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| author | Michael Niedermayer <michaelni@gmx.at> | 2014-03-28 17:24:48 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2014-03-28 23:54:51 +0100 |
| commit | 1c13e1ef368ae6b6c7582f39e2e9567df8f200db (patch) | |
| tree | e34b91306676d78a6c48ac47128302523ae4676a /libavformat/img2dec.c | |
| parent | 075d6c066bc982819019b7c39660e8f3c9dfecc6 (diff) | |
| download | ffmpeg-1c13e1ef368ae6b6c7582f39e2e9567df8f200db.tar.gz | |
avformat/img2dec: Use avformat probing interface to identify format if it has not been otherwise identified
This is used only for distinguishing .pix formats for now.
Which is the only case that has image2 demuxers currently
Reviewed-by: wm4 <nfxjfg@googlemail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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 026fd5f14b..f6df41d4e6 100644 --- a/libavformat/img2dec.c +++ b/libavformat/img2dec.c @@ -298,6 +298,8 @@ int ff_img_read_header(AVFormatContext *s1) st->codec->codec_id = ff_guess_image2_codec(s->path); if (st->codec->codec_id == AV_CODEC_ID_LJPEG) st->codec->codec_id = AV_CODEC_ID_MJPEG; + if (st->codec->codec_id == AV_CODEC_ID_ALIAS_PIX) // we cannot distingiush this from BRENDER_PIX + st->codec->codec_id = AV_CODEC_ID_NONE; } if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && pix_fmt != AV_PIX_FMT_NONE) @@ -349,6 +351,26 @@ int ff_img_read_packet(AVFormatContext *s1, AVPacket *pkt) filename[strlen(filename) - 1] = 'U' + i; } + if (codec->codec_id == AV_CODEC_ID_NONE) { + AVProbeData pd; + AVInputFormat *ifmt; + uint8_t header[20 + AVPROBE_PADDING_SIZE]; + int ret; + int score = 0; + + ret = avio_read(f[0], header, 20); + if (ret < 0) + return ret; + avio_skip(f[0], -ret); + pd.buf = header; + pd.buf_size = ret; + pd.filename = filename; + + ifmt = av_probe_input_format3(&pd, 1, &score); + if (ifmt && ifmt->read_packet == ff_img_read_packet && ifmt->raw_codec_id) + codec->codec_id = ifmt->raw_codec_id; + } + if (codec->codec_id == AV_CODEC_ID_RAWVIDEO && !codec->width) infer_size(&codec->width, &codec->height, size[0]); } else { |