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pulse-server: implement set_sample_rate

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This commit is contained in:
Wim Taymans 2021-01-12 13:14:05 +01:00
parent 7bd86df6df
commit 4cba8fc7e9
1 changed files with 15 additions and 1 deletions
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16
src/modules/module-protocol-pulse/pulse-server.c
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@ -185,6 +185,7 @@ struct stream {
struct buffer_attr attr;
uint32_t frame_size;
uint32_t minblock;
uint32_t rate;
struct volume volume;
bool muted;
@ -1297,6 +1298,7 @@ static void stream_param_changed(void *data, uint32_t id, const struct spa_pod *
return;
}
stream->minblock = MIN_BLOCK * stream->frame_size;
stream->rate = stream->ss.rate;
if (stream->create_tag != SPA_ID_INVALID) {
stream->id = pw_stream_get_node_id(stream->stream);
@ -1443,7 +1445,8 @@ static void stream_process(void *data)
if (stream->direction == PW_DIRECTION_OUTPUT) {
int32_t avail = spa_ringbuffer_get_read_index(&stream->ring, &pd.read_index);
minreq = SPA_MAX(stream->minblock, stream->attr.minreq);
minreq = SPA_MIN(minreq, stream->rate_match->size * stream->frame_size);
if (stream->rate_match)
minreq = SPA_MIN(minreq, stream->rate_match->size * stream->frame_size);
if (avail <= 0) {
/* underrun, produce a silence buffer */
size = SPA_MIN(buf->datas[0].maxsize, minreq);
@ -4186,6 +4189,7 @@ static int do_update_stream_sample_rate(struct client *client, uint32_t command,
uint32_t channel, rate;
struct stream *stream;
int res;
bool match;
if ((res = message_get(m,
TAG_U32, &channel,
@ -4200,6 +4204,16 @@ static int do_update_stream_sample_rate(struct client *client, uint32_t command,
if (stream == NULL || stream->type == STREAM_TYPE_UPLOAD)
return -ENOENT;
if (stream->rate_match == NULL)
return -ENOTSUP;
match = rate != stream->ss.rate;
stream->rate = rate;
stream->rate_match->rate = match ?
(double)rate/(double)stream->ss.rate : 1.0;
SPA_FLAG_UPDATE(stream->rate_match->flags,
SPA_IO_RATE_MATCH_FLAG_ACTIVE, match);
return reply_simple_ack(client, tag);
}