1 /* 2 * TV interface 3 * 4 * Copyright (C) 2001 Alex Beregszászi 5 * Copyright (C) 2007 Attila Ötvös 6 * Copyright (C) 2007 Vladimir Voroshilov <voroshil@gmail.com> 7 * 8 * This file is part of MPlayer. 9 * 10 * MPlayer is free software; you can redistribute it and/or modify 11 * it under the terms of the GNU General Public License as published by 12 * the Free Software Foundation; either version 2 of the License, or 13 * (at your option) any later version. 14 * 15 * MPlayer is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU General Public License for more details. 19 * 20 * You should have received a copy of the GNU General Public License along 21 * with MPlayer; if not, write to the Free Software Foundation, Inc., 22 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 23 */ 24 25 #ifndef MPLAYER_TV_H 26 #define MPLAYER_TV_H 27 28 #include "libmpcodecs/dec_teletext.h" 29 #include "libmpdemux/demuxer.h" 30 31 typedef struct tv_param_s { 32 char *freq; 33 char *channel; 34 char *chanlist; 35 char *norm; 36 int automute; 37 int normid; 38 char *device; 39 char *driver; 40 int width; 41 int height; 42 int input; 43 int outfmt; 44 float fps; 45 char **channels; 46 int noaudio; 47 int immediate; 48 int audiorate; 49 int audio_id; 50 int amode; 51 int volume; 52 int bass; 53 int treble; 54 int balance; 55 int forcechan; 56 int force_audio; 57 int buffer_size; 58 int mjpeg; 59 int decimation; 60 int quality; 61 int alsa; 62 char* adevice; 63 int brightness; 64 int contrast; 65 int hue; 66 int saturation; 67 int gain; 68 struct tt_param teletext; 69 70 int scan; 71 int scan_threshold; 72 float scan_period; 73 /** 74 Terminate stream with video renderer instead of Null renderer 75 Will help if video freezes but audio does not. 76 May not work with -vo directx and -vf crop combination. 77 */ 78 int hidden_video_renderer; 79 /** 80 For VIVO cards VP pin have to be rendered too. 81 This tweak will cause VidePort pin stream to be terminated with video renderer 82 instead of removing it from graph. 83 Use if your card have vp pin and video is still choppy. 84 May not work with -vo directx and -vf crop combination. 85 */ 86 int hidden_vp_renderer; 87 /** 88 Use system clock as sync source instead of default graph clock (usually the clock 89 from one of live sources in graph. 90 */ 91 int system_clock; 92 /** 93 Some audio cards creates audio chunks with about 0.5 sec size. 94 This can cause choppy video when using mplayer with immediatemode=0 95 Use followingtweak to decrease audio chunk sizes. 96 It will create audio chunks with time length equal to one video frame time. 97 */ 98 int normalize_audio_chunks; 99 } tv_param_t; 100 101 extern tv_param_t stream_tv_defaults; 102 103 typedef struct tvi_info_s 104 { 105 struct tvi_handle_s * (*tvi_init)(tv_param_t* tv_param); 106 const char *name; 107 const char *short_name; 108 const char *author; 109 const char *comment; 110 } tvi_info_t; 111 112 113 struct priv; 114 115 typedef struct tvi_functions_s 116 { 117 int (*init)(struct priv *priv); 118 int (*uninit)(struct priv *priv); 119 int (*control)(struct priv *priv, int cmd, void *arg); 120 int (*start)(struct priv *priv); 121 double (*grab_video_frame)(struct priv *priv, char *buffer, int len); 122 int (*get_video_framesize)(struct priv *priv); 123 double (*grab_audio_frame)(struct priv *priv, char *buffer, int len); 124 int (*get_audio_framesize)(struct priv *priv); 125 } tvi_functions_t; 126 127 typedef struct tvi_handle_s { 128 const tvi_functions_t *functions; 129 void *priv; 130 int seq; 131 demuxer_t *demuxer; 132 133 /* specific */ 134 int norm; 135 int chanlist; 136 const struct CHANLIST *chanlist_s; 137 int channel; 138 tv_param_t * tv_param; 139 void * scan; 140 } tvi_handle_t; 141 142 typedef struct tv_channels_s { 143 int index; 144 char number[5]; 145 char name[20]; 146 int norm; 147 int freq; 148 struct tv_channels_s *next; 149 struct tv_channels_s *prev; 150 } tv_channels_t; 151 152 extern tv_channels_t *tv_channel_list; 153 extern tv_channels_t *tv_channel_current, *tv_channel_last; 154 extern char *tv_channel_last_real; 155 156 typedef struct { 157 unsigned int scan_timer; 158 int channel_num; 159 int new_channels; 160 } tv_scan_t; 161 162 #define TVI_CONTROL_FALSE 0 163 #define TVI_CONTROL_TRUE 1 164 #define TVI_CONTROL_NA -1 165 #define TVI_CONTROL_UNKNOWN -2 166 167 /* ======================== CONTROLS =========================== */ 168 169 /* GENERIC controls */ 170 #define TVI_CONTROL_IS_AUDIO 0x1 171 #define TVI_CONTROL_IS_VIDEO 0x2 172 #define TVI_CONTROL_IS_TUNER 0x3 173 #define TVI_CONTROL_IMMEDIATE 0x4 174 175 /* VIDEO controls */ 176 #define TVI_CONTROL_VID_GET_FPS 0x101 177 #define TVI_CONTROL_VID_GET_PLANES 0x102 178 #define TVI_CONTROL_VID_GET_BITS 0x103 179 #define TVI_CONTROL_VID_CHK_BITS 0x104 180 #define TVI_CONTROL_VID_SET_BITS 0x105 181 #define TVI_CONTROL_VID_GET_FORMAT 0x106 182 #define TVI_CONTROL_VID_CHK_FORMAT 0x107 183 #define TVI_CONTROL_VID_SET_FORMAT 0x108 184 #define TVI_CONTROL_VID_GET_WIDTH 0x109 185 #define TVI_CONTROL_VID_CHK_WIDTH 0x110 186 #define TVI_CONTROL_VID_SET_WIDTH 0x111 187 #define TVI_CONTROL_VID_GET_HEIGHT 0x112 188 #define TVI_CONTROL_VID_CHK_HEIGHT 0x113 189 #define TVI_CONTROL_VID_SET_HEIGHT 0x114 190 #define TVI_CONTROL_VID_GET_BRIGHTNESS 0x115 191 #define TVI_CONTROL_VID_SET_BRIGHTNESS 0x116 192 #define TVI_CONTROL_VID_GET_HUE 0x117 193 #define TVI_CONTROL_VID_SET_HUE 0x118 194 #define TVI_CONTROL_VID_GET_SATURATION 0x119 195 #define TVI_CONTROL_VID_SET_SATURATION 0x11a 196 #define TVI_CONTROL_VID_GET_CONTRAST 0x11b 197 #define TVI_CONTROL_VID_SET_CONTRAST 0x11c 198 #define TVI_CONTROL_VID_GET_PICTURE 0x11d 199 #define TVI_CONTROL_VID_SET_PICTURE 0x11e 200 #define TVI_CONTROL_VID_SET_GAIN 0x11f 201 #define TVI_CONTROL_VID_GET_GAIN 0x120 202 #define TVI_CONTROL_VID_SET_WIDTH_HEIGHT 0x121 203 204 /* TUNER controls */ 205 #define TVI_CONTROL_TUN_GET_FREQ 0x201 206 #define TVI_CONTROL_TUN_SET_FREQ 0x202 207 #define TVI_CONTROL_TUN_GET_TUNER 0x203 /* update priv->tuner struct for used input */ 208 #define TVI_CONTROL_TUN_SET_TUNER 0x204 /* update priv->tuner struct for used input */ 209 #define TVI_CONTROL_TUN_GET_NORM 0x205 210 #define TVI_CONTROL_TUN_SET_NORM 0x206 211 #define TVI_CONTROL_TUN_GET_SIGNAL 0x207 212 213 /* AUDIO controls */ 214 #define TVI_CONTROL_AUD_GET_FORMAT 0x301 215 #define TVI_CONTROL_AUD_GET_SAMPLERATE 0x302 216 #define TVI_CONTROL_AUD_GET_SAMPLESIZE 0x303 217 #define TVI_CONTROL_AUD_GET_CHANNELS 0x304 218 #define TVI_CONTROL_AUD_SET_SAMPLERATE 0x305 219 220 /* SPECIFIC controls */ 221 #define TVI_CONTROL_SPC_GET_INPUT 0x401 /* set input channel (tv,s-video,composite..) */ 222 #define TVI_CONTROL_SPC_SET_INPUT 0x402 /* set input channel (tv,s-video,composite..) */ 223 #define TVI_CONTROL_SPC_GET_NORMID 0x403 /* get normid from norm name */ 224 225 //tvi_* ioctl (not dec_teletext.c !!!) 226 #define TVI_CONTROL_VBI_INIT 0x501 ///< vbi init 227 #define TVI_CONTROL_GET_VBI_PTR 0x502 ///< get teletext private pointer 228 229 int tv_set_color_options(tvi_handle_t *tvh, int opt, int val); 230 int tv_get_color_options(tvi_handle_t *tvh, int opt, int* val); 231 #define TV_COLOR_BRIGHTNESS 1 232 #define TV_COLOR_HUE 2 233 #define TV_COLOR_SATURATION 3 234 #define TV_COLOR_CONTRAST 4 235 236 int tv_step_channel_real(tvi_handle_t *tvh, int direction); 237 int tv_step_channel(tvi_handle_t *tvh, int direction); 238 #define TV_CHANNEL_LOWER 1 239 #define TV_CHANNEL_HIGHER 2 240 241 int tv_last_channel(tvi_handle_t *tvh); 242 243 int tv_set_channel_real(tvi_handle_t *tvh, char *channel); 244 int tv_set_channel(tvi_handle_t *tvh, char *channel); 245 246 int tv_step_norm(tvi_handle_t *tvh); 247 int tv_step_chanlist(tvi_handle_t *tvh); 248 249 int tv_set_freq(tvi_handle_t *tvh, unsigned long freq); 250 int tv_get_freq(tvi_handle_t *tvh, unsigned long *freq); 251 int tv_get_signal(tvi_handle_t *tvh); 252 int tv_step_freq(tvi_handle_t *tvh, float step_interval); 253 254 int tv_set_norm(tvi_handle_t *tvh, char* norm); 255 256 void tv_start_scan(tvi_handle_t *tvh, int start); 257 258 tvi_handle_t *tv_new_handle(int size, const tvi_functions_t *functions); 259 void tv_free_handle(tvi_handle_t *h); 260 261 #define TV_NORM_PAL 1 262 #define TV_NORM_NTSC 2 263 #define TV_NORM_SECAM 3 264 #define TV_NORM_PALNC 4 265 #define TV_NORM_PALM 5 266 #define TV_NORM_PALN 6 267 #define TV_NORM_NTSCJP 7 268 269 #endif /* MPLAYER_TV_H */ 270