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(); }
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 */
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 */
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 */
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 */
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 */
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 ; }
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 */
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 */
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 */