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avd.h
资源名称：8202s.rar　[点击查看]
上传用户：poi891205
上传日期：2013-07-15
资源大小：9745k
文件大小：7k
源码类别：

DVD

开发平台：

C/C++

avd.h：源码内容
  1. #ifndef __AVD_H
  2. #define __AVD_H
  4. #include "types.h"
  5. #ifndef EXTERN
  6. #define EXTERN extern
  7. #endif
  9. /*
  10. ** MPEG1 AV Decoder States.
  11. */
  12. enum
  13. {
  14.     STATE_IDLE              = 0x00, // 00
  15.     STATE_PLAY              = 0x10, // 10
  16.     STATE_PLAYONEROMSLIDE,          // 11
  17.     STATE_PLAYROMSLIDE,             // 12
  18.     STATE_PLAYSLIDE,                // 13
  19.     STATE_PLAYMP3,                  // 14
  20.     STATE_FAST,                     // 15
  21.     STATE_FREEZE,                   // 16
  22.     STATE_PAUSE,                    // 17
  23.     STATE_PREVIEW,     // 18
  24.     STATE_READCD,
  25.     STATE_SLOWMOTION,
  26.     STATE_SINGLESTEP,
  27.     STATE_FINDFIRSTNAV,
  28.     STATE_FINDFIRSTSEQ,
  29.     STATE_1STREF,
  30.     STATE_REFS, // play reference picture only
  31.     STATE_BACKWARD,
  32.     STATE_SEARCH            = 0x40,
  33. };
  36. /*
  37. ** VARIABLE
  38. ** AVD_state
  39. **
  40. ** MPEG A/V Decoder State
  41. */
  42. EXTERN BYTE AVD_state;
  43. EXTERN UINT8 AVD_playback_state;
  44. EXTERN UINT8 AVD_pause_mode;
  45. EXTERN INT8 AVD_fast_factor;
  46. EXTERN INT8 AVD_slow_factor;
  48. #define AVD_PAUSE_PAUSE 1
  49. #define AVD_PAUSE_STEP 2
  50. #define AVD_PAUSE_OFF 0
  52. //
  53. // LBA state
  54. EXTERN INT8 batch_fast_time;
  55. EXTERN INT8 ready_to_jump;
  56. EXTERN UINT8 VOBU_DIS;
  57. EXTERN UINT8 VOBU_PARSE;
  59. #define SetAVDState(x) (AVD_state=(x))
  62. //
  63. // VARIABLE
  64. // AVD_ctrl_flag
  65. //
  66. // MPEG A/V Decoder State Generated Flags.
  67. //
  68. #define AVD_REALTIME 0x20 /* realtime playback?? */
  69. #define AVD_SLIDE 0x10 /* playing current-decoding */
  70. #define AVD_PREVIEW 0x08 /* 9x9 preview?? */
  71. #define AVD_NOAUDIO 0x04
  72. #define AVD_PLAY_I 0x02 /* play I only */
  73. #define AVD_PLAY_IP 0x01 /* play IP only */
  75. EXTERN UINT8 AVD_ctrl_flag;
  77. #define IsAVDPlayIPB() ((AVD_ctrl_flag & (AVD_PLAY_I|AVD_PLAY_IP))==0)
  78. #define IsAVDRealTime() (AVD_ctrl_flag & AVD_REALTIME)
  79. #define IsAVDPreview() (AVD_ctrl_flag & AVD_PREVIEW)
  82. #define IsAVDSkipB()         0
  85. //
  86. // VARIABLE
  87. //
  88. // program playback state
  89. //
  90. // normal
  91. // fast-forward
  92. // fast-backward
  93. // slow-forward (slow-factor)
  94. // slow-backward (fast-factor)
  95. // step
  96. // pause
  97. //
  98. #define AVDST_PLAYBACK_NORMAL 0x10
  99. #define AVDST_PLAYBACK_FASTFORWARD 0x11
  100. #define AVDST_PLAYBACK_FASTBACKWARD 0x12
  101. #define AVDST_PLAYBACK_SLOWFORWARD 0x13
  102. #define AVDST_PLAYBACK_SLOWBACKWARD 0x14
  103. #define AVDST_PLAYBACK_STEP 0x15
  104. #define AVDST_PLAYBACK_PAUSE 0x16
  106. #define IsAVDPaused()         (P_frame<0)
  107. #define is_avd_playback_step() (P_frame>0)
  108. #define is_avd_playback_pause() (P_frame<0)
  109. #define is_avd_playback_fastforward() (AVD_fast_factor>0)
  110. #define is_avd_playback_fastbackward() (AVD_fast_factor<0)
  111. #define is_avd_playback_slowforward() (AVD_slow_factor>0)
  112. #define is_avd_playback_slowbackward() (AVD_slow_factor<0)
  114. // combo
  115. #define is_avd_playback_step_or_pause() (P_frame!=0)
  116. #define is_avd_playback_slow() (AVD_slow_factor)
  117. #define is_avd_playback_fast() (AVD_fast_factor)
  120. #define is_avd_no_audio() (AVD_ctrl_flag & AVD_NOAUDIO)
  122. #define get_avd_frame_to_play() (P_frame)
  123. #define set_avd_frame_to_play(n) (P_frame = (n))
  125. #define is_avd_play_romslide()          (AVD_state==STATE_PLAYROMSLIDE 
  126.                                         || AVD_state==STATE_PLAYONEROMSLIDE)
  127. #define is_avd_preview()                (IsAVDPreview())
  131. //
  132. // VARIABLE
  133. // AVD_video_flag
  134. //
  135. // video bitstream level status.
  136. //
  137. // 1. NTSC/PAL frame-rate
  138. // 2. NTSC/PAL size
  139. //
  140. EXTERN UINT8 AVD_video_flags;
  142. // decode type
  143. #define AVD_VIDEO_FRAMERATE_UNKNOWN 0
  144. #define AVD_VIDEO_FRAMERATE_NTSC        1
  145. #define AVD_VIDEO_FRAMERATE_PAL 2
  146. #define AVD_VIDEO_FRAMERATE_MOVIE 3
  147. #define AVD_VIDEO_FRAMERATE_MASK        3
  149. // decode size
  150. #define AVD_VIDEO_SIZE_PAL              (1<<2)
  151. #define AVD_VIDEO_SIZE_MASK             (1<<2)
  153. // decode framerate
  154. #define AVD_VIDEO_FRAMERATE             (1<<7)
  157. //
  158. // VARIABLE
  159. // AVD_video_status
  160. //
  161. // AVD_VIDEO_DECODED        has start to decoding at least 1 frame
  162. // AVD_VIDEO_DECODED_MULTI  has start to decoding more then 1 frame
  163. //
  164. EXTERN UINT8 AVD_video_status;
  166. #define AVD_VIDEO_DECODED (1<<2)
  167. #define AVD_VIDEO_DECODED_MULTI (1<<3)
  169. #define avd_set_decoded()
  170. do {    
  171.             unsigned status = AVD_video_status;     
  172.             if (status&AVD_VIDEO_DECODED) status |= AVD_VIDEO_DECODED_MULTI;    
  173.             AVD_video_status = status | AVD_VIDEO_DECODED;  
  174. } while (0)
  176. #define is_avd_decoded() (AVD_video_status & AVD_VIDEO_DECODED)
  177. #define is_avd_decoded_first() ((AVD_video_status & (AVD_VIDEO_DECODED|AVD_VIDEO_DECODED_MULTI))==AVD_VIDEO_DECODED)
  180. //
  181. // VARIABLE
  182. // AVD_media_status
  183. //
  184. // indicate current playback interrupt/timeout/end/error
  185. //
  186. // AVD_MEDIA_TIMEOUT
  187. // request to stop playback as soon as possible
  188. //
  189. // AVD_MEDIA_INTERRUPT
  190. // request to stop playback immediately
  191. //
  192. // AVD_MEDIA_ERROR
  193. // internal error, stop playback immediately.
  194. //
  195. #define AVD_MEDIA_TIMEOUT (1<<0)
  196. #define AVD_MEDIA_INTERRUPT (1<<1)
  197. #define AVD_MEDIA_ERROR (1<<7)
  199. EXTERN UINT8 AVD_media_status;
  201. int IsAVDMediaTimeout(void);
  202. int IsAVDMediaInterrupt(void);
  203. int IsAVDMediaError(void);
  204. int AVD_SetMediaTimeout(void);
  205. int AVD_SetMediaInterrupt(void);
  206. int AVD_SetMediaError(void);
  207. void AVD_ResetMediaStatus(void);
  210. //
  211. // VARIABLE
  212. // avd_src_realtime()
  213. //
  214. // DESCRIPTION
  215. // source is to be playbacked in realtime control
  216. // (rom-based slide has no realtime control)
  217. //
  218. EXTERN  UINT8   avd_src_realtime;
  219. #define is_avd_src_realtime() (avd_src_realtime)
  222. //
  223. // is_avd_tv_auto()
  224. // decide if we have to do tv-format auto-switching
  225. // don't auto-switch tv-format when (preview or rom-based title/fixed-sequence)
  226. //
  227. #define is_avd_tv_auto() (!(is_avd_play_romslide() || is_avd_preview()))
  230. EXTERN UINT8 avd_slow_factor;
  232. void avd_idle_state();
  233. void avd_play_state();
  234. void avd_fast_state();
  235. void avd_preview_state(void);
  236. void avd_playoneromslide_state(void);
  237. void avd_playromslide_state(void);
  238. void avd_pause_on();
  239. void avd_pause_off();
  240. void avd_step_state(int);
  241. void avd_slow_state(int);
  243. #define avd_play_frame(n) avd_step_state(n)
  244. #define avd_slow(n) avd_slow_state(n)
  246. //
  247. // VARIABLE
  248. // avd_interpolation
  249. // Display-Interpolation
  250. //
  251. #define AVD_DISP_INTP_AUTO 0
  252. #define AVD_DISP_INTP_PROGRESSIVE 1
  253. #define AVD_DISP_INTP_SINGLE 2
  254. EXTERN UINT8 avd_interpolation;
  255. #define avd_disp_intp_mode(md) (avd_interpolation = (md))
  257. #define is_avd_forced_progressive() (avd_interpolation==AVD_DISP_INTP_PROGRESSIVE)
  258. #define is_avd_forced_single() (avd_interpolation==AVD_DISP_INTP_SINGLE)
  260. //
  261. // VARIABLE
  262. // avd_pause_interpolation
  263. // Display-Interpolation during pause
  264. // (same definition as avd_interpolation)
  265. //
  266. EXTERN UINT8 avd_pause_interpolation;
  267. #define avd_disp_pause_intp_mode(md) (avd_pause_interpolation = (md))
  271. //
  272. // vcd/dvd
  273. #define avd_is_vcd() (cd_type_loaded==CDVCD20 || cd_type_loaded==CDVCD10)
  274. #define avd_is_dvd() (cd_type_loaded==CDDVD)
  275. #define avd_is_cdrom() (cd_type_loaded==CDROM)
  276. #define avd_is_svcd() (cd_type_loaded==CDSVCD)
  277. #define avd_is_cvd() (cd_type_loaded==CDCVD)
  278. #define avd_is_cdda() (cd_type_loaded==CDDA)
  280. extern  int avd_is_midi(void);
  284. #endif/*__AVD_H*/