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/ IRIX Base Documentation 2002 November / SGI IRIX Base Documentation 2002 November.iso / usr / share / catman / p_man / cat3dm / dmedia / dmDVAudioDecoderGetParams.z / dmDVAudioDecoderGetParams
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Text File  |  2002-10-03  |  6.8 KB  |  133 lines
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  4. ddddmmmmDDDDVVVVAAAAuuuuddddiiiiooooDDDDeeeeccccooooddddeeeerrrrGGGGeeeettttPPPPaaaarrrraaaammmmssss((((3333ddddmmmm))))                  ddddmmmmDDDDVVVVAAAAuuuuddddiiiiooooDDDDeeeeccccooooddddeeeerrrrGGGGeeeettttPPPPaaaarrrraaaammmmssss((((3333ddddmmmm))))
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  8. NNNNAAAAMMMMEEEE
  9.      dmDVAudioDecoderGetParams - get DV audio decoder parameter values
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  12. SSSSYYYYNNNNOOOOPPPPSSSSIIIISSSS
  13.      ####iiiinnnncccclllluuuuddddeeee <<<<ddddmmmmeeeeddddiiiiaaaa////ddddmmmm____aaaauuuuddddiiiioooouuuuttttiiiillll....hhhh>>>>
  14.      ####iiiinnnncccclllluuuuddddeeee <<<<ddddmmmmeeeeddddiiiiaaaa////ddddmmmm____aaaauuuuddddiiiioooo....hhhh>>>>
  15.      ####iiiinnnncccclllluuuuddddeeee <<<<ddddmmmmeeeeddddiiiiaaaa////ddddmmmm____ppppaaaarrrraaaammmmssss....hhhh>>>>
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  17.      DDDDMMMMssssttttaaaattttuuuussss ddddmmmmDDDDVVVVAAAAuuuuddddiiiiooooDDDDeeeeccccooooddddeeeerrrrGGGGeeeettttPPPPaaaarrrraaaammmmssss((((DDDDMMMMDDDDVVVVaaaauuuuddddiiiiooooddddeeeeccccooooddddeeeerrrr hhhhaaaannnnddddlllleeee,,,,
  18.                                    DDDDMMMMppppaaaarrrraaaammmmssss ****ppppaaaarrrraaaammmmssss))))
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  21. PPPPAAAARRRRAAAAMMMMEEEETTTTEEEERRRR
  22.      _h_a_n_d_l_e   DDDDMMMMDDDDVVVVaaaauuuuddddiiiiooooddddeeeeccccooooddddeeeerrrr structure, created by
  23.               ddddmmmmDDDDVVVVAAAAuuuuddddiiiiooooDDDDeeeeccccooooddddeeeerrrrCCCCrrrreeeeaaaatttteeee((((3333ddddmmmm)))).
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  26.      _p_a_r_a_m_s   Parameters returned from the query.
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  29. RRRREEEETTTTUUUURRRRNNNNEEEEDDDD VVVVAAAALLLLUUUUEEEE
  30.      Returns DDDDMMMM____SSSSUUUUCCCCCCCCEEEESSSSSSSS or DDDDMMMM____FFFFAAAAIIIILLLLUUUURRRREEEE.
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  33. DDDDEEEESSSSCCCCRRRRIIIIPPPPTTTTIIIIOOOONNNN
  34.      ddddmmmmDDDDVVVVAAAAuuuuddddiiiiooooDDDDeeeeccccooooddddeeeerrrrGGGGeeeettttPPPPaaaarrrraaaammmmssss((((3333ddddmmmm)))) gets state of DV audio decoder with
  35.      _p_a_r_a_m_s.
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  38.      The set of parameters of _p_a_r_a_m_s returned by the query are defined in
  39.      _d_m_e_d_i_a/_d_m__a_u_d_i_o_u_t_i_l._h and _d_m_e_d_i_a/_d_m__a_u_d_i_o._h:
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  41.      DDDDMMMM____DDDDVVVVAAAAUUUUDDDDIIIIOOOO____FFFFOOOORRRRMMMMAAAATTTT - either DM_DVAUDIO_NTSC or DM_DVAUDIO_PAL
  42.      DDDDMMMM____DDDDVVVVAAAAUUUUDDDDIIIIOOOO____TTTTYYYYPPPPEEEE - either DM_DVAUDIO_DV or DM_DVAUDIO_DVCPRO
  43.      DDDDMMMM____AAAAUUUUDDDDIIIIOOOO____CCCCOOOODDDDEEEECCCC____MMMMAAAAXXXX____BBBBYYYYTTTTEEEESSSS____PPPPEEEERRRR____BBBBLLLLOOOOCCCCKKKK - either 120000 for NTSC or 144000 for
  44.      PAL
  45.      DDDDMMMM____AAAAUUUUDDDDIIIIOOOO____CCCCHHHHAAAANNNNNNNNEEEELLLLSSSS - number of channels of audio (1 or 2 or 4)
  46.      DDDDMMMM____AAAAUUUUDDDDIIIIOOOO____WWWWIIIIDDDDTTTTHHHH - will always be 16
  47.      DDDDMMMM____DDDDVVVVAAAAUUUUDDDDIIIIOOOO____CCCCHHHHAAAANNNNNNNNEEEELLLL____MMMMOOOODDDDEEEE - either DM_DVAUDIO_SD_2CH or DM_DVAUDIO_SD_4CH
  48.      DDDDMMMM____DDDDVVVVAAAAUUUUDDDDIIIIOOOO____CCCCHHHHAAAANNNNNNNNEEEELLLL____PPPPOOOOLLLLIIIICCCCYYYY - integer 1-19, described in dm_audioutil.h,
  49.      which specify exactly how the audio is layed out inside the DIF frame.
  50.      DDDDMMMM____MMMMEEEEDDDDIIIIUUUUMMMM - will always be DM_AUDIO
  51.      DDDDMMMM____AAAAUUUUDDDDIIIIOOOO____BBBBYYYYTTTTEEEE____OOOORRRRDDDDEEEERRRR - will always be DM_AUDIO_BIG_ENDIAN
  52.      DDDDMMMM____AAAAUUUUDDDDIIIIOOOO____FFFFOOOORRRRMMMMAAAATTTT - will always be DM_AUDIO_TWOS_COMPLEMENT
  53.      DDDDMMMM____AAAAUUUUDDDDIIIIOOOO____RRRRAAAATTTTEEEE - the sample rate in floating point (ex: 48000.0)
  54.      DDDDMMMM____AAAAUUUUDDDDIIIIOOOO____CCCCOOOODDDDEEEECCCC____FFFFRRRRAAAAMMMMEEEESSSS____PPPPEEEERRRR____BBBBLLLLOOOOCCCCKKKK - the maximum number of samples this DIF
  55.      frame could possibly contain
  56.      DDDDMMMM____DDDDVVVVAAAAUUUUDDDDIIIIOOOO____MMMMIIIINNNN____FFFFRRRRAAAAMMMMEEEESSSS____PPPPEEEERRRR____BBBBLLLLOOOOCCCCKKKK - the miniumum number of frames this DIF
  57.      frame could possibly contain
  58.      DDDDMMMM____AAAAUUUUDDDDIIIIOOOO____CCCCOOOODDDDEEEECCCC____FFFFIIIILLLLTTTTEEEERRRR____DDDDEEEELLLLAAAAYYYY - always zero
  59.      DDDDMMMM____DDDDVVVVAAAAUUUUDDDDIIIIOOOO____LLLLOOOOCCCCKKKK____MMMMOOOODDDDEEEE - non-zero if audio is locked according to the DV
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  63.                                                                         PPPPaaaaggggeeee 1111
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  70. ddddmmmmDDDDVVVVAAAAuuuuddddiiiiooooDDDDeeeeccccooooddddeeeerrrrGGGGeeeettttPPPPaaaarrrraaaammmmssss((((3333ddddmmmm))))                  ddddmmmmDDDDVVVVAAAAuuuuddddiiiiooooDDDDeeeeccccooooddddeeeerrrrGGGGeeeettttPPPPaaaarrrraaaammmmssss((((3333ddddmmmm))))
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  74.      audio specification.  Zero if it is not locked.
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  77. SSSSEEEEEEEE AAAALLLLSSSSOOOO
  78.      dmDVAudioDecoderCreate(3dm), dmDVAudioDecoderSetParams(3dm),
  79.      dmDVAudioDecode(3dm).
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  129.                                                                         PPPPaaaaggggeeee 2222
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