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| author | Michael Niedermayer <michaelni@gmx.at> | 2014-06-10 14:23:06 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2014-06-10 14:42:19 +0200 |
| commit | 0f0f6260484eddd5fcd569b692a8a928cd12fd80 (patch) | |
| tree | 72b36aa435a76183549c334a29b76561c42cd1a3 /libavformat/rawdec.c | |
| parent | ec2b6ee59afa22dbfcfedbc56d24873dbb8894e5 (diff) | |
| download | ffmpeg-0f0f6260484eddd5fcd569b692a8a928cd12fd80.tar.gz | |
avformat/rawdec: Increase probe score when "Content-Type: image/jpeg" is found at the file start
Based-on code by: Carl Eugen Hoyos and Andrey Utkin
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavformat/rawdec.c')
| -rw-r--r-- | libavformat/rawdec.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/libavformat/rawdec.c b/libavformat/rawdec.c index 543bb6ba13..ca9b2829d6 100644 --- a/libavformat/rawdec.c +++ b/libavformat/rawdec.c @@ -185,10 +185,18 @@ static int mjpeg_probe(AVProbeData *p) } } - if (nb_invalid == 0 && nb_frames > 2) - return AVPROBE_SCORE_EXTENSION / 2; - if (nb_invalid*4 + 1 < nb_frames) + if (nb_invalid*4 + 1 < nb_frames) { + static const char ct_jpeg[] = "\r\nContent-Type: image/jpeg\r\n\r\n"; + int i; + + for (i=0; i<FFMIN(p->buf_size - sizeof(ct_jpeg), 100); i++) + if (!memcmp(p->buf + i, ct_jpeg, sizeof(ct_jpeg) - 1)) + return AVPROBE_SCORE_EXTENSION; + + if (nb_invalid == 0 && nb_frames > 2) + return AVPROBE_SCORE_EXTENSION / 2; return AVPROBE_SCORE_EXTENSION / 4; + } return 0; } |