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ffplay: restructure audio stream opening code

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Preparation for -af support.

Signed-off-by: Marton Balint <cus@passwd.hu>
This commit is contained in:
Marton Balint 2013-03-02 14:38:23 +01:00
parent 286153ea48
commit 1822519d2a
1 changed files with 12 additions and 12 deletions
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24
ffplay.c
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@ -2049,7 +2049,7 @@ static int audio_decode_frame(VideoState *is)
AVPacket *pkt_temp = &is->audio_pkt_temp;
AVPacket *pkt = &is->audio_pkt;
AVCodecContext *dec = is->audio_st->codec;
int len1, len2, data_size, resampled_data_size;
int len1, data_size, resampled_data_size;
int64_t dec_channel_layout;
int got_frame;
av_unused double audio_clock0;
@ -2126,6 +2126,7 @@ static int audio_decode_frame(VideoState *is)
uint8_t **out = &is->audio_buf1;
int out_count = (int64_t)wanted_nb_samples * is->audio_tgt.freq / is->frame->sample_rate + 256;
int out_size = av_samples_get_buffer_size(NULL, is->audio_tgt.channels, out_count, is->audio_tgt.fmt, 0);
int len2;
if (wanted_nb_samples != is->frame->nb_samples) {
if (swr_set_compensation(is->swr_ctx, (wanted_nb_samples - is->frame->nb_samples) * is->audio_tgt.freq / is->frame->sample_rate,
wanted_nb_samples * is->audio_tgt.freq / is->frame->sample_rate) < 0) {
@ -2302,6 +2303,7 @@ static int stream_component_open(VideoState *is, int stream_index)
const char *forced_codec_name = NULL;
AVDictionary *opts;
AVDictionaryEntry *t = NULL;
int ret;
if (stream_index < 0 || stream_index >= ic->nb_streams)
return -1;
@ -2353,20 +2355,14 @@ static int stream_component_open(VideoState *is, int stream_index)
return AVERROR_OPTION_NOT_FOUND;
}
/* prepare audio output */
if (avctx->codec_type == AVMEDIA_TYPE_AUDIO) {
int audio_hw_buf_size = audio_open(is, avctx->channel_layout, avctx->channels, avctx->sample_rate, &is->audio_src);
if (audio_hw_buf_size < 0)
return -1;
is->audio_hw_buf_size = audio_hw_buf_size;
is->audio_tgt = is->audio_src;
}
ic->streams[stream_index]->discard = AVDISCARD_DEFAULT;
switch (avctx->codec_type) {
case AVMEDIA_TYPE_AUDIO:
is->audio_stream = stream_index;
is->audio_st = ic->streams[stream_index];
/* prepare audio output */
if ((ret = audio_open(is, avctx->channel_layout, avctx->channels, avctx->sample_rate, &is->audio_tgt)) < 0)
return ret;
is->audio_hw_buf_size = ret;
is->audio_src = is->audio_tgt;
is->audio_buf_size = 0;
is->audio_buf_index = 0;
@ -2379,6 +2375,10 @@ static int stream_component_open(VideoState *is, int stream_index)
memset(&is->audio_pkt, 0, sizeof(is->audio_pkt));
memset(&is->audio_pkt_temp, 0, sizeof(is->audio_pkt_temp));
is->audio_stream = stream_index;
is->audio_st = ic->streams[stream_index];
packet_queue_start(&is->audioq);
SDL_PauseAudio(0);
break;