Fixes remuxing apng streams coming from the apng demuxer.
This is a regression since 97792e85c338d129342f5812e2a52048373e57d6.
Signed-off-by: James Almer <jamr...@gmail.com>
---
libavformat/apngenc.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/libavformat/apngenc.c b/libavformat/apngenc.c
index e5e8aa9..2b88dcc 100644
--- a/libavformat/apngenc.c
+++ b/libavformat/apngenc.c
@@ -101,6 +101,13 @@ static int apng_write_header(AVFormatContext
*format_context)
avio_wb64(format_context->pb, PNGSIG);
// Remaining headers are written when they are copied from the encoder
+ apng->extra_data =
av_mallocz(format_context->streams[0]->codecpar->extradata_size +
AV_INPUT_BUFFER_PADDING_SIZE);
+ if (!apng->extra_data)
+ return AVERROR(ENOMEM);
+ apng->extra_data_size =
format_context->streams[0]->codecpar->extradata_size;
+ memcpy(apng->extra_data, format_context->streams[0]->codecpar->extradata,
+ format_context->streams[0]->codecpar->extradata_size);
+
return 0;
}
--
2.10.1
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