Case
sendspin-go -> sendspin-cpp
Start the server first, then the client. The client discovers or looks up the server, initiates the WebSocket connection, advertises PCM as its only supported audio format, streams audio derived from almost_silent.flac, and compares canonical PCM hashes.
Server
sendspin-go
Client
sendspin-cpp
Status
Failed
Client summary status is 'error'
Inspection
Summaries, logs, and builds
Matrix result
RAW{
"case_dir": "artifacts/results/data/macos__client-initiated-pcm__sendspin-go__to__sendspin-cpp",
"client_exit_code": 1,
"client_impl": "sendspin-cpp",
"reason": "Client summary status is 'error'",
"scenario_id": "client-initiated-pcm",
"server_exit_code": 0,
"server_impl": "sendspin-go",
"status": "failed"
}Server summary (JSON)
RAW{
"audio": {
"bit_depth": 16,
"channels": 1,
"clip_seconds": 5,
"duration_seconds": 5,
"fixture": "/Users/runner/work/conformance/conformance/repos/sendspin-cli/tests/fixtures/almost_silent.flac",
"frame_count": 40000,
"sample_rate": 8000,
"sent_audio_chunk_count": 100,
"sent_encoded_byte_count": 80000,
"sent_encoded_sha256": "b3481a3f75dea856a961e7842d12f8344c7147b3925f9f0b67c5445700bd4cf2",
"source_flac_sha256": "8fdda8244e318c63cd8b699fe461cd7cdddbb729327a0ba00d1bfdbe2192fe17",
"source_pcm_sha256": "9d447b5b270bc99b45bb9a616937e436c941ca56c477f9cbe16a93275a6b059e"
},
"client": {
"client_id": "sendspin-cpp-client-id",
"name": "sendspin-cpp-client",
"supported_roles": [
"player@v1"
]
},
"discovery_method": "registry_advertised",
"implementation": "sendspin-go",
"initiator_role": "client",
"peer_hello": {
"payload": {
"client_id": "sendspin-cpp-client-id",
"device_info": {
"mac_address": "f6:11:f3:38:d0:cc",
"manufacturer": "Sendspin Conformance",
"product_name": "sendspin-cpp Conformance Client",
"software_version": "0.2.0"
},
"name": "sendspin-cpp-client",
"player@v1_support": {
"buffer_capacity": 800000,
"supported_commands": [
"volume",
"mute"
],
"supported_formats": [
{
"bit_depth": 16,
"channels": 1,
"codec": "pcm",
"sample_rate": 8000
}
]
},
"supported_roles": [
"player@v1"
],
"version": 1
},
"type": "client/hello"
},
"preferred_codec": "pcm",
"role": "server",
"scenario_id": "client-initiated-pcm",
"server_id": "sendspin-go-server",
"server_name": "sendspin-go server",
"status": "ok",
"stream": {
"bit_depth": 16,
"channels": 1,
"codec": "pcm",
"sample_rate": 8000
}
}Server log
RAW{
"audio": {
"bit_depth": 16,
"channels": 1,
"clip_seconds": 5,
"duration_seconds": 5,
"fixture": "/Users/runner/work/conformance/conformance/repos/sendspin-cli/tests/fixtures/almost_silent.flac",
"frame_count": 40000,
"sample_rate": 8000,
"sent_audio_chunk_count": 100,
"sent_encoded_byte_count": 80000,
"sent_encoded_sha256": "b3481a3f75dea856a961e7842d12f8344c7147b3925f9f0b67c5445700bd4cf2",
"source_flac_sha256": "8fdda8244e318c63cd8b699fe461cd7cdddbb729327a0ba00d1bfdbe2192fe17",
"source_pcm_sha256": "9d447b5b270bc99b45bb9a616937e436c941ca56c477f9cbe16a93275a6b059e"
},
"client": {
"client_id": "sendspin-cpp-client-id",
"name": "sendspin-cpp-client",
"supported_roles": [
"player@v1"
]
},
"discovery_method": "registry_advertised",
"implementation": "sendspin-go",
"initiator_role": "client",
"peer_hello": {
"payload": {
"client_id": "sendspin-cpp-client-id",
"device_info": {
"mac_address": "f6:11:f3:38:d0:cc",
"manufacturer": "Sendspin Conformance",
"product_name": "sendspin-cpp Conformance Client",
"software_version": "0.2.0"
},
"name": "sendspin-cpp-client",
"player@v1_support": {
"buffer_capacity": 800000,
"supported_commands": [
"volume",
"mute"
],
"supported_formats": [
{
"bit_depth": 16,
"channels": 1,
"codec": "pcm",
"sample_rate": 8000
}
]
},
"supported_roles": [
"player@v1"
],
"version": 1
},
"type": "client/hello"
},
"preferred_codec": "pcm",
"role": "server",
"scenario_id": "client-initiated-pcm",
"server_id": "sendspin-go-server",
"server_name": "sendspin-go server",
"status": "ok",
"stream": {
"bit_depth": 16,
"channels": 1,
"codec": "pcm",
"sample_rate": 8000
}
}
Client summary (JSON)
RAW{
"audio": {
"audio_chunk_count": 95,
"chunks_before_stream_start": 95,
"chunks_without_bit_depth": 95,
"hash_bit_depth": null,
"received_encoded_sha256": "14ed9e9d8adac4eb085d1c90a271086c90855c4030512d0bb7351b5b8d8be4e4",
"received_pcm_sha256": null,
"received_sample_count": 0
},
"client_id": "sendspin-cpp-client-id",
"client_name": "sendspin-cpp-client",
"implementation": "sendspin-cpp",
"initiator_role": "client",
"preferred_codec": "pcm",
"reason": "Received 95 audio chunks with no usable stream/start bit depth",
"role": "client",
"scenario_id": "client-initiated-pcm",
"server": {
"connection_reason": "playback",
"name": "sendspin-go server",
"server_id": "sendspin-go-server",
"version": 1
},
"status": "error",
"stream": {
"bit_depth": 16,
"channels": 1,
"codec": "pcm",
"codec_header": null,
"sample_rate": 8000
}
}Client log
RAWI sendspin.ws_server: Starting server on port: 19936 (max connections: 4)
I sendspin.conn_mgr: Initiating client connection to: ws://127.0.0.1:18936/sendspin
I sendspin.conn_mgr: Connection handshake complete: server_id=sendspin-go-server, connection_reason=playback
I sendspin.sync_task: Processed new codec header: pcm, 8000 Hz, 1 ch, 16-bit
I sendspin.conn_mgr: Current connection lost
{"status":"error","reason":"Received 95 audio chunks with no usable stream/start bit depth","implementation":"sendspin-cpp","role":"client","scenario_id":"client-initiated-pcm","initiator_role":"client","preferred_codec":"pcm","client_name":"sendspin-cpp-client","client_id":"sendspin-cpp-client-id","server":{"server_id":"sendspin-go-server","name":"sendspin-go server","version":1,"connection_reason":"playback"},"stream":{"codec":"pcm","sample_rate":8000,"channels":1,"bit_depth":16,"codec_header":null},"audio":{"audio_chunk_count":95,"chunks_before_stream_start":95,"chunks_without_bit_depth":95,"hash_bit_depth":null,"received_encoded_sha256":"14ed9e9d8adac4eb085d1c90a271086c90855c4030512d0bb7351b5b8d8be4e4","received_pcm_sha256":null,"received_sample_count":0}}Server build log · sendspin-go-server · built · 0.73s
RAWNo build detail was recorded.
Client build log · sendspin-cpp-client · built · 68.81s
RAW| ^
/Users/runner/work/conformance/conformance/adapters/sendspin-cpp/client/build/_deps/ixwebsocket-src/ixwebsocket/IXWebSocketPerMessageDeflateCodec.cpp:209:97: warning: unused parameter 'out' [-Wunused-parameter]
209 | bool WebSocketPerMessageDeflateDecompressor::decompress(const std::string& in, std::string& out)
| ^
In file included from /Users/runner/work/conformance/conformance/adapters/sendspin-cpp/client/build/_deps/ixwebsocket-src/ixwebsocket/IXWebSocketPerMessageDeflateCodec.cpp:7:
/Users/runner/work/conformance/conformance/adapters/sendspin-cpp/client/build/_deps/ixwebsocket-src/ixwebsocket/IXWebSocketPerMessageDeflateCodec.h:39:13: warning: private field '_flush' is not used [-Wunused-private-field]
39 | int _flush;
| ^
/Users/runner/work/conformance/conformance/adapters/sendspin-cpp/client/build/_deps/ixwebsocket-src/ixwebsocket/IXWebSocketPerMessageDeflateCodec.h:40:44: warning: private field '_compressBuffer' is not used [-Wunused-private-field]
40 | std::array<unsigned char, 1 << 14> _compressBuffer;
| ^
/Users/runner/work/conformance/conformance/adapters/sendspin-cpp/client/build/_deps/ixwebsocket-src/ixwebsocket/IXWebSocketPerMessageDeflateCodec.h:57:13: warning: private field '_flush' is not used [-Wunused-private-field]
57 | int _flush;
| ^
/Users/runner/work/conformance/conformance/adapters/sendspin-cpp/client/build/_deps/ixwebsocket-src/ixwebsocket/IXWebSocketPerMessageDeflateCodec.h:58:44: warning: private field '_compressBuffer' is not used [-Wunused-private-field]
58 | std::array<unsigned char, 1 << 14> _compressBuffer;
| ^
12 warnings generated.
/Users/runner/work/conformance/conformance/adapters/sendspin-cpp/client/build/_deps/ixwebsocket-src/ixwebsocket/IXWebSocketPerMessageDeflateOptions.cpp:17:26: warning: unused variable 'minServerMaxWindowBits' [-Wunused-const-variable]
17 | static const uint8_t minServerMaxWindowBits = 8;
| ^~~~~~~~~~~~~~~~~~~~~~
/Users/runner/work/conformance/conformance/adapters/sendspin-cpp/client/build/_deps/ixwebsocket-src/ixwebsocket/IXWebSocketPerMessageDeflateOptions.cpp:18:26: warning: unused variable 'maxServerMaxWindowBits' [-Wunused-const-variable]
18 | static const uint8_t maxServerMaxWindowBits = 15;
| ^~~~~~~~~~~~~~~~~~~~~~
/Users/runner/work/conformance/conformance/adapters/sendspin-cpp/client/build/_deps/ixwebsocket-src/ixwebsocket/IXWebSocketPerMessageDeflateOptions.cpp:21:26: warning: unused variable 'minClientMaxWindowBits' [-Wunused-const-variable]
21 | static const uint8_t minClientMaxWindowBits = 8;
| ^~~~~~~~~~~~~~~~~~~~~~
/Users/runner/work/conformance/conformance/adapters/sendspin-cpp/client/build/_deps/ixwebsocket-src/ixwebsocket/IXWebSocketPerMessageDeflateOptions.cpp:22:26: warning: unused variable 'maxClientMaxWindowBits' [-Wunused-const-variable]
22 | static const uint8_t maxClientMaxWindowBits = 15;
| ^~~~~~~~~~~~~~~~~~~~~~
4 warnings generated.
/Users/runner/work/conformance/conformance/adapters/sendspin-cpp/client/main.cpp:451:21: warning: 'send_command' is deprecated: use send_command(const ClientCommandControllerObject&); this overload cannot carry seek parameters and will be removed in v0.8.0 [-Wdeprecated-declarations]
451 | controller_.send_command(target.value());
| ^
/Users/runner/work/conformance/conformance/repos/sendspin-cpp/include/sendspin/controller_role.h:164:7: note: 'send_command' has been explicitly marked deprecated here
164 | [[deprecated(
| ^
1 warning generated.