On Mon, Aug 16, 2021 at 05:01:14PM +0800, rui.jiang wrote:
> add palette data in avi header when the input data is raw PAL8 or Gray8 pixel
> data and the output data is 8bit raw avi video;
>
> Signed-off-by: rui.jiang <229135...@qq.com>
> ---
> libavformat/riffenc.c | 10 +++++++++-
> 1 file changed, 9 insertions(+), 1 deletion(-)
>
> diff --git a/libavformat/riffenc.c b/libavformat/riffenc.c
> index 43c8bf957a..bc654b3cd3 100644
> --- a/libavformat/riffenc.c
> +++ b/libavformat/riffenc.c
> @@ -228,7 +228,8 @@ void ff_put_bmp_header(AVIOContext *pb, AVCodecParameters
> *par,
> pal_avi = !for_asf &&
> (pix_fmt == AV_PIX_FMT_PAL8 ||
> pix_fmt == AV_PIX_FMT_MONOWHITE ||
> - pix_fmt == AV_PIX_FMT_MONOBLACK);
> + pix_fmt == AV_PIX_FMT_MONOBLACK ||
> + pix_fmt == AV_PIX_FMT_GRAY8);
>
> /* Size (not including the size of the color table or color masks) */
> avio_wl32(pb, 40 + (ignore_extradata || pal_avi ? 0 : extradata_size));
> @@ -263,6 +264,13 @@ void ff_put_bmp_header(AVIOContext *pb,
> AVCodecParameters *par,
> avio_wl32(pb, 0xffffff);
> else if (i == 1 && pix_fmt == AV_PIX_FMT_MONOBLACK)
> avio_wl32(pb, 0xffffff);
> + else if (pix_fmt == AV_PIX_FMT_PAL8 || pix_fmt ==
> AV_PIX_FMT_GRAY8) {
> + /* Initialize palette */
> + avio_w8(pb,i);
> + avio_w8(pb,i);
> + avio_w8(pb,i);
> + avio_w8(pb,0);I dont think this will always match the palette also this is going to break fate i would assume [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB Why not whip the teacher when the pupil misbehaves? -- Diogenes of Sinope
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