mirror of
https://github.com/mpv-player/mpv
synced 2024-12-15 11:25:10 +00:00
87281a7d6a
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@26216 b3059339-0415-0410-9bf9-f77b7e298cf2
113 lines
2.5 KiB
C
113 lines
2.5 KiB
C
#ifndef MPLAYER_TVI_DEF_H
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#define MPLAYER_TVI_DEF_H
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#include <stdlib.h> /* malloc */
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#include <string.h> /* memset */
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#include "libmpcodecs/img_format.h"
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#include "tv.h"
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static int init(priv_t *priv);
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static int uninit(priv_t *priv);
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static int control(priv_t *priv, int cmd, void *arg);
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static int start(priv_t *priv);
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static double grab_video_frame(priv_t *priv, char *buffer, int len);
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static int get_video_framesize(priv_t *priv);
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static double grab_audio_frame(priv_t *priv, char *buffer, int len);
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static int get_audio_framesize(priv_t *priv);
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int teletext_control(void* p, int cmd, void *arg);
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static const tvi_functions_t functions =
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{
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init,
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uninit,
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control,
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start,
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grab_video_frame,
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get_video_framesize,
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grab_audio_frame,
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get_audio_framesize
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};
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static tvi_handle_t *new_handle(void)
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{
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tvi_handle_t *h = (tvi_handle_t *)malloc(sizeof(tvi_handle_t));
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if (!h)
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return(NULL);
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h->priv = (priv_t *)malloc(sizeof(priv_t));
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if (!h->priv)
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{
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free(h);
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return(NULL);
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}
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memset(h->priv, 0, sizeof(priv_t));
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h->functions = &functions;
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h->seq = 0;
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h->chanlist = -1;
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h->chanlist_s = NULL;
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h->norm = -1;
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h->channel = -1;
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h->scan = NULL;
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return(h);
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}
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static void free_handle(tvi_handle_t *h)
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{
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if (h) {
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if (h->priv)
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free(h->priv);
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if (h->scan)
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free(h->scan);
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free(h);
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}
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}
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/**
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Fills video frame in given buffer with blue color for yv12,i420,uyvy,yuy2.
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Other formats will be filled with 0xC0
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*/
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static inline void fill_blank_frame(char* buffer,int len,int fmt){
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int i;
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// RGB(0,0,255) <-> YVU(41,110,240)
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switch(fmt){
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case IMGFMT_YV12:
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memset(buffer, 41,4*len/6); //Y
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memset(buffer+4*len/6, 110,len/6);//V
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memset(buffer+5*len/6, 240,len/6);//U
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break;
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case IMGFMT_I420:
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memset(buffer, 41,4*len/6); //Y
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memset(buffer+4*len/6, 240,len/6);//U
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memset(buffer+5*len/6, 110,len/6);//V
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break;
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case IMGFMT_UYVY:
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for(i=0;i<len;i+=4){
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buffer[i]=0xFF;
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buffer[i+1]=0;
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buffer[i+2]=0;
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buffer[i+3]=0;
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}
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break;
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case IMGFMT_YUY2:
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for(i=0;i<len;i+=4){
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buffer[i]=0;
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buffer[i+1]=0xFF;
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buffer[i+2]=0;
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buffer[i+3]=0;
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}
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break;
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case IMGFMT_MJPEG:
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/*
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This is compressed format. I don't know yet how to fill such frame with blue color.
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Keeping frame unchanged.
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*/
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break;
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default:
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memset(buffer,0xC0,len);
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}
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}
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#endif /* MPLAYER_TVI_DEF_H */
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