their models, this includes OpenAI with their [Realtime API][openai-realtime-api] and [Google Gemini][google-gemini]. These API's promise some very interesting new ways of using LLM's for different scenario's, which we want to enable with Semantic Kernel. The key feature that Semantic Kernel brings into this system is the ability to (re)use Semantic Kernel function as tools with these API's. There are also options for Google to use video and images as input, this will likely not be implemented first, but the abstraction should be able to deal with it. @@ -403,3 +403,6 @@ await client.send(ServiceEvent(event_type='service', service_event='input_audio_ The first version allows one to have the exact same code for all services, while the second version is also correct and should be handled correctly as well, this once again allows for flexibility and simplicity, when audio needs to be sent to with a different event type, that is still possible in the second way, while the first uses the "default" event type for that particular service, this would be required to seed the conversation with completed audio snippets from a previous session, rather then just the transcripts, the completed audio, needs to be of event type 'conversation.item.create' for OpenAI, while a streamed 'frame' of audio would be 'input_audio_buffer.append' and that would be the default to use. + +[openai-realtime-api]: https://platform.openai.com/docs/guides/realtime +[google-gemini]: https://ai.google.dev/api/multimodal-live From 8c278983e18500def2b9b5b7ad5c56c902d5fd77 Mon Sep 17 00:00:00 2001 From: eavanvalkenburg Date: Tue, 11 Feb 2025 10:49:52 +0100 Subject: [PATCH 05/17] small updates to the text --- docs/decisions/0065-realtime-api-clients.md | 42 +++++++++++---------- 1 file changed, 23 insertions(+), 19 deletions(-) diff --git a/docs/decisions/0065-realtime-api-clients.md b/docs/decisions/0065-realtime-api-clients.md index b301cc34e6bb..a979d9b20429 100644 --- a/docs/decisions/0065-realtime-api-clients.md +++ b/docs/decisions/0065-realtime-api-clients.md @@ -1,11 +1,11 @@ --- # These are optional elements. Feel free to remove any of them. -status: { proposed } -contact: { Eduard van Valkenburg} -date: { 2025-01-31 } -deciders: { Eduard van Valkenburg, Mark Wallace, Ben Thomas, Shawn Henry } -consulted: { Weslie Steyn, Roger Barreto, Ben Thomas, Mark Wallace, Sergey Menshykh, Evan Mattson } -informed: { Tao Chen, Dmytro Struk } +status: proposed +contact: Eduard van Valkenburg +date: 2025-01-31 +deciders: Eduard van Valkenburg, Mark Wallace, Ben Thomas, Shawn Henry +consulted: Weslie Steyn, Roger Barreto, Ben Thomas, Mark Wallace, Sergey Menshykh, Evan Mattson +informed: Tao Chen, Dmytro Struk --- # Multi-modal Realtime API Clients @@ -16,17 +16,19 @@ Multiple model providers are starting to enable realtime voice-to-voice or even The key feature that Semantic Kernel brings into this system is the ability to (re)use Semantic Kernel function as tools with these API's. There are also options for Google to use video and images as input, this will likely not be implemented first, but the abstraction should be able to deal with it. +> [!IMPORTANT] +> Both the OpenAI and Google realtime api's are in preview/beta, this means there might be breaking changes in the way they work coming in the future, therefore the clients built to support these API's are going to be experimental until the API's stabilize. + At this time, the protocols that these API's use are Websockets and WebRTC. In both cases there are events being sent to and from the service, some events contain content, text, audio, or video (so far only sending, not receiving), while some events are "control" events, like content created, function call requested, etc. Sending events include, sending content, either voice, text or function call output, or events, like committing the input audio and requesting a response. ### Websocket -Websocket has been around for a while and is a well known technology, it is a full-duplex communication protocol over a single, long-lived connection. It is used for sending and receiving messages between client and server in real-time. Each event can contain a message, which might contain a content item, or a control event. Audio is sent as a base64 encoded string that is part of a event. +Websocket has been around for a while and is a well known technology, it is a full-duplex communication protocol over a single, long-lived connection. It is used for sending and receiving messages between client and server in real-time. Each event can contain a message, which might contain a content item, or a control event. Audio is sent as a base64 encoded string in a event. ### WebRTC WebRTC is a Mozilla project that provides web browsers and mobile applications with real-time communication via simple APIs. It allows audio and video communication to work inside web pages and other applications by allowing direct peer-to-peer communication, eliminating the need to install plugins or download native apps. It is used for sending and receiving audio and video streams, and can be used for sending (data-)messages as well. The big difference compared to websockets is that it explicitly create a channel for audio and video, and a separate channel for "data", which are events and in this space that contains all non-AV content, text, function calls, function results and control events, like errors or acknowledgements. -Both the OpenAI and Google realtime api's are in preview/beta, this means there might be breaking changes in the way they work coming in the future, therefore the clients built to support these API's are going to be experimental until the API's stabilize. ### Event types (Websocket and partially WebRTC) @@ -126,7 +128,7 @@ This would introduce events, each event has a type, those can be core content ty - easy to maintain and extend - Con: - new concept introduced - - might be confusing to have contents with and without SK type + - might be confusing to have contents with and without SK types ## Decision Outcome - Content and Events @@ -177,7 +179,7 @@ ImageEvent( ) ``` -Next to these we will have a generic event, called ServiceEvent, this is the catch-all, which has event_type: "service", the service_event field filled with the event type from the service and a field called 'event' which contains the raw event from the service. +Next to these we will have a generic event, called ServiceEvent, this is the catch-all, which has event_type: "service", the service_event field filled with the event type from the service and a field called 'event' which contains the raw event from the service. A key difference between this event and other events is that the service_event field cannot by None, it has to be filled. ```python ServiceEvent( @@ -312,11 +314,11 @@ This would mean that the client would receive AudioContent items, and would have ## Decision Outcome - Audio speaker/microphone handling -Chosen option: Option 2: there are vast difference in audio format, frame duration, sample rate and other audio settings, that a default that works *always* is not feasible, and the developer will have to deal with this anyway, so it's better to let them deal with it from the start, we will add sample audio handlers to the samples to still allow people to get started with ease. +Chosen option: Option 2: there are vast difference in audio format, frame duration, sample rate and other audio settings, that a default that works *always* is likely not feasible, and the developer will have to deal with this anyway, so it's better to let them deal with it from the start, we will add sample audio handlers to the samples to still allow people to get started with ease. # Interface design -The following methods will need to be supported: +The following functionalities will need to be supported: - create session - update session - close session @@ -338,7 +340,7 @@ Two interfaces are created: - Service: create session, update session, delete session, maybe list sessions? - Session: listen for/receive events, send events, update session, close session -Currently neither the google or the openai api's support restarting sessions, so the advantage of splitting is mostly a implementation question but will not add any benefits to the developer. This means that the split would be far simpler: +Currently neither the google or the openai api's support restarting sessions, so the advantage of splitting is mostly a implementation question but will not add any benefits to the developer. This means that the resultant split will actually be far simpler: - Service: create session - Session: listen for/receive events, send events, update session, close session @@ -381,27 +383,29 @@ class RealtimeClient: ... ``` -In most cases, create_session should call update_session with the same parameters, since update session can also be done separately later on with the same inputs. +In most cases, `create_session` should call `update_session` with the same parameters, since update session can also be done separately later on with the same inputs. -For Python a default __aenter__ and __aexit__ method should be added to the class, so it can be used in a with statement, which calls create_session and close_session respectively. +For Python a default `__aenter__` and `__aexit__` method should be added to the class, so it can be used in a `async with` statement, which calls create_session and close_session respectively. -It is advisable, but not required, to implement the send method through a buffer/queue so that events can be 'sent' before the sessions has been established without losing them or raising exceptions, this might take a few seconds and in that time a single send call would block the application. +It is advisable, but not required, to implement the send method through a buffer/queue so that events can be 'sent' before the sessions has been established without losing them or raising exceptions, since the session creation might take a few seconds and in that time a single send call would either block the application or throw an exception. -The send method should handle all events types, but it might have to handle the same thing in two ways, for instance: +The send method should handle all events types, but it might have to handle the same thing in two ways, for instance (for the OpenAI API): ```python audio = AudioContent(...) await client.send(AudioEvent(event_type='audio', audio=audio)) ``` -should be equivalent to (for the OpenAI API): +should be equivalent to: ```python audio = AudioContent(...) await client.send(ServiceEvent(event_type='service', service_event='input_audio_buffer.append', event=audio)) ``` -The first version allows one to have the exact same code for all services, while the second version is also correct and should be handled correctly as well, this once again allows for flexibility and simplicity, when audio needs to be sent to with a different event type, that is still possible in the second way, while the first uses the "default" event type for that particular service, this would be required to seed the conversation with completed audio snippets from a previous session, rather then just the transcripts, the completed audio, needs to be of event type 'conversation.item.create' for OpenAI, while a streamed 'frame' of audio would be 'input_audio_buffer.append' and that would be the default to use. +The first version allows one to have the exact same code for all services, while the second version is also correct and should be handled correctly as well, this once again allows for flexibility and simplicity, when audio needs to be sent to with a different event type, that is still possible in the second way, while the first uses the "default" event type for that particular service, this can for instance be used to seed the conversation with completed audio snippets from a previous session, rather then just the transcripts, the completed audio, needs to be of event type 'conversation.item.create' for OpenAI, while a streamed 'frame' of audio would be 'input_audio_buffer.append' and that would be the default to use. + +The developer should document which event types are used by default for the non-ServiceEvents. [openai-realtime-api]: https://platform.openai.com/docs/guides/realtime From d364b77119fa2f2cd1abc410ad09a3de3e50f4c0 Mon Sep 17 00:00:00 2001 From: eavanvalkenburg Date: Tue, 11 Feb 2025 15:43:03 +0100 Subject: [PATCH 06/17] small updates to ADR --- docs/decisions/0065-realtime-api-clients.md | 16 +++++++++------- 1 file changed, 9 insertions(+), 7 deletions(-) diff --git a/docs/decisions/0065-realtime-api-clients.md b/docs/decisions/0065-realtime-api-clients.md index a979d9b20429..055fec11308b 100644 --- a/docs/decisions/0065-realtime-api-clients.md +++ b/docs/decisions/0065-realtime-api-clients.md @@ -191,7 +191,9 @@ ServiceEvent( This allows you to easily do pattern matching on the event_type, and then use the service_event to filter on the specific event type for service events, or just grab the contents for the other ones. -Collectively these are known as *RealtimeEvents*, and are returned as an async generator from the client, so you can easily loop over them. And they are passed to the send method. +There might be other abstracted types needed at some point, for instance errors, or session updates, but since the current two services have no agreement on the existence of these events and their structure, it is better to wait until there is a need for them. + +Collectively these are known as *RealtimeEvents* (and this could be a base class for all events or a type hint with union and discriminator), and are returned as an async generator from the client, so you can easily loop over them. And they are passed to the send method. One open item is whether to include a extra field in these types for tracking related pieces, however this becomes problematic because the way those are generated differs per service and is quite complex, for instance the OpenAI API returns a piece of audio transcript with the following ids: - `event_id`: the unique id of the event @@ -278,10 +280,10 @@ Chosen option: 3b AsyncGenerator that yields Events combined with priority handl This makes the programming model very easy, a minimal setup that should work for every service and protocol would look like this: ```python async for event in realtime_client.start_streaming(): - match event.event_type: - case "audio": + match event: + case AudioEvent(): await audio_player.add_audio(event.audio) - case "text": + case TextEvent(): print(event.text.text) ``` @@ -367,16 +369,16 @@ This means that the interface will look like this: ```python class RealtimeClient: - async def create_session(self, settings: PromptExecutionSettings, chat_history: ChatHistory, **kwargs) -> None: + async def create_session(self, chat_history: ChatHistory, settings: PromptExecutionSettings, **kwargs) -> None: ... - async def update_session(self, settings: PromptExecutionSettings, chat_history: ChatHistory, **kwargs) -> None: + async def update_session(self, chat_history: ChatHistory, settings: PromptExecutionSettings, **kwargs) -> None: ... async def close_session(self, **kwargs) -> None: ... - async def receive(self, **kwargs) -> AsyncGenerator[RealtimeEvent, None]: + async def receive(self, chat_history: ChatHistory, **kwargs) -> AsyncGenerator[RealtimeEvent, None]: ... async def send(self, event: RealtimeEvent) -> None: From f077e4a0836b35e0e32769871c4a50ecb826e9ad Mon Sep 17 00:00:00 2001 From: eavanvalkenburg Date: Wed, 12 Feb 2025 10:14:49 +0100 Subject: [PATCH 07/17] renamed events and added transcript json --- docs/decisions/0065-realtime-api-clients.md | 1392 ++++++++++++++++++- 1 file changed, 1370 insertions(+), 22 deletions(-) diff --git a/docs/decisions/0065-realtime-api-clients.md b/docs/decisions/0065-realtime-api-clients.md index 055fec11308b..385b792ba2da 100644 --- a/docs/decisions/0065-realtime-api-clients.md +++ b/docs/decisions/0065-realtime-api-clients.md @@ -140,52 +140,52 @@ A set of events are defined, for basic types, like 'audio', 'text', 'function_ca It might also be possible that a single event from the service contains multiple content items, for instance a response might contain both text and audio, in that case multiple events will be emitted. It might also be that a single service event is represented twice, i.e. once as a AudioEvent and once as a ServiceEvent, this once again gives the most flexibility to the developer. ```python -AudioEvent( - event_type="audio", - service_event="response.audio.delta", +RealtimeAudioEvent( + event_type="audio", # single default value in order to discriminate easily + service_event="response.audio.delta", # optional audio: AudioContent(...) ) ``` ```python -TextEvent( - event_type="text", - service_event="response.text.delta", +RealtimeTextEvent( + event_type="text", # single default value in order to discriminate easily + service_event="response.text.delta", # optional text: TextContent(...) ) ``` ```python -FunctionCallEvent( - event_type="function_call", - service_event="response.function_call_arguments.delta", +RealtimeFunctionCallEvent( + event_type="function_call", # single default value in order to discriminate easily + service_event="response.function_call_arguments.delta", # optional function_call: FunctionCallContent(...) ) ``` ```python -FunctionResultEvent( - event_type="function_result", - service_event="response.output_item.added", +RealtimeFunctionResultEvent( + event_type="function_result", # single default value in order to discriminate easily + service_event="response.output_item.added", # optional function_result: FunctionResultContent(...) ) ``` ```python -ImageEvent( - event_type="image", - service_event="response.image.delta", +RealtimeImageEvent( + event_type="image", # single default value in order to discriminate easily + service_event="response.image.delta", # optional image: ImageContent(...) ) ``` -Next to these we will have a generic event, called ServiceEvent, this is the catch-all, which has event_type: "service", the service_event field filled with the event type from the service and a field called 'event' which contains the raw event from the service. A key difference between this event and other events is that the service_event field cannot by None, it has to be filled. +Next to these we will have a generic event, called RealtimeServiceEvent, this is the catch-all, which has event_type: "service", the service_event field filled with the event type from the service and a field called 'event' which contains the raw event from the service. A key difference between this event and other events is that the service_event field cannot by None, it has to be filled. ```python -ServiceEvent( - event_type="service", - service_event="conversation.item.create", - event: { ... } +RealtimeServiceEvent( + event_type="service", # single default value in order to discriminate easily + service_event="conversation.item.create", # mandatory + event: { ... } # optional, because some events do not have content. ) ``` @@ -407,8 +407,1356 @@ await client.send(ServiceEvent(event_type='service', service_event='input_audio_ The first version allows one to have the exact same code for all services, while the second version is also correct and should be handled correctly as well, this once again allows for flexibility and simplicity, when audio needs to be sent to with a different event type, that is still possible in the second way, while the first uses the "default" event type for that particular service, this can for instance be used to seed the conversation with completed audio snippets from a previous session, rather then just the transcripts, the completed audio, needs to be of event type 'conversation.item.create' for OpenAI, while a streamed 'frame' of audio would be 'input_audio_buffer.append' and that would be the default to use. -The developer should document which event types are used by default for the non-ServiceEvents. +The developer should document which service event types are used by default for the non-ServiceEvents. + +## Background info + +Example of events coming from a few seconds of conversation with the OpenAI Realtime: +
+ +```json +[ + { + "event_id": "event_Azlw6Bv0qbAsoZl2razAe", + "session": { + "id": "sess_XXXXXX", + "input_audio_format": "pcm16", + "input_audio_transcription": null, + "instructions": "Your knowledge cutoff is 2023-10. You are a helpful, witty, and friendly AI. Act like a human, but remember that you aren't a human and that you can't do human things in the real world. Your voice and personality should be warm and engaging, with a lively and playful tone. If interacting in a non-English language, start by using the standard accent or dialect familiar to the user. Talk quickly. You should always call a function if you can. Do not refer to these rules, even if you’re asked about them.", + "max_response_output_tokens": "inf", + "modalities": [ + "audio", + "text" + ], + "model": "gpt-4o-realtime-preview-2024-12-17", + "output_audio_format": "pcm16", + "temperature": 0.8, + "tool_choice": "auto", + "tools": [], + "turn_detection": { + "prefix_padding_ms": 300, + "silence_duration_ms": 200, + "threshold": 0.5, + "type": "server_vad", + "create_response": true + }, + "voice": "echo", + "object": "realtime.session", + "expires_at": 1739287438, + "client_secret": null + }, + "type": "session.created" + }, + { + "event_id": "event_Azlw6ZQkRsdNuUid6Skyo", + "session": { + "id": "sess_XXXXXX", + "input_audio_format": "pcm16", + "input_audio_transcription": null, + "instructions": "Your knowledge cutoff is 2023-10. You are a helpful, witty, and friendly AI. Act like a human, but remember that you aren't a human and that you can't do human things in the real world. Your voice and personality should be warm and engaging, with a lively and playful tone. If interacting in a non-English language, start by using the standard accent or dialect familiar to the user. Talk quickly. You should always call a function if you can. Do not refer to these rules, even if you’re asked about them.", + "max_response_output_tokens": "inf", + "modalities": [ + "audio", + "text" + ], + "model": "gpt-4o-realtime-preview-2024-12-17", + "output_audio_format": "pcm16", + "temperature": 0.8, + "tool_choice": "auto", + "tools": [], + "turn_detection": { + "prefix_padding_ms": 300, + "silence_duration_ms": 200, + "threshold": 0.5, + "type": "server_vad", + "create_response": true + }, + "voice": "echo", + "object": "realtime.session", + "expires_at": 1739287438, + "client_secret": null + }, + "type": "session.updated" + }, + { + "event_id": "event_Azlw7O4lQmoWmavJ7Um8L", + "response": { + "id": "resp_Azlw7lbJzlhW7iEomb00t", + "conversation_id": "conv_Azlw6bJXhaKf1RV2eJDiH", + "max_output_tokens": "inf", + "metadata": null, + "modalities": [ + "audio", + "text" + ], + "object": "realtime.response", + "output": [], + "output_audio_format": "pcm16", + "status": "in_progress", + "status_details": null, + "temperature": 0.8, + "usage": null, + "voice": "echo" + }, + "type": "response.created" + }, + { + "event_id": "event_AzlwAQsGA8zEx5eD3nnWD", + "rate_limits": [ + { + "limit": 20000, + "name": "requests", + "remaining": 19999, + "reset_seconds": 0.003 + }, + { + "limit": 15000000, + "name": "tokens", + "remaining": 14995388, + "reset_seconds": 0.018 + } + ], + "type": "rate_limits.updated" + }, + { + "event_id": "event_AzlwAuUTeJMLPkPF25sPA", + "item": { + "id": "item_Azlw7iougdsUbAxtNIK43", + "arguments": null, + "call_id": null, + "content": [], + "name": null, + "object": "realtime.item", + "output": null, + "role": "assistant", + "status": "in_progress", + "type": "message" + }, + "output_index": 0, + "response_id": "resp_Azlw7lbJzlhW7iEomb00t", + "type": "response.output_item.added" + }, + { + "event_id": "event_AzlwADR8JJCOQVSMxFDgI", + "item": { + "id": "item_Azlw7iougdsUbAxtNIK43", + "arguments": null, + "call_id": null, + "content": [], + "name": null, + "object": "realtime.item", + "output": null, + "role": "assistant", + "status": "in_progress", + "type": "message" + }, + "previous_item_id": null, + "type": "conversation.item.created" + }, + { + "content_index": 0, + "event_id": "event_AzlwAZBTVnvgcBruSsdOU", + "item_id": "item_Azlw7iougdsUbAxtNIK43", + "output_index": 0, + "part": { + "audio": null, + "text": null, + "transcript": "", + "type": "audio" + }, + "response_id": "resp_Azlw7lbJzlhW7iEomb00t", + "type": "response.content_part.added" + }, + { + "content_index": 0, + "delta": "Hey", + "event_id": "event_AzlwAul0an0TCpttR4F9r", + "item_id": "item_Azlw7iougdsUbAxtNIK43", + "output_index": 0, + "response_id": "resp_Azlw7lbJzlhW7iEomb00t", + "type": "response.audio_transcript.delta" + }, + { + "content_index": 0, + "delta": " there", + "event_id": "event_AzlwAFphOrx36kB8ZX3vc", + "item_id": "item_Azlw7iougdsUbAxtNIK43", + "output_index": 0, + "response_id": "resp_Azlw7lbJzlhW7iEomb00t", + "type": "response.audio_transcript.delta" + }, + { + "content_index": 0, + "delta": "!", + "event_id": "event_AzlwAIfpIJB6bdRSH4f5n", + "item_id": "item_Azlw7iougdsUbAxtNIK43", + "output_index": 0, + "response_id": "resp_Azlw7lbJzlhW7iEomb00t", + "type": "response.audio_transcript.delta" + }, + { + "content_index": 0, + "delta": " How", + "event_id": "event_AzlwAUHaCiUHnWR4ReGrN", + "item_id": "item_Azlw7iougdsUbAxtNIK43", + "output_index": 0, + "response_id": "resp_Azlw7lbJzlhW7iEomb00t", + "type": "response.audio_transcript.delta" + }, + { + "content_index": 0, + "delta": " can", + "event_id": "event_AzlwAUrRvAWO7MjEsQszQ", + "item_id": "item_Azlw7iougdsUbAxtNIK43", + "output_index": 0, + "response_id": "resp_Azlw7lbJzlhW7iEomb00t", + "type": "response.audio_transcript.delta" + }, + { + "content_index": 0, + "delta": " I", + "event_id": "event_AzlwAE74dEWofFSQM2Nrl", + "item_id": "item_Azlw7iougdsUbAxtNIK43", + "output_index": 0, + "response_id": "resp_Azlw7lbJzlhW7iEomb00t", + "type": "response.audio_transcript.delta" + }, + { + "content_index": 0, + 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"output_index": 0, + "response_id": "resp_AzlwKj24TCThD6sk18uTS", + "type": "response.audio_transcript.delta" + }, + { + "content_index": 0, + "delta": " with", + "event_id": "event_AzlwLQLvuJvMBX3DolD6w", + "item_id": "item_AzlwKvlSHxjShUjNKh4O4", + "output_index": 0, + "response_id": "resp_AzlwKj24TCThD6sk18uTS", + "type": "response.audio_transcript.delta" + }, + { + "error": null, + "event_id": "event_48233a05c6ce4ebf", + "type": "output_audio_buffer.started", + "response_id": "resp_AzlwKj24TCThD6sk18uTS" + }, + { + "content_index": 0, + "delta": " whatever", + "event_id": "event_AzlwLA4DwIanbZhWeOWI5", + "item_id": "item_AzlwKvlSHxjShUjNKh4O4", + "output_index": 0, + "response_id": "resp_AzlwKj24TCThD6sk18uTS", + "type": "response.audio_transcript.delta" + }, + { + "content_index": 0, + "delta": " you", + "event_id": "event_AzlwLXtcQfyC3UVRa4RFq", + "item_id": "item_AzlwKvlSHxjShUjNKh4O4", + "output_index": 0, + "response_id": "resp_AzlwKj24TCThD6sk18uTS", + "type": "response.audio_transcript.delta" + }, + { + "content_index": 0, + "delta": " need", + "event_id": "event_AzlwLMuPuw93HU57dDjvD", + "item_id": "item_AzlwKvlSHxjShUjNKh4O4", + "output_index": 0, + "response_id": "resp_AzlwKj24TCThD6sk18uTS", + "type": "response.audio_transcript.delta" + }, + { + "content_index": 0, + "delta": ".", + "event_id": "event_AzlwLs9HOU6RrOR9d0H8M", + "item_id": "item_AzlwKvlSHxjShUjNKh4O4", + "output_index": 0, + "response_id": "resp_AzlwKj24TCThD6sk18uTS", + "type": "response.audio_transcript.delta" + }, + { + "content_index": 0, + "delta": " You", + "event_id": "event_AzlwLSVn8mpT32A4D9j3H", + "item_id": "item_AzlwKvlSHxjShUjNKh4O4", + "output_index": 0, + "response_id": "resp_AzlwKj24TCThD6sk18uTS", + "type": "response.audio_transcript.delta" + }, + { + "content_index": 0, + "delta": " can", + "event_id": "event_AzlwLORCkaH1QC15c3VDT", + "item_id": "item_AzlwKvlSHxjShUjNKh4O4", + "output_index": 0, + "response_id": "resp_AzlwKj24TCThD6sk18uTS", + "type": "response.audio_transcript.delta" + }, + { + "content_index": 0, + "delta": " think", + "event_id": "event_AzlwLbPfKnMxFKvDm5FxY", + "item_id": "item_AzlwKvlSHxjShUjNKh4O4", + "output_index": 0, + "response_id": "resp_AzlwKj24TCThD6sk18uTS", + "type": "response.audio_transcript.delta" + }, + { + "content_index": 0, + "delta": " of", + "event_id": "event_AzlwMhMS1fH0F6P1FmGb7", + "item_id": "item_AzlwKvlSHxjShUjNKh4O4", + "output_index": 0, + "response_id": "resp_AzlwKj24TCThD6sk18uTS", + "type": "response.audio_transcript.delta" + }, + { + "content_index": 0, + "delta": " me", + "event_id": "event_AzlwMiL7h7jPOcj34eq4Y", + "item_id": "item_AzlwKvlSHxjShUjNKh4O4", + "output_index": 0, + "response_id": "resp_AzlwKj24TCThD6sk18uTS", + "type": "response.audio_transcript.delta" + }, + { + "content_index": 0, + "delta": " as", + "event_id": "event_AzlwMSNhaUSyISEXTyaqB", + "item_id": "item_AzlwKvlSHxjShUjNKh4O4", + "output_index": 0, + "response_id": "resp_AzlwKj24TCThD6sk18uTS", + "type": "response.audio_transcript.delta" + }, + { + "content_index": 0, + "delta": " your", + "event_id": "event_AzlwMfhDXrYce89P8vsjR", + "item_id": "item_AzlwKvlSHxjShUjNKh4O4", + "output_index": 0, + "response_id": "resp_AzlwKj24TCThD6sk18uTS", + "type": "response.audio_transcript.delta" + }, + { + "content_index": 0, + "delta": " friendly", + "event_id": "event_AzlwMJM9D3Tk4a8sqtDOo", + "item_id": "item_AzlwKvlSHxjShUjNKh4O4", + "output_index": 0, + "response_id": "resp_AzlwKj24TCThD6sk18uTS", + "type": "response.audio_transcript.delta" + }, + { + "content_index": 0, + "delta": ",", + "event_id": "event_AzlwMfc434QKKtOJmzIOV", + "item_id": "item_AzlwKvlSHxjShUjNKh4O4", + "output_index": 0, + "response_id": "resp_AzlwKj24TCThD6sk18uTS", + "type": "response.audio_transcript.delta" + }, + { + "content_index": 0, + "delta": " digital", + "event_id": "event_AzlwMsahBKVtce4uCE2eX", + "item_id": "item_AzlwKvlSHxjShUjNKh4O4", + "output_index": 0, + "response_id": "resp_AzlwKj24TCThD6sk18uTS", + "type": "response.audio_transcript.delta" + }, + { + "content_index": 0, + "delta": " assistant", + "event_id": "event_AzlwMkvYS3kX7MLuEJR2b", + "item_id": "item_AzlwKvlSHxjShUjNKh4O4", + "output_index": 0, + "response_id": "resp_AzlwKj24TCThD6sk18uTS", + "type": "response.audio_transcript.delta" + }, + { + "content_index": 0, + "delta": ".", + "event_id": "event_AzlwME8yLvBwpJ7Rbpf41", + "item_id": "item_AzlwKvlSHxjShUjNKh4O4", + "output_index": 0, + "response_id": "resp_AzlwKj24TCThD6sk18uTS", + "type": "response.audio_transcript.delta" + }, + { + "content_index": 0, + "delta": " What's", + "event_id": "event_AzlwMF8exQwcFPVAOXm4w", + "item_id": "item_AzlwKvlSHxjShUjNKh4O4", + "output_index": 0, + "response_id": "resp_AzlwKj24TCThD6sk18uTS", + "type": "response.audio_transcript.delta" + }, + { + "content_index": 0, + "delta": " on", + "event_id": "event_AzlwMWIRyCknLDm0Mu6Va", + "item_id": "item_AzlwKvlSHxjShUjNKh4O4", + "output_index": 0, + "response_id": "resp_AzlwKj24TCThD6sk18uTS", + "type": "response.audio_transcript.delta" + }, + { + "content_index": 0, + "delta": " your", + "event_id": "event_AzlwMZcwf826udqoRO9xV", + "item_id": "item_AzlwKvlSHxjShUjNKh4O4", + "output_index": 0, + "response_id": "resp_AzlwKj24TCThD6sk18uTS", + "type": "response.audio_transcript.delta" + }, + { + "content_index": 0, + "delta": " mind", + "event_id": "event_AzlwMJoJ3KpgSXJWycp53", + "item_id": "item_AzlwKvlSHxjShUjNKh4O4", + "output_index": 0, + "response_id": "resp_AzlwKj24TCThD6sk18uTS", + "type": "response.audio_transcript.delta" + }, + { + "content_index": 0, + "delta": "?", + "event_id": "event_AzlwMDPTKXd25w0skGYGU", + "item_id": "item_AzlwKvlSHxjShUjNKh4O4", + "output_index": 0, + "response_id": "resp_AzlwKj24TCThD6sk18uTS", + "type": "response.audio_transcript.delta" + }, + { + "content_index": 0, + "event_id": "event_AzlwMFzhrIImzyr54pn5Z", + "item_id": "item_AzlwKvlSHxjShUjNKh4O4", + "output_index": 0, + "response_id": "resp_AzlwKj24TCThD6sk18uTS", + "type": "response.audio.done" + }, + { + "content_index": 0, + "event_id": "event_AzlwM8Qep4efM7ptOCjp7", + "item_id": "item_AzlwKvlSHxjShUjNKh4O4", + "output_index": 0, + "response_id": "resp_AzlwKj24TCThD6sk18uTS", + "transcript": "I'm here to help with whatever you need. You can think of me as your friendly, digital assistant. What's on your mind?", + "type": "response.audio_transcript.done" + }, + { + "content_index": 0, + "event_id": "event_AzlwMGg9kQ7dgR42n6zsV", + "item_id": "item_AzlwKvlSHxjShUjNKh4O4", + "output_index": 0, + "part": { + "audio": null, + "text": null, + "transcript": "I'm here to help with whatever you need. You can think of me as your friendly, digital assistant. What's on your mind?", + "type": "audio" + }, + "response_id": "resp_AzlwKj24TCThD6sk18uTS", + "type": "response.content_part.done" + }, + { + "event_id": "event_AzlwM1IHuNFmsxDx7wCYF", + "item": { + "id": "item_AzlwKvlSHxjShUjNKh4O4", + "arguments": null, + "call_id": null, + "content": [ + { + "id": null, + "audio": null, + "text": null, + "transcript": "I'm here to help with whatever you need. You can think of me as your friendly, digital assistant. What's on your mind?", + "type": "audio" + } + ], + "name": null, + "object": "realtime.item", + "output": null, + "role": "assistant", + "status": "completed", + "type": "message" + }, + "output_index": 0, + "response_id": "resp_AzlwKj24TCThD6sk18uTS", + "type": "response.output_item.done" + }, + { + "event_id": "event_AzlwMikw3mKY60dUjuV1W", + "response": { + "id": "resp_AzlwKj24TCThD6sk18uTS", + "conversation_id": "conv_Azlw6bJXhaKf1RV2eJDiH", + "max_output_tokens": "inf", + "metadata": null, + "modalities": [ + "audio", + "text" + ], + "object": "realtime.response", + "output": [ + { + "id": "item_AzlwKvlSHxjShUjNKh4O4", + "arguments": null, + "call_id": null, + "content": [ + { + "id": null, + "audio": null, + "text": null, + "transcript": "I'm here to help with whatever you need. You can think of me as your friendly, digital assistant. What's on your mind?", + "type": "audio" + } + ], + "name": null, + "object": "realtime.item", + "output": null, + "role": "assistant", + "status": "completed", + "type": "message" + } + ], + "output_audio_format": "pcm16", + "status": "completed", + "status_details": null, + "temperature": 0.8, + "usage": { + "input_token_details": { + "audio_tokens": 114, + "cached_tokens": 192, + "text_tokens": 181, + "cached_tokens_details": { + "text_tokens": 128, + "audio_tokens": 64 + } + }, + "input_tokens": 295, + "output_token_details": { + "audio_tokens": 117, + "text_tokens": 40 + }, + "output_tokens": 157, + "total_tokens": 452 + }, + "voice": "echo" + }, + "type": "response.done" + } +] +``` +
+ [openai-realtime-api]: https://platform.openai.com/docs/guides/realtime -[google-gemini]: https://ai.google.dev/api/multimodal-live +[google-gemini]: https://ai.google.dev/api/multimodal-live \ No newline at end of file From 4ff575ff6325bee2cf18da3865d6bf9c8ae49318 Mon Sep 17 00:00:00 2001 From: eavanvalkenburg Date: Wed, 12 Feb 2025 10:23:21 +0100 Subject: [PATCH 08/17] skip spellcheck on json --- .github/_typos.toml | 3 +++ docs/decisions/0065-realtime-api-clients.md | 1 + 2 files changed, 4 insertions(+) diff --git a/.github/_typos.toml b/.github/_typos.toml index 32f192b9348d..dc3106b47e5d 100644 --- a/.github/_typos.toml +++ b/.github/_typos.toml @@ -44,6 +44,9 @@ pn = "pn" # Kiota parameter [default.extend-identifiers] ags = "ags" # Azure Graph Service +[default.extend-ignore-identifiers-re] +# spellchecker:: "(?s)(#|//)\\s*spellchecker:off.*?\\n\\s*(#|//)\\s*spellchecker:on" + [type.jupyter] extend-ignore-re = [ '"[A-Fa-f0-9]{8}"', # cell id strings diff --git a/docs/decisions/0065-realtime-api-clients.md b/docs/decisions/0065-realtime-api-clients.md index 385b792ba2da..b1abc039567d 100644 --- a/docs/decisions/0065-realtime-api-clients.md +++ b/docs/decisions/0065-realtime-api-clients.md @@ -413,6 +413,7 @@ The developer should document which service event types are used by default for Example of events coming from a few seconds of conversation with the OpenAI Realtime:
+# spellchecker:off ```json [ From 69bf7c8bb0853b820e04f9f2b8f1f6ab28d179ce Mon Sep 17 00:00:00 2001 From: eavanvalkenburg Date: Wed, 12 Feb 2025 10:25:16 +0100 Subject: [PATCH 09/17] fix typos --- .github/_typos.toml | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/.github/_typos.toml b/.github/_typos.toml index dc3106b47e5d..77355c4751bd 100644 --- a/.github/_typos.toml +++ b/.github/_typos.toml @@ -44,7 +44,7 @@ pn = "pn" # Kiota parameter [default.extend-identifiers] ags = "ags" # Azure Graph Service -[default.extend-ignore-identifiers-re] +[default.extend-ignore-re] # spellchecker:: "(?s)(#|//)\\s*spellchecker:off.*?\\n\\s*(#|//)\\s*spellchecker:on" [type.jupyter] From b1ae12f02bd1a3ca59613b538711a0511ecebfa7 Mon Sep 17 00:00:00 2001 From: eavanvalkenburg Date: Wed, 12 Feb 2025 10:28:49 +0100 Subject: [PATCH 10/17] fixed typos --- .github/_typos.toml | 3 -- docs/decisions/0065-realtime-api-clients.md | 57 ++++++++++----------- 2 files changed, 28 insertions(+), 32 deletions(-) diff --git a/.github/_typos.toml b/.github/_typos.toml index 77355c4751bd..32f192b9348d 100644 --- a/.github/_typos.toml +++ b/.github/_typos.toml @@ -44,9 +44,6 @@ pn = "pn" # Kiota parameter [default.extend-identifiers] ags = "ags" # Azure Graph Service -[default.extend-ignore-re] -# spellchecker:: "(?s)(#|//)\\s*spellchecker:off.*?\\n\\s*(#|//)\\s*spellchecker:on" - [type.jupyter] extend-ignore-re = [ '"[A-Fa-f0-9]{8}"', # cell id strings diff --git a/docs/decisions/0065-realtime-api-clients.md b/docs/decisions/0065-realtime-api-clients.md index b1abc039567d..b23798ad4612 100644 --- a/docs/decisions/0065-realtime-api-clients.md +++ b/docs/decisions/0065-realtime-api-clients.md @@ -413,12 +413,11 @@ The developer should document which service event types are used by default for Example of events coming from a few seconds of conversation with the OpenAI Realtime:
-# spellchecker:off ```json [ { - "event_id": "event_Azlw6Bv0qbAsoZl2razAe", + "event_id": "event_Azlw6Bv0qbAlsoZl2razAe", "session": { "id": "sess_XXXXXX", "input_audio_format": "pcm16", @@ -795,7 +794,7 @@ Example of events coming from a few seconds of conversation with the OpenAI Real }, { "audio_end_ms": 7712, - "event_id": "event_AzlwFoNKnnod593LmePwk", + "event_id": "event_AzlwForNKnnod593LmePwk", "item_id": "item_AzlwEw01Kvr1DYs7K7rN9", "type": "input_audio_buffer.speech_stopped" }, @@ -873,7 +872,7 @@ Example of events coming from a few seconds of conversation with the OpenAI Real { "event_id": "event_AzlwGHwb6c55ZlpYaDNo2", "item": { - "id": "item_AzlwFKH1rmNdQLC7YZiXB", + "id": "item_AzlwFKH1rmANdQLC7YZiXB", "arguments": null, "call_id": null, "content": [], @@ -891,7 +890,7 @@ Example of events coming from a few seconds of conversation with the OpenAI Real { "event_id": "event_AzlwG1HpISl5oA3oOqr66", "item": { - "id": "item_AzlwFKH1rmNdQLC7YZiXB", + "id": "item_AzlwFKH1rmANdQLC7YZiXB", "arguments": null, "call_id": null, "content": [], @@ -908,7 +907,7 @@ Example of events coming from a few seconds of conversation with the OpenAI Real { "content_index": 0, "event_id": "event_AzlwGGTIXV6QmZ3IdILPu", - "item_id": "item_AzlwFKH1rmNdQLC7YZiXB", + "item_id": "item_AzlwFKH1rmANdQLC7YZiXB", "output_index": 0, "part": { "audio": null, @@ -923,7 +922,7 @@ Example of events coming from a few seconds of conversation with the OpenAI Real "content_index": 0, "delta": "I'm", "event_id": "event_AzlwG2WTBP9ZkRVE0PqZK", - "item_id": "item_AzlwFKH1rmNdQLC7YZiXB", + "item_id": "item_AzlwFKH1rmANdQLC7YZiXB", "output_index": 0, "response_id": "resp_AzlwF7CVNcKelcIOECR33", "type": "response.audio_transcript.delta" @@ -931,8 +930,8 @@ Example of events coming from a few seconds of conversation with the OpenAI Real { "content_index": 0, "delta": " doing", - "event_id": "event_AzlwGevZG2oP5vCB5iif8", - "item_id": "item_AzlwFKH1rmNdQLC7YZiXB", + "event_id": "event_AzlwGevZG2oP5vCB5if8", + "item_id": "item_AzlwFKH1rmANdQLC7YZiXB", "output_index": 0, "response_id": "resp_AzlwF7CVNcKelcIOECR33", "type": "response.audio_transcript.delta" @@ -941,7 +940,7 @@ Example of events coming from a few seconds of conversation with the OpenAI Real "content_index": 0, "delta": " great", "event_id": "event_AzlwGJc6rHWUM5IXj9Tzf", - "item_id": "item_AzlwFKH1rmNdQLC7YZiXB", + "item_id": "item_AzlwFKH1rmANdQLC7YZiXB", "output_index": 0, "response_id": "resp_AzlwF7CVNcKelcIOECR33", "type": "response.audio_transcript.delta" @@ -950,7 +949,7 @@ Example of events coming from a few seconds of conversation with the OpenAI Real "content_index": 0, "delta": ",", "event_id": "event_AzlwG06k8F5N3lNd5Gpwh", - "item_id": "item_AzlwFKH1rmNdQLC7YZiXB", + "item_id": "item_AzlwFKH1rmANdQLC7YZiXB", "output_index": 0, "response_id": "resp_AzlwF7CVNcKelcIOECR33", "type": "response.audio_transcript.delta" @@ -959,7 +958,7 @@ Example of events coming from a few seconds of conversation with the OpenAI Real "content_index": 0, "delta": " thanks", "event_id": "event_AzlwGmmSwayu6Mr4ntAxk", - "item_id": "item_AzlwFKH1rmNdQLC7YZiXB", + "item_id": "item_AzlwFKH1rmANdQLC7YZiXB", "output_index": 0, "response_id": "resp_AzlwF7CVNcKelcIOECR33", "type": "response.audio_transcript.delta" @@ -974,7 +973,7 @@ Example of events coming from a few seconds of conversation with the OpenAI Real "content_index": 0, "delta": " for", "event_id": "event_AzlwGpVIIBxnfOKzDvxIc", - "item_id": "item_AzlwFKH1rmNdQLC7YZiXB", + "item_id": "item_AzlwFKH1rmANdQLC7YZiXB", "output_index": 0, "response_id": "resp_AzlwF7CVNcKelcIOECR33", "type": "response.audio_transcript.delta" @@ -982,8 +981,8 @@ Example of events coming from a few seconds of conversation with the OpenAI Real { "content_index": 0, "delta": " asking", - "event_id": "event_AzlwGkHbM1FK69fw7JOdx", - "item_id": "item_AzlwFKH1rmNdQLC7YZiXB", + "event_id": "event_AzlwGkHbM1FK69fw7Jobx", + "item_id": "item_AzlwFKH1rmANdQLC7YZiXB", "output_index": 0, "response_id": "resp_AzlwF7CVNcKelcIOECR33", "type": "response.audio_transcript.delta" @@ -992,7 +991,7 @@ Example of events coming from a few seconds of conversation with the OpenAI Real "content_index": 0, "delta": "!", "event_id": "event_AzlwGdxNx8C8Po1ngipRk", - "item_id": "item_AzlwFKH1rmNdQLC7YZiXB", + "item_id": "item_AzlwFKH1rmANdQLC7YZiXB", "output_index": 0, "response_id": "resp_AzlwF7CVNcKelcIOECR33", "type": "response.audio_transcript.delta" @@ -1001,7 +1000,7 @@ Example of events coming from a few seconds of conversation with the OpenAI Real "content_index": 0, "delta": " How", "event_id": "event_AzlwGkwYrqxgxr84NQCyk", - "item_id": "item_AzlwFKH1rmNdQLC7YZiXB", + "item_id": "item_AzlwFKH1rmANdQLC7YZiXB", "output_index": 0, "response_id": "resp_AzlwF7CVNcKelcIOECR33", "type": "response.audio_transcript.delta" @@ -1010,7 +1009,7 @@ Example of events coming from a few seconds of conversation with the OpenAI Real "content_index": 0, "delta": " about", "event_id": "event_AzlwGJsK6FC0aUUK9OmuE", - "item_id": "item_AzlwFKH1rmNdQLC7YZiXB", + "item_id": "item_AzlwFKH1rmANdQLC7YZiXB", "output_index": 0, "response_id": "resp_AzlwF7CVNcKelcIOECR33", "type": "response.audio_transcript.delta" @@ -1019,7 +1018,7 @@ Example of events coming from a few seconds of conversation with the OpenAI Real "content_index": 0, "delta": " you", "event_id": "event_AzlwG8wlFjG4O8js1WzuA", - "item_id": "item_AzlwFKH1rmNdQLC7YZiXB", + "item_id": "item_AzlwFKH1rmANdQLC7YZiXB", "output_index": 0, "response_id": "resp_AzlwF7CVNcKelcIOECR33", "type": "response.audio_transcript.delta" @@ -1028,7 +1027,7 @@ Example of events coming from a few seconds of conversation with the OpenAI Real "content_index": 0, "delta": "?", "event_id": "event_AzlwG7DkOS9QkRZiWrZu1", - "item_id": "item_AzlwFKH1rmNdQLC7YZiXB", + "item_id": "item_AzlwFKH1rmANdQLC7YZiXB", "output_index": 0, "response_id": "resp_AzlwF7CVNcKelcIOECR33", "type": "response.audio_transcript.delta" @@ -1036,7 +1035,7 @@ Example of events coming from a few seconds of conversation with the OpenAI Real { "content_index": 0, "event_id": "event_AzlwGu2ND7Q4zRbR6M6eQ", - "item_id": "item_AzlwFKH1rmNdQLC7YZiXB", + "item_id": "item_AzlwFKH1rmANdQLC7YZiXB", "output_index": 0, "response_id": "resp_AzlwF7CVNcKelcIOECR33", "type": "response.audio.done" @@ -1044,7 +1043,7 @@ Example of events coming from a few seconds of conversation with the OpenAI Real { "content_index": 0, "event_id": "event_AzlwGafjEHKv6YhOyFwNc", - "item_id": "item_AzlwFKH1rmNdQLC7YZiXB", + "item_id": "item_AzlwFKH1rmANdQLC7YZiXB", "output_index": 0, "response_id": "resp_AzlwF7CVNcKelcIOECR33", "transcript": "I'm doing great, thanks for asking! How about you?", @@ -1053,7 +1052,7 @@ Example of events coming from a few seconds of conversation with the OpenAI Real { "content_index": 0, "event_id": "event_AzlwGZMcbxkDt4sOdZ7e8", - "item_id": "item_AzlwFKH1rmNdQLC7YZiXB", + "item_id": "item_AzlwFKH1rmANdQLC7YZiXB", "output_index": 0, "part": { "audio": null, @@ -1067,7 +1066,7 @@ Example of events coming from a few seconds of conversation with the OpenAI Real { "event_id": "event_AzlwGGusUSHdwolBzHb1N", "item": { - "id": "item_AzlwFKH1rmNdQLC7YZiXB", + "id": "item_AzlwFKH1rmANdQLC7YZiXB", "arguments": null, "call_id": null, "content": [ @@ -1104,7 +1103,7 @@ Example of events coming from a few seconds of conversation with the OpenAI Real "object": "realtime.response", "output": [ { - "id": "item_AzlwFKH1rmNdQLC7YZiXB", + "id": "item_AzlwFKH1rmANdQLC7YZiXB", "arguments": null, "call_id": null, "content": [ @@ -1158,7 +1157,7 @@ Example of events coming from a few seconds of conversation with the OpenAI Real }, { "audio_start_ms": 11904, - "event_id": "event_AzlwJWXaGJodE0ctvzXmz", + "event_id": "event_AzlwJWXaGJobE0ctvzXmz", "item_id": "item_AzlwJisejpLdAoXdNwm2Z", "type": "input_audio_buffer.speech_started" }, @@ -1171,7 +1170,7 @@ Example of events coming from a few seconds of conversation with the OpenAI Real { "event_id": "event_AzlwJyl4yjBvQDUuh9wjn", "item_id": "item_AzlwJisejpLdAoXdNwm2Z", - "previous_item_id": "item_AzlwFKH1rmNdQLC7YZiXB", + "previous_item_id": "item_AzlwFKH1rmANdQLC7YZiXB", "type": "input_audio_buffer.committed" }, { @@ -1196,7 +1195,7 @@ Example of events coming from a few seconds of conversation with the OpenAI Real "status": "completed", "type": "message" }, - "previous_item_id": "item_AzlwFKH1rmNdQLC7YZiXB", + "previous_item_id": "item_AzlwFKH1rmANdQLC7YZiXB", "type": "conversation.item.created" }, { @@ -1283,7 +1282,7 @@ Example of events coming from a few seconds of conversation with the OpenAI Real "type": "input_audio_buffer.committed" }, { - "event_id": "event_AzlwKIUNboHQuz0yJqEyt", + "event_id": "event_AzlwKIUNboHQuz0yJqYet", "item": { "id": "item_AzlwJXoYxsF57rqAXF6Rc", "arguments": null, From 14c5b359446abb95bfa4301c04fbb6a544d55d76 Mon Sep 17 00:00:00 2001 From: eavanvalkenburg Date: Wed, 12 Feb 2025 10:30:11 +0100 Subject: [PATCH 11/17] added note --- docs/decisions/0065-realtime-api-clients.md | 2 ++ 1 file changed, 2 insertions(+) diff --git a/docs/decisions/0065-realtime-api-clients.md b/docs/decisions/0065-realtime-api-clients.md index b23798ad4612..6a807a5a864b 100644 --- a/docs/decisions/0065-realtime-api-clients.md +++ b/docs/decisions/0065-realtime-api-clients.md @@ -202,6 +202,8 @@ One open item is whether to include a extra field in these types for tracking re - `output_index`: the index of the output item in the response - `content_index`: The index of the content part in the item's content array +For an example of the events emitted by OpenAI see the [details](#background-info) below. + While Google has ID's only in some content items, like function calls, but not for audio or text content. Since the id's are always available through the raw event (either as inner_content or as .event), it is not necessary to add them to the content types, and it would make the content types more complex and harder to reuse across services. From f2d5e21c8852012a51020e293480dd4a99a2f1bd Mon Sep 17 00:00:00 2001 From: eavanvalkenburg Date: Wed, 12 Feb 2025 10:50:13 +0100 Subject: [PATCH 12/17] typo fix --- docs/decisions/0065-realtime-api-clients.md | 44 ++++++++++----------- 1 file changed, 22 insertions(+), 22 deletions(-) diff --git a/docs/decisions/0065-realtime-api-clients.md b/docs/decisions/0065-realtime-api-clients.md index 6a807a5a864b..afe6434440e4 100644 --- a/docs/decisions/0065-realtime-api-clients.md +++ b/docs/decisions/0065-realtime-api-clients.md @@ -874,7 +874,7 @@ Example of events coming from a few seconds of conversation with the OpenAI Real { "event_id": "event_AzlwGHwb6c55ZlpYaDNo2", "item": { - "id": "item_AzlwFKH1rmANdQLC7YZiXB", + "id": "item_AzlwFKH1rmAndQLC7YZiXB", "arguments": null, "call_id": null, "content": [], @@ -892,7 +892,7 @@ Example of events coming from a few seconds of conversation with the OpenAI Real { "event_id": "event_AzlwG1HpISl5oA3oOqr66", "item": { - "id": "item_AzlwFKH1rmANdQLC7YZiXB", + "id": "item_AzlwFKH1rmAndQLC7YZiXB", "arguments": null, "call_id": null, "content": [], @@ -909,7 +909,7 @@ Example of events coming from a few seconds of conversation with the OpenAI Real { "content_index": 0, "event_id": "event_AzlwGGTIXV6QmZ3IdILPu", - "item_id": "item_AzlwFKH1rmANdQLC7YZiXB", + "item_id": "item_AzlwFKH1rmAndQLC7YZiXB", "output_index": 0, "part": { "audio": null, @@ -924,7 +924,7 @@ Example of events coming from a few seconds of conversation with the OpenAI Real "content_index": 0, "delta": "I'm", "event_id": "event_AzlwG2WTBP9ZkRVE0PqZK", - "item_id": "item_AzlwFKH1rmANdQLC7YZiXB", + "item_id": "item_AzlwFKH1rmAndQLC7YZiXB", "output_index": 0, "response_id": "resp_AzlwF7CVNcKelcIOECR33", "type": "response.audio_transcript.delta" @@ -933,7 +933,7 @@ Example of events coming from a few seconds of conversation with the OpenAI Real "content_index": 0, "delta": " doing", "event_id": "event_AzlwGevZG2oP5vCB5if8", - "item_id": "item_AzlwFKH1rmANdQLC7YZiXB", + "item_id": "item_AzlwFKH1rmAndQLC7YZiXB", "output_index": 0, "response_id": "resp_AzlwF7CVNcKelcIOECR33", "type": "response.audio_transcript.delta" @@ -942,7 +942,7 @@ Example of events coming from a few seconds of conversation with the OpenAI Real "content_index": 0, "delta": " great", "event_id": "event_AzlwGJc6rHWUM5IXj9Tzf", - "item_id": "item_AzlwFKH1rmANdQLC7YZiXB", + "item_id": "item_AzlwFKH1rmAndQLC7YZiXB", "output_index": 0, "response_id": "resp_AzlwF7CVNcKelcIOECR33", "type": "response.audio_transcript.delta" @@ -951,7 +951,7 @@ Example of events coming from a few seconds of conversation with the OpenAI Real "content_index": 0, "delta": ",", "event_id": "event_AzlwG06k8F5N3lNd5Gpwh", - "item_id": "item_AzlwFKH1rmANdQLC7YZiXB", + "item_id": "item_AzlwFKH1rmAndQLC7YZiXB", "output_index": 0, "response_id": "resp_AzlwF7CVNcKelcIOECR33", "type": "response.audio_transcript.delta" @@ -960,7 +960,7 @@ Example of events coming from a few seconds of conversation with the OpenAI Real "content_index": 0, "delta": " thanks", "event_id": "event_AzlwGmmSwayu6Mr4ntAxk", - "item_id": "item_AzlwFKH1rmANdQLC7YZiXB", + "item_id": "item_AzlwFKH1rmAndQLC7YZiXB", "output_index": 0, "response_id": "resp_AzlwF7CVNcKelcIOECR33", "type": "response.audio_transcript.delta" @@ -975,7 +975,7 @@ Example of events coming from a few seconds of conversation with the OpenAI Real "content_index": 0, "delta": " for", "event_id": "event_AzlwGpVIIBxnfOKzDvxIc", - "item_id": "item_AzlwFKH1rmANdQLC7YZiXB", + "item_id": "item_AzlwFKH1rmAndQLC7YZiXB", "output_index": 0, "response_id": "resp_AzlwF7CVNcKelcIOECR33", "type": "response.audio_transcript.delta" @@ -984,7 +984,7 @@ Example of events coming from a few seconds of conversation with the OpenAI Real "content_index": 0, "delta": " asking", "event_id": "event_AzlwGkHbM1FK69fw7Jobx", - "item_id": "item_AzlwFKH1rmANdQLC7YZiXB", + "item_id": "item_AzlwFKH1rmAndQLC7YZiXB", "output_index": 0, "response_id": "resp_AzlwF7CVNcKelcIOECR33", "type": "response.audio_transcript.delta" @@ -993,7 +993,7 @@ Example of events coming from a few seconds of conversation with the OpenAI Real "content_index": 0, "delta": "!", "event_id": "event_AzlwGdxNx8C8Po1ngipRk", - "item_id": "item_AzlwFKH1rmANdQLC7YZiXB", + "item_id": "item_AzlwFKH1rmAndQLC7YZiXB", "output_index": 0, "response_id": "resp_AzlwF7CVNcKelcIOECR33", "type": "response.audio_transcript.delta" @@ -1002,7 +1002,7 @@ Example of events coming from a few seconds of conversation with the OpenAI Real "content_index": 0, "delta": " How", "event_id": "event_AzlwGkwYrqxgxr84NQCyk", - "item_id": "item_AzlwFKH1rmANdQLC7YZiXB", + "item_id": "item_AzlwFKH1rmAndQLC7YZiXB", "output_index": 0, "response_id": "resp_AzlwF7CVNcKelcIOECR33", "type": "response.audio_transcript.delta" @@ -1011,7 +1011,7 @@ Example of events coming from a few seconds of conversation with the OpenAI Real "content_index": 0, "delta": " about", "event_id": "event_AzlwGJsK6FC0aUUK9OmuE", - "item_id": "item_AzlwFKH1rmANdQLC7YZiXB", + "item_id": "item_AzlwFKH1rmAndQLC7YZiXB", "output_index": 0, "response_id": "resp_AzlwF7CVNcKelcIOECR33", "type": "response.audio_transcript.delta" @@ -1020,7 +1020,7 @@ Example of events coming from a few seconds of conversation with the OpenAI Real "content_index": 0, "delta": " you", "event_id": "event_AzlwG8wlFjG4O8js1WzuA", - "item_id": "item_AzlwFKH1rmANdQLC7YZiXB", + "item_id": "item_AzlwFKH1rmAndQLC7YZiXB", "output_index": 0, "response_id": "resp_AzlwF7CVNcKelcIOECR33", "type": "response.audio_transcript.delta" @@ -1029,7 +1029,7 @@ Example of events coming from a few seconds of conversation with the OpenAI Real "content_index": 0, "delta": "?", "event_id": "event_AzlwG7DkOS9QkRZiWrZu1", - "item_id": "item_AzlwFKH1rmANdQLC7YZiXB", + "item_id": "item_AzlwFKH1rmAndQLC7YZiXB", "output_index": 0, "response_id": "resp_AzlwF7CVNcKelcIOECR33", "type": "response.audio_transcript.delta" @@ -1037,7 +1037,7 @@ Example of events coming from a few seconds of conversation with the OpenAI Real { "content_index": 0, "event_id": "event_AzlwGu2ND7Q4zRbR6M6eQ", - "item_id": "item_AzlwFKH1rmANdQLC7YZiXB", + "item_id": "item_AzlwFKH1rmAndQLC7YZiXB", "output_index": 0, "response_id": "resp_AzlwF7CVNcKelcIOECR33", "type": "response.audio.done" @@ -1045,7 +1045,7 @@ Example of events coming from a few seconds of conversation with the OpenAI Real { "content_index": 0, "event_id": "event_AzlwGafjEHKv6YhOyFwNc", - "item_id": "item_AzlwFKH1rmANdQLC7YZiXB", + "item_id": "item_AzlwFKH1rmAndQLC7YZiXB", "output_index": 0, "response_id": "resp_AzlwF7CVNcKelcIOECR33", "transcript": "I'm doing great, thanks for asking! How about you?", @@ -1054,7 +1054,7 @@ Example of events coming from a few seconds of conversation with the OpenAI Real { "content_index": 0, "event_id": "event_AzlwGZMcbxkDt4sOdZ7e8", - "item_id": "item_AzlwFKH1rmANdQLC7YZiXB", + "item_id": "item_AzlwFKH1rmAndQLC7YZiXB", "output_index": 0, "part": { "audio": null, @@ -1068,7 +1068,7 @@ Example of events coming from a few seconds of conversation with the OpenAI Real { "event_id": "event_AzlwGGusUSHdwolBzHb1N", "item": { - "id": "item_AzlwFKH1rmANdQLC7YZiXB", + "id": "item_AzlwFKH1rmAndQLC7YZiXB", "arguments": null, "call_id": null, "content": [ @@ -1105,7 +1105,7 @@ Example of events coming from a few seconds of conversation with the OpenAI Real "object": "realtime.response", "output": [ { - "id": "item_AzlwFKH1rmANdQLC7YZiXB", + "id": "item_AzlwFKH1rmAndQLC7YZiXB", "arguments": null, "call_id": null, "content": [ @@ -1172,7 +1172,7 @@ Example of events coming from a few seconds of conversation with the OpenAI Real { "event_id": "event_AzlwJyl4yjBvQDUuh9wjn", "item_id": "item_AzlwJisejpLdAoXdNwm2Z", - "previous_item_id": "item_AzlwFKH1rmANdQLC7YZiXB", + "previous_item_id": "item_AzlwFKH1rmAndQLC7YZiXB", "type": "input_audio_buffer.committed" }, { @@ -1197,7 +1197,7 @@ Example of events coming from a few seconds of conversation with the OpenAI Real "status": "completed", "type": "message" }, - "previous_item_id": "item_AzlwFKH1rmANdQLC7YZiXB", + "previous_item_id": "item_AzlwFKH1rmAndQLC7YZiXB", "type": "conversation.item.created" }, { From 727997fe7c2ef0be3a5a36bedb3f2fa0d44e4860 Mon Sep 17 00:00:00 2001 From: eavanvalkenburg Date: Wed, 12 Feb 2025 10:52:35 +0100 Subject: [PATCH 13/17] another typo --- docs/decisions/0065-realtime-api-clients.md | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/docs/decisions/0065-realtime-api-clients.md b/docs/decisions/0065-realtime-api-clients.md index afe6434440e4..d867286ddca4 100644 --- a/docs/decisions/0065-realtime-api-clients.md +++ b/docs/decisions/0065-realtime-api-clients.md @@ -950,7 +950,7 @@ Example of events coming from a few seconds of conversation with the OpenAI Real { "content_index": 0, "delta": ",", - "event_id": "event_AzlwG06k8F5N3lNd5Gpwh", + "event_id": "event_AzlwG06k8F5N3lAnd5Gpwh", "item_id": "item_AzlwFKH1rmAndQLC7YZiXB", "output_index": 0, "response_id": "resp_AzlwF7CVNcKelcIOECR33", @@ -1036,7 +1036,7 @@ Example of events coming from a few seconds of conversation with the OpenAI Real }, { "content_index": 0, - "event_id": "event_AzlwGu2ND7Q4zRbR6M6eQ", + "event_id": "event_AzlwGu2And7Q4zRbR6M6eQ", "item_id": "item_AzlwFKH1rmAndQLC7YZiXB", "output_index": 0, "response_id": "resp_AzlwF7CVNcKelcIOECR33", From abb3ee40a4b01890b66ec7494b658976f8f8a390 Mon Sep 17 00:00:00 2001 From: eavanvalkenburg Date: Wed, 12 Feb 2025 18:03:48 +0100 Subject: [PATCH 14/17] naming changes from feedback --- docs/decisions/0065-realtime-api-clients.md | 28 ++++++++++----------- 1 file changed, 14 insertions(+), 14 deletions(-) diff --git a/docs/decisions/0065-realtime-api-clients.md b/docs/decisions/0065-realtime-api-clients.md index d867286ddca4..e50ca2a544da 100644 --- a/docs/decisions/0065-realtime-api-clients.md +++ b/docs/decisions/0065-realtime-api-clients.md @@ -1,11 +1,11 @@ --- # These are optional elements. Feel free to remove any of them. status: proposed -contact: Eduard van Valkenburg +contact: eavanvalkenburg date: 2025-01-31 -deciders: Eduard van Valkenburg, Mark Wallace, Ben Thomas, Shawn Henry -consulted: Weslie Steyn, Roger Barreto, Ben Thomas, Mark Wallace, Sergey Menshykh, Evan Mattson -informed: Tao Chen, Dmytro Struk +deciders: eavanvalkenburg, markwallace, alliscode, sphenry +consulted: westey-m, rbarreto, alliscode, markwallace, sergeymenshykh, moonbox3 +informed: taochenosu, dmytrostruk --- # Multi-modal Realtime API Clients @@ -121,7 +121,7 @@ This would mean that all events are turned into Semantic Kernel content items, a - new content type needed for control events ### 3. Treat everything as events -This would introduce events, each event has a type, those can be core content types, like audio, video, image, text, function call or function response, as well as a generic event for control events without content. Each event has a SK type, from above as well as a service_event field that contains the event type from the service. Finally the event has a content field, which corresponds to the type, and for the generic event contains the raw event from the service. +This would introduce events, each event has a type, those can be core content types, like audio, video, image, text, function call or function response, as well as a generic event for control events without content. Each event has a SK type, from above as well as a service_event_type field that contains the event type from the service. Finally the event has a content field, which corresponds to the type, and for the generic event contains the raw event from the service. - Pro: - no transformation needed for service events @@ -142,7 +142,7 @@ It might also be possible that a single event from the service contains multiple ```python RealtimeAudioEvent( event_type="audio", # single default value in order to discriminate easily - service_event="response.audio.delta", # optional + service_event_type="response.audio.delta", # optional audio: AudioContent(...) ) ``` @@ -150,7 +150,7 @@ RealtimeAudioEvent( ```python RealtimeTextEvent( event_type="text", # single default value in order to discriminate easily - service_event="response.text.delta", # optional + service_event_type="response.text.delta", # optional text: TextContent(...) ) ``` @@ -158,7 +158,7 @@ RealtimeTextEvent( ```python RealtimeFunctionCallEvent( event_type="function_call", # single default value in order to discriminate easily - service_event="response.function_call_arguments.delta", # optional + service_event_type="response.function_call_arguments.delta", # optional function_call: FunctionCallContent(...) ) ``` @@ -166,7 +166,7 @@ RealtimeFunctionCallEvent( ```python RealtimeFunctionResultEvent( event_type="function_result", # single default value in order to discriminate easily - service_event="response.output_item.added", # optional + service_event_type="response.output_item.added", # optional function_result: FunctionResultContent(...) ) ``` @@ -174,22 +174,22 @@ RealtimeFunctionResultEvent( ```python RealtimeImageEvent( event_type="image", # single default value in order to discriminate easily - service_event="response.image.delta", # optional + service_event_type="response.image.delta", # optional image: ImageContent(...) ) ``` -Next to these we will have a generic event, called RealtimeServiceEvent, this is the catch-all, which has event_type: "service", the service_event field filled with the event type from the service and a field called 'event' which contains the raw event from the service. A key difference between this event and other events is that the service_event field cannot by None, it has to be filled. +Next to these we will have a generic event, called RealtimeServiceEvent, this is the catch-all, which has event_type: "service", the service_event_type field filled with the event type from the service and a field called 'event' which contains the raw event from the service. A key difference between this event and other events is that the service_event_type field cannot by None, it has to be filled. ```python RealtimeServiceEvent( event_type="service", # single default value in order to discriminate easily - service_event="conversation.item.create", # mandatory + service_event_type="conversation.item.create", # mandatory event: { ... } # optional, because some events do not have content. ) ``` -This allows you to easily do pattern matching on the event_type, and then use the service_event to filter on the specific event type for service events, or just grab the contents for the other ones. +This allows you to easily do pattern matching on the event_type, and then use the service_event_type to filter on the specific event type for service events, or just grab the contents for the other ones. There might be other abstracted types needed at some point, for instance errors, or session updates, but since the current two services have no agreement on the existence of these events and their structure, it is better to wait until there is a need for them. @@ -404,7 +404,7 @@ should be equivalent to: ```python audio = AudioContent(...) -await client.send(ServiceEvent(event_type='service', service_event='input_audio_buffer.append', event=audio)) +await client.send(ServiceEvent(event_type='service', service_event_type='input_audio_buffer.append', event=audio)) ``` The first version allows one to have the exact same code for all services, while the second version is also correct and should be handled correctly as well, this once again allows for flexibility and simplicity, when audio needs to be sent to with a different event type, that is still possible in the second way, while the first uses the "default" event type for that particular service, this can for instance be used to seed the conversation with completed audio snippets from a previous session, rather then just the transcripts, the completed audio, needs to be of event type 'conversation.item.create' for OpenAI, while a streamed 'frame' of audio would be 'input_audio_buffer.append' and that would be the default to use. From c0713b691d643843da1f3c288af8d68711369056 Mon Sep 17 00:00:00 2001 From: eavanvalkenburg Date: Wed, 12 Feb 2025 18:09:07 +0100 Subject: [PATCH 15/17] change to service_event --- docs/decisions/0065-realtime-api-clients.md | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/docs/decisions/0065-realtime-api-clients.md b/docs/decisions/0065-realtime-api-clients.md index e50ca2a544da..24c5b1c3f56a 100644 --- a/docs/decisions/0065-realtime-api-clients.md +++ b/docs/decisions/0065-realtime-api-clients.md @@ -185,7 +185,7 @@ Next to these we will have a generic event, called RealtimeServiceEvent, this is RealtimeServiceEvent( event_type="service", # single default value in order to discriminate easily service_event_type="conversation.item.create", # mandatory - event: { ... } # optional, because some events do not have content. + service_event: { ... } # optional, because some events do not have content. ) ``` @@ -209,7 +209,7 @@ While Google has ID's only in some content items, like function calls, but not f Since the id's are always available through the raw event (either as inner_content or as .event), it is not necessary to add them to the content types, and it would make the content types more complex and harder to reuse across services. ### Rejected ideas -Wrapping content in a `(Streaming)ChatMessageContent` first, this will add another layer of complexity and since a CMC can contain multiple items, to access audio, would look like this: `event.content.items[0].audio.data`, which is not as clear as `event.audio.data`. +Wrapping content in a `(Streaming)ChatMessageContent` first, this will add another layer of complexity and since a CMC can contain multiple items, to access audio, would look like this: `service_event.content.items[0].audio.data`, which is not as clear as `service_event.audio.data`. # Programming model @@ -397,14 +397,14 @@ The send method should handle all events types, but it might have to handle the ```python audio = AudioContent(...) -await client.send(AudioEvent(event_type='audio', audio=audio)) +await client.send(AudioEvent(audio=audio)) ``` should be equivalent to: ```python audio = AudioContent(...) -await client.send(ServiceEvent(event_type='service', service_event_type='input_audio_buffer.append', event=audio)) +await client.send(ServiceEvent(service_event_type='input_audio_buffer.append', service_event=audio)) ``` The first version allows one to have the exact same code for all services, while the second version is also correct and should be handled correctly as well, this once again allows for flexibility and simplicity, when audio needs to be sent to with a different event type, that is still possible in the second way, while the first uses the "default" event type for that particular service, this can for instance be used to seed the conversation with completed audio snippets from a previous session, rather then just the transcripts, the completed audio, needs to be of event type 'conversation.item.create' for OpenAI, while a streamed 'frame' of audio would be 'input_audio_buffer.append' and that would be the default to use. From 015ff94c3ff3566787aee36cd17db17c7f7ea287 Mon Sep 17 00:00:00 2001 From: eavanvalkenburg Date: Wed, 12 Feb 2025 18:23:14 +0100 Subject: [PATCH 16/17] small text update --- docs/decisions/0065-realtime-api-clients.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/docs/decisions/0065-realtime-api-clients.md b/docs/decisions/0065-realtime-api-clients.md index 24c5b1c3f56a..c57eaffd5fcd 100644 --- a/docs/decisions/0065-realtime-api-clients.md +++ b/docs/decisions/0065-realtime-api-clients.md @@ -135,7 +135,7 @@ This would introduce events, each event has a type, those can be core content ty Chosen option: 3 Treat Everything as Events This option was chosen to allow abstraction away from the raw events, while still allowing the developer to access the raw events if needed. -A set of events are defined, for basic types, like 'audio', 'text', 'function_call', 'function_result', it then has two other fields, service_event which is filled with the event type from the service and a field for the actual content, with a name that corresponds to the event type, the actual content should use the inner_content field to capture the raw event. +A set of events are defined, for basic types, like 'audio', 'text', 'function_call', 'function_result', it then has two other fields, service_event_type which is filled with the name of the event from the service and a field for the actual content, with a name that corresponds to the event type, the actual content should use the inner_content field to capture the raw event. It might also be possible that a single event from the service contains multiple content items, for instance a response might contain both text and audio, in that case multiple events will be emitted. It might also be that a single service event is represented twice, i.e. once as a AudioEvent and once as a ServiceEvent, this once again gives the most flexibility to the developer. From c34269c0046e9a5175f2be992d5453976fa5c49e Mon Sep 17 00:00:00 2001 From: eavanvalkenburg Date: Thu, 13 Feb 2025 08:57:17 +0100 Subject: [PATCH 17/17] added RealtimeEvent class --- docs/decisions/0065-realtime-api-clients.md | 46 ++++++++++++--------- 1 file changed, 26 insertions(+), 20 deletions(-) diff --git a/docs/decisions/0065-realtime-api-clients.md b/docs/decisions/0065-realtime-api-clients.md index c57eaffd5fcd..a27987aeaf00 100644 --- a/docs/decisions/0065-realtime-api-clients.md +++ b/docs/decisions/0065-realtime-api-clients.md @@ -135,66 +135,72 @@ This would introduce events, each event has a type, those can be core content ty Chosen option: 3 Treat Everything as Events This option was chosen to allow abstraction away from the raw events, while still allowing the developer to access the raw events if needed. -A set of events are defined, for basic types, like 'audio', 'text', 'function_call', 'function_result', it then has two other fields, service_event_type which is filled with the name of the event from the service and a field for the actual content, with a name that corresponds to the event type, the actual content should use the inner_content field to capture the raw event. +A base event type is added called `RealtimeEvent`, this has three fields, a `event_type`, `service_event_type` and `service_event`. It then has four subclasses, one each for audio, text, function call and function result. -It might also be possible that a single event from the service contains multiple content items, for instance a response might contain both text and audio, in that case multiple events will be emitted. It might also be that a single service event is represented twice, i.e. once as a AudioEvent and once as a ServiceEvent, this once again gives the most flexibility to the developer. +When a known piece of content has come in, it will be parsed into a SK content type and added, this content should also have the raw event in the inner_content, so events are then stored twice, once in the event, once in the content, this is by design so that if the developer needs to access the raw event, they can do so easily even when they remove the event layer. + +It might also be possible that a single event from the service contains multiple content items, for instance a response might contain both text and audio, in that case multiple events will be emitted. In principle a event has to be handled once, so if there is event that is parsable only the subtype is returned, since it has all the same information as the `RealtimeEvent` this will allow developers to trigger directly off the service_event_type and service_event if they don't want to use the abstracted types. + +```python +RealtimeEvent( + event_type="service", # single default value in order to discriminate easily + service_event_type="conversation.item.create", # optional + service_event: { ... } # optional, because some events do not have content. +) +``` ```python -RealtimeAudioEvent( +RealtimeAudioEvent(RealtimeEvent)( event_type="audio", # single default value in order to discriminate easily service_event_type="response.audio.delta", # optional + service_event: { ... } audio: AudioContent(...) ) ``` ```python -RealtimeTextEvent( +RealtimeTextEvent(RealtimeEvent)( event_type="text", # single default value in order to discriminate easily service_event_type="response.text.delta", # optional + service_event: { ... } text: TextContent(...) ) ``` ```python -RealtimeFunctionCallEvent( +RealtimeFunctionCallEvent(RealtimeEvent)( event_type="function_call", # single default value in order to discriminate easily service_event_type="response.function_call_arguments.delta", # optional + service_event: { ... } function_call: FunctionCallContent(...) ) ``` ```python -RealtimeFunctionResultEvent( +RealtimeFunctionResultEvent(RealtimeEvent)( event_type="function_result", # single default value in order to discriminate easily service_event_type="response.output_item.added", # optional + service_event: { ... } function_result: FunctionResultContent(...) ) ``` ```python -RealtimeImageEvent( +RealtimeImageEvent(RealtimeEvent)( event_type="image", # single default value in order to discriminate easily service_event_type="response.image.delta", # optional + service_event: { ... } image: ImageContent(...) ) ``` -Next to these we will have a generic event, called RealtimeServiceEvent, this is the catch-all, which has event_type: "service", the service_event_type field filled with the event type from the service and a field called 'event' which contains the raw event from the service. A key difference between this event and other events is that the service_event_type field cannot by None, it has to be filled. - -```python -RealtimeServiceEvent( - event_type="service", # single default value in order to discriminate easily - service_event_type="conversation.item.create", # mandatory - service_event: { ... } # optional, because some events do not have content. -) -``` - -This allows you to easily do pattern matching on the event_type, and then use the service_event_type to filter on the specific event type for service events, or just grab the contents for the other ones. +This allows you to easily do pattern matching on the event_type, or use the service_event_type to filter on the specific event type for service events, or match on the type of the event and get the SK contents from it. There might be other abstracted types needed at some point, for instance errors, or session updates, but since the current two services have no agreement on the existence of these events and their structure, it is better to wait until there is a need for them. -Collectively these are known as *RealtimeEvents* (and this could be a base class for all events or a type hint with union and discriminator), and are returned as an async generator from the client, so you can easily loop over them. And they are passed to the send method. +### Rejected ideas +#### ID Handling One open item is whether to include a extra field in these types for tracking related pieces, however this becomes problematic because the way those are generated differs per service and is quite complex, for instance the OpenAI API returns a piece of audio transcript with the following ids: - `event_id`: the unique id of the event - `response_id`: the id of the response @@ -208,7 +214,7 @@ While Google has ID's only in some content items, like function calls, but not f Since the id's are always available through the raw event (either as inner_content or as .event), it is not necessary to add them to the content types, and it would make the content types more complex and harder to reuse across services. -### Rejected ideas +#### Wrapping content in a (Streaming)ChatMessageContent Wrapping content in a `(Streaming)ChatMessageContent` first, this will add another layer of complexity and since a CMC can contain multiple items, to access audio, would look like this: `service_event.content.items[0].audio.data`, which is not as clear as `service_event.audio.data`. # Programming model