--- /dev/null
+/*
+** Copyright (C) 2005-2011 Erik de Castro Lopo <erikd@mega-nerd.com>
+**
+** This program is free software; you can redistribute it and/or modify
+** it under the terms of the GNU Lesser General Public License as published by
+** the Free Software Foundation; either version 2.1 of the License, or
+** (at your option) any later version.
+**
+** This program is distributed in the hope that it will be useful,
+** but WITHOUT ANY WARRANTY; without even the implied warranty of
+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+** GNU Lesser General Public License for more details.
+**
+** You should have received a copy of the GNU Lesser General Public License
+** along with this program; if not, write to the Free Software
+** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+*/
+
+#include "sfconfig.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+#include <math.h>
+#include <inttypes.h>
+
+#include "sndfile.h"
+#include "sfendian.h"
+#include "common.h"
+#include "chanmap.h"
+
+/*------------------------------------------------------------------------------
+** Macros to handle big/little endian issues.
+*/
+
+#define aac_MARKER MAKE_MARKER ('a', 'a', 'c', ' ')
+#define alac_MARKER MAKE_MARKER ('a', 'l', 'a', 'c')
+#define alaw_MARKER MAKE_MARKER ('a', 'l', 'a', 'w')
+#define caff_MARKER MAKE_MARKER ('c', 'a', 'f', 'f')
+#define chan_MARKER MAKE_MARKER ('c', 'h', 'a', 'n')
+#define data_MARKER MAKE_MARKER ('d', 'a', 't', 'a')
+#define desc_MARKER MAKE_MARKER ('d', 'e', 's', 'c')
+#define edct_MARKER MAKE_MARKER ('e', 'd', 'c', 't')
+#define free_MARKER MAKE_MARKER ('f', 'r', 'e', 'e')
+#define ima4_MARKER MAKE_MARKER ('i', 'm', 'a', '4')
+#define info_MARKER MAKE_MARKER ('i', 'n', 'f', 'o')
+#define inst_MARKER MAKE_MARKER ('i', 'n', 's', 't')
+#define kuki_MARKER MAKE_MARKER ('k', 'u', 'k', 'i')
+#define lpcm_MARKER MAKE_MARKER ('l', 'p', 'c', 'm')
+#define mark_MARKER MAKE_MARKER ('m', 'a', 'r', 'k')
+#define midi_MARKER MAKE_MARKER ('m', 'i', 'd', 'i')
+#define mp1_MARKER MAKE_MARKER ('.', 'm', 'p', '1')
+#define mp2_MARKER MAKE_MARKER ('.', 'm', 'p', '2')
+#define mp3_MARKER MAKE_MARKER ('.', 'm', 'p', '3')
+#define ovvw_MARKER MAKE_MARKER ('o', 'v', 'v', 'w')
+#define pakt_MARKER MAKE_MARKER ('p', 'a', 'k', 't')
+#define peak_MARKER MAKE_MARKER ('p', 'e', 'a', 'k')
+#define regn_MARKER MAKE_MARKER ('r', 'e', 'g', 'n')
+#define strg_MARKER MAKE_MARKER ('s', 't', 'r', 'g')
+#define umid_MARKER MAKE_MARKER ('u', 'm', 'i', 'd')
+#define uuid_MARKER MAKE_MARKER ('u', 'u', 'i', 'd')
+#define ulaw_MARKER MAKE_MARKER ('u', 'l', 'a', 'w')
+#define MAC3_MARKER MAKE_MARKER ('M', 'A', 'C', '3')
+#define MAC6_MARKER MAKE_MARKER ('M', 'A', 'C', '6')
+
+#define CAF_PEAK_CHUNK_SIZE(ch) ((int) (sizeof (int) + ch * (sizeof (float) + 8)))
+
+#define SFE_CAF_NOT_CAF 666
+#define SFE_CAF_NO_DESC 667
+#define SFE_CAF_BAD_PEAK 668
+
+/*------------------------------------------------------------------------------
+** Typedefs.
+*/
+
+typedef struct
+{ unsigned char srate [8] ;
+ unsigned int fmt_id ;
+ unsigned int fmt_flags ;
+ unsigned int pkt_bytes ;
+ unsigned int pkt_frames ;
+ unsigned int channels_per_frame ;
+ unsigned int bits_per_chan ;
+} DESC_CHUNK ;
+
+typedef struct
+{ int chanmap_tag ;
+} CAF_PRIVATE ;
+
+/*------------------------------------------------------------------------------
+** Private static functions.
+*/
+
+static int caf_close (SF_PRIVATE *psf) ;
+static int caf_read_header (SF_PRIVATE *psf) ;
+static int caf_write_header (SF_PRIVATE *psf, int calc_length) ;
+static int caf_command (SF_PRIVATE *psf, int command, void *data, int datasize) ;
+static int caf_read_chanmap (SF_PRIVATE * psf, sf_count_t chunk_size) ;
+
+/*------------------------------------------------------------------------------
+** Public function.
+*/
+
+int
+caf_open (SF_PRIVATE *psf)
+{ int subformat, format, error = 0 ;
+
+ if (psf->file.mode == SFM_READ || (psf->file.mode == SFM_RDWR && psf->filelength > 0))
+ { if ((error = caf_read_header (psf)))
+ return error ;
+ } ;
+
+ subformat = SF_CODEC (psf->sf.format) ;
+
+ if ((psf->container_data = calloc (1, sizeof (CAF_PRIVATE))) == NULL)
+ return SFE_MALLOC_FAILED ;
+
+ if (psf->file.mode == SFM_WRITE || psf->file.mode == SFM_RDWR)
+ { if (psf->is_pipe)
+ return SFE_NO_PIPE_WRITE ;
+
+ format = SF_CONTAINER (psf->sf.format) ;
+ if (format != SF_FORMAT_CAF)
+ return SFE_BAD_OPEN_FORMAT ;
+
+ psf->blockwidth = psf->bytewidth * psf->sf.channels ;
+
+ if (psf->file.mode != SFM_RDWR || psf->filelength < 44)
+ { psf->filelength = 0 ;
+ psf->datalength = 0 ;
+ psf->dataoffset = 0 ;
+ psf->sf.frames = 0 ;
+ } ;
+
+ psf->str_flags = SF_STR_ALLOW_START ;
+
+ /*
+ ** By default, add the peak chunk to floating point files. Default behaviour
+ ** can be switched off using sf_command (SFC_SET_PEAK_CHUNK, SF_FALSE).
+ */
+ if (psf->file.mode == SFM_WRITE && (subformat == SF_FORMAT_FLOAT || subformat == SF_FORMAT_DOUBLE))
+ { if ((psf->peak_info = peak_info_calloc (psf->sf.channels)) == NULL)
+ return SFE_MALLOC_FAILED ;
+ psf->peak_info->peak_loc = SF_PEAK_START ;
+ } ;
+
+ if ((error = caf_write_header (psf, SF_FALSE)) != 0)
+ return error ;
+
+ psf->write_header = caf_write_header ;
+ } ;
+
+ psf->container_close = caf_close ;
+ psf->command = caf_command ;
+
+ switch (subformat)
+ { case SF_FORMAT_PCM_S8 :
+ case SF_FORMAT_PCM_16 :
+ case SF_FORMAT_PCM_24 :
+ case SF_FORMAT_PCM_32 :
+ error = pcm_init (psf) ;
+ break ;
+
+ case SF_FORMAT_ULAW :
+ error = ulaw_init (psf) ;
+ break ;
+
+ case SF_FORMAT_ALAW :
+ error = alaw_init (psf) ;
+ break ;
+
+ /* Lite remove start */
+ case SF_FORMAT_FLOAT :
+ error = float32_init (psf) ;
+ break ;
+
+ case SF_FORMAT_DOUBLE :
+ error = double64_init (psf) ;
+ break ;
+ /* Lite remove end */
+
+ default :
+ return SFE_UNSUPPORTED_ENCODING ;
+ } ;
+
+ return error ;
+} /* caf_open */
+
+static int
+caf_close (SF_PRIVATE *psf)
+{
+ if (psf->file.mode == SFM_WRITE || psf->file.mode == SFM_RDWR)
+ caf_write_header (psf, SF_TRUE) ;
+
+ return 0 ;
+} /* caf_close */
+
+static int
+caf_command (SF_PRIVATE * psf, int command, void * UNUSED (data), int UNUSED (datasize))
+{ CAF_PRIVATE *pcaf ;
+
+ if ((pcaf = psf->container_data) == NULL)
+ return SFE_INTERNAL ;
+
+ switch (command)
+ { case SFC_SET_CHANNEL_MAP_INFO :
+ pcaf->chanmap_tag = aiff_caf_find_channel_layout_tag (psf->channel_map, psf->sf.channels) ;
+ return (pcaf->chanmap_tag != 0) ;
+
+ default :
+ break ;
+ } ;
+
+ return 0 ;
+} /* caf_command */
+
+/*------------------------------------------------------------------------------
+*/
+
+static int
+decode_desc_chunk (SF_PRIVATE *psf, const DESC_CHUNK *desc)
+{ int format ;
+
+ psf->sf.channels = desc->channels_per_frame ;
+
+ format = SF_FORMAT_CAF | (psf->endian == SF_ENDIAN_LITTLE ? SF_ENDIAN_LITTLE : 0) ;
+
+ if (desc->fmt_id == lpcm_MARKER && desc->fmt_flags & 1)
+ { /* Floating point data. */
+ if (desc->bits_per_chan == 32 && desc->pkt_bytes == 4 * desc->channels_per_frame)
+ { psf->bytewidth = 4 ;
+ return format | SF_FORMAT_FLOAT ;
+ } ;
+ if (desc->bits_per_chan == 64 && desc->pkt_bytes == 8 * desc->channels_per_frame)
+ { psf->bytewidth = 8 ;
+ return format | SF_FORMAT_DOUBLE ;
+ } ;
+ } ;
+
+ if ((desc->fmt_flags & 1) != 0)
+ { psf_log_printf (psf, "**** Ooops, 'desc' chunk suggests float data, but other info invalid.\n") ;
+ return 0 ;
+ } ;
+
+ if (desc->fmt_id == lpcm_MARKER)
+ { /* Integer data. */
+ if (desc->bits_per_chan == 32 && desc->pkt_bytes == 4 * desc->channels_per_frame)
+ { psf->bytewidth = 4 ;
+ return format | SF_FORMAT_PCM_32 ;
+ } ;
+ if (desc->bits_per_chan == 24 && desc->pkt_bytes == 3 * desc->channels_per_frame)
+ { psf->bytewidth = 3 ;
+ return format | SF_FORMAT_PCM_24 ;
+ } ;
+ if (desc->bits_per_chan == 16 && desc->pkt_bytes == 2 * desc->channels_per_frame)
+ { psf->bytewidth = 2 ;
+ return format | SF_FORMAT_PCM_16 ;
+ } ;
+ if (desc->bits_per_chan == 8 && desc->pkt_bytes == 1 * desc->channels_per_frame)
+ { psf->bytewidth = 1 ;
+ return format | SF_FORMAT_PCM_S8 ;
+ } ;
+ } ;
+
+ if (desc->fmt_id == alaw_MARKER && desc->bits_per_chan == 8)
+ { psf->bytewidth = 1 ;
+ return format | SF_FORMAT_ALAW ;
+ } ;
+
+ if (desc->fmt_id == ulaw_MARKER && desc->bits_per_chan == 8)
+ { psf->bytewidth = 1 ;
+ return format | SF_FORMAT_ULAW ;
+ } ;
+
+ return 0 ;
+} /* decode_desc_chunk */
+
+static int
+caf_read_header (SF_PRIVATE *psf)
+{ DESC_CHUNK desc ;
+ sf_count_t chunk_size ;
+ double srate ;
+ short version, flags ;
+ int marker, k, have_data = 0, error ;
+
+ 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, psf->u.ucbuf, 8) ;
+ srate = double64_be_read (psf->u.ucbuf) ;
+ snprintf (psf->u.cbuf, sizeof (psf->u.cbuf), "%5.3f", srate) ;
+ psf_log_printf (psf, "%M : %D\n Sample rate : %s\n", marker, chunk_size, psf->u.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.pkt_frames,
+ &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.pkt_frames, 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 (have_data == 0 && psf_ftell (psf) < psf->filelength - SIGNED_SIZEOF (marker))
+ { psf_binheader_readf (psf, "mE8", &marker, &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", (int) 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 (psf->u.cbuf, sizeof (psf->u.cbuf), " %2d %-12" PRId64 " %g\n", k, position, value) ;
+ psf_log_printf (psf, psf->u.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", (int) 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", (int) chunk_size) ;
+ break ;
+
+ case data_MARKER :
+ if (psf->filelength > 0 && chunk_size + psf->headindex != psf->filelength)
+ psf_log_printf (psf, "%M : %D (should be %D)\n", marker, chunk_size, chunk_size + 4) ;
+ else
+ psf_log_printf (psf, "%M : %D\n", marker, chunk_size) ;
+ psf_binheader_readf (psf, "E4", &k) ;
+ psf_log_printf (psf, " edit : %u\n", k) ;
+ have_data = 1 ;
+ break ;
+
+ default :
+ psf_log_printf (psf, " %M : %D (skipped)\n", marker, chunk_size) ;
+ psf_binheader_readf (psf, "j", (int) chunk_size) ;
+ break ;
+ } ;
+ } ;
+
+ if (have_data == 0)
+ { psf_log_printf (psf, "**** Error, could not find 'data' chunk.\n") ;
+ return SFE_MALFORMED_FILE ;
+ } ;
+
+ psf_log_printf (psf, "End\n") ;
+
+ psf->dataoffset = psf_ftell (psf) ;
+ psf->datalength = psf->filelength - psf->dataoffset ;
+ psf->endian = (desc.fmt_flags & 2) ? SF_ENDIAN_LITTLE : SF_ENDIAN_BIG ;
+
+ 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
+caf_write_header (SF_PRIVATE *psf, int calc_length)
+{ CAF_PRIVATE *pcaf ;
+ DESC_CHUNK desc ;
+ sf_count_t current, free_len ;
+ int subformat ;
+
+ 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, psf->u.ucbuf) ;
+ psf_binheader_writef (psf, "b", psf->u.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.pkt_frames = 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.pkt_frames = 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.pkt_frames = 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.pkt_frames = 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.pkt_frames = 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.pkt_frames = 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.pkt_frames = 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.pkt_frames = 1 ;
+ desc.channels_per_frame = psf->sf.channels ;
+ desc.bits_per_chan = 8 ;
+ break ;
+
+ default :
+ return SFE_UNIMPLEMENTED ;
+ } ;
+
+ psf_binheader_writef (psf, "mE44444", desc.fmt_id, desc.fmt_flags, desc.pkt_bytes, desc.pkt_frames, desc.channels_per_frame, desc.bits_per_chan) ;
+
+#if 0
+ if (psf->str_flags & SF_STR_LOCATE_START)
+ caf_write_strings (psf, SF_STR_LOCATE_START) ;
+#endif
+
+ 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) ;
+
+ /* 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_chanmap (SF_PRIVATE * psf, sf_count_t chunk_size)
+{ const AIFF_CAF_CHANNEL_MAP * map_info ;
+ unsigned channel_bitmap, channel_decriptions, bytesread ;
+ int layout_tag ;
+
+ bytesread = psf_binheader_readf (psf, "E444", &layout_tag, &channel_bitmap, &channel_decriptions) ;
+
+ map_info = aiff_caf_of_channel_layout_tag (layout_tag) ;
+
+ psf_log_printf (psf, " Tag : %x\n", layout_tag) ;
+ if (map_info)
+ psf_log_printf (psf, " Layout : %s\n", map_info->name) ;
+
+ if (bytesread < chunk_size)
+ psf_binheader_readf (psf, "j", chunk_size - bytesread) ;
+
+ if (map_info->channel_map != NULL)
+ { size_t chanmap_size = psf->sf.channels * sizeof (psf->channel_map [0]) ;
+
+ free (psf->channel_map) ;
+
+ if ((psf->channel_map = malloc (chanmap_size)) == NULL)
+ return SFE_MALLOC_FAILED ;
+
+ memcpy (psf->channel_map, map_info->channel_map, chanmap_size) ;
+ } ;
+
+ return 0 ;
+} /* caf_read_chanmap */
+
projects / Faustine.git / blobdiff