void OpenCLRotator180Context::Rotate(size_t width, size_t height,
                                     size_t pitchIn, size_t pitchOut,
                                     void *pInY,  void *pInUV,
                                     void *pOutY, void *pOutUV)
{
    if (!pInY || !pInUV || !pOutY || !pOutUV)
        throw cl::Error(CL_INVALID_VALUE);

    cl::size_t<3> origin  = make_size_t(0, 0, 0);
    cl::size_t<3> Y_size  = make_size_t(width / 4, height, 1);
    cl::size_t<3> UV_size = make_size_t(width / 4, height/2, 1);

    CreateBuffers(Y_size, UV_size);

    SetKernelArgs();

    m_queue.enqueueWriteImage(m_InY, 0, origin, Y_size, pitchIn, 0, pInY);
    m_queue.enqueueWriteImage(m_InUV, 0, origin, UV_size, pitchIn, 0, pInUV);

    m_queue.enqueueNDRangeKernel(m_kernelY, cl::NullRange,
            cl::NDRange(Y_size[0],Y_size[1]),
            cl::NDRange(1,1));
    m_queue.enqueueNDRangeKernel(m_kernelUV, cl::NullRange,
            cl::NDRange(UV_size[0],UV_size[1]),
            cl::NDRange(1,1));

    m_queue.enqueueReadImage(m_OutY, 0, origin, Y_size, pitchOut, 0, pOutY);
    m_queue.enqueueReadImage(m_OutUV, 0, origin, UV_size, pitchOut, 0, pOutUV);

    m_queue.finish();
}
예제 #2
0
static int
mat4_write_header (SF_PRIVATE *psf, int calc_length)
{	sf_count_t	current ;
	int			encoding ;
	double		samplerate ;

	current = psf_ftell (psf) ;

	if (calc_length)
	{	psf->filelength = psf_get_filelen (psf) ;

		psf->datalength = psf->filelength - psf->dataoffset ;
		if (psf->dataend)
			psf->datalength -= psf->filelength - psf->dataend ;

		psf->sf.frames = psf->datalength / (psf->bytewidth * psf->sf.channels) ;
		} ;

	encoding = mat4_format_to_encoding (SF_CODEC (psf->sf.format), psf->endian) ;

	if (encoding == -1)
		return SFE_BAD_OPEN_FORMAT ;

	/* Reset the current header length to zero. */
	psf->header [0] = 0 ;
	psf->headindex = 0 ;
	psf_fseek (psf, 0, SEEK_SET) ;

	/* Need sample rate as a double for writing to the header. */
	samplerate = psf->sf.samplerate ;

	if (psf->endian == SF_ENDIAN_BIG)
	{	psf_binheader_writef (psf, "Em444", MAT4_BE_DOUBLE, 1, 1, 0) ;
		psf_binheader_writef (psf, "E4bd", 11, "samplerate", make_size_t (11), samplerate) ;
		psf_binheader_writef (psf, "tEm484", encoding, psf->sf.channels, psf->sf.frames, 0) ;
		psf_binheader_writef (psf, "E4b", 9, "wavedata", make_size_t (9)) ;
		}
	else if (psf->endian == SF_ENDIAN_LITTLE)
	{	psf_binheader_writef (psf, "em444", MAT4_LE_DOUBLE, 1, 1, 0) ;
		psf_binheader_writef (psf, "e4bd", 11, "samplerate", make_size_t (11), samplerate) ;
		psf_binheader_writef (psf, "tem484", encoding, psf->sf.channels, psf->sf.frames, 0) ;
		psf_binheader_writef (psf, "e4b", 9, "wavedata", make_size_t (9)) ;
		}
	else
		return SFE_BAD_OPEN_FORMAT ;

	/* Header construction complete so write it out. */
	psf_fwrite (psf->header, psf->headindex, 1, psf) ;

	if (psf->error)
		return psf->error ;

	psf->dataoffset = psf->headindex ;

	if (current > 0)
		psf_fseek (psf, current, SEEK_SET) ;

	return psf->error ;
} /* mat4_write_header */
예제 #3
0
파일: avr.c 프로젝트: 5in4/libsox.dll
static int
avr_write_header (SF_PRIVATE *psf, int calc_length)
{	sf_count_t	current ;
	int			sign ;

	if (psf->pipeoffset > 0)
		return 0 ;

	current = psf_ftell (psf) ;

	if (calc_length)
	{	psf->filelength = psf_get_filelen (psf) ;

		psf->datalength = psf->filelength - psf->dataoffset ;
		if (psf->dataend)
			psf->datalength -= psf->filelength - psf->dataend ;

		psf->sf.frames = psf->datalength / (psf->bytewidth * psf->sf.channels) ;
		} ;

	/* Reset the current header length to zero. */
	psf->header [0] = 0 ;
	psf->headindex = 0 ;

	/*
	** Only attempt to seek if we are not writng to a pipe. If we are
	** writing to a pipe we shouldn't be here anyway.
	*/
	if (psf->is_pipe == SF_FALSE)
		psf_fseek (psf, 0, SEEK_SET) ;

	psf_binheader_writef (psf, "Emz22", TWOBIT_MARKER, make_size_t (8),
			psf->sf.channels == 2 ? 0xFFFF : 0, psf->bytewidth * 8) ;

	sign = ((SF_CODEC (psf->sf.format)) == SF_FORMAT_PCM_U8) ? 0 : 0xFFFF ;

	psf_binheader_writef (psf, "E222", sign, 0, 0xFFFF) ;
	psf_binheader_writef (psf, "E4444", psf->sf.samplerate, psf->sf.frames, 0, 0) ;

	psf_binheader_writef (psf, "E222zz", 0, 0, 0, make_size_t (20), make_size_t (64)) ;

	/* Header construction complete so write it out. */
	psf_fwrite (psf->header, psf->headindex, 1, psf) ;

	if (psf->error)
		return psf->error ;

	psf->dataoffset = psf->headindex ;

	if (current > 0)
		psf_fseek (psf, current, SEEK_SET) ;

	return psf->error ;
} /* avr_write_header */
예제 #4
0
void
wavex_write_guid (SF_PRIVATE *psf, const EXT_SUBFORMAT * subformat)
{
    psf_binheader_writef (psf, "422b", subformat->esf_field1,
                          subformat->esf_field2, subformat->esf_field3,
                          subformat->esf_field4, make_size_t (8)) ;
} /* wavex_write_guid */
예제 #5
0
파일: voc.c 프로젝트: 74Labs/libsndfile
static int
voc_write_header (SF_PRIVATE *psf, int calc_length)
{	sf_count_t	current ;
	int			rate_const, subformat ;

	current = psf_ftell (psf) ;

	if (calc_length)
	{	psf->filelength = psf_get_filelen (psf) ;

		psf->datalength = psf->filelength - psf->dataoffset ;
		if (psf->dataend)
			psf->datalength -= psf->filelength - psf->dataend ;

		psf->sf.frames = psf->datalength / (psf->bytewidth * psf->sf.channels) ;
		} ;

	subformat = SF_CODEC (psf->sf.format) ;
	/* Reset the current header length to zero. */
	psf->header [0] = 0 ;
	psf->headindex = 0 ;
	psf_fseek (psf, 0, SEEK_SET) ;

	/* VOC marker and 0x1A byte. */
	psf_binheader_writef (psf, "eb1", "Creative Voice File", make_size_t (19), 0x1A) ;

	/* Data offset, version and other. */
	psf_binheader_writef (psf, "e222", 26, 0x0114, 0x111F) ;

	/*	Use same logic as SOX.
	**	If the file is mono 8 bit data, use VOC_SOUND_DATA.
	**	If the file is mono 16 bit data, use VOC_EXTENED.
	**	Otherwise use VOC_EXTENED_2.
	*/

	if (subformat == SF_FORMAT_PCM_U8 && psf->sf.channels == 1)
	{	/* samplerate = 1000000 / (256 - rate_const) ; */
		rate_const = 256 - 1000000 / psf->sf.samplerate ;

		/* First type marker, length, rate_const and compression */
		psf_binheader_writef (psf, "e1311", VOC_SOUND_DATA, (int) (psf->datalength + 1), rate_const, 0) ;
		}
	else if (subformat == SF_FORMAT_PCM_U8 && psf->sf.channels == 2)
	{	/* sample_rate = 128000000 / (65536 - rate_short) ; */
		rate_const = 65536 - 128000000 / psf->sf.samplerate ;

		/* First write the VOC_EXTENDED section
		** 		marker, length, rate_const and compression
		*/
		psf_binheader_writef (psf, "e13211", VOC_EXTENDED, 4, rate_const, 0, 1) ;

		/* samplerate = 1000000 / (256 - rate_const) ; */
		rate_const = 256 - 1000000 / psf->sf.samplerate ;

		/*	Now write the VOC_SOUND_DATA section
		** 		marker, length, rate_const and compression
		*/
		psf_binheader_writef (psf, "e1311", VOC_SOUND_DATA, (int) (psf->datalength + 1), rate_const, 0) ;
		}
	else
	{	int length ;

		if (psf->sf.channels < 1 || psf->sf.channels > 2)
			return SFE_CHANNEL_COUNT ;

		switch (subformat)
		{	case SF_FORMAT_PCM_U8 :
					psf->bytewidth = 1 ;
					length = psf->sf.frames * psf->sf.channels * psf->bytewidth + 12 ;
					/* Marker, length, sample rate, bitwidth, stereo flag, encoding and fourt zero bytes. */
					psf_binheader_writef (psf, "e1341124", VOC_EXTENDED_II, length, psf->sf.samplerate, 16, psf->sf.channels, 4, 0) ;
					break ;

			case SF_FORMAT_PCM_16 :
					psf->bytewidth = 2 ;
					length = psf->sf.frames * psf->sf.channels * psf->bytewidth + 12 ;
					/* Marker, length, sample rate, bitwidth, stereo flag, encoding and fourt zero bytes. */
					psf_binheader_writef (psf, "e1341124", VOC_EXTENDED_II, length, psf->sf.samplerate, 16, psf->sf.channels, 4, 0) ;
					break ;

			case SF_FORMAT_ALAW :
					psf->bytewidth = 1 ;
					length = psf->sf.frames * psf->sf.channels * psf->bytewidth + 12 ;
					psf_binheader_writef (psf, "e1341124", VOC_EXTENDED_II, length, psf->sf.samplerate, 8, psf->sf.channels, 6, 0) ;
					break ;

			case SF_FORMAT_ULAW :
					psf->bytewidth = 1 ;
					length = psf->sf.frames * psf->sf.channels * psf->bytewidth + 12 ;
					psf_binheader_writef (psf, "e1341124", VOC_EXTENDED_II, length, psf->sf.samplerate, 8, psf->sf.channels, 7, 0) ;
					break ;

			default : return SFE_UNIMPLEMENTED ;
			} ;
		} ;

	psf_fwrite (psf->header, psf->headindex, 1, psf) ;

	if (psf->error)
		return psf->error ;

	psf->dataoffset = psf->headindex ;

	if (current > 0)
		psf_fseek (psf, current, SEEK_SET) ;

	return psf->error ;
} /* voc_write_header */
예제 #6
0
파일: caf.c 프로젝트: weiwei22844/sox
static void
caf_write_strings (SF_PRIVATE * psf, int location)
{	struct put_buffer buf ;
 	const char * cptr ;
	uint32_t k, string_count = 0 ;

	memset (&buf, 0, sizeof (buf)) ;

	for (k = 0 ; k < SF_MAX_STRINGS ; k++)
	{	if (psf->strings.data [k].type == 0)
			break ;

		if (psf->strings.data [k].flags != location)
			continue ;

		if ((cptr = psf_get_string (psf, psf->strings.data [k].type)) == NULL)
			continue ;

		switch (psf->strings.data [k].type)
		{	case SF_STR_TITLE :
				string_count += put_key_value (&buf, "title", cptr) ;
				break ;
			case SF_STR_COPYRIGHT :
				string_count += put_key_value (&buf, "copyright", cptr) ;
				break ;
			case SF_STR_SOFTWARE :
				string_count += put_key_value (&buf, "software", cptr) ;
				break ;
			case SF_STR_ARTIST :
				string_count += put_key_value (&buf, "artist", cptr) ;
				break ;
			case SF_STR_COMMENT :
				string_count += put_key_value (&buf, "comment", cptr) ;
				break ;
			case SF_STR_DATE :
				string_count += put_key_value (&buf, "date", cptr) ;
				break ;
			case SF_STR_ALBUM :
				string_count += put_key_value (&buf, "album", cptr) ;
				break ;
			case SF_STR_LICENSE :
				string_count += put_key_value (&buf, "license", cptr) ;
				break ;
			case SF_STR_TRACKNUMBER :
				string_count += put_key_value (&buf, "tracknumber", cptr) ;
				break ;
			case SF_STR_GENRE :
				string_count += put_key_value (&buf, "genre", cptr) ;
				break ;

			default :
				break ;
			} ;
		} ;

	if (string_count == 0 || buf.index == 0)
		return ;

	psf_binheader_writef (psf, "Em84b", info_MARKER, make_size_8 (buf.index + 4), string_count, buf.s, make_size_t (buf.index)) ;
} /* caf_write_strings */
예제 #7
0
파일: caf.c 프로젝트: weiwei22844/sox
static int caf_read_strings (SF_PRIVATE * psf, sf_count_t chunk_size)
{
    //char buf [chunk_size - 4] ;
    char *buf = (char*)malloc(chunk_size-4);
    char *key, *value ;
    uint32_t count, hash ;

    psf_binheader_readf (psf, "E4b", &count, buf, make_size_t (chunk_size - 4)) ;
    psf_log_printf (psf, " count: %u\n", count) ;

    /* Force terminate `buf` to make sure. */
    buf [chunk_size-4 - 1] = 0 ;

    for (key = buf ; key < buf + chunk_size-4 ; )
    {	value = key + strlen (key) + 1 ;
    if (value > buf + chunk_size-4)
        break ;
    psf_log_printf (psf, "   %-12s : %s\n", key, value) ;

    hash = string_hash32 (key) ;
    switch (hash)
    {	case 0xC4861943 : /* 'title' */
    psf_store_string (psf, SF_STR_TITLE, value) ;
    break ;
    case 0xAD47A394 : /* 'software' */
        psf_store_string (psf, SF_STR_SOFTWARE, value) ;
        break ;
    case 0x5D178E2A : /* 'copyright' */
        psf_store_string (psf, SF_STR_COPYRIGHT, value) ;
        break ;
    case 0x60E4D0C8 : /* 'artist' */
        psf_store_string (psf, SF_STR_ARTIST, value) ;
        break ;
    case 0x83B5D16A : /* 'genre' */
        psf_store_string (psf, SF_STR_GENRE, value) ;
        break ;
    case 0x15E5FC88 : /* 'comment' */
    case 0x7C297D5B : /* 'comments' */
        psf_store_string (psf, SF_STR_COMMENT, value) ;
        break ;
    case 0x24A7C347 : /* 'tracknumber' */
        psf_store_string (psf, SF_STR_TRACKNUMBER, value) ;
        break ;
    case 0x50A31EB7 : /* 'date' */
        psf_store_string (psf, SF_STR_DATE, value) ;
        break ;
    case 0x6583545A : /* 'album' */
        psf_store_string (psf, SF_STR_ALBUM, value) ;
        break ;
    case 0xE7C64B6C : /* 'license' */
        psf_store_string (psf, SF_STR_LICENSE, value) ;
        break ;
    default :
        psf_log_printf (psf, " Unhandled hash 0x%x : /* '%s' */\n", hash, key) ;
        break ;
    } ;

    key = value + strlen (value) + 1 ;
    } ;
    free(buf);

    return 0 ;
}
예제 #8
0
파일: caf.c 프로젝트: weiwei22844/sox
static int
caf_write_header (SF_PRIVATE *psf, int calc_length)
{	BUF_UNION	ubuf ;
	CAF_PRIVATE	*pcaf ;
	DESC_CHUNK desc ;
	sf_count_t current, free_len ;
	uint32_t uk ;
	int subformat, append_free_block = SF_TRUE ;

	if ((pcaf = psf->container_data) == NULL)
		return SFE_INTERNAL ;

	memset (&desc, 0, sizeof (desc)) ;

	current = psf_ftell (psf) ;

	if (calc_length)
	{	psf->filelength = psf_get_filelen (psf) ;

		psf->datalength = psf->filelength - psf->dataoffset ;

		if (psf->dataend)
			psf->datalength -= psf->filelength - psf->dataend ;

		if (psf->bytewidth > 0)
			psf->sf.frames = psf->datalength / (psf->bytewidth * psf->sf.channels) ;
		} ;

	/* Reset the current header length to zero. */
	psf->header [0] = 0 ;
	psf->headindex = 0 ;
	psf_fseek (psf, 0, SEEK_SET) ;

	/* 'caff' marker, version and flags. */
	psf_binheader_writef (psf, "Em22", caff_MARKER, 1, 0) ;

	/* 'desc' marker and chunk size. */
	psf_binheader_writef (psf, "Em8", desc_MARKER, (sf_count_t) (sizeof (DESC_CHUNK))) ;

 	double64_be_write (1.0 * psf->sf.samplerate, ubuf.ucbuf) ;
	psf_binheader_writef (psf, "b", ubuf.ucbuf, make_size_t (8)) ;

	subformat = SF_CODEC (psf->sf.format) ;

	psf->endian = SF_ENDIAN (psf->sf.format) ;

	if (CPU_IS_BIG_ENDIAN && (psf->endian == 0 || psf->endian == SF_ENDIAN_CPU))
		psf->endian = SF_ENDIAN_BIG ;
	else if (CPU_IS_LITTLE_ENDIAN && (psf->endian == SF_ENDIAN_LITTLE || psf->endian == SF_ENDIAN_CPU))
		psf->endian = SF_ENDIAN_LITTLE ;

	if (psf->endian == SF_ENDIAN_LITTLE)
		desc.fmt_flags = 2 ;
	else
		psf->endian = SF_ENDIAN_BIG ;

	/* initial section (same for all, it appears) */
	switch (subformat)
	{	case SF_FORMAT_PCM_S8 :
			desc.fmt_id = lpcm_MARKER ;
			psf->bytewidth = 1 ;
			desc.pkt_bytes = psf->bytewidth * psf->sf.channels ;
			desc.frames_per_packet = 1 ;
			desc.channels_per_frame = psf->sf.channels ;
			desc.bits_per_chan = 8 ;
			break ;

		case SF_FORMAT_PCM_16 :
			desc.fmt_id = lpcm_MARKER ;
			psf->bytewidth = 2 ;
			desc.pkt_bytes = psf->bytewidth * psf->sf.channels ;
			desc.frames_per_packet = 1 ;
			desc.channels_per_frame = psf->sf.channels ;
			desc.bits_per_chan = 16 ;
			break ;

		case SF_FORMAT_PCM_24 :
			psf->bytewidth = 3 ;
			desc.pkt_bytes = psf->bytewidth * psf->sf.channels ;
			desc.frames_per_packet = 1 ;
			desc.channels_per_frame = psf->sf.channels ;
			desc.bits_per_chan = 24 ;
			desc.fmt_id = lpcm_MARKER ;
			break ;

		case SF_FORMAT_PCM_32 :
			desc.fmt_id = lpcm_MARKER ;
			psf->bytewidth = 4 ;
			desc.pkt_bytes = psf->bytewidth * psf->sf.channels ;
			desc.frames_per_packet = 1 ;
			desc.channels_per_frame = psf->sf.channels ;
			desc.bits_per_chan = 32 ;
			break ;

		case SF_FORMAT_FLOAT :
			desc.fmt_id = lpcm_MARKER ;
			desc.fmt_flags |= 1 ;
			psf->bytewidth = 4 ;
			desc.pkt_bytes = psf->bytewidth * psf->sf.channels ;
			desc.frames_per_packet = 1 ;
			desc.channels_per_frame = psf->sf.channels ;
			desc.bits_per_chan = 32 ;
			break ;

		case SF_FORMAT_DOUBLE :
			desc.fmt_id = lpcm_MARKER ;
			desc.fmt_flags |= 1 ;
			psf->bytewidth = 8 ;
			desc.pkt_bytes = psf->bytewidth * psf->sf.channels ;
			desc.frames_per_packet = 1 ;
			desc.channels_per_frame = psf->sf.channels ;
			desc.bits_per_chan = 64 ;
			break ;

		case SF_FORMAT_ALAW :
			desc.fmt_id = alaw_MARKER ;
			psf->bytewidth = 1 ;
			desc.pkt_bytes = psf->bytewidth * psf->sf.channels ;
			desc.frames_per_packet = 1 ;
			desc.channels_per_frame = psf->sf.channels ;
			desc.bits_per_chan = 8 ;
			break ;

		case SF_FORMAT_ULAW :
			desc.fmt_id = ulaw_MARKER ;
			psf->bytewidth = 1 ;
			desc.pkt_bytes = psf->bytewidth * psf->sf.channels ;
			desc.frames_per_packet = 1 ;
			desc.channels_per_frame = psf->sf.channels ;
			desc.bits_per_chan = 8 ;
			break ;

		case SF_FORMAT_ALAC_16 :
		case SF_FORMAT_ALAC_20 :
		case SF_FORMAT_ALAC_24 :
		case SF_FORMAT_ALAC_32 :
			desc.fmt_id = alac_MARKER ;
			desc.pkt_bytes = psf->bytewidth * psf->sf.channels ;
			desc.channels_per_frame = psf->sf.channels ;
			alac_get_desc_chunk_items (subformat, &desc.fmt_flags, &desc.frames_per_packet) ;
			append_free_block = SF_FALSE ;
			break ;

		default :
			return SFE_UNIMPLEMENTED ;
		} ;

	psf_binheader_writef (psf, "mE44444", desc.fmt_id, desc.fmt_flags, desc.pkt_bytes, desc.frames_per_packet, desc.channels_per_frame, desc.bits_per_chan) ;

	caf_write_strings (psf, SF_STR_LOCATE_START) ;

	if (psf->peak_info != NULL)
	{	int k ;
		psf_binheader_writef (psf, "Em84", peak_MARKER, (sf_count_t) CAF_PEAK_CHUNK_SIZE (psf->sf.channels), psf->peak_info->edit_number) ;
		for (k = 0 ; k < psf->sf.channels ; k++)
			psf_binheader_writef (psf, "Ef8", (float) psf->peak_info->peaks [k].value, psf->peak_info->peaks [k].position) ;
		} ;

	if (psf->channel_map && pcaf->chanmap_tag)
		psf_binheader_writef (psf, "Em8444", chan_MARKER, (sf_count_t) 12, pcaf->chanmap_tag, 0, 0) ;

	/* Write custom headers. */
	for (uk = 0 ; uk < psf->wchunks.used ; uk++)
		psf_binheader_writef (psf, "m44b", (int) psf->wchunks.chunks [uk].mark32, 0, psf->wchunks.chunks [uk].len, psf->wchunks.chunks [uk].data, make_size_t (psf->wchunks.chunks [uk].len)) ;

	if (append_free_block)
	{	/* Add free chunk so that the actual audio data starts at a multiple 0x1000. */
		free_len = 0x1000 - psf->headindex - 16 - 12 ;
		while (free_len < 0)
			free_len += 0x1000 ;
		psf_binheader_writef (psf, "Em8z", free_MARKER, free_len, (int) free_len) ;
		} ;

	psf_binheader_writef (psf, "Em84", data_MARKER, psf->datalength + 4, 0) ;

	psf_fwrite (psf->header, psf->headindex, 1, psf) ;
	if (psf->error)
		return psf->error ;

	psf->dataoffset = psf->headindex ;
	if (current < psf->dataoffset)
		psf_fseek (psf, psf->dataoffset, SEEK_SET) ;
	else if (current > 0)
		psf_fseek (psf, current, SEEK_SET) ;

	return psf->error ;
} /* caf_write_header */
예제 #9
0
파일: caf.c 프로젝트: weiwei22844/sox
static int
caf_read_header (SF_PRIVATE *psf)
{	CAF_PRIVATE	*pcaf ;
	BUF_UNION	ubuf ;
	DESC_CHUNK desc ;
	sf_count_t chunk_size ;
	double srate ;
	short version, flags ;
	int marker, k, have_data = 0, error ;

	if ((pcaf = psf->container_data) == NULL)
		return SFE_INTERNAL ;

	memset (&desc, 0, sizeof (desc)) ;

	/* Set position to start of file to begin reading header. */
	psf_binheader_readf (psf, "pmE2E2", 0, &marker, &version, &flags) ;
	psf_log_printf (psf, "%M\n  Version : %d\n  Flags   : %x\n", marker, version, flags) ;
	if (marker != caff_MARKER)
		return SFE_CAF_NOT_CAF ;

	psf_binheader_readf (psf, "mE8b", &marker, &chunk_size, ubuf.ucbuf, 8) ;
	srate = double64_be_read (ubuf.ucbuf) ;
	snprintf (ubuf.cbuf, sizeof (ubuf.cbuf), "%5.3f", srate) ;
	psf_log_printf (psf, "%M : %D\n  Sample rate  : %s\n", marker, chunk_size, ubuf.cbuf) ;
	if (marker != desc_MARKER)
		return SFE_CAF_NO_DESC ;

	if (chunk_size < SIGNED_SIZEOF (DESC_CHUNK))
	{	psf_log_printf (psf, "**** Chunk size too small. Should be > 32 bytes.\n") ;
		return SFE_MALFORMED_FILE ;
		} ;

	psf->sf.samplerate = lrint (srate) ;

	psf_binheader_readf (psf, "mE44444", &desc.fmt_id, &desc.fmt_flags, &desc.pkt_bytes, &desc.frames_per_packet,
			&desc.channels_per_frame, &desc.bits_per_chan) ;
	psf_log_printf (psf, "  Format id    : %M\n  Format flags : %x\n  Bytes / packet   : %u\n"
			"  Frames / packet  : %u\n  Channels / frame : %u\n  Bits / channel   : %u\n",
			desc.fmt_id, desc.fmt_flags, desc.pkt_bytes, desc.frames_per_packet, desc.channels_per_frame, desc.bits_per_chan) ;

	if (desc.channels_per_frame > SF_MAX_CHANNELS)
	{	psf_log_printf (psf, "**** Bad channels per frame value %u.\n", desc.channels_per_frame) ;
		return SFE_MALFORMED_FILE ;
		} ;

	if (chunk_size > SIGNED_SIZEOF (DESC_CHUNK))
		psf_binheader_readf (psf, "j", (int) (chunk_size - sizeof (DESC_CHUNK))) ;

	psf->sf.channels = desc.channels_per_frame ;

	while (1)
	{	marker = 0 ;
		chunk_size = 0 ;

		psf_binheader_readf (psf, "mE8", &marker, &chunk_size) ;
		if (marker == 0)
		{	sf_count_t pos = psf_ftell (psf) ;
			psf_log_printf (psf, "Have 0 marker at position %D (0x%x).\n", pos, pos) ;
			break ;
			} ;
		if (chunk_size < 0)
		{	psf_log_printf (psf, "%M : %D *** Should be >= 0 ***\n", marker, chunk_size) ;
			break ;
			} ;

		psf_store_read_chunk_u32 (&psf->rchunks, marker, psf_ftell (psf), chunk_size) ;

		switch (marker)
		{	case peak_MARKER :
				psf_log_printf (psf, "%M : %D\n", marker, chunk_size) ;
				if (chunk_size != CAF_PEAK_CHUNK_SIZE (psf->sf.channels))
				{	psf_binheader_readf (psf, "j", make_size_t (chunk_size)) ;
					psf_log_printf (psf, "*** File PEAK chunk %D should be %d.\n", chunk_size, CAF_PEAK_CHUNK_SIZE (psf->sf.channels)) ;
					return SFE_CAF_BAD_PEAK ;
					} ;

				if ((psf->peak_info = peak_info_calloc (psf->sf.channels)) == NULL)
					return SFE_MALLOC_FAILED ;

				/* read in rest of PEAK chunk. */
				psf_binheader_readf (psf, "E4", & (psf->peak_info->edit_number)) ;
				psf_log_printf (psf, "  edit count : %d\n", psf->peak_info->edit_number) ;

				psf_log_printf (psf, "     Ch   Position       Value\n") ;
				for (k = 0 ; k < psf->sf.channels ; k++)
				{	sf_count_t position ;
					float value ;

					psf_binheader_readf (psf, "Ef8", &value, &position) ;
					psf->peak_info->peaks [k].value = value ;
					psf->peak_info->peaks [k].position = position ;

					snprintf (ubuf.cbuf, sizeof (ubuf.cbuf), "    %2d   %-12" PRId64 "   %g\n", k, position, value) ;
					psf_log_printf (psf, ubuf.cbuf) ;
					} ;

				psf->peak_info->peak_loc = SF_PEAK_START ;
				break ;

			case chan_MARKER :
				if (chunk_size < 12)
				{	psf_log_printf (psf, "%M : %D (should be >= 12)\n", marker, chunk_size) ;
					psf_binheader_readf (psf, "j", make_size_t (chunk_size)) ;
					break ;
					}

				psf_log_printf (psf, "%M : %D\n", marker, chunk_size) ;

				if ((error = caf_read_chanmap (psf, chunk_size)))
					return error ;
				break ;

			case free_MARKER :
				psf_log_printf (psf, "%M : %D\n", marker, chunk_size) ;
				psf_binheader_readf (psf, "j", make_size_t (chunk_size)) ;
				break ;

			case data_MARKER :
				psf_binheader_readf (psf, "E4", &k) ;
				if (chunk_size == -1)
				{	psf_log_printf (psf, "%M : -1\n") ;
					chunk_size = psf->filelength - psf->headindex ;
					}
				else if (psf->filelength > 0 && chunk_size > psf->filelength - psf->headindex + 10)
				{	psf_log_printf (psf, "%M : %D (should be %D)\n", marker, chunk_size, psf->filelength - psf->headindex - 8) ;
					psf->datalength = psf->filelength - psf->headindex - 8 ;
					}
				else
				{	psf_log_printf (psf, "%M : %D\n", marker, chunk_size) ;
					/* Subtract the 4 bytes of the 'edit' field above. */
					psf->datalength = chunk_size - 4 ;
					} ;

				psf_log_printf (psf, "  edit : %u\n", k) ;

				psf->dataoffset = psf->headindex ;
				if (psf->datalength + psf->dataoffset < psf->filelength)
					psf->dataend = psf->datalength + psf->dataoffset ;

				psf_binheader_readf (psf, "j", make_size_t (psf->datalength)) ;
				have_data = 1 ;
				break ;

			case kuki_MARKER :
				psf_log_printf (psf, "%M : %D\n", marker, chunk_size) ;
				pcaf->alac.kuki_offset = psf_ftell (psf) - 12 ;
				psf_binheader_readf (psf, "j", make_size_t (chunk_size)) ;
				break ;

			case pakt_MARKER :
				if (chunk_size < 24)
				{	psf_log_printf (psf, "%M : %D (should be > 24)\n", marker, chunk_size) ;
					return SFE_MALFORMED_FILE ;
					}
				else if (chunk_size > psf->filelength - psf->headindex)
				{	psf_log_printf (psf, "%M : %D (should be < %D)\n", marker, chunk_size, psf->filelength - psf->headindex) ;
					return SFE_MALFORMED_FILE ;
					}
				else
					psf_log_printf (psf, "%M : %D\n", marker, chunk_size) ;

				psf_binheader_readf (psf, "E8844", &pcaf->alac.packets, &pcaf->alac.valid_frames,
									&pcaf->alac.priming_frames, &pcaf->alac.remainder_frames) ;

				psf_log_printf (psf,
						"  Packets          : %D\n"
						"  Valid frames     : %D\n"
						"  Priming frames   : %d\n"
						"  Remainder frames : %d\n",
						pcaf->alac.packets, pcaf->alac.valid_frames, pcaf->alac.priming_frames,
						pcaf->alac.remainder_frames
						) ;

				if (pcaf->alac.packets == 0 && pcaf->alac.valid_frames == 0
							&& pcaf->alac.priming_frames == 0 && pcaf->alac.remainder_frames == 0)
					psf_log_printf (psf, "*** 'pakt' chunk header is all zero.\n") ;

				pcaf->alac.pakt_offset = psf_ftell (psf) - 12 ;
				psf_binheader_readf (psf, "j", make_size_t (chunk_size) - 24) ;
				break ;

			case info_MARKER :
				if (chunk_size < 4)
				{	psf_log_printf (psf, "%M : %D (should be > 4)\n", marker, chunk_size) ;
					return SFE_MALFORMED_FILE ;
					}
				else if (chunk_size > psf->filelength - psf->headindex)
				{	psf_log_printf (psf, "%M : %D (should be < %D)\n", marker, chunk_size, psf->filelength - psf->headindex) ;
					return SFE_MALFORMED_FILE ;
					} ;
				psf_log_printf (psf, "%M : %D\n", marker, chunk_size) ;
				caf_read_strings (psf, chunk_size) ;
				break ;

			default :
				psf_log_printf (psf, "%M : %D (skipped)\n", marker, chunk_size) ;
				psf_binheader_readf (psf, "j", make_size_t (chunk_size)) ;
				break ;
			} ;

		if (marker != data_MARKER && chunk_size >= 0xffffff00)
			break ;

		if (! psf->sf.seekable && have_data)
			break ;

		if (psf_ftell (psf) >= psf->filelength - SIGNED_SIZEOF (chunk_size))
		{	psf_log_printf (psf, "End\n") ;
			break ;
			} ;
		} ;

	if (have_data == 0)
	{	psf_log_printf (psf, "**** Error, could not find 'data' chunk.\n") ;
		return SFE_MALFORMED_FILE ;
		} ;

	psf->endian = (desc.fmt_flags & 2) ? SF_ENDIAN_LITTLE : SF_ENDIAN_BIG ;

	psf_fseek (psf, psf->dataoffset, SEEK_SET) ;

	if ((psf->sf.format = decode_desc_chunk (psf, &desc)) == 0)
		return SFE_UNSUPPORTED_ENCODING ;

	if (psf->bytewidth > 0)
		psf->sf.frames = psf->datalength / psf->bytewidth ;

	return 0 ;
} /* caf_read_header */
예제 #10
0
파일: mat5.c 프로젝트: naxxfish/libsndfile
static int
mat5_write_header (SF_PRIVATE *psf, int calc_length)
{	static const char	*filename = "MATLAB 5.0 MAT-file, written by " PACKAGE "-" VERSION ", " ;
	static const char	*sr_name = "samplerate\0\0\0\0\0\0\0\0\0\0\0" ;
	static const char	*wd_name = "wavedata\0" ;
	char		buffer [256] ;
	sf_count_t	current, datasize ;
	int			encoding ;

	current = psf_ftell (psf) ;

	if (calc_length)
	{	psf_fseek (psf, 0, SEEK_END) ;
		psf->filelength = psf_ftell (psf) ;
		psf_fseek (psf, 0, SEEK_SET) ;

		psf->datalength = psf->filelength - psf->dataoffset ;
		if (psf->dataend)
			psf->datalength -= psf->filelength - psf->dataend ;

		psf->sf.frames = psf->datalength / (psf->bytewidth * psf->sf.channels) ;
		} ;

	switch (SF_CODEC (psf->sf.format))
	{	case SF_FORMAT_PCM_U8 :
				encoding = MAT5_TYPE_UCHAR ;
				break ;

		case SF_FORMAT_PCM_16 :
				encoding = MAT5_TYPE_INT16 ;
				break ;

		case SF_FORMAT_PCM_32 :
				encoding = MAT5_TYPE_INT32 ;
				break ;

		case SF_FORMAT_FLOAT :
				encoding = MAT5_TYPE_FLOAT ;
				break ;

		case SF_FORMAT_DOUBLE :
				encoding = MAT5_TYPE_DOUBLE ;
				break ;

		default :
				return SFE_BAD_OPEN_FORMAT ;
		} ;

	/* Reset the current header length to zero. */
	psf->header [0] = 0 ;
	psf->headindex = 0 ;
	psf_fseek (psf, 0, SEEK_SET) ;

	psf_get_date_str (buffer, sizeof (buffer)) ;
	psf_binheader_writef (psf, "bb", filename, strlen (filename), buffer, strlen (buffer) + 1) ;

	memset (buffer, ' ', 124 - psf->headindex) ;
	psf_binheader_writef (psf, "b", buffer, make_size_t (124 - psf->headindex)) ;

	psf->rwf_endian = psf->endian ;

	if (psf->rwf_endian == SF_ENDIAN_BIG)
		psf_binheader_writef (psf, "2b", 0x0100, "MI", make_size_t (2)) ;
	else
		psf_binheader_writef (psf, "2b", 0x0100, "IM", make_size_t (2)) ;

	psf_binheader_writef (psf, "444444", MAT5_TYPE_ARRAY, 64, MAT5_TYPE_UINT32, 8, 6, 0) ;
	psf_binheader_writef (psf, "4444", MAT5_TYPE_INT32, 8, 1, 1) ;
	psf_binheader_writef (psf, "44b", MAT5_TYPE_SCHAR, strlen (sr_name), sr_name, make_size_t (16)) ;

	if (psf->sf.samplerate > 0xFFFF)
		psf_binheader_writef (psf, "44", MAT5_TYPE_COMP_UINT, psf->sf.samplerate) ;
	else
	{	unsigned short samplerate = psf->sf.samplerate ;

		psf_binheader_writef (psf, "422", MAT5_TYPE_COMP_USHORT, samplerate, 0) ;
		} ;

	datasize = psf->sf.frames * psf->sf.channels * psf->bytewidth ;

	psf_binheader_writef (psf, "t484444", MAT5_TYPE_ARRAY, datasize + 64, MAT5_TYPE_UINT32, 8, 6, 0) ;
	psf_binheader_writef (psf, "t4448", MAT5_TYPE_INT32, 8, psf->sf.channels, psf->sf.frames) ;
	psf_binheader_writef (psf, "44b", MAT5_TYPE_SCHAR, strlen (wd_name), wd_name, strlen (wd_name)) ;

	datasize = psf->sf.frames * psf->sf.channels * psf->bytewidth ;
	if (datasize > 0x7FFFFFFF)
		datasize = 0x7FFFFFFF ;

	psf_binheader_writef (psf, "t48", encoding, datasize) ;

	/* Header construction complete so write it out. */
	psf_fwrite (psf->header, psf->headindex, 1, psf) ;

	if (psf->error)
		return psf->error ;

	psf->dataoffset = psf->headindex ;

	if (current > 0)
		psf_fseek (psf, current, SEEK_SET) ;

	return psf->error ;
} /* mat5_write_header */