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pulse-bridge: add introspection of dummy sink/source

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This commit is contained in:
Wim Taymans 2020-10-06 17:56:45 +02:00
parent 6f6337e732
commit 3194d5ca81
1 changed files with 204 additions and 33 deletions
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237
src/examples/media-session/pulse-bridge.c
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@ -106,16 +106,7 @@ enum error_code {
ERR_MAX /**< Not really an error but the first invalid error code */ ERR_MAX /**< Not really an error but the first invalid error code */
}; };
struct impl { struct impl;
struct sm_media_session *session;
struct spa_hook listener;
struct pw_loop *loop;
struct pw_context *context;
struct spa_source *source;
struct spa_list clients;
};
struct descriptor { struct descriptor {
uint32_t length; uint32_t length;
@ -261,14 +252,6 @@ struct cvolume {
float values[CHANNELS_MAX]; float values[CHANNELS_MAX];
}; };
struct buffer_attr {
uint32_t maxlength;
uint32_t tlength;
uint32_t prebuf;
uint32_t minreq;
uint32_t fragsize;
};
enum encoding { enum encoding {
ENCODING_ANY, ENCODING_ANY,
ENCODING_PCM, ENCODING_PCM,
@ -288,6 +271,25 @@ struct format_info {
struct pw_properties *props; struct pw_properties *props;
}; };
struct device {
uint32_t index;
char *name;
enum pw_direction direction;
struct pw_properties *props;
struct sample_spec ss;
struct cvolume volume;
struct channel_map map;
bool muted;
};
struct buffer_attr {
uint32_t maxlength;
uint32_t tlength;
uint32_t prebuf;
uint32_t minreq;
uint32_t fragsize;
};
struct stream { struct stream {
uint32_t create_tag; uint32_t create_tag;
uint32_t channel; /* index in map */ uint32_t channel; /* index in map */
@ -324,6 +326,21 @@ struct stream {
unsigned int have_time:1; unsigned int have_time:1;
}; };
struct impl {
struct sm_media_session *session;
struct spa_hook listener;
struct pw_loop *loop;
struct pw_context *context;
struct spa_source *source;
struct spa_list clients;
struct device default_sink;
struct device default_source;
};
enum { enum {
/* Generic commands */ /* Generic commands */
COMMAND_ERROR, COMMAND_ERROR,
@ -1283,6 +1300,7 @@ static int send_command_request(struct stream *stream)
static int reply_create_playback_stream(struct stream *stream) static int reply_create_playback_stream(struct stream *stream)
{ {
struct client *client = stream->client; struct client *client = stream->client;
struct impl *impl = client->impl;
struct message *reply; struct message *reply;
uint32_t size; uint32_t size;
@ -1291,7 +1309,7 @@ static int reply_create_playback_stream(struct stream *stream)
reply = reply_new(client, stream->create_tag); reply = reply_new(client, stream->create_tag);
message_put(reply, message_put(reply,
TAG_U32, stream->channel, /* stream index/channel */ TAG_U32, stream->channel, /* stream index/channel */
TAG_U32, 0, /* sink_input/stream index */ TAG_U32, stream->channel, /* sink_input/stream index */
TAG_U32, size, /* missing/requested bytes */ TAG_U32, size, /* missing/requested bytes */
TAG_INVALID); TAG_INVALID);
@ -1307,9 +1325,9 @@ static int reply_create_playback_stream(struct stream *stream)
message_put(reply, message_put(reply,
TAG_SAMPLE_SPEC, &stream->ss, TAG_SAMPLE_SPEC, &stream->ss,
TAG_CHANNEL_MAP, &stream->map, TAG_CHANNEL_MAP, &stream->map,
TAG_U32, 0, /* sink index */ TAG_U32, impl->default_sink.index, /* sink index */
TAG_STRING, "sink", /* sink name */ TAG_STRING, impl->default_sink.name, /* sink name */
TAG_BOOLEAN, false, /* sink suspended state */ TAG_BOOLEAN, false, /* sink suspended state */
TAG_INVALID); TAG_INVALID);
} }
if (client->version >= 13) { if (client->version >= 13) {
@ -1334,12 +1352,13 @@ static int reply_create_playback_stream(struct stream *stream)
static int reply_create_record_stream(struct stream *stream) static int reply_create_record_stream(struct stream *stream)
{ {
struct client *client = stream->client; struct client *client = stream->client;
struct impl *impl = client->impl;
struct message *reply; struct message *reply;
reply = reply_new(client, stream->create_tag); reply = reply_new(client, stream->create_tag);
message_put(reply, message_put(reply,
TAG_U32, stream->channel, /* stream index/channel */ TAG_U32, stream->channel, /* stream index/channel */
TAG_U32, 0, /* source_output/stream index */ TAG_U32, stream->channel, /* source_output/stream index */
TAG_INVALID); TAG_INVALID);
if (client->version >= 9) { if (client->version >= 9) {
@ -1352,8 +1371,8 @@ static int reply_create_record_stream(struct stream *stream)
message_put(reply, message_put(reply,
TAG_SAMPLE_SPEC, &stream->ss, TAG_SAMPLE_SPEC, &stream->ss,
TAG_CHANNEL_MAP, &stream->map, TAG_CHANNEL_MAP, &stream->map,
TAG_U32, 0, /* source index */ TAG_U32, impl->default_source.index, /* source index */
TAG_STRING, "sink", /* source name */ TAG_STRING, impl->default_source.name, /* source name */
TAG_BOOLEAN, false, /* source suspended state */ TAG_BOOLEAN, false, /* source suspended state */
TAG_INVALID); TAG_INVALID);
} }
@ -1492,10 +1511,11 @@ static void stream_param_changed(void *data, uint32_t id, const struct spa_pod *
if (stream->corked) if (stream->corked)
pw_stream_set_active(stream->stream, false); pw_stream_set_active(stream->stream, false);
if (stream->direction == PW_DIRECTION_OUTPUT) if (stream->direction == PW_DIRECTION_OUTPUT) {
reply_create_playback_stream(stream); reply_create_playback_stream(stream);
else } else {
reply_create_record_stream(stream); reply_create_record_stream(stream);
}
} }
params[n_params++] = get_buffers_param(stream, &stream->attr, &b); params[n_params++] = get_buffers_param(stream, &stream->attr, &b);
@ -1956,8 +1976,6 @@ static int do_create_record_stream(struct client *client, uint32_t command, uint
uint8_t buffer[4096]; uint8_t buffer[4096];
struct spa_pod_builder b = SPA_POD_BUILDER_INIT(buffer, sizeof(buffer)); struct spa_pod_builder b = SPA_POD_BUILDER_INIT(buffer, sizeof(buffer));
pw_log_info(NAME" %p: CREATE_PLAYBACK_STREAM", impl);
props = pw_properties_new(NULL, NULL); props = pw_properties_new(NULL, NULL);
if (client->version < 13) { if (client->version < 13) {
@ -1981,6 +1999,8 @@ static int do_create_record_stream(struct client *client, uint32_t command, uint
TAG_INVALID)) < 0) TAG_INVALID)) < 0)
goto error; goto error;
pw_log_info(NAME" %p: CREATE_RECORD_STREAM corked:%u", impl, corked);
if (client->version >= 12) { if (client->version >= 12) {
if ((res = message_get(m, if ((res = message_get(m,
TAG_BOOLEAN, &no_remap, TAG_BOOLEAN, &no_remap,
@ -2054,6 +2074,8 @@ static int do_create_record_stream(struct client *client, uint32_t command, uint
stream->direction = PW_DIRECTION_INPUT; stream->direction = PW_DIRECTION_INPUT;
stream->impl = impl; stream->impl = impl;
stream->client = client; stream->client = client;
stream->corked = corked;
stream->adjust_latency = adjust_latency;
stream->channel = pw_map_insert_new(&client->streams, stream); stream->channel = pw_map_insert_new(&client->streams, stream);
spa_list_init(&stream->messages); spa_list_init(&stream->messages);
stream->create_tag = tag; stream->create_tag = tag;
@ -2501,8 +2523,8 @@ static int do_get_server_info(struct client *client, uint32_t command, uint32_t
TAG_STRING, pw_get_user_name(), TAG_STRING, pw_get_user_name(),
TAG_STRING, pw_get_host_name(), TAG_STRING, pw_get_host_name(),
TAG_SAMPLE_SPEC, &ss, TAG_SAMPLE_SPEC, &ss,
TAG_STRING, "output.pipewire", TAG_STRING, impl->default_sink.name,
TAG_STRING, "input.pipewire", TAG_STRING, impl->default_source.name,
TAG_U32, 0, TAG_U32, 0,
TAG_INVALID); TAG_INVALID);
@ -2597,6 +2619,108 @@ static void fill_client_info(struct client *client, struct message *m)
} }
} }
static void fill_sink_info(struct client *client, struct message *m, struct device *sink)
{
message_put(m,
TAG_U32, sink->index, /* sink index */
TAG_STRING, sink->name,
TAG_STRING, pw_properties_get(sink->props, "device.description"),
TAG_SAMPLE_SPEC, &sink->ss,
TAG_CHANNEL_MAP, &sink->map,
TAG_U32, SPA_ID_INVALID, /* module index */
TAG_CVOLUME, &sink->volume,
TAG_BOOLEAN, sink->muted,
TAG_U32, SPA_ID_INVALID, /* monitor source */
TAG_STRING, NULL, /* monitor source name */
TAG_USEC, 0LL, /* latency */
TAG_STRING, "PipeWire", /* driver */
TAG_U32, 0, /* flags */
TAG_INVALID);
if (client->version >= 13) {
message_put(m,
TAG_PROPLIST, sink->props,
TAG_USEC, 0LL, /* requested latency */
TAG_INVALID);
}
if (client->version >= 15) {
message_put(m,
TAG_VOLUME, 1.0f, /* base volume */
TAG_U32, 0, /* state */
TAG_U32, 256, /* n_volume_steps */
TAG_U32, SPA_ID_INVALID, /* card index */
TAG_INVALID);
}
if (client->version >= 16) {
message_put(m,
TAG_U32, 0, /* n_ports */
TAG_INVALID);
message_put(m,
TAG_STRING, NULL, /* active port name */
TAG_INVALID);
}
if (client->version >= 21) {
struct format_info info;
spa_zero(info);
info.encoding = ENCODING_PCM;
message_put(m,
TAG_U8, 1, /* n_formats */
TAG_FORMAT_INFO, &info,
TAG_INVALID);
}
}
static void fill_source_info(struct client *client, struct message *m, struct device *source)
{
message_put(m,
TAG_U32, source->index, /* source index */
TAG_STRING, source->name,
TAG_STRING, pw_properties_get(source->props, "device.description"),
TAG_SAMPLE_SPEC, &source->ss,
TAG_CHANNEL_MAP, &source->map,
TAG_U32, SPA_ID_INVALID, /* module index */
TAG_CVOLUME, &source->volume,
TAG_BOOLEAN, source->muted,
TAG_U32, SPA_ID_INVALID, /* monitor source */
TAG_STRING, NULL, /* monitor source name */
TAG_USEC, 0LL, /* latency */
TAG_STRING, "PipeWire", /* driver */
TAG_U32, 0, /* flags */
TAG_INVALID);
if (client->version >= 13) {
message_put(m,
TAG_PROPLIST, source->props,
TAG_USEC, 0LL, /* requested latency */
TAG_INVALID);
}
if (client->version >= 15) {
message_put(m,
TAG_VOLUME, 1.0f, /* base volume */
TAG_U32, 0, /* state */
TAG_U32, 256, /* n_volume_steps */
TAG_U32, SPA_ID_INVALID, /* card index */
TAG_INVALID);
}
if (client->version >= 16) {
message_put(m,
TAG_U32, 0, /* n_ports */
TAG_INVALID);
message_put(m,
TAG_STRING, NULL, /* active port name */
TAG_INVALID);
}
if (client->version >= 21) {
struct format_info info;
spa_zero(info);
info.encoding = ENCODING_PCM;
message_put(m,
TAG_U8, 1, /* n_formats */
TAG_FORMAT_INFO, &info,
TAG_INVALID);
}
}
static int do_get_info(struct client *client, uint32_t command, uint32_t tag, struct message *m) static int do_get_info(struct client *client, uint32_t command, uint32_t tag, struct message *m)
{ {
struct impl *impl = client->impl; struct impl *impl = client->impl;
@ -2635,8 +2759,10 @@ static int do_get_info(struct client *client, uint32_t command, uint32_t tag, st
case COMMAND_GET_SAMPLE_INFO: case COMMAND_GET_SAMPLE_INFO:
return reply_error(client, -1, ERR_NOENTITY); return reply_error(client, -1, ERR_NOENTITY);
case COMMAND_GET_SINK_INFO: case COMMAND_GET_SINK_INFO:
fill_sink_info(client, reply, &impl->default_sink);
break;
case COMMAND_GET_SOURCE_INFO: case COMMAND_GET_SOURCE_INFO:
/* fixme, dummy sink/source */ fill_source_info(client, reply, &impl->default_source);
break; break;
case COMMAND_GET_SINK_INPUT_INFO: case COMMAND_GET_SINK_INPUT_INFO:
case COMMAND_GET_SOURCE_OUTPUT_INFO: case COMMAND_GET_SOURCE_OUTPUT_INFO:
@ -2665,8 +2791,10 @@ static int do_get_info_list(struct client *client, uint32_t command, uint32_t ta
case COMMAND_GET_SAMPLE_INFO_LIST: case COMMAND_GET_SAMPLE_INFO_LIST:
break; break;
case COMMAND_GET_SINK_INFO_LIST: case COMMAND_GET_SINK_INFO_LIST:
fill_sink_info(client, reply, &impl->default_sink);
break;
case COMMAND_GET_SOURCE_INFO_LIST: case COMMAND_GET_SOURCE_INFO_LIST:
/* fixme, dummy sink/source */ fill_source_info(client, reply, &impl->default_source);
break; break;
case COMMAND_GET_SINK_INPUT_INFO_LIST: case COMMAND_GET_SINK_INPUT_INFO_LIST:
case COMMAND_GET_SOURCE_OUTPUT_INFO_LIST: case COMMAND_GET_SOURCE_OUTPUT_INFO_LIST:
@ -3319,6 +3447,49 @@ int sm_pulse_bridge_start(struct sm_media_session *session)
impl->context = session->context; impl->context = session->context;
spa_list_init(&impl->clients); spa_list_init(&impl->clients);
impl->default_sink = (struct device) {
.index = 1,
.name = "input.pipewire",
.direction = PW_DIRECTION_INPUT,
.props = pw_properties_new(
"device.description", "PipeWire Sink",
NULL),
.ss = (struct sample_spec) {
.format = SAMPLE_FLOAT32LE,
.rate = 44100,
.channels = 2, },
.volume = (struct cvolume) {
.channels = 2,
.values[0] = 1.0f,
.values[1] = 1.0f, },
.map = (struct channel_map) {
.channels = 2,
.map[0] = 1,
.map[1] = 2, },
.muted = false,
};
impl->default_source = (struct device) {
.index = 2,
.name = "output.pipewire",
.direction = PW_DIRECTION_OUTPUT,
.props = pw_properties_new(
"device.description", "PipeWire Source",
NULL),
.ss = (struct sample_spec) {
.format = SAMPLE_FLOAT32LE,
.rate = 44100,
.channels = 2, },
.volume = (struct cvolume) {
.channels = 2,
.values[0] = 1.0f,
.values[1] = 1.0f, },
.map = (struct channel_map) {
.channels = 2,
.map[0] = 1,
.map[1] = 2, },
.muted = false,
};
sm_media_session_add_listener(impl->session, sm_media_session_add_listener(impl->session,
&impl->listener, &impl->listener,
&session_events, impl); &session_events, impl);