X-Git-Url: https://scm.cri.ensmp.fr/git/Faustine.git/blobdiff_plain/1059e1cc0c2ecfa237406949aa26155b6a5b9154..66f23d4fabf89ad09adbd4dfc15ac6b5b2b7da83:/interpreter/lib/src/libsndfile-1.0.25/src/sd2.c diff --git a/interpreter/lib/src/libsndfile-1.0.25/src/sd2.c b/interpreter/lib/src/libsndfile-1.0.25/src/sd2.c new file mode 100644 index 0000000..9ef10a9 --- /dev/null +++ b/interpreter/lib/src/libsndfile-1.0.25/src/sd2.c @@ -0,0 +1,632 @@ +/* +** Copyright (C) 2001-2011 Erik de Castro Lopo +** Copyright (C) 2004 Paavo Jumppanen +** +** 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. +*/ + +/* +** The sd2 support implemented in this file was partially sponsored +** (financially) by Paavo Jumppanen. +*/ + +/* +** Documentation on the Mac resource fork was obtained here : +** http://developer.apple.com/documentation/mac/MoreToolbox/MoreToolbox-99.html +*/ + +#include "sfconfig.h" + +#include +#include +#include +#include + +#include "sndfile.h" +#include "sfendian.h" +#include "common.h" + +/*------------------------------------------------------------------------------ + * Markers. +*/ + +#define Sd2f_MARKER MAKE_MARKER ('S', 'd', '2', 'f') +#define Sd2a_MARKER MAKE_MARKER ('S', 'd', '2', 'a') +#define ALCH_MARKER MAKE_MARKER ('A', 'L', 'C', 'H') +#define lsf1_MARKER MAKE_MARKER ('l', 's', 'f', '1') + +#define STR_MARKER MAKE_MARKER ('S', 'T', 'R', ' ') +#define sdML_MARKER MAKE_MARKER ('s', 'd', 'M', 'L') + +enum +{ RSRC_STR = 111, + RSRC_BIN +} ; + +typedef struct +{ unsigned char * rsrc_data ; + int rsrc_len ; + int need_to_free_rsrc_data ; + + int data_offset, data_length ; + int map_offset, map_length ; + + int type_count, type_offset ; + int item_offset ; + + int str_index, str_count ; + + int string_offset ; + + /* All the above just to get these three. */ + int sample_size, sample_rate, channels ; +} SD2_RSRC ; + +typedef struct +{ int type ; + int id ; + char name [32] ; + char value [32] ; + int value_len ; +} STR_RSRC ; + +/*------------------------------------------------------------------------------ + * Private static functions. +*/ + +static int sd2_close (SF_PRIVATE *psf) ; + +static int sd2_parse_rsrc_fork (SF_PRIVATE *psf) ; +static int parse_str_rsrc (SF_PRIVATE *psf, SD2_RSRC * rsrc) ; + +static int sd2_write_rsrc_fork (SF_PRIVATE *psf, int calc_length) ; + +/*------------------------------------------------------------------------------ +** Public functions. +*/ + +int +sd2_open (SF_PRIVATE *psf) +{ int subformat, error = 0, valid ; + + /* SD2 is always big endian. */ + psf->endian = SF_ENDIAN_BIG ; + + if (psf->file.mode == SFM_READ || (psf->file.mode == SFM_RDWR && psf->rsrclength > 0)) + { psf_use_rsrc (psf, SF_TRUE) ; + valid = psf_file_valid (psf) ; + psf_use_rsrc (psf, SF_FALSE) ; + if (! valid) + { psf_log_printf (psf, "sd2_open : psf->rsrc.filedes < 0\n") ; + return SFE_SD2_BAD_RSRC ; + } ; + + error = sd2_parse_rsrc_fork (psf) ; + + if (error) + goto error_cleanup ; + } ; + + if ((SF_CONTAINER (psf->sf.format)) != SF_FORMAT_SD2) + { error = SFE_BAD_OPEN_FORMAT ; + goto error_cleanup ; + } ; + + subformat = SF_CODEC (psf->sf.format) ; + psf->dataoffset = 0 ; + + /* Only open and write the resource in RDWR mode is its current length is zero. */ + if (psf->file.mode == SFM_WRITE || (psf->file.mode == SFM_RDWR && psf->rsrclength == 0)) + { psf->rsrc.mode = psf->file.mode ; + psf_open_rsrc (psf) ; + + error = sd2_write_rsrc_fork (psf, SF_FALSE) ; + + if (error) + goto error_cleanup ; + + /* Not needed. */ + psf->write_header = NULL ; + } ; + + psf->container_close = sd2_close ; + + psf->blockwidth = psf->bytewidth * psf->sf.channels ; + + switch (subformat) + { case SF_FORMAT_PCM_S8 : /* 8-bit linear PCM. */ + case SF_FORMAT_PCM_16 : /* 16-bit linear PCM. */ + case SF_FORMAT_PCM_24 : /* 24-bit linear PCM */ + error = pcm_init (psf) ; + break ; + + default : + error = SFE_UNIMPLEMENTED ; + break ; + } ; + + psf_fseek (psf, psf->dataoffset, SEEK_SET) ; + +error_cleanup: + + /* Close the resource fork regardless. We won't need it again. */ + psf_close_rsrc (psf) ; + + return error ; +} /* sd2_open */ + +/*------------------------------------------------------------------------------ +*/ + +static int +sd2_close (SF_PRIVATE *psf) +{ + if (psf->file.mode == SFM_WRITE) + { /* Now we know for certain the audio_length of the file we can re-write + ** correct values for the FORM, 8SVX and BODY chunks. + */ + + } ; + + return 0 ; +} /* sd2_close */ + +/*------------------------------------------------------------------------------ +*/ + +static inline void +write_char (unsigned char * data, int offset, char value) +{ data [offset] = value ; +} /* write_char */ + +static inline void +write_short (unsigned char * data, int offset, short value) +{ data [offset] = value >> 8 ; + data [offset + 1] = value ; +} /* write_char */ + +static inline void +write_int (unsigned char * data, int offset, int value) +{ data [offset] = value >> 24 ; + data [offset + 1] = value >> 16 ; + data [offset + 2] = value >> 8 ; + data [offset + 3] = value ; +} /* write_int */ + +static inline void +write_marker (unsigned char * data, int offset, int value) +{ + if (CPU_IS_BIG_ENDIAN) + { data [offset] = value >> 24 ; + data [offset + 1] = value >> 16 ; + data [offset + 2] = value >> 8 ; + data [offset + 3] = value ; + } + else + { data [offset] = value ; + data [offset + 1] = value >> 8 ; + data [offset + 2] = value >> 16 ; + data [offset + 3] = value >> 24 ; + } ; +} /* write_marker */ + +static void +write_str (unsigned char * data, int offset, const char * buffer, int buffer_len) +{ memcpy (data + offset, buffer, buffer_len) ; +} /* write_str */ + +static int +sd2_write_rsrc_fork (SF_PRIVATE *psf, int UNUSED (calc_length)) +{ SD2_RSRC rsrc ; + STR_RSRC str_rsrc [] = + { { RSRC_STR, 1000, "_sample-size", "", 0 }, + { RSRC_STR, 1001, "_sample-rate", "", 0 }, + { RSRC_STR, 1002, "_channels", "", 0 }, + { RSRC_BIN, 1000, "_Markers", "", 8 } + } ; + + int k, str_offset, data_offset, next_str ; + + psf_use_rsrc (psf, SF_TRUE) ; + + memset (&rsrc, 0, sizeof (rsrc)) ; + + rsrc.sample_rate = psf->sf.samplerate ; + rsrc.sample_size = psf->bytewidth ; + rsrc.channels = psf->sf.channels ; + + rsrc.rsrc_data = psf->header ; + rsrc.rsrc_len = sizeof (psf->header) ; + memset (rsrc.rsrc_data, 0xea, rsrc.rsrc_len) ; + + snprintf (str_rsrc [0].value, sizeof (str_rsrc [0].value), "_%d", rsrc.sample_size) ; + snprintf (str_rsrc [1].value, sizeof (str_rsrc [1].value), "_%d.000000", rsrc.sample_rate) ; + snprintf (str_rsrc [2].value, sizeof (str_rsrc [2].value), "_%d", rsrc.channels) ; + + for (k = 0 ; k < ARRAY_LEN (str_rsrc) ; k++) + { if (str_rsrc [k].value_len == 0) + { str_rsrc [k].value_len = strlen (str_rsrc [k].value) ; + str_rsrc [k].value [0] = str_rsrc [k].value_len - 1 ; + } ; + + /* Turn name string into a pascal string. */ + str_rsrc [k].name [0] = strlen (str_rsrc [k].name) - 1 ; + } ; + + rsrc.data_offset = 0x100 ; + + /* + ** Calculate data length : + ** length of strings, plus the length of the sdML chunk. + */ + rsrc.data_length = 0 ; + for (k = 0 ; k < ARRAY_LEN (str_rsrc) ; k++) + rsrc.data_length += str_rsrc [k].value_len + 4 ; + + rsrc.map_offset = rsrc.data_offset + rsrc.data_length ; + + /* Very start of resource fork. */ + write_int (rsrc.rsrc_data, 0, rsrc.data_offset) ; + write_int (rsrc.rsrc_data, 4, rsrc.map_offset) ; + write_int (rsrc.rsrc_data, 8, rsrc.data_length) ; + + write_char (rsrc.rsrc_data, 0x30, strlen (psf->file.name.c)) ; + write_str (rsrc.rsrc_data, 0x31, psf->file.name.c, strlen (psf->file.name.c)) ; + + write_short (rsrc.rsrc_data, 0x50, 0) ; + write_marker (rsrc.rsrc_data, 0x52, Sd2f_MARKER) ; + write_marker (rsrc.rsrc_data, 0x56, lsf1_MARKER) ; + + /* Very start of resource map. */ + write_int (rsrc.rsrc_data, rsrc.map_offset + 0, rsrc.data_offset) ; + write_int (rsrc.rsrc_data, rsrc.map_offset + 4, rsrc.map_offset) ; + write_int (rsrc.rsrc_data, rsrc.map_offset + 8, rsrc.data_length) ; + + /* These I don't currently understand. */ + if (1) + { write_char (rsrc.rsrc_data, rsrc.map_offset+ 16, 1) ; + /* Next resource map. */ + write_int (rsrc.rsrc_data, rsrc.map_offset + 17, 0x12345678) ; + /* File ref number. */ + write_short (rsrc.rsrc_data, rsrc.map_offset + 21, 0xabcd) ; + /* Fork attributes. */ + write_short (rsrc.rsrc_data, rsrc.map_offset + 23, 0) ; + } ; + + /* Resource type offset. */ + rsrc.type_offset = rsrc.map_offset + 30 ; + write_short (rsrc.rsrc_data, rsrc.map_offset + 24, rsrc.type_offset - rsrc.map_offset - 2) ; + + /* Type index max. */ + rsrc.type_count = 2 ; + write_short (rsrc.rsrc_data, rsrc.map_offset + 28, rsrc.type_count - 1) ; + + rsrc.item_offset = rsrc.type_offset + rsrc.type_count * 8 ; + + rsrc.str_count = ARRAY_LEN (str_rsrc) ; + rsrc.string_offset = rsrc.item_offset + (rsrc.str_count + 1) * 12 - rsrc.map_offset ; + write_short (rsrc.rsrc_data, rsrc.map_offset + 26, rsrc.string_offset) ; + + /* Write 'STR ' resource type. */ + rsrc.str_count = 3 ; + write_marker (rsrc.rsrc_data, rsrc.type_offset, STR_MARKER) ; + write_short (rsrc.rsrc_data, rsrc.type_offset + 4, rsrc.str_count - 1) ; + write_short (rsrc.rsrc_data, rsrc.type_offset + 6, 0x12) ; + + /* Write 'sdML' resource type. */ + write_marker (rsrc.rsrc_data, rsrc.type_offset + 8, sdML_MARKER) ; + write_short (rsrc.rsrc_data, rsrc.type_offset + 12, 0) ; + write_short (rsrc.rsrc_data, rsrc.type_offset + 14, 0x36) ; + + str_offset = rsrc.map_offset + rsrc.string_offset ; + next_str = 0 ; + data_offset = rsrc.data_offset ; + for (k = 0 ; k < ARRAY_LEN (str_rsrc) ; k++) + { write_str (rsrc.rsrc_data, str_offset, str_rsrc [k].name, strlen (str_rsrc [k].name)) ; + + write_short (rsrc.rsrc_data, rsrc.item_offset + k * 12, str_rsrc [k].id) ; + write_short (rsrc.rsrc_data, rsrc.item_offset + k * 12 + 2, next_str) ; + + str_offset += strlen (str_rsrc [k].name) ; + next_str += strlen (str_rsrc [k].name) ; + + write_int (rsrc.rsrc_data, rsrc.item_offset + k * 12 + 4, data_offset - rsrc.data_offset) ; + + write_int (rsrc.rsrc_data, data_offset, str_rsrc [k].value_len) ; + write_str (rsrc.rsrc_data, data_offset + 4, str_rsrc [k].value, str_rsrc [k].value_len) ; + data_offset += 4 + str_rsrc [k].value_len ; + } ; + + /* Finally, calculate and set map length. */ + rsrc.map_length = str_offset - rsrc.map_offset ; + write_int (rsrc.rsrc_data, 12, rsrc.map_length) ; + write_int (rsrc.rsrc_data, rsrc.map_offset + 12, rsrc.map_length) ; + + rsrc.rsrc_len = rsrc.map_offset + rsrc.map_length ; + + psf_fwrite (rsrc.rsrc_data, rsrc.rsrc_len, 1, psf) ; + + psf_use_rsrc (psf, SF_FALSE) ; + + if (psf->error) + return psf->error ; + + return 0 ; +} /* sd2_write_rsrc_fork */ + +/*------------------------------------------------------------------------------ +*/ + +static inline int +read_char (const unsigned char * data, int offset) +{ return data [offset] ; +} /* read_char */ + +static inline int +read_short (const unsigned char * data, int offset) +{ return (data [offset] << 8) + data [offset + 1] ; +} /* read_short */ + +static inline int +read_int (const unsigned char * data, int offset) +{ return (data [offset] << 24) + (data [offset + 1] << 16) + (data [offset + 2] << 8) + data [offset + 3] ; +} /* read_int */ + +static inline int +read_marker (const unsigned char * data, int offset) +{ + if (CPU_IS_BIG_ENDIAN) + return (data [offset] << 24) + (data [offset + 1] << 16) + (data [offset + 2] << 8) + data [offset + 3] ; + else if (CPU_IS_LITTLE_ENDIAN) + return data [offset] + (data [offset + 1] << 8) + (data [offset + 2] << 16) + (data [offset + 3] << 24) ; + else + return 0x666 ; +} /* read_marker */ + +static void +read_str (const unsigned char * data, int offset, char * buffer, int buffer_len) +{ int k ; + + memset (buffer, 0, buffer_len) ; + + for (k = 0 ; k < buffer_len - 1 ; k++) + { if (psf_isprint (data [offset + k]) == 0) + return ; + buffer [k] = data [offset + k] ; + } ; + return ; +} /* read_str */ + +static int +sd2_parse_rsrc_fork (SF_PRIVATE *psf) +{ SD2_RSRC rsrc ; + int k, marker, error = 0 ; + + psf_use_rsrc (psf, SF_TRUE) ; + + memset (&rsrc, 0, sizeof (rsrc)) ; + + rsrc.rsrc_len = psf_get_filelen (psf) ; + psf_log_printf (psf, "Resource length : %d (0x%04X)\n", rsrc.rsrc_len, rsrc.rsrc_len) ; + + if (rsrc.rsrc_len > SIGNED_SIZEOF (psf->header)) + { rsrc.rsrc_data = calloc (1, rsrc.rsrc_len) ; + rsrc.need_to_free_rsrc_data = SF_TRUE ; + } + else + rsrc.rsrc_data = psf->header ; + + /* Read in the whole lot. */ + psf_fread (rsrc.rsrc_data, rsrc.rsrc_len, 1, psf) ; + + /* Reset the header storage because we have changed to the rsrcdes. */ + psf->headindex = psf->headend = rsrc.rsrc_len ; + + rsrc.data_offset = read_int (rsrc.rsrc_data, 0) ; + rsrc.map_offset = read_int (rsrc.rsrc_data, 4) ; + rsrc.data_length = read_int (rsrc.rsrc_data, 8) ; + rsrc.map_length = read_int (rsrc.rsrc_data, 12) ; + + if (rsrc.data_offset == 0x51607 && rsrc.map_offset == 0x20000) + { psf_log_printf (psf, "Trying offset of 0x52 bytes.\n") ; + rsrc.data_offset = read_int (rsrc.rsrc_data, 0x52 + 0) + 0x52 ; + rsrc.map_offset = read_int (rsrc.rsrc_data, 0x52 + 4) + 0x52 ; + rsrc.data_length = read_int (rsrc.rsrc_data, 0x52 + 8) ; + rsrc.map_length = read_int (rsrc.rsrc_data, 0x52 + 12) ; + } ; + + psf_log_printf (psf, " data offset : 0x%04X\n map offset : 0x%04X\n" + " data length : 0x%04X\n map length : 0x%04X\n", + rsrc.data_offset, rsrc.map_offset, rsrc.data_length, rsrc.map_length) ; + + if (rsrc.data_offset > rsrc.rsrc_len) + { psf_log_printf (psf, "Error : rsrc.data_offset (%d, 0x%x) > len\n", rsrc.data_offset, rsrc.data_offset) ; + error = SFE_SD2_BAD_DATA_OFFSET ; + goto parse_rsrc_fork_cleanup ; + } ; + + if (rsrc.map_offset > rsrc.rsrc_len) + { psf_log_printf (psf, "Error : rsrc.map_offset > len\n") ; + error = SFE_SD2_BAD_MAP_OFFSET ; + goto parse_rsrc_fork_cleanup ; + } ; + + if (rsrc.data_length > rsrc.rsrc_len) + { psf_log_printf (psf, "Error : rsrc.data_length > len\n") ; + error = SFE_SD2_BAD_DATA_LENGTH ; + goto parse_rsrc_fork_cleanup ; + } ; + + if (rsrc.map_length > rsrc.rsrc_len) + { psf_log_printf (psf, "Error : rsrc.map_length > len\n") ; + error = SFE_SD2_BAD_MAP_LENGTH ; + goto parse_rsrc_fork_cleanup ; + } ; + + if (rsrc.data_offset + rsrc.data_length != rsrc.map_offset || rsrc.map_offset + rsrc.map_length != rsrc.rsrc_len) + { psf_log_printf (psf, "Error : This does not look like a MacOSX resource fork.\n") ; + error = SFE_SD2_BAD_RSRC ; + goto parse_rsrc_fork_cleanup ; + } ; + + if (rsrc.map_offset + 28 >= rsrc.rsrc_len) + { psf_log_printf (psf, "Bad map offset (%d + 28 > %d).\n", rsrc.map_offset, rsrc.rsrc_len) ; + error = SFE_SD2_BAD_RSRC ; + goto parse_rsrc_fork_cleanup ; + } ; + + rsrc.string_offset = rsrc.map_offset + read_short (rsrc.rsrc_data, rsrc.map_offset + 26) ; + if (rsrc.string_offset > rsrc.rsrc_len) + { psf_log_printf (psf, "Bad string offset (%d).\n", rsrc.string_offset) ; + error = SFE_SD2_BAD_RSRC ; + goto parse_rsrc_fork_cleanup ; + } ; + + rsrc.type_offset = rsrc.map_offset + 30 ; + + rsrc.type_count = read_short (rsrc.rsrc_data, rsrc.map_offset + 28) + 1 ; + if (rsrc.type_count < 1) + { psf_log_printf (psf, "Bad type count.\n") ; + error = SFE_SD2_BAD_RSRC ; + goto parse_rsrc_fork_cleanup ; + } ; + + rsrc.item_offset = rsrc.type_offset + rsrc.type_count * 8 ; + if (rsrc.item_offset < 0 || rsrc.item_offset > rsrc.rsrc_len) + { psf_log_printf (psf, "Bad item offset (%d).\n", rsrc.item_offset) ; + error = SFE_SD2_BAD_RSRC ; + goto parse_rsrc_fork_cleanup ; + } ; + + rsrc.str_index = -1 ; + for (k = 0 ; k < rsrc.type_count ; k ++) + { marker = read_marker (rsrc.rsrc_data, rsrc.type_offset + k * 8) ; + + if (marker == STR_MARKER) + { rsrc.str_index = k ; + rsrc.str_count = read_short (rsrc.rsrc_data, rsrc.type_offset + k * 8 + 4) + 1 ; + error = parse_str_rsrc (psf, &rsrc) ; + goto parse_rsrc_fork_cleanup ; + } ; + } ; + + psf_log_printf (psf, "No 'STR ' resource.\n") ; + error = SFE_SD2_BAD_RSRC ; + +parse_rsrc_fork_cleanup : + + psf_use_rsrc (psf, SF_FALSE) ; + + if (rsrc.need_to_free_rsrc_data) + free (rsrc.rsrc_data) ; + + return error ; +} /* sd2_parse_rsrc_fork */ + +static int +parse_str_rsrc (SF_PRIVATE *psf, SD2_RSRC * rsrc) +{ char name [32], value [32] ; + int k, str_offset, rsrc_id, data_offset = 0, data_len = 0 ; + + psf_log_printf (psf, "Finding parameters :\n") ; + + str_offset = rsrc->string_offset ; + psf_log_printf (psf, " Offset RsrcId dlen slen Value\n") ; + + for (k = 0 ; data_offset + data_len < rsrc->rsrc_len ; k++) + { int slen ; + + slen = read_char (rsrc->rsrc_data, str_offset) ; + read_str (rsrc->rsrc_data, str_offset + 1, name, SF_MIN (SIGNED_SIZEOF (name), slen + 1)) ; + str_offset += slen + 1 ; + + rsrc_id = read_short (rsrc->rsrc_data, rsrc->item_offset + k * 12) ; + + data_offset = rsrc->data_offset + read_int (rsrc->rsrc_data, rsrc->item_offset + k * 12 + 4) ; + if (data_offset < 0 || data_offset > rsrc->rsrc_len) + { psf_log_printf (psf, "Exiting parser on data offset of %d.\n", data_offset) ; + break ; + } ; + + data_len = read_int (rsrc->rsrc_data, data_offset) ; + if (data_len < 0 || data_len > rsrc->rsrc_len) + { psf_log_printf (psf, "Exiting parser on data length of %d.\n", data_len) ; + break ; + } ; + + slen = read_char (rsrc->rsrc_data, data_offset + 4) ; + read_str (rsrc->rsrc_data, data_offset + 5, value, SF_MIN (SIGNED_SIZEOF (value), slen + 1)) ; + + psf_log_printf (psf, " 0x%04x %4d %4d %3d '%s'\n", data_offset, rsrc_id, data_len, slen, value) ; + + if (rsrc_id == 1000 && rsrc->sample_size == 0) + rsrc->sample_size = strtol (value, NULL, 10) ; + else if (rsrc_id == 1001 && rsrc->sample_rate == 0) + rsrc->sample_rate = strtol (value, NULL, 10) ; + else if (rsrc_id == 1002 && rsrc->channels == 0) + rsrc->channels = strtol (value, NULL, 10) ; + } ; + + psf_log_printf (psf, "Found Parameters :\n") ; + psf_log_printf (psf, " sample-size : %d\n", rsrc->sample_size) ; + psf_log_printf (psf, " sample-rate : %d\n", rsrc->sample_rate) ; + psf_log_printf (psf, " channels : %d\n", rsrc->channels) ; + + if (rsrc->sample_rate <= 4 && rsrc->sample_size > 4) + { int temp ; + + psf_log_printf (psf, "Geez!! Looks like sample rate and sample size got switched.\nCorrecting this screw up.\n") ; + temp = rsrc->sample_rate ; + rsrc->sample_rate = rsrc->sample_size ; + rsrc->sample_size = temp ; + } ; + + if (rsrc->sample_rate < 0) + { psf_log_printf (psf, "Bad sample rate (%d)\n", rsrc->sample_rate) ; + return SFE_SD2_BAD_RSRC ; + } ; + + if (rsrc->channels < 0) + { psf_log_printf (psf, "Bad channel count (%d)\n", rsrc->channels) ; + return SFE_SD2_BAD_RSRC ; + } ; + + psf->sf.samplerate = rsrc->sample_rate ; + psf->sf.channels = rsrc->channels ; + psf->bytewidth = rsrc->sample_size ; + + switch (rsrc->sample_size) + { case 1 : + psf->sf.format = SF_FORMAT_SD2 | SF_FORMAT_PCM_S8 ; + break ; + + case 2 : + psf->sf.format = SF_FORMAT_SD2 | SF_FORMAT_PCM_16 ; + break ; + + case 3 : + psf->sf.format = SF_FORMAT_SD2 | SF_FORMAT_PCM_24 ; + break ; + + default : + psf_log_printf (psf, "Bad sample size (%d)\n", rsrc->sample_size) ; + return SFE_SD2_BAD_SAMPLE_SIZE ; + } ; + + psf_log_printf (psf, "ok\n") ; + + return 0 ; +} /* parse_str_rsrc */ +