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authorCarl Eugen Hoyos <cehoyos@ag.or.at>2012-01-15 21:53:01 +0100
committerCarl Eugen Hoyos <cehoyos@ag.or.at>2012-01-15 21:53:01 +0100
commited10ca4c764cad4a3b7798b19600910efee9947d (patch)
tree29e13d815316a9617f3cf26a998f95437af9c453 /libavcodec/pngenc.c
parentea3abcd58f83673bf2fe28170339f19ddf683442 (diff)
Support gray8a png encoding.
Diffstat (limited to 'libavcodec/pngenc.c')
-rw-r--r--libavcodec/pngenc.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/libavcodec/pngenc.c b/libavcodec/pngenc.c
index b35402eddf..20edb4a125 100644
--- a/libavcodec/pngenc.c
+++ b/libavcodec/pngenc.c
@@ -264,6 +264,10 @@ static int encode_frame(AVCodecContext *avctx, unsigned char *buf, int buf_size,
bit_depth = 8;
color_type = PNG_COLOR_TYPE_GRAY;
break;
+ case PIX_FMT_GRAY8A:
+ bit_depth = 8;
+ color_type = PNG_COLOR_TYPE_GRAY_ALPHA;
+ break;
case PIX_FMT_MONOBLACK:
bit_depth = 1;
color_type = PNG_COLOR_TYPE_GRAY;
@@ -443,6 +447,6 @@ AVCodec ff_png_encoder = {
.priv_data_size = sizeof(PNGEncContext),
.init = png_enc_init,
.encode = encode_frame,
- .pix_fmts= (const enum PixelFormat[]){PIX_FMT_RGB24, PIX_FMT_RGB32, PIX_FMT_PAL8, PIX_FMT_GRAY8, PIX_FMT_MONOBLACK, PIX_FMT_NONE},
+ .pix_fmts= (const enum PixelFormat[]){PIX_FMT_RGB24, PIX_FMT_RGB32, PIX_FMT_PAL8, PIX_FMT_GRAY8, PIX_FMT_GRAY8A, PIX_FMT_MONOBLACK, PIX_FMT_NONE},
.long_name= NULL_IF_CONFIG_SMALL("PNG image"),
};