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alsa: force the rate and quantum for iec958 formats

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See #2284
This commit is contained in:
Wim Taymans 2023-10-19 10:42:58 +02:00
parent 42418bece5
commit 771f71f622
3 changed files with 6 additions and 2 deletions
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2
meson.build
View file

@ -98,7 +98,7 @@ common_flags = [
cc_flags = common_flags + [
'-D_GNU_SOURCE',
'-DFASTPATH',
# '-DFASTPATH',
# '-DSPA_DEBUG_MEMCPY',
'-Werror=implicit-function-declaration',
'-Werror=int-conversion',

5
spa/plugins/alsa/alsa-pcm.c
View file

@ -1529,6 +1529,7 @@ int spa_alsa_set_format(struct state *state, struct spa_audio_info *fmt, uint32_
state->have_format, state->started);
state->use_mmap = !state->disable_mmap;
state->force_position = false;
switch (fmt->media_subtype) {
case SPA_MEDIA_SUBTYPE_raw:
@ -1591,6 +1592,7 @@ int spa_alsa_set_format(struct state *state, struct spa_audio_info *fmt, uint32_
IEC958_AES0_CON_EMPHASIS_NONE | IEC958_AES0_NONAUDIO,
IEC958_AES1_CON_ORIGINAL | IEC958_AES1_CON_PCM_CODER,
0, aes3);
state->force_position = true;
break;
}
case SPA_MEDIA_SUBTYPE_dsd:
@ -2378,7 +2380,8 @@ static inline int check_position_config(struct state *state)
if (SPA_UNLIKELY((pos = state->position) == NULL))
return 0;
if (state->disable_tsched && state->started && !state->following) {
if (state->force_position ||
(state->disable_tsched && state->started && !state->following)) {
target_duration = state->period_frames;
target_rate = SPA_FRACTION(1, state->rate);
pos->clock.target_duration = target_duration;

1
spa/plugins/alsa/alsa-pcm.h
View file

@ -219,6 +219,7 @@ struct state {
unsigned int auto_link:1;
unsigned int linked:1;
unsigned int is_batch:1;
unsigned int force_position:1;
uint64_t iec958_codecs;