# riff ids

## Structures

### gst_riff_acid

    typedef struct _gst_riff_acid {
      /* 4 bytes (int)     type of file:
       *  this appears to be a bit mask,however some combinations
       *  are probably impossible and/or qualified as "errors"
       *
       *  0x01 On: One Shot         Off: Loop
       *  0x02 On: Root note is Set Off: No root
       *  0x04 On: Stretch is On,   Off: Stretch is OFF
       *  0x08 On: Disk Based       Off: Ram based
       *  0x10 On: ??????????       Off: ????????? (Acidizer puts that ON)
       */
      guint32 loop_type;
      /* 2 bytes (short)      root note
       *  if type 0x10 is OFF : [C,C#,(...),B] -> [0x30 to 0x3B]
       *  if type 0x10 is ON  : [C,C#,(...),B] -> [0x3C to 0x47]
       *  (both types fit on same MIDI pitch albeit different octaves, so who cares)
       */
      guint16 root_note;
      /* 2 bytes (short)      ??? always set to 0x8000
       * 4 bytes (float)      ??? seems to be always 0
       */
      guint16 unknown1;
      gfloat unknown2;
      /* 4 bytes (int)        number of beats
       * 2 bytes (short)      meter denominator   //always 4 in SF/ACID
       * 2 bytes (short)      meter numerator     //always 4 in SF/ACID
       *                      //are we sure about the order?? usually its num/denom
       * 4 bytes (float)      tempo
       */
      guint32 number_of_beats;
      guint16 meter_d, meter_n;
      gfloat tempo;
    } gst_riff_acid;

#### Fields

`loop_type` (guint32) –
No description available
`root_note` (guint16) –
No description available
`unknown1` (guint16) –
No description available
`unknown2` (gfloat) –
No description available
`number_of_beats` (guint32) –
No description available
`meter_d` (guint16) –
No description available
`meter_n` (guint16) –
No description available
`tempo` (gfloat) –
No description available

### gst_riff_dmlh

    typedef struct _gst_riff_dmlh {
      guint32 totalframes;
    } gst_riff_dmlh;

#### Fields

`totalframes` (guint32) –
No description available

### gst_riff_index_entry

    typedef struct _gst_riff_index_entry {
      guint32 id;
      guint32 flags;
    #define GST_RIFF_IF_LIST                (0x00000001L)
    #define GST_RIFF_IF_KEYFRAME            (0x00000010L)
    #define GST_RIFF_IF_NO_TIME             (0x00000100L)
    #define GST_RIFF_IF_COMPUSE             (0x0FFF0000L)
      guint32 offset;
      guint32 size;
    } gst_riff_index_entry;

#### Fields

`id` (guint32) –
No description available
`flags` (guint32) –
No description available
`offset` (guint32) –
No description available
`size` (guint32) –
No description available

### gst_riff_strf_auds

    typedef struct _gst_riff_strf_auds {       /* == WaveHeader (?) */
      guint16 format;
    /**** from public Microsoft RIFF docs ******/
    #define GST_RIFF_WAVE_FORMAT_UNKNOWN        (0x0000)
    #define GST_RIFF_WAVE_FORMAT_PCM            (0x0001)
    #define GST_RIFF_WAVE_FORMAT_ADPCM          (0x0002)
    #define GST_RIFF_WAVE_FORMAT_IEEE_FLOAT     (0x0003)
    #define GST_RIFF_WAVE_FORMAT_VSELP          (0x0004)
    #define GST_RIFF_WAVE_FORMAT_IBM_CVSD       (0x0005)
    #define GST_RIFF_WAVE_FORMAT_ALAW           (0x0006)
    #define GST_RIFF_WAVE_FORMAT_MULAW          (0x0007)
    #define GST_RIFF_WAVE_FORMAT_WMS            (0x000a) /* WMS Windows Media Audio Speech */
    #define GST_RIFF_WAVE_FORMAT_OKI_ADPCM      (0x0010)
    #define GST_RIFF_WAVE_FORMAT_DVI_ADPCM      (0x0011)
    #define GST_RIFF_WAVE_FORMAT_MEDIASPACE_ADPCM (0x0012)
    #define GST_RIFF_WAVE_FORMAT_SIERRA_ADPCM   (0x0013)
    #define GST_RIFF_WAVE_FORMAT_G723_ADPCM     (0x0014)
    #define GST_RIFF_WAVE_FORMAT_DIGISTD        (0x0015)
    #define GST_RIFF_WAVE_FORMAT_DIGIFIX        (0x0016)
    #define GST_RIFF_WAVE_FORMAT_DIALOGIC_OKI_ADPCM (0x0017)
    #define GST_RIFF_WAVE_FORMAT_MEDIAVISION_ADPCM  (0x0018)
    #define GST_RIFF_WAVE_FORMAT_CU_CODEC       (0x0019)
    #define GST_RIFF_WAVE_FORMAT_YAMAHA_ADPCM   (0x0020)
    #define GST_RIFF_WAVE_FORMAT_SONARC         (0x0021)
    #define GST_RIFF_WAVE_FORMAT_DSP_TRUESPEECH (0x0022)
    #define GST_RIFF_WAVE_FORMAT_ECHOSC1        (0x0023)
    #define GST_RIFF_WAVE_FORMAT_AUDIOFILE_AF36 (0x0024)
    #define GST_RIFF_WAVE_FORMAT_APTX           (0x0025)
    #define GST_RIFF_WAVE_FORMAT_AUDIOFILE_AF10 (0x0026)
    #define GST_RIFF_WAVE_FORMAT_PROSODY_1612   (0x0027)
    #define GST_RIFF_WAVE_FORMAT_LRC            (0x0028)
    #define GST_RIFF_WAVE_FORMAT_DOLBY_AC2      (0x0030)
    #define GST_RIFF_WAVE_FORMAT_GSM610         (0x0031)
    #define GST_RIFF_WAVE_FORMAT_MSN            (0x0032)
    #define GST_RIFF_WAVE_FORMAT_ANTEX_ADPCME   (0x0033)
    #define GST_RIFF_WAVE_FORMAT_CONTROL_RES_VQLPC (0x0034)
    #define GST_RIFF_WAVE_FORMAT_DIGIREAL       (0x0035)
    #define GST_RIFF_WAVE_FORMAT_DIGIADPCM      (0x0036)
    #define GST_RIFF_WAVE_FORMAT_CONTROL_RES_CR10  (0x0037)
    #define GST_RIFF_WAVE_FORMAT_NMS_VBXADPCM   (0x0038)
    #define GST_RIFF_WAVE_FORMAT_CS_IMAADPCM    (0x0039)
    #define GST_RIFF_WAVE_FORMAT_ECHOSC3        (0x003A)
    #define GST_RIFF_WAVE_FORMAT_ROCKWELL_ADPCM (0x003B)
    #define GST_RIFF_WAVE_FORMAT_ROCKWELL_DIGITALK (0x003C)
    #define GST_RIFF_WAVE_FORMAT_XEBEC          (0x003D)
    #define GST_RIFF_WAVE_FORMAT_ITU_G721_ADPCM (0x0040)
    #define GST_RIFF_WAVE_FORMAT_G728_CELP      (0x0041)
    #define GST_RIFF_WAVE_FORMAT_MSG723         (0x0042)
    #define GST_RIFF_WAVE_FORMAT_ITU_G726_ADPCM (0x0045)
    #define GST_RIFF_WAVE_FORMAT_MPEGL12        (0x0050)
    #define GST_RIFF_WAVE_FORMAT_RT24           (0x0052)
    #define GST_RIFF_WAVE_FORMAT_PAC            (0x0053)
    #define GST_RIFF_WAVE_FORMAT_MPEGL3         (0x0055)
    #define GST_RIFF_WAVE_FORMAT_AMR_NB         (0x0057)
    #define GST_RIFF_WAVE_FORMAT_AMR_WB         (0x0058)
    #define GST_RIFF_WAVE_FORMAT_LUCENT_G723    (0x0059)
    #define GST_RIFF_WAVE_FORMAT_CIRRUS         (0x0060)
    #define GST_RIFF_WAVE_FORMAT_ADPCM_IMA_DK4  (0x0061)  /* not official */
    #define GST_RIFF_WAVE_FORMAT_ADPCM_IMA_DK3  (0x0062)  /* not official */
    /* FIXME: where are these from? are they used at all? */
    #if 0
    #define GST_RIFF_WAVE_FORMAT_ESPCM          (0x0061)
    #define GST_RIFF_WAVE_FORMAT_VOXWARE        (0x0062)
    #endif
    #define GST_RIFF_WAVE_FORMAT_CANOPUS_ATRAC  (0x0063)
    #define GST_RIFF_WAVE_FORMAT_G726_ADPCM     (0x0064)
    #define GST_RIFF_WAVE_FORMAT_G722_ADPCM     (0x0065)
    #define GST_RIFF_WAVE_FORMAT_ADPCM_G722     (0x028F)
    #define GST_RIFF_WAVE_FORMAT_DSAT_DISPLAY   (0x0067)
    #define GST_RIFF_WAVE_FORMAT_ADPCM_IMA_WAV (0x0069)
    /* FIXME: where are these from? are they used at all? */
    #if 0
    #define GST_RIFF_WAVE_FORMAT_VOXWARE_BYTE_ALIGNED (0x0069)
    #endif
    #define GST_RIFF_WAVE_FORMAT_VOXWARE_AC8    (0x0070)
    #define GST_RIFF_WAVE_FORMAT_VOXWARE_AC10   (0x0071)
    #define GST_RIFF_WAVE_FORMAT_VOXWARE_AC16   (0x0072)
    #define GST_RIFF_WAVE_FORMAT_VOXWARE_AC20   (0x0073)
    #define GST_RIFF_WAVE_FORMAT_VOXWARE_METAVOICE (0x0074)
    #define GST_RIFF_WAVE_FORMAT_VOXWARE_METASOUND (0x0075)
    #define GST_RIFF_WAVE_FORMAT_VOXWARE_RT29HW (0x0076)
    #define GST_RIFF_WAVE_FORMAT_VOXWARE_VR12   (0x0077)
    #define GST_RIFF_WAVE_FORMAT_VOXWARE_VR18   (0x0078)
    #define GST_RIFF_WAVE_FORMAT_VOXWARE_TQ40   (0x0079)
    #define GST_RIFF_WAVE_FORMAT_SOFTSOUND      (0x0080)
    #define GST_RIFF_WAVE_FORMAT_VOXWARE_TQ60   (0x0081)
    #define GST_RIFF_WAVE_FORMAT_MSRT24         (0x0082)
    #define GST_RIFF_WAVE_FORMAT_G729A          (0x0083)
    #define GST_RIFF_WAVE_FORMAT_MVI_MVI2       (0x0084)
    #define GST_RIFF_WAVE_FORMAT_DF_G726        (0x0085)
    #define GST_RIFF_WAVE_FORMAT_DF_GSM610      (0x0086)
    #define GST_RIFF_WAVE_FORMAT_ISIAUDIO       (0x0088)
    #define GST_RIFF_WAVE_FORMAT_ONLIVE         (0x0089)
    #define GST_RIFF_WAVE_FORMAT_SBC24          (0x0091)
    #define GST_RIFF_WAVE_FORMAT_DOLBY_AC3_SPDIF  (0x0092)
    #define GST_RIFF_WAVE_FORMAT_MEDIASONIC_G723  (0x0093)
    #define GST_RIFF_WAVE_FORMAT_PROSODY_8KBPS  (0x0094)
    #define GST_RIFF_WAVE_FORMAT_ZYXEL_ADPCM    (0x0097)
    #define GST_RIFF_WAVE_FORMAT_PHILIPS_LPCBB  (0x0098)
    #define GST_RIFF_WAVE_FORMAT_PACKED         (0x0099)
    #define GST_RIFF_WAVE_FORMAT_MALDEN_PHONYTALK (0x00A0)
    #define GST_RIFF_WAVE_FORMAT_AAC            (0x00ff)
    #define GST_RIFF_WAVE_FORMAT_RHETOREX_ADPCM (0x0100)
    #define GST_RIFF_IBM_FORMAT_MULAW           (0x0101)
    #define GST_RIFF_IBM_FORMAT_ALAW            (0x0102)
    #define GST_RIFF_IBM_FORMAT_ADPCM           (0x0103)
    #define GST_RIFF_WAVE_FORMAT_VIVO_G723      (0x0111)
    #define GST_RIFF_WAVE_FORMAT_VIVO_SIREN     (0x0112)
    #define GST_RIFF_WAVE_FORMAT_DIGITAL_G723   (0x0123)
    #define GST_RIFF_WAVE_FORMAT_SANYO_LD_ADPCM (0x0125)
    #define GST_RIFF_WAVE_FORMAT_SIPROLAB_ACEPLNET  (0x0130)
    #define GST_RIFF_WAVE_FORMAT_SIPROLAB_ACELP4800 (0x0131)
    #define GST_RIFF_WAVE_FORMAT_SIPROLAB_ACELP8V3  (0x0132)
    #define GST_RIFF_WAVE_FORMAT_SIPROLAB_G729   (0x0133)
    #define GST_RIFF_WAVE_FORMAT_SIPROLAB_G729A  (0x0134)
    #define GST_RIFF_WAVE_FORMAT_SIPROLAB_KELVIN (0x0135)
    #define GST_RIFF_WAVE_FORMAT_G726ADPCM       (0x0140)
    #define GST_RIFF_WAVE_FORMAT_QUALCOMM_PUREVOICE (0x0150)
    #define GST_RIFF_WAVE_FORMAT_QUALCOMM_HALFRATE  (0x0151)
    #define GST_RIFF_WAVE_FORMAT_TUBGSM             (0x0155)
    #define GST_RIFF_WAVE_FORMAT_WMAV1          (0x0160)
    #define GST_RIFF_WAVE_FORMAT_WMAV2          (0x0161)
    #define GST_RIFF_WAVE_FORMAT_WMAV3          (0x0162)
    #define GST_RIFF_WAVE_FORMAT_WMAV3_L        (0x0163)
    #define GST_RIFF_WAVE_FORMAT_CREATIVE_ADPCM (0x0200)
    #define GST_RIFF_WAVE_FORMAT_CREATIVE_FASTSPEECH8  (0x0202)
    #define GST_RIFF_WAVE_FORMAT_CREATIVE_FASTSPEECH10 (0x0203)
    #define GST_RIFF_WAVE_FORMAT_UHER_ADPCM     (0x0210)
    #define GST_RIFF_WAVE_FORMAT_QUARTERDECK    (0x0220)
    #define GST_RIFF_WAVE_FORMAT_ILINK_VC       (0x0230)
    #define GST_RIFF_WAVE_FORMAT_RAW_SPORT      (0x0240)
    #define GST_RIFF_WAVE_FORMAT_IPI_HSX        (0x0250)
    #define GST_RIFF_WAVE_FORMAT_IPI_RPELP      (0x0251)
    #define GST_RIFF_WAVE_FORMAT_CS2            (0x0260)
    #define GST_RIFF_WAVE_FORMAT_SONY_ATRAC3    (0x0270)
    #define GST_RIFF_WAVE_FORMAT_SIREN          (0x028E)
    #define GST_RIFF_WAVE_FORMAT_FM_TOWNS_SND   (0x0300)
    #define GST_RIFF_WAVE_FORMAT_BTV_DIGITAL    (0x0400)
    #define GST_RIFF_WAVE_FORMAT_IMC            (0x0401)
    #define GST_RIFF_WAVE_FORMAT_QDESIGN_MUSIC  (0x0450)
    #define GST_RIFF_WAVE_FORMAT_VME_VMPCM      (0x0680)
    #define GST_RIFF_WAVE_FORMAT_TPC            (0x0681)
    #define GST_RIFF_WAVE_FORMAT_OLIGSM         (0x1000)
    #define GST_RIFF_WAVE_FORMAT_OLIADPCM       (0x1001)
    #define GST_RIFF_WAVE_FORMAT_OLICELP        (0x1002)
    #define GST_RIFF_WAVE_FORMAT_OLISBC         (0x1003)
    #define GST_RIFF_WAVE_FORMAT_OLIOPR         (0x1004)
    #define GST_RIFF_WAVE_FORMAT_LH_CODEC       (0x1100)
    #define GST_RIFF_WAVE_FORMAT_NORRIS         (0x1400)
    #define GST_RIFF_WAVE_FORMAT_SOUNDSPACE_MUSICOMPRESS (0x1500)
    #define GST_RIFF_WAVE_FORMAT_A52            (0x2000)
    #define GST_RIFF_WAVE_FORMAT_DTS            (0x2001)
    #define GST_RIFF_WAVE_FORMAT_SONIC          (0x2048)
    #define GST_RIFF_WAVE_FORMAT_SONIC_LS       (0x2048)
    #define GST_RIFF_WAVE_FORMAT_AAC_AC         (0x4143)
    #define GST_RIFF_WAVE_FORMAT_VORBIS1        (0x674f)
    #define GST_RIFF_WAVE_FORMAT_VORBIS2        (0x6750)
    #define GST_RIFF_WAVE_FORMAT_VORBIS3        (0x6751)
    #define GST_RIFF_WAVE_FORMAT_VORBIS1PLUS    (0x676f)
    #define GST_RIFF_WAVE_FORMAT_VORBIS2PLUS    (0x6770)
    #define GST_RIFF_WAVE_FORMAT_VORBIS3PLUS    (0x6771)
    #define GST_RIFF_WAVE_FORMAT_AAC_pm         (0x706d)
    #define GST_RIFF_WAVE_FORMAT_GSM_AMR_CBR    (0x7A21)
    #define GST_RIFF_WAVE_FORMAT_GSM_AMR_VBR    (0x7A22)
    #define GST_RIFF_WAVE_FORMAT_FLAC           (0xF1AC)
    #define GST_RIFF_WAVE_FORMAT_EXTENSIBLE     (0xFFFE)
      guint16 channels;
      guint32 rate;
      guint32 av_bps;
      guint16 blockalign;
      guint16 bits_per_sample;
    #if 0
      /* missing field */
      guint16 extra_size;
    #endif
    } gst_riff_strf_auds;

#### Fields

`format` (guint16) –
No description available
`channels` (guint16) –
No description available
`rate` (guint32) –
No description available
`av_bps` (guint32) –
No description available
`blockalign` (guint16) –
No description available
`bits_per_sample` (guint16) –
No description available

### gst_riff_strf_iavs

    typedef struct _gst_riff_strf_iavs {
      guint32 DVAAuxSrc;
      guint32 DVAAuxCtl;
      guint32 DVAAuxSrc1;
      guint32 DVAAuxCtl1;
      guint32 DVVAuxSrc;
      guint32 DVVAuxCtl;
      guint32 DVReserved1;
      guint32 DVReserved2;
    } gst_riff_strf_iavs;

#### Fields

`DVAAuxSrc` (guint32) –
No description available
`DVAAuxCtl` (guint32) –
No description available
`DVAAuxSrc1` (guint32) –
No description available
`DVAAuxCtl1` (guint32) –
No description available
`DVVAuxSrc` (guint32) –
No description available
`DVVAuxCtl` (guint32) –
No description available
`DVReserved1` (guint32) –
No description available
`DVReserved2` (guint32) –
No description available

### gst_riff_strf_vids

    typedef struct _gst_riff_strf_vids {       /* == BitMapInfoHeader */
      guint32 size;
      guint32 width;
      guint32 height;
      guint16 planes;
      guint16 bit_cnt;
      guint32 compression;
      guint32 image_size;
      guint32 xpels_meter;
      guint32 ypels_meter;
      guint32 num_colors;        /* used colors */
      guint32 imp_colors;        /* important colors */
      /* may be more for some codecs */
    } gst_riff_strf_vids;

#### Fields

`size` (guint32) –
No description available
`width` (guint32) –
No description available
`height` (guint32) –
No description available
`planes` (guint16) –
No description available
`bit_cnt` (guint16) –
No description available
`compression` (guint32) –
No description available
`image_size` (guint32) –
No description available
`xpels_meter` (guint32) –
No description available
`ypels_meter` (guint32) –
No description available
`num_colors` (guint32) –
No description available
`imp_colors` (guint32) –
No description available

### gst_riff_strh

    typedef struct _gst_riff_strh {
      guint32 type;             /* stream type */
      guint32 fcc_handler;       /* fcc_handler */
      guint32 flags;
    /* flags values */
    #define GST_RIFF_STRH_DISABLED        0x000000001
    #define GST_RIFF_STRH_VIDEOPALCHANGES 0x000010000
      guint32 priority;
      guint32 init_frames;       /* initial frames (???) */
      guint32 scale;
      guint32 rate;
      guint32 start;
      guint32 length;
      guint32 bufsize;           /* suggested buffer size */
      guint32 quality;
      guint32 samplesize;
      /* rcFrame, RECT structure(struct of 4 shorts)
      gint32  left;
      gint32  top;
      gint32  right;
      gint32  bottom;
      */
    } gst_riff_strh;

#### Fields

`type` (guint32) –
No description available
`fcc_handler` (guint32) –
No description available
`flags` (guint32) –
No description available
`priority` (guint32) –
No description available
`init_frames` (guint32) –
No description available
`scale` (guint32) –
No description available
`rate` (guint32) –
No description available
`start` (guint32) –
No description available
`length` (guint32) –
No description available
`bufsize` (guint32) –
No description available
`quality` (guint32) –
No description available
`samplesize` (guint32) –
No description available

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