mirror of https://github.com/mpv-player/mpv
113 lines
2.1 KiB
C
113 lines
2.1 KiB
C
/*
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Only a sample!
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*/
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#include "config.h"
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#ifdef USE_TV
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#include <stdio.h>
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#include "../libvo/img_format.h"
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#include "tv.h"
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/* information about this file */
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static tvi_info_t info = {
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"NULL-TV",
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"dummy",
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"alex",
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NULL
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};
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/* private data's */
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typedef struct {
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int width;
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int height;
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} priv_t;
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#include "tvi_def.h"
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/* handler creator - entry point ! */
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tvi_handle_t *tvi_init_dummy(char *device)
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{
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return(new_handle());
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}
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/* initialisation */
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static int init(priv_t *priv)
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{
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priv->width = 320;
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priv->height = 200;
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return(1);
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}
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/* that's the real start, we'got the format parameters (checked with control) */
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static int start(priv_t *priv)
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{
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return(1);
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}
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static int uninit(priv_t *priv)
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{
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return(1);
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}
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static int control(priv_t *priv, int cmd, void *arg)
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{
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switch(cmd)
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{
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case TVI_CONTROL_IS_VIDEO:
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return(TVI_CONTROL_TRUE);
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case TVI_CONTROL_VID_GET_FORMAT:
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(int)*(void **)arg = IMGFMT_YV12;
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return(TVI_CONTROL_TRUE);
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case TVI_CONTROL_VID_SET_FORMAT:
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{
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int req_fmt = (int)*(void **)arg;
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if (req_fmt != IMGFMT_YV12)
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return(TVI_CONTROL_FALSE);
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return(TVI_CONTROL_TRUE);
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}
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case TVI_CONTROL_VID_SET_WIDTH:
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priv->width = (int)*(void **)arg;
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return(TVI_CONTROL_TRUE);
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case TVI_CONTROL_VID_GET_WIDTH:
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(int)*(void **)arg = priv->width;
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return(TVI_CONTROL_TRUE);
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case TVI_CONTROL_VID_SET_HEIGHT:
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priv->height = (int)*(void **)arg;
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return(TVI_CONTROL_TRUE);
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case TVI_CONTROL_VID_GET_HEIGHT:
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(int)*(void **)arg = priv->height;
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return(TVI_CONTROL_TRUE);
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case TVI_CONTROL_VID_CHK_WIDTH:
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case TVI_CONTROL_VID_CHK_HEIGHT:
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return(TVI_CONTROL_TRUE);
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}
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return(TVI_CONTROL_UNKNOWN);
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}
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static int grab_video_frame(priv_t *priv, char *buffer, int len)
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{
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memset(buffer, 0x42, len);
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return(1);
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}
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static int get_video_framesize(priv_t *priv)
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{
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/* YV12 */
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return(priv->width*priv->height*12/8);
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}
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static int grab_audio_frame(priv_t *priv, char *buffer, int len)
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{
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memset(buffer, 0x42, len);
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return(1);
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}
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static int get_audio_framesize(priv_t *priv)
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{
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return(1);
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}
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#endif /* USE_TV */
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