| /* libFLAC++ - Free Lossless Audio Codec library |
| * Copyright (C) 2002,2003 Josh Coalson |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Library General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Library General Public License for more details. |
| * |
| * You should have received a copy of the GNU Library General Public |
| * License along with this library; if not, write to the |
| * Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
| * Boston, MA 02111-1307, USA. |
| */ |
| |
| #include "FLAC++/decoder.h" |
| #include "FLAC/assert.h" |
| |
| namespace FLAC { |
| namespace Decoder { |
| |
| const char *Stream::State::resolved_as_cstring(const Stream &) const |
| { |
| return as_cstring(); |
| } |
| |
| Stream::Stream(): |
| decoder_(::FLAC__stream_decoder_new()) |
| { } |
| |
| Stream::~Stream() |
| { |
| if(0 != decoder_) { |
| ::FLAC__stream_decoder_finish(decoder_); |
| ::FLAC__stream_decoder_delete(decoder_); |
| } |
| } |
| |
| bool Stream::is_valid() const |
| { |
| return 0 != decoder_; |
| } |
| |
| bool Stream::set_metadata_respond(::FLAC__MetadataType type) |
| { |
| FLAC__ASSERT(is_valid()); |
| return (bool)::FLAC__stream_decoder_set_metadata_respond(decoder_, type); |
| } |
| |
| bool Stream::set_metadata_respond_application(const FLAC__byte id[4]) |
| { |
| FLAC__ASSERT(is_valid()); |
| return (bool)::FLAC__stream_decoder_set_metadata_respond_application(decoder_, id); |
| } |
| |
| bool Stream::set_metadata_respond_all() |
| { |
| FLAC__ASSERT(is_valid()); |
| return (bool)::FLAC__stream_decoder_set_metadata_respond_all(decoder_); |
| } |
| |
| bool Stream::set_metadata_ignore(::FLAC__MetadataType type) |
| { |
| FLAC__ASSERT(is_valid()); |
| return (bool)::FLAC__stream_decoder_set_metadata_ignore(decoder_, type); |
| } |
| |
| bool Stream::set_metadata_ignore_application(const FLAC__byte id[4]) |
| { |
| FLAC__ASSERT(is_valid()); |
| return (bool)::FLAC__stream_decoder_set_metadata_ignore_application(decoder_, id); |
| } |
| |
| bool Stream::set_metadata_ignore_all() |
| { |
| FLAC__ASSERT(is_valid()); |
| return (bool)::FLAC__stream_decoder_set_metadata_ignore_all(decoder_); |
| } |
| |
| Stream::State Stream::get_state() const |
| { |
| FLAC__ASSERT(is_valid()); |
| return State(::FLAC__stream_decoder_get_state(decoder_)); |
| } |
| |
| unsigned Stream::get_channels() const |
| { |
| FLAC__ASSERT(is_valid()); |
| return ::FLAC__stream_decoder_get_channels(decoder_); |
| } |
| |
| ::FLAC__ChannelAssignment Stream::get_channel_assignment() const |
| { |
| FLAC__ASSERT(is_valid()); |
| return ::FLAC__stream_decoder_get_channel_assignment(decoder_); |
| } |
| |
| unsigned Stream::get_bits_per_sample() const |
| { |
| FLAC__ASSERT(is_valid()); |
| return ::FLAC__stream_decoder_get_bits_per_sample(decoder_); |
| } |
| |
| unsigned Stream::get_sample_rate() const |
| { |
| FLAC__ASSERT(is_valid()); |
| return ::FLAC__stream_decoder_get_sample_rate(decoder_); |
| } |
| |
| unsigned Stream::get_blocksize() const |
| { |
| FLAC__ASSERT(is_valid()); |
| return ::FLAC__stream_decoder_get_blocksize(decoder_); |
| } |
| |
| Stream::State Stream::init() |
| { |
| FLAC__ASSERT(is_valid()); |
| ::FLAC__stream_decoder_set_read_callback(decoder_, read_callback_); |
| ::FLAC__stream_decoder_set_write_callback(decoder_, write_callback_); |
| ::FLAC__stream_decoder_set_metadata_callback(decoder_, metadata_callback_); |
| ::FLAC__stream_decoder_set_error_callback(decoder_, error_callback_); |
| ::FLAC__stream_decoder_set_client_data(decoder_, (void*)this); |
| return State(::FLAC__stream_decoder_init(decoder_)); |
| } |
| |
| void Stream::finish() |
| { |
| FLAC__ASSERT(is_valid()); |
| ::FLAC__stream_decoder_finish(decoder_); |
| } |
| |
| bool Stream::flush() |
| { |
| FLAC__ASSERT(is_valid()); |
| return (bool)::FLAC__stream_decoder_flush(decoder_); |
| } |
| |
| bool Stream::reset() |
| { |
| FLAC__ASSERT(is_valid()); |
| return (bool)::FLAC__stream_decoder_reset(decoder_); |
| } |
| |
| bool Stream::process_single() |
| { |
| FLAC__ASSERT(is_valid()); |
| return (bool)::FLAC__stream_decoder_process_single(decoder_); |
| } |
| |
| bool Stream::process_until_end_of_metadata() |
| { |
| FLAC__ASSERT(is_valid()); |
| return (bool)::FLAC__stream_decoder_process_until_end_of_metadata(decoder_); |
| } |
| |
| bool Stream::process_until_end_of_stream() |
| { |
| FLAC__ASSERT(is_valid()); |
| return (bool)::FLAC__stream_decoder_process_until_end_of_stream(decoder_); |
| } |
| |
| ::FLAC__StreamDecoderReadStatus Stream::read_callback_(const ::FLAC__StreamDecoder *decoder, FLAC__byte buffer[], unsigned *bytes, void *client_data) |
| { |
| (void)decoder; |
| FLAC__ASSERT(0 != client_data); |
| Stream *instance = reinterpret_cast<Stream *>(client_data); |
| FLAC__ASSERT(0 != instance); |
| return instance->read_callback(buffer, bytes); |
| } |
| |
| ::FLAC__StreamDecoderWriteStatus Stream::write_callback_(const ::FLAC__StreamDecoder *decoder, const ::FLAC__Frame *frame, const FLAC__int32 * const buffer[], void *client_data) |
| { |
| (void)decoder; |
| FLAC__ASSERT(0 != client_data); |
| Stream *instance = reinterpret_cast<Stream *>(client_data); |
| FLAC__ASSERT(0 != instance); |
| return instance->write_callback(frame, buffer); |
| } |
| |
| void Stream::metadata_callback_(const ::FLAC__StreamDecoder *decoder, const ::FLAC__StreamMetadata *metadata, void *client_data) |
| { |
| (void)decoder; |
| FLAC__ASSERT(0 != client_data); |
| Stream *instance = reinterpret_cast<Stream *>(client_data); |
| FLAC__ASSERT(0 != instance); |
| instance->metadata_callback(metadata); |
| } |
| |
| void Stream::error_callback_(const ::FLAC__StreamDecoder *decoder, ::FLAC__StreamDecoderErrorStatus status, void *client_data) |
| { |
| (void)decoder; |
| FLAC__ASSERT(0 != client_data); |
| Stream *instance = reinterpret_cast<Stream *>(client_data); |
| FLAC__ASSERT(0 != instance); |
| instance->error_callback(status); |
| } |
| |
| }; |
| }; |