diff options
| -rw-r--r-- | Makefile.am | 2 | ||||
| -rw-r--r-- | src/decoder/pcm_decoder_plugin.c | 84 | ||||
| -rw-r--r-- | src/decoder/pcm_decoder_plugin.h | 33 | ||||
| -rw-r--r-- | src/decoder_list.c | 2 |
4 files changed, 121 insertions, 0 deletions
diff --git a/Makefile.am b/Makefile.am index f02b389c8..7a65ab890 100644 --- a/Makefile.am +++ b/Makefile.am @@ -97,6 +97,7 @@ mpd_headers = \ src/decoder/flac_pcm.h \ src/decoder/_flac_common.h \ src/decoder/_ogg_common.h \ + src/decoder/pcm_decoder_plugin.h \ src/input_init.h \ src/input_plugin.h \ src/input_registry.h \ @@ -462,6 +463,7 @@ DECODER_LIBS = \ $(CUE_LIBS) DECODER_SRC = \ + src/decoder/pcm_decoder_plugin.c \ src/decoder_buffer.c \ src/decoder_plugin.c \ src/decoder_list.c diff --git a/src/decoder/pcm_decoder_plugin.c b/src/decoder/pcm_decoder_plugin.c new file mode 100644 index 000000000..f63f1ec46 --- /dev/null +++ b/src/decoder/pcm_decoder_plugin.c @@ -0,0 +1,84 @@ +/* + * Copyright (C) 2003-2010 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 "decoder/pcm_decoder_plugin.h" +#include "decoder_api.h" + +#include <glib.h> +#include <unistd.h> + +#undef G_LOG_DOMAIN +#define G_LOG_DOMAIN "pcm" + +static void +pcm_stream_decode(struct decoder *decoder, struct input_stream *is) +{ + static const struct audio_format audio_format = { + .sample_rate = 44100, + .format = SAMPLE_FORMAT_S16, + .channels = 2, + }; + GError *error = NULL; + enum decoder_command cmd; + + double time_to_size = audio_format_time_to_size(&audio_format); + + float total_time = -1; + if (is->size >= 0) + total_time = is->size / time_to_size; + + decoder_initialized(decoder, &audio_format, true, total_time); + + do { + char buffer[4096]; + + size_t nbytes = decoder_read(decoder, is, + buffer, sizeof(buffer)); + cmd = nbytes > 0 + ? decoder_data(decoder, is, + buffer, nbytes, 0) + : decoder_get_command(decoder); + if (cmd == DECODE_COMMAND_SEEK) { + goffset offset = (goffset)(time_to_size * + decoder_seek_where(decoder)); + if (input_stream_seek(is, offset, SEEK_SET, &error)) { + decoder_command_finished(decoder); + } else { + g_warning("seeking failed: %s", error->message); + g_error_free(error); + decoder_seek_error(decoder); + } + + cmd = DECODE_COMMAND_NONE; + } + } while (cmd == DECODE_COMMAND_NONE); +} + +static const char *const pcm_mime_types[] = { + /* for streams obtained by the cdio_paranoia input plugin */ + "audio/x-mpd-cdda-pcm", + NULL +}; + +const struct decoder_plugin pcm_decoder_plugin = { + .name = "pcm", + .stream_decode = pcm_stream_decode, + .mime_types = pcm_mime_types, +}; diff --git a/src/decoder/pcm_decoder_plugin.h b/src/decoder/pcm_decoder_plugin.h new file mode 100644 index 000000000..716ae0c3e --- /dev/null +++ b/src/decoder/pcm_decoder_plugin.h @@ -0,0 +1,33 @@ +/* + * Copyright (C) 2003-2010 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. + */ + +/** \file + * + * Not really a decoder; this plugin forwards its input data "as-is". + * + * It was written only to support the "cdio_paranoia" input plugin, + * which does not need a decoder. + */ + +#ifndef MPD_DECODER_PCM_H +#define MPD_DECODER_PCM_H + +extern const struct decoder_plugin pcm_decoder_plugin; + +#endif diff --git a/src/decoder_list.c b/src/decoder_list.c index d76050023..4d8562be6 100644 --- a/src/decoder_list.c +++ b/src/decoder_list.c @@ -23,6 +23,7 @@ #include "utils.h" #include "conf.h" #include "mpd_error.h" +#include "decoder/pcm_decoder_plugin.h" #include <glib.h> @@ -102,6 +103,7 @@ const struct decoder_plugin *const decoder_plugins[] = { #ifdef HAVE_GME &gme_decoder_plugin, #endif + &pcm_decoder_plugin, NULL }; |