BASS_CD_StreamCreate

Creates a sample stream from an audio CD track.

HSTREAM BASS_CD_StreamCreate(
    DWORD drive,
    DWORD track,
    DWORD flags
);

Parameters

drive

The drive... 0 = the first drive.

track

The track... 0 = the first track, BASS_CD_TRACK_PREGAP = 1st track pregap (not all drives support reading of the 1st track pregap).

flags

Any combination of these flags.

BASS_SAMPLE_FLOAT	Use 32-bit floating-point sample data. See Floating-point channels for info.
BASS_SAMPLE_LOOP	Loop the file. This flag can be toggled at any time using BASS_ChannelFlags.
BASS_STREAM_AUTOFREE	Automatically free the stream when playback ends.
BASS_STREAM_DECODE	Decode the sample data, without playing it. Use BASS_ChannelGetData to retrieve decoded sample data. The BASS_STREAM_AUTOFREE and SPEAKER flags cannot be used together with this flag.
BASS_SPEAKER_xxx	Speaker assignment flags.
BASS_CD_SUBCHANNEL	Read sub-channel data. 96 bytes of de-interleaved sub-channel data will be inserted after each 2352 bytes of audio. This flag cannot be used without the BASS_STREAM_DECODE flag or with the BASS_SAMPLE_FLOAT flag; see BASS_CD_StreamCreateEx.
BASS_CD_SUBCHANNEL_NOHW	Read sub-channel data, without using any hardware de-interleaving. This is identical to the BASS_CD_SUBCHANNEL flag, except that the de-interleaving is always performed by BASSCD even if the drive is apparently capable of de-interleaving itself.
BASS_CD_C2ERRORS	Include C2 error info. 296 bytes of C2 error info is inserted after each 2352 bytes of audio (and optionally 96 bytes of sub-channel data). The first 294 bytes contain the C2 error bits (one bit for each byte of audio), followed by a byte containing the logical "OR" of all 294 bytes, which can be used to quickly check if there were any C2 errors. The final byte is just padding. This flag cannot be used without the BASS_STREAM_DECODE flag or with the BASS_SAMPLE_FLOAT flag; see BASS_CD_StreamCreateEx.

Return value

If successful, the new stream's handle is returned, else 0 is returned. Use BASS_ErrorGetCode to get the error code.

Error codes

BASS_ERROR_INIT	BASS_Init has not been successfully called.
BASS_ERROR_DEVICE	drive is invalid.
BASS_ERROR_ALREADY	A stream using this drive already exists.
BASS_ERROR_ILLPARAM	The BASS_CD_SUBCHANNEL and BASS_CD_C2ERRORS flags cannot be used without the BASS_STREAM_DECODE flag or with the BASS_SAMPLE_FLOAT flag. See BASS_CD_StreamCreateEx.
BASS_ERROR_NOCD	There is no CD in the drive.
BASS_ERROR_CDTRACK	track is invalid.
BASS_ERROR_NOTAUDIO	The track is not an audio track.
BASS_ERROR_NOTAVAIL	Reading sub-channel data and/or C2 error info is not supported by the drive, or a read offset is in effect. In case of the latter, see BASS_CD_StreamCreateEx.
BASS_ERROR_FORMAT	The sample format is not supported.
BASS_ERROR_SPEAKER	The specified SPEAKER flags are invalid.
BASS_ERROR_MEM	There is insufficient memory.
BASS_ERROR_UNKNOWN	Some other mystery problem!

Remarks

Only one stream can exist at a time per CD drive. If a stream using the drive already exists, this function will fail, unless the BASS_CONFIG_CD_FREEOLD config option is enabled. The BASS_POS_CD_TRACK "mode" can be used with BASS_ChannelSetPosition (or BASS_CD_StreamSetTrack can be used) to change track without creating a new stream.

The sample format of a CD audio stream is always 44100hz stereo 16-bit, unless the BASS_SAMPLE_FLOAT flag is used, in which case it is converted to 32-bit. When reading sub-channel data and/or C2 error info, the sample rate will be increased accordingly, taking the additional data into account.

When reading sub-channel data, BASSCD will automatically de-interleave the data if the drive cannot do it. BASS_CD_GetInfo can be used to check whether the drive can de-interleave the data itself, or even read sub-channel data at all.

BASS_CD_StreamCreate

Parameters

Return value

Error codes

Remarks

See also