CC:[email protected]
---
Thanks Kostya for the helpful guidance.
Vittorio
libavcodec/g2meet.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/libavcodec/g2meet.c b/libavcodec/g2meet.c
index 456045d..c405f38 100644
--- a/libavcodec/g2meet.c
+++ b/libavcodec/g2meet.c
@@ -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;
@@ -710,8 +711,8 @@ 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);
@@ -875,6 +876,10 @@ 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;
}
--
1.8.5.2 (Apple Git-48)
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