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authorMax Kellermann <max@duempel.org>2008-10-26 11:29:25 +0100
committerMax Kellermann <max@duempel.org>2008-10-26 11:29:25 +0100
commite11355f47d545fe523b019481415b1347aecd4bd (patch)
treef178cd838be280d0517dc0e5910c36cb96a2a80e /src/decoder/oggflac_plugin.c
parentcbc71191f0ed75c5fafad5c387f009c2139a7bed (diff)
downloadmpd-e11355f47d545fe523b019481415b1347aecd4bd.tar.gz
mpd-e11355f47d545fe523b019481415b1347aecd4bd.tar.xz
mpd-e11355f47d545fe523b019481415b1347aecd4bd.zip
renamed src/inputPlugins/ to src/decoder/
These plugins are not input plugins, they are decoder plugins. No CamelCase in the directory name.
Diffstat (limited to 'src/decoder/oggflac_plugin.c')
-rw-r--r--src/decoder/oggflac_plugin.c355
1 files changed, 355 insertions, 0 deletions
diff --git a/src/decoder/oggflac_plugin.c b/src/decoder/oggflac_plugin.c
new file mode 100644
index 000000000..091b00988
--- /dev/null
+++ b/src/decoder/oggflac_plugin.c
@@ -0,0 +1,355 @@
+/* the Music Player Daemon (MPD)
+ * Copyright (C) 2003-2007 by Warren Dukes (warren.dukes@gmail.com)
+ * This project's homepage is: http://www.musicpd.org
+ *
+ * OggFLAC support (half-stolen from flac_plugin.c :))
+ * (c) 2005 by Eric Wong <normalperson@yhbt.net>
+ *
+ * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include "_flac_common.h"
+#include "_ogg_common.h"
+
+#include "../utils.h"
+#include "../log.h"
+
+#include <OggFLAC/seekable_stream_decoder.h>
+
+static void oggflac_cleanup(FlacData * data,
+ OggFLAC__SeekableStreamDecoder * decoder)
+{
+ if (data->replayGainInfo)
+ freeReplayGainInfo(data->replayGainInfo);
+ if (decoder)
+ OggFLAC__seekable_stream_decoder_delete(decoder);
+}
+
+static OggFLAC__SeekableStreamDecoderReadStatus of_read_cb(mpd_unused const
+ OggFLAC__SeekableStreamDecoder
+ * decoder,
+ FLAC__byte buf[],
+ unsigned *bytes,
+ void *fdata)
+{
+ FlacData *data = (FlacData *) fdata;
+ size_t r;
+
+ r = decoder_read(data->decoder, data->inStream, (void *)buf, *bytes);
+ *bytes = r;
+
+ if (r == 0 && !inputStreamAtEOF(data->inStream) &&
+ 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(mpd_unused const
+ OggFLAC__SeekableStreamDecoder
+ * decoder,
+ FLAC__uint64 offset,
+ void *fdata)
+{
+ FlacData *data = (FlacData *) fdata;
+
+ if (seekInputStream(data->inStream, offset, SEEK_SET) < 0) {
+ return OggFLAC__SEEKABLE_STREAM_DECODER_SEEK_STATUS_ERROR;
+ }
+
+ return OggFLAC__SEEKABLE_STREAM_DECODER_SEEK_STATUS_OK;
+}
+
+static OggFLAC__SeekableStreamDecoderTellStatus of_tell_cb(mpd_unused const
+ OggFLAC__SeekableStreamDecoder
+ * decoder,
+ FLAC__uint64 *
+ offset, void *fdata)
+{
+ FlacData *data = (FlacData *) fdata;
+
+ *offset = (long)(data->inStream->offset);
+
+ return OggFLAC__SEEKABLE_STREAM_DECODER_TELL_STATUS_OK;
+}
+
+static OggFLAC__SeekableStreamDecoderLengthStatus of_length_cb(mpd_unused const
+ OggFLAC__SeekableStreamDecoder
+ * decoder,
+ FLAC__uint64 *
+ length,
+ void *fdata)
+{
+ FlacData *data = (FlacData *) fdata;
+
+ *length = (size_t) (data->inStream->size);
+
+ return OggFLAC__SEEKABLE_STREAM_DECODER_LENGTH_STATUS_OK;
+}
+
+static FLAC__bool of_EOF_cb(mpd_unused const OggFLAC__SeekableStreamDecoder * decoder,
+ void *fdata)
+{
+ FlacData *data = (FlacData *) fdata;
+
+ return (decoder_get_command(data->decoder) != DECODE_COMMAND_NONE &&
+ decoder_get_command(data->decoder) != DECODE_COMMAND_SEEK) ||
+ inputStreamAtEOF(data->inStream);
+}
+
+static void of_error_cb(mpd_unused const OggFLAC__SeekableStreamDecoder * decoder,
+ FLAC__StreamDecoderErrorStatus status, void *fdata)
+{
+ flac_error_common_cb("oggflac", status, (FlacData *) fdata);
+}
+
+static void oggflacPrintErroredState(OggFLAC__SeekableStreamDecoderState state)
+{
+ switch (state) {
+ case OggFLAC__SEEKABLE_STREAM_DECODER_MEMORY_ALLOCATION_ERROR:
+ ERROR("oggflac allocation error\n");
+ break;
+ case OggFLAC__SEEKABLE_STREAM_DECODER_READ_ERROR:
+ ERROR("oggflac read error\n");
+ break;
+ case OggFLAC__SEEKABLE_STREAM_DECODER_SEEK_ERROR:
+ ERROR("oggflac seek error\n");
+ break;
+ case OggFLAC__SEEKABLE_STREAM_DECODER_STREAM_DECODER_ERROR:
+ ERROR("oggflac seekable stream error\n");
+ break;
+ case OggFLAC__SEEKABLE_STREAM_DECODER_ALREADY_INITIALIZED:
+ ERROR("oggflac decoder already initialized\n");
+ break;
+ case OggFLAC__SEEKABLE_STREAM_DECODER_INVALID_CALLBACK:
+ ERROR("invalid oggflac callback\n");
+ break;
+ case OggFLAC__SEEKABLE_STREAM_DECODER_UNINITIALIZED:
+ ERROR("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 oggflacWrite(mpd_unused const
+ OggFLAC__SeekableStreamDecoder
+ * decoder,
+ const FLAC__Frame * frame,
+ const FLAC__int32 *
+ const buf[], void *vdata)
+{
+ FlacData *data = (FlacData *) vdata;
+ FLAC__uint32 samples = frame->header.blocksize;
+ float timeChange;
+
+ timeChange = ((float)samples) / frame->header.sample_rate;
+ data->time += timeChange;
+
+ return flac_common_write(data, frame, buf);
+}
+
+/* used by TagDup */
+static void of_metadata_dup_cb(mpd_unused const OggFLAC__SeekableStreamDecoder * decoder,
+ const FLAC__StreamMetadata * block, void *vdata)
+{
+ FlacData *data = (FlacData *) vdata;
+
+ switch (block->type) {
+ case FLAC__METADATA_TYPE_STREAMINFO:
+ if (!data->tag)
+ data->tag = tag_new();
+ data->tag->time = ((float)block->data.stream_info.
+ total_samples) /
+ block->data.stream_info.sample_rate + 0.5;
+ return;
+ case FLAC__METADATA_TYPE_VORBIS_COMMENT:
+ copyVorbisCommentBlockToMpdTag(block, data->tag);
+ default:
+ break;
+ }
+}
+
+/* used by decode */
+static void of_metadata_decode_cb(mpd_unused const OggFLAC__SeekableStreamDecoder * dec,
+ const FLAC__StreamMetadata * block,
+ void *vdata)
+{
+ flac_metadata_common_cb(block, (FlacData *) vdata);
+}
+
+static OggFLAC__SeekableStreamDecoder
+ * full_decoder_init_and_read_metadata(FlacData * 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,
+ oggflacWrite);
+ 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) {
+ ERROR("oggflac problem before init()\n");
+ goto fail;
+ }
+ if (OggFLAC__seekable_stream_decoder_init(decoder) !=
+ OggFLAC__SEEKABLE_STREAM_DECODER_OK) {
+ ERROR("oggflac problem doing init()\n");
+ goto fail;
+ }
+ if (!OggFLAC__seekable_stream_decoder_process_until_end_of_metadata
+ (decoder)) {
+ ERROR("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_TagDup(char *file)
+{
+ InputStream inStream;
+ OggFLAC__SeekableStreamDecoder *decoder;
+ FlacData data;
+
+ if (openInputStream(&inStream, file) < 0)
+ return NULL;
+ if (ogg_stream_type_detect(&inStream) != FLAC) {
+ closeInputStream(&inStream);
+ return NULL;
+ }
+
+ init_FlacData(&data, NULL, &inStream);
+
+ /* 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(&data, decoder);
+ closeInputStream(&inStream);
+
+ return data.tag;
+}
+
+static bool oggflac_try_decode(InputStream * inStream)
+{
+ if (!inStream->seekable)
+ /* we cannot seek after the detection, so don't bother
+ checking */
+ return true;
+
+ return ogg_stream_type_detect(inStream) == FLAC;
+}
+
+static int oggflac_decode(struct decoder * mpd_decoder, InputStream * inStream)
+{
+ OggFLAC__SeekableStreamDecoder *decoder = NULL;
+ FlacData data;
+ int ret = 0;
+
+ init_FlacData(&data, mpd_decoder, inStream);
+
+ if (!(decoder = full_decoder_init_and_read_metadata(&data, 0))) {
+ ret = -1;
+ goto fail;
+ }
+
+ decoder_initialized(mpd_decoder, &data.audio_format, data.total_time);
+
+ while (1) {
+ 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 sampleToSeek = decoder_seek_where(mpd_decoder) *
+ data.audio_format.sample_rate + 0.5;
+ if (OggFLAC__seekable_stream_decoder_seek_absolute
+ (decoder, sampleToSeek)) {
+ decoder_clear(mpd_decoder);
+ data.time = ((float)sampleToSeek) /
+ data.audio_format.sample_rate;
+ 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(&data, decoder);
+
+ return ret;
+}
+
+static const char *oggflac_Suffixes[] = { "ogg", "oga",NULL };
+static const char *oggflac_mime_types[] = { "audio/x-flac+ogg",
+ "application/ogg",
+ "application/x-ogg",
+ NULL };
+
+struct decoder_plugin oggflacPlugin = {
+ .name = "oggflac",
+ .try_decode = oggflac_try_decode,
+ .stream_decode = oggflac_decode,
+ .tag_dup = oggflac_TagDup,
+ .stream_types = INPUT_PLUGIN_STREAM_URL | INPUT_PLUGIN_STREAM_FILE,
+ .suffixes = oggflac_Suffixes,
+ .mime_types = oggflac_mime_types
+};