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mpegvideo: check ff_find_unused_picture() return value for errors

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This commit is contained in:
Janne Grunau 2012-09-08 15:56:52 +02:00
parent 32c7589bb7
commit 01fc5d6609
1 changed files with 12 additions and 0 deletions
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12
libavcodec/mpegvideo.c
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@ -1341,6 +1341,10 @@ int ff_MPV_frame_start(MpegEncContext *s, AVCodecContext *avctx)
pic = s->current_picture_ptr;
} else {
i = ff_find_unused_picture(s, 0);
if (i < 0) {
av_log(s->avctx, AV_LOG_ERROR, "no frame buffer available\n");
return i;
}
pic = &s->picture[i];
}
@ -1404,6 +1408,10 @@ int ff_MPV_frame_start(MpegEncContext *s, AVCodecContext *avctx)
/* Allocate a dummy frame */
i = ff_find_unused_picture(s, 0);
if (i < 0) {
av_log(s->avctx, AV_LOG_ERROR, "no frame buffer available\n");
return i;
}
s->last_picture_ptr = &s->picture[i];
if (ff_alloc_picture(s, s->last_picture_ptr, 0) < 0) {
s->last_picture_ptr = NULL;
@ -1418,6 +1426,10 @@ int ff_MPV_frame_start(MpegEncContext *s, AVCodecContext *avctx)
s->pict_type == AV_PICTURE_TYPE_B) {
/* Allocate a dummy frame */
i = ff_find_unused_picture(s, 0);
if (i < 0) {
av_log(s->avctx, AV_LOG_ERROR, "no frame buffer available\n");
return i;
}
s->next_picture_ptr = &s->picture[i];
if (ff_alloc_picture(s, s->next_picture_ptr, 0) < 0) {
s->next_picture_ptr = NULL;