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From: rcombs <ffmpegagent@gmail.com>
To: ffmpeg-devel@ffmpeg.org
Subject: [FFmpeg-devel] [PATCH 2/6] lavc/videotoolboxdec: fix escaping sequential zero sequences
Date: Mon, 09 May 2022 18:16:20 +0000
Message-ID: <20892390d0a34a97fd61a05bb4797ac648fd586c.1652120184.git.ffmpegagent@gmail.com> (raw)
In-Reply-To: <pull.23.ffstaging.FFmpeg.1652120184.ffmpegagent@gmail.com>

From: rcombs <rcombs@rcombs.me>

This ensure that e.g. 0000000000 becomes 00000300 000300,
rather than 00000300 0000.

Signed-off-by: rcombs <rcombs@rcombs.me>
---
 libavcodec/videotoolbox.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/libavcodec/videotoolbox.c b/libavcodec/videotoolbox.c
index 7c4c4c6e1b..a1933f03f2 100644
--- a/libavcodec/videotoolbox.c
+++ b/libavcodec/videotoolbox.c
@@ -166,14 +166,13 @@ static int escape_ps(uint8_t* dst, const uint8_t* src, int src_size)
             src[i + 2] <= 0x03) {
             if (dst) {
                 *p++ = src[i++];
-                *p++ = src[i++];
+                *p++ = src[i];
                 *p++ = 0x03;
             } else {
-                i += 2;
+                i++;
             }
             size++;
-        }
-        if (dst)
+        } else if (dst)
             *p++ = src[i];
     }
 
-- 
ffmpeg-codebot

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  parent reply	other threads:[~2022-05-09 18:16 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 ` rcombs [this message]
2022-05-09 18:16 ` [FFmpeg-devel] [PATCH 3/6] lavc/videotoolboxdec: fix generating HEVC general_profile_compatibility_flags rcombs
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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