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Merge commit '14b4e64eabc84c5a5e57c8ccc56bbeb95380823b'

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* commit '14b4e64eabc84c5a5e57c8ccc56bbeb95380823b':
  g2meet: allow size changes within original sizes

Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-07-16 03:40:13 +02:00
commit f00bb086cb
1 changed files with 7 additions and 2 deletions
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9
libavcodec/g2meet.c
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@ -90,6 +90,7 @@ typedef struct G2MContext {
int compression;
int width, height, bpp;
int orig_width, orig_height;
int tile_width, tile_height;
int tiles_x, tiles_y, tile_x, tile_y;
@ -712,8 +713,8 @@ static int g2m_decode_frame(AVCodecContext *avctx, void *data,
}
c->width = bytestream2_get_be32(&bc);
c->height = bytestream2_get_be32(&bc);
if (c->width < 16 || c->width > avctx->width ||
c->height < 16 || c->height > avctx->height) {
if (c->width < 16 || c->width > c->orig_width ||
c->height < 16 || c->height > c->orig_height) {
av_log(avctx, AV_LOG_ERROR,
"Invalid frame dimensions %dx%d\n",
c->width, c->height);
@ -882,6 +883,10 @@ static av_cold int g2m_decode_init(AVCodecContext *avctx)
avctx->pix_fmt = AV_PIX_FMT_RGB24;
// store original sizes and check against those if resize happens
c->orig_width = avctx->width;
c->orig_height = avctx->height;
return 0;
}