[FFmpeg-devel] [PATCH 13/13] avformat/mxfenc: Write transfer characteristic

Michael Niedermayer michael at niedermayer.cc
Mon May 7 13:38:17 EEST 2018


Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
---
 libavformat/mxfenc.c            | 39 +++++++++++++++++++++++++++++++++
 tests/ref/fate/copy-trac4914    |  2 +-
 tests/ref/fate/mxf-reel_name    |  2 +-
 tests/ref/fate/time_base        |  2 +-
 tests/ref/lavf/mxf              |  6 ++---
 tests/ref/lavf/mxf_d10          |  2 +-
 tests/ref/lavf/mxf_dv25         |  2 +-
 tests/ref/lavf/mxf_dvcpro50     |  2 +-
 tests/ref/lavf/mxf_opatom       |  2 +-
 tests/ref/lavf/mxf_opatom_audio |  2 +-
 10 files changed, 50 insertions(+), 11 deletions(-)

diff --git a/libavformat/mxfenc.c b/libavformat/mxfenc.c
index eda26e1a3f..8443334512 100644
--- a/libavformat/mxfenc.c
+++ b/libavformat/mxfenc.c
@@ -492,6 +492,7 @@ static const MXFLocalTagPair mxf_local_tag_batch[] = {
     { 0x320B, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x05,0x01,0x0E,0x00,0x00,0x00}}, /* Presentation Y offset */
     { 0x3217, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x05,0x04,0x01,0x03,0x02,0x07,0x00,0x00,0x00}}, /* Display F2 offset */
     { 0x320E, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x01,0x04,0x01,0x01,0x01,0x01,0x00,0x00,0x00}}, /* Aspect Ratio */
+    { 0x3210, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x02,0x01,0x01,0x01,0x02,0x00}}, /* Transfer characteristic */
     { 0x3213, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x18,0x01,0x02,0x00,0x00,0x00,0x00}}, /* Image Start Offset */
     { 0x3214, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x18,0x01,0x03,0x00,0x00,0x00,0x00}}, /* Image End Offset */
     { 0x3201, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x04,0x01,0x06,0x01,0x00,0x00,0x00,0x00}}, /* Picture Essence Coding */
@@ -1143,6 +1144,34 @@ static const UID mxf_aes3_descriptor_key      = { 0x06,0x0E,0x2B,0x34,0x02,0x53,
 static const UID mxf_cdci_descriptor_key      = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01,0x01,0x28,0x00 };
 static const UID mxf_generic_sound_descriptor_key = { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0D,0x01,0x01,0x01,0x01,0x01,0x42,0x00 };
 
+static int get_trc(UID ul, enum AVColorTransferCharacteristic trc)
+{
+    switch (trc){
+    case AVCOL_TRC_GAMMA28   :
+    case AVCOL_TRC_GAMMA22   :
+        memcpy(ul, (UID){0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x01,0x01,0x01,0x01,0x00,0x00}, 16);
+        return 0;
+    case AVCOL_TRC_BT709     :
+    case AVCOL_TRC_SMPTE170M :
+        memcpy(ul, (UID){0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x01,0x01,0x01,0x02,0x00,0x00}, 16);
+        return 0;
+    case AVCOL_TRC_SMPTE240M :
+        memcpy(ul, (UID){0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x01,0x01,0x01,0x01,0x03,0x00,0x00}, 16);
+        return 0;
+    case AVCOL_TRC_BT1361_ECG:
+        memcpy(ul, (UID){0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x06,0x04,0x01,0x01,0x01,0x01,0x05,0x00,0x00}, 16);
+        return 0;
+    case AVCOL_TRC_LINEAR    :
+        memcpy(ul, (UID){0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x06,0x04,0x01,0x01,0x01,0x01,0x06,0x00,0x00}, 16);
+        return 0;
+    case AVCOL_TRC_SMPTE428  :
+        memcpy(ul, (UID){0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x08,0x04,0x01,0x01,0x01,0x01,0x07,0x00,0x00}, 16);
+        return 0;
+    default:
+        return -1;
+    }
+}
+
 static void mxf_write_cdci_common(AVFormatContext *s, AVStream *st, const UID key, unsigned size)
 {
     MXFStreamContext *sc = st->priv_data;
@@ -1152,6 +1181,8 @@ static void mxf_write_cdci_common(AVFormatContext *s, AVStream *st, const UID ke
     int display_height;
     int f1, f2;
     unsigned desc_size = size+8+8+8+8+8+8+8+5+16+4+12+20+5 + 5*8 + 6;
+    UID transfer_ul = {0};
+
     if (sc->interlaced && sc->field_dominance)
         desc_size += 5;
     if (sc->signal_standard)
@@ -1164,6 +1195,8 @@ static void mxf_write_cdci_common(AVFormatContext *s, AVStream *st, const UID ke
         desc_size += 8 * 3;
     if (s->oformat == &ff_mxf_d10_muxer)
         desc_size += 8 + 8 + 8;
+    if (get_trc(transfer_ul, st->codecpar->color_trc) >= 0)
+        desc_size += 20;
 
     mxf_write_generic_desc(s, st, key, desc_size);
 
@@ -1305,6 +1338,12 @@ static void mxf_write_cdci_common(AVFormatContext *s, AVStream *st, const UID ke
     avio_wb32(pb, sc->aspect_ratio.num);
     avio_wb32(pb, sc->aspect_ratio.den);
 
+    //Transfer characteristic
+    if (transfer_ul[0]) {
+        mxf_write_local_tag(pb, 16, 0x3210);
+        avio_write(pb, transfer_ul, 16);
+    };
+
     mxf_write_local_tag(pb, 16, 0x3201);
     avio_write(pb, *sc->codec_ul, 16);
 
diff --git a/tests/ref/fate/copy-trac4914 b/tests/ref/fate/copy-trac4914
index 4cadb21adc..a805699374 100644
--- a/tests/ref/fate/copy-trac4914
+++ b/tests/ref/fate/copy-trac4914
@@ -1,4 +1,4 @@
-ccce4918a1a4682cf431e7bb14b8120d *tests/data/fate/copy-trac4914.mxf
+ed7921a1218fce5ca0fd27217ddd7863 *tests/data/fate/copy-trac4914.mxf
 561721 tests/data/fate/copy-trac4914.mxf
 #tb 0: 1001/30000
 #media_type 0: video
diff --git a/tests/ref/fate/mxf-reel_name b/tests/ref/fate/mxf-reel_name
index 1a1731e431..273e51d6e5 100644
--- a/tests/ref/fate/mxf-reel_name
+++ b/tests/ref/fate/mxf-reel_name
@@ -1 +1 @@
-1ab725f1bbf60e4ac127859727735784
+02b2c67154665a72c6adebe9c234b778
diff --git a/tests/ref/fate/time_base b/tests/ref/fate/time_base
index 9ba0e92b58..d5fd8e0523 100644
--- a/tests/ref/fate/time_base
+++ b/tests/ref/fate/time_base
@@ -1 +1 @@
-bedb164d507d07714c2a908f4ddb240a
+b27e3b5e01771daa4425db36366aafb5
diff --git a/tests/ref/lavf/mxf b/tests/ref/lavf/mxf
index d20bded186..30a7846143 100644
--- a/tests/ref/lavf/mxf
+++ b/tests/ref/lavf/mxf
@@ -1,9 +1,9 @@
-b445776832c7deba50665282a5987f2c *./tests/data/lavf/lavf.mxf
+93367bc02b8997b84224e7eb359cae8a *./tests/data/lavf/lavf.mxf
 526393 ./tests/data/lavf/lavf.mxf
 ./tests/data/lavf/lavf.mxf CRC=0x8dddfaab
-d130f0a9c7404fe4f2e7c975d8fd6a52 *./tests/data/lavf/lavf.mxf
+0087ea968d20cc9192456fcd4c00019e *./tests/data/lavf/lavf.mxf
 561721 ./tests/data/lavf/lavf.mxf
 ./tests/data/lavf/lavf.mxf CRC=0xf21b1b48
-41cd471fe44cd27ec558980c20b71676 *./tests/data/lavf/lavf.mxf
+7754550ff6fe5895555610f586a15fc5 *./tests/data/lavf/lavf.mxf
 526393 ./tests/data/lavf/lavf.mxf
 ./tests/data/lavf/lavf.mxf CRC=0x8dddfaab
diff --git a/tests/ref/lavf/mxf_d10 b/tests/ref/lavf/mxf_d10
index 51f26c7b85..4c272048a1 100644
--- a/tests/ref/lavf/mxf_d10
+++ b/tests/ref/lavf/mxf_d10
@@ -1,3 +1,3 @@
-d92737f65555cceeb61ec6a79dd7a054 *./tests/data/lavf/lavf.mxf_d10
+693c6e28c56607aba86e73da3d14cecf *./tests/data/lavf/lavf.mxf_d10
 5332013 ./tests/data/lavf/lavf.mxf_d10
 ./tests/data/lavf/lavf.mxf_d10 CRC=0x6c74d488
diff --git a/tests/ref/lavf/mxf_dv25 b/tests/ref/lavf/mxf_dv25
index f6dc12e09b..ac9147d284 100644
--- a/tests/ref/lavf/mxf_dv25
+++ b/tests/ref/lavf/mxf_dv25
@@ -1,3 +1,3 @@
-ac97dec181de5ca64d096bfc38924978 *./tests/data/lavf/lavf.mxf_dv25
+37ad73c526ecc698dbae5a8995c7dd4d *./tests/data/lavf/lavf.mxf_dv25
 3834413 ./tests/data/lavf/lavf.mxf_dv25
 ./tests/data/lavf/lavf.mxf_dv25 CRC=0xbdaf7f52
diff --git a/tests/ref/lavf/mxf_dvcpro50 b/tests/ref/lavf/mxf_dvcpro50
index e53ac45fc0..19740a9a30 100644
--- a/tests/ref/lavf/mxf_dvcpro50
+++ b/tests/ref/lavf/mxf_dvcpro50
@@ -1,3 +1,3 @@
-fd35b5adf7601ef08cda45d0124a284a *./tests/data/lavf/lavf.mxf_dvcpro50
+8e989e5eb6f64741c1f3f2a9bfdb6f9a *./tests/data/lavf/lavf.mxf_dvcpro50
 7431213 ./tests/data/lavf/lavf.mxf_dvcpro50
 ./tests/data/lavf/lavf.mxf_dvcpro50 CRC=0xe3bbe4b4
diff --git a/tests/ref/lavf/mxf_opatom b/tests/ref/lavf/mxf_opatom
index 5ace27e0fb..29b1b58843 100644
--- a/tests/ref/lavf/mxf_opatom
+++ b/tests/ref/lavf/mxf_opatom
@@ -1,3 +1,3 @@
-e4236ef5fb2948ad6b3985f2c48471d8 *./tests/data/lavf/lavf.mxf_opatom
+b6e1fde300f68808ead5c316fd9a4543 *./tests/data/lavf/lavf.mxf_opatom
 4717625 ./tests/data/lavf/lavf.mxf_opatom
 ./tests/data/lavf/lavf.mxf_opatom CRC=0xf55aa22a
diff --git a/tests/ref/lavf/mxf_opatom_audio b/tests/ref/lavf/mxf_opatom_audio
index ab161b0ec6..a86aa991e9 100644
--- a/tests/ref/lavf/mxf_opatom_audio
+++ b/tests/ref/lavf/mxf_opatom_audio
@@ -1,3 +1,3 @@
-0bb1e7389b51c604ed5dd98d8826a55f *./tests/data/lavf/lavf.mxf_opatom_audio
+cc0dc4aacd82f5495456000c4ce38b08 *./tests/data/lavf/lavf.mxf_opatom_audio
 102969 ./tests/data/lavf/lavf.mxf_opatom_audio
 ./tests/data/lavf/lavf.mxf_opatom_audio CRC=0xd155c6ff
-- 
2.17.0



More information about the ffmpeg-devel mailing list