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Code Issues Releases Activity

Simplify AVCodecContext usage within FFplay audio_decode_frame()

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Originally committed as revision 14503 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Peter Ross 2008-08-02 01:26:38 +00:00
parent a78d882d76
commit abdff64682
1 changed files with 5 additions and 4 deletions
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9
ffplay.c
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@ -1571,6 +1571,7 @@ static int synchronize_audio(VideoState *is, short *samples,
static int audio_decode_frame(VideoState *is, uint8_t *audio_buf, int buf_size, double *pts_ptr) static int audio_decode_frame(VideoState *is, uint8_t *audio_buf, int buf_size, double *pts_ptr)
{ {
AVPacket *pkt = &is->audio_pkt; AVPacket *pkt = &is->audio_pkt;
AVCodecContext *dec= is->audio_st->codec;
int n, len1, data_size; int n, len1, data_size;
double pts; double pts;
@ -1578,7 +1579,7 @@ static int audio_decode_frame(VideoState *is, uint8_t *audio_buf, int buf_size,
/* NOTE: the audio packet can contain several frames */ /* NOTE: the audio packet can contain several frames */
while (is->audio_pkt_size > 0) { while (is->audio_pkt_size > 0) {
data_size = buf_size; data_size = buf_size;
len1 = avcodec_decode_audio2(is->audio_st->codec, len1 = avcodec_decode_audio2(dec,
(int16_t *)audio_buf, &data_size, (int16_t *)audio_buf, &data_size,
is->audio_pkt_data, is->audio_pkt_size); is->audio_pkt_data, is->audio_pkt_size);
if (len1 < 0) { if (len1 < 0) {
@ -1594,9 +1595,9 @@ static int audio_decode_frame(VideoState *is, uint8_t *audio_buf, int buf_size,
/* if no pts, then compute it */ /* if no pts, then compute it */
pts = is->audio_clock; pts = is->audio_clock;
*pts_ptr = pts; *pts_ptr = pts;
n = 2 * is->audio_st->codec->channels; n = 2 * dec->channels;
is->audio_clock += (double)data_size / is->audio_clock += (double)data_size /
(double)(n * is->audio_st->codec->sample_rate); (double)(n * dec->sample_rate);
#if defined(DEBUG_SYNC) #if defined(DEBUG_SYNC)
{ {
static double last_clock; static double last_clock;
@ -1621,7 +1622,7 @@ static int audio_decode_frame(VideoState *is, uint8_t *audio_buf, int buf_size,
if (packet_queue_get(&is->audioq, pkt, 1) < 0) if (packet_queue_get(&is->audioq, pkt, 1) < 0)
return -1; return -1;
if(pkt->data == flush_pkt.data){ if(pkt->data == flush_pkt.data){
avcodec_flush_buffers(is->audio_st->codec); avcodec_flush_buffers(dec);
continue; continue;
} }