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Code Issues Releases Activity

Use skip_bits_long() for large skips

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This fixes ogg/theora on ARM (more generally the A32 bitstream reader)

Originally committed as revision 18819 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
David Conrad
2009-05-14 00:02:07 +00:00
parent 97d4318347
commit 0a8dedc9e1
4 changed files with 5 additions and 5 deletions
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2
libavcodec/mpc7.c
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@@ -78,7 +78,7 @@ static av_cold int mpc7_decode_init(AVCodecContext * avctx)
av_log(avctx, AV_LOG_ERROR, "Too many bands: %i\n", c->maxbands);
return -1;
}
skip_bits(&gb, 88);
skip_bits_long(&gb, 88);
c->gapless = get_bits1(&gb);
c->lastframelen = get_bits(&gb, 11);
av_log(avctx, AV_LOG_DEBUG, "IS: %d, MSS: %d, TG: %d, LFL: %d, bands: %d\n",

2
libavcodec/nellymoserdec.c
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@@ -103,7 +103,7 @@ static void nelly_decode_block(NellyMoserDecodeContext *s,
aptr = audio + i * NELLY_BUF_LEN;
init_get_bits(&s->gb, block, NELLY_BLOCK_LEN * 8);
skip_bits(&s->gb, NELLY_HEADER_BITS + i*NELLY_DETAIL_BITS);
skip_bits_long(&s->gb, NELLY_HEADER_BITS + i*NELLY_DETAIL_BITS);
for (j = 0; j < NELLY_FILL_LEN; j++) {
if (bits[j] <= 0) {

2
libavcodec/vp3.c
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@@ -2243,7 +2243,7 @@ static av_cold int theora_decode_init(AVCodecContext *avctx)
}
// FIXME: Check for this as well.
skip_bits(&gb, 6*8); /* "theora" */
skip_bits_long(&gb, 6*8); /* "theora" */
switch(ptype)
{

4
libavformat/oggparsetheora.c
View File

@@ -58,7 +58,7 @@ theora_header (AVFormatContext * s, int idx)
init_get_bits(&gb, os->buf + os->pstart, os->psize*8);
skip_bits(&gb, 7*8); /* 0x80"theora" */
skip_bits_long(&gb, 7*8); /* 0x80"theora" */
thp->version = get_bits_long(&gb, 24);
if (thp->version < 0x030100)
@@ -92,7 +92,7 @@ theora_header (AVFormatContext * s, int idx)
st->sample_aspect_ratio.den = get_bits_long(&gb, 24);
if (thp->version >= 0x030200)
skip_bits(&gb, 38);
skip_bits_long(&gb, 38);
if (thp->version >= 0x304000)
skip_bits(&gb, 2);