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examples: count the params as we add them

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Count the params as we add them to the param arrays and use that to
update the stream params instead of using hardcoded indexes and sizes.

This makes it easier to add params and it also revealed a miscounted
param.
This commit is contained in:
Wim Taymans 2025-09-19 13:07:19 +02:00
parent 83242a5c3c
commit b57c6d3729
15 changed files with 115 additions and 89 deletions
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5
src/examples/audio-src.c
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@ -101,6 +101,7 @@ int main(int argc, char *argv[])
{
struct data data = { 0, };
const struct spa_pod *params[1];
uint32_t n_params = 0;
uint8_t buffer[1024];
struct pw_properties *props;
struct spa_pod_builder b = SPA_POD_BUILDER_INIT(buffer, sizeof(buffer));
@ -141,7 +142,7 @@ int main(int argc, char *argv[])
/* Make one parameter with the supported formats. The SPA_PARAM_EnumFormat
* id means that this is a format enumeration (of 1 value). */
params[0] = spa_format_audio_raw_build(&b, SPA_PARAM_EnumFormat,
params[n_params++] = spa_format_audio_raw_build(&b, SPA_PARAM_EnumFormat,
&SPA_AUDIO_INFO_RAW_INIT(
.format = SPA_AUDIO_FORMAT_F32,
.channels = DEFAULT_CHANNELS,
@ -155,7 +156,7 @@ int main(int argc, char *argv[])
PW_STREAM_FLAG_AUTOCONNECT |
PW_STREAM_FLAG_MAP_BUFFERS |
PW_STREAM_FLAG_RT_PROCESS,
params, 1);
params, n_params);
/* and wait while we let things run */
pw_main_loop_run(data.loop);