diff options
Diffstat (limited to 'src/decoder/oggflac_decoder_plugin.c')
| -rw-r--r-- | src/decoder/oggflac_decoder_plugin.c | 354 |
1 files changed, 0 insertions, 354 deletions
diff --git a/src/decoder/oggflac_decoder_plugin.c b/src/decoder/oggflac_decoder_plugin.c deleted file mode 100644 index f14cd493..00000000 --- a/src/decoder/oggflac_decoder_plugin.c +++ /dev/null @@ -1,354 +0,0 @@ -/* - * Copyright (C) 2003-2011 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. - */ - -/* - * OggFLAC support (half-stolen from flac_plugin.c :)) - */ - -#include "config.h" /* must be first for large file support */ -#include "_flac_common.h" -#include "_ogg_common.h" -#include "flac_metadata.h" - -#include <glib.h> -#include <OggFLAC/seekable_stream_decoder.h> -#include <assert.h> -#include <unistd.h> - -static void oggflac_cleanup(OggFLAC__SeekableStreamDecoder * decoder) -{ - if (decoder) - OggFLAC__seekable_stream_decoder_delete(decoder); -} - -static OggFLAC__SeekableStreamDecoderReadStatus of_read_cb(G_GNUC_UNUSED const - OggFLAC__SeekableStreamDecoder - * decoder, - FLAC__byte buf[], - unsigned *bytes, - void *fdata) -{ - struct flac_data *data = (struct flac_data *) fdata; - size_t r; - - r = decoder_read(data->decoder, data->input_stream, - (void *)buf, *bytes); - *bytes = r; - - if (r == 0 && !input_stream_eof(data->input_stream) && - decoder_get_command(data->decoder) == DECODE_COMMAND_NONE) - return OggFLAC__SEEKABLE_STREAM_DECODER_READ_STATUS_ERROR; - - return OggFLAC__SEEKABLE_STREAM_DECODER_READ_STATUS_OK; -} - -static OggFLAC__SeekableStreamDecoderSeekStatus of_seek_cb(G_GNUC_UNUSED const - OggFLAC__SeekableStreamDecoder - * decoder, - FLAC__uint64 offset, - void *fdata) -{ - struct flac_data *data = (struct flac_data *) fdata; - - if (!input_stream_seek(data->input_stream, offset, SEEK_SET, NULL)) - return OggFLAC__SEEKABLE_STREAM_DECODER_SEEK_STATUS_ERROR; - - return OggFLAC__SEEKABLE_STREAM_DECODER_SEEK_STATUS_OK; -} - -static OggFLAC__SeekableStreamDecoderTellStatus of_tell_cb(G_GNUC_UNUSED const - OggFLAC__SeekableStreamDecoder - * decoder, - FLAC__uint64 * - offset, void *fdata) -{ - struct flac_data *data = (struct flac_data *) fdata; - - *offset = (long)(data->input_stream->offset); - - return OggFLAC__SEEKABLE_STREAM_DECODER_TELL_STATUS_OK; -} - -static OggFLAC__SeekableStreamDecoderLengthStatus of_length_cb(G_GNUC_UNUSED const - OggFLAC__SeekableStreamDecoder - * decoder, - FLAC__uint64 * - length, - void *fdata) -{ - struct flac_data *data = (struct flac_data *) fdata; - - if (data->input_stream->size < 0) - return OggFLAC__SEEKABLE_STREAM_DECODER_LENGTH_STATUS_ERROR; - - *length = (size_t) (data->input_stream->size); - - return OggFLAC__SEEKABLE_STREAM_DECODER_LENGTH_STATUS_OK; -} - -static FLAC__bool of_EOF_cb(G_GNUC_UNUSED const OggFLAC__SeekableStreamDecoder * decoder, - void *fdata) -{ - struct flac_data *data = (struct flac_data *) fdata; - - return (decoder_get_command(data->decoder) != DECODE_COMMAND_NONE && - decoder_get_command(data->decoder) != DECODE_COMMAND_SEEK) || - input_stream_eof(data->input_stream); -} - -static void of_error_cb(G_GNUC_UNUSED const OggFLAC__SeekableStreamDecoder * decoder, - FLAC__StreamDecoderErrorStatus status, void *fdata) -{ - flac_error_common_cb("oggflac", status, (struct flac_data *) fdata); -} - -static void oggflacPrintErroredState(OggFLAC__SeekableStreamDecoderState state) -{ - switch (state) { - case OggFLAC__SEEKABLE_STREAM_DECODER_MEMORY_ALLOCATION_ERROR: - g_warning("oggflac allocation error\n"); - break; - case OggFLAC__SEEKABLE_STREAM_DECODER_READ_ERROR: - g_warning("oggflac read error\n"); - break; - case OggFLAC__SEEKABLE_STREAM_DECODER_SEEK_ERROR: - g_warning("oggflac seek error\n"); - break; - case OggFLAC__SEEKABLE_STREAM_DECODER_STREAM_DECODER_ERROR: - g_warning("oggflac seekable stream error\n"); - break; - case OggFLAC__SEEKABLE_STREAM_DECODER_ALREADY_INITIALIZED: - g_warning("oggflac decoder already initialized\n"); - break; - case OggFLAC__SEEKABLE_STREAM_DECODER_INVALID_CALLBACK: - g_warning("invalid oggflac callback\n"); - break; - case OggFLAC__SEEKABLE_STREAM_DECODER_UNINITIALIZED: - g_warning("oggflac decoder uninitialized\n"); - break; - case OggFLAC__SEEKABLE_STREAM_DECODER_OK: - case OggFLAC__SEEKABLE_STREAM_DECODER_SEEKING: - case OggFLAC__SEEKABLE_STREAM_DECODER_END_OF_STREAM: - break; - } -} - -static FLAC__StreamDecoderWriteStatus -oggflac_write_cb(G_GNUC_UNUSED const OggFLAC__SeekableStreamDecoder *decoder, - const FLAC__Frame *frame, const FLAC__int32 *const buf[], - void *vdata) -{ - struct flac_data *data = (struct flac_data *) vdata; - - return flac_common_write(data, frame, buf, 0); -} - -/* used by TagDup */ -static void of_metadata_dup_cb(G_GNUC_UNUSED const OggFLAC__SeekableStreamDecoder * decoder, - const FLAC__StreamMetadata * block, void *vdata) -{ - struct flac_data *data = (struct flac_data *) vdata; - - assert(data->tag != NULL); - - flac_tag_apply_metadata(data->tag, NULL, block); -} - -/* used by decode */ -static void of_metadata_decode_cb(G_GNUC_UNUSED const OggFLAC__SeekableStreamDecoder * dec, - const FLAC__StreamMetadata * block, - void *vdata) -{ - flac_metadata_common_cb(block, (struct flac_data *) vdata); -} - -static OggFLAC__SeekableStreamDecoder * -full_decoder_init_and_read_metadata(struct flac_data *data, - unsigned int metadata_only) -{ - OggFLAC__SeekableStreamDecoder *decoder = NULL; - unsigned int s = 1; - - if (!(decoder = OggFLAC__seekable_stream_decoder_new())) - return NULL; - - if (metadata_only) { - s &= OggFLAC__seekable_stream_decoder_set_metadata_callback - (decoder, of_metadata_dup_cb); - s &= OggFLAC__seekable_stream_decoder_set_metadata_respond - (decoder, FLAC__METADATA_TYPE_STREAMINFO); - } else { - s &= OggFLAC__seekable_stream_decoder_set_metadata_callback - (decoder, of_metadata_decode_cb); - } - - s &= OggFLAC__seekable_stream_decoder_set_read_callback(decoder, - of_read_cb); - s &= OggFLAC__seekable_stream_decoder_set_seek_callback(decoder, - of_seek_cb); - s &= OggFLAC__seekable_stream_decoder_set_tell_callback(decoder, - of_tell_cb); - s &= OggFLAC__seekable_stream_decoder_set_length_callback(decoder, - of_length_cb); - s &= OggFLAC__seekable_stream_decoder_set_eof_callback(decoder, - of_EOF_cb); - s &= OggFLAC__seekable_stream_decoder_set_write_callback(decoder, - oggflac_write_cb); - s &= OggFLAC__seekable_stream_decoder_set_metadata_respond(decoder, - FLAC__METADATA_TYPE_VORBIS_COMMENT); - s &= OggFLAC__seekable_stream_decoder_set_error_callback(decoder, - of_error_cb); - s &= OggFLAC__seekable_stream_decoder_set_client_data(decoder, - (void *)data); - - if (!s) { - g_warning("oggflac problem before init()\n"); - goto fail; - } - if (OggFLAC__seekable_stream_decoder_init(decoder) != - OggFLAC__SEEKABLE_STREAM_DECODER_OK) { - g_warning("oggflac problem doing init()\n"); - goto fail; - } - if (!OggFLAC__seekable_stream_decoder_process_until_end_of_metadata - (decoder)) { - g_warning("oggflac problem reading metadata\n"); - goto fail; - } - - return decoder; - -fail: - oggflacPrintErroredState(OggFLAC__seekable_stream_decoder_get_state - (decoder)); - OggFLAC__seekable_stream_decoder_delete(decoder); - return NULL; -} - -/* public functions: */ -static struct tag * -oggflac_stream_tag(struct input_stream *is) -{ - OggFLAC__SeekableStreamDecoder *decoder; - struct flac_data data; - struct tag *tag; - - if (ogg_stream_type_detect(is) != FLAC) - return NULL; - - /* rewind the stream, because ogg_stream_type_detect() has - moved it */ - input_stream_seek(is, 0, SEEK_SET, NULL); - - flac_data_init(&data, NULL, is); - - data.tag = tag_new(); - - /* errors here won't matter, - * data.tag will be set or unset, that's all we care about */ - decoder = full_decoder_init_and_read_metadata(&data, 1); - - oggflac_cleanup(decoder); - - if (tag_is_defined(data.tag)) { - tag = data.tag; - data.tag = NULL; - } else - tag = NULL; - - flac_data_deinit(&data); - - return tag; -} - -static void -oggflac_decode(struct decoder * mpd_decoder, struct input_stream *input_stream) -{ - OggFLAC__SeekableStreamDecoder *decoder = NULL; - struct flac_data data; - struct audio_format audio_format; - - if (ogg_stream_type_detect(input_stream) != FLAC) - return; - - /* rewind the stream, because ogg_stream_type_detect() has - moved it */ - input_stream_seek(input_stream, 0, SEEK_SET, NULL); - - flac_data_init(&data, mpd_decoder, input_stream); - - if (!(decoder = full_decoder_init_and_read_metadata(&data, 0))) { - goto fail; - } - - if (!data.initialized) - goto fail; - - decoder_initialized(mpd_decoder, &audio_format, - input_stream->seekable, - (float)data.total_frames / - (float)data.audio_format.sample_rate); - - while (true) { - OggFLAC__seekable_stream_decoder_process_single(decoder); - if (OggFLAC__seekable_stream_decoder_get_state(decoder) != - OggFLAC__SEEKABLE_STREAM_DECODER_OK) { - break; - } - if (decoder_get_command(mpd_decoder) == DECODE_COMMAND_SEEK) { - FLAC__uint64 seek_sample = decoder_seek_where(mpd_decoder) * - data.audio_format.sample_rate; - if (OggFLAC__seekable_stream_decoder_seek_absolute - (decoder, seek_sample)) { - data.next_frame = seek_sample; - data.position = 0; - decoder_command_finished(mpd_decoder); - } else - decoder_seek_error(mpd_decoder); - } - } - - if (decoder_get_command(mpd_decoder) == DECODE_COMMAND_NONE) { - oggflacPrintErroredState - (OggFLAC__seekable_stream_decoder_get_state(decoder)); - OggFLAC__seekable_stream_decoder_finish(decoder); - } - -fail: - oggflac_cleanup(decoder); - flac_data_deinit(&data); -} - -static const char *const oggflac_suffixes[] = { "ogg", "oga", NULL }; -static const char *const oggflac_mime_types[] = { - "application/ogg", - "application/x-ogg", - "audio/ogg", - "audio/x-ogg", - "audio/x-flac+ogg", - NULL -}; - -const struct decoder_plugin oggflac_decoder_plugin = { - .name = "oggflac", - .stream_decode = oggflac_decode, - .stream_tag = oggflac_stream_tag, - .suffixes = oggflac_suffixes, - .mime_types = oggflac_mime_types -}; |