[FFmpeg-cvslog] movenc: Rudimentary IODs support.

[Alex Converse]

ffmpeg | branch: master | Alex Converse <alex.converse at gmail.com> | Tue Oct  4 11:44:25 2011 -0700| [d3b8bde2f14f78109a892e57f544bf840cf6d4fc] | committer: Alex Converse

movenc: Rudimentary IODs support.

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=d3b8bde2f14f78109a892e57f544bf840cf6d4fc
---

 libavformat/movenc.c    |   39 ++++++++++++++++++++++++++++-----------
 libavformat/movenc.h    |    3 +++
 tests/ref/acodec/alac   |    4 ++--
 tests/ref/vsynth1/mpeg4 |    4 ++--
 tests/ref/vsynth2/mpeg4 |    4 ++--
 5 files changed, 37 insertions(+), 17 deletions(-)

diff --git a/libavformat/movenc.c b/libavformat/movenc.c
index d1076c3..0463528 100644
--- a/libavformat/movenc.c
+++ b/libavformat/movenc.c
@@ -46,6 +46,9 @@ static const AVOption options[] = {
     { "movflags", "MOV muxer flags", offsetof(MOVMuxContext, flags), AV_OPT_TYPE_FLAGS, {.dbl = 0}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
     { "rtphint", "Add RTP hint tracks", 0, AV_OPT_TYPE_CONST, {.dbl = FF_MOV_FLAG_RTP_HINT}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
     FF_RTP_FLAG_OPTS(MOVMuxContext, rtp_flags),
+    { "skip_iods", "Skip writing iods atom.", offsetof(MOVMuxContext, iods_skip), AV_OPT_TYPE_INT, {.dbl = 0}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
+    { "iods_audio_profile", "iods audio profile atom.", offsetof(MOVMuxContext, iods_audio_profile), AV_OPT_TYPE_INT, {.dbl = -1}, -1, 255, AV_OPT_FLAG_ENCODING_PARAM},
+    { "iods_video_profile", "iods video profile atom.", offsetof(MOVMuxContext, iods_video_profile), AV_OPT_TYPE_INT, {.dbl = -1}, -1, 255, AV_OPT_FLAG_ENCODING_PARAM},
     { NULL },
 };
 
@@ -1407,21 +1410,34 @@ static int mov_write_trak_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
     return updateSize(pb, pos);
 }
 
-#if 0
-/* TODO: Not sorted out, but not necessary either */
 static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
 {
-    avio_wb32(pb, 0x15); /* size */
+    int i, has_audio = 0, has_video = 0;
+    int64_t pos = avio_tell(pb);
+    int audio_profile = mov->iods_audio_profile;
+    int video_profile = mov->iods_video_profile;
+    for (i = 0; i < mov->nb_streams; i++) {
+        if(mov->tracks[i].entry > 0) {
+            has_audio |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_AUDIO;
+            has_video |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_VIDEO;
+        }
+    }
+    if (audio_profile < 0)
+        audio_profile = 0xFF - has_audio;
+    if (video_profile < 0)
+        video_profile = 0xFF - has_video;
+    avio_wb32(pb, 0x0); /* size */
     ffio_wfourcc(pb, "iods");
     avio_wb32(pb, 0);    /* version & flags */
-    avio_wb16(pb, 0x1007);
-    avio_w8(pb, 0);
-    avio_wb16(pb, 0x4fff);
-    avio_wb16(pb, 0xfffe);
-    avio_wb16(pb, 0x01ff);
-    return 0x15;
+    putDescr(pb, 0x10, 7);
+    avio_wb16(pb, 0x004f);
+    avio_w8(pb, 0xff);
+    avio_w8(pb, 0xff);
+    avio_w8(pb, audio_profile);
+    avio_w8(pb, video_profile);
+    avio_w8(pb, 0xff);
+    return updateSize(pb, pos);
 }
-#endif
 
 static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
 {
@@ -1829,7 +1845,8 @@ static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
     }
 
     mov_write_mvhd_tag(pb, mov);
-    //mov_write_iods_tag(pb, mov);
+    if (mov->mode != MODE_MOV && !mov->iods_skip)
+        mov_write_iods_tag(pb, mov);
     for (i=0; i<mov->nb_streams; i++) {
         if(mov->tracks[i].entry > 0) {
             mov_write_trak_tag(pb, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
diff --git a/libavformat/movenc.h b/libavformat/movenc.h
index 9b14f24..5ca5631 100644
--- a/libavformat/movenc.h
+++ b/libavformat/movenc.h
@@ -112,6 +112,9 @@ typedef struct MOVMuxContext {
 
     int flags;
     int rtp_flags;
+    int iods_skip;
+    int iods_video_profile;
+    int iods_audio_profile;
 } MOVMuxContext;
 
 #define FF_MOV_FLAG_RTP_HINT 1
diff --git a/tests/ref/acodec/alac b/tests/ref/acodec/alac
index f03ce89..15d1a1f 100644
--- a/tests/ref/acodec/alac
+++ b/tests/ref/acodec/alac
@@ -1,4 +1,4 @@
-b25bcc7ec3f5c19cdfc01a6bbd32edb8 *./tests/data/acodec/alac.m4a
-389386 ./tests/data/acodec/alac.m4a
+8d9cb7f65c5b17c74e5f9bdc36f32b7d *./tests/data/acodec/alac.m4a
+389410 ./tests/data/acodec/alac.m4a
 64151e4bcc2b717aa5a8454d424d6a1f *./tests/data/alac.acodec.out.wav
 stddev:    0.00 PSNR:999.99 MAXDIFF:    0 bytes:  1058400/  1058400
diff --git a/tests/ref/vsynth1/mpeg4 b/tests/ref/vsynth1/mpeg4
index ebe2f5a..133e228 100644
--- a/tests/ref/vsynth1/mpeg4
+++ b/tests/ref/vsynth1/mpeg4
@@ -1,4 +1,4 @@
-080e75117f8142001b096cd977ba287e *./tests/data/vsynth1/odivx.mp4
-540156 ./tests/data/vsynth1/odivx.mp4
+9251145d12150cb639098016d61fc75e *./tests/data/vsynth1/odivx.mp4
+540180 ./tests/data/vsynth1/odivx.mp4
 8828a375448dc5c2215163ba70656f89 *./tests/data/mpeg4.vsynth1.out.yuv
 stddev:    7.97 PSNR: 30.10 MAXDIFF:  105 bytes:  7603200/  7603200
diff --git a/tests/ref/vsynth2/mpeg4 b/tests/ref/vsynth2/mpeg4
index fe436e8..b89a3ec 100644
--- a/tests/ref/vsynth2/mpeg4
+++ b/tests/ref/vsynth2/mpeg4
@@ -1,4 +1,4 @@
-8ffbe8ce43fe126b12cf9621717d641b *./tests/data/vsynth2/odivx.mp4
-119809 ./tests/data/vsynth2/odivx.mp4
+c2ca709a0ed64833fd38f703b19e5e85 *./tests/data/vsynth2/odivx.mp4
+119833 ./tests/data/vsynth2/odivx.mp4
 90a3577850239083a9042bef33c50e85 *./tests/data/mpeg4.vsynth2.out.yuv
 stddev:    5.34 PSNR: 33.57 MAXDIFF:   83 bytes:  7603200/  7603200