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alsa: only use default rate and channels when valid

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Check the user provided rate and channels and only use them to limit the
rate and channels when they are valid.
This commit is contained in:
Wim Taymans 2025-05-08 18:16:53 +02:00
parent e7610de305
commit a66377cf42
1 changed files with 15 additions and 10 deletions
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25
spa/plugins/alsa/alsa-pcm.c
View file

@ -1568,15 +1568,18 @@ static int add_channels(struct state *state, bool all, uint32_t index, uint32_t
spa_log_debug(state->log, "channels (%d %d) default:%d all:%d",
min, max, state->default_channels, all);
if (state->default_channels != 0 && !all) {
if (min < state->default_channels)
min = state->default_channels;
if (max > state->default_channels)
max = state->default_channels;
}
min = SPA_MIN(min, SPA_AUDIO_MAX_CHANNELS);
max = SPA_MIN(max, SPA_AUDIO_MAX_CHANNELS);
if (state->default_channels != 0 && !all) {
if (min > state->default_channels ||
max < state->default_channels)
spa_log_warn(state->log, "given audio.channels %d out of range:%d-%d",
state->default_channels, min, max);
else
min = max = state->default_channels;
}
spa_pod_builder_prop(b, SPA_FORMAT_AUDIO_channels, 0);
if (state->props.use_chmap && (maps = snd_pcm_query_chmaps(hndl)) != NULL) {
@ -1847,10 +1850,12 @@ static int enum_iec958_formats(struct state *state, uint32_t index, uint32_t *ne
spa_log_debug(state->log, "rate (%d %d)", rmin, rmax);
if (state->default_rate != 0) {
if (rmin < state->default_rate)
rmin = state->default_rate;
if (rmax > state->default_rate)
rmax = state->default_rate;
if (rmin > state->default_rate ||
rmax < state->default_rate)
spa_log_warn(state->log, "given audio.rate %d out of range:%d-%d",
state->default_rate, rmin, rmax);
else
rmin = rmax = state->default_rate;
}
spa_pod_builder_prop(b, SPA_FORMAT_AUDIO_iec958Codec, 0);