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* and finaly avoid deadlock at the end of audio stream 

Originally committed as revision 183 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Zdenek Kabelac 2001-10-23 20:20:01 +00:00
parent de5123dc35
commit 2d83f323d6
1 changed files with 9 additions and 10 deletions
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19
libavcodec/mpegaudiodec.c
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@ -2271,9 +2271,9 @@ static int decode_frame(AVCodecContext * avctx,
if (len > buf_size)
len = buf_size;
else if (len > 0) {
memcpy(s->inbuf_ptr, buf_ptr, len);
buf_ptr += len;
buf_size -= len;
memcpy(s->inbuf_ptr, buf_ptr, len);
buf_ptr += len;
buf_size -= len;
s->inbuf_ptr += len;
}
if ((s->inbuf_ptr - s->inbuf) >= HEADER_SIZE) {
@ -2282,7 +2282,7 @@ static int decode_frame(AVCodecContext * avctx,
(s->inbuf[2] << 8) | s->inbuf[3];
if (check_header(header) < 0) {
/* no sync found : move by one byte (inefficient, but simple!) */
memcpy(s->inbuf, s->inbuf + 1, s->inbuf_ptr - s->inbuf);
memcpy(s->inbuf, s->inbuf + 1, s->inbuf_ptr - s->inbuf - 1);
s->inbuf_ptr--;
dprintf("skip %x\n", header);
/* reset free format frame size to give a chance
@ -2291,14 +2291,14 @@ static int decode_frame(AVCodecContext * avctx,
} else {
if (decode_header(s, header) == 1) {
/* free format: compute frame size */
s->frame_size = -1;
memcpy(s->inbuf, s->inbuf + 1, s->inbuf_ptr - s->inbuf);
s->frame_size = -1;
memcpy(s->inbuf, s->inbuf + 1, s->inbuf_ptr - s->inbuf - 1);
s->inbuf_ptr--;
} else {
/* update codec info */
avctx->sample_rate = s->sample_rate;
avctx->channels = s->nb_channels;
avctx->bit_rate = s->bit_rate;
avctx->bit_rate = s->bit_rate;
}
}
}
@ -2359,13 +2359,12 @@ static int decode_frame(AVCodecContext * avctx,
len = s->frame_size - len;
if (len > buf_size)
len = buf_size;
else if (len > 0)
{
else if (len < 4)
len = buf_size > 4 ? 4 : buf_size;
memcpy(s->inbuf_ptr, buf_ptr, len);
buf_ptr += len;
s->inbuf_ptr += len;
buf_size -= len;
}
} else {
out_size = mp_decode_frame(s, out_samples);
s->inbuf_ptr = s->inbuf;