2008-08-26 08:27:04 +02:00
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/* the Music Player Daemon (MPD)
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* Copyright (C) 2003-2007 by Warren Dukes (warren.dukes@gmail.com)
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* Copyright (C) 2008 Max Kellermann <max@duempel.org>
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* This project's homepage is: http://www.musicpd.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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2008-08-26 08:27:06 +02:00
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#include "decoder_internal.h"
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2008-08-26 08:44:19 +02:00
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#include "decoder_control.h"
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2008-08-26 08:44:38 +02:00
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#include "player_control.h"
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2008-08-26 08:27:06 +02:00
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#include "audio.h"
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2008-10-08 10:49:11 +02:00
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#include "song.h"
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2008-08-26 08:27:04 +02:00
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2008-08-26 08:27:05 +02:00
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#include "utils.h"
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#include "normalize.h"
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2008-11-02 14:12:52 +01:00
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#include "pipe.h"
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2008-08-26 08:27:04 +02:00
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2008-11-24 14:32:53 +01:00
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#include <glib.h>
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2008-10-08 10:49:29 +02:00
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2009-01-03 14:51:28 +01:00
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#include <assert.h>
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#include <stdlib.h>
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2008-08-26 08:27:06 +02:00
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void decoder_initialized(struct decoder * decoder,
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2008-09-07 19:19:55 +02:00
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const struct audio_format *audio_format,
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2008-11-02 17:01:51 +01:00
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bool seekable, float total_time)
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2008-08-26 08:27:04 +02:00
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{
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assert(dc.state == DECODE_STATE_START);
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2008-11-10 15:02:26 +01:00
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assert(decoder != NULL);
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2009-01-03 23:29:45 +01:00
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assert(decoder->stream_tag == NULL);
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assert(decoder->decoder_tag == NULL);
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2008-11-10 15:02:26 +01:00
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assert(!decoder->seeking);
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2008-10-29 17:29:03 +01:00
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assert(audio_format != NULL);
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2008-11-10 15:02:26 +01:00
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assert(audio_format_defined(audio_format));
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2008-11-21 20:27:30 +01:00
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assert(audio_format_valid(audio_format));
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2008-08-26 08:27:04 +02:00
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2008-11-02 16:55:43 +01:00
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dc.in_audio_format = *audio_format;
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getOutputAudioFormat(audio_format, &dc.out_audio_format);
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2008-08-26 08:27:05 +02:00
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2008-11-02 17:01:51 +01:00
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dc.seekable = seekable;
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2008-11-03 21:43:02 +01:00
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dc.total_time = total_time;
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2008-08-26 08:27:05 +02:00
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2008-08-26 08:27:04 +02:00
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dc.state = DECODE_STATE_DECODE;
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notify_signal(&pc.notify);
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}
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2008-08-26 08:27:05 +02:00
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2009-01-04 19:09:34 +01:00
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char *decoder_get_uri(G_GNUC_UNUSED struct decoder *decoder)
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2008-08-26 08:27:07 +02:00
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{
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2009-01-04 19:09:34 +01:00
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return song_get_uri(dc.current_song);
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2008-08-26 08:27:07 +02:00
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}
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2008-11-24 14:32:53 +01:00
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enum decoder_command decoder_get_command(G_GNUC_UNUSED struct decoder * decoder)
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2008-08-26 08:27:07 +02:00
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{
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return dc.command;
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}
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2008-11-24 14:32:53 +01:00
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void decoder_command_finished(G_GNUC_UNUSED struct decoder * decoder)
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2008-08-26 08:27:07 +02:00
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{
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assert(dc.command != DECODE_COMMAND_NONE);
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2008-08-26 08:27:14 +02:00
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assert(dc.command != DECODE_COMMAND_SEEK ||
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2008-11-03 21:43:02 +01:00
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dc.seek_error || decoder->seeking);
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2008-08-26 08:27:07 +02:00
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2008-10-29 17:28:47 +01:00
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if (dc.command == DECODE_COMMAND_SEEK)
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/* delete frames from the old song position */
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2008-11-02 14:18:34 +01:00
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music_pipe_clear();
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2008-10-29 17:28:47 +01:00
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2008-08-26 08:27:07 +02:00
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dc.command = DECODE_COMMAND_NONE;
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notify_signal(&pc.notify);
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}
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2008-11-24 14:32:53 +01:00
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double decoder_seek_where(G_GNUC_UNUSED struct decoder * decoder)
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2008-08-26 08:27:07 +02:00
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{
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assert(dc.command == DECODE_COMMAND_SEEK);
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2008-10-08 11:03:39 +02:00
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decoder->seeking = true;
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2008-08-26 08:27:14 +02:00
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2008-11-03 21:43:02 +01:00
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return dc.seek_where;
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2008-08-26 08:27:07 +02:00
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}
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void decoder_seek_error(struct decoder * decoder)
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{
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assert(dc.command == DECODE_COMMAND_SEEK);
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2008-11-03 21:43:02 +01:00
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dc.seek_error = true;
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2008-08-26 08:27:07 +02:00
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decoder_command_finished(decoder);
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}
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2008-08-26 08:27:14 +02:00
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size_t decoder_read(struct decoder *decoder,
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2008-11-03 17:56:41 +01:00
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struct input_stream *is,
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2008-08-26 08:27:14 +02:00
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void *buffer, size_t length)
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{
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size_t nbytes;
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2008-11-11 15:55:28 +01:00
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assert(decoder == NULL ||
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dc.state == DECODE_STATE_START ||
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2008-11-10 15:02:26 +01:00
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dc.state == DECODE_STATE_DECODE);
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2008-11-03 17:56:41 +01:00
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assert(is != NULL);
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2008-08-26 08:27:14 +02:00
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assert(buffer != NULL);
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2008-11-15 19:27:30 +01:00
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if (length == 0)
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return 0;
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2008-10-30 08:38:54 +01:00
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while (true) {
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2008-08-26 08:27:14 +02:00
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/* XXX don't allow decoder==NULL */
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2008-08-26 08:27:14 +02:00
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if (decoder != NULL &&
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2008-11-13 02:06:55 +01:00
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/* ignore the SEEK command during initialization,
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the plugin should handle that after it has
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initialized successfully */
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2008-08-26 08:27:14 +02:00
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(dc.command != DECODE_COMMAND_SEEK ||
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2008-11-13 02:06:55 +01:00
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(dc.state != DECODE_STATE_START && !decoder->seeking)) &&
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2008-08-26 08:27:14 +02:00
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dc.command != DECODE_COMMAND_NONE)
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2008-08-26 08:27:14 +02:00
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return 0;
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2008-11-03 17:56:41 +01:00
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nbytes = input_stream_read(is, buffer, length);
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if (nbytes > 0 || input_stream_eof(is))
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2008-08-26 08:27:14 +02:00
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return nbytes;
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/* sleep for a fraction of a second! */
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/* XXX don't sleep, wait for an event instead */
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my_usleep(10000);
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}
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}
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2008-08-26 08:27:05 +02:00
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/**
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* All chunks are full of decoded data; wait for the player to free
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* one.
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*/
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2008-08-26 08:27:07 +02:00
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static enum decoder_command
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2008-11-13 02:54:56 +01:00
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need_chunks(struct input_stream *is, bool wait)
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2008-08-26 08:27:05 +02:00
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{
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2008-11-02 17:01:51 +01:00
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if (dc.command == DECODE_COMMAND_STOP ||
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dc.command == DECODE_COMMAND_SEEK)
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return dc.command;
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2008-08-26 08:27:05 +02:00
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2008-11-13 02:54:56 +01:00
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if ((is == NULL || input_stream_buffer(is) <= 0) && wait) {
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2008-08-26 08:27:05 +02:00
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notify_wait(&dc.notify);
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notify_signal(&pc.notify);
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2008-11-13 14:43:19 +01:00
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2009-01-13 18:15:25 +01:00
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return dc.command;
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2008-08-26 08:27:05 +02:00
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}
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2008-08-26 08:27:07 +02:00
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return DECODE_COMMAND_NONE;
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2008-08-26 08:27:05 +02:00
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}
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2009-01-03 23:28:51 +01:00
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static enum decoder_command
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do_send_tag(struct input_stream *is, const struct tag *tag)
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{
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while (!music_pipe_tag(tag)) {
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enum decoder_command cmd = need_chunks(is, true);
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if (cmd != DECODE_COMMAND_NONE)
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return cmd;
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}
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return DECODE_COMMAND_NONE;
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}
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2009-01-03 23:29:45 +01:00
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static bool
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update_stream_tag(struct decoder *decoder, struct input_stream *is)
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{
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struct tag *tag;
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if (is == NULL)
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return false;
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tag = input_stream_tag(is);
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if (tag == NULL)
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return false;
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if (decoder->stream_tag != NULL)
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tag_free(decoder->stream_tag);
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decoder->stream_tag = tag;
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return true;
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}
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2008-08-26 08:27:07 +02:00
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enum decoder_command
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2008-10-17 17:53:48 +02:00
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decoder_data(struct decoder *decoder,
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2008-11-03 17:56:41 +01:00
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struct input_stream *is,
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void *_data, size_t length,
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2008-09-29 15:49:29 +02:00
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float data_time, uint16_t bitRate,
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2008-11-11 15:55:34 +01:00
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struct replay_gain_info *replay_gain_info)
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2008-08-26 08:27:05 +02:00
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{
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2008-11-03 17:56:41 +01:00
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static char *conv_buffer;
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static size_t conv_buffer_size;
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2008-08-26 08:27:05 +02:00
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size_t nbytes;
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char *data;
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2008-11-10 15:02:26 +01:00
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assert(dc.state == DECODE_STATE_DECODE);
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2008-11-13 02:42:40 +01:00
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if (dc.command == DECODE_COMMAND_STOP ||
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2008-11-21 20:26:57 +01:00
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dc.command == DECODE_COMMAND_SEEK ||
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length == 0)
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2008-11-13 02:42:40 +01:00
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return dc.command;
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2009-01-03 23:29:45 +01:00
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/* send stream tags */
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if (update_stream_tag(decoder, is)) {
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enum decoder_command cmd;
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2008-11-03 18:24:01 +01:00
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2009-01-03 23:29:45 +01:00
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if (decoder->decoder_tag != NULL) {
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/* merge with tag from decoder plugin */
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struct tag *tag;
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tag = tag_merge(decoder->stream_tag,
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decoder->decoder_tag);
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cmd = do_send_tag(is, tag);
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tag_free(tag);
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} else
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/* send only the stream tag */
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cmd = do_send_tag(is, decoder->stream_tag);
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if (cmd != DECODE_COMMAND_NONE)
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return cmd;
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2008-11-03 18:24:01 +01:00
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}
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2008-11-02 16:55:43 +01:00
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if (audio_format_equals(&dc.in_audio_format, &dc.out_audio_format)) {
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2008-11-03 17:56:41 +01:00
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data = _data;
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2008-08-26 08:27:05 +02:00
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} else {
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2008-11-18 22:45:51 +01:00
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size_t out_length =
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pcm_convert_size(&dc.in_audio_format, length,
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&dc.out_audio_format);
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if (out_length > conv_buffer_size) {
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2009-01-03 14:51:28 +01:00
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g_free(conv_buffer);
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conv_buffer = g_malloc(out_length);
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2008-11-18 22:45:51 +01:00
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conv_buffer_size = out_length;
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2008-08-26 08:27:05 +02:00
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}
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2008-11-03 17:56:41 +01:00
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data = conv_buffer;
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length = pcm_convert(&dc.in_audio_format, _data,
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length, &dc.out_audio_format,
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data, &decoder->conv_state);
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2008-12-24 03:08:39 +01:00
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/* under certain circumstances, pcm_convert() may
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return an empty buffer - this condition should be
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investigated further, but for now, do this check as
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a workaround: */
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if (length == 0)
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return DECODE_COMMAND_NONE;
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2008-08-26 08:27:05 +02:00
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}
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2008-11-11 15:55:34 +01:00
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if (replay_gain_info != NULL && (replay_gain_mode != REPLAY_GAIN_OFF))
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replay_gain_apply(replay_gain_info, data, length,
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2008-11-02 16:55:43 +01:00
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&dc.out_audio_format);
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2008-08-26 08:27:05 +02:00
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else if (normalizationEnabled)
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2008-11-03 17:56:41 +01:00
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normalizeData(data, length, &dc.out_audio_format);
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2008-08-26 08:27:05 +02:00
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2008-11-03 17:56:41 +01:00
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while (length > 0) {
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nbytes = music_pipe_append(data, length,
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2008-11-02 16:55:43 +01:00
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&dc.out_audio_format,
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data_time, bitRate);
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2008-11-03 17:56:41 +01:00
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length -= nbytes;
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2008-08-26 08:27:05 +02:00
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data += nbytes;
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2008-11-03 17:56:41 +01:00
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if (length > 0) {
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2008-11-13 02:54:56 +01:00
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enum decoder_command cmd =
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need_chunks(is, nbytes == 0);
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2008-10-29 16:11:15 +01:00
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if (cmd != DECODE_COMMAND_NONE)
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return cmd;
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2008-08-26 08:27:05 +02:00
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}
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}
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2008-08-26 08:27:07 +02:00
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return DECODE_COMMAND_NONE;
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2008-08-26 08:27:05 +02:00
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}
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2008-11-02 17:02:28 +01:00
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enum decoder_command
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2008-11-24 14:32:53 +01:00
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decoder_tag(G_GNUC_UNUSED struct decoder *decoder, struct input_stream *is,
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2008-11-02 17:02:28 +01:00
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const struct tag *tag)
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{
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2009-01-03 23:28:51 +01:00
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enum decoder_command cmd;
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2008-11-03 18:24:01 +01:00
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2008-11-10 15:02:26 +01:00
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assert(dc.state == DECODE_STATE_DECODE);
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2009-01-03 23:29:45 +01:00
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assert(tag != NULL);
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/* save the tag */
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if (decoder->decoder_tag != NULL)
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tag_free(decoder->decoder_tag);
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decoder->decoder_tag = tag_dup(tag);
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/* check for a new stream tag */
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2008-11-10 15:02:26 +01:00
|
|
|
|
2009-01-03 23:29:45 +01:00
|
|
|
update_stream_tag(decoder, is);
|
2008-11-03 18:24:01 +01:00
|
|
|
|
2009-01-03 23:29:45 +01:00
|
|
|
/* send tag to music pipe */
|
2008-11-02 17:02:28 +01:00
|
|
|
|
2009-01-03 23:29:45 +01:00
|
|
|
if (decoder->stream_tag != NULL) {
|
|
|
|
/* merge with tag from input stream */
|
|
|
|
struct tag *merged;
|
2008-11-03 18:24:01 +01:00
|
|
|
|
2009-01-03 23:29:45 +01:00
|
|
|
merged = tag_merge(decoder->stream_tag, decoder->decoder_tag);
|
|
|
|
cmd = do_send_tag(is, merged);
|
|
|
|
tag_free(merged);
|
|
|
|
} else
|
|
|
|
/* send only the decoder tag */
|
|
|
|
cmd = do_send_tag(is, tag);
|
2008-11-03 18:24:01 +01:00
|
|
|
|
2009-01-03 23:28:51 +01:00
|
|
|
return cmd;
|
2008-11-02 17:02:28 +01:00
|
|
|
}
|