void reinit_audio_chain(struct MPContext *mpctx)
{
struct MPOpts *opts = mpctx->opts;
struct track *track = mpctx->current_track[0][STREAM_AUDIO];
struct sh_stream *sh = track ? track->stream : NULL;
if (!sh) {
uninit_player(mpctx, INITIALIZED_AO);
goto no_audio;
}
mp_notify(mpctx, MPV_EVENT_AUDIO_RECONFIG, NULL);
if (!(mpctx->initialized_flags & INITIALIZED_ACODEC)) {
mpctx->initialized_flags |= INITIALIZED_ACODEC;
assert(!mpctx->d_audio);
mpctx->d_audio = talloc_zero(NULL, struct dec_audio);
mpctx->d_audio->log = mp_log_new(mpctx->d_audio, mpctx->log, "!ad");
mpctx->d_audio->global = mpctx->global;
mpctx->d_audio->opts = opts;
mpctx->d_audio->header = sh;
mpctx->d_audio->afilter = af_new(mpctx->global);
mpctx->d_audio->afilter->replaygain_data = sh->audio->replaygain_data;
mpctx->ao_buffer = mp_audio_buffer_create(NULL);
if (!audio_init_best_codec(mpctx->d_audio, opts->audio_decoders))
goto init_error;
reset_audio_state(mpctx);
if (mpctx->ao) {
struct mp_audio fmt;
ao_get_format(mpctx->ao, &fmt);
mp_audio_buffer_reinit(mpctx->ao_buffer, &fmt);
}
}
int audio_init_filters(struct dec_audio *d_audio, int in_samplerate,
int *out_samplerate, struct mp_chmap *out_channels,
int *out_format)
{
if (!d_audio->afilter)
d_audio->afilter = af_new(d_audio->global);
struct af_stream *afs = d_audio->afilter;
// input format: same as codec's output format:
mp_audio_buffer_get_format(d_audio->decode_buffer, &afs->input);
// Sample rate can be different when adjusting playback speed
afs->input.rate = in_samplerate;
// output format: same as ao driver's input format (if missing, fallback to input)
afs->output.rate = *out_samplerate;
mp_audio_set_channels(&afs->output, out_channels);
mp_audio_set_format(&afs->output, *out_format);
afs->metadata = d_audio->metadata;
afs->replaygain_data = d_audio->replaygain_data;
char *s_from = mp_audio_config_to_str(&afs->input);
char *s_to = mp_audio_config_to_str(&afs->output);
MP_VERBOSE(d_audio, "Building audio filter chain for %s -> %s...\n", s_from, s_to);
talloc_free(s_from);
talloc_free(s_to);
// let's autoprobe it!
if (af_init(afs) != 0) {
af_destroy(afs);
d_audio->afilter = NULL;
return 0; // failed :(
}
*out_samplerate = afs->output.rate;
*out_channels = afs->output.channels;
*out_format = afs->output.format;
return 1;
}
int init_audio_filters(sh_audio_t *sh_audio, int in_samplerate,
int *out_samplerate, struct mp_chmap *out_channels,
int *out_format)
{
if (!sh_audio->afilter)
sh_audio->afilter = af_new(sh_audio->opts);
struct af_stream *afs = sh_audio->afilter;
// input format: same as codec's output format:
afs->input.rate = in_samplerate;
mp_audio_set_channels(&afs->input, &sh_audio->channels);
mp_audio_set_format(&afs->input, sh_audio->sample_format);
// output format: same as ao driver's input format (if missing, fallback to input)
afs->output.rate = *out_samplerate;
mp_audio_set_channels(&afs->output, out_channels);
mp_audio_set_format(&afs->output, *out_format);
char *s_from = mp_audio_config_to_str(&afs->input);
char *s_to = mp_audio_config_to_str(&afs->output);
mp_tmsg(MSGT_DECAUDIO, MSGL_V,
"Building audio filter chain for %s -> %s...\n", s_from, s_to);
talloc_free(s_from);
talloc_free(s_to);
// let's autoprobe it!
if (af_init(afs) != 0) {
af_destroy(afs);
sh_audio->afilter = NULL;
return 0; // failed :(
}
*out_samplerate = afs->output.rate;
*out_channels = afs->output.channels;
*out_format = afs->output.format;
return 1;
}
