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| author | Carl Eugen Hoyos <ceffmpeg@gmail.com> | 2018-05-10 22:45:07 +0200 |
|---|---|---|
| committer | Carl Eugen Hoyos <ceffmpeg@gmail.com> | 2018-05-17 12:19:38 +0200 |
| commit | 380ca1bc0ce886f043d1380b7aff99356220309b (patch) | |
| tree | cbb4d3a16a1833cc64ef06aa1b7eea813677f4b8 /libavcodec/v210dec.c | |
| parent | cb944fc7f1327443a0cf449afbce5a3e8712f90f (diff) | |
| download | ffmpeg-380ca1bc0ce886f043d1380b7aff99356220309b.tar.gz | |
lavc/v210dec: Skip Canopus C210 extradata.
Unbreaks files with unknown extradata, the Canopus decoder accepts both files
with and without this extradata (24 byte "INFO", 16 byte "RDRT", rest "FIEL").
Reported-by: Peter Bubestinger
Tested-by: Piotr Bandurski
Diffstat (limited to 'libavcodec/v210dec.c')
| -rw-r--r-- | libavcodec/v210dec.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/libavcodec/v210dec.c b/libavcodec/v210dec.c index 99199ddc15..ddc5dbe8be 100644 --- a/libavcodec/v210dec.c +++ b/libavcodec/v210dec.c @@ -27,6 +27,7 @@ #include "libavutil/bswap.h" #include "libavutil/internal.h" #include "libavutil/mem.h" +#include "libavutil/intreadwrite.h" #define READ_PIXELS(a, b, c) \ do { \ @@ -92,6 +93,11 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, return AVERROR_INVALIDDATA; } } + if ( avctx->codec_tag == MKTAG('C', '2', '1', '0') + && avpkt->size > 64 + && AV_RN32(psrc) == AV_RN32("INFO") + && avpkt->size - 64 >= stride * avctx->height) + psrc += 64; aligned_input = !((uintptr_t)psrc & 0xf) && !(stride & 0xf); if (aligned_input != s->aligned_input) { |