From 21dac6c05ddff1ce130843a82127618f9ed766a7 Mon Sep 17 00:00:00 2001 From: Denis Krjuchkov Date: Sun, 5 May 2013 18:19:04 +0600 Subject: decoder/FLAC*: rename files and symbols to Flac* --- src/decoder/FLACCommon.cxx | 213 --------------------- src/decoder/FLACCommon.hxx | 101 ---------- src/decoder/FLACDecoderPlugin.cxx | 383 -------------------------------------- src/decoder/FLACDecoderPlugin.h | 26 --- src/decoder/FLACIOHandle.cxx | 114 ------------ src/decoder/FLACIOHandle.hxx | 45 ----- src/decoder/FLACInput.cxx | 149 --------------- src/decoder/FLACInput.hxx | 72 ------- src/decoder/FLACMetaData.cxx | 253 ------------------------- src/decoder/FLACMetaData.hxx | 140 -------------- src/decoder/FLAC_PCM.cxx | 110 ----------- src/decoder/FLAC_PCM.hxx | 33 ---- src/decoder/FlacCommon.cxx | 213 +++++++++++++++++++++ src/decoder/FlacCommon.hxx | 101 ++++++++++ src/decoder/FlacDecoderPlugin.cxx | 383 ++++++++++++++++++++++++++++++++++++++ src/decoder/FlacDecoderPlugin.h | 26 +++ src/decoder/FlacIOHandle.cxx | 114 ++++++++++++ src/decoder/FlacIOHandle.hxx | 45 +++++ src/decoder/FlacInput.cxx | 149 +++++++++++++++ src/decoder/FlacInput.hxx | 72 +++++++ src/decoder/FlacMetadata.cxx | 253 +++++++++++++++++++++++++ src/decoder/FlacMetadata.hxx | 140 ++++++++++++++ src/decoder/FlacPcm.cxx | 110 +++++++++++ src/decoder/FlacPcm.hxx | 33 ++++ 24 files changed, 1639 insertions(+), 1639 deletions(-) delete mode 100644 src/decoder/FLACCommon.cxx delete mode 100644 src/decoder/FLACCommon.hxx delete mode 100644 src/decoder/FLACDecoderPlugin.cxx delete mode 100644 src/decoder/FLACDecoderPlugin.h delete mode 100644 src/decoder/FLACIOHandle.cxx delete mode 100644 src/decoder/FLACIOHandle.hxx delete mode 100644 src/decoder/FLACInput.cxx delete mode 100644 src/decoder/FLACInput.hxx delete mode 100644 src/decoder/FLACMetaData.cxx delete mode 100644 src/decoder/FLACMetaData.hxx delete mode 100644 src/decoder/FLAC_PCM.cxx delete mode 100644 src/decoder/FLAC_PCM.hxx create mode 100644 src/decoder/FlacCommon.cxx create mode 100644 src/decoder/FlacCommon.hxx create mode 100644 src/decoder/FlacDecoderPlugin.cxx create mode 100644 src/decoder/FlacDecoderPlugin.h create mode 100644 src/decoder/FlacIOHandle.cxx create mode 100644 src/decoder/FlacIOHandle.hxx create mode 100644 src/decoder/FlacInput.cxx create mode 100644 src/decoder/FlacInput.hxx create mode 100644 src/decoder/FlacMetadata.cxx create mode 100644 src/decoder/FlacMetadata.hxx create mode 100644 src/decoder/FlacPcm.cxx create mode 100644 src/decoder/FlacPcm.hxx (limited to 'src/decoder') diff --git a/src/decoder/FLACCommon.cxx b/src/decoder/FLACCommon.cxx deleted file mode 100644 index 25fd1f964..000000000 --- a/src/decoder/FLACCommon.cxx +++ /dev/null @@ -1,213 +0,0 @@ -/* - * Copyright (C) 2003-2012 The Music Player Daemon Project - * http://www.musicpd.org - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -/* - * Common data structures and functions used by FLAC and OggFLAC - */ - -#include "config.h" -#include "FLACCommon.hxx" -#include "FLACMetaData.hxx" -#include "FLAC_PCM.hxx" - -extern "C" { -#include "audio_check.h" -} - -#include - -#include - -flac_data::flac_data(struct decoder *_decoder, - struct input_stream *_input_stream) - :FLACInput(_input_stream, _decoder), - initialized(false), unsupported(false), - total_frames(0), first_frame(0), next_frame(0), position(0), - decoder(_decoder), input_stream(_input_stream), - tag(nullptr) -{ - pcm_buffer_init(&buffer); -} - -flac_data::~flac_data() -{ - pcm_buffer_deinit(&buffer); - - if (tag != nullptr) - tag_free(tag); -} - -static enum sample_format -flac_sample_format(unsigned bits_per_sample) -{ - switch (bits_per_sample) { - case 8: - return SAMPLE_FORMAT_S8; - - case 16: - return SAMPLE_FORMAT_S16; - - case 24: - return SAMPLE_FORMAT_S24_P32; - - case 32: - return SAMPLE_FORMAT_S32; - - default: - return SAMPLE_FORMAT_UNDEFINED; - } -} - -static void -flac_got_stream_info(struct flac_data *data, - const FLAC__StreamMetadata_StreamInfo *stream_info) -{ - if (data->initialized || data->unsupported) - return; - - GError *error = nullptr; - if (!audio_format_init_checked(&data->audio_format, - stream_info->sample_rate, - flac_sample_format(stream_info->bits_per_sample), - stream_info->channels, &error)) { - g_warning("%s", error->message); - g_error_free(error); - data->unsupported = true; - return; - } - - data->frame_size = audio_format_frame_size(&data->audio_format); - - if (data->total_frames == 0) - data->total_frames = stream_info->total_samples; - - data->initialized = true; -} - -void flac_metadata_common_cb(const FLAC__StreamMetadata * block, - struct flac_data *data) -{ - if (data->unsupported) - return; - - struct replay_gain_info rgi; - char *mixramp_start; - char *mixramp_end; - - switch (block->type) { - case FLAC__METADATA_TYPE_STREAMINFO: - flac_got_stream_info(data, &block->data.stream_info); - break; - - case FLAC__METADATA_TYPE_VORBIS_COMMENT: - if (flac_parse_replay_gain(&rgi, block)) - decoder_replay_gain(data->decoder, &rgi); - - if (flac_parse_mixramp(&mixramp_start, &mixramp_end, block)) - decoder_mixramp(data->decoder, - mixramp_start, mixramp_end); - - if (data->tag != nullptr) - flac_vorbis_comments_to_tag(data->tag, - &block->data.vorbis_comment); - - default: - break; - } -} - -/** - * This function attempts to call decoder_initialized() in case there - * was no STREAMINFO block. This is allowed for nonseekable streams, - * where the server sends us only a part of the file, without - * providing the STREAMINFO block from the beginning of the file - * (e.g. when seeking with SqueezeBox Server). - */ -static bool -flac_got_first_frame(struct flac_data *data, const FLAC__FrameHeader *header) -{ - if (data->unsupported) - return false; - - GError *error = nullptr; - if (!audio_format_init_checked(&data->audio_format, - header->sample_rate, - flac_sample_format(header->bits_per_sample), - header->channels, &error)) { - g_warning("%s", error->message); - g_error_free(error); - data->unsupported = true; - return false; - } - - data->frame_size = audio_format_frame_size(&data->audio_format); - - decoder_initialized(data->decoder, &data->audio_format, - data->input_stream->seekable, - (float)data->total_frames / - (float)data->audio_format.sample_rate); - - data->initialized = true; - - return true; -} - -FLAC__StreamDecoderWriteStatus -flac_common_write(struct flac_data *data, const FLAC__Frame * frame, - const FLAC__int32 *const buf[], - FLAC__uint64 nbytes) -{ - enum decoder_command cmd; - void *buffer; - unsigned bit_rate; - - if (!data->initialized && !flac_got_first_frame(data, &frame->header)) - return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT; - - size_t buffer_size = frame->header.blocksize * data->frame_size; - buffer = pcm_buffer_get(&data->buffer, buffer_size); - - flac_convert(buffer, frame->header.channels, - (enum sample_format)data->audio_format.format, buf, - 0, frame->header.blocksize); - - if (nbytes > 0) - bit_rate = nbytes * 8 * frame->header.sample_rate / - (1000 * frame->header.blocksize); - else - bit_rate = 0; - - cmd = decoder_data(data->decoder, data->input_stream, - buffer, buffer_size, - bit_rate); - data->next_frame += frame->header.blocksize; - switch (cmd) { - case DECODE_COMMAND_NONE: - case DECODE_COMMAND_START: - break; - - case DECODE_COMMAND_STOP: - return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT; - - case DECODE_COMMAND_SEEK: - return FLAC__STREAM_DECODER_WRITE_STATUS_CONTINUE; - } - - return FLAC__STREAM_DECODER_WRITE_STATUS_CONTINUE; -} diff --git a/src/decoder/FLACCommon.hxx b/src/decoder/FLACCommon.hxx deleted file mode 100644 index 20f93c8c7..000000000 --- a/src/decoder/FLACCommon.hxx +++ /dev/null @@ -1,101 +0,0 @@ -/* - * Copyright (C) 2003-2012 The Music Player Daemon Project - * http://www.musicpd.org - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -/* - * Common data structures and functions used by FLAC and OggFLAC - */ - -#ifndef MPD_FLAC_COMMON_HXX -#define MPD_FLAC_COMMON_HXX - -#include "FLACInput.hxx" -#include "decoder_api.h" - -extern "C" { -#include "pcm/pcm_buffer.h" -} - -#include -#include - -#undef G_LOG_DOMAIN -#define G_LOG_DOMAIN "flac" - -struct flac_data : public FLACInput { - struct pcm_buffer buffer; - - /** - * The size of one frame in the output buffer. - */ - unsigned frame_size; - - /** - * Has decoder_initialized() been called yet? - */ - bool initialized; - - /** - * Does the FLAC file contain an unsupported audio format? - */ - bool unsupported; - - /** - * The validated audio format of the FLAC file. This - * attribute is defined if "initialized" is true. - */ - struct audio_format audio_format; - - /** - * The total number of frames in this song. The decoder - * plugin may initialize this attribute to override the value - * provided by libFLAC (e.g. for sub songs from a CUE sheet). - */ - FLAC__uint64 total_frames; - - /** - * The number of the first frame in this song. This is only - * non-zero if playing sub songs from a CUE sheet. - */ - FLAC__uint64 first_frame; - - /** - * The number of the next frame which is going to be decoded. - */ - FLAC__uint64 next_frame; - - FLAC__uint64 position; - - struct decoder *decoder; - struct input_stream *input_stream; - - struct tag *tag; - - flac_data(struct decoder *decoder, struct input_stream *input_stream); - ~flac_data(); -}; - -void flac_metadata_common_cb(const FLAC__StreamMetadata * block, - struct flac_data *data); - -FLAC__StreamDecoderWriteStatus -flac_common_write(struct flac_data *data, const FLAC__Frame * frame, - const FLAC__int32 *const buf[], - FLAC__uint64 nbytes); - -#endif /* _FLAC_COMMON_H */ diff --git a/src/decoder/FLACDecoderPlugin.cxx b/src/decoder/FLACDecoderPlugin.cxx deleted file mode 100644 index 43b604097..000000000 --- a/src/decoder/FLACDecoderPlugin.cxx +++ /dev/null @@ -1,383 +0,0 @@ -/* - * Copyright (C) 2003-2012 The Music Player Daemon Project - * http://www.musicpd.org - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#include "config.h" /* must be first for large file support */ -#include "FLACDecoderPlugin.h" -#include "FLACCommon.hxx" -#include "FLACMetaData.hxx" -#include "OggCodec.hxx" - -#include - -#include -#include - -#include -#include - -#if !defined(FLAC_API_VERSION_CURRENT) || FLAC_API_VERSION_CURRENT <= 7 -#error libFLAC is too old -#endif - -static void flacPrintErroredState(FLAC__StreamDecoderState state) -{ - switch (state) { - case FLAC__STREAM_DECODER_SEARCH_FOR_METADATA: - case FLAC__STREAM_DECODER_READ_METADATA: - case FLAC__STREAM_DECODER_SEARCH_FOR_FRAME_SYNC: - case FLAC__STREAM_DECODER_READ_FRAME: - case FLAC__STREAM_DECODER_END_OF_STREAM: - return; - - case FLAC__STREAM_DECODER_OGG_ERROR: - case FLAC__STREAM_DECODER_SEEK_ERROR: - case FLAC__STREAM_DECODER_ABORTED: - case FLAC__STREAM_DECODER_MEMORY_ALLOCATION_ERROR: - case FLAC__STREAM_DECODER_UNINITIALIZED: - break; - } - - g_warning("%s\n", FLAC__StreamDecoderStateString[state]); -} - -static void flacMetadata(G_GNUC_UNUSED const FLAC__StreamDecoder * dec, - const FLAC__StreamMetadata * block, void *vdata) -{ - flac_metadata_common_cb(block, (struct flac_data *) vdata); -} - -static FLAC__StreamDecoderWriteStatus -flac_write_cb(const FLAC__StreamDecoder *dec, const FLAC__Frame *frame, - const FLAC__int32 *const buf[], void *vdata) -{ - struct flac_data *data = (struct flac_data *) vdata; - FLAC__uint64 nbytes = 0; - - if (FLAC__stream_decoder_get_decode_position(dec, &nbytes)) { - if (data->position > 0 && nbytes > data->position) { - nbytes -= data->position; - data->position += nbytes; - } else { - data->position = nbytes; - nbytes = 0; - } - } else - nbytes = 0; - - return flac_common_write(data, frame, buf, nbytes); -} - -static bool -flac_scan_file(const char *file, - const struct tag_handler *handler, void *handler_ctx) -{ - FLACMetadataChain chain; - if (!chain.Read(file)) { - g_debug("Failed to read FLAC tags: %s", - chain.GetStatusString()); - return false; - } - - chain.Scan(handler, handler_ctx); - return true; -} - -static bool -flac_scan_stream(struct input_stream *is, - const struct tag_handler *handler, void *handler_ctx) -{ - FLACMetadataChain chain; - if (!chain.Read(is)) { - g_debug("Failed to read FLAC tags: %s", - chain.GetStatusString()); - return false; - } - - chain.Scan(handler, handler_ctx); - return true; -} - -/** - * Some glue code around FLAC__stream_decoder_new(). - */ -static FLAC__StreamDecoder * -flac_decoder_new(void) -{ - FLAC__StreamDecoder *sd = FLAC__stream_decoder_new(); - if (sd == nullptr) { - g_warning("FLAC__stream_decoder_new() failed"); - return nullptr; - } - - if(!FLAC__stream_decoder_set_metadata_respond(sd, FLAC__METADATA_TYPE_VORBIS_COMMENT)) - g_debug("FLAC__stream_decoder_set_metadata_respond() has failed"); - - return sd; -} - -static bool -flac_decoder_initialize(struct flac_data *data, FLAC__StreamDecoder *sd, - FLAC__uint64 duration) -{ - data->total_frames = duration; - - if (!FLAC__stream_decoder_process_until_end_of_metadata(sd)) { - g_warning("problem reading metadata"); - return false; - } - - if (data->initialized) { - /* done */ - decoder_initialized(data->decoder, &data->audio_format, - data->input_stream->seekable, - (float)data->total_frames / - (float)data->audio_format.sample_rate); - return true; - } - - if (data->input_stream->seekable) - /* allow the workaround below only for nonseekable - streams*/ - return false; - - /* no stream_info packet found; try to initialize the decoder - from the first frame header */ - FLAC__stream_decoder_process_single(sd); - return data->initialized; -} - -static void -flac_decoder_loop(struct flac_data *data, FLAC__StreamDecoder *flac_dec, - FLAC__uint64 t_start, FLAC__uint64 t_end) -{ - struct decoder *decoder = data->decoder; - enum decoder_command cmd; - - data->first_frame = t_start; - - while (true) { - if (data->tag != nullptr && !tag_is_empty(data->tag)) { - cmd = decoder_tag(data->decoder, data->input_stream, - data->tag); - tag_free(data->tag); - data->tag = tag_new(); - } else - cmd = decoder_get_command(decoder); - - if (cmd == DECODE_COMMAND_SEEK) { - FLAC__uint64 seek_sample = t_start + - decoder_seek_where(decoder) * - data->audio_format.sample_rate; - if (seek_sample >= t_start && - (t_end == 0 || seek_sample <= t_end) && - FLAC__stream_decoder_seek_absolute(flac_dec, seek_sample)) { - data->next_frame = seek_sample; - data->position = 0; - decoder_command_finished(decoder); - } else - decoder_seek_error(decoder); - } else if (cmd == DECODE_COMMAND_STOP || - FLAC__stream_decoder_get_state(flac_dec) == FLAC__STREAM_DECODER_END_OF_STREAM) - break; - - if (t_end != 0 && data->next_frame >= t_end) - /* end of this sub track */ - break; - - if (!FLAC__stream_decoder_process_single(flac_dec) && - decoder_get_command(decoder) == DECODE_COMMAND_NONE) { - /* a failure that was not triggered by a - decoder command */ - flacPrintErroredState(FLAC__stream_decoder_get_state(flac_dec)); - break; - } - } -} - -static FLAC__StreamDecoderInitStatus -stream_init_oggflac(FLAC__StreamDecoder *flac_dec, struct flac_data *data) -{ - return FLAC__stream_decoder_init_ogg_stream(flac_dec, - FLACInput::Read, - FLACInput::Seek, - FLACInput::Tell, - FLACInput::Length, - FLACInput::Eof, - flac_write_cb, - flacMetadata, - FLACInput::Error, - data); -} - -static FLAC__StreamDecoderInitStatus -stream_init_flac(FLAC__StreamDecoder *flac_dec, struct flac_data *data) -{ - return FLAC__stream_decoder_init_stream(flac_dec, - FLACInput::Read, - FLACInput::Seek, - FLACInput::Tell, - FLACInput::Length, - FLACInput::Eof, - flac_write_cb, - flacMetadata, - FLACInput::Error, - data); -} - -static FLAC__StreamDecoderInitStatus -stream_init(FLAC__StreamDecoder *flac_dec, struct flac_data *data, bool is_ogg) -{ - return is_ogg - ? stream_init_oggflac(flac_dec, data) - : stream_init_flac(flac_dec, data); -} - -static void -flac_decode_internal(struct decoder * decoder, - struct input_stream *input_stream, - bool is_ogg) -{ - FLAC__StreamDecoder *flac_dec; - - flac_dec = flac_decoder_new(); - if (flac_dec == nullptr) - return; - - struct flac_data data(decoder, input_stream); - data.tag = tag_new(); - - FLAC__StreamDecoderInitStatus status = - stream_init(flac_dec, &data, is_ogg); - if (status != FLAC__STREAM_DECODER_INIT_STATUS_OK) { - FLAC__stream_decoder_delete(flac_dec); - g_warning("%s", FLAC__StreamDecoderInitStatusString[status]); - return; - } - - if (!flac_decoder_initialize(&data, flac_dec, 0)) { - FLAC__stream_decoder_finish(flac_dec); - FLAC__stream_decoder_delete(flac_dec); - return; - } - - flac_decoder_loop(&data, flac_dec, 0, 0); - - FLAC__stream_decoder_finish(flac_dec); - FLAC__stream_decoder_delete(flac_dec); -} - -static void -flac_decode(struct decoder * decoder, struct input_stream *input_stream) -{ - flac_decode_internal(decoder, input_stream, false); -} - -static bool -oggflac_init(G_GNUC_UNUSED const struct config_param *param) -{ - return !!FLAC_API_SUPPORTS_OGG_FLAC; -} - -static bool -oggflac_scan_file(const char *file, - const struct tag_handler *handler, void *handler_ctx) -{ - FLACMetadataChain chain; - if (!chain.ReadOgg(file)) { - g_debug("Failed to read OggFLAC tags: %s", - chain.GetStatusString()); - return false; - } - - chain.Scan(handler, handler_ctx); - return true; -} - -static bool -oggflac_scan_stream(struct input_stream *is, - const struct tag_handler *handler, void *handler_ctx) -{ - FLACMetadataChain chain; - if (!chain.ReadOgg(is)) { - g_debug("Failed to read OggFLAC tags: %s", - chain.GetStatusString()); - return false; - } - - chain.Scan(handler, handler_ctx); - return true; -} - -static void -oggflac_decode(struct decoder *decoder, struct input_stream *input_stream) -{ - if (ogg_codec_detect(decoder, input_stream) != OGG_CODEC_FLAC) - return; - - /* rewind the stream, because ogg_codec_detect() has - moved it */ - input_stream_lock_seek(input_stream, 0, SEEK_SET, nullptr); - - flac_decode_internal(decoder, input_stream, true); -} - -static const char *const oggflac_suffixes[] = { "ogg", "oga", nullptr }; -static const char *const oggflac_mime_types[] = { - "application/ogg", - "application/x-ogg", - "audio/ogg", - "audio/x-flac+ogg", - "audio/x-ogg", - nullptr -}; - -const struct decoder_plugin oggflac_decoder_plugin = { - "oggflac", - oggflac_init, - nullptr, - oggflac_decode, - nullptr, - oggflac_scan_file, - oggflac_scan_stream, - nullptr, - oggflac_suffixes, - oggflac_mime_types, -}; - -static const char *const flac_suffixes[] = { "flac", nullptr }; -static const char *const flac_mime_types[] = { - "application/flac", - "application/x-flac", - "audio/flac", - "audio/x-flac", - nullptr -}; - -const struct decoder_plugin flac_decoder_plugin = { - "flac", - nullptr, - nullptr, - flac_decode, - nullptr, - flac_scan_file, - flac_scan_stream, - nullptr, - flac_suffixes, - flac_mime_types, -}; diff --git a/src/decoder/FLACDecoderPlugin.h b/src/decoder/FLACDecoderPlugin.h deleted file mode 100644 index c99deeef7..000000000 --- a/src/decoder/FLACDecoderPlugin.h +++ /dev/null @@ -1,26 +0,0 @@ -/* - * Copyright (C) 2003-2012 The Music Player Daemon Project - * http://www.musicpd.org - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#ifndef MPD_DECODER_FLAC_H -#define MPD_DECODER_FLAC_H - -extern const struct decoder_plugin flac_decoder_plugin; -extern const struct decoder_plugin oggflac_decoder_plugin; - -#endif diff --git a/src/decoder/FLACIOHandle.cxx b/src/decoder/FLACIOHandle.cxx deleted file mode 100644 index 08ec36e48..000000000 --- a/src/decoder/FLACIOHandle.cxx +++ /dev/null @@ -1,114 +0,0 @@ -/* - * Copyright (C) 2003-2012 The Music Player Daemon Project - * http://www.musicpd.org - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#include "config.h" -#include "FLACIOHandle.hxx" -#include "io_error.h" -#include "gcc.h" - -#include - -static size_t -FLACIORead(void *ptr, size_t size, size_t nmemb, FLAC__IOHandle handle) -{ - input_stream *is = (input_stream *)handle; - - uint8_t *const p0 = (uint8_t *)ptr, *p = p0, - *const end = p0 + size * nmemb; - - /* libFLAC is very picky about short reads, and expects the IO - callback to fill the whole buffer (undocumented!) */ - - GError *error = nullptr; - while (p < end) { - size_t nbytes = input_stream_lock_read(is, p, end - p, &error); - if (nbytes == 0) { - if (error == nullptr) - /* end of file */ - break; - - if (error->domain == errno_quark()) - errno = error->code; - else - /* just some random non-zero - errno value */ - errno = EINVAL; - g_error_free(error); - return 0; - } - - p += nbytes; - } - - /* libFLAC expects a clean errno after returning from the IO - callbacks (undocumented!) */ - errno = 0; - return (p - p0) / size; -} - -static int -FLACIOSeek(FLAC__IOHandle handle, FLAC__int64 offset, int whence) -{ - input_stream *is = (input_stream *)handle; - - return input_stream_lock_seek(is, offset, whence, nullptr) ? 0 : -1; -} - -static FLAC__int64 -FLACIOTell(FLAC__IOHandle handle) -{ - input_stream *is = (input_stream *)handle; - - return is->offset; -} - -static int -FLACIOEof(FLAC__IOHandle handle) -{ - input_stream *is = (input_stream *)handle; - - return input_stream_lock_eof(is); -} - -static int -FLACIOClose(gcc_unused FLAC__IOHandle handle) -{ - /* no-op because the libFLAC caller is repsonsible for closing - the #input_stream */ - - return 0; -} - -const FLAC__IOCallbacks flac_io_callbacks = { - FLACIORead, - nullptr, - nullptr, - nullptr, - FLACIOEof, - FLACIOClose, -}; - -const FLAC__IOCallbacks flac_io_callbacks_seekable = { - FLACIORead, - nullptr, - FLACIOSeek, - FLACIOTell, - FLACIOEof, - FLACIOClose, -}; diff --git a/src/decoder/FLACIOHandle.hxx b/src/decoder/FLACIOHandle.hxx deleted file mode 100644 index 505d2db1a..000000000 --- a/src/decoder/FLACIOHandle.hxx +++ /dev/null @@ -1,45 +0,0 @@ -/* - * Copyright (C) 2003-2012 The Music Player Daemon Project - * http://www.musicpd.org - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#ifndef MPD_FLAC_IO_HANDLE_HXX -#define MPD_FLAC_IO_HANDLE_HXX - -#include "gcc.h" -#include "InputStream.hxx" - -#include - -extern const FLAC__IOCallbacks flac_io_callbacks; -extern const FLAC__IOCallbacks flac_io_callbacks_seekable; - -static inline FLAC__IOHandle -ToFLACIOHandle(input_stream *is) -{ - return (FLAC__IOHandle)is; -} - -static inline const FLAC__IOCallbacks & -GetFLACIOCallbacks(const input_stream *is) -{ - return is->seekable - ? flac_io_callbacks_seekable - : flac_io_callbacks; -} - -#endif diff --git a/src/decoder/FLACInput.cxx b/src/decoder/FLACInput.cxx deleted file mode 100644 index ba0a86ce8..000000000 --- a/src/decoder/FLACInput.cxx +++ /dev/null @@ -1,149 +0,0 @@ -/* - * Copyright (C) 2003-2012 The Music Player Daemon Project - * http://www.musicpd.org - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#include "config.h" -#include "FLACInput.hxx" -#include "decoder_api.h" -#include "gcc.h" -#include "InputStream.hxx" - -FLAC__StreamDecoderReadStatus -FLACInput::Read(FLAC__byte buffer[], size_t *bytes) -{ - size_t r = decoder_read(decoder, input_stream, (void *)buffer, *bytes); - *bytes = r; - - if (r == 0) { - if (input_stream_lock_eof(input_stream) || - (decoder != nullptr && - decoder_get_command(decoder) != DECODE_COMMAND_NONE)) - return FLAC__STREAM_DECODER_READ_STATUS_END_OF_STREAM; - else - return FLAC__STREAM_DECODER_READ_STATUS_ABORT; - } - - return FLAC__STREAM_DECODER_READ_STATUS_CONTINUE; -} - -FLAC__StreamDecoderSeekStatus -FLACInput::Seek(FLAC__uint64 absolute_byte_offset) -{ - if (!input_stream->seekable) - return FLAC__STREAM_DECODER_SEEK_STATUS_UNSUPPORTED; - - if (!input_stream_lock_seek(input_stream, - absolute_byte_offset, SEEK_SET, - nullptr)) - return FLAC__STREAM_DECODER_SEEK_STATUS_ERROR; - - return FLAC__STREAM_DECODER_SEEK_STATUS_OK; -} - -FLAC__StreamDecoderTellStatus -FLACInput::Tell(FLAC__uint64 *absolute_byte_offset) -{ - if (!input_stream->seekable) - return FLAC__STREAM_DECODER_TELL_STATUS_UNSUPPORTED; - - *absolute_byte_offset = (FLAC__uint64)input_stream->offset; - return FLAC__STREAM_DECODER_TELL_STATUS_OK; -} - -FLAC__StreamDecoderLengthStatus -FLACInput::Length(FLAC__uint64 *stream_length) -{ - if (input_stream->size < 0) - return FLAC__STREAM_DECODER_LENGTH_STATUS_UNSUPPORTED; - - *stream_length = (FLAC__uint64)input_stream->size; - return FLAC__STREAM_DECODER_LENGTH_STATUS_OK; -} - -FLAC__bool -FLACInput::Eof() -{ - return (decoder != nullptr && - decoder_get_command(decoder) != DECODE_COMMAND_NONE && - decoder_get_command(decoder) != DECODE_COMMAND_SEEK) || - input_stream_lock_eof(input_stream); -} - -void -FLACInput::Error(FLAC__StreamDecoderErrorStatus status) -{ - if (decoder == nullptr || - decoder_get_command(decoder) != DECODE_COMMAND_STOP) - g_warning("%s", FLAC__StreamDecoderErrorStatusString[status]); -} - -FLAC__StreamDecoderReadStatus -FLACInput::Read(gcc_unused const FLAC__StreamDecoder *flac_decoder, - FLAC__byte buffer[], size_t *bytes, - void *client_data) -{ - FLACInput *i = (FLACInput *)client_data; - - return i->Read(buffer, bytes); -} - -FLAC__StreamDecoderSeekStatus -FLACInput::Seek(gcc_unused const FLAC__StreamDecoder *flac_decoder, - FLAC__uint64 absolute_byte_offset, void *client_data) -{ - FLACInput *i = (FLACInput *)client_data; - - return i->Seek(absolute_byte_offset); -} - -FLAC__StreamDecoderTellStatus -FLACInput::Tell(gcc_unused const FLAC__StreamDecoder *flac_decoder, - FLAC__uint64 *absolute_byte_offset, void *client_data) -{ - FLACInput *i = (FLACInput *)client_data; - - return i->Tell(absolute_byte_offset); -} - -FLAC__StreamDecoderLengthStatus -FLACInput::Length(gcc_unused const FLAC__StreamDecoder *flac_decoder, - FLAC__uint64 *stream_length, void *client_data) -{ - FLACInput *i = (FLACInput *)client_data; - - return i->Length(stream_length); -} - -FLAC__bool -FLACInput::Eof(gcc_unused const FLAC__StreamDecoder *flac_decoder, - void *client_data) -{ - FLACInput *i = (FLACInput *)client_data; - - return i->Eof(); -} - -void -FLACInput::Error(gcc_unused const FLAC__StreamDecoder *decoder, - FLAC__StreamDecoderErrorStatus status, void *client_data) -{ - FLACInput *i = (FLACInput *)client_data; - - i->Error(status); -} - diff --git a/src/decoder/FLACInput.hxx b/src/decoder/FLACInput.hxx deleted file mode 100644 index 7661567d1..000000000 --- a/src/decoder/FLACInput.hxx +++ /dev/null @@ -1,72 +0,0 @@ -/* - * Copyright (C) 2003-2012 The Music Player Daemon Project - * http://www.musicpd.org - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#ifndef MPD_FLAC_INPUT_HXX -#define MPD_FLAC_INPUT_HXX - -#include - -/** - * This class wraps an #input_stream in libFLAC stream decoder - * callbacks. - */ -class FLACInput { - struct decoder *decoder; - - struct input_stream *input_stream; - -public: - FLACInput(struct input_stream *_input_stream, - struct decoder *_decoder=nullptr) - :decoder(_decoder), input_stream(_input_stream) {} - -protected: - FLAC__StreamDecoderReadStatus Read(FLAC__byte buffer[], size_t *bytes); - FLAC__StreamDecoderSeekStatus Seek(FLAC__uint64 absolute_byte_offset); - FLAC__StreamDecoderTellStatus Tell(FLAC__uint64 *absolute_byte_offset); - FLAC__StreamDecoderLengthStatus Length(FLAC__uint64 *stream_length); - FLAC__bool Eof(); - void Error(FLAC__StreamDecoderErrorStatus status); - -public: - static FLAC__StreamDecoderReadStatus - Read(const FLAC__StreamDecoder *flac_decoder, - FLAC__byte buffer[], size_t *bytes, void *client_data); - - static FLAC__StreamDecoderSeekStatus - Seek(const FLAC__StreamDecoder *flac_decoder, - FLAC__uint64 absolute_byte_offset, void *client_data); - - static FLAC__StreamDecoderTellStatus - Tell(const FLAC__StreamDecoder *flac_decoder, - FLAC__uint64 *absolute_byte_offset, void *client_data); - - static FLAC__StreamDecoderLengthStatus - Length(const FLAC__StreamDecoder *flac_decoder, - FLAC__uint64 *stream_length, void *client_data); - - static FLAC__bool - Eof(const FLAC__StreamDecoder *flac_decoder, void *client_data); - - static void - Error(const FLAC__StreamDecoder *decoder, - FLAC__StreamDecoderErrorStatus status, void *client_data); -}; - -#endif diff --git a/src/decoder/FLACMetaData.cxx b/src/decoder/FLACMetaData.cxx deleted file mode 100644 index 8273a230b..000000000 --- a/src/decoder/FLACMetaData.cxx +++ /dev/null @@ -1,253 +0,0 @@ -/* - * Copyright (C) 2003-2012 The Music Player Daemon Project - * http://www.musicpd.org - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#include "config.h" -#include "FLACMetaData.hxx" - -extern "C" { -#include "XiphTags.h" -} - -#include "tag.h" -#include "tag_handler.h" -#include "tag_table.h" -#include "replay_gain_info.h" - -#include - -#include -#include - -static bool -flac_find_float_comment(const FLAC__StreamMetadata *block, - const char *cmnt, float *fl) -{ - int offset; - size_t pos; - int len; - unsigned char tmp, *p; - - offset = FLAC__metadata_object_vorbiscomment_find_entry_from(block, 0, - cmnt); - if (offset < 0) - return false; - - pos = strlen(cmnt) + 1; /* 1 is for '=' */ - len = block->data.vorbis_comment.comments[offset].length - pos; - if (len <= 0) - return false; - - p = &block->data.vorbis_comment.comments[offset].entry[pos]; - tmp = p[len]; - p[len] = '\0'; - *fl = (float)atof((char *)p); - p[len] = tmp; - - return true; -} - -bool -flac_parse_replay_gain(struct replay_gain_info *rgi, - const FLAC__StreamMetadata *block) -{ - bool found = false; - - replay_gain_info_init(rgi); - - if (flac_find_float_comment(block, "replaygain_album_gain", - &rgi->tuples[REPLAY_GAIN_ALBUM].gain)) - found = true; - if (flac_find_float_comment(block, "replaygain_album_peak", - &rgi->tuples[REPLAY_GAIN_ALBUM].peak)) - found = true; - if (flac_find_float_comment(block, "replaygain_track_gain", - &rgi->tuples[REPLAY_GAIN_TRACK].gain)) - found = true; - if (flac_find_float_comment(block, "replaygain_track_peak", - &rgi->tuples[REPLAY_GAIN_TRACK].peak)) - found = true; - - return found; -} - -static bool -flac_find_string_comment(const FLAC__StreamMetadata *block, - const char *cmnt, char **str) -{ - int offset; - size_t pos; - int len; - const unsigned char *p; - - *str = nullptr; - offset = FLAC__metadata_object_vorbiscomment_find_entry_from(block, 0, - cmnt); - if (offset < 0) - return false; - - pos = strlen(cmnt) + 1; /* 1 is for '=' */ - len = block->data.vorbis_comment.comments[offset].length - pos; - if (len <= 0) - return false; - - p = &block->data.vorbis_comment.comments[offset].entry[pos]; - *str = g_strndup((const char *)p, len); - - return true; -} - -bool -flac_parse_mixramp(char **mixramp_start, char **mixramp_end, - const FLAC__StreamMetadata *block) -{ - bool found = false; - - if (flac_find_string_comment(block, "mixramp_start", mixramp_start)) - found = true; - if (flac_find_string_comment(block, "mixramp_end", mixramp_end)) - found = true; - - return found; -} - -/** - * Checks if the specified name matches the entry's name, and if yes, - * returns the comment value (not null-temrinated). - */ -static const char * -flac_comment_value(const FLAC__StreamMetadata_VorbisComment_Entry *entry, - const char *name, size_t *length_r) -{ - size_t name_length = strlen(name); - const char *comment = (const char*)entry->entry; - - if (entry->length <= name_length || - g_ascii_strncasecmp(comment, name, name_length) != 0) - return nullptr; - - if (comment[name_length] == '=') { - *length_r = entry->length - name_length - 1; - return comment + name_length + 1; - } - - return nullptr; -} - -/** - * Check if the comment's name equals the passed name, and if so, copy - * the comment value into the tag. - */ -static bool -flac_copy_comment(const FLAC__StreamMetadata_VorbisComment_Entry *entry, - const char *name, enum tag_type tag_type, - const struct tag_handler *handler, void *handler_ctx) -{ - const char *value; - size_t value_length; - - value = flac_comment_value(entry, name, &value_length); - if (value != nullptr) { - char *p = g_strndup(value, value_length); - tag_handler_invoke_tag(handler, handler_ctx, tag_type, p); - g_free(p); - return true; - } - - return false; -} - -static void -flac_scan_comment(const FLAC__StreamMetadata_VorbisComment_Entry *entry, - const struct tag_handler *handler, void *handler_ctx) -{ - if (handler->pair != nullptr) { - char *name = g_strdup((const char*)entry->entry); - char *value = strchr(name, '='); - - if (value != nullptr && value > name) { - *value++ = 0; - tag_handler_invoke_pair(handler, handler_ctx, - name, value); - } - - g_free(name); - } - - for (const struct tag_table *i = xiph_tags; i->name != nullptr; ++i) - if (flac_copy_comment(entry, i->name, i->type, - handler, handler_ctx)) - return; - - for (unsigned i = 0; i < TAG_NUM_OF_ITEM_TYPES; ++i) - if (flac_copy_comment(entry, - tag_item_names[i], (enum tag_type)i, - handler, handler_ctx)) - return; -} - -static void -flac_scan_comments(const FLAC__StreamMetadata_VorbisComment *comment, - const struct tag_handler *handler, void *handler_ctx) -{ - for (unsigned i = 0; i < comment->num_comments; ++i) - flac_scan_comment(&comment->comments[i], - handler, handler_ctx); -} - -void -flac_scan_metadata(const FLAC__StreamMetadata *block, - const struct tag_handler *handler, void *handler_ctx) -{ - switch (block->type) { - case FLAC__METADATA_TYPE_VORBIS_COMMENT: - flac_scan_comments(&block->data.vorbis_comment, - handler, handler_ctx); - break; - - case FLAC__METADATA_TYPE_STREAMINFO: - if (block->data.stream_info.sample_rate > 0) - tag_handler_invoke_duration(handler, handler_ctx, - flac_duration(&block->data.stream_info)); - break; - - default: - break; - } -} - -void -flac_vorbis_comments_to_tag(struct tag *tag, - const FLAC__StreamMetadata_VorbisComment *comment) -{ - flac_scan_comments(comment, &add_tag_handler, tag); -} - -void -FLACMetadataChain::Scan(const struct tag_handler *handler, void *handler_ctx) -{ - FLACMetadataIterator iterator(*this); - - do { - FLAC__StreamMetadata *block = iterator.GetBlock(); - if (block == nullptr) - break; - - flac_scan_metadata(block, handler, handler_ctx); - } while (iterator.Next()); -} diff --git a/src/decoder/FLACMetaData.hxx b/src/decoder/FLACMetaData.hxx deleted file mode 100644 index 0eceec23c..000000000 --- a/src/decoder/FLACMetaData.hxx +++ /dev/null @@ -1,140 +0,0 @@ -/* - * Copyright (C) 2003-2012 The Music Player Daemon Project - * http://www.musicpd.org - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#ifndef MPD_FLAC_METADATA_H -#define MPD_FLAC_METADATA_H - -#include "gcc.h" -#include "FLACIOHandle.hxx" - -#include - -#include - -class FLACMetadataChain { - FLAC__Metadata_Chain *chain; - -public: - FLACMetadataChain():chain(::FLAC__metadata_chain_new()) {} - - ~FLACMetadataChain() { - ::FLAC__metadata_chain_delete(chain); - } - - explicit operator FLAC__Metadata_Chain *() { - return chain; - } - - bool Read(const char *path) { - return ::FLAC__metadata_chain_read(chain, path); - } - - bool Read(FLAC__IOHandle handle, FLAC__IOCallbacks callbacks) { - return ::FLAC__metadata_chain_read_with_callbacks(chain, - handle, - callbacks); - } - - bool Read(input_stream *is) { - return Read(::ToFLACIOHandle(is), ::GetFLACIOCallbacks(is)); - } - - bool ReadOgg(const char *path) { - return ::FLAC__metadata_chain_read_ogg(chain, path); - } - - bool ReadOgg(FLAC__IOHandle handle, FLAC__IOCallbacks callbacks) { - return ::FLAC__metadata_chain_read_ogg_with_callbacks(chain, - handle, - callbacks); - } - - bool ReadOgg(input_stream *is) { - return ReadOgg(::ToFLACIOHandle(is), ::GetFLACIOCallbacks(is)); - } - - gcc_pure - FLAC__Metadata_ChainStatus GetStatus() const { - return ::FLAC__metadata_chain_status(chain); - } - - gcc_pure - const char *GetStatusString() const { - return FLAC__Metadata_ChainStatusString[GetStatus()]; - } - - void Scan(const struct tag_handler *handler, void *handler_ctx); -}; - -class FLACMetadataIterator { - FLAC__Metadata_Iterator *iterator; - -public: - FLACMetadataIterator():iterator(::FLAC__metadata_iterator_new()) {} - - FLACMetadataIterator(FLACMetadataChain &chain) - :iterator(::FLAC__metadata_iterator_new()) { - ::FLAC__metadata_iterator_init(iterator, - (FLAC__Metadata_Chain *)chain); - } - - ~FLACMetadataIterator() { - ::FLAC__metadata_iterator_delete(iterator); - } - - bool Next() { - return ::FLAC__metadata_iterator_next(iterator); - } - - gcc_pure - FLAC__StreamMetadata *GetBlock() { - return ::FLAC__metadata_iterator_get_block(iterator); - } -}; - -struct tag_handler; -struct tag; -struct replay_gain_info; - -static inline unsigned -flac_duration(const FLAC__StreamMetadata_StreamInfo *stream_info) -{ - assert(stream_info->sample_rate > 0); - - return (stream_info->total_samples + stream_info->sample_rate - 1) / - stream_info->sample_rate; -} - -bool -flac_parse_replay_gain(struct replay_gain_info *rgi, - const FLAC__StreamMetadata *block); - -bool -flac_parse_mixramp(char **mixramp_start, char **mixramp_end, - const FLAC__StreamMetadata *block); - -void -flac_vorbis_comments_to_tag(struct tag *tag, - const FLAC__StreamMetadata_VorbisComment *comment); - -void -flac_scan_metadata(const FLAC__StreamMetadata *block, - const struct tag_handler *handler, void *handler_ctx); - -#endif diff --git a/src/decoder/FLAC_PCM.cxx b/src/decoder/FLAC_PCM.cxx deleted file mode 100644 index 303530aa7..000000000 --- a/src/decoder/FLAC_PCM.cxx +++ /dev/null @@ -1,110 +0,0 @@ -/* - * Copyright (C) 2003-2012 The Music Player Daemon Project - * http://www.musicpd.org - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#include "config.h" -#include "FLAC_PCM.hxx" - -#include - -static void flac_convert_stereo16(int16_t *dest, - const FLAC__int32 * const buf[], - unsigned int position, unsigned int end) -{ - for (; position < end; ++position) { - *dest++ = buf[0][position]; - *dest++ = buf[1][position]; - } -} - -static void -flac_convert_16(int16_t *dest, - unsigned int num_channels, - const FLAC__int32 * const buf[], - unsigned int position, unsigned int end) -{ - unsigned int c_chan; - - for (; position < end; ++position) - for (c_chan = 0; c_chan < num_channels; c_chan++) - *dest++ = buf[c_chan][position]; -} - -/** - * Note: this function also handles 24 bit files! - */ -static void -flac_convert_32(int32_t *dest, - unsigned int num_channels, - const FLAC__int32 * const buf[], - unsigned int position, unsigned int end) -{ - unsigned int c_chan; - - for (; position < end; ++position) - for (c_chan = 0; c_chan < num_channels; c_chan++) - *dest++ = buf[c_chan][position]; -} - -static void -flac_convert_8(int8_t *dest, - unsigned int num_channels, - const FLAC__int32 * const buf[], - unsigned int position, unsigned int end) -{ - unsigned int c_chan; - - for (; position < end; ++position) - for (c_chan = 0; c_chan < num_channels; c_chan++) - *dest++ = buf[c_chan][position]; -} - -void -flac_convert(void *dest, - unsigned int num_channels, enum sample_format sample_format, - const FLAC__int32 *const buf[], - unsigned int position, unsigned int end) -{ - switch (sample_format) { - case SAMPLE_FORMAT_S16: - if (num_channels == 2) - flac_convert_stereo16((int16_t*)dest, buf, - position, end); - else - flac_convert_16((int16_t*)dest, num_channels, buf, - position, end); - break; - - case SAMPLE_FORMAT_S24_P32: - case SAMPLE_FORMAT_S32: - flac_convert_32((int32_t*)dest, num_channels, buf, - position, end); - break; - - case SAMPLE_FORMAT_S8: - flac_convert_8((int8_t*)dest, num_channels, buf, - position, end); - break; - - case SAMPLE_FORMAT_FLOAT: - case SAMPLE_FORMAT_DSD: - case SAMPLE_FORMAT_UNDEFINED: - /* unreachable */ - assert(false); - } -} diff --git a/src/decoder/FLAC_PCM.hxx b/src/decoder/FLAC_PCM.hxx deleted file mode 100644 index 97d214c17..000000000 --- a/src/decoder/FLAC_PCM.hxx +++ /dev/null @@ -1,33 +0,0 @@ -/* - * Copyright (C) 2003-2012 The Music Player Daemon Project - * http://www.musicpd.org - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#ifndef MPD_FLAC_PCM_HXX -#define MPD_FLAC_PCM_HXX - -#include "audio_format.h" - -#include - -void -flac_convert(void *dest, - unsigned int num_channels, enum sample_format sample_format, - const FLAC__int32 *const buf[], - unsigned int position, unsigned int end); - -#endif diff --git a/src/decoder/FlacCommon.cxx b/src/decoder/FlacCommon.cxx new file mode 100644 index 000000000..425ab55df --- /dev/null +++ b/src/decoder/FlacCommon.cxx @@ -0,0 +1,213 @@ +/* + * Copyright (C) 2003-2012 The Music Player Daemon Project + * http://www.musicpd.org + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +/* + * Common data structures and functions used by FLAC and OggFLAC + */ + +#include "config.h" +#include "FlacCommon.hxx" +#include "FlacMetadata.hxx" +#include "FlacPcm.hxx" + +extern "C" { +#include "audio_check.h" +} + +#include + +#include + +flac_data::flac_data(struct decoder *_decoder, + struct input_stream *_input_stream) + :FlacInput(_input_stream, _decoder), + initialized(false), unsupported(false), + total_frames(0), first_frame(0), next_frame(0), position(0), + decoder(_decoder), input_stream(_input_stream), + tag(nullptr) +{ + pcm_buffer_init(&buffer); +} + +flac_data::~flac_data() +{ + pcm_buffer_deinit(&buffer); + + if (tag != nullptr) + tag_free(tag); +} + +static enum sample_format +flac_sample_format(unsigned bits_per_sample) +{ + switch (bits_per_sample) { + case 8: + return SAMPLE_FORMAT_S8; + + case 16: + return SAMPLE_FORMAT_S16; + + case 24: + return SAMPLE_FORMAT_S24_P32; + + case 32: + return SAMPLE_FORMAT_S32; + + default: + return SAMPLE_FORMAT_UNDEFINED; + } +} + +static void +flac_got_stream_info(struct flac_data *data, + const FLAC__StreamMetadata_StreamInfo *stream_info) +{ + if (data->initialized || data->unsupported) + return; + + GError *error = nullptr; + if (!audio_format_init_checked(&data->audio_format, + stream_info->sample_rate, + flac_sample_format(stream_info->bits_per_sample), + stream_info->channels, &error)) { + g_warning("%s", error->message); + g_error_free(error); + data->unsupported = true; + return; + } + + data->frame_size = audio_format_frame_size(&data->audio_format); + + if (data->total_frames == 0) + data->total_frames = stream_info->total_samples; + + data->initialized = true; +} + +void flac_metadata_common_cb(const FLAC__StreamMetadata * block, + struct flac_data *data) +{ + if (data->unsupported) + return; + + struct replay_gain_info rgi; + char *mixramp_start; + char *mixramp_end; + + switch (block->type) { + case FLAC__METADATA_TYPE_STREAMINFO: + flac_got_stream_info(data, &block->data.stream_info); + break; + + case FLAC__METADATA_TYPE_VORBIS_COMMENT: + if (flac_parse_replay_gain(&rgi, block)) + decoder_replay_gain(data->decoder, &rgi); + + if (flac_parse_mixramp(&mixramp_start, &mixramp_end, block)) + decoder_mixramp(data->decoder, + mixramp_start, mixramp_end); + + if (data->tag != nullptr) + flac_vorbis_comments_to_tag(data->tag, + &block->data.vorbis_comment); + + default: + break; + } +} + +/** + * This function attempts to call decoder_initialized() in case there + * was no STREAMINFO block. This is allowed for nonseekable streams, + * where the server sends us only a part of the file, without + * providing the STREAMINFO block from the beginning of the file + * (e.g. when seeking with SqueezeBox Server). + */ +static bool +flac_got_first_frame(struct flac_data *data, const FLAC__FrameHeader *header) +{ + if (data->unsupported) + return false; + + GError *error = nullptr; + if (!audio_format_init_checked(&data->audio_format, + header->sample_rate, + flac_sample_format(header->bits_per_sample), + header->channels, &error)) { + g_warning("%s", error->message); + g_error_free(error); + data->unsupported = true; + return false; + } + + data->frame_size = audio_format_frame_size(&data->audio_format); + + decoder_initialized(data->decoder, &data->audio_format, + data->input_stream->seekable, + (float)data->total_frames / + (float)data->audio_format.sample_rate); + + data->initialized = true; + + return true; +} + +FLAC__StreamDecoderWriteStatus +flac_common_write(struct flac_data *data, const FLAC__Frame * frame, + const FLAC__int32 *const buf[], + FLAC__uint64 nbytes) +{ + enum decoder_command cmd; + void *buffer; + unsigned bit_rate; + + if (!data->initialized && !flac_got_first_frame(data, &frame->header)) + return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT; + + size_t buffer_size = frame->header.blocksize * data->frame_size; + buffer = pcm_buffer_get(&data->buffer, buffer_size); + + flac_convert(buffer, frame->header.channels, + (enum sample_format)data->audio_format.format, buf, + 0, frame->header.blocksize); + + if (nbytes > 0) + bit_rate = nbytes * 8 * frame->header.sample_rate / + (1000 * frame->header.blocksize); + else + bit_rate = 0; + + cmd = decoder_data(data->decoder, data->input_stream, + buffer, buffer_size, + bit_rate); + data->next_frame += frame->header.blocksize; + switch (cmd) { + case DECODE_COMMAND_NONE: + case DECODE_COMMAND_START: + break; + + case DECODE_COMMAND_STOP: + return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT; + + case DECODE_COMMAND_SEEK: + return FLAC__STREAM_DECODER_WRITE_STATUS_CONTINUE; + } + + return FLAC__STREAM_DECODER_WRITE_STATUS_CONTINUE; +} diff --git a/src/decoder/FlacCommon.hxx b/src/decoder/FlacCommon.hxx new file mode 100644 index 000000000..0cd295e0d --- /dev/null +++ b/src/decoder/FlacCommon.hxx @@ -0,0 +1,101 @@ +/* + * Copyright (C) 2003-2012 The Music Player Daemon Project + * http://www.musicpd.org + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +/* + * Common data structures and functions used by FLAC and OggFLAC + */ + +#ifndef MPD_FLAC_COMMON_HXX +#define MPD_FLAC_COMMON_HXX + +#include "FlacInput.hxx" +#include "decoder_api.h" + +extern "C" { +#include "pcm/pcm_buffer.h" +} + +#include +#include + +#undef G_LOG_DOMAIN +#define G_LOG_DOMAIN "flac" + +struct flac_data : public FlacInput { + struct pcm_buffer buffer; + + /** + * The size of one frame in the output buffer. + */ + unsigned frame_size; + + /** + * Has decoder_initialized() been called yet? + */ + bool initialized; + + /** + * Does the FLAC file contain an unsupported audio format? + */ + bool unsupported; + + /** + * The validated audio format of the FLAC file. This + * attribute is defined if "initialized" is true. + */ + struct audio_format audio_format; + + /** + * The total number of frames in this song. The decoder + * plugin may initialize this attribute to override the value + * provided by libFLAC (e.g. for sub songs from a CUE sheet). + */ + FLAC__uint64 total_frames; + + /** + * The number of the first frame in this song. This is only + * non-zero if playing sub songs from a CUE sheet. + */ + FLAC__uint64 first_frame; + + /** + * The number of the next frame which is going to be decoded. + */ + FLAC__uint64 next_frame; + + FLAC__uint64 position; + + struct decoder *decoder; + struct input_stream *input_stream; + + struct tag *tag; + + flac_data(struct decoder *decoder, struct input_stream *input_stream); + ~flac_data(); +}; + +void flac_metadata_common_cb(const FLAC__StreamMetadata * block, + struct flac_data *data); + +FLAC__StreamDecoderWriteStatus +flac_common_write(struct flac_data *data, const FLAC__Frame * frame, + const FLAC__int32 *const buf[], + FLAC__uint64 nbytes); + +#endif /* _FLAC_COMMON_H */ diff --git a/src/decoder/FlacDecoderPlugin.cxx b/src/decoder/FlacDecoderPlugin.cxx new file mode 100644 index 000000000..cd15b4b29 --- /dev/null +++ b/src/decoder/FlacDecoderPlugin.cxx @@ -0,0 +1,383 @@ +/* + * Copyright (C) 2003-2012 The Music Player Daemon Project + * http://www.musicpd.org + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#include "config.h" /* must be first for large file support */ +#include "FlacDecoderPlugin.h" +#include "FlacCommon.hxx" +#include "FlacMetadata.hxx" +#include "OggCodec.hxx" + +#include + +#include +#include + +#include +#include + +#if !defined(FLAC_API_VERSION_CURRENT) || FLAC_API_VERSION_CURRENT <= 7 +#error libFLAC is too old +#endif + +static void flacPrintErroredState(FLAC__StreamDecoderState state) +{ + switch (state) { + case FLAC__STREAM_DECODER_SEARCH_FOR_METADATA: + case FLAC__STREAM_DECODER_READ_METADATA: + case FLAC__STREAM_DECODER_SEARCH_FOR_FRAME_SYNC: + case FLAC__STREAM_DECODER_READ_FRAME: + case FLAC__STREAM_DECODER_END_OF_STREAM: + return; + + case FLAC__STREAM_DECODER_OGG_ERROR: + case FLAC__STREAM_DECODER_SEEK_ERROR: + case FLAC__STREAM_DECODER_ABORTED: + case FLAC__STREAM_DECODER_MEMORY_ALLOCATION_ERROR: + case FLAC__STREAM_DECODER_UNINITIALIZED: + break; + } + + g_warning("%s\n", FLAC__StreamDecoderStateString[state]); +} + +static void flacMetadata(G_GNUC_UNUSED const FLAC__StreamDecoder * dec, + const FLAC__StreamMetadata * block, void *vdata) +{ + flac_metadata_common_cb(block, (struct flac_data *) vdata); +} + +static FLAC__StreamDecoderWriteStatus +flac_write_cb(const FLAC__StreamDecoder *dec, const FLAC__Frame *frame, + const FLAC__int32 *const buf[], void *vdata) +{ + struct flac_data *data = (struct flac_data *) vdata; + FLAC__uint64 nbytes = 0; + + if (FLAC__stream_decoder_get_decode_position(dec, &nbytes)) { + if (data->position > 0 && nbytes > data->position) { + nbytes -= data->position; + data->position += nbytes; + } else { + data->position = nbytes; + nbytes = 0; + } + } else + nbytes = 0; + + return flac_common_write(data, frame, buf, nbytes); +} + +static bool +flac_scan_file(const char *file, + const struct tag_handler *handler, void *handler_ctx) +{ + FlacMetadataChain chain; + if (!chain.Read(file)) { + g_debug("Failed to read FLAC tags: %s", + chain.GetStatusString()); + return false; + } + + chain.Scan(handler, handler_ctx); + return true; +} + +static bool +flac_scan_stream(struct input_stream *is, + const struct tag_handler *handler, void *handler_ctx) +{ + FlacMetadataChain chain; + if (!chain.Read(is)) { + g_debug("Failed to read FLAC tags: %s", + chain.GetStatusString()); + return false; + } + + chain.Scan(handler, handler_ctx); + return true; +} + +/** + * Some glue code around FLAC__stream_decoder_new(). + */ +static FLAC__StreamDecoder * +flac_decoder_new(void) +{ + FLAC__StreamDecoder *sd = FLAC__stream_decoder_new(); + if (sd == nullptr) { + g_warning("FLAC__stream_decoder_new() failed"); + return nullptr; + } + + if(!FLAC__stream_decoder_set_metadata_respond(sd, FLAC__METADATA_TYPE_VORBIS_COMMENT)) + g_debug("FLAC__stream_decoder_set_metadata_respond() has failed"); + + return sd; +} + +static bool +flac_decoder_initialize(struct flac_data *data, FLAC__StreamDecoder *sd, + FLAC__uint64 duration) +{ + data->total_frames = duration; + + if (!FLAC__stream_decoder_process_until_end_of_metadata(sd)) { + g_warning("problem reading metadata"); + return false; + } + + if (data->initialized) { + /* done */ + decoder_initialized(data->decoder, &data->audio_format, + data->input_stream->seekable, + (float)data->total_frames / + (float)data->audio_format.sample_rate); + return true; + } + + if (data->input_stream->seekable) + /* allow the workaround below only for nonseekable + streams*/ + return false; + + /* no stream_info packet found; try to initialize the decoder + from the first frame header */ + FLAC__stream_decoder_process_single(sd); + return data->initialized; +} + +static void +flac_decoder_loop(struct flac_data *data, FLAC__StreamDecoder *flac_dec, + FLAC__uint64 t_start, FLAC__uint64 t_end) +{ + struct decoder *decoder = data->decoder; + enum decoder_command cmd; + + data->first_frame = t_start; + + while (true) { + if (data->tag != nullptr && !tag_is_empty(data->tag)) { + cmd = decoder_tag(data->decoder, data->input_stream, + data->tag); + tag_free(data->tag); + data->tag = tag_new(); + } else + cmd = decoder_get_command(decoder); + + if (cmd == DECODE_COMMAND_SEEK) { + FLAC__uint64 seek_sample = t_start + + decoder_seek_where(decoder) * + data->audio_format.sample_rate; + if (seek_sample >= t_start && + (t_end == 0 || seek_sample <= t_end) && + FLAC__stream_decoder_seek_absolute(flac_dec, seek_sample)) { + data->next_frame = seek_sample; + data->position = 0; + decoder_command_finished(decoder); + } else + decoder_seek_error(decoder); + } else if (cmd == DECODE_COMMAND_STOP || + FLAC__stream_decoder_get_state(flac_dec) == FLAC__STREAM_DECODER_END_OF_STREAM) + break; + + if (t_end != 0 && data->next_frame >= t_end) + /* end of this sub track */ + break; + + if (!FLAC__stream_decoder_process_single(flac_dec) && + decoder_get_command(decoder) == DECODE_COMMAND_NONE) { + /* a failure that was not triggered by a + decoder command */ + flacPrintErroredState(FLAC__stream_decoder_get_state(flac_dec)); + break; + } + } +} + +static FLAC__StreamDecoderInitStatus +stream_init_oggflac(FLAC__StreamDecoder *flac_dec, struct flac_data *data) +{ + return FLAC__stream_decoder_init_ogg_stream(flac_dec, + FlacInput::Read, + FlacInput::Seek, + FlacInput::Tell, + FlacInput::Length, + FlacInput::Eof, + flac_write_cb, + flacMetadata, + FlacInput::Error, + data); +} + +static FLAC__StreamDecoderInitStatus +stream_init_flac(FLAC__StreamDecoder *flac_dec, struct flac_data *data) +{ + return FLAC__stream_decoder_init_stream(flac_dec, + FlacInput::Read, + FlacInput::Seek, + FlacInput::Tell, + FlacInput::Length, + FlacInput::Eof, + flac_write_cb, + flacMetadata, + FlacInput::Error, + data); +} + +static FLAC__StreamDecoderInitStatus +stream_init(FLAC__StreamDecoder *flac_dec, struct flac_data *data, bool is_ogg) +{ + return is_ogg + ? stream_init_oggflac(flac_dec, data) + : stream_init_flac(flac_dec, data); +} + +static void +flac_decode_internal(struct decoder * decoder, + struct input_stream *input_stream, + bool is_ogg) +{ + FLAC__StreamDecoder *flac_dec; + + flac_dec = flac_decoder_new(); + if (flac_dec == nullptr) + return; + + struct flac_data data(decoder, input_stream); + data.tag = tag_new(); + + FLAC__StreamDecoderInitStatus status = + stream_init(flac_dec, &data, is_ogg); + if (status != FLAC__STREAM_DECODER_INIT_STATUS_OK) { + FLAC__stream_decoder_delete(flac_dec); + g_warning("%s", FLAC__StreamDecoderInitStatusString[status]); + return; + } + + if (!flac_decoder_initialize(&data, flac_dec, 0)) { + FLAC__stream_decoder_finish(flac_dec); + FLAC__stream_decoder_delete(flac_dec); + return; + } + + flac_decoder_loop(&data, flac_dec, 0, 0); + + FLAC__stream_decoder_finish(flac_dec); + FLAC__stream_decoder_delete(flac_dec); +} + +static void +flac_decode(struct decoder * decoder, struct input_stream *input_stream) +{ + flac_decode_internal(decoder, input_stream, false); +} + +static bool +oggflac_init(G_GNUC_UNUSED const struct config_param *param) +{ + return !!FLAC_API_SUPPORTS_OGG_FLAC; +} + +static bool +oggflac_scan_file(const char *file, + const struct tag_handler *handler, void *handler_ctx) +{ + FlacMetadataChain chain; + if (!chain.ReadOgg(file)) { + g_debug("Failed to read OggFLAC tags: %s", + chain.GetStatusString()); + return false; + } + + chain.Scan(handler, handler_ctx); + return true; +} + +static bool +oggflac_scan_stream(struct input_stream *is, + const struct tag_handler *handler, void *handler_ctx) +{ + FlacMetadataChain chain; + if (!chain.ReadOgg(is)) { + g_debug("Failed to read OggFLAC tags: %s", + chain.GetStatusString()); + return false; + } + + chain.Scan(handler, handler_ctx); + return true; +} + +static void +oggflac_decode(struct decoder *decoder, struct input_stream *input_stream) +{ + if (ogg_codec_detect(decoder, input_stream) != OGG_CODEC_FLAC) + return; + + /* rewind the stream, because ogg_codec_detect() has + moved it */ + input_stream_lock_seek(input_stream, 0, SEEK_SET, nullptr); + + flac_decode_internal(decoder, input_stream, true); +} + +static const char *const oggflac_suffixes[] = { "ogg", "oga", nullptr }; +static const char *const oggflac_mime_types[] = { + "application/ogg", + "application/x-ogg", + "audio/ogg", + "audio/x-flac+ogg", + "audio/x-ogg", + nullptr +}; + +const struct decoder_plugin oggflac_decoder_plugin = { + "oggflac", + oggflac_init, + nullptr, + oggflac_decode, + nullptr, + oggflac_scan_file, + oggflac_scan_stream, + nullptr, + oggflac_suffixes, + oggflac_mime_types, +}; + +static const char *const flac_suffixes[] = { "flac", nullptr }; +static const char *const flac_mime_types[] = { + "application/flac", + "application/x-flac", + "audio/flac", + "audio/x-flac", + nullptr +}; + +const struct decoder_plugin flac_decoder_plugin = { + "flac", + nullptr, + nullptr, + flac_decode, + nullptr, + flac_scan_file, + flac_scan_stream, + nullptr, + flac_suffixes, + flac_mime_types, +}; diff --git a/src/decoder/FlacDecoderPlugin.h b/src/decoder/FlacDecoderPlugin.h new file mode 100644 index 000000000..c99deeef7 --- /dev/null +++ b/src/decoder/FlacDecoderPlugin.h @@ -0,0 +1,26 @@ +/* + * Copyright (C) 2003-2012 The Music Player Daemon Project + * http://www.musicpd.org + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifndef MPD_DECODER_FLAC_H +#define MPD_DECODER_FLAC_H + +extern const struct decoder_plugin flac_decoder_plugin; +extern const struct decoder_plugin oggflac_decoder_plugin; + +#endif diff --git a/src/decoder/FlacIOHandle.cxx b/src/decoder/FlacIOHandle.cxx new file mode 100644 index 000000000..16a07a9d1 --- /dev/null +++ b/src/decoder/FlacIOHandle.cxx @@ -0,0 +1,114 @@ +/* + * Copyright (C) 2003-2012 The Music Player Daemon Project + * http://www.musicpd.org + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#include "config.h" +#include "FlacIOHandle.hxx" +#include "io_error.h" +#include "gcc.h" + +#include + +static size_t +FlacIORead(void *ptr, size_t size, size_t nmemb, FLAC__IOHandle handle) +{ + input_stream *is = (input_stream *)handle; + + uint8_t *const p0 = (uint8_t *)ptr, *p = p0, + *const end = p0 + size * nmemb; + + /* libFLAC is very picky about short reads, and expects the IO + callback to fill the whole buffer (undocumented!) */ + + GError *error = nullptr; + while (p < end) { + size_t nbytes = input_stream_lock_read(is, p, end - p, &error); + if (nbytes == 0) { + if (error == nullptr) + /* end of file */ + break; + + if (error->domain == errno_quark()) + errno = error->code; + else + /* just some random non-zero + errno value */ + errno = EINVAL; + g_error_free(error); + return 0; + } + + p += nbytes; + } + + /* libFLAC expects a clean errno after returning from the IO + callbacks (undocumented!) */ + errno = 0; + return (p - p0) / size; +} + +static int +FlacIOSeek(FLAC__IOHandle handle, FLAC__int64 offset, int whence) +{ + input_stream *is = (input_stream *)handle; + + return input_stream_lock_seek(is, offset, whence, nullptr) ? 0 : -1; +} + +static FLAC__int64 +FlacIOTell(FLAC__IOHandle handle) +{ + input_stream *is = (input_stream *)handle; + + return is->offset; +} + +static int +FlacIOEof(FLAC__IOHandle handle) +{ + input_stream *is = (input_stream *)handle; + + return input_stream_lock_eof(is); +} + +static int +FlacIOClose(gcc_unused FLAC__IOHandle handle) +{ + /* no-op because the libFLAC caller is repsonsible for closing + the #input_stream */ + + return 0; +} + +const FLAC__IOCallbacks flac_io_callbacks = { + FlacIORead, + nullptr, + nullptr, + nullptr, + FlacIOEof, + FlacIOClose, +}; + +const FLAC__IOCallbacks flac_io_callbacks_seekable = { + FlacIORead, + nullptr, + FlacIOSeek, + FlacIOTell, + FlacIOEof, + FlacIOClose, +}; diff --git a/src/decoder/FlacIOHandle.hxx b/src/decoder/FlacIOHandle.hxx new file mode 100644 index 000000000..3216dafa4 --- /dev/null +++ b/src/decoder/FlacIOHandle.hxx @@ -0,0 +1,45 @@ +/* + * Copyright (C) 2003-2012 The Music Player Daemon Project + * http://www.musicpd.org + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifndef MPD_FLAC_IO_HANDLE_HXX +#define MPD_FLAC_IO_HANDLE_HXX + +#include "gcc.h" +#include "InputStream.hxx" + +#include + +extern const FLAC__IOCallbacks flac_io_callbacks; +extern const FLAC__IOCallbacks flac_io_callbacks_seekable; + +static inline FLAC__IOHandle +ToFlacIOHandle(input_stream *is) +{ + return (FLAC__IOHandle)is; +} + +static inline const FLAC__IOCallbacks & +GetFlacIOCallbacks(const input_stream *is) +{ + return is->seekable + ? flac_io_callbacks_seekable + : flac_io_callbacks; +} + +#endif diff --git a/src/decoder/FlacInput.cxx b/src/decoder/FlacInput.cxx new file mode 100644 index 000000000..f5dedd97b --- /dev/null +++ b/src/decoder/FlacInput.cxx @@ -0,0 +1,149 @@ +/* + * Copyright (C) 2003-2012 The Music Player Daemon Project + * http://www.musicpd.org + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#include "config.h" +#include "FlacInput.hxx" +#include "decoder_api.h" +#include "gcc.h" +#include "InputStream.hxx" + +FLAC__StreamDecoderReadStatus +FlacInput::Read(FLAC__byte buffer[], size_t *bytes) +{ + size_t r = decoder_read(decoder, input_stream, (void *)buffer, *bytes); + *bytes = r; + + if (r == 0) { + if (input_stream_lock_eof(input_stream) || + (decoder != nullptr && + decoder_get_command(decoder) != DECODE_COMMAND_NONE)) + return FLAC__STREAM_DECODER_READ_STATUS_END_OF_STREAM; + else + return FLAC__STREAM_DECODER_READ_STATUS_ABORT; + } + + return FLAC__STREAM_DECODER_READ_STATUS_CONTINUE; +} + +FLAC__StreamDecoderSeekStatus +FlacInput::Seek(FLAC__uint64 absolute_byte_offset) +{ + if (!input_stream->seekable) + return FLAC__STREAM_DECODER_SEEK_STATUS_UNSUPPORTED; + + if (!input_stream_lock_seek(input_stream, + absolute_byte_offset, SEEK_SET, + nullptr)) + return FLAC__STREAM_DECODER_SEEK_STATUS_ERROR; + + return FLAC__STREAM_DECODER_SEEK_STATUS_OK; +} + +FLAC__StreamDecoderTellStatus +FlacInput::Tell(FLAC__uint64 *absolute_byte_offset) +{ + if (!input_stream->seekable) + return FLAC__STREAM_DECODER_TELL_STATUS_UNSUPPORTED; + + *absolute_byte_offset = (FLAC__uint64)input_stream->offset; + return FLAC__STREAM_DECODER_TELL_STATUS_OK; +} + +FLAC__StreamDecoderLengthStatus +FlacInput::Length(FLAC__uint64 *stream_length) +{ + if (input_stream->size < 0) + return FLAC__STREAM_DECODER_LENGTH_STATUS_UNSUPPORTED; + + *stream_length = (FLAC__uint64)input_stream->size; + return FLAC__STREAM_DECODER_LENGTH_STATUS_OK; +} + +FLAC__bool +FlacInput::Eof() +{ + return (decoder != nullptr && + decoder_get_command(decoder) != DECODE_COMMAND_NONE && + decoder_get_command(decoder) != DECODE_COMMAND_SEEK) || + input_stream_lock_eof(input_stream); +} + +void +FlacInput::Error(FLAC__StreamDecoderErrorStatus status) +{ + if (decoder == nullptr || + decoder_get_command(decoder) != DECODE_COMMAND_STOP) + g_warning("%s", FLAC__StreamDecoderErrorStatusString[status]); +} + +FLAC__StreamDecoderReadStatus +FlacInput::Read(gcc_unused const FLAC__StreamDecoder *flac_decoder, + FLAC__byte buffer[], size_t *bytes, + void *client_data) +{ + FlacInput *i = (FlacInput *)client_data; + + return i->Read(buffer, bytes); +} + +FLAC__StreamDecoderSeekStatus +FlacInput::Seek(gcc_unused const FLAC__StreamDecoder *flac_decoder, + FLAC__uint64 absolute_byte_offset, void *client_data) +{ + FlacInput *i = (FlacInput *)client_data; + + return i->Seek(absolute_byte_offset); +} + +FLAC__StreamDecoderTellStatus +FlacInput::Tell(gcc_unused const FLAC__StreamDecoder *flac_decoder, + FLAC__uint64 *absolute_byte_offset, void *client_data) +{ + FlacInput *i = (FlacInput *)client_data; + + return i->Tell(absolute_byte_offset); +} + +FLAC__StreamDecoderLengthStatus +FlacInput::Length(gcc_unused const FLAC__StreamDecoder *flac_decoder, + FLAC__uint64 *stream_length, void *client_data) +{ + FlacInput *i = (FlacInput *)client_data; + + return i->Length(stream_length); +} + +FLAC__bool +FlacInput::Eof(gcc_unused const FLAC__StreamDecoder *flac_decoder, + void *client_data) +{ + FlacInput *i = (FlacInput *)client_data; + + return i->Eof(); +} + +void +FlacInput::Error(gcc_unused const FLAC__StreamDecoder *decoder, + FLAC__StreamDecoderErrorStatus status, void *client_data) +{ + FlacInput *i = (FlacInput *)client_data; + + i->Error(status); +} + diff --git a/src/decoder/FlacInput.hxx b/src/decoder/FlacInput.hxx new file mode 100644 index 000000000..8fc69f960 --- /dev/null +++ b/src/decoder/FlacInput.hxx @@ -0,0 +1,72 @@ +/* + * Copyright (C) 2003-2012 The Music Player Daemon Project + * http://www.musicpd.org + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifndef MPD_FLAC_INPUT_HXX +#define MPD_FLAC_INPUT_HXX + +#include + +/** + * This class wraps an #input_stream in libFLAC stream decoder + * callbacks. + */ +class FlacInput { + struct decoder *decoder; + + struct input_stream *input_stream; + +public: + FlacInput(struct input_stream *_input_stream, + struct decoder *_decoder=nullptr) + :decoder(_decoder), input_stream(_input_stream) {} + +protected: + FLAC__StreamDecoderReadStatus Read(FLAC__byte buffer[], size_t *bytes); + FLAC__StreamDecoderSeekStatus Seek(FLAC__uint64 absolute_byte_offset); + FLAC__StreamDecoderTellStatus Tell(FLAC__uint64 *absolute_byte_offset); + FLAC__StreamDecoderLengthStatus Length(FLAC__uint64 *stream_length); + FLAC__bool Eof(); + void Error(FLAC__StreamDecoderErrorStatus status); + +public: + static FLAC__StreamDecoderReadStatus + Read(const FLAC__StreamDecoder *flac_decoder, + FLAC__byte buffer[], size_t *bytes, void *client_data); + + static FLAC__StreamDecoderSeekStatus + Seek(const FLAC__StreamDecoder *flac_decoder, + FLAC__uint64 absolute_byte_offset, void *client_data); + + static FLAC__StreamDecoderTellStatus + Tell(const FLAC__StreamDecoder *flac_decoder, + FLAC__uint64 *absolute_byte_offset, void *client_data); + + static FLAC__StreamDecoderLengthStatus + Length(const FLAC__StreamDecoder *flac_decoder, + FLAC__uint64 *stream_length, void *client_data); + + static FLAC__bool + Eof(const FLAC__StreamDecoder *flac_decoder, void *client_data); + + static void + Error(const FLAC__StreamDecoder *decoder, + FLAC__StreamDecoderErrorStatus status, void *client_data); +}; + +#endif diff --git a/src/decoder/FlacMetadata.cxx b/src/decoder/FlacMetadata.cxx new file mode 100644 index 000000000..694c88c8f --- /dev/null +++ b/src/decoder/FlacMetadata.cxx @@ -0,0 +1,253 @@ +/* + * Copyright (C) 2003-2012 The Music Player Daemon Project + * http://www.musicpd.org + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#include "config.h" +#include "FlacMetadata.hxx" + +extern "C" { +#include "XiphTags.h" +} + +#include "tag.h" +#include "tag_handler.h" +#include "tag_table.h" +#include "replay_gain_info.h" + +#include + +#include +#include + +static bool +flac_find_float_comment(const FLAC__StreamMetadata *block, + const char *cmnt, float *fl) +{ + int offset; + size_t pos; + int len; + unsigned char tmp, *p; + + offset = FLAC__metadata_object_vorbiscomment_find_entry_from(block, 0, + cmnt); + if (offset < 0) + return false; + + pos = strlen(cmnt) + 1; /* 1 is for '=' */ + len = block->data.vorbis_comment.comments[offset].length - pos; + if (len <= 0) + return false; + + p = &block->data.vorbis_comment.comments[offset].entry[pos]; + tmp = p[len]; + p[len] = '\0'; + *fl = (float)atof((char *)p); + p[len] = tmp; + + return true; +} + +bool +flac_parse_replay_gain(struct replay_gain_info *rgi, + const FLAC__StreamMetadata *block) +{ + bool found = false; + + replay_gain_info_init(rgi); + + if (flac_find_float_comment(block, "replaygain_album_gain", + &rgi->tuples[REPLAY_GAIN_ALBUM].gain)) + found = true; + if (flac_find_float_comment(block, "replaygain_album_peak", + &rgi->tuples[REPLAY_GAIN_ALBUM].peak)) + found = true; + if (flac_find_float_comment(block, "replaygain_track_gain", + &rgi->tuples[REPLAY_GAIN_TRACK].gain)) + found = true; + if (flac_find_float_comment(block, "replaygain_track_peak", + &rgi->tuples[REPLAY_GAIN_TRACK].peak)) + found = true; + + return found; +} + +static bool +flac_find_string_comment(const FLAC__StreamMetadata *block, + const char *cmnt, char **str) +{ + int offset; + size_t pos; + int len; + const unsigned char *p; + + *str = nullptr; + offset = FLAC__metadata_object_vorbiscomment_find_entry_from(block, 0, + cmnt); + if (offset < 0) + return false; + + pos = strlen(cmnt) + 1; /* 1 is for '=' */ + len = block->data.vorbis_comment.comments[offset].length - pos; + if (len <= 0) + return false; + + p = &block->data.vorbis_comment.comments[offset].entry[pos]; + *str = g_strndup((const char *)p, len); + + return true; +} + +bool +flac_parse_mixramp(char **mixramp_start, char **mixramp_end, + const FLAC__StreamMetadata *block) +{ + bool found = false; + + if (flac_find_string_comment(block, "mixramp_start", mixramp_start)) + found = true; + if (flac_find_string_comment(block, "mixramp_end", mixramp_end)) + found = true; + + return found; +} + +/** + * Checks if the specified name matches the entry's name, and if yes, + * returns the comment value (not null-temrinated). + */ +static const char * +flac_comment_value(const FLAC__StreamMetadata_VorbisComment_Entry *entry, + const char *name, size_t *length_r) +{ + size_t name_length = strlen(name); + const char *comment = (const char*)entry->entry; + + if (entry->length <= name_length || + g_ascii_strncasecmp(comment, name, name_length) != 0) + return nullptr; + + if (comment[name_length] == '=') { + *length_r = entry->length - name_length - 1; + return comment + name_length + 1; + } + + return nullptr; +} + +/** + * Check if the comment's name equals the passed name, and if so, copy + * the comment value into the tag. + */ +static bool +flac_copy_comment(const FLAC__StreamMetadata_VorbisComment_Entry *entry, + const char *name, enum tag_type tag_type, + const struct tag_handler *handler, void *handler_ctx) +{ + const char *value; + size_t value_length; + + value = flac_comment_value(entry, name, &value_length); + if (value != nullptr) { + char *p = g_strndup(value, value_length); + tag_handler_invoke_tag(handler, handler_ctx, tag_type, p); + g_free(p); + return true; + } + + return false; +} + +static void +flac_scan_comment(const FLAC__StreamMetadata_VorbisComment_Entry *entry, + const struct tag_handler *handler, void *handler_ctx) +{ + if (handler->pair != nullptr) { + char *name = g_strdup((const char*)entry->entry); + char *value = strchr(name, '='); + + if (value != nullptr && value > name) { + *value++ = 0; + tag_handler_invoke_pair(handler, handler_ctx, + name, value); + } + + g_free(name); + } + + for (const struct tag_table *i = xiph_tags; i->name != nullptr; ++i) + if (flac_copy_comment(entry, i->name, i->type, + handler, handler_ctx)) + return; + + for (unsigned i = 0; i < TAG_NUM_OF_ITEM_TYPES; ++i) + if (flac_copy_comment(entry, + tag_item_names[i], (enum tag_type)i, + handler, handler_ctx)) + return; +} + +static void +flac_scan_comments(const FLAC__StreamMetadata_VorbisComment *comment, + const struct tag_handler *handler, void *handler_ctx) +{ + for (unsigned i = 0; i < comment->num_comments; ++i) + flac_scan_comment(&comment->comments[i], + handler, handler_ctx); +} + +void +flac_scan_metadata(const FLAC__StreamMetadata *block, + const struct tag_handler *handler, void *handler_ctx) +{ + switch (block->type) { + case FLAC__METADATA_TYPE_VORBIS_COMMENT: + flac_scan_comments(&block->data.vorbis_comment, + handler, handler_ctx); + break; + + case FLAC__METADATA_TYPE_STREAMINFO: + if (block->data.stream_info.sample_rate > 0) + tag_handler_invoke_duration(handler, handler_ctx, + flac_duration(&block->data.stream_info)); + break; + + default: + break; + } +} + +void +flac_vorbis_comments_to_tag(struct tag *tag, + const FLAC__StreamMetadata_VorbisComment *comment) +{ + flac_scan_comments(comment, &add_tag_handler, tag); +} + +void +FlacMetadataChain::Scan(const struct tag_handler *handler, void *handler_ctx) +{ + FLACMetadataIterator iterator(*this); + + do { + FLAC__StreamMetadata *block = iterator.GetBlock(); + if (block == nullptr) + break; + + flac_scan_metadata(block, handler, handler_ctx); + } while (iterator.Next()); +} diff --git a/src/decoder/FlacMetadata.hxx b/src/decoder/FlacMetadata.hxx new file mode 100644 index 000000000..cce34c3a7 --- /dev/null +++ b/src/decoder/FlacMetadata.hxx @@ -0,0 +1,140 @@ +/* + * Copyright (C) 2003-2012 The Music Player Daemon Project + * http://www.musicpd.org + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifndef MPD_FLAC_METADATA_H +#define MPD_FLAC_METADATA_H + +#include "gcc.h" +#include "FlacIOHandle.hxx" + +#include + +#include + +class FlacMetadataChain { + FLAC__Metadata_Chain *chain; + +public: + FlacMetadataChain():chain(::FLAC__metadata_chain_new()) {} + + ~FlacMetadataChain() { + ::FLAC__metadata_chain_delete(chain); + } + + explicit operator FLAC__Metadata_Chain *() { + return chain; + } + + bool Read(const char *path) { + return ::FLAC__metadata_chain_read(chain, path); + } + + bool Read(FLAC__IOHandle handle, FLAC__IOCallbacks callbacks) { + return ::FLAC__metadata_chain_read_with_callbacks(chain, + handle, + callbacks); + } + + bool Read(input_stream *is) { + return Read(::ToFlacIOHandle(is), ::GetFlacIOCallbacks(is)); + } + + bool ReadOgg(const char *path) { + return ::FLAC__metadata_chain_read_ogg(chain, path); + } + + bool ReadOgg(FLAC__IOHandle handle, FLAC__IOCallbacks callbacks) { + return ::FLAC__metadata_chain_read_ogg_with_callbacks(chain, + handle, + callbacks); + } + + bool ReadOgg(input_stream *is) { + return ReadOgg(::ToFlacIOHandle(is), ::GetFlacIOCallbacks(is)); + } + + gcc_pure + FLAC__Metadata_ChainStatus GetStatus() const { + return ::FLAC__metadata_chain_status(chain); + } + + gcc_pure + const char *GetStatusString() const { + return FLAC__Metadata_ChainStatusString[GetStatus()]; + } + + void Scan(const struct tag_handler *handler, void *handler_ctx); +}; + +class FLACMetadataIterator { + FLAC__Metadata_Iterator *iterator; + +public: + FLACMetadataIterator():iterator(::FLAC__metadata_iterator_new()) {} + + FLACMetadataIterator(FlacMetadataChain &chain) + :iterator(::FLAC__metadata_iterator_new()) { + ::FLAC__metadata_iterator_init(iterator, + (FLAC__Metadata_Chain *)chain); + } + + ~FLACMetadataIterator() { + ::FLAC__metadata_iterator_delete(iterator); + } + + bool Next() { + return ::FLAC__metadata_iterator_next(iterator); + } + + gcc_pure + FLAC__StreamMetadata *GetBlock() { + return ::FLAC__metadata_iterator_get_block(iterator); + } +}; + +struct tag_handler; +struct tag; +struct replay_gain_info; + +static inline unsigned +flac_duration(const FLAC__StreamMetadata_StreamInfo *stream_info) +{ + assert(stream_info->sample_rate > 0); + + return (stream_info->total_samples + stream_info->sample_rate - 1) / + stream_info->sample_rate; +} + +bool +flac_parse_replay_gain(struct replay_gain_info *rgi, + const FLAC__StreamMetadata *block); + +bool +flac_parse_mixramp(char **mixramp_start, char **mixramp_end, + const FLAC__StreamMetadata *block); + +void +flac_vorbis_comments_to_tag(struct tag *tag, + const FLAC__StreamMetadata_VorbisComment *comment); + +void +flac_scan_metadata(const FLAC__StreamMetadata *block, + const struct tag_handler *handler, void *handler_ctx); + +#endif diff --git a/src/decoder/FlacPcm.cxx b/src/decoder/FlacPcm.cxx new file mode 100644 index 000000000..82896bd24 --- /dev/null +++ b/src/decoder/FlacPcm.cxx @@ -0,0 +1,110 @@ +/* + * Copyright (C) 2003-2012 The Music Player Daemon Project + * http://www.musicpd.org + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#include "config.h" +#include "FlacPcm.hxx" + +#include + +static void flac_convert_stereo16(int16_t *dest, + const FLAC__int32 * const buf[], + unsigned int position, unsigned int end) +{ + for (; position < end; ++position) { + *dest++ = buf[0][position]; + *dest++ = buf[1][position]; + } +} + +static void +flac_convert_16(int16_t *dest, + unsigned int num_channels, + const FLAC__int32 * const buf[], + unsigned int position, unsigned int end) +{ + unsigned int c_chan; + + for (; position < end; ++position) + for (c_chan = 0; c_chan < num_channels; c_chan++) + *dest++ = buf[c_chan][position]; +} + +/** + * Note: this function also handles 24 bit files! + */ +static void +flac_convert_32(int32_t *dest, + unsigned int num_channels, + const FLAC__int32 * const buf[], + unsigned int position, unsigned int end) +{ + unsigned int c_chan; + + for (; position < end; ++position) + for (c_chan = 0; c_chan < num_channels; c_chan++) + *dest++ = buf[c_chan][position]; +} + +static void +flac_convert_8(int8_t *dest, + unsigned int num_channels, + const FLAC__int32 * const buf[], + unsigned int position, unsigned int end) +{ + unsigned int c_chan; + + for (; position < end; ++position) + for (c_chan = 0; c_chan < num_channels; c_chan++) + *dest++ = buf[c_chan][position]; +} + +void +flac_convert(void *dest, + unsigned int num_channels, enum sample_format sample_format, + const FLAC__int32 *const buf[], + unsigned int position, unsigned int end) +{ + switch (sample_format) { + case SAMPLE_FORMAT_S16: + if (num_channels == 2) + flac_convert_stereo16((int16_t*)dest, buf, + position, end); + else + flac_convert_16((int16_t*)dest, num_channels, buf, + position, end); + break; + + case SAMPLE_FORMAT_S24_P32: + case SAMPLE_FORMAT_S32: + flac_convert_32((int32_t*)dest, num_channels, buf, + position, end); + break; + + case SAMPLE_FORMAT_S8: + flac_convert_8((int8_t*)dest, num_channels, buf, + position, end); + break; + + case SAMPLE_FORMAT_FLOAT: + case SAMPLE_FORMAT_DSD: + case SAMPLE_FORMAT_UNDEFINED: + /* unreachable */ + assert(false); + } +} diff --git a/src/decoder/FlacPcm.hxx b/src/decoder/FlacPcm.hxx new file mode 100644 index 000000000..97d214c17 --- /dev/null +++ b/src/decoder/FlacPcm.hxx @@ -0,0 +1,33 @@ +/* + * Copyright (C) 2003-2012 The Music Player Daemon Project + * http://www.musicpd.org + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifndef MPD_FLAC_PCM_HXX +#define MPD_FLAC_PCM_HXX + +#include "audio_format.h" + +#include + +void +flac_convert(void *dest, + unsigned int num_channels, enum sample_format sample_format, + const FLAC__int32 *const buf[], + unsigned int position, unsigned int end); + +#endif -- cgit v1.2.3