mirror of
https://github.com/mpv-player/mpv
synced 2024-12-24 07:42:17 +00:00
66b1d0d001
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@19620 b3059339-0415-0410-9bf9-f77b7e298cf2
165 lines
5.1 KiB
C
165 lines
5.1 KiB
C
/*
|
|
* 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., 51 Franklin Street, Fifth Floor,
|
|
* Boston, MA 02110-1301 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;
|
|
}
|
|
}
|