diff options
| author | Carl Eugen Hoyos | 2016-02-29 15:49:52 +0100 |
|---|---|---|
| committer | Carl Eugen Hoyos | 2016-02-29 15:49:52 +0100 |
| commit | 8c5092912b19e793412b07e070da2f8636c2c2f3 (patch) | |
| tree | df01cfeb8f5485d872023a874bd745fd1fea07b9 /libavformat/img2dec.c | |
| parent | 4e05a12a41f4934cffeef39fd1d490f1e6947dfc (diff) | |
lavf: Add pcx auto-detection.
Diffstat (limited to 'libavformat/img2dec.c')
| -rw-r--r-- | libavformat/img2dec.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/libavformat/img2dec.c b/libavformat/img2dec.c index 94cce93e11..019793f29c 100644 --- a/libavformat/img2dec.c +++ b/libavformat/img2dec.c @@ -764,6 +764,27 @@ static int jpegls_probe(AVProbeData *p) return 0; } +static int pcx_probe(AVProbeData *p) +{ + const uint8_t *b = p->buf; + + if ( p->buf_size < 128 + || b[0] != 10 + || b[1] > 5 + || b[2] != 1 + || av_popcount(b[3]) != 1 || b[3] > 8 + || AV_RL16(&b[4]) > AV_RL16(&b[8]) + || AV_RL16(&b[6]) > AV_RL16(&b[10]) + || b[64]) + return 0; + b += 73; + while (++b < p->buf + 128) + if (*b) + return AVPROBE_SCORE_EXTENSION / 4; + + return AVPROBE_SCORE_EXTENSION + 1; +} + static int qdraw_probe(AVProbeData *p) { const uint8_t *b = p->buf; @@ -865,6 +886,7 @@ IMAGEAUTO_DEMUXER(exr, AV_CODEC_ID_EXR) IMAGEAUTO_DEMUXER(j2k, AV_CODEC_ID_JPEG2000) IMAGEAUTO_DEMUXER(jpeg, AV_CODEC_ID_MJPEG) IMAGEAUTO_DEMUXER(jpegls, AV_CODEC_ID_JPEGLS) +IMAGEAUTO_DEMUXER(pcx, AV_CODEC_ID_PCX) IMAGEAUTO_DEMUXER(pictor, AV_CODEC_ID_PICTOR) IMAGEAUTO_DEMUXER(png, AV_CODEC_ID_PNG) IMAGEAUTO_DEMUXER(qdraw, AV_CODEC_ID_QDRAW) |