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From: rcombs <ffmpegagent@gmail.com>
To: ffmpeg-devel@ffmpeg.org
Subject: [FFmpeg-devel] [PATCH 3/6] lavc/videotoolboxdec: fix generating HEVC general_profile_compatibility_flags
Date: Mon, 09 May 2022 18:16:21 +0000
Message-ID: <bd627a72f61add664925c7d3ca9d1d1a7da1bb03.1652120184.git.ffmpegagent@gmail.com> (raw)
In-Reply-To: <pull.23.ffstaging.FFmpeg.1652120184.ffmpegagent@gmail.com>

From: rcombs <rcombs@rcombs.me>

We store this as an array of bools, not a bitfield.

Signed-off-by: rcombs <rcombs@rcombs.me>
---
 libavcodec/videotoolbox.c | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/libavcodec/videotoolbox.c b/libavcodec/videotoolbox.c
index a1933f03f2..c95c53fcf0 100644
--- a/libavcodec/videotoolbox.c
+++ b/libavcodec/videotoolbox.c
@@ -273,7 +273,16 @@ CFDataRef ff_videotoolbox_hvcc_extradata_create(AVCodecContext *avctx)
                  ptlc.profile_idc);
 
     /* unsigned int(32) general_profile_compatibility_flags; */
-    memcpy(p + 2, ptlc.profile_compatibility_flag, 4);
+    for (i = 0; i < 4; i++) {
+        AV_W8(p + 2 + i, ptlc.profile_compatibility_flag[i * 8] << 7 |
+                         ptlc.profile_compatibility_flag[i * 8 + 1] << 6 |
+                         ptlc.profile_compatibility_flag[i * 8 + 2] << 5 |
+                         ptlc.profile_compatibility_flag[i * 8 + 3] << 4 |
+                         ptlc.profile_compatibility_flag[i * 8 + 4] << 3 |
+                         ptlc.profile_compatibility_flag[i * 8 + 5] << 2 |
+                         ptlc.profile_compatibility_flag[i * 8 + 6] << 1 |
+                         ptlc.profile_compatibility_flag[i * 8 + 7]);
+    }
 
     /* unsigned int(48) general_constraint_indicator_flags; */
     AV_W8(p + 6, ptlc.progressive_source_flag    << 7 |
-- 
ffmpeg-codebot

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  parent reply	other threads:[~2022-05-09 18:17 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-05-09 18:16 [FFmpeg-devel] [PATCH 0/6] lavc/videotoolboxdec: improve HEVC stream compatibility ffmpegagent
2022-05-09 18:16 ` [FFmpeg-devel] [PATCH 1/6] lavc/videotoolboxdec: warn on nonzero status in the callback rcombs
2022-05-09 18:16 ` [FFmpeg-devel] [PATCH 2/6] lavc/videotoolboxdec: fix escaping sequential zero sequences rcombs
2022-05-09 18:16 ` rcombs [this message]
2022-05-09 18:16 ` [FFmpeg-devel] [PATCH 4/6] lavc/videotoolboxdec: fix writing too many 1 bits for the reserved fields rcombs
2022-05-09 18:16 ` [FFmpeg-devel] [PATCH 5/6] lavc/videotoolboxdec: insert emu-prevention bytes for HEVC as well rcombs
2022-05-09 18:16 ` [FFmpeg-devel] [PATCH 6/6] lavc/h264_ps: always include the stop bit in [s|p]ps->data rcombs
2022-05-10  4:26   ` Andreas Rheinhardt
2022-05-24 22:20     ` Ridley Combs

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