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skip preamble bytes

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Originally committed as revision 2189 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Mike Melanson 2003-09-01 15:53:01 +00:00
parent 8d876a433c
commit 421e085903
1 changed files with 4 additions and 1 deletions
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5
libavcodec/mdec.c
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@ -196,11 +196,14 @@ static int decode_frame(AVCodecContext *avctx,
// a->dsp.bswap_buf((uint32_t*)a->bitstream_buffer, (uint32_t*)buf, buf_size/4);
init_get_bits(&a->gb, a->bitstream_buffer, buf_size*8);
/* skip over 4 preamble bytes in stream (typically 0xXX 0xXX 0x00 0x38) */
skip_bits(&a->gb, 32);
a->qscale= get_bits(&a->gb, 16);
a->version= get_bits(&a->gb, 16);
skip_bits(&a->gb, 8*8);
printf("qscale:%d, version:%d\n", a->qscale, a->version);
printf("qscale:%d (0x%X), version:%d (0x%X)\n", a->qscale, a->qscale, a->version, a->version);
for(a->mb_y=0; a->mb_y<a->mb_height; a->mb_y++){
for(a->mb_x=0; a->mb_x<a->mb_width; a->mb_x++){