Beispiel #1
0
static status next_write_header (AFfilehandle file)
{
	_Track		*track;
	int		frameSize;
	uint32_t	offset, length, encoding, sampleRate, channelCount;

	track = _af_filehandle_get_track(file, AF_DEFAULT_TRACK);

	frameSize = _af_format_frame_size(&track->f, false);

	offset = track->fpos_first_frame;
	length = track->totalfframes * frameSize;
	encoding = nextencodingtype(&track->f);
	sampleRate = track->f.sampleRate;
	channelCount = track->f.channelCount;

	if (af_fseek(file->fh, 0, SEEK_SET) != 0)
		_af_error(AF_BAD_LSEEK, "bad seek");

	af_fwrite(".snd", 4, 1, file->fh);
	af_write_uint32_be(&offset, file->fh);
	af_write_uint32_be(&length, file->fh);
	af_write_uint32_be(&encoding, file->fh);
	af_write_uint32_be(&sampleRate, file->fh);
	af_write_uint32_be(&channelCount, file->fh);

	return AF_SUCCEED;
}
static status next_write_header (AFfilehandle file)
{
	_Track		*track;
	int		frameSize;
	u_int32_t	offset, length, encoding, sampleRate, channelCount;

	track = _af_filehandle_get_track(file, AF_DEFAULT_TRACK);

	frameSize = _af_format_frame_size(&track->f, AF_FALSE);

        if (track->f.compressionType == AF_COMPRESSION_G711_ULAW ||
            track->f.compressionType == AF_COMPRESSION_G711_ALAW)
           frameSize = frameSize / 2;

	offset = HOST_TO_BENDIAN_INT32(track->fpos_first_frame);
	length = HOST_TO_BENDIAN_INT32(track->totalfframes * frameSize);
	encoding = HOST_TO_BENDIAN_INT32(nextencodingtype(&track->f));
	sampleRate = HOST_TO_BENDIAN_INT32(track->f.sampleRate);
	channelCount = HOST_TO_BENDIAN_INT32(track->f.channelCount);

	if (af_fseek(file->fh, 0, SEEK_SET) != 0)
		_af_error(AF_BAD_LSEEK, "bad seek");

	af_fwrite(".snd", 4, 1, file->fh);
	af_fwrite(&offset, 4, 1, file->fh);
	af_fwrite(&length, 4, 1, file->fh);
	af_fwrite(&encoding, 4, 1, file->fh);
	af_fwrite(&sampleRate, 4, 1, file->fh);
	af_fwrite(&channelCount, 4, 1, file->fh);

	return AF_SUCCEED;
}
Beispiel #3
0
status NeXTFile::writeHeader()
{
	Track *track = getTrack();

	if (fh->seek(0, File::SeekFromBeginning) != 0)
		_af_error(AF_BAD_LSEEK, "bad seek");

	uint32_t offset = track->fpos_first_frame;
	uint32_t length = track->data_size;
	uint32_t encoding = nextencodingtype(&track->f);
	uint32_t sampleRate = track->f.sampleRate;
	uint32_t channelCount = track->f.channelCount;

	fh->write(".snd", 4);
	writeU32(&offset);
	writeU32(&length);
	writeU32(&encoding);
	writeU32(&sampleRate);
	writeU32(&channelCount);

	return AF_SUCCEED;
}