pngdec: Add support for PIX_FMT_Y400A

Originally committed as revision 22882 to svn://svn.ffmpeg.org/ffmpeg/trunk
15 years ago · 67d96fb42d
parent 4744f896e5
commit 67d96fb42d
1 changed files with 2 additions and 0 deletions
--- a/libavcodec/pngdec.c
+++ b/libavcodec/pngdec.c
@ -489,6 +489,8 @@ static int decode_frame(AVCodecContext *avctx,
                    avctx->pix_fmt = PIX_FMT_MONOBLACK;
                } else if (s->color_type == PNG_COLOR_TYPE_PALETTE) {
                    avctx->pix_fmt = PIX_FMT_PAL8;
+                } else if (s->color_type == PNG_COLOR_TYPE_GRAY_ALPHA) {
+                    avctx->pix_fmt = PIX_FMT_Y400A;
                } else {
                    goto fail;
                }