[vlc-devel] [PATCH] avcodec: copy frame-based palette

[Daniel Verkamp]

---
 modules/codec/avcodec/video.c  | 13 +++++++++++++
 modules/video_chroma/swscale.c |  8 ++++++--
 2 files changed, 19 insertions(+), 2 deletions(-)

diff --git a/modules/codec/avcodec/video.c b/modules/codec/avcodec/video.c
index fd0a870..65c6773 100644
--- a/modules/codec/avcodec/video.c
+++ b/modules/codec/avcodec/video.c
@@ -852,6 +852,19 @@ static void ffmpeg_CopyPicture( decoder_t *p_dec,
         uint8_t *p_dst, *p_src;
         int i_src_stride, i_dst_stride;
 
+        if( p_sys->p_context->pix_fmt == PIX_FMT_PAL8 )
+        {
+            if( !p_pic->format.p_palette )
+            {
+                p_pic->format.p_palette = calloc( 1, sizeof(video_palette_t) );
+                p_pic->format.p_palette->i_entries = 256;
+            }
+            if( p_pic->format.p_palette )
+            {
+                memcpy( p_pic->format.p_palette->palette, p_ff_pic->data[1], AVPALETTE_SIZE );
+            }
+        }
+
         for( i_plane = 0; i_plane < p_pic->i_planes; i_plane++ )
         {
             p_src  = p_ff_pic->data[i_plane];
diff --git a/modules/video_chroma/swscale.c b/modules/video_chroma/swscale.c
index 7d6faf6..8ce512c 100644
--- a/modules/video_chroma/swscale.c
+++ b/modules/video_chroma/swscale.c
@@ -583,9 +583,13 @@ static void Convert( filter_t *p_filter, struct SwsContext *ctx,
     GetPixels( src, src_stride, p_src, i_plane_start, i_plane_count, b_swap_uvi );
     if( p_filter->fmt_in.video.i_chroma == VLC_CODEC_RGBP )
     {
+        video_palette_t *src_pal =
+            p_src->format.p_palette ?
+            p_src->format.p_palette :
+            p_filter->fmt_in.video.p_palette;
         memset( palette, 0, sizeof(palette) );
-        if( p_filter->fmt_in.video.p_palette )
-            memcpy( palette, p_filter->fmt_in.video.p_palette->palette,
+        if( src_pal )
+            memcpy( palette, src_pal->palette,
                     __MIN( sizeof(video_palette_t), AVPALETTE_SIZE ) );
         src[1] = palette;
         src_stride[1] = 4;
-- 
2.0.0