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rawdec: ensure that there is always a valid palette for formats that

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should have one like gray8 etc.

Originally committed as revision 25190 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Reimar Döffinger 2010-09-25 08:44:35 +00:00
parent f0a5543898
commit b641982b23
1 changed files with 6 additions and 1 deletions
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7
libavcodec/rawdec.c
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@ -25,8 +25,10 @@
*/
#include "avcodec.h"
#include "imgconvert.h"
#include "raw.h"
#include "libavutil/intreadwrite.h"
#include "libavcore/imgutils.h"
typedef struct RawVideoContext {
uint32_t palette[AVPALETTE_COUNT];
@ -81,6 +83,7 @@ static av_cold int raw_init_decoder(AVCodecContext *avctx)
else if (avctx->pix_fmt == PIX_FMT_NONE && avctx->bits_per_coded_sample)
avctx->pix_fmt = find_pix_fmt(pix_fmt_bps_avi, avctx->bits_per_coded_sample);
ff_set_systematic_pal(context->palette, avctx->pix_fmt);
context->length = avpicture_get_size(avctx->pix_fmt, avctx->width, avctx->height);
if((avctx->bits_per_coded_sample == 4 || avctx->bits_per_coded_sample == 2) &&
avctx->pix_fmt==PIX_FMT_PAL8 &&
@ -148,7 +151,9 @@ static int raw_decode(AVCodecContext *avctx,
return -1;
avpicture_fill(picture, buf, avctx->pix_fmt, avctx->width, avctx->height);
if(avctx->pix_fmt==PIX_FMT_PAL8 && buf_size < context->length){
if((avctx->pix_fmt==PIX_FMT_PAL8 && buf_size < context->length) ||
(avctx->pix_fmt!=PIX_FMT_PAL8 &&
(av_pix_fmt_descriptors[avctx->pix_fmt].flags & PIX_FMT_PAL))){
frame->data[1]= context->palette;
}
if (avctx->palctrl && avctx->palctrl->palette_changed) {