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| author | Carl Eugen Hoyos <ceffmpeg@gmail.com> | 2018-04-05 00:41:55 +0200 |
|---|---|---|
| committer | Carl Eugen Hoyos <ceffmpeg@gmail.com> | 2018-04-06 00:21:22 +0200 |
| commit | 233f52fd2534e6844fd5831e3a6c7ca3a1c8fc2d (patch) | |
| tree | a268e737ab548b6b7e83ef5851e3ea5cd2ebee6f /libavformat/amr.c | |
| parent | 92fe0bf1e8f83899ae8123bf1adc82dd6211f33a (diff) | |
| download | ffmpeg-233f52fd2534e6844fd5831e3a6c7ca3a1c8fc2d.tar.gz | |
lavf/amr: Stricter heuristic for auto-detection.
Fixes ticket #7125.
Diffstat (limited to 'libavformat/amr.c')
| -rw-r--r-- | libavformat/amr.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/libavformat/amr.c b/libavformat/amr.c index 8b4d736d2f..f954803d46 100644 --- a/libavformat/amr.c +++ b/libavformat/amr.c @@ -178,7 +178,7 @@ AVInputFormat ff_amr_demuxer = { #if CONFIG_AMRNB_DEMUXER static int amrnb_probe(AVProbeData *p) { - int mode, i = 0, valid = 0; + int mode, i = 0, valid = 0, invalid = 0; const uint8_t *b = p->buf; while (i < p->buf_size) { @@ -197,10 +197,11 @@ static int amrnb_probe(AVProbeData *p) } } else { valid = 0; + invalid++; i++; } } - if (valid > 100) + if (valid > 100 && valid > invalid) return AVPROBE_SCORE_EXTENSION / 2 + 1; return 0; } @@ -234,7 +235,7 @@ AVInputFormat ff_amrnb_demuxer = { #if CONFIG_AMRWB_DEMUXER static int amrwb_probe(AVProbeData *p) { - int mode, i = 0, valid = 0; + int mode, i = 0, valid = 0, invalid = 0; const uint8_t *b = p->buf; while (i < p->buf_size) { @@ -253,10 +254,11 @@ static int amrwb_probe(AVProbeData *p) } } else { valid = 0; + invalid++; i++; } } - if (valid > 100) + if (valid > 100 && valid > invalid) return AVPROBE_SCORE_EXTENSION / 2 - 1; return 0; } |