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author | faust3 <faust3@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2005-02-13 13:39:19 +0000 |
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committer | faust3 <faust3@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2005-02-13 13:39:19 +0000 |
commit | 9ba19353edfabe783e4079c3b45ac7d645626ede (patch) | |
tree | 8bc70521fc05a3077305190631d8c3587e53baf7 /libmpdemux/demux_avs.h | |
parent | e0484e940f0b49a654d9d03cb5e82312357feea7 (diff) | |
download | mpv-9ba19353edfabe783e4079c3b45ac7d645626ede.tar.bz2 mpv-9ba19353edfabe783e4079c3b45ac7d645626ede.tar.xz |
avisynth demuxer patch by Gianluigi Tiesi <mplayer at netfarm.it>
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@14694 b3059339-0415-0410-9bf9-f77b7e298cf2
Diffstat (limited to 'libmpdemux/demux_avs.h')
-rw-r--r-- | libmpdemux/demux_avs.h | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/libmpdemux/demux_avs.h b/libmpdemux/demux_avs.h new file mode 100644 index 0000000000..76ee856462 --- /dev/null +++ b/libmpdemux/demux_avs.h @@ -0,0 +1,164 @@ +/* + * Demuxer for avisynth + * Copyright (c) 2005 Gianluigi Tiesi <sherpya@netfarm.it> + * + * Avisynth C Interface Version 0.20 + * Copyright 2003 Kevin Atkinson + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +enum { AVISYNTH_INTERFACE_VERSION = 2 }; + +enum +{ + AVS_SAMPLE_INT8 = 1<<0, + AVS_SAMPLE_INT16 = 1<<1, + AVS_SAMPLE_INT24 = 1<<2, + AVS_SAMPLE_INT32 = 1<<3, + AVS_SAMPLE_FLOAT = 1<<4 +}; + +enum +{ + AVS_PLANAR_Y=1<<0, + AVS_PLANAR_U=1<<1, + AVS_PLANAR_V=1<<2, + AVS_PLANAR_ALIGNED=1<<3, + AVS_PLANAR_Y_ALIGNED=AVS_PLANAR_Y|AVS_PLANAR_ALIGNED, + AVS_PLANAR_U_ALIGNED=AVS_PLANAR_U|AVS_PLANAR_ALIGNED, + AVS_PLANAR_V_ALIGNED=AVS_PLANAR_V|AVS_PLANAR_ALIGNED +}; + +// Colorspace properties. +enum +{ + AVS_CS_BGR = 1<<28, + AVS_CS_YUV = 1<<29, + AVS_CS_INTERLEAVED = 1<<30, + AVS_CS_PLANAR = 1<<31 +}; + +// Specific colorformats +enum +{ + AVS_CS_UNKNOWN = 0, + AVS_CS_BGR24 = 1<<0 | AVS_CS_BGR | AVS_CS_INTERLEAVED, + AVS_CS_BGR32 = 1<<1 | AVS_CS_BGR | AVS_CS_INTERLEAVED, + AVS_CS_YUY2 = 1<<2 | AVS_CS_YUV | AVS_CS_INTERLEAVED, + AVS_CS_YV12 = 1<<3 | AVS_CS_YUV | AVS_CS_PLANAR, // y-v-u, planar + AVS_CS_I420 = 1<<4 | AVS_CS_YUV | AVS_CS_PLANAR, // y-u-v, planar + AVS_CS_IYUV = 1<<4 | AVS_CS_YUV | AVS_CS_PLANAR // same as above +}; + +typedef struct AVS_Clip AVS_Clip; +typedef struct AVS_ScriptEnvironment AVS_ScriptEnvironment; + +typedef struct AVS_Value AVS_Value; +struct AVS_Value { + short type; // 'a'rray, 'c'lip, 'b'ool, 'i'nt, 'f'loat, 's'tring, 'v'oid, or 'l'ong + // for some function e'rror + short array_size; + union { + void * clip; // do not use directly, use avs_take_clip + char boolean; + int integer; + float floating_pt; + const char * string; + const AVS_Value * array; + } d; +}; + +// AVS_VideoInfo is layed out identicly to VideoInfo +typedef struct AVS_VideoInfo { + int width, height; // width=0 means no video + unsigned fps_numerator, fps_denominator; + int num_frames; + + int pixel_type; + + int audio_samples_per_second; // 0 means no audio + int sample_type; + uint64_t num_audio_samples; + int nchannels; + + // Imagetype properties + + int image_type; +} AVS_VideoInfo; + +typedef struct AVS_VideoFrameBuffer { + BYTE * data; + int data_size; + // sequence_number is incremented every time the buffer is changed, so + // that stale views can tell they're no longer valid. + long sequence_number; + + long refcount; +} AVS_VideoFrameBuffer; + +typedef struct AVS_VideoFrame { + int refcount; + AVS_VideoFrameBuffer * vfb; + int offset, pitch, row_size, height, offsetU, offsetV, pitchUV; // U&V offsets are from top of picture. +} AVS_VideoFrame; + +static __inline AVS_Value avs_new_value_string(const char * v0) +{ AVS_Value v; v.type = 's'; v.d.string = v0; return v; } + +static __inline AVS_Value avs_new_value_array(AVS_Value * v0, int size) +{ AVS_Value v; v.type = 'a'; v.d.array = v0; v.array_size = size; return v; } + + +static __inline int avs_is_error(AVS_Value v) { return v.type == 'e'; } +static __inline int avs_is_clip(AVS_Value v) { return v.type == 'c'; } +static __inline int avs_is_string(AVS_Value v) { return v.type == 's'; } +static __inline int avs_has_video(const AVS_VideoInfo * p) { return (p->width!=0); } +static __inline int avs_has_audio(const AVS_VideoInfo * p) { return (p->audio_samples_per_second!=0); } + +static __inline const char * avs_as_string(AVS_Value v) +{ return avs_is_error(v) || avs_is_string(v) ? v.d.string : 0; } + +/* Color spaces */ +static __inline int avs_is_rgb(const AVS_VideoInfo * p) +{ return (p->pixel_type&AVS_CS_BGR); } + +static __inline int avs_is_rgb24(const AVS_VideoInfo * p) +{ return (p->pixel_type&AVS_CS_BGR24)==AVS_CS_BGR24; } // Clear out additional properties + +static __inline int avs_is_rgb32(const AVS_VideoInfo * p) +{ return (p->pixel_type & AVS_CS_BGR32) == AVS_CS_BGR32 ; } + +static __inline int avs_is_yuy(const AVS_VideoInfo * p) +{ return (p->pixel_type&AVS_CS_YUV ); } + +static __inline int avs_is_yuy2(const AVS_VideoInfo * p) +{ return (p->pixel_type & AVS_CS_YUY2) == AVS_CS_YUY2; } + +static __inline int avs_is_yv12(const AVS_VideoInfo * p) +{ return ((p->pixel_type & AVS_CS_YV12) == AVS_CS_YV12)||((p->pixel_type & AVS_CS_I420) == AVS_CS_I420); } + +static __inline int avs_bits_per_pixel(const AVS_VideoInfo * p) +{ + switch (p->pixel_type) { + case AVS_CS_BGR24: return 24; + case AVS_CS_BGR32: return 32; + case AVS_CS_YUY2: return 16; + case AVS_CS_YV12: + case AVS_CS_I420: return 12; + default: return 0; + } +} |