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mpv/stream/tv.h

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/*
* TV interface
*
* Copyright (C) 2001 Alex Beregszászi
* Copyright (C) 2007 Attila Ötvös
* Copyright (C) 2007 Vladimir Voroshilov <voroshil@gmail.com>
*
* 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_TV_H
#define MPLAYER_TV_H
struct mp_log;
typedef struct tv_params {
char *freq;
char *channel;
char *chanlist;
char *norm;
int automute;
int normid;
char *device;
char *driver;
int width;
int height;
int input;
int outfmt;
float fps;
char **channels;
int audio;
int immediate;
int audiorate;
int audio_id;
int amode;
int volume;
int bass;
int treble;
int balance;
int forcechan;
int force_audio;
int buffer_size;
int mjpeg;
int decimation;
int quality;
int alsa;
char* adevice;
int brightness;
int contrast;
int hue;
int saturation;
int gain;
int scan;
int scan_threshold;
float scan_period;
} tv_param_t;
struct tv_stream_params {
char *channel;
int input;
};
typedef struct tvi_info_s
{
struct tvi_handle_s * (*tvi_init)(struct mp_log *log, tv_param_t* tv_param);
const char *name;
const char *short_name;
} tvi_info_t;
struct priv;
typedef struct tvi_functions_s
{
int (*init)(struct priv *priv);
int (*uninit)(struct priv *priv);
int (*control)(struct priv *priv, int cmd, void *arg);
int (*start)(struct priv *priv);
double (*grab_video_frame)(struct priv *priv, char *buffer, int len);
int (*get_video_framesize)(struct priv *priv);
double (*grab_audio_frame)(struct priv *priv, char *buffer, int len);
int (*get_audio_framesize)(struct priv *priv);
} tvi_functions_t;
typedef struct tvi_handle_s {
struct mp_log *log;
const tvi_functions_t *functions;
void *priv;
int seq;
struct demuxer *demuxer;
/* specific */
int norm;
int chanlist;
const struct CHANLIST *chanlist_s;
int channel;
tv_param_t * tv_param;
void * scan;
struct tv_channels_s *tv_channel_list;
struct tv_channels_s *tv_channel_current, *tv_channel_last;
char *tv_channel_last_real;
} tvi_handle_t;
typedef struct tv_channels_s {
int index;
char number[5];
char name[20];
int norm;
int freq;
struct tv_channels_s *next;
struct tv_channels_s *prev;
} tv_channels_t;
typedef struct {
unsigned int scan_timer;
int channel_num;
int new_channels;
} tv_scan_t;
#define TVI_CONTROL_FALSE 0
#define TVI_CONTROL_TRUE 1
#define TVI_CONTROL_NA -1
#define TVI_CONTROL_UNKNOWN -2
/* ======================== CONTROLS =========================== */
/* GENERIC controls */
#define TVI_CONTROL_IS_AUDIO 0x1
#define TVI_CONTROL_IS_VIDEO 0x2
#define TVI_CONTROL_IS_TUNER 0x3
#define TVI_CONTROL_IMMEDIATE 0x4
/* VIDEO controls */
#define TVI_CONTROL_VID_GET_FPS 0x101
#define TVI_CONTROL_VID_GET_PLANES 0x102
#define TVI_CONTROL_VID_GET_BITS 0x103
#define TVI_CONTROL_VID_CHK_BITS 0x104
#define TVI_CONTROL_VID_SET_BITS 0x105
#define TVI_CONTROL_VID_GET_FORMAT 0x106
#define TVI_CONTROL_VID_CHK_FORMAT 0x107
#define TVI_CONTROL_VID_SET_FORMAT 0x108
#define TVI_CONTROL_VID_GET_WIDTH 0x109
#define TVI_CONTROL_VID_CHK_WIDTH 0x110
#define TVI_CONTROL_VID_SET_WIDTH 0x111
#define TVI_CONTROL_VID_GET_HEIGHT 0x112
#define TVI_CONTROL_VID_CHK_HEIGHT 0x113
#define TVI_CONTROL_VID_SET_HEIGHT 0x114
#define TVI_CONTROL_VID_GET_BRIGHTNESS 0x115
#define TVI_CONTROL_VID_SET_BRIGHTNESS 0x116
#define TVI_CONTROL_VID_GET_HUE 0x117
#define TVI_CONTROL_VID_SET_HUE 0x118
#define TVI_CONTROL_VID_GET_SATURATION 0x119
#define TVI_CONTROL_VID_SET_SATURATION 0x11a
#define TVI_CONTROL_VID_GET_CONTRAST 0x11b
#define TVI_CONTROL_VID_SET_CONTRAST 0x11c
#define TVI_CONTROL_VID_GET_PICTURE 0x11d
#define TVI_CONTROL_VID_SET_PICTURE 0x11e
#define TVI_CONTROL_VID_SET_GAIN 0x11f
#define TVI_CONTROL_VID_GET_GAIN 0x120
#define TVI_CONTROL_VID_SET_WIDTH_HEIGHT 0x121
/* TUNER controls */
#define TVI_CONTROL_TUN_GET_FREQ 0x201
#define TVI_CONTROL_TUN_SET_FREQ 0x202
#define TVI_CONTROL_TUN_GET_TUNER 0x203 /* update priv->tuner struct for used input */
#define TVI_CONTROL_TUN_SET_TUNER 0x204 /* update priv->tuner struct for used input */
#define TVI_CONTROL_TUN_GET_NORM 0x205
#define TVI_CONTROL_TUN_SET_NORM 0x206
#define TVI_CONTROL_TUN_GET_SIGNAL 0x207
/* AUDIO controls */
#define TVI_CONTROL_AUD_GET_FORMAT 0x301
#define TVI_CONTROL_AUD_GET_SAMPLERATE 0x302
#define TVI_CONTROL_AUD_GET_CHANNELS 0x304
#define TVI_CONTROL_AUD_SET_SAMPLERATE 0x305
/* SPECIFIC controls */
#define TVI_CONTROL_SPC_GET_INPUT 0x401 /* set input channel (tv,s-video,composite..) */
#define TVI_CONTROL_SPC_SET_INPUT 0x402 /* set input channel (tv,s-video,composite..) */
#define TVI_CONTROL_SPC_GET_NORMID 0x403 /* get normid from norm name */
int tv_set_color_options(tvi_handle_t *tvh, int opt, int val);
int tv_get_color_options(tvi_handle_t *tvh, int opt, int* val);
int tv_step_channel_real(tvi_handle_t *tvh, int direction);
int tv_step_channel(tvi_handle_t *tvh, int direction);
#define TV_CHANNEL_LOWER 1
#define TV_CHANNEL_HIGHER 2
int tv_last_channel(tvi_handle_t *tvh);
int tv_set_channel_real(tvi_handle_t *tvh, char *channel);
int tv_set_channel(tvi_handle_t *tvh, char *channel);
int tv_step_norm(tvi_handle_t *tvh);
int tv_step_chanlist(tvi_handle_t *tvh);
int tv_set_freq(tvi_handle_t *tvh, unsigned long freq);
int tv_get_freq(tvi_handle_t *tvh, unsigned long *freq);
int tv_get_signal(tvi_handle_t *tvh);
int tv_step_freq(tvi_handle_t *tvh, float step_interval);
int tv_set_norm(tvi_handle_t *tvh, char* norm);
void tv_start_scan(tvi_handle_t *tvh, int start);
tvi_handle_t *tv_new_handle(int size, struct mp_log *log, const tvi_functions_t *functions);
void tv_free_handle(tvi_handle_t *h);
#define TV_NORM_PAL 1
#define TV_NORM_NTSC 2
#define TV_NORM_SECAM 3
#define TV_NORM_PALNC 4
#define TV_NORM_PALM 5
#define TV_NORM_PALN 6
#define TV_NORM_NTSCJP 7
int tv_uninit(tvi_handle_t *tvh);
void tv_scan(tvi_handle_t *tvh);
int open_tv(tvi_handle_t *tvh);
tvi_handle_t *tv_begin(tv_param_t* tv_param, struct mp_log *log);
int tv_stream_control(tvi_handle_t *tvh, int cmd, void *arg);
extern const struct m_sub_options tv_params_conf;
#endif /* MPLAYER_TV_H */
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