[FFmpeg-cvslog] lavf/img2dec: Auto-detect Cintel scanner images.

[Carl Eugen Hoyos]

ffmpeg | branch: master | Carl Eugen Hoyos <ceffmpeg at gmail.com> | Thu Oct  8 09:34:55 2020 +0200| [bc43588a71181a6b2ea01119a7551f0d76a37b32] | committer: Carl Eugen Hoyos

lavf/img2dec: Auto-detect Cintel scanner images.

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=bc43588a71181a6b2ea01119a7551f0d76a37b32
---

 libavformat/allformats.c |  1 +
 libavformat/img2dec.c    | 12 ++++++++++++
 libavformat/version.h    |  2 +-
 3 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/libavformat/allformats.c b/libavformat/allformats.c
index 3912b60ec3..96b9bc2a0c 100644
--- a/libavformat/allformats.c
+++ b/libavformat/allformats.c
@@ -489,6 +489,7 @@ extern AVInputFormat  ff_yuv4mpegpipe_demuxer;
 extern AVOutputFormat ff_yuv4mpegpipe_muxer;
 /* image demuxers */
 extern AVInputFormat  ff_image_bmp_pipe_demuxer;
+extern AVInputFormat  ff_image_cri_pipe_demuxer;
 extern AVInputFormat  ff_image_dds_pipe_demuxer;
 extern AVInputFormat  ff_image_dpx_pipe_demuxer;
 extern AVInputFormat  ff_image_exr_pipe_demuxer;
diff --git a/libavformat/img2dec.c b/libavformat/img2dec.c
index 9a3c9fad02..4f9bfc635a 100644
--- a/libavformat/img2dec.c
+++ b/libavformat/img2dec.c
@@ -684,6 +684,17 @@ static int bmp_probe(const AVProbeData *p)
     return AVPROBE_SCORE_EXTENSION / 4;
 }
 
+static int cri_probe(const AVProbeData *p)
+{
+    const uint8_t *b = p->buf;
+
+    if (   AV_RL32(b) == 1
+        && AV_RL32(b + 4) == 4
+        && AV_RN32(b + 8) == AV_RN32("DVCC"))
+        return AVPROBE_SCORE_MAX - 1;
+    return 0;
+}
+
 static int dds_probe(const AVProbeData *p)
 {
     const uint8_t *b = p->buf;
@@ -1101,6 +1112,7 @@ AVInputFormat ff_image_ ## imgname ## _pipe_demuxer = {\
 };
 
 IMAGEAUTO_DEMUXER(bmp,     AV_CODEC_ID_BMP)
+IMAGEAUTO_DEMUXER(cri,     AV_CODEC_ID_CRI)
 IMAGEAUTO_DEMUXER(dds,     AV_CODEC_ID_DDS)
 IMAGEAUTO_DEMUXER(dpx,     AV_CODEC_ID_DPX)
 IMAGEAUTO_DEMUXER(exr,     AV_CODEC_ID_EXR)
diff --git a/libavformat/version.h b/libavformat/version.h
index 6a601f0c92..86e0a232ee 100644
--- a/libavformat/version.h
+++ b/libavformat/version.h
@@ -32,7 +32,7 @@
 // Major bumping may affect Ticket5467, 5421, 5451(compatibility with Chromium)
 // Also please add any ticket numbers that you believe might be affected here
 #define LIBAVFORMAT_VERSION_MAJOR  58
-#define LIBAVFORMAT_VERSION_MINOR  61
+#define LIBAVFORMAT_VERSION_MINOR  62
 #define LIBAVFORMAT_VERSION_MICRO 100
 
 #define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \