mirror of https://github.com/mpv-player/mpv
115 lines
2.2 KiB
C
115 lines
2.2 KiB
C
/*
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Only a sample!
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*/
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#include "config.h"
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#include <stdio.h>
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#include "libmpcodecs/img_format.h"
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#include "tv.h"
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static tvi_handle_t *tvi_init_dummy(tv_param_t* tv_param);
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/* information about this file */
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const tvi_info_t tvi_info_dummy = {
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tvi_init_dummy,
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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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static tvi_handle_t *tvi_init_dummy(tv_param_t* tv_param)
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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 *)arg = IMGFMT_YV12;
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*(int *)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 *)arg;
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int req_fmt = *(int *)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 *)arg;
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return TVI_CONTROL_TRUE;
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case TVI_CONTROL_VID_GET_WIDTH:
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*(int *)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 *)arg;
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return TVI_CONTROL_TRUE;
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case TVI_CONTROL_VID_GET_HEIGHT:
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*(int *)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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case TVI_CONTROL_TUN_SET_NORM:
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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 double 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 double 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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