[FFmpeg-cvslog] avcodec/hevcdec: simplify decrementing of MDCV/CLL flags

[Jan Ekström]

ffmpeg | branch: master | Jan Ekström <jeebjp at gmail.com> | Wed Jul 12 21:15:10 2023 +0300| [91e1d11d1405f325f6f52e2c8dd5bbbf2462e190] | committer: Jan Ekström

avcodec/hevcdec: simplify decrementing of MDCV/CLL flags

Mostly done to be able to update the comment so that it no longer
mentions the same flag twice.

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=91e1d11d1405f325f6f52e2c8dd5bbbf2462e190
---

 libavcodec/hevcdec.c | 20 +++++++++-----------
 1 file changed, 9 insertions(+), 11 deletions(-)

diff --git a/libavcodec/hevcdec.c b/libavcodec/hevcdec.c
index 1fe91238d4..15276edd33 100644
--- a/libavcodec/hevcdec.c
+++ b/libavcodec/hevcdec.c
@@ -2760,17 +2760,15 @@ static int set_side_data(HEVCContext *s)
     AVFrame *out = s->ref->frame;
     int ret;
 
-    // Decrement the mastering display flag when IRAP frame has no_rasl_output_flag=1
-    // so the side data persists for the entire coded video sequence.
-    if (s->sei.common.mastering_display.present > 0 &&
-        IS_IRAP(s) && s->no_rasl_output_flag) {
-        s->sei.common.mastering_display.present--;
-    }
-    // Decrement the mastering display flag when IRAP frame has no_rasl_output_flag=1
-    // so the side data persists for the entire coded video sequence.
-    if (s->sei.common.content_light.present > 0 &&
-        IS_IRAP(s) && s->no_rasl_output_flag) {
-        s->sei.common.content_light.present--;
+    // Decrement the mastering display and content light level flag when IRAP
+    // frame has no_rasl_output_flag=1 so the side data persists for the entire
+    // coded video sequence.
+    if (IS_IRAP(s) && s->no_rasl_output_flag) {
+        if (s->sei.common.mastering_display.present > 0)
+            s->sei.common.mastering_display.present--;
+
+        if (s->sei.common.content_light.present > 0)
+            s->sei.common.content_light.present--;
     }
 
     ret = ff_h2645_sei_to_frame(out, &s->sei.common, AV_CODEC_ID_HEVC, NULL,