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allocate slice buffer after parsing the header containing needed parameters

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argh i really wish i had never accepted these slice patches ...

Originally committed as revision 10453 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2007-09-09 12:33:34 +00:00
parent ba8964db60
commit 014f9d233f
1 changed files with 4 additions and 7 deletions
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11
libavcodec/snow.c
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@ -580,12 +580,9 @@ static void slice_buffer_destroy(slice_buffer * buf)
for (i = buf->data_count - 1; i >= 0; i--)
{
assert(buf->data_stack[i]);
av_freep(&buf->data_stack[i]);
}
assert(buf->data_stack);
av_freep(&buf->data_stack);
assert(buf->line);
av_freep(&buf->line);
}
@ -4398,15 +4395,11 @@ static int encode_end(AVCodecContext *avctx)
static int decode_init(AVCodecContext *avctx)
{
SnowContext *s = avctx->priv_data;
int block_size;
avctx->pix_fmt= PIX_FMT_YUV420P;
common_init(avctx);
block_size = MB_SIZE >> s->block_max_depth;
slice_buffer_init(&s->sb, s->plane[0].height, block_size + s->spatial_decomposition_count * 8 + 1, s->plane[0].width, s->spatial_idwt_buffer);
return 0;
}
@ -4423,6 +4416,10 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, uint8
s->current_picture.pict_type= FF_I_TYPE; //FIXME I vs. P
decode_header(s);
// realloc slice buffer for the case that spatial_decomposition_count changed
slice_buffer_destroy(&s->sb);
slice_buffer_init(&s->sb, s->plane[0].height, (MB_SIZE >> s->block_max_depth) + s->spatial_decomposition_count * 8 + 1, s->plane[0].width, s->spatial_idwt_buffer);
for(plane_index=0; plane_index<3; plane_index++){
Plane *p= &s->plane[plane_index];
p->fast_mc= p->diag_mc && p->htaps==6 && p->hcoeff[0]==40