| /* libFLAC++ - Free Lossless Audio Codec library |
| * Copyright (C) 2002-2009 Josh Coalson |
| * Copyright (C) 2011-2014 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 <stdlib.h> // for malloc(), free() |
| #include <string.h> // 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) |
| { |
| 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; |
| } |
| |
| } |
| |
| 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); |
| else if(0 != padding) |
| return new Padding(*padding); |
| else if(0 != application) |
| return new Application(*application); |
| else if(0 != seektable) |
| return new SeekTable(*seektable); |
| else if(0 != vorbiscomment) |
| return new VorbisComment(*vorbiscomment); |
| else if(0 != cuesheet) |
| return new CueSheet(*cuesheet); |
| else if(0 != picture) |
| return new Picture(*picture); |
| else if(0 != unknown) |
| return new Unknown(*unknown); |
| else { |
| 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 (bool)object_->is_last; |
| } |
| |
| FLAC__MetadataType Prototype::get_type() const |
| { |
| FLAC__ASSERT(is_valid()); |
| return object_->type; |
| } |
| |
| unsigned 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() |
| { } |
| |
| unsigned StreamInfo::get_min_blocksize() const |
| { |
| FLAC__ASSERT(is_valid()); |
| return object_->data.stream_info.min_blocksize; |
| } |
| |
| unsigned StreamInfo::get_max_blocksize() const |
| { |
| FLAC__ASSERT(is_valid()); |
| return object_->data.stream_info.max_blocksize; |
| } |
| |
| unsigned StreamInfo::get_min_framesize() const |
| { |
| FLAC__ASSERT(is_valid()); |
| return object_->data.stream_info.min_framesize; |
| } |
| |
| unsigned StreamInfo::get_max_framesize() const |
| { |
| FLAC__ASSERT(is_valid()); |
| return object_->data.stream_info.max_framesize; |
| } |
| |
| unsigned StreamInfo::get_sample_rate() const |
| { |
| FLAC__ASSERT(is_valid()); |
| return object_->data.stream_info.sample_rate; |
| } |
| |
| unsigned StreamInfo::get_channels() const |
| { |
| FLAC__ASSERT(is_valid()); |
| return object_->data.stream_info.channels; |
| } |
| |
| unsigned 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(unsigned 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(unsigned 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(unsigned 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(unsigned 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(unsigned 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(unsigned 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(unsigned 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); |
| memcpy(object_->data.stream_info.md5sum, value, 16); |
| } |
| |
| |
| // |
| // Padding |
| // |
| |
| Padding::Padding(): |
| Prototype(FLAC__metadata_object_new(FLAC__METADATA_TYPE_PADDING), /*copy=*/false) |
| { } |
| |
| Padding::Padding(unsigned length): |
| Prototype(FLAC__metadata_object_new(FLAC__METADATA_TYPE_PADDING), /*copy=*/false) |
| { |
| set_length(length); |
| } |
| |
| Padding::~Padding() |
| { } |
| |
| void Padding::set_length(unsigned 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); |
| memcpy(object_->data.application.id, value, 4); |
| } |
| |
| bool Application::set_data(const FLAC__byte *data, unsigned length) |
| { |
| FLAC__ASSERT(is_valid()); |
| return (bool)::FLAC__metadata_object_application_set_data(object_, (FLAC__byte*)data, length, true); |
| } |
| |
| bool Application::set_data(FLAC__byte *data, unsigned length, bool copy) |
| { |
| FLAC__ASSERT(is_valid()); |
| return (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() |
| { } |
| |
| unsigned SeekTable::get_num_points() const |
| { |
| FLAC__ASSERT(is_valid()); |
| return object_->data.seek_table.num_points; |
| } |
| |
| ::FLAC__StreamMetadata_SeekPoint SeekTable::get_point(unsigned 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(unsigned new_num_points) |
| { |
| FLAC__ASSERT(is_valid()); |
| return (bool)::FLAC__metadata_object_seektable_resize_points(object_, new_num_points); |
| } |
| |
| void SeekTable::set_point(unsigned 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(unsigned indx, const ::FLAC__StreamMetadata_SeekPoint &point) |
| { |
| FLAC__ASSERT(is_valid()); |
| FLAC__ASSERT(indx <= object_->data.seek_table.num_points); |
| return (bool)::FLAC__metadata_object_seektable_insert_point(object_, indx, point); |
| } |
| |
| bool SeekTable::delete_point(unsigned indx) |
| { |
| FLAC__ASSERT(is_valid()); |
| FLAC__ASSERT(indx < object_->data.seek_table.num_points); |
| return (bool)::FLAC__metadata_object_seektable_delete_point(object_, indx); |
| } |
| |
| bool SeekTable::is_legal() const |
| { |
| FLAC__ASSERT(is_valid()); |
| return (bool)::FLAC__metadata_object_seektable_is_legal(object_); |
| } |
| |
| bool SeekTable::template_append_placeholders(unsigned num) |
| { |
| FLAC__ASSERT(is_valid()); |
| return (bool)::FLAC__metadata_object_seektable_template_append_placeholders(object_, num); |
| } |
| |
| bool SeekTable::template_append_point(FLAC__uint64 sample_number) |
| { |
| FLAC__ASSERT(is_valid()); |
| return (bool)::FLAC__metadata_object_seektable_template_append_point(object_, sample_number); |
| } |
| |
| bool SeekTable::template_append_points(FLAC__uint64 sample_numbers[], unsigned num) |
| { |
| FLAC__ASSERT(is_valid()); |
| return (bool)::FLAC__metadata_object_seektable_template_append_points(object_, sample_numbers, num); |
| } |
| |
| bool SeekTable::template_append_spaced_points(unsigned num, FLAC__uint64 total_samples) |
| { |
| FLAC__ASSERT(is_valid()); |
| return (bool)::FLAC__metadata_object_seektable_template_append_spaced_points(object_, num, total_samples); |
| } |
| |
| bool SeekTable::template_append_spaced_points_by_samples(unsigned samples, FLAC__uint64 total_samples) |
| { |
| FLAC__ASSERT(is_valid()); |
| return (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 (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, unsigned 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, unsigned 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((const char *)entry.entry_.entry, entry.entry_.length); |
| } |
| |
| VorbisComment::Entry &VorbisComment::Entry::operator=(const Entry &entry) |
| { |
| FLAC__ASSERT(entry.is_valid()); |
| clear(); |
| construct((const char *)entry.entry_.entry, entry.entry_.length); |
| return *this; |
| } |
| |
| VorbisComment::Entry::~Entry() |
| { |
| clear(); |
| } |
| |
| bool VorbisComment::Entry::is_valid() const |
| { |
| return is_valid_; |
| } |
| |
| unsigned VorbisComment::Entry::get_field_length() const |
| { |
| FLAC__ASSERT(is_valid()); |
| return entry_.length; |
| } |
| |
| unsigned VorbisComment::Entry::get_field_name_length() const |
| { |
| FLAC__ASSERT(is_valid()); |
| return field_name_length_; |
| } |
| |
| unsigned 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 (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, unsigned field_length) |
| { |
| FLAC__ASSERT(is_valid()); |
| FLAC__ASSERT(0 != field); |
| |
| if(!::FLAC__format_vorbiscomment_entry_is_legal((const ::FLAC__byte*)field, field_length)) |
| return is_valid_ = false; |
| |
| clear_entry(); |
| |
| if(0 == (entry_.entry = (FLAC__byte*)safe_malloc_add_2op_(field_length, /*+*/1))) { |
| is_valid_ = false; |
| } |
| else { |
| entry_.length = field_length; |
| 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, 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_ = strlen(field_name_); |
| compose_field(); |
| } |
| |
| return is_valid_; |
| } |
| |
| bool VorbisComment::Entry::set_field_value(const char *field_value, unsigned field_value_length) |
| { |
| FLAC__ASSERT(is_valid()); |
| FLAC__ASSERT(0 != field_value); |
| |
| if(!::FLAC__format_vorbiscomment_entry_value_is_legal((const FLAC__byte*)field_value, field_value_length)) |
| return is_valid_ = false; |
| |
| clear_field_value(); |
| |
| if(0 == (field_value_ = (char *)safe_malloc_add_2op_(field_value_length, /*+*/1))) { |
| is_valid_ = false; |
| } |
| else { |
| field_value_length_ = field_value_length; |
| 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, 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) { |
| free(entry_.entry); |
| entry_.entry = 0; |
| entry_.length = 0; |
| } |
| } |
| |
| void VorbisComment::Entry::clear_field_name() |
| { |
| if(0 != field_name_) { |
| free(field_name_); |
| field_name_ = 0; |
| field_name_length_ = 0; |
| } |
| } |
| |
| void VorbisComment::Entry::clear_field_value() |
| { |
| if(0 != field_value_) { |
| free(field_value_); |
| field_value_ = 0; |
| field_value_length_ = 0; |
| } |
| } |
| |
| void VorbisComment::Entry::construct(const char *field, unsigned field_length) |
| { |
| if(set_field(field, field_length)) |
| parse_field(); |
| } |
| |
| void VorbisComment::Entry::construct(const char *field) |
| { |
| construct(field, strlen(field)); |
| } |
| |
| void VorbisComment::Entry::construct(const char *field_name, const char *field_value, unsigned 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, strlen(field_value)); |
| } |
| |
| void VorbisComment::Entry::compose_field() |
| { |
| clear_entry(); |
| |
| if(0 == (entry_.entry = (FLAC__byte*)safe_malloc_add_4op_(field_name_length_, /*+*/1, /*+*/field_value_length_, /*+*/1))) { |
| is_valid_ = false; |
| } |
| else { |
| memcpy(entry_.entry, field_name_, field_name_length_); |
| entry_.length += field_name_length_; |
| memcpy(entry_.entry + entry_.length, "=", 1); |
| entry_.length += 1; |
| if (field_value_length_ > 0) |
| 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 = (const char *)memchr(entry_.entry, '=', entry_.length); |
| |
| if(0 == p) |
| p = (const char *)entry_.entry + entry_.length; |
| |
| field_name_length_ = (unsigned)(p - (const char *)entry_.entry); |
| if(0 == (field_name_ = (char *)safe_malloc_add_2op_(field_name_length_, /*+*/1))) { // +1 for the trailing \0 |
| is_valid_ = false; |
| return; |
| } |
| 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_ = (char *)safe_malloc_(0))) { |
| is_valid_ = false; |
| return; |
| } |
| } |
| else { |
| field_value_length_ = entry_.length - field_name_length_ - 1; |
| if(0 == (field_value_ = (char *)safe_malloc_add_2op_(field_value_length_, /*+*/1))) { // +1 for the trailing \0 |
| is_valid_ = false; |
| return; |
| } |
| 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() |
| { } |
| |
| unsigned 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(unsigned indx) const |
| { |
| FLAC__ASSERT(is_valid()); |
| FLAC__ASSERT(indx < object_->data.vorbis_comment.num_comments); |
| return Entry((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>(strlen((const char *)string)), (FLAC__byte*)string }; // we can cheat on const-ness because we make a copy below: |
| return (bool)::FLAC__metadata_object_vorbiscomment_set_vendor_string(object_, vendor_string, /*copy=*/true); |
| } |
| |
| bool VorbisComment::resize_comments(unsigned new_num_comments) |
| { |
| FLAC__ASSERT(is_valid()); |
| return (bool)::FLAC__metadata_object_vorbiscomment_resize_comments(object_, new_num_comments); |
| } |
| |
| bool VorbisComment::set_comment(unsigned indx, const VorbisComment::Entry &entry) |
| { |
| FLAC__ASSERT(is_valid()); |
| FLAC__ASSERT(indx < object_->data.vorbis_comment.num_comments); |
| return (bool)::FLAC__metadata_object_vorbiscomment_set_comment(object_, indx, entry.get_entry(), /*copy=*/true); |
| } |
| |
| bool VorbisComment::insert_comment(unsigned indx, const VorbisComment::Entry &entry) |
| { |
| FLAC__ASSERT(is_valid()); |
| FLAC__ASSERT(indx <= object_->data.vorbis_comment.num_comments); |
| return (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 (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 (bool)::FLAC__metadata_object_vorbiscomment_replace_comment(object_, entry.get_entry(), all, /*copy=*/true); |
| } |
| |
| bool VorbisComment::delete_comment(unsigned indx) |
| { |
| FLAC__ASSERT(is_valid()); |
| FLAC__ASSERT(indx < object_->data.vorbis_comment.num_comments); |
| return (bool)::FLAC__metadata_object_vorbiscomment_delete_comment(object_, indx); |
| } |
| |
| int VorbisComment::find_entry_from(unsigned 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(unsigned 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); |
| memcpy(object_->isrc, value, 12); |
| object_->isrc[12] = '\0'; |
| } |
| |
| void CueSheet::Track::set_type(unsigned value) |
| { |
| FLAC__ASSERT(is_valid()); |
| FLAC__ASSERT(value <= 1); |
| object_->type = value; |
| } |
| |
| void CueSheet::Track::set_index(unsigned 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; |
| } |
| |
| unsigned CueSheet::get_num_tracks() const |
| { |
| FLAC__ASSERT(is_valid()); |
| return object_->data.cue_sheet.num_tracks; |
| } |
| |
| CueSheet::Track CueSheet::get_track(unsigned 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); |
| 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(unsigned track_num, unsigned 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(unsigned track_num, unsigned new_num_indices) |
| { |
| FLAC__ASSERT(is_valid()); |
| FLAC__ASSERT(track_num < object_->data.cue_sheet.num_tracks); |
| return (bool)::FLAC__metadata_object_cuesheet_track_resize_indices(object_, track_num, new_num_indices); |
| } |
| |
| bool CueSheet::insert_index(unsigned track_num, unsigned 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 (bool)::FLAC__metadata_object_cuesheet_track_insert_index(object_, track_num, index_num, indx); |
| } |
| |
| bool CueSheet::insert_blank_index(unsigned track_num, unsigned 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 (bool)::FLAC__metadata_object_cuesheet_track_insert_blank_index(object_, track_num, index_num); |
| } |
| |
| bool CueSheet::delete_index(unsigned track_num, unsigned 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 (bool)::FLAC__metadata_object_cuesheet_track_delete_index(object_, track_num, index_num); |
| } |
| |
| bool CueSheet::resize_tracks(unsigned new_num_tracks) |
| { |
| FLAC__ASSERT(is_valid()); |
| return (bool)::FLAC__metadata_object_cuesheet_resize_tracks(object_, new_num_tracks); |
| } |
| |
| bool CueSheet::set_track(unsigned 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 (bool)::FLAC__metadata_object_cuesheet_set_track(object_, i, const_cast< ::FLAC__StreamMetadata_CueSheet_Track*>(track.get_track()), /*copy=*/true); |
| } |
| |
| bool CueSheet::insert_track(unsigned 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 (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(unsigned i) |
| { |
| FLAC__ASSERT(is_valid()); |
| FLAC__ASSERT(i <= object_->data.cue_sheet.num_tracks); |
| return (bool)::FLAC__metadata_object_cuesheet_insert_blank_track(object_, i); |
| } |
| |
| bool CueSheet::delete_track(unsigned i) |
| { |
| FLAC__ASSERT(is_valid()); |
| FLAC__ASSERT(i < object_->data.cue_sheet.num_tracks); |
| return (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 (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 (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 (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 (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 (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, unsigned length) |
| { |
| FLAC__ASSERT(is_valid()); |
| return (bool)::FLAC__metadata_object_application_set_data(object_, (FLAC__byte*)data, length, true); |
| } |
| |
| bool Unknown::set_data(FLAC__byte *data, unsigned length, bool copy) |
| { |
| FLAC__ASSERT(is_valid()); |
| return (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, unsigned max_width, unsigned max_height, unsigned max_depth, unsigned 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, unsigned max_width, unsigned max_height, unsigned max_depth, unsigned 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 (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 (bool)::FLAC__metadata_simple_iterator_is_writable(iterator_); |
| } |
| |
| bool SimpleIterator::next() |
| { |
| FLAC__ASSERT(is_valid()); |
| return (bool)::FLAC__metadata_simple_iterator_next(iterator_); |
| } |
| |
| bool SimpleIterator::prev() |
| { |
| FLAC__ASSERT(is_valid()); |
| return (bool)::FLAC__metadata_simple_iterator_prev(iterator_); |
| } |
| |
| //@@@@ add to tests |
| bool SimpleIterator::is_last() const |
| { |
| FLAC__ASSERT(is_valid()); |
| return (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 |
| unsigned 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 (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 (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 (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 (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? |
| (bool)::FLAC__metadata_chain_read_ogg(chain_, filename) : |
| (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? |
| (bool)::FLAC__metadata_chain_read_ogg_with_callbacks(chain_, handle, callbacks) : |
| (bool)::FLAC__metadata_chain_read_with_callbacks(chain_, handle, callbacks) |
| ; |
| } |
| |
| bool Chain::check_if_tempfile_needed(bool use_padding) |
| { |
| FLAC__ASSERT(is_valid()); |
| return (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 (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 (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 (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 (bool)::FLAC__metadata_iterator_next(iterator_); |
| } |
| |
| bool Iterator::prev() |
| { |
| FLAC__ASSERT(is_valid()); |
| return (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 = (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 (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 = (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 = (bool)::FLAC__metadata_iterator_insert_block_after(iterator_, block->object_); |
| if(ret) { |
| block->set_reference(true); |
| delete block; |
| } |
| return ret; |
| } |
| |
| } |
| } |