On 03/05/2016 08:44 PM, Michael Niedermayer wrote:
--- libavformat/avienc.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-)diff --git a/libavformat/avienc.c b/libavformat/avienc.c index 0cfffb7..8804ece 100644 --- a/libavformat/avienc.c +++ b/libavformat/avienc.c @@ -84,6 +84,7 @@ typedef struct AVIStream { uint32_t palette[AVPALETTE_COUNT]; uint32_t old_palette[AVPALETTE_COUNT]; + uint32_t global_palette[AVPALETTE_COUNT]; int64_t pal_offset; } AVIStream; @@ -711,9 +712,15 @@ static int avi_write_packet(AVFormatContext *s, AVPacket *pkt) } avio_seek(pb, cur_offset, SEEK_SET); memcpy(avist->old_palette, avist->palette, pal_size * 4); + memcpy(avist->global_palette, avist->palette, pal_size * 4); avist->pal_offset = 0; } - if (memcmp(avist->palette, avist->old_palette, pal_size * 4)) { + if (memcmp(avist->palette, avist->old_palette, pal_size * 4) || + (memcmp(avist->palette, avist->global_palette, pal_size * 4) || + avist->strh_flags_offset == 0 || + !pb->seekable + ) && (pkt->flags & AV_PKT_FLAG_KEY) + ) { avi_stream2fourcc(tag, stream_index, enc->codec_type); tag[2] = 'p'; tag[3] = 'c'; pc_tag = ff_start_tag(pb, tag);
Doesn't seem to work quite as expected, Michael. Try ffmpeg -i toon.avi -vcodec copy out.avi. The destination file will still contain only two xxpc chunks. Mats -- Mats Peterson http://matsp888.no-ip.org/~mats/ _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
