diff options
| author | Michael Niedermayer <michaelni@gmx.at> | 2015-05-05 04:15:31 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2015-05-05 04:33:44 +0200 |
| commit | 7f45f7fc7f4977e3a0697dfa0771015b4b985e24 (patch) | |
| tree | f13e54d7794c93f06a688b53663ce2b5116df21d | |
| parent | 6ef3426d90a316d710476326aa863b1c56f9c2a0 (diff) | |
avcodec/mpeg12dec: use the correct dimensions for checking SAR
Fixes Ticket4533
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
| -rw-r--r-- | libavcodec/mpeg12dec.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/libavcodec/mpeg12dec.c b/libavcodec/mpeg12dec.c index efbd53e529..58505cedbb 100644 --- a/libavcodec/mpeg12dec.c +++ b/libavcodec/mpeg12dec.c @@ -29,6 +29,7 @@ #include <inttypes.h> #include "libavutil/attributes.h" +#include "libavutil/imgutils.h" #include "libavutil/internal.h" #include "libavutil/stereo3d.h" @@ -1315,7 +1316,13 @@ static int mpeg_decode_postinit(AVCodecContext *avctx) } } // MPEG-2 - ff_set_sar(s->avctx, s->avctx->sample_aspect_ratio); + if (av_image_check_sar(s->width, s->height, + avctx->sample_aspect_ratio) < 0) { + av_log(avctx, AV_LOG_WARNING, "ignoring invalid SAR: %u/%u\n", + avctx->sample_aspect_ratio.num, + avctx->sample_aspect_ratio.den); + avctx->sample_aspect_ratio = (AVRational){ 0, 1 }; + } if ((s1->mpeg_enc_ctx_allocated == 0) || avctx->coded_width != s->width || |