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vp56: don't reset dimensions to 0 in codec init

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Originally committed as revision 16140 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Aurelien Jacobs 2008-12-15 00:00:16 +00:00
parent b9b2b8c93b
commit bf73801bec
3 changed files with 4 additions and 4 deletions
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3
libavcodec/vp5.c
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@ -58,7 +58,8 @@ static int vp5_parse_header(VP56Context *s, const uint8_t *buf, int buf_size,
vp56_rac_gets(c, 8); /* number of displayed macroblock rows */
vp56_rac_gets(c, 8); /* number of displayed macroblock cols */
vp56_rac_gets(c, 2);
if (16*cols != s->avctx->coded_width ||
if (!s->macroblocks || /* first frame */
16*cols != s->avctx->coded_width ||
16*rows != s->avctx->coded_height) {
avcodec_set_dimensions(s->avctx, 16*cols, 16*rows);
return 2;

2
libavcodec/vp56.c
View file

@ -657,8 +657,6 @@ av_cold void vp56_init(AVCodecContext *avctx, int flip, int has_alpha)
dsputil_init(&s->dsp, avctx);
ff_init_scantable(s->dsp.idct_permutation, &s->scantable,ff_zigzag_direct);
avcodec_set_dimensions(avctx, 0, 0);
for (i=0; i<4; i++)
s->framep[i] = &s->frames[i];
s->framep[VP56_FRAME_UNUSED] = s->framep[VP56_FRAME_GOLDEN];

3
libavcodec/vp6.c
View file

@ -75,7 +75,8 @@ static int vp6_parse_header(VP56Context *s, const uint8_t *buf, int buf_size,
/* buf[4] is number of displayed macroblock rows */
/* buf[5] is number of displayed macroblock cols */
if (16*cols != s->avctx->coded_width ||
if (!s->macroblocks || /* first frame */
16*cols != s->avctx->coded_width ||
16*rows != s->avctx->coded_height) {
avcodec_set_dimensions(s->avctx, 16*cols, 16*rows);
if (s->avctx->extradata_size == 1) {