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| author | Michael Niedermayer <michael@niedermayer.cc> | 2016-04-28 22:50:48 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2016-04-28 23:26:46 +0200 |
| commit | 4621bc436bea662006c8a2018ffbd6d2a1df48ae (patch) | |
| tree | ac304237f62d024fb7952f96d116ad8f8d38204a | |
| parent | d94d786bf06bc87c53305cfb9ffd13dce1ff58b1 (diff) | |
| download | ffmpeg-4621bc436bea662006c8a2018ffbd6d2a1df48ae.tar.gz | |
avformat/ffmdec: Check pix_fmt
Fixes crash
Fixes Ticket5412
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 78baa450d9939957f52d5187beb95d763d2f1f18)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavformat/ffmdec.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/libavformat/ffmdec.c b/libavformat/ffmdec.c index 9422130d1b..1753109eb6 100644 --- a/libavformat/ffmdec.c +++ b/libavformat/ffmdec.c @@ -26,6 +26,7 @@ #include "libavutil/opt.h" #include "libavutil/avassert.h" #include "libavutil/avstring.h" +#include "libavutil/pixdesc.h" #include "avformat.h" #include "internal.h" #include "ffm.h" @@ -365,6 +366,11 @@ static int ffm2_read_header(AVFormatContext *s) codec->height = avio_rb16(pb); codec->gop_size = avio_rb16(pb); codec->pix_fmt = avio_rb32(pb); + if (!av_pix_fmt_desc_get(codec->pix_fmt)) { + av_log(s, AV_LOG_ERROR, "Invalid pix fmt id: %d\n", codec->pix_fmt); + codec->pix_fmt = AV_PIX_FMT_NONE; + goto fail; + } codec->qmin = avio_r8(pb); codec->qmax = avio_r8(pb); codec->max_qdiff = avio_r8(pb); @@ -557,6 +563,11 @@ static int ffm_read_header(AVFormatContext *s) codec->height = avio_rb16(pb); codec->gop_size = avio_rb16(pb); codec->pix_fmt = avio_rb32(pb); + if (!av_pix_fmt_desc_get(codec->pix_fmt)) { + av_log(s, AV_LOG_ERROR, "Invalid pix fmt id: %d\n", codec->pix_fmt); + codec->pix_fmt = AV_PIX_FMT_NONE; + goto fail; + } codec->qmin = avio_r8(pb); codec->qmax = avio_r8(pb); codec->max_qdiff = avio_r8(pb); |