/* libFLAC - Free Lossless Audio Codec library * Copyright (C) 2000-2009 Josh Coalson * Copyright (C) 2011-2022 Xiph.Org Foundation * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * - Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * - Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * - Neither the name of the Xiph.org Foundation nor the names of its * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifdef HAVE_CONFIG_H # include <config.h> #endif #include <stdio.h> #include <stdlib.h> /* for qsort() */ #include <string.h> /* for memset() */ #include "FLAC/assert.h" #include "FLAC/format.h" #include "share/alloc.h" #include "share/compat.h" #include "private/format.h" #include "private/macros.h" #if (defined GIT_COMMIT_HASH && defined GIT_COMMIT_DATE) # ifdef GIT_COMMIT_TAG FLAC_API const char *FLAC__VERSION_STRING = GIT_COMMIT_TAG; FLAC_API const char *FLAC__VENDOR_STRING = "reference libFLAC " GIT_COMMIT_TAG " " GIT_COMMIT_DATE; # else FLAC_API const char *FLAC__VERSION_STRING = "git-" GIT_COMMIT_HASH " " GIT_COMMIT_DATE; FLAC_API const char *FLAC__VENDOR_STRING = "reference libFLAC git-" GIT_COMMIT_HASH " " GIT_COMMIT_DATE; # endif #else /* PACKAGE_VERSION should come from configure */ FLAC_API const char *FLAC__VERSION_STRING = …; FLAC_API const char *FLAC__VENDOR_STRING = …; #endif FLAC_API const FLAC__byte FLAC__STREAM_SYNC_STRING[4] = …; FLAC_API const uint32_t FLAC__STREAM_SYNC = …; FLAC_API const uint32_t FLAC__STREAM_SYNC_LEN = …; /* bits */ FLAC_API const uint32_t FLAC__STREAM_METADATA_STREAMINFO_MIN_BLOCK_SIZE_LEN = …; /* bits */ FLAC_API const uint32_t FLAC__STREAM_METADATA_STREAMINFO_MAX_BLOCK_SIZE_LEN = …; /* bits */ FLAC_API const uint32_t FLAC__STREAM_METADATA_STREAMINFO_MIN_FRAME_SIZE_LEN = …; /* bits */ FLAC_API const uint32_t FLAC__STREAM_METADATA_STREAMINFO_MAX_FRAME_SIZE_LEN = …; /* bits */ FLAC_API const uint32_t FLAC__STREAM_METADATA_STREAMINFO_SAMPLE_RATE_LEN = …; /* bits */ FLAC_API const uint32_t FLAC__STREAM_METADATA_STREAMINFO_CHANNELS_LEN = …; /* bits */ FLAC_API const uint32_t FLAC__STREAM_METADATA_STREAMINFO_BITS_PER_SAMPLE_LEN = …; /* bits */ FLAC_API const uint32_t FLAC__STREAM_METADATA_STREAMINFO_TOTAL_SAMPLES_LEN = …; /* bits */ FLAC_API const uint32_t FLAC__STREAM_METADATA_STREAMINFO_MD5SUM_LEN = …; /* bits */ FLAC_API const uint32_t FLAC__STREAM_METADATA_APPLICATION_ID_LEN = …; /* bits */ FLAC_API const uint32_t FLAC__STREAM_METADATA_SEEKPOINT_SAMPLE_NUMBER_LEN = …; /* bits */ FLAC_API const uint32_t FLAC__STREAM_METADATA_SEEKPOINT_STREAM_OFFSET_LEN = …; /* bits */ FLAC_API const uint32_t FLAC__STREAM_METADATA_SEEKPOINT_FRAME_SAMPLES_LEN = …; /* bits */ FLAC_API const FLAC__uint64 FLAC__STREAM_METADATA_SEEKPOINT_PLACEHOLDER = …0xffffffffffffffff); FLAC_API const uint32_t FLAC__STREAM_METADATA_VORBIS_COMMENT_ENTRY_LENGTH_LEN = …; /* bits */ FLAC_API const uint32_t FLAC__STREAM_METADATA_VORBIS_COMMENT_NUM_COMMENTS_LEN = …; /* bits */ FLAC_API const uint32_t FLAC__STREAM_METADATA_CUESHEET_INDEX_OFFSET_LEN = …; /* bits */ FLAC_API const uint32_t FLAC__STREAM_METADATA_CUESHEET_INDEX_NUMBER_LEN = …; /* bits */ FLAC_API const uint32_t FLAC__STREAM_METADATA_CUESHEET_INDEX_RESERVED_LEN = …; /* bits */ FLAC_API const uint32_t FLAC__STREAM_METADATA_CUESHEET_TRACK_OFFSET_LEN = …; /* bits */ FLAC_API const uint32_t FLAC__STREAM_METADATA_CUESHEET_TRACK_NUMBER_LEN = …; /* bits */ FLAC_API const uint32_t FLAC__STREAM_METADATA_CUESHEET_TRACK_ISRC_LEN = …; /* bits */ FLAC_API const uint32_t FLAC__STREAM_METADATA_CUESHEET_TRACK_TYPE_LEN = …; /* bit */ FLAC_API const uint32_t FLAC__STREAM_METADATA_CUESHEET_TRACK_PRE_EMPHASIS_LEN = …; /* bit */ FLAC_API const uint32_t FLAC__STREAM_METADATA_CUESHEET_TRACK_RESERVED_LEN = …; /* bits */ FLAC_API const uint32_t FLAC__STREAM_METADATA_CUESHEET_TRACK_NUM_INDICES_LEN = …; /* bits */ FLAC_API const uint32_t FLAC__STREAM_METADATA_CUESHEET_MEDIA_CATALOG_NUMBER_LEN = …; /* bits */ FLAC_API const uint32_t FLAC__STREAM_METADATA_CUESHEET_LEAD_IN_LEN = …; /* bits */ FLAC_API const uint32_t FLAC__STREAM_METADATA_CUESHEET_IS_CD_LEN = …; /* bit */ FLAC_API const uint32_t FLAC__STREAM_METADATA_CUESHEET_RESERVED_LEN = …; /* bits */ FLAC_API const uint32_t FLAC__STREAM_METADATA_CUESHEET_NUM_TRACKS_LEN = …; /* bits */ FLAC_API const uint32_t FLAC__STREAM_METADATA_PICTURE_TYPE_LEN = …; /* bits */ FLAC_API const uint32_t FLAC__STREAM_METADATA_PICTURE_MIME_TYPE_LENGTH_LEN = …; /* bits */ FLAC_API const uint32_t FLAC__STREAM_METADATA_PICTURE_DESCRIPTION_LENGTH_LEN = …; /* bits */ FLAC_API const uint32_t FLAC__STREAM_METADATA_PICTURE_WIDTH_LEN = …; /* bits */ FLAC_API const uint32_t FLAC__STREAM_METADATA_PICTURE_HEIGHT_LEN = …; /* bits */ FLAC_API const uint32_t FLAC__STREAM_METADATA_PICTURE_DEPTH_LEN = …; /* bits */ FLAC_API const uint32_t FLAC__STREAM_METADATA_PICTURE_COLORS_LEN = …; /* bits */ FLAC_API const uint32_t FLAC__STREAM_METADATA_PICTURE_DATA_LENGTH_LEN = …; /* bits */ FLAC_API const uint32_t FLAC__STREAM_METADATA_IS_LAST_LEN = …; /* bits */ FLAC_API const uint32_t FLAC__STREAM_METADATA_TYPE_LEN = …; /* bits */ FLAC_API const uint32_t FLAC__STREAM_METADATA_LENGTH_LEN = …; /* bits */ FLAC_API const uint32_t FLAC__FRAME_HEADER_SYNC = …; FLAC_API const uint32_t FLAC__FRAME_HEADER_SYNC_LEN = …; /* bits */ FLAC_API const uint32_t FLAC__FRAME_HEADER_RESERVED_LEN = …; /* bits */ FLAC_API const uint32_t FLAC__FRAME_HEADER_BLOCKING_STRATEGY_LEN = …; /* bits */ FLAC_API const uint32_t FLAC__FRAME_HEADER_BLOCK_SIZE_LEN = …; /* bits */ FLAC_API const uint32_t FLAC__FRAME_HEADER_SAMPLE_RATE_LEN = …; /* bits */ FLAC_API const uint32_t FLAC__FRAME_HEADER_CHANNEL_ASSIGNMENT_LEN = …; /* bits */ FLAC_API const uint32_t FLAC__FRAME_HEADER_BITS_PER_SAMPLE_LEN = …; /* bits */ FLAC_API const uint32_t FLAC__FRAME_HEADER_ZERO_PAD_LEN = …; /* bits */ FLAC_API const uint32_t FLAC__FRAME_HEADER_CRC_LEN = …; /* bits */ FLAC_API const uint32_t FLAC__FRAME_FOOTER_CRC_LEN = …; /* bits */ FLAC_API const uint32_t FLAC__ENTROPY_CODING_METHOD_TYPE_LEN = …; /* bits */ FLAC_API const uint32_t FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ORDER_LEN = …; /* bits */ FLAC_API const uint32_t FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_PARAMETER_LEN = …; /* bits */ FLAC_API const uint32_t FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2_PARAMETER_LEN = …; /* bits */ FLAC_API const uint32_t FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_RAW_LEN = …; /* bits */ FLAC_API const uint32_t FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ESCAPE_PARAMETER = …; /* == (1<<FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_PARAMETER_LEN)-1 */ FLAC_API const uint32_t FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2_ESCAPE_PARAMETER = …; /* == (1<<FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2_PARAMETER_LEN)-1 */ FLAC_API const char * const FLAC__EntropyCodingMethodTypeString[] = …; FLAC_API const uint32_t FLAC__SUBFRAME_LPC_QLP_COEFF_PRECISION_LEN = …; /* bits */ FLAC_API const uint32_t FLAC__SUBFRAME_LPC_QLP_SHIFT_LEN = …; /* bits */ FLAC_API const uint32_t FLAC__SUBFRAME_ZERO_PAD_LEN = …; /* bits */ FLAC_API const uint32_t FLAC__SUBFRAME_TYPE_LEN = …; /* bits */ FLAC_API const uint32_t FLAC__SUBFRAME_WASTED_BITS_FLAG_LEN = …; /* bits */ FLAC_API const uint32_t FLAC__SUBFRAME_TYPE_CONSTANT_BYTE_ALIGNED_MASK = …; FLAC_API const uint32_t FLAC__SUBFRAME_TYPE_VERBATIM_BYTE_ALIGNED_MASK = …; FLAC_API const uint32_t FLAC__SUBFRAME_TYPE_FIXED_BYTE_ALIGNED_MASK = …; FLAC_API const uint32_t FLAC__SUBFRAME_TYPE_LPC_BYTE_ALIGNED_MASK = …; FLAC_API const char * const FLAC__SubframeTypeString[] = …; FLAC_API const char * const FLAC__ChannelAssignmentString[] = …; FLAC_API const char * const FLAC__FrameNumberTypeString[] = …; FLAC_API const char * const FLAC__MetadataTypeString[] = …; FLAC_API const char * const FLAC__StreamMetadata_Picture_TypeString[] = …; FLAC_API FLAC__bool FLAC__format_sample_rate_is_valid(uint32_t sample_rate) { … } FLAC_API FLAC__bool FLAC__format_blocksize_is_subset(uint32_t blocksize, uint32_t sample_rate) { … } FLAC_API FLAC__bool FLAC__format_sample_rate_is_subset(uint32_t sample_rate) { … } /* @@@@ add to unit tests; it is already indirectly tested by the metadata_object tests */ FLAC_API FLAC__bool FLAC__format_seektable_is_legal(const FLAC__StreamMetadata_SeekTable *seek_table) { … } /* used as the sort predicate for qsort() */ static int seekpoint_compare_(const FLAC__StreamMetadata_SeekPoint *l, const FLAC__StreamMetadata_SeekPoint *r) { … } /* @@@@ add to unit tests; it is already indirectly tested by the metadata_object tests */ FLAC_API uint32_t FLAC__format_seektable_sort(FLAC__StreamMetadata_SeekTable *seek_table) { … } /* * also disallows non-shortest-form encodings, c.f. * http://www.unicode.org/versions/corrigendum1.html * and a more clear explanation at the end of this section: * http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8 */ static uint32_t utf8len_(const FLAC__byte *utf8) { … } FLAC_API FLAC__bool FLAC__format_vorbiscomment_entry_name_is_legal(const char *name) { … } FLAC_API FLAC__bool FLAC__format_vorbiscomment_entry_value_is_legal(const FLAC__byte *value, uint32_t length) { … } FLAC_API FLAC__bool FLAC__format_vorbiscomment_entry_is_legal(const FLAC__byte *entry, uint32_t length) { … } /* @@@@ add to unit tests; it is already indirectly tested by the metadata_object tests */ FLAC_API FLAC__bool FLAC__format_cuesheet_is_legal(const FLAC__StreamMetadata_CueSheet *cue_sheet, FLAC__bool check_cd_da_subset, const char **violation) { … } /* @@@@ add to unit tests; it is already indirectly tested by the metadata_object tests */ FLAC_API FLAC__bool FLAC__format_picture_is_legal(const FLAC__StreamMetadata_Picture *picture, const char **violation) { … } /* * These routines are private to libFLAC */ uint32_t FLAC__format_get_max_rice_partition_order(uint32_t blocksize, uint32_t predictor_order) { … } uint32_t FLAC__format_get_max_rice_partition_order_from_blocksize(uint32_t blocksize) { … } uint32_t FLAC__format_get_max_rice_partition_order_from_blocksize_limited_max_and_predictor_order(uint32_t limit, uint32_t blocksize, uint32_t predictor_order) { … } void FLAC__format_entropy_coding_method_partitioned_rice_contents_init(FLAC__EntropyCodingMethod_PartitionedRiceContents *object) { … } void FLAC__format_entropy_coding_method_partitioned_rice_contents_clear(FLAC__EntropyCodingMethod_PartitionedRiceContents *object) { … } #if defined(_MSC_VER) // silence three MSVC warnings 'result of 32-bit shift implicitly converted to 64 bits (was 64-bit shift intended?)' #pragma warning ( disable : 4334 ) #endif FLAC__bool FLAC__format_entropy_coding_method_partitioned_rice_contents_ensure_size(FLAC__EntropyCodingMethod_PartitionedRiceContents *object, uint32_t max_partition_order) { … } #if defined(_MSC_VER) #pragma warning ( default : 4334 ) #endif
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