From 04fafc56d5f430ae289eaeabec24e2831e92d191 Mon Sep 17 00:00:00 2001 From: Kostya Shishkov Date: Sat, 17 Jun 2023 11:03:04 +0200 Subject: [PATCH] avimux: set palette change flag in stream header if applicable --- nihav-commonfmt/src/muxers/avi.rs | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/nihav-commonfmt/src/muxers/avi.rs b/nihav-commonfmt/src/muxers/avi.rs index 02283e4..d8e1f73 100644 --- a/nihav-commonfmt/src/muxers/avi.rs +++ b/nihav-commonfmt/src/muxers/avi.rs @@ -16,6 +16,7 @@ struct AVIStream { nframes: u32, is_video: bool, max_size: u32, + pal_change: bool, } struct AVIMuxer<'a> { @@ -144,6 +145,7 @@ impl<'a> MuxCore<'a> for AVIMuxer<'a> { is_video: strm.get_media_type() == StreamType::Video, nframes: 0, max_size: 0, + pal_change: false, }); self.bw.write_u32le(0)?; // flags @@ -283,6 +285,7 @@ impl<'a> MuxCore<'a> for AVIMuxer<'a> { self.bw.write_byte((end_clr - start_clr) as u8)?; self.bw.write_u16le(0)?; //flags self.bw.write_buf(&pal[start_clr * 4..end_clr * 4])?; + self.stream_info[str_num].pal_change = true; } } } @@ -325,6 +328,10 @@ impl<'a> MuxCore<'a> for AVIMuxer<'a> { for stri in self.stream_info.iter() { max_frames = max_frames.max(stri.nframes); max_size = max_size.max(stri.max_size); + if stri.pal_change { + self.bw.seek(SeekFrom::Start(stri.strh_pos))?; + self.bw.write_u32le(0x00010000)?; + } self.bw.seek(SeekFrom::Start(stri.strh_pos + 0x18))?; self.bw.write_u32le(if stri.is_video { stri.nframes } else { 0 })?; self.bw.write_u32le(stri.max_size)?; -- 2.30.2