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Diffstat (limited to 'src/libFLAC++/metadata.cpp')
| -rw-r--r-- | src/libFLAC++/metadata.cpp | 1745 |
1 files changed, 1745 insertions, 0 deletions
diff --git a/src/libFLAC++/metadata.cpp b/src/libFLAC++/metadata.cpp new file mode 100644 index 0000000..beab110 --- /dev/null +++ b/src/libFLAC++/metadata.cpp @@ -0,0 +1,1745 @@ +/* libFLAC++ - Free Lossless Audio Codec library + * Copyright (C) 2002-2009 Josh Coalson + * Copyright (C) 2011-2023 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. + */ + +#define __STDC_LIMIT_MACROS 1 /* otherwise SIZE_MAX is not defined for c++ */ +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "share/alloc.h" +#include "FLAC++/metadata.h" +#include "FLAC/assert.h" +#include <cstdlib> // for malloc(), free() +#include <cstring> // for memcpy() etc. + +#ifdef _MSC_VER +// warning C4800: 'int' : forcing to bool 'true' or 'false' (performance warning) +#pragma warning ( disable : 4800 ) +#endif + +namespace FLAC { + namespace Metadata { + + // local utility routines + + namespace local { + + Prototype *construct_block(::FLAC__StreamMetadata *object) + { + if (0 == object) + return 0; + + Prototype *ret = 0; + switch(object->type) { + case FLAC__METADATA_TYPE_STREAMINFO: + ret = new StreamInfo(object, /*copy=*/false); + break; + case FLAC__METADATA_TYPE_PADDING: + ret = new Padding(object, /*copy=*/false); + break; + case FLAC__METADATA_TYPE_APPLICATION: + ret = new Application(object, /*copy=*/false); + break; + case FLAC__METADATA_TYPE_SEEKTABLE: + ret = new SeekTable(object, /*copy=*/false); + break; + case FLAC__METADATA_TYPE_VORBIS_COMMENT: + ret = new VorbisComment(object, /*copy=*/false); + break; + case FLAC__METADATA_TYPE_CUESHEET: + ret = new CueSheet(object, /*copy=*/false); + break; + case FLAC__METADATA_TYPE_PICTURE: + ret = new Picture(object, /*copy=*/false); + break; + default: + ret = new Unknown(object, /*copy=*/false); + break; + } + return ret; + } + + } // namespace local + + FLACPP_API Prototype *clone(const Prototype *object) + { + FLAC__ASSERT(0 != object); + + const StreamInfo *streaminfo = dynamic_cast<const StreamInfo *>(object); + const Padding *padding = dynamic_cast<const Padding *>(object); + const Application *application = dynamic_cast<const Application *>(object); + const SeekTable *seektable = dynamic_cast<const SeekTable *>(object); + const VorbisComment *vorbiscomment = dynamic_cast<const VorbisComment *>(object); + const CueSheet *cuesheet = dynamic_cast<const CueSheet *>(object); + const Picture *picture = dynamic_cast<const Picture *>(object); + const Unknown *unknown = dynamic_cast<const Unknown *>(object); + + if(0 != streaminfo) + return new StreamInfo(*streaminfo); + if(0 != padding) + return new Padding(*padding); + if(0 != application) + return new Application(*application); + if(0 != seektable) + return new SeekTable(*seektable); + if(0 != vorbiscomment) + return new VorbisComment(*vorbiscomment); + if(0 != cuesheet) + return new CueSheet(*cuesheet); + if(0 != picture) + return new Picture(*picture); + if(0 != unknown) + return new Unknown(*unknown); + + FLAC__ASSERT(0); + return 0; + } + + // + // Prototype + // + + Prototype::Prototype(const Prototype &object): + object_(::FLAC__metadata_object_clone(object.object_)), + is_reference_(false) + { + FLAC__ASSERT(object.is_valid()); + } + + Prototype::Prototype(const ::FLAC__StreamMetadata &object): + object_(::FLAC__metadata_object_clone(&object)), + is_reference_(false) + { + } + + Prototype::Prototype(const ::FLAC__StreamMetadata *object): + object_(::FLAC__metadata_object_clone(object)), + is_reference_(false) + { + FLAC__ASSERT(0 != object); + } + + Prototype::Prototype(::FLAC__StreamMetadata *object, bool copy): + object_(copy? ::FLAC__metadata_object_clone(object) : object), + is_reference_(false) + { + FLAC__ASSERT(0 != object); + } + + Prototype::~Prototype() + { + clear(); + } + + void Prototype::clear() + { + if(0 != object_ && !is_reference_) + FLAC__metadata_object_delete(object_); + object_ = 0; + } + + Prototype &Prototype::operator=(const Prototype &object) + { + FLAC__ASSERT(object.is_valid()); + clear(); + is_reference_ = false; + object_ = ::FLAC__metadata_object_clone(object.object_); + return *this; + } + + Prototype &Prototype::operator=(const ::FLAC__StreamMetadata &object) + { + clear(); + is_reference_ = false; + object_ = ::FLAC__metadata_object_clone(&object); + return *this; + } + + Prototype &Prototype::operator=(const ::FLAC__StreamMetadata *object) + { + FLAC__ASSERT(0 != object); + clear(); + is_reference_ = false; + object_ = ::FLAC__metadata_object_clone(object); + return *this; + } + + Prototype &Prototype::assign_object(::FLAC__StreamMetadata *object, bool copy) + { + FLAC__ASSERT(0 != object); + clear(); + object_ = (copy? ::FLAC__metadata_object_clone(object) : object); + is_reference_ = false; + return *this; + } + + bool Prototype::get_is_last() const + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(object_->is_last); + } + + FLAC__MetadataType Prototype::get_type() const + { + FLAC__ASSERT(is_valid()); + return object_->type; + } + + uint32_t Prototype::get_length() const + { + FLAC__ASSERT(is_valid()); + return object_->length; + } + + void Prototype::set_is_last(bool value) + { + FLAC__ASSERT(is_valid()); + object_->is_last = value; + } + + + // + // StreamInfo + // + + StreamInfo::StreamInfo(): + Prototype(FLAC__metadata_object_new(FLAC__METADATA_TYPE_STREAMINFO), /*copy=*/false) + { } + + StreamInfo::~StreamInfo() + { } + + uint32_t StreamInfo::get_min_blocksize() const + { + FLAC__ASSERT(is_valid()); + return object_->data.stream_info.min_blocksize; + } + + uint32_t StreamInfo::get_max_blocksize() const + { + FLAC__ASSERT(is_valid()); + return object_->data.stream_info.max_blocksize; + } + + uint32_t StreamInfo::get_min_framesize() const + { + FLAC__ASSERT(is_valid()); + return object_->data.stream_info.min_framesize; + } + + uint32_t StreamInfo::get_max_framesize() const + { + FLAC__ASSERT(is_valid()); + return object_->data.stream_info.max_framesize; + } + + uint32_t StreamInfo::get_sample_rate() const + { + FLAC__ASSERT(is_valid()); + return object_->data.stream_info.sample_rate; + } + + uint32_t StreamInfo::get_channels() const + { + FLAC__ASSERT(is_valid()); + return object_->data.stream_info.channels; + } + + uint32_t StreamInfo::get_bits_per_sample() const + { + FLAC__ASSERT(is_valid()); + return object_->data.stream_info.bits_per_sample; + } + + FLAC__uint64 StreamInfo::get_total_samples() const + { + FLAC__ASSERT(is_valid()); + return object_->data.stream_info.total_samples; + } + + const FLAC__byte *StreamInfo::get_md5sum() const + { + FLAC__ASSERT(is_valid()); + return object_->data.stream_info.md5sum; + } + + void StreamInfo::set_min_blocksize(uint32_t value) + { + FLAC__ASSERT(is_valid()); + FLAC__ASSERT(value >= FLAC__MIN_BLOCK_SIZE); + FLAC__ASSERT(value <= FLAC__MAX_BLOCK_SIZE); + object_->data.stream_info.min_blocksize = value; + } + + void StreamInfo::set_max_blocksize(uint32_t value) + { + FLAC__ASSERT(is_valid()); + FLAC__ASSERT(value >= FLAC__MIN_BLOCK_SIZE); + FLAC__ASSERT(value <= FLAC__MAX_BLOCK_SIZE); + object_->data.stream_info.max_blocksize = value; + } + + void StreamInfo::set_min_framesize(uint32_t value) + { + FLAC__ASSERT(is_valid()); + FLAC__ASSERT(value < (1u << FLAC__STREAM_METADATA_STREAMINFO_MIN_FRAME_SIZE_LEN)); + object_->data.stream_info.min_framesize = value; + } + + void StreamInfo::set_max_framesize(uint32_t value) + { + FLAC__ASSERT(is_valid()); + FLAC__ASSERT(value < (1u << FLAC__STREAM_METADATA_STREAMINFO_MAX_FRAME_SIZE_LEN)); + object_->data.stream_info.max_framesize = value; + } + + void StreamInfo::set_sample_rate(uint32_t value) + { + FLAC__ASSERT(is_valid()); + FLAC__ASSERT(FLAC__format_sample_rate_is_valid(value)); + object_->data.stream_info.sample_rate = value; + } + + void StreamInfo::set_channels(uint32_t value) + { + FLAC__ASSERT(is_valid()); + FLAC__ASSERT(value > 0); + FLAC__ASSERT(value <= FLAC__MAX_CHANNELS); + object_->data.stream_info.channels = value; + } + + void StreamInfo::set_bits_per_sample(uint32_t value) + { + FLAC__ASSERT(is_valid()); + FLAC__ASSERT(value >= FLAC__MIN_BITS_PER_SAMPLE); + FLAC__ASSERT(value <= FLAC__MAX_BITS_PER_SAMPLE); + object_->data.stream_info.bits_per_sample = value; + } + + void StreamInfo::set_total_samples(FLAC__uint64 value) + { + FLAC__ASSERT(is_valid()); + FLAC__ASSERT(value < (((FLAC__uint64)1) << FLAC__STREAM_METADATA_STREAMINFO_TOTAL_SAMPLES_LEN)); + object_->data.stream_info.total_samples = value; + } + + void StreamInfo::set_md5sum(const FLAC__byte value[16]) + { + FLAC__ASSERT(is_valid()); + FLAC__ASSERT(0 != value); + std::memcpy(object_->data.stream_info.md5sum, value, 16); + } + + + // + // Padding + // + + Padding::Padding(): + Prototype(FLAC__metadata_object_new(FLAC__METADATA_TYPE_PADDING), /*copy=*/false) + { } + + Padding::Padding(uint32_t length): + Prototype(FLAC__metadata_object_new(FLAC__METADATA_TYPE_PADDING), /*copy=*/false) + { + set_length(length); + } + + Padding::~Padding() + { } + + void Padding::set_length(uint32_t length) + { + FLAC__ASSERT(is_valid()); + object_->length = length; + } + + + // + // Application + // + + Application::Application(): + Prototype(FLAC__metadata_object_new(FLAC__METADATA_TYPE_APPLICATION), /*copy=*/false) + { } + + Application::~Application() + { } + + const FLAC__byte *Application::get_id() const + { + FLAC__ASSERT(is_valid()); + return object_->data.application.id; + } + + const FLAC__byte *Application::get_data() const + { + FLAC__ASSERT(is_valid()); + return object_->data.application.data; + } + + void Application::set_id(const FLAC__byte value[4]) + { + FLAC__ASSERT(is_valid()); + FLAC__ASSERT(0 != value); + std::memcpy(object_->data.application.id, value, 4); + } + + bool Application::set_data(const FLAC__byte *data, uint32_t length) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__metadata_object_application_set_data(object_, const_cast<FLAC__byte*>(data), length, true)); + } + + bool Application::set_data(FLAC__byte *data, uint32_t length, bool copy) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__metadata_object_application_set_data(object_, data, length, copy)); + } + + + // + // SeekTable + // + + SeekTable::SeekTable(): + Prototype(FLAC__metadata_object_new(FLAC__METADATA_TYPE_SEEKTABLE), /*copy=*/false) + { } + + SeekTable::~SeekTable() + { } + + uint32_t SeekTable::get_num_points() const + { + FLAC__ASSERT(is_valid()); + return object_->data.seek_table.num_points; + } + + ::FLAC__StreamMetadata_SeekPoint SeekTable::get_point(uint32_t indx) const + { + FLAC__ASSERT(is_valid()); + FLAC__ASSERT(indx < object_->data.seek_table.num_points); + return object_->data.seek_table.points[indx]; + } + + bool SeekTable::resize_points(uint32_t new_num_points) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__metadata_object_seektable_resize_points(object_, new_num_points)); + } + + void SeekTable::set_point(uint32_t indx, const ::FLAC__StreamMetadata_SeekPoint &point) + { + FLAC__ASSERT(is_valid()); + FLAC__ASSERT(indx < object_->data.seek_table.num_points); + ::FLAC__metadata_object_seektable_set_point(object_, indx, point); + } + + bool SeekTable::insert_point(uint32_t indx, const ::FLAC__StreamMetadata_SeekPoint &point) + { + FLAC__ASSERT(is_valid()); + FLAC__ASSERT(indx <= object_->data.seek_table.num_points); + return static_cast<bool>(::FLAC__metadata_object_seektable_insert_point(object_, indx, point)); + } + + bool SeekTable::delete_point(uint32_t indx) + { + FLAC__ASSERT(is_valid()); + FLAC__ASSERT(indx < object_->data.seek_table.num_points); + return static_cast<bool>(::FLAC__metadata_object_seektable_delete_point(object_, indx)); + } + + bool SeekTable::is_legal() const + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__metadata_object_seektable_is_legal(object_)); + } + + bool SeekTable::template_append_placeholders(uint32_t num) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__metadata_object_seektable_template_append_placeholders(object_, num)); + } + + bool SeekTable::template_append_point(FLAC__uint64 sample_number) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__metadata_object_seektable_template_append_point(object_, sample_number)); + } + + bool SeekTable::template_append_points(FLAC__uint64 sample_numbers[], uint32_t num) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__metadata_object_seektable_template_append_points(object_, sample_numbers, num)); + } + + bool SeekTable::template_append_spaced_points(uint32_t num, FLAC__uint64 total_samples) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__metadata_object_seektable_template_append_spaced_points(object_, num, total_samples)); + } + + bool SeekTable::template_append_spaced_points_by_samples(uint32_t samples, FLAC__uint64 total_samples) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__metadata_object_seektable_template_append_spaced_points_by_samples(object_, samples, total_samples)); + } + + bool SeekTable::template_sort(bool compact) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__metadata_object_seektable_template_sort(object_, compact)); + } + + + // + // VorbisComment::Entry + // + + VorbisComment::Entry::Entry() : + is_valid_(true), + entry_(), + field_name_(0), + field_name_length_(0), + field_value_(0), + field_value_length_(0) + { + zero(); + } + + VorbisComment::Entry::Entry(const char *field, uint32_t field_length) : + is_valid_(true), + entry_(), + field_name_(0), + field_name_length_(0), + field_value_(0), + field_value_length_(0) + { + zero(); + construct(field, field_length); + } + + VorbisComment::Entry::Entry(const char *field) : + is_valid_(true), + entry_(), + field_name_(0), + field_name_length_(0), + field_value_(0), + field_value_length_(0) + { + zero(); + construct(field); + } + + VorbisComment::Entry::Entry(const char *field_name, const char *field_value, uint32_t field_value_length) : + is_valid_(true), + entry_(), + field_name_(0), + field_name_length_(0), + field_value_(0), + field_value_length_(0) + { + zero(); + construct(field_name, field_value, field_value_length); + } + + VorbisComment::Entry::Entry(const char *field_name, const char *field_value) : + is_valid_(true), + entry_(), + field_name_(0), + field_name_length_(0), + field_value_(0), + field_value_length_(0) + { + zero(); + construct(field_name, field_value); + } + + VorbisComment::Entry::Entry(const Entry &entry) : + is_valid_(true), + entry_(), + field_name_(0), + field_name_length_(0), + field_value_(0), + field_value_length_(0) + { + FLAC__ASSERT(entry.is_valid()); + zero(); + construct(reinterpret_cast<const char *>(entry.entry_.entry), entry.entry_.length); + } + + VorbisComment::Entry &VorbisComment::Entry::operator=(const Entry &entry) + { + FLAC__ASSERT(entry.is_valid()); + clear(); + construct(reinterpret_cast<const char *>(entry.entry_.entry), entry.entry_.length); + return *this; + } + + VorbisComment::Entry::~Entry() + { + clear(); + } + + bool VorbisComment::Entry::is_valid() const + { + return is_valid_; + } + + uint32_t VorbisComment::Entry::get_field_length() const + { + FLAC__ASSERT(is_valid()); + return entry_.length; + } + + uint32_t VorbisComment::Entry::get_field_name_length() const + { + FLAC__ASSERT(is_valid()); + return field_name_length_; + } + + uint32_t VorbisComment::Entry::get_field_value_length() const + { + FLAC__ASSERT(is_valid()); + return field_value_length_; + } + + ::FLAC__StreamMetadata_VorbisComment_Entry VorbisComment::Entry::get_entry() const + { + FLAC__ASSERT(is_valid()); + return entry_; + } + + const char *VorbisComment::Entry::get_field() const + { + FLAC__ASSERT(is_valid()); + return reinterpret_cast<const char *>(entry_.entry); + } + + const char *VorbisComment::Entry::get_field_name() const + { + FLAC__ASSERT(is_valid()); + return field_name_; + } + + const char *VorbisComment::Entry::get_field_value() const + { + FLAC__ASSERT(is_valid()); + return field_value_; + } + + bool VorbisComment::Entry::set_field(const char *field, uint32_t field_length) + { + FLAC__ASSERT(is_valid()); + FLAC__ASSERT(0 != field); + + if(!::FLAC__format_vorbiscomment_entry_is_legal(reinterpret_cast<const ::FLAC__byte*>(field), field_length)) + return is_valid_ = false; + + clear_entry(); + + if(0 == (entry_.entry = static_cast<FLAC__byte*>(safe_malloc_add_2op_(field_length, /*+*/1)))) { + is_valid_ = false; + } + else { + entry_.length = field_length; + std::memcpy(entry_.entry, field, field_length); + entry_.entry[field_length] = '\0'; + (void) parse_field(); + } + + return is_valid_; + } + + bool VorbisComment::Entry::set_field(const char *field) + { + return set_field(field, std::strlen(field)); + } + + bool VorbisComment::Entry::set_field_name(const char *field_name) + { + FLAC__ASSERT(is_valid()); + FLAC__ASSERT(0 != field_name); + + if(!::FLAC__format_vorbiscomment_entry_name_is_legal(field_name)) + return is_valid_ = false; + + clear_field_name(); + + if(0 == (field_name_ = strdup(field_name))) { + is_valid_ = false; + } + else { + field_name_length_ = std::strlen(field_name_); + compose_field(); + } + + return is_valid_; + } + + bool VorbisComment::Entry::set_field_value(const char *field_value, uint32_t field_value_length) + { + FLAC__ASSERT(is_valid()); + FLAC__ASSERT(0 != field_value); + + if(!::FLAC__format_vorbiscomment_entry_value_is_legal(reinterpret_cast<const FLAC__byte*>(field_value), field_value_length)) + return is_valid_ = false; + + clear_field_value(); + + if(0 == (field_value_ = static_cast<char *>(safe_malloc_add_2op_(field_value_length, /*+*/1)))) { + is_valid_ = false; + } + else { + field_value_length_ = field_value_length; + std::memcpy(field_value_, field_value, field_value_length); + field_value_[field_value_length] = '\0'; + compose_field(); + } + + return is_valid_; + } + + bool VorbisComment::Entry::set_field_value(const char *field_value) + { + return set_field_value(field_value, std::strlen(field_value)); + } + + void VorbisComment::Entry::zero() + { + is_valid_ = true; + entry_.length = 0; + entry_.entry = 0; + field_name_ = 0; + field_name_length_ = 0; + field_value_ = 0; + field_value_length_ = 0; + } + + void VorbisComment::Entry::clear() + { + clear_entry(); + clear_field_name(); + clear_field_value(); + is_valid_ = true; + } + + void VorbisComment::Entry::clear_entry() + { + if(0 != entry_.entry) { + std::free(entry_.entry); + entry_.entry = 0; + entry_.length = 0; + } + } + + void VorbisComment::Entry::clear_field_name() + { + if(0 != field_name_) { + std::free(field_name_); + field_name_ = 0; + field_name_length_ = 0; + } + } + + void VorbisComment::Entry::clear_field_value() + { + if(0 != field_value_) { + std::free(field_value_); + field_value_ = 0; + field_value_length_ = 0; + } + } + + void VorbisComment::Entry::construct(const char *field, uint32_t field_length) + { + if(set_field(field, field_length)) + parse_field(); + } + + void VorbisComment::Entry::construct(const char *field) + { + construct(field, std::strlen(field)); + } + + void VorbisComment::Entry::construct(const char *field_name, const char *field_value, uint32_t field_value_length) + { + if(set_field_name(field_name) && set_field_value(field_value, field_value_length)) + compose_field(); + } + + void VorbisComment::Entry::construct(const char *field_name, const char *field_value) + { + construct(field_name, field_value, std::strlen(field_value)); + } + + void VorbisComment::Entry::compose_field() + { + clear_entry(); + + if(0 == (entry_.entry = static_cast<FLAC__byte*>(safe_malloc_add_4op_(field_name_length_, /*+*/1, /*+*/field_value_length_, /*+*/1)))) { + is_valid_ = false; + } + else { + std::memcpy(entry_.entry, field_name_, field_name_length_); + entry_.length += field_name_length_; + std::memcpy(entry_.entry + entry_.length, "=", 1); + entry_.length += 1; + if (field_value_length_ > 0) + std::memcpy(entry_.entry + entry_.length, field_value_, field_value_length_); + entry_.length += field_value_length_; + entry_.entry[entry_.length] = '\0'; + is_valid_ = true; + } + } + + void VorbisComment::Entry::parse_field() + { + clear_field_name(); + clear_field_value(); + + const char *p = static_cast<const char *>(std::memchr(entry_.entry, '=', entry_.length)); + + if(0 == p) + p = reinterpret_cast<const char *>(entry_.entry) + entry_.length; + + field_name_length_ = static_cast<uint32_t>(p - reinterpret_cast<const char *>(entry_.entry)); + if(0 == (field_name_ = static_cast<char *>(safe_malloc_add_2op_(field_name_length_, /*+*/1)))) { // +1 for the trailing \0 + is_valid_ = false; + return; + } + std::memcpy(field_name_, entry_.entry, field_name_length_); + field_name_[field_name_length_] = '\0'; + + if(entry_.length - field_name_length_ == 0) { + field_value_length_ = 0; + if(0 == (field_value_ = static_cast<char *>(safe_malloc_(0)))) { + is_valid_ = false; + return; + } + } + else { + field_value_length_ = entry_.length - field_name_length_ - 1; + if(0 == (field_value_ = static_cast<char *>(safe_malloc_add_2op_(field_value_length_, /*+*/1)))) { // +1 for the trailing \0 + is_valid_ = false; + return; + } + std::memcpy(field_value_, ++p, field_value_length_); + field_value_[field_value_length_] = '\0'; + } + + is_valid_ = true; + } + + + // + // VorbisComment + // + + VorbisComment::VorbisComment(): + Prototype(FLAC__metadata_object_new(FLAC__METADATA_TYPE_VORBIS_COMMENT), /*copy=*/false) + { } + + VorbisComment::~VorbisComment() + { } + + uint32_t VorbisComment::get_num_comments() const + { + FLAC__ASSERT(is_valid()); + return object_->data.vorbis_comment.num_comments; + } + + const FLAC__byte *VorbisComment::get_vendor_string() const + { + FLAC__ASSERT(is_valid()); + return object_->data.vorbis_comment.vendor_string.entry; + } + + VorbisComment::Entry VorbisComment::get_comment(uint32_t indx) const + { + FLAC__ASSERT(is_valid()); + FLAC__ASSERT(indx < object_->data.vorbis_comment.num_comments); + return Entry(reinterpret_cast<const char *>(object_->data.vorbis_comment.comments[indx].entry), object_->data.vorbis_comment.comments[indx].length); + } + + bool VorbisComment::set_vendor_string(const FLAC__byte *string) + { + FLAC__ASSERT(is_valid()); + // vendor_string is a special kind of entry + const ::FLAC__StreamMetadata_VorbisComment_Entry vendor_string = { static_cast<FLAC__uint32>(std::strlen(reinterpret_cast<const char *>(string))), const_cast<FLAC__byte*>(string) }; // we can cheat on const-ness because we make a copy below: + return static_cast<bool>(::FLAC__metadata_object_vorbiscomment_set_vendor_string(object_, vendor_string, /*copy=*/true)); + } + + bool VorbisComment::resize_comments(uint32_t new_num_comments) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__metadata_object_vorbiscomment_resize_comments(object_, new_num_comments)); + } + + bool VorbisComment::set_comment(uint32_t indx, const VorbisComment::Entry &entry) + { + FLAC__ASSERT(is_valid()); + FLAC__ASSERT(indx < object_->data.vorbis_comment.num_comments); + return static_cast<bool>(::FLAC__metadata_object_vorbiscomment_set_comment(object_, indx, entry.get_entry(), /*copy=*/true)); + } + + bool VorbisComment::insert_comment(uint32_t indx, const VorbisComment::Entry &entry) + { + FLAC__ASSERT(is_valid()); + FLAC__ASSERT(indx <= object_->data.vorbis_comment.num_comments); + return static_cast<bool>(::FLAC__metadata_object_vorbiscomment_insert_comment(object_, indx, entry.get_entry(), /*copy=*/true)); + } + + bool VorbisComment::append_comment(const VorbisComment::Entry &entry) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__metadata_object_vorbiscomment_append_comment(object_, entry.get_entry(), /*copy=*/true)); + } + + bool VorbisComment::replace_comment(const VorbisComment::Entry &entry, bool all) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__metadata_object_vorbiscomment_replace_comment(object_, entry.get_entry(), static_cast<FLAC__bool>(all), /*copy=*/true)); + } + + bool VorbisComment::delete_comment(uint32_t indx) + { + FLAC__ASSERT(is_valid()); + FLAC__ASSERT(indx < object_->data.vorbis_comment.num_comments); + return static_cast<bool>(::FLAC__metadata_object_vorbiscomment_delete_comment(object_, indx)); + } + + int VorbisComment::find_entry_from(uint32_t offset, const char *field_name) + { + FLAC__ASSERT(is_valid()); + return ::FLAC__metadata_object_vorbiscomment_find_entry_from(object_, offset, field_name); + } + + int VorbisComment::remove_entry_matching(const char *field_name) + { + FLAC__ASSERT(is_valid()); + return ::FLAC__metadata_object_vorbiscomment_remove_entry_matching(object_, field_name); + } + + int VorbisComment::remove_entries_matching(const char *field_name) + { + FLAC__ASSERT(is_valid()); + return ::FLAC__metadata_object_vorbiscomment_remove_entries_matching(object_, field_name); + } + + + // + // CueSheet::Track + // + + CueSheet::Track::Track(): + object_(::FLAC__metadata_object_cuesheet_track_new()) + { } + + CueSheet::Track::Track(const ::FLAC__StreamMetadata_CueSheet_Track *track): + object_(::FLAC__metadata_object_cuesheet_track_clone(track)) + { } + + CueSheet::Track::Track(const Track &track): + object_(::FLAC__metadata_object_cuesheet_track_clone(track.object_)) + { } + + CueSheet::Track &CueSheet::Track::operator=(const Track &track) + { + if(0 != object_) + ::FLAC__metadata_object_cuesheet_track_delete(object_); + object_ = ::FLAC__metadata_object_cuesheet_track_clone(track.object_); + return *this; + } + + CueSheet::Track::~Track() + { + if(0 != object_) + ::FLAC__metadata_object_cuesheet_track_delete(object_); + } + + bool CueSheet::Track::is_valid() const + { + return(0 != object_); + } + + ::FLAC__StreamMetadata_CueSheet_Index CueSheet::Track::get_index(uint32_t i) const + { + FLAC__ASSERT(is_valid()); + FLAC__ASSERT(i < object_->num_indices); + return object_->indices[i]; + } + + void CueSheet::Track::set_isrc(const char value[12]) + { + FLAC__ASSERT(is_valid()); + FLAC__ASSERT(0 != value); + std::memcpy(object_->isrc, value, 12); + object_->isrc[12] = '\0'; + } + + void CueSheet::Track::set_type(uint32_t value) + { + FLAC__ASSERT(is_valid()); + FLAC__ASSERT(value <= 1); + object_->type = value; + } + + void CueSheet::Track::set_index(uint32_t i, const ::FLAC__StreamMetadata_CueSheet_Index &indx) + { + FLAC__ASSERT(is_valid()); + FLAC__ASSERT(i < object_->num_indices); + object_->indices[i] = indx; + } + + + // + // CueSheet + // + + CueSheet::CueSheet(): + Prototype(FLAC__metadata_object_new(FLAC__METADATA_TYPE_CUESHEET), /*copy=*/false) + { } + + CueSheet::~CueSheet() + { } + + const char *CueSheet::get_media_catalog_number() const + { + FLAC__ASSERT(is_valid()); + return object_->data.cue_sheet.media_catalog_number; + } + + FLAC__uint64 CueSheet::get_lead_in() const + { + FLAC__ASSERT(is_valid()); + return object_->data.cue_sheet.lead_in; + } + + bool CueSheet::get_is_cd() const + { + FLAC__ASSERT(is_valid()); + return object_->data.cue_sheet.is_cd? true : false; + } + + uint32_t CueSheet::get_num_tracks() const + { + FLAC__ASSERT(is_valid()); + return object_->data.cue_sheet.num_tracks; + } + + CueSheet::Track CueSheet::get_track(uint32_t i) const + { + FLAC__ASSERT(is_valid()); + FLAC__ASSERT(i < object_->data.cue_sheet.num_tracks); + return Track(object_->data.cue_sheet.tracks + i); + } + + void CueSheet::set_media_catalog_number(const char value[128]) + { + FLAC__ASSERT(is_valid()); + FLAC__ASSERT(0 != value); + std::memcpy(object_->data.cue_sheet.media_catalog_number, value, 128); + object_->data.cue_sheet.media_catalog_number[128] = '\0'; + } + + void CueSheet::set_lead_in(FLAC__uint64 value) + { + FLAC__ASSERT(is_valid()); + object_->data.cue_sheet.lead_in = value; + } + + void CueSheet::set_is_cd(bool value) + { + FLAC__ASSERT(is_valid()); + object_->data.cue_sheet.is_cd = value; + } + + void CueSheet::set_index(uint32_t track_num, uint32_t index_num, const ::FLAC__StreamMetadata_CueSheet_Index &indx) + { + FLAC__ASSERT(is_valid()); + FLAC__ASSERT(track_num < object_->data.cue_sheet.num_tracks); + FLAC__ASSERT(index_num < object_->data.cue_sheet.tracks[track_num].num_indices); + object_->data.cue_sheet.tracks[track_num].indices[index_num] = indx; + } + + bool CueSheet::resize_indices(uint32_t track_num, uint32_t new_num_indices) + { + FLAC__ASSERT(is_valid()); + FLAC__ASSERT(track_num < object_->data.cue_sheet.num_tracks); + return static_cast<bool>(::FLAC__metadata_object_cuesheet_track_resize_indices(object_, track_num, new_num_indices)); + } + + bool CueSheet::insert_index(uint32_t track_num, uint32_t index_num, const ::FLAC__StreamMetadata_CueSheet_Index &indx) + { + FLAC__ASSERT(is_valid()); + FLAC__ASSERT(track_num < object_->data.cue_sheet.num_tracks); + FLAC__ASSERT(index_num <= object_->data.cue_sheet.tracks[track_num].num_indices); + return static_cast<bool>(::FLAC__metadata_object_cuesheet_track_insert_index(object_, track_num, index_num, indx)); + } + + bool CueSheet::insert_blank_index(uint32_t track_num, uint32_t index_num) + { + FLAC__ASSERT(is_valid()); + FLAC__ASSERT(track_num < object_->data.cue_sheet.num_tracks); + FLAC__ASSERT(index_num <= object_->data.cue_sheet.tracks[track_num].num_indices); + return static_cast<bool>(::FLAC__metadata_object_cuesheet_track_insert_blank_index(object_, track_num, index_num)); + } + + bool CueSheet::delete_index(uint32_t track_num, uint32_t index_num) + { + FLAC__ASSERT(is_valid()); + FLAC__ASSERT(track_num < object_->data.cue_sheet.num_tracks); + FLAC__ASSERT(index_num < object_->data.cue_sheet.tracks[track_num].num_indices); + return static_cast<bool>(::FLAC__metadata_object_cuesheet_track_delete_index(object_, track_num, index_num)); + } + + bool CueSheet::resize_tracks(uint32_t new_num_tracks) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__metadata_object_cuesheet_resize_tracks(object_, new_num_tracks)); + } + + bool CueSheet::set_track(uint32_t i, const CueSheet::Track &track) + { + FLAC__ASSERT(is_valid()); + FLAC__ASSERT(i < object_->data.cue_sheet.num_tracks); + // We can safely const_cast since copy=true + return static_cast<bool>(::FLAC__metadata_object_cuesheet_set_track(object_, i, const_cast< ::FLAC__StreamMetadata_CueSheet_Track*>(track.get_track()), /*copy=*/true)); + } + + bool CueSheet::insert_track(uint32_t i, const CueSheet::Track &track) + { + FLAC__ASSERT(is_valid()); + FLAC__ASSERT(i <= object_->data.cue_sheet.num_tracks); + // We can safely const_cast since copy=true + return static_cast<bool>(::FLAC__metadata_object_cuesheet_insert_track(object_, i, const_cast< ::FLAC__StreamMetadata_CueSheet_Track*>(track.get_track()), /*copy=*/true)); + } + + bool CueSheet::insert_blank_track(uint32_t i) + { + FLAC__ASSERT(is_valid()); + FLAC__ASSERT(i <= object_->data.cue_sheet.num_tracks); + return static_cast<bool>(::FLAC__metadata_object_cuesheet_insert_blank_track(object_, i)); + } + + bool CueSheet::delete_track(uint32_t i) + { + FLAC__ASSERT(is_valid()); + FLAC__ASSERT(i < object_->data.cue_sheet.num_tracks); + return static_cast<bool>(::FLAC__metadata_object_cuesheet_delete_track(object_, i)); + } + + bool CueSheet::is_legal(bool check_cd_da_subset, const char **violation) const + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__metadata_object_cuesheet_is_legal(object_, check_cd_da_subset, violation)); + } + + FLAC__uint32 CueSheet::calculate_cddb_id() const + { + FLAC__ASSERT(is_valid()); + return ::FLAC__metadata_object_cuesheet_calculate_cddb_id(object_); + } + + + // + // Picture + // + + Picture::Picture(): + Prototype(FLAC__metadata_object_new(FLAC__METADATA_TYPE_PICTURE), /*copy=*/false) + { } + + Picture::~Picture() + { } + + ::FLAC__StreamMetadata_Picture_Type Picture::get_type() const + { + FLAC__ASSERT(is_valid()); + return object_->data.picture.type; + } + + const char *Picture::get_mime_type() const + { + FLAC__ASSERT(is_valid()); + return object_->data.picture.mime_type; + } + + const FLAC__byte *Picture::get_description() const + { + FLAC__ASSERT(is_valid()); + return object_->data.picture.description; + } + + FLAC__uint32 Picture::get_width() const + { + FLAC__ASSERT(is_valid()); + return object_->data.picture.width; + } + + FLAC__uint32 Picture::get_height() const + { + FLAC__ASSERT(is_valid()); + return object_->data.picture.height; + } + + FLAC__uint32 Picture::get_depth() const + { + FLAC__ASSERT(is_valid()); + return object_->data.picture.depth; + } + + FLAC__uint32 Picture::get_colors() const + { + FLAC__ASSERT(is_valid()); + return object_->data.picture.colors; + } + + FLAC__uint32 Picture::get_data_length() const + { + FLAC__ASSERT(is_valid()); + return object_->data.picture.data_length; + } + + const FLAC__byte *Picture::get_data() const + { + FLAC__ASSERT(is_valid()); + return object_->data.picture.data; + } + + void Picture::set_type(::FLAC__StreamMetadata_Picture_Type type) + { + FLAC__ASSERT(is_valid()); + object_->data.picture.type = type; + } + + bool Picture::set_mime_type(const char *string) + { + FLAC__ASSERT(is_valid()); + // We can safely const_cast since copy=true + return static_cast<bool>(::FLAC__metadata_object_picture_set_mime_type(object_, const_cast<char*>(string), /*copy=*/true)); + } + + bool Picture::set_description(const FLAC__byte *string) + { + FLAC__ASSERT(is_valid()); + // We can safely const_cast since copy=true + return static_cast<bool>(::FLAC__metadata_object_picture_set_description(object_, const_cast<FLAC__byte*>(string), /*copy=*/true)); + } + + void Picture::set_width(FLAC__uint32 value) const + { + FLAC__ASSERT(is_valid()); + object_->data.picture.width = value; + } + + void Picture::set_height(FLAC__uint32 value) const + { + FLAC__ASSERT(is_valid()); + object_->data.picture.height = value; + } + + void Picture::set_depth(FLAC__uint32 value) const + { + FLAC__ASSERT(is_valid()); + object_->data.picture.depth = value; + } + + void Picture::set_colors(FLAC__uint32 value) const + { + FLAC__ASSERT(is_valid()); + object_->data.picture.colors = value; + } + + bool Picture::set_data(const FLAC__byte *data, FLAC__uint32 data_length) + { + FLAC__ASSERT(is_valid()); + // We can safely const_cast since copy=true + return static_cast<bool>(::FLAC__metadata_object_picture_set_data(object_, const_cast<FLAC__byte*>(data), data_length, /*copy=*/true)); + } + + bool Picture::is_legal(const char **violation) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__metadata_object_picture_is_legal(object_, violation)); + } + + + // + // Unknown + // + + Unknown::Unknown(): + Prototype(FLAC__metadata_object_new(FLAC__METADATA_TYPE_APPLICATION), /*copy=*/false) + { } + + Unknown::~Unknown() + { } + + const FLAC__byte *Unknown::get_data() const + { + FLAC__ASSERT(is_valid()); + return object_->data.application.data; + } + + bool Unknown::set_data(const FLAC__byte *data, uint32_t length) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__metadata_object_application_set_data(object_, const_cast<FLAC__byte*>(data), length, true)); + } + + bool Unknown::set_data(FLAC__byte *data, uint32_t length, bool copy) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__metadata_object_application_set_data(object_, data, length, copy)); + } + + + // ============================================================ + // + // Level 0 + // + // ============================================================ + + FLACPP_API bool get_streaminfo(const char *filename, StreamInfo &streaminfo) + { + FLAC__ASSERT(0 != filename); + + ::FLAC__StreamMetadata object; + + if(::FLAC__metadata_get_streaminfo(filename, &object)) { + streaminfo = object; + return true; + } + else + return false; + } + + FLACPP_API bool get_tags(const char *filename, VorbisComment *&tags) + { + FLAC__ASSERT(0 != filename); + + ::FLAC__StreamMetadata *object; + + tags = 0; + + if(::FLAC__metadata_get_tags(filename, &object)) { + tags = new VorbisComment(object, /*copy=*/false); + return true; + } + else + return false; + } + + FLACPP_API bool get_tags(const char *filename, VorbisComment &tags) + { + FLAC__ASSERT(0 != filename); + + ::FLAC__StreamMetadata *object; + + if(::FLAC__metadata_get_tags(filename, &object)) { + tags.assign(object, /*copy=*/false); + return true; + } + else + return false; + } + + FLACPP_API bool get_cuesheet(const char *filename, CueSheet *&cuesheet) + { + FLAC__ASSERT(0 != filename); + + ::FLAC__StreamMetadata *object; + + cuesheet = 0; + + if(::FLAC__metadata_get_cuesheet(filename, &object)) { + cuesheet = new CueSheet(object, /*copy=*/false); + return true; + } + else + return false; + } + + FLACPP_API bool get_cuesheet(const char *filename, CueSheet &cuesheet) + { + FLAC__ASSERT(0 != filename); + + ::FLAC__StreamMetadata *object; + + if(::FLAC__metadata_get_cuesheet(filename, &object)) { + cuesheet.assign(object, /*copy=*/false); + return true; + } + else + return false; + } + + FLACPP_API bool get_picture(const char *filename, Picture *&picture, ::FLAC__StreamMetadata_Picture_Type type, const char *mime_type, const FLAC__byte *description, uint32_t max_width, uint32_t max_height, uint32_t max_depth, uint32_t max_colors) + { + FLAC__ASSERT(0 != filename); + + ::FLAC__StreamMetadata *object; + + picture = 0; + + if(::FLAC__metadata_get_picture(filename, &object, type, mime_type, description, max_width, max_height, max_depth, max_colors)) { + picture = new Picture(object, /*copy=*/false); + return true; + } + else + return false; + } + + FLACPP_API bool get_picture(const char *filename, Picture &picture, ::FLAC__StreamMetadata_Picture_Type type, const char *mime_type, const FLAC__byte *description, uint32_t max_width, uint32_t max_height, uint32_t max_depth, uint32_t max_colors) + { + FLAC__ASSERT(0 != filename); + + ::FLAC__StreamMetadata *object; + + if(::FLAC__metadata_get_picture(filename, &object, type, mime_type, description, max_width, max_height, max_depth, max_colors)) { + picture.assign(object, /*copy=*/false); + return true; + } + else + return false; + } + + + // ============================================================ + // + // Level 1 + // + // ============================================================ + + SimpleIterator::SimpleIterator(): + iterator_(::FLAC__metadata_simple_iterator_new()) + { } + + SimpleIterator::~SimpleIterator() + { + clear(); + } + + void SimpleIterator::clear() + { + if(0 != iterator_) + FLAC__metadata_simple_iterator_delete(iterator_); + iterator_ = 0; + } + + bool SimpleIterator::init(const char *filename, bool read_only, bool preserve_file_stats) + { + FLAC__ASSERT(0 != filename); + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__metadata_simple_iterator_init(iterator_, filename, read_only, preserve_file_stats)); + } + + bool SimpleIterator::is_valid() const + { + return 0 != iterator_; + } + + SimpleIterator::Status SimpleIterator::status() + { + FLAC__ASSERT(is_valid()); + return Status(::FLAC__metadata_simple_iterator_status(iterator_)); + } + + bool SimpleIterator::is_writable() const + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__metadata_simple_iterator_is_writable(iterator_)); + } + + bool SimpleIterator::next() + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__metadata_simple_iterator_next(iterator_)); + } + + bool SimpleIterator::prev() + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__metadata_simple_iterator_prev(iterator_)); + } + + //@@@@ add to tests + bool SimpleIterator::is_last() const + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__metadata_simple_iterator_is_last(iterator_)); + } + + //@@@@ add to tests + off_t SimpleIterator::get_block_offset() const + { + FLAC__ASSERT(is_valid()); + return ::FLAC__metadata_simple_iterator_get_block_offset(iterator_); + } + + ::FLAC__MetadataType SimpleIterator::get_block_type() const + { + FLAC__ASSERT(is_valid()); + return ::FLAC__metadata_simple_iterator_get_block_type(iterator_); + } + + //@@@@ add to tests + uint32_t SimpleIterator::get_block_length() const + { + FLAC__ASSERT(is_valid()); + return ::FLAC__metadata_simple_iterator_get_block_length(iterator_); + } + + //@@@@ add to tests + bool SimpleIterator::get_application_id(FLAC__byte *id) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__metadata_simple_iterator_get_application_id(iterator_, id)); + } + + Prototype *SimpleIterator::get_block() + { + FLAC__ASSERT(is_valid()); + return local::construct_block(::FLAC__metadata_simple_iterator_get_block(iterator_)); + } + + bool SimpleIterator::set_block(Prototype *block, bool use_padding) + { + FLAC__ASSERT(0 != block); + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__metadata_simple_iterator_set_block(iterator_, block->object_, use_padding)); + } + + bool SimpleIterator::insert_block_after(Prototype *block, bool use_padding) + { + FLAC__ASSERT(0 != block); + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__metadata_simple_iterator_insert_block_after(iterator_, block->object_, use_padding)); + } + + bool SimpleIterator::delete_block(bool use_padding) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__metadata_simple_iterator_delete_block(iterator_, use_padding)); + } + + + // ============================================================ + // + // Level 2 + // + // ============================================================ + + Chain::Chain(): + chain_(::FLAC__metadata_chain_new()) + { } + + Chain::~Chain() + { + clear(); + } + + void Chain::clear() + { + if(0 != chain_) + FLAC__metadata_chain_delete(chain_); + chain_ = 0; + } + + bool Chain::is_valid() const + { + return 0 != chain_; + } + + Chain::Status Chain::status() + { + FLAC__ASSERT(is_valid()); + return Status(::FLAC__metadata_chain_status(chain_)); + } + + bool Chain::read(const char *filename, bool is_ogg) + { + FLAC__ASSERT(0 != filename); + FLAC__ASSERT(is_valid()); + return is_ogg? + static_cast<bool>(::FLAC__metadata_chain_read_ogg(chain_, filename)) : + static_cast<bool>(::FLAC__metadata_chain_read(chain_, filename)) + ; + } + + bool Chain::read(FLAC__IOHandle handle, ::FLAC__IOCallbacks callbacks, bool is_ogg) + { + FLAC__ASSERT(is_valid()); + return is_ogg? + static_cast<bool>(::FLAC__metadata_chain_read_ogg_with_callbacks(chain_, handle, callbacks)) : + static_cast<bool>(::FLAC__metadata_chain_read_with_callbacks(chain_, handle, callbacks)) + ; + } + + bool Chain::check_if_tempfile_needed(bool use_padding) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__metadata_chain_check_if_tempfile_needed(chain_, use_padding)); + } + + bool Chain::write(bool use_padding, bool preserve_file_stats) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__metadata_chain_write(chain_, use_padding, preserve_file_stats)); + } + + bool Chain::write(bool use_padding, ::FLAC__IOHandle handle, ::FLAC__IOCallbacks callbacks) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__metadata_chain_write_with_callbacks(chain_, use_padding, handle, callbacks)); + } + + bool Chain::write(bool use_padding, ::FLAC__IOHandle handle, ::FLAC__IOCallbacks callbacks, ::FLAC__IOHandle temp_handle, ::FLAC__IOCallbacks temp_callbacks) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__metadata_chain_write_with_callbacks_and_tempfile(chain_, use_padding, handle, callbacks, temp_handle, temp_callbacks)); + } + + void Chain::merge_padding() + { + FLAC__ASSERT(is_valid()); + ::FLAC__metadata_chain_merge_padding(chain_); + } + + void Chain::sort_padding() + { + FLAC__ASSERT(is_valid()); + ::FLAC__metadata_chain_sort_padding(chain_); + } + + + Iterator::Iterator(): + iterator_(::FLAC__metadata_iterator_new()) + { } + + Iterator::~Iterator() + { + clear(); + } + + void Iterator::clear() + { + if(0 != iterator_) + FLAC__metadata_iterator_delete(iterator_); + iterator_ = 0; + } + + bool Iterator::is_valid() const + { + return 0 != iterator_; + } + + void Iterator::init(Chain &chain) + { + FLAC__ASSERT(is_valid()); + FLAC__ASSERT(chain.is_valid()); + ::FLAC__metadata_iterator_init(iterator_, chain.chain_); + } + + bool Iterator::next() + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__metadata_iterator_next(iterator_)); + } + + bool Iterator::prev() + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__metadata_iterator_prev(iterator_)); + } + + ::FLAC__MetadataType Iterator::get_block_type() const + { + FLAC__ASSERT(is_valid()); + return ::FLAC__metadata_iterator_get_block_type(iterator_); + } + + Prototype *Iterator::get_block() + { + FLAC__ASSERT(is_valid()); + Prototype *block = local::construct_block(::FLAC__metadata_iterator_get_block(iterator_)); + if(0 != block) + block->set_reference(true); + return block; + } + + bool Iterator::set_block(Prototype *block) + { + FLAC__ASSERT(0 != block); + FLAC__ASSERT(is_valid()); + bool ret = static_cast<bool>(::FLAC__metadata_iterator_set_block(iterator_, block->object_)); + if(ret) { + block->set_reference(true); + delete block; + } + return ret; + } + + bool Iterator::delete_block(bool replace_with_padding) + { + FLAC__ASSERT(is_valid()); + return static_cast<bool>(::FLAC__metadata_iterator_delete_block(iterator_, replace_with_padding)); + } + + bool Iterator::insert_block_before(Prototype *block) + { + FLAC__ASSERT(0 != block); + FLAC__ASSERT(is_valid()); + bool ret = static_cast<bool>(::FLAC__metadata_iterator_insert_block_before(iterator_, block->object_)); + if(ret) { + block->set_reference(true); + delete block; + } + return ret; + } + + bool Iterator::insert_block_after(Prototype *block) + { + FLAC__ASSERT(0 != block); + FLAC__ASSERT(is_valid()); + bool ret = static_cast<bool>(::FLAC__metadata_iterator_insert_block_after(iterator_, block->object_)); + if(ret) { + block->set_reference(true); + delete block; + } + return ret; + } + + } // namespace Metadata +} // namespace FLAC |