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/*
* This file is part of mpv.
*
* mpv is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* mpv 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with mpv. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef MPLAYER_TVI_DEF_H
#define MPLAYER_TVI_DEF_H
#include <stdlib.h> /* malloc */
#include <string.h> /* memset */
#include "video/img_fourcc.h"
#include "tv.h"
static int init(priv_t *priv);
static int uninit(priv_t *priv);
static int do_control(priv_t *priv, int cmd, void *arg);
static int start(priv_t *priv);
static double grab_video_frame(priv_t *priv, char *buffer, int len);
static int get_video_framesize(priv_t *priv);
static double grab_audio_frame(priv_t *priv, char *buffer, int len);
static int get_audio_framesize(priv_t *priv);
static const tvi_functions_t functions =
{
init,
uninit,
do_control,
start,
grab_video_frame,
get_video_framesize,
grab_audio_frame,
get_audio_framesize
};
/**
Fills video frame in given buffer with blue color for yv12,i420,uyvy,yuy2.
Other formats will be filled with 0xC0
*/
static inline void fill_blank_frame(char* buffer,int len,int fmt){
int i;
// RGB(0,0,255) <-> YVU(41,110,240)
switch(fmt){
case MP_FOURCC_YV12:
memset(buffer, 41,4*len/6); //Y
memset(buffer+4*len/6, 110,len/6);//V
memset(buffer+5*len/6, 240,len/6);//U
break;
case MP_FOURCC_I420:
memset(buffer, 41,4*len/6); //Y
memset(buffer+4*len/6, 240,len/6);//U
memset(buffer+5*len/6, 110,len/6);//V
break;
case MP_FOURCC_UYVY:
for(i=0;i<len;i+=4){
buffer[i]=0xFF;
buffer[i+1]=0;
buffer[i+2]=0;
buffer[i+3]=0;
}
break;
case MP_FOURCC_YUY2:
for(i=0;i<len;i+=4){
buffer[i]=0;
buffer[i+1]=0xFF;
buffer[i+2]=0;
buffer[i+3]=0;
}
break;
case MP_FOURCC_MJPEG:
/*
This is compressed format. I don't know yet how to fill such frame with blue color.
Keeping frame unchanged.
*/
break;
default:
memset(buffer,0xC0,len);
}
}
#endif /* MPLAYER_TVI_DEF_H */
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