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| author | Fabrice Bellard <fabrice@bellard.org> | 2003-04-20 16:15:43 +0000 |
|---|---|---|
| committer | Fabrice Bellard <fabrice@bellard.org> | 2003-04-20 16:15:43 +0000 |
| commit | fab219971e9d532bb9aac0134331b760bc90cb69 (patch) | |
| tree | d20f282f54a7cf66e5454c95197474ed77656f80 /libavcodec | |
| parent | cff5e386bfaff6499df761875da8727bf5ed250c (diff) | |
| download | ffmpeg-fab219971e9d532bb9aac0134331b760bc90cb69.tar.gz | |
new YUV formats for correct JPEG YUV support - added automatic pixel format conversion guessing (minimize loss and size)
Originally committed as revision 1798 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec')
| -rw-r--r-- | libavcodec/avcodec.h | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h index b43858f12e..ac9f554466 100644 --- a/libavcodec/avcodec.h +++ b/libavcodec/avcodec.h @@ -15,8 +15,8 @@ extern "C" { #define LIBAVCODEC_VERSION_INT 0x000406 #define LIBAVCODEC_VERSION "0.4.6" -#define LIBAVCODEC_BUILD 4664 -#define LIBAVCODEC_BUILD_STR "4664" +#define LIBAVCODEC_BUILD 4665 +#define LIBAVCODEC_BUILD_STR "4665" #define LIBAVCODEC_IDENT "FFmpeg" LIBAVCODEC_VERSION "b" LIBAVCODEC_BUILD_STR @@ -93,6 +93,9 @@ enum PixelFormat { PIX_FMT_MONOWHITE, ///< 0 is white PIX_FMT_MONOBLACK, ///< 0 is black PIX_FMT_PAL8, ///< 8 bit with RGBA palette + PIX_FMT_YUVJ420P, ///< YUV full scale (jpeg) + PIX_FMT_YUVJ422P, ///< YUV full scale (jpeg) + PIX_FMT_YUVJ444P, ///< YUV full scale (jpeg) PIX_FMT_NB, }; @@ -1261,6 +1264,18 @@ int avpicture_get_size(int pix_fmt, int width, int height); void avcodec_get_chroma_sub_sample(int pix_fmt, int *h_shift, int *v_shift); const char *avcodec_get_pix_fmt_name(int pix_fmt); +#define FF_LOSS_RESOLUTION 0x0001 /* loss due to resolution change */ +#define FF_LOSS_DEPTH 0x0002 /* loss due to color depth change */ +#define FF_LOSS_COLORSPACE 0x0004 /* loss due to color space conversion */ +#define FF_LOSS_ALPHA 0x0008 /* loss of alpha bits */ +#define FF_LOSS_COLORQUANT 0x0010 /* loss due to color quantization */ +#define FF_LOSS_CHROMA 0x0020 /* loss of chroma (e.g. rgb to gray conversion) */ + +int avcodec_get_pix_fmt_loss(int dst_pix_fmt, int src_pix_fmt, + int has_alpha); +int avcodec_find_best_pix_fmt(int pix_fmt_mask, int src_pix_fmt, + int has_alpha, int *loss_ptr); + /* convert among pixel formats */ int img_convert(AVPicture *dst, int dst_pix_fmt, AVPicture *src, int pix_fmt, |