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examples/video-src-fixate: Split out format param handler

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This commit is contained in:
Jonas Ådahl 2025-11-10 22:08:47 +01:00 • committed by Wim Taymans
parent 13131706aa
commit 01627e0367
1 changed files with 18 additions and 8 deletions
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26
src/examples/video-src-fixate.c
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@ -359,8 +359,7 @@ static void on_stream_remove_buffer(void *_data, struct pw_buffer *buffer)
close(d[0].fd); close(d[0].fd);
} }
/* Be notified when the stream param changes. We're only looking at the /* Be notified when the stream format param changes.
* format param.
* *
* We are now supposed to call pw_stream_update_params() with success or * We are now supposed to call pw_stream_update_params() with success or
* failure, depending on if we can support the format. Because we gave * failure, depending on if we can support the format. Because we gave
@ -371,9 +370,8 @@ static void on_stream_remove_buffer(void *_data, struct pw_buffer *buffer)
* that we would like on our buffer, the size, alignment, etc. * that we would like on our buffer, the size, alignment, etc.
*/ */
static void static void
on_stream_param_changed(void *_data, uint32_t id, const struct spa_pod *param) on_stream_format_changed(struct data *data, const struct spa_pod *param)
{ {
struct data *data = _data;
struct pw_stream *stream = data->stream; struct pw_stream *stream = data->stream;
uint8_t params_buffer[1024]; uint8_t params_buffer[1024];
struct spa_pod_builder b = SPA_POD_BUILDER_INIT(params_buffer, sizeof(params_buffer)); struct spa_pod_builder b = SPA_POD_BUILDER_INIT(params_buffer, sizeof(params_buffer));
@ -381,10 +379,7 @@ on_stream_param_changed(void *_data, uint32_t id, const struct spa_pod *param)
uint32_t n_params = 0; uint32_t n_params = 0;
int blocks, size, stride, buffertypes; int blocks, size, stride, buffertypes;
if (param == NULL || id != SPA_PARAM_Format) printf("format param changed: \n");
return;
printf("param changed: \n");
spa_debug_format(4, NULL, param); spa_debug_format(4, NULL, param);
spa_format_video_raw_parse(param, &data->format); spa_format_video_raw_parse(param, &data->format);
@ -471,6 +466,21 @@ on_stream_param_changed(void *_data, uint32_t id, const struct spa_pod *param)
pw_stream_update_params(stream, params, n_params); pw_stream_update_params(stream, params, n_params);
} }
static void
on_stream_param_changed(void *_data, uint32_t id, const struct spa_pod *param)
{
struct data *data = _data;
if (param == NULL)
return;
switch (id) {
case SPA_PARAM_Format:
on_stream_format_changed(data, param);
break;
}
}
static const struct pw_stream_events stream_events = { static const struct pw_stream_events stream_events = {
PW_VERSION_STREAM_EVENTS, PW_VERSION_STREAM_EVENTS,
.process = on_process, .process = on_process,