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🎥 Command line media player
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127/* * Only a sample! * * 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/>. */
#include "config.h"
#include <stdio.h>#include "common/common.h"#include "tv.h"
static tvi_handle_t *tvi_init_dummy(struct mp_log *log, tv_param_t* tv_param);/* information about this file */const tvi_info_t tvi_info_dummy = { tvi_init_dummy, "NULL-TV", "dummy",};
/* private data's */typedef struct priv { int width; int height;} priv_t;
#include "tvi_def.h"
/* handler creator - entry point ! */static tvi_handle_t *tvi_init_dummy(struct mp_log *log, tv_param_t* tv_param){ return tv_new_handle(sizeof(priv_t), log, &functions);}
/* initialisation */static int init(priv_t *priv){ priv->width = 320; priv->height = 200; return 1;}
/* that's the real start, we'got the format parameters (checked with control) */static int start(priv_t *priv){ return 1;}
static int uninit(priv_t *priv){ return 1;}
static int do_control(priv_t *priv, int cmd, void *arg){ switch(cmd) { case TVI_CONTROL_IS_VIDEO: return TVI_CONTROL_TRUE; case TVI_CONTROL_VID_GET_FORMAT: *(int *)arg = MP_FOURCC_YV12; return TVI_CONTROL_TRUE; case TVI_CONTROL_VID_SET_FORMAT: {// int req_fmt = *(int *)arg; int req_fmt = *(int *)arg; if (req_fmt != MP_FOURCC_YV12) return TVI_CONTROL_FALSE; return TVI_CONTROL_TRUE; } case TVI_CONTROL_VID_SET_WIDTH: priv->width = *(int *)arg; return TVI_CONTROL_TRUE; case TVI_CONTROL_VID_GET_WIDTH: *(int *)arg = priv->width; return TVI_CONTROL_TRUE; case TVI_CONTROL_VID_SET_HEIGHT: priv->height = *(int *)arg; return TVI_CONTROL_TRUE; case TVI_CONTROL_VID_GET_HEIGHT: *(int *)arg = priv->height; return TVI_CONTROL_TRUE; case TVI_CONTROL_VID_CHK_WIDTH: case TVI_CONTROL_VID_CHK_HEIGHT: return TVI_CONTROL_TRUE; case TVI_CONTROL_TUN_SET_NORM: return TVI_CONTROL_TRUE; } return TVI_CONTROL_UNKNOWN;}
static double grab_video_frame(priv_t *priv, char *buffer, int len){ memset(buffer, 0x42, len); return MP_NOPTS_VALUE;}
static int get_video_framesize(priv_t *priv){ /* YV12 */ return priv->width * priv->height * 12 / 8;}
static double grab_audio_frame(priv_t *priv, char *buffer, int len){ memset(buffer, 0x42, len); return MP_NOPTS_VALUE;}
static int get_audio_framesize(priv_t *priv){ return 1;}