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spa: add spa_audio_parse_position_n

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Add a function that accepts the size of the position array when reading
the audio positions. This makes it possible to decouple the position
array size from SPA_AUDIO_MAX_CHANNELS.

Also use SPA_N_ELEMENTS to pass the number of array elements to
functions instead of a fixed constant. This makes it easier to change
the array size later to a different constant without having to patch up
all the places where the size is used.
This commit is contained in:
Wim Taymans 2025-10-20 15:16:54 +02:00
parent 9e7cae13df
commit 8bbca3b8f3
27 changed files with 84 additions and 63 deletions
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6
src/modules/module-combine-stream.c
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@ -866,13 +866,15 @@ static int create_stream(struct stream_info *info)
s->info = impl->info;
if ((str = pw_properties_get(info->stream_props, SPA_KEY_AUDIO_POSITION)) != NULL)
spa_audio_parse_position(str, strlen(str), s->info.position, &s->info.channels);
spa_audio_parse_position_n(str, strlen(str), s->info.position,
SPA_N_ELEMENTS(s->info.position), &s->info.channels);
if (s->info.channels == 0)
s->info = impl->info;
spa_zero(remap_info);
if ((str = pw_properties_get(info->stream_props, "combine.audio.position")) != NULL)
spa_audio_parse_position(str, strlen(str), remap_info.position, &remap_info.channels);
spa_audio_parse_position_n(str, strlen(str), remap_info.position,
SPA_N_ELEMENTS(remap_info.position), &remap_info.channels);
if (remap_info.channels == 0)
remap_info = s->info;