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Support rgb48 and rgba64 png encoding.

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This commit is contained in:
Carl Eugen Hoyos 2012-01-15 22:04:25 +01:00
parent 107f55cb01
commit f94ce3bcab
1 changed files with 14 additions and 1 deletions
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15
libavcodec/pngenc.c
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@ -234,6 +234,14 @@ static int encode_frame(AVCodecContext *avctx, unsigned char *buf, int buf_size,
is_progressive = !!(avctx->flags & CODEC_FLAG_INTERLACED_DCT);
switch(avctx->pix_fmt) {
case PIX_FMT_RGBA64BE:
bit_depth = 16;
color_type = PNG_COLOR_TYPE_RGB_ALPHA;
break;
case PIX_FMT_RGB48BE:
bit_depth = 16;
color_type = PNG_COLOR_TYPE_RGB;
break;
case PIX_FMT_RGBA:
bit_depth = 8;
color_type = PNG_COLOR_TYPE_RGB_ALPHA;
@ -418,6 +426,11 @@ 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_RGBA, PIX_FMT_PAL8, PIX_FMT_GRAY8, PIX_FMT_GRAY8A, PIX_FMT_GRAY16BE, PIX_FMT_MONOBLACK, PIX_FMT_NONE},
.pix_fmts= (const enum PixelFormat[]){PIX_FMT_RGB24, PIX_FMT_RGBA,
PIX_FMT_RGB48BE, PIX_FMT_RGBA64BE,
PIX_FMT_PAL8,
PIX_FMT_GRAY8, PIX_FMT_GRAY8A,
PIX_FMT_GRAY16BE,
PIX_FMT_MONOBLACK, PIX_FMT_NONE},
.long_name= NULL_IF_CONFIG_SMALL("PNG image"),
};