diff options
Diffstat (limited to 'audio/decode/dec_audio.c')
-rw-r--r-- | audio/decode/dec_audio.c | 72 |
1 files changed, 31 insertions, 41 deletions
diff --git a/audio/decode/dec_audio.c b/audio/decode/dec_audio.c index cac33a9a31..dc461b81e3 100644 --- a/audio/decode/dec_audio.c +++ b/audio/decode/dec_audio.c @@ -41,22 +41,14 @@ int fakemono = 0; -struct af_cfg af_cfg = {1, NULL}; // Configuration for audio filters +struct af_cfg af_cfg = {0}; // Configuration for audio filters static int init_audio_codec(sh_audio_t *sh_audio, const char *decoder) { assert(!sh_audio->initialized); resync_audio_stream(sh_audio); - sh_audio->samplesize = 2; - sh_audio->sample_format = AF_FORMAT_S16_NE; - if ((af_cfg.force & AF_INIT_FORMAT_MASK) == AF_INIT_FLOAT) { - int fmt = AF_FORMAT_FLOAT_NE; - if (sh_audio->ad_driver->control(sh_audio, ADCTRL_QUERY_FORMAT, - &fmt) == CONTROL_TRUE) { - sh_audio->sample_format = fmt; - sh_audio->samplesize = 4; - } - } + sh_audio->samplesize = 4; + sh_audio->sample_format = AF_FORMAT_FLOAT_NE; sh_audio->audio_out_minsize = 8192; // default, preinit() may change it if (!sh_audio->ad_driver->preinit(sh_audio)) { mp_tmsg(MSGT_DECAUDIO, MSGL_ERR, "Audio decoder preinit failed.\n"); @@ -94,7 +86,7 @@ static int init_audio_codec(sh_audio_t *sh_audio, const char *decoder) sh_audio->initialized = 1; - if (!sh_audio->channels || !sh_audio->samplerate) { + if (mp_chmap_is_empty(&sh_audio->channels) || !sh_audio->samplerate) { mp_tmsg(MSGT_DECAUDIO, MSGL_ERR, "Audio decoder did not specify " "audio format!\n"); uninit_audio(sh_audio); // free buffers @@ -102,7 +94,7 @@ static int init_audio_codec(sh_audio_t *sh_audio, const char *decoder) } if (!sh_audio->o_bps) - sh_audio->o_bps = sh_audio->channels * sh_audio->samplerate + sh_audio->o_bps = sh_audio->channels.num * sh_audio->samplerate * sh_audio->samplesize; return 1; } @@ -168,14 +160,14 @@ int init_best_audio_codec(sh_audio_t *sh_audio, char *audio_decoders) sh_audio->gsh->decoder_desc); mp_msg(MSGT_DECAUDIO, MSGL_V, "AUDIO: %d Hz, %d ch, %s, %3.1f kbit/%3.2f%% (ratio: %d->%d)\n", - sh_audio->samplerate, sh_audio->channels, + sh_audio->samplerate, sh_audio->channels.num, af_fmt2str_short(sh_audio->sample_format), sh_audio->i_bps * 8 * 0.001, ((float) sh_audio->i_bps / sh_audio->o_bps) * 100.0, sh_audio->i_bps, sh_audio->o_bps); mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_AUDIO_BITRATE=%d\nID_AUDIO_RATE=%d\n" "ID_AUDIO_NCH=%d\n", - sh_audio->i_bps * 8, sh_audio->samplerate, sh_audio->channels); + sh_audio->i_bps * 8, sh_audio->samplerate, sh_audio->channels.num); } else { mp_msg(MSGT_DECAUDIO, MSGL_ERR, "Failed to initialize an audio decoder for codec '%s'.\n", @@ -191,7 +183,7 @@ void uninit_audio(sh_audio_t *sh_audio) if (sh_audio->afilter) { mp_msg(MSGT_DECAUDIO, MSGL_V, "Uninit audio filters...\n"); af_uninit(sh_audio->afilter); - free(sh_audio->afilter); + af_destroy(sh_audio->afilter); sh_audio->afilter = NULL; } if (sh_audio->initialized) { @@ -207,43 +199,41 @@ void uninit_audio(sh_audio_t *sh_audio) int init_audio_filters(sh_audio_t *sh_audio, int in_samplerate, - int *out_samplerate, int *out_channels, int *out_format) + int *out_samplerate, struct mp_chmap *out_channels, + int *out_format) { struct af_stream *afs = sh_audio->afilter; - if (!afs) { - afs = calloc(1, sizeof(struct af_stream)); - afs->opts = sh_audio->opts; - } + if (!afs) + afs = af_new(sh_audio->opts); // input format: same as codec's output format: - afs->input.rate = in_samplerate; - afs->input.nch = sh_audio->channels; - afs->input.format = sh_audio->sample_format; - af_fix_parameters(&(afs->input)); + 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; - afs->output.nch = *out_channels; - afs->output.format = *out_format; - af_fix_parameters(&(afs->output)); + afs->output.rate = *out_samplerate; + mp_audio_set_channels(&afs->output, out_channels); + mp_audio_set_format(&afs->output, *out_format); // filter config: memcpy(&afs->cfg, &af_cfg, sizeof(struct af_cfg)); + 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 %dHz/%dch/%s -> %dHz/%dch/%s...\n", - afs->input.rate, afs->input.nch, - af_fmt2str_short(afs->input.format), afs->output.rate, - afs->output.nch, af_fmt2str_short(afs->output.format)); + "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 (0 != af_init(afs)) { sh_audio->afilter = NULL; - free(afs); + af_destroy(afs); return 0; // failed :( } *out_samplerate = afs->output.rate; - *out_channels = afs->output.nch; + *out_channels = afs->output.channels; *out_format = afs->output.format; // ok! @@ -270,7 +260,7 @@ static int filter_n_bytes(sh_audio_t *sh, struct bstr *outbuf, int len) // Decode more bytes if needed int old_samplerate = sh->samplerate; - int old_channels = sh->channels; + struct mp_chmap old_channels = sh->channels; int old_sample_format = sh->sample_format; while (sh->a_buffer_len < len) { unsigned char *buf = sh->a_buffer + sh->a_buffer_len; @@ -278,7 +268,7 @@ static int filter_n_bytes(sh_audio_t *sh, struct bstr *outbuf, int len) int maxlen = sh->a_buffer_size - sh->a_buffer_len; int ret = sh->ad_driver->decode_audio(sh, buf, minlen, maxlen); int format_change = sh->samplerate != old_samplerate - || sh->channels != old_channels + || !mp_chmap_equals(&sh->channels, &old_channels) || sh->sample_format != old_sample_format; if (ret <= 0 || format_change) { error = format_change ? -2 : -1; @@ -294,10 +284,10 @@ static int filter_n_bytes(sh_audio_t *sh, struct bstr *outbuf, int len) .audio = sh->a_buffer, .len = len, .rate = sh->samplerate, - .nch = sh->channels, - .format = sh->sample_format }; - af_fix_parameters(&filter_input); + mp_audio_set_format(&filter_input, sh->sample_format); + mp_audio_set_channels(&filter_input, &sh->channels); + struct mp_audio *filter_output = af_play(sh->afilter, &filter_input); if (!filter_output) return -1; @@ -325,7 +315,7 @@ int decode_audio(sh_audio_t *sh_audio, struct bstr *outbuf, int minlen) // Indicates that a filter seems to be buffering large amounts of data int huge_filter_buffer = 0; // Decoded audio must be cut at boundaries of this many bytes - int unitsize = sh_audio->channels * sh_audio->samplesize * 16; + int unitsize = sh_audio->channels.num * sh_audio->samplesize * 16; /* Filter output size will be about filter_multiplier times input size. * If some filter buffers audio in big blocks this might only hold |