[FFmpeg-devel] [PATCH 3/5] avformat/mov: add ICC profile support for colr atom

vectronic hello.vectronic at gmail.com
Mon Sep 23 23:43:04 EEST 2019


Signed-off-by: vectronic <hello.vectronic at gmail.com>
---
 libavformat/mov.c | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/libavformat/mov.c b/libavformat/mov.c
index 1533c35a1d..b0331d3c96 100644
--- a/libavformat/mov.c
+++ b/libavformat/mov.c
@@ -1544,6 +1544,7 @@ static int mov_read_enda(MOVContext *c, AVIOContext *pb, MOVAtom atom)
 static int mov_read_colr(MOVContext *c, AVIOContext *pb, MOVAtom atom)
 {
     AVStream *st;
+    uint8_t *icc_profile;
     char color_parameter_type[5] = { 0 };
     uint16_t color_primaries, color_trc, color_matrix;
     int ret;
@@ -1556,12 +1557,22 @@ static int mov_read_colr(MOVContext *c, AVIOContext *pb, MOVAtom atom)
     if (ret < 0)
         return ret;
     if (strncmp(color_parameter_type, "nclx", 4) &&
-        strncmp(color_parameter_type, "nclc", 4)) {
+        strncmp(color_parameter_type, "nclc", 4) &&
+        strncmp(color_parameter_type, "prof", 4)) {
         av_log(c->fc, AV_LOG_WARNING, "unsupported color_parameter_type %s\n",
                color_parameter_type);
         return 0;
     }
 
+    if (!strncmp(color_parameter_type, "prof", 4)) {
+        icc_profile = av_stream_new_side_data(st, AV_PKT_DATA_ICC_PROFILE, atom.size - 4);
+        if (!icc_profile)
+            return AVERROR(ENOMEM);
+        ret = ffio_read_size(pb, icc_profile, atom.size - 4);
+        if (ret < 0)
+            return ret;
+    }
+    else {
     color_primaries = avio_rb16(pb);
     color_trc = avio_rb16(pb);
     color_matrix = avio_rb16(pb);
@@ -1590,7 +1601,7 @@ static int mov_read_colr(MOVContext *c, AVIOContext *pb, MOVAtom atom)
     st->codecpar->color_trc       = color_trc;
     st->codecpar->color_space     = color_matrix;
     av_log(c->fc, AV_LOG_TRACE, "\n");
-
+    }
     return 0;
 }
 
-- 
2.21.0 (Apple Git-122)



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