Пример #1
0
void afInitMarkComment(AFfilesetup setup, int trackid, int markid,
	const char *commstr)
{
	int	markno;
	int	length;

	if (!_af_filesetup_ok(setup))
		return;

	TrackSetup *track = setup->getTrack(trackid);
	if (!track)
		return;

	for (markno=0; markno<track->markerCount; markno++)
	{
		if (track->markers[markno].id == markid)
			break;
	}

	if (markno == track->markerCount)
	{
		_af_error(AF_BAD_MARKID, "no marker id %d for file setup", markid);
		return;
	}

	length = strlen(commstr);

	if (track->markers[markno].comment)
		free(track->markers[markno].comment);
	if ((track->markers[markno].comment = (char *) _af_malloc(length+1)) == NULL)
		return;
	strcpy(track->markers[markno].comment, commstr);
}
Пример #2
0
void afInitMarkIDs(AFfilesetup setup, int trackid, const int *markids, int nmarks)
{
	if (!_af_filesetup_ok(setup))
		return;

	TrackSetup *track = setup->getTrack(trackid);
	if (!track)
		return;

	if (track->markers != NULL)
	{
		for (int i=0; i<track->markerCount; i++)
		{
			if (track->markers[i].name != NULL)
				free(track->markers[i].name);
			if (track->markers[i].comment != NULL)
				free(track->markers[i].comment);
		}
		free(track->markers);
	}

	track->markers = (MarkerSetup *) _af_calloc(nmarks, sizeof (struct MarkerSetup));
	track->markerCount = nmarks;

	for (int i=0; i<nmarks; i++)
	{
		track->markers[i].id = markids[i];
		track->markers[i].name = _af_strdup("");
		track->markers[i].comment = _af_strdup("");
	}

	track->markersSet = true;
}
Пример #3
0
AFfilesetup RawFile::completeSetup(AFfilesetup setup)
{
	AFfilesetup	newSetup;

	if (setup->trackSet && setup->trackCount != 1)
	{
		_af_error(AF_BAD_FILESETUP, "raw file must have exactly one track");
		return AF_NULL_FILESETUP;
	}

	TrackSetup *track = setup->getTrack();
	if (!track)
	{
		_af_error(AF_BAD_FILESETUP, "could not access track in file setup");
		return AF_NULL_FILESETUP;
	}

	if (track->aesDataSet)
	{
		_af_error(AF_BAD_FILESETUP, "raw file cannot have AES data");
		return AF_NULL_FILESETUP;
	}

	if (track->markersSet && track->markerCount != 0)
	{
		_af_error(AF_BAD_NUMMARKS, "raw file cannot have markers");
		return AF_NULL_FILESETUP;
	}

	if (setup->instrumentSet && setup->instrumentCount != 0)
	{
		_af_error(AF_BAD_NUMINSTS, "raw file cannot have instruments");
		return AF_NULL_FILESETUP;
	}

	if (setup->miscellaneousSet && setup->miscellaneousCount != 0)
	{
		_af_error(AF_BAD_NUMMISC, "raw file cannot have miscellaneous data");
		return AF_NULL_FILESETUP;
	}

	newSetup = (_AFfilesetup *) _af_malloc(sizeof (_AFfilesetup));
	*newSetup = rawDefaultFileSetup;

	newSetup->tracks = (TrackSetup *) _af_malloc(sizeof (TrackSetup));
	newSetup->tracks[0] = setup->tracks[0];
	newSetup->tracks[0].f.compressionParams = NULL;

	newSetup->tracks[0].markerCount = 0;
	newSetup->tracks[0].markers = NULL;

	return newSetup;
}
Пример #4
0
status RawFile::readInit(AFfilesetup fileSetup)
{
	if (!fileSetup)
	{
		_af_error(AF_BAD_FILESETUP, "a valid AFfilesetup is required for reading raw data");
		return AF_FAIL;
	}

	if (initFromSetup(fileSetup) == AF_FAIL)
		return AF_FAIL;

	TrackSetup *trackSetup = fileSetup->getTrack();
	if (!trackSetup)
		return AF_FAIL;

	Track *track = getTrack();

	/* Set the track's data offset. */
	if (trackSetup->dataOffsetSet)
		track->fpos_first_frame = trackSetup->dataOffset;
	else
		track->fpos_first_frame = 0;

	/* Set the track's frame count. */
	if (trackSetup->frameCountSet)
	{
		track->totalfframes = trackSetup->frameCount;
	}
	else
	{
		AFfileoffset filesize = m_fh->length();
		if (filesize == -1)
			track->totalfframes = -1;
		else
		{
			/* Ensure that the data offset is valid. */
			if (track->fpos_first_frame > filesize)
			{
				_af_error(AF_BAD_FILESETUP, "data offset is larger than file size");
				return AF_FAIL;
			}

			filesize -= track->fpos_first_frame;
			track->totalfframes = filesize / (int) _af_format_frame_size(&track->f, false);
		}
		track->data_size = filesize;
	}

	return AF_SUCCEED;
}
Пример #5
0
void afInitSampleFormat (AFfilesetup setup, int trackid, int sampfmt, int sampwidth)
{
	if (!_af_filesetup_ok(setup))
		return;

	TrackSetup *track = setup->getTrack(trackid);
	if (!track)
		return;

	_af_set_sample_format(&track->f, sampfmt, sampwidth);

	track->sampleFormatSet = true;
	track->sampleWidthSet = true;
}
Пример #6
0
status RawFile::writeInit(AFfilesetup setup)
{
	if (initFromSetup(setup) == AF_FAIL)
		return AF_FAIL;

	TrackSetup *trackSetup = setup->getTrack();
	if (!trackSetup)
		return AF_FAIL;

	Track *track = getTrack();

	if (trackSetup->dataOffsetSet)
		track->fpos_first_frame = trackSetup->dataOffset;
	else
		track->fpos_first_frame = 0;

	return AF_SUCCEED;
}
Пример #7
0
void afInitRate (AFfilesetup setup, int trackid, double rate)
{
	if (!_af_filesetup_ok(setup))
		return;

	TrackSetup *track = setup->getTrack(trackid);
	if (!track)
		return;

	if (rate <= 0.0)
	{
		_af_error(AF_BAD_RATE, "invalid sample rate %.30g", rate);
		return;
	}

	track->f.sampleRate = rate;
	track->rateSet = true;
}
Пример #8
0
void afInitMarkName(AFfilesetup setup, int trackid, int markid,
	const char *namestr)
{
	int	markno;
	int	length;

	if (!_af_filesetup_ok(setup))
		return;

	TrackSetup *track = setup->getTrack(trackid);
	if (!track)
		return;

	for (markno=0; markno<track->markerCount; markno++)
	{
		if (track->markers[markno].id == markid)
			break;
	}

	if (markno == track->markerCount)
	{
		_af_error(AF_BAD_MARKID, "no marker id %d for file setup", markid);
		return;
	}

	length = strlen(namestr);
	if (length > 255)
	{
		_af_error(AF_BAD_STRLEN,
			"warning: marker name truncated to 255 characters");
		length = 255;
	}

	if (track->markers[markno].name)
		free(track->markers[markno].name);
	if ((track->markers[markno].name = (char *) _af_malloc(length+1)) == NULL)
		return;
	strncpy(track->markers[markno].name, namestr, length);
	/*
		The null terminator is not set by strncpy if
		strlen(namestr) > length.  Set it here.
	*/
	track->markers[markno].name[length] = '\0';
}
Пример #9
0
void afInitByteOrder (AFfilesetup setup, int trackid, int byteorder)
{
	if (!_af_filesetup_ok(setup))
		return;

	TrackSetup *track = setup->getTrack(trackid);
	if (!track)
		return;

	if (byteorder != AF_BYTEORDER_BIGENDIAN &&
		byteorder != AF_BYTEORDER_LITTLEENDIAN)
	{
		_af_error(AF_BAD_BYTEORDER, "invalid byte order %d", byteorder);
		return;
	}

	track->f.byteOrder = byteorder;
	track->byteOrderSet = true;
}
Пример #10
0
void afInitChannels (AFfilesetup setup, int trackid, int channels)
{
	if (!_af_filesetup_ok(setup))
		return;

	TrackSetup *track = setup->getTrack(trackid);
	if (!track)
		return;

	if (channels < 1)
	{
		_af_error(AF_BAD_CHANNELS, "invalid number of channels %d",
			channels);
		return;
	}

	track->f.channelCount = channels;
	track->channelCountSet = true;
}
Пример #11
0
/*
	track data: data offset within the file (initialized for raw reading only)
*/
void afInitDataOffset (AFfilesetup setup, int trackid, AFfileoffset offset)
{
	if (!_af_filesetup_ok(setup))
		return;

	TrackSetup *track = setup->getTrack(trackid);
	if (!track)
		return;

	if (offset < 0)
	{
#ifdef __WXOSX__
        _af_error(AF_BAD_DATAOFFSET, "invalid data offset %jd",
#else
		_af_error(AF_BAD_DATAOFFSET, "invalid data offset %"PRId64,
#endif
			static_cast<intmax_t>(offset));
		return;
	}
Пример #12
0
AFfilesetup NISTFile::completeSetup(AFfilesetup setup)
{
    if (setup->trackSet && setup->trackCount != 1)
    {
        _af_error(AF_BAD_NUMTRACKS, "NIST SPHERE file must have 1 track");
        return AF_NULL_FILESETUP;
    }

    TrackSetup *track = setup->getTrack();
    if (!track)
        return AF_NULL_FILESETUP;

    if (track->sampleFormatSet)
    {
        /* XXXmpruett: Currently we allow only 1-16 bit sample width. */
        if (track->f.sampleFormat == AF_SAMPFMT_TWOSCOMP &&
                (track->f.sampleWidth < 1 || track->f.sampleWidth > 16))
        {
            _af_error(AF_BAD_WIDTH,
                      "invalid sample width %d bits for NIST SPHERE format",
                      track->f.sampleWidth);
            return AF_NULL_FILESETUP;
        }
        else if (track->f.sampleFormat == AF_SAMPFMT_UNSIGNED)
        {
            _af_error(AF_BAD_SAMPFMT,
                      "NIST SPHERE format does not support unsigned data");
            return AF_NULL_FILESETUP;
        }
        else if (track->f.sampleFormat == AF_SAMPFMT_FLOAT ||
                 track->f.sampleFormat == AF_SAMPFMT_DOUBLE)
        {
            _af_error(AF_BAD_SAMPFMT,
                      "NIST SPHERE format does not support floating-point data");
            return AF_NULL_FILESETUP;
        }
    }

    if (track->rateSet && track->f.sampleRate <= 0.0)
    {
        _af_error(AF_BAD_RATE,
                  "invalid sample rate %.30g for NIST SPHERE file",
                  track->f.sampleRate);
        return AF_NULL_FILESETUP;
    }

    if (track->compressionSet && track->f.compressionType != AF_COMPRESSION_NONE &&
            track->f.compressionType != AF_COMPRESSION_G711_ULAW &&
            track->f.compressionType != AF_COMPRESSION_G711_ALAW)
    {
        _af_error(AF_BAD_NOT_IMPLEMENTED,
                  "NIST SPHERE format supports only G.711 u-law or A-law compression");
        return AF_NULL_FILESETUP;
    }

    if (track->aesDataSet)
    {
        _af_error(AF_BAD_FILESETUP, "NIST SPHERE file cannot have AES data");
        return AF_NULL_FILESETUP;
    }

    if (track->markersSet && track->markerCount != 0)
    {
        _af_error(AF_BAD_NUMMARKS, "NIST SPHERE format does not support markers");
        return AF_NULL_FILESETUP;
    }

    if (setup->instrumentSet && setup->instrumentCount != 0)
    {
        _af_error(AF_BAD_NUMINSTS, "NIST SPHERE format does not support instruments");
        return AF_NULL_FILESETUP;
    }

    /* XXXmpruett: We don't support miscellaneous chunks for now. */
    if (setup->miscellaneousSet && setup->miscellaneousCount != 0)
    {
        _af_error(AF_BAD_NOT_IMPLEMENTED, "NIST SPHERE format does not currently support miscellaneous chunks");
        return AF_NULL_FILESETUP;
    }

    return _af_filesetup_copy(setup, &nistDefaultFileSetup, true);
}
Пример #13
0
AFfilesetup NeXTFile::completeSetup(AFfilesetup setup)
{
	if (setup->trackSet && setup->trackCount != 1)
	{
		_af_error(AF_BAD_NUMTRACKS, "NeXT files must have exactly 1 track");
		return AF_NULL_FILESETUP;
	}

	TrackSetup *track = setup->getTrack();
	if (!track)
		return AF_NULL_FILESETUP;

	if (track->f.sampleFormat == AF_SAMPFMT_UNSIGNED)
	{
		_af_error(AF_BAD_FILEFMT, "NeXT format does not support unsigned data");
		_af_set_sample_format(&track->f, AF_SAMPFMT_TWOSCOMP, track->f.sampleWidth);
	}

	if (track->f.sampleFormat == AF_SAMPFMT_TWOSCOMP)
	{
		if (track->f.sampleWidth != 8 &&
			track->f.sampleWidth != 16 &&
			track->f.sampleWidth != 24 &&
			track->f.sampleWidth != 32)
		{
			_af_error(AF_BAD_WIDTH, "invalid sample width %d for NeXT file (only 8-, 16-, 24-, and 32-bit data are allowed)");
			return AF_NULL_FILESETUP;
		}
	}

	if (track->f.compressionType != AF_COMPRESSION_NONE &&
		track->f.compressionType != AF_COMPRESSION_G711_ULAW &&
		track->f.compressionType != AF_COMPRESSION_G711_ALAW)
	{
		_af_error(AF_BAD_NOT_IMPLEMENTED, "compression format not implemented for NeXT files");
		return AF_NULL_FILESETUP;
	}

	if (track->f.byteOrder != AF_BYTEORDER_BIGENDIAN && track->byteOrderSet)
	{
		_af_error(AF_BAD_BYTEORDER, "NeXT format supports only big-endian data");
		track->f.byteOrder = AF_BYTEORDER_BIGENDIAN;
	}

	if (track->aesDataSet)
	{
		_af_error(AF_BAD_FILESETUP, "NeXT files cannot have AES data");
		return AF_NULL_FILESETUP;
	}

	if (track->markersSet && track->markerCount != 0)
	{
		_af_error(AF_BAD_FILESETUP, "NeXT format does not support markers");
		return AF_NULL_FILESETUP;
	}

	if (setup->instrumentSet && setup->instrumentCount != 0)
	{
		_af_error(AF_BAD_FILESETUP, "NeXT format does not support instruments");
		return AF_NULL_FILESETUP;
	}

	if (setup->miscellaneousSet && setup->miscellaneousCount != 0)
	{
		_af_error(AF_BAD_FILESETUP, "NeXT format does not support miscellaneous data");
		return AF_NULL_FILESETUP;
	}

	return _af_filesetup_copy(setup, &next_default_filesetup, false);
}
Пример #14
0
AFfilesetup AVRFile::completeSetup(AFfilesetup setup)
{
	if (setup->trackSet && setup->trackCount != 1)
	{
		_af_error(AF_BAD_NUMTRACKS, "AVR files must have exactly 1 track");
		return AF_NULL_FILESETUP;
	}

	TrackSetup *track = setup->getTrack();
	if (!track)
		return AF_NULL_FILESETUP;

	/* AVR allows only unsigned and two's complement integer data. */
	if (track->f.sampleFormat != AF_SAMPFMT_UNSIGNED &&
		track->f.sampleFormat != AF_SAMPFMT_TWOSCOMP)
	{
		_af_error(AF_BAD_FILEFMT, "AVR format does supports only unsigned and two's complement integer data");
		return AF_NULL_FILESETUP;
	}

	/* For now we support only 8- and 16-bit samples. */
	if (track->f.sampleWidth != 8 && track->f.sampleWidth != 16)
	{
		_af_error(AF_BAD_WIDTH, "invalid sample width %d for AVR file (only 8- and 16-bit sample widths are allowed)", track->f.sampleWidth);
		return AF_NULL_FILESETUP;
	}

	/* AVR does not support compression. */
	if (track->f.compressionType != AF_COMPRESSION_NONE)
	{
		_af_error(AF_BAD_NOT_IMPLEMENTED, "compression not supported for AVR files");
		return AF_NULL_FILESETUP;
	}

	/* AVR audio data is big-endian. */
	if (track->f.byteOrder != AF_BYTEORDER_BIGENDIAN)
	{
		if (track->byteOrderSet)
		{
			_af_error(AF_BAD_BYTEORDER,
				"AVR format supports only big-endian data");
			return AF_NULL_FILESETUP;
		}
		else
			track->f.byteOrder = AF_BYTEORDER_BIGENDIAN;
	}

	if (track->aesDataSet)
	{
		_af_error(AF_BAD_FILESETUP, "AVR files do not support AES data");
		return AF_NULL_FILESETUP;
	}

	if (track->markersSet && track->markerCount != 0)
	{
		_af_error(AF_BAD_FILESETUP, "AVR format does not support markers");
		return AF_NULL_FILESETUP;
	}

	if (setup->instrumentSet && setup->instrumentCount != 0)
	{
		_af_error(AF_BAD_FILESETUP, "AVR format does not support instruments");
		return AF_NULL_FILESETUP;
	}

	if (setup->miscellaneousSet && setup->miscellaneousCount != 0)
	{
		_af_error(AF_BAD_FILESETUP, "AVR format does not support miscellaneous data");
		return AF_NULL_FILESETUP;
	}

	return _af_filesetup_copy(setup, &avrDefaultFileSetup, false);
}
Пример #15
0
AFfilesetup IFFFile::completeSetup(AFfilesetup setup)
{
	if (setup->trackSet && setup->trackCount != 1)
	{
		_af_error(AF_BAD_NUMTRACKS, "IFF/8SVX file must have 1 track");
		return AF_NULL_FILESETUP;
	}

	TrackSetup *track = setup->getTrack();
	if (!track)
		return AF_NULL_FILESETUP;

	if (track->sampleFormatSet &&
		track->f.sampleFormat != AF_SAMPFMT_TWOSCOMP)
	{
		_af_error(AF_BAD_SAMPFMT,
			"IFF/8SVX format supports only two's complement integer data");
		return AF_NULL_FILESETUP;
	}

	if (track->sampleFormatSet && track->f.sampleWidth != 8)
	{
		_af_error(AF_BAD_WIDTH,
			"IFF/8SVX file allows only 8 bits per sample "
			"(%d bits requested)", track->f.sampleWidth);
		return AF_NULL_FILESETUP;
	}

	if (track->channelCountSet && track->f.channelCount != 1)
	{
		_af_error(AF_BAD_CHANNELS,
			"invalid channel count (%d) for IFF/8SVX format "
			"(only 1 channel supported)",
			track->f.channelCount);
		return AF_NULL_FILESETUP;
	}

	if (track->f.compressionType != AF_COMPRESSION_NONE)
	{
		_af_error(AF_BAD_COMPRESSION,
			"IFF/8SVX does not support compression");
		return AF_NULL_FILESETUP;
	}

	/* Ignore requested byte order since samples are only one byte. */
	track->f.byteOrder = AF_BYTEORDER_BIGENDIAN;
	/* Either one channel was requested or no request was made. */
	track->f.channelCount = 1;
	_af_set_sample_format(&track->f, AF_SAMPFMT_TWOSCOMP, 8);

	if (track->markersSet && track->markerCount != 0)
	{
		_af_error(AF_BAD_NUMMARKS,
			"IFF/8SVX format does not support markers");
		return AF_NULL_FILESETUP;
	}

	if (track->aesDataSet)
	{
		_af_error(AF_BAD_FILESETUP, "IFF/8SVX format does not support AES data");
		return AF_NULL_FILESETUP;
	}

	if (setup->instrumentSet && setup->instrumentCount != 0)
	{
		_af_error(AF_BAD_NUMINSTS,
			"IFF/8SVX format does not support instruments");
		return AF_NULL_FILESETUP;
	}

	return _af_filesetup_copy(setup, &iffDefaultFileSetup, true);
}
Пример #16
0
AFfilesetup WAVEFile::completeSetup(AFfilesetup setup)
{
	if (setup->trackSet && setup->trackCount != 1)
	{
		_af_error(AF_BAD_NUMTRACKS, "WAVE file must have 1 track");
		return AF_NULL_FILESETUP;
	}

	TrackSetup *track = setup->getTrack();

	if (track->sampleFormatSet)
	{
		switch (track->f.sampleFormat)
		{
			case AF_SAMPFMT_FLOAT:
				if (track->sampleWidthSet &&
					track->f.sampleWidth != 32)
				{
					_af_error(AF_BAD_WIDTH,
						"Warning: invalid sample width for floating-point WAVE file: %d (must be 32 bits)\n",
						track->f.sampleWidth);
					_af_set_sample_format(&track->f, AF_SAMPFMT_FLOAT, 32);
				}
				break;

			case AF_SAMPFMT_DOUBLE:
				if (track->sampleWidthSet &&
					track->f.sampleWidth != 64)
				{
					_af_error(AF_BAD_WIDTH,
						"Warning: invalid sample width for double-precision floating-point WAVE file: %d (must be 64 bits)\n",
						track->f.sampleWidth);
					_af_set_sample_format(&track->f, AF_SAMPFMT_DOUBLE, 64);
				}
				break;

			case AF_SAMPFMT_UNSIGNED:
				if (track->sampleWidthSet)
				{
					if (track->f.sampleWidth < 1 || track->f.sampleWidth > 32)
					{
						_af_error(AF_BAD_WIDTH, "invalid sample width for WAVE file: %d (must be 1-32 bits)\n", track->f.sampleWidth);
						return AF_NULL_FILESETUP;
					}
					if (track->f.sampleWidth > 8)
					{
						_af_error(AF_BAD_SAMPFMT, "WAVE integer data of more than 8 bits must be two's complement signed");
						_af_set_sample_format(&track->f, AF_SAMPFMT_TWOSCOMP, track->f.sampleWidth);
					}
				}
				else
				/*
					If the sample width is not set but the user requests
					unsigned data, set the width to 8 bits.
				*/
					_af_set_sample_format(&track->f, track->f.sampleFormat, 8);
				break;

			case AF_SAMPFMT_TWOSCOMP:
				if (track->sampleWidthSet)
				{
					if (track->f.sampleWidth < 1 || track->f.sampleWidth > 32)
					{
						_af_error(AF_BAD_WIDTH, "invalid sample width %d for WAVE file (must be 1-32)", track->f.sampleWidth);
						return AF_NULL_FILESETUP;
					}
					else if (track->f.sampleWidth <= 8)
					{
						_af_error(AF_BAD_SAMPFMT, "Warning: WAVE format integer data of 1-8 bits must be unsigned; setting sample format to unsigned");
						_af_set_sample_format(&track->f, AF_SAMPFMT_UNSIGNED, track->f.sampleWidth);
					}
				}
				else
				/*
					If no sample width was specified, we default to 16 bits
					for signed integer data.
				*/
					_af_set_sample_format(&track->f, track->f.sampleFormat, 16);
				break;
		}
	}
	/*
		Otherwise set the sample format depending on the sample
		width or set completely to default.
	*/
	else
	{
		if (!track->sampleWidthSet)
		{
			track->f.sampleWidth = 16;
			track->f.sampleFormat = AF_SAMPFMT_TWOSCOMP;
		}
		else
		{
			if (track->f.sampleWidth < 1 || track->f.sampleWidth > 32)
			{
				_af_error(AF_BAD_WIDTH, "invalid sample width %d for WAVE file (must be 1-32)", track->f.sampleWidth);
				return AF_NULL_FILESETUP;
			}
			else if (track->f.sampleWidth > 8)
				/* Here track->f.sampleWidth is in {1..32}. */
				track->f.sampleFormat = AF_SAMPFMT_TWOSCOMP;
			else
				/* Here track->f.sampleWidth is in {1..8}. */
				track->f.sampleFormat = AF_SAMPFMT_UNSIGNED;
		}
	}

	if (track->f.compressionType != AF_COMPRESSION_NONE &&
		track->f.compressionType != AF_COMPRESSION_G711_ULAW &&
		track->f.compressionType != AF_COMPRESSION_G711_ALAW)
	{
		_af_error(AF_BAD_NOT_IMPLEMENTED, "compression format not supported in WAVE format");
		return AF_NULL_FILESETUP;
	}

	if (track->byteOrderSet &&
		track->f.byteOrder != AF_BYTEORDER_LITTLEENDIAN &&
		track->f.compressionType == AF_COMPRESSION_NONE)
	{
		_af_error(AF_BAD_BYTEORDER, "WAVE format only supports little-endian data");
		return AF_NULL_FILESETUP;
	}

	if (track->f.compressionType == AF_COMPRESSION_NONE)
		track->f.byteOrder = AF_BYTEORDER_LITTLEENDIAN;
	else
		track->f.byteOrder = AF_BYTEORDER_BIGENDIAN;

	if (track->aesDataSet)
	{
		_af_error(AF_BAD_FILESETUP, "WAVE files cannot have AES data");
		return AF_NULL_FILESETUP;
	}

	if (setup->instrumentSet)
	{
		if (setup->instrumentCount > 1)
		{
			_af_error(AF_BAD_NUMINSTS, "WAVE files can have 0 or 1 instrument");
			return AF_NULL_FILESETUP;
		}
		else if (setup->instrumentCount == 1)
		{
			if (setup->instruments[0].loopSet &&
				setup->instruments[0].loopCount > 0 &&
				(!track->markersSet || track->markerCount == 0))
			{
				_af_error(AF_BAD_NUMMARKS, "WAVE files with loops must contain at least 1 marker");
				return AF_NULL_FILESETUP;
			}
		}
	}

	/* Make sure the miscellaneous data is of an acceptable type. */
	if (setup->miscellaneousSet)
	{
		for (int i=0; i<setup->miscellaneousCount; i++)
		{
			switch (setup->miscellaneous[i].type)
			{
				case AF_MISC_COPY:
				case AF_MISC_AUTH:
				case AF_MISC_NAME:
				case AF_MISC_ICRD:
				case AF_MISC_ISFT:
				case AF_MISC_ICMT:
					break;
				default:
					_af_error(AF_BAD_MISCTYPE, "illegal miscellaneous type [%d] for WAVE file", setup->miscellaneous[i].type);
					return AF_NULL_FILESETUP;
			}
		}
	}

	/*
		Allocate an AFfilesetup and make all the unset fields correct.
	*/
	AFfilesetup	newsetup = _af_filesetup_copy(setup, &wave_default_filesetup, false);

	/* Make sure we do not copy loops if they are not specified in setup. */
	if (setup->instrumentSet && setup->instrumentCount > 0 &&
		setup->instruments[0].loopSet)
	{
		free(newsetup->instruments[0].loops);
		newsetup->instruments[0].loopCount = 0;
	}

	return newsetup;
}
Пример #17
0
AFfilesetup VOCFile::completeSetup(AFfilesetup setup)
{
	if (setup->trackSet && setup->trackCount != 1)
	{
		_af_error(AF_BAD_NUMTRACKS, "VOC file must have 1 track");
		return AF_NULL_FILESETUP;
	}

	TrackSetup *track = setup->getTrack();
	if (!track)
		return AF_NULL_FILESETUP;

	if (track->sampleFormatSet)
	{
		if (!track->f.isInteger())
		{
			_af_error(AF_BAD_SAMPFMT,
				"VOC format supports only integer audio data");
			return AF_NULL_FILESETUP;
		}

		if ((track->f.isSigned() && track->f.sampleWidth != 16) ||
			(track->f.isUnsigned() && track->f.sampleWidth != 8))
		{
			_af_error(AF_BAD_SAMPFMT,
				"VOC format supports only 16-bit signed or 8-bit unsigned data");
			return AF_NULL_FILESETUP;
		}
	}
	else
		_af_set_sample_format(&track->f, AF_SAMPFMT_TWOSCOMP,
			track->f.sampleWidth);

	if (track->f.isUncompressed() &&
		track->byteOrderSet &&
		track->f.byteOrder != AF_BYTEORDER_LITTLEENDIAN &&
		track->f.isByteOrderSignificant())
	{
		_af_error(AF_BAD_BYTEORDER, "VOC supports only little-endian data");
		return AF_NULL_FILESETUP;
	}

	if (track->f.isUncompressed())
		track->f.byteOrder = AF_BYTEORDER_LITTLEENDIAN;

	if (track->f.compressionType != AF_COMPRESSION_NONE &&
		track->f.compressionType != AF_COMPRESSION_G711_ULAW &&
		track->f.compressionType != AF_COMPRESSION_G711_ALAW)
	{
		_af_error(AF_BAD_COMPTYPE,
			"compression format %d not supported in VOC file",
			track->f.compressionType);
		return AF_NULL_FILESETUP;
	}

	if (track->markersSet && track->markerCount)
	{
		_af_error(AF_BAD_NUMMARKS, "VOC does not support markers");
		return AF_NULL_FILESETUP;
	}

	if (track->aesDataSet)
	{
		_af_error(AF_BAD_FILESETUP, "VOC does not support AES data");
		return AF_NULL_FILESETUP;
	}

	if (setup->instrumentSet && setup->instrumentCount)
	{
		_af_error(AF_BAD_FILESETUP, "VOC does not support instruments");
		return AF_NULL_FILESETUP;
	}

	if (setup->miscellaneousSet && setup->miscellaneousCount)
	{
		_af_error(AF_BAD_FILESETUP, "VOC does not support miscellaneous data");
		return AF_NULL_FILESETUP;
	}

	return _af_filesetup_copy(setup, &vocDefaultFileSetup, true);
}