99617d71ba
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@15668 a1c6a512-1295-4272-9138-f99709370657
2625 lines
72 KiB
C
2625 lines
72 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2005 Miika Pekkarinen
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*
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* All files in this archive are subject to the GNU General Public License.
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* See the file COPYING in the source tree root for full license agreement.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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/* TODO: Can use the track changed callback to detect end of track and seek
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* in the previous track until this happens */
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/* Design: we have prev_ti already, have a conditional for what type of seek
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* to do on a seek request, if it is a previous track seek, skip previous,
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* and in the request_next_track callback set the offset up the same way that
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* starting from an offset works. */
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/* TODO: Pause should be handled in here, rather than PCMBUF so that voice can
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* play whilst audio is paused */
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <ctype.h>
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#include "system.h"
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#include "thread.h"
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#include "file.h"
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#include "panic.h"
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#include "memory.h"
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#include "lcd.h"
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#include "font.h"
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#include "button.h"
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#include "kernel.h"
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#include "tree.h"
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#include "debug.h"
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#include "sprintf.h"
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#include "settings.h"
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#include "codecs.h"
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#include "audio.h"
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#include "buffering.h"
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#include "voice_thread.h"
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#include "mp3_playback.h"
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#include "usb.h"
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#include "status.h"
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#include "ata.h"
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#include "screens.h"
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#include "playlist.h"
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#include "playback.h"
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#include "pcmbuf.h"
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#include "buffer.h"
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#include "dsp.h"
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#include "abrepeat.h"
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#include "cuesheet.h"
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#ifdef HAVE_TAGCACHE
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#include "tagcache.h"
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#endif
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#ifdef HAVE_LCD_BITMAP
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#include "icons.h"
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#include "peakmeter.h"
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#include "action.h"
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#include "albumart.h"
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#endif
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#include "lang.h"
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#include "bookmark.h"
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#include "misc.h"
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#include "sound.h"
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#include "metadata.h"
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#include "splash.h"
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#include "talk.h"
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#include "ata_idle_notify.h"
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#ifdef HAVE_RECORDING
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#include "recording.h"
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#include "talk.h"
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#endif
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#ifdef HAVE_WM8758
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#include "menus/eq_menu.h"
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#endif
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#define PLAYBACK_VOICE
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/* default point to start buffer refill */
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#define AUDIO_DEFAULT_WATERMARK (1024*512)
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/* amount of guess-space to allow for codecs that must hunt and peck
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* for their correct seeek target, 32k seems a good size */
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#define AUDIO_REBUFFER_GUESS_SIZE (1024*32)
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/* Define LOGF_ENABLE to enable logf output in this file */
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/*#define LOGF_ENABLE*/
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#include "logf.h"
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/* macros to enable logf for queues
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logging on SYS_TIMEOUT can be disabled */
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#ifdef SIMULATOR
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/* Define this for logf output of all queuing except SYS_TIMEOUT */
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#define PLAYBACK_LOGQUEUES
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/* Define this to logf SYS_TIMEOUT messages */
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/*#define PLAYBACK_LOGQUEUES_SYS_TIMEOUT*/
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#endif
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#ifdef PLAYBACK_LOGQUEUES
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#define LOGFQUEUE logf
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#else
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#define LOGFQUEUE(...)
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#endif
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#ifdef PLAYBACK_LOGQUEUES_SYS_TIMEOUT
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#define LOGFQUEUE_SYS_TIMEOUT logf
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#else
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#define LOGFQUEUE_SYS_TIMEOUT(...)
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#endif
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/* Define one constant that includes recording related functionality */
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#if defined(HAVE_RECORDING) && !defined(SIMULATOR)
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#define AUDIO_HAVE_RECORDING
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#endif
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enum {
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Q_AUDIO_PLAY = 1,
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Q_AUDIO_STOP,
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Q_AUDIO_PAUSE,
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Q_AUDIO_SKIP,
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Q_AUDIO_PRE_FF_REWIND,
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Q_AUDIO_FF_REWIND,
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Q_AUDIO_CHECK_NEW_TRACK,
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Q_AUDIO_FLUSH,
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Q_AUDIO_TRACK_CHANGED,
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Q_AUDIO_DIR_SKIP,
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Q_AUDIO_POSTINIT,
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Q_AUDIO_FILL_BUFFER,
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Q_CODEC_REQUEST_COMPLETE,
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Q_CODEC_REQUEST_FAILED,
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Q_CODEC_LOAD,
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Q_CODEC_LOAD_DISK,
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#ifdef AUDIO_HAVE_RECORDING
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Q_ENCODER_LOAD_DISK,
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Q_ENCODER_RECORD,
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#endif
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};
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/* As defined in plugins/lib/xxx2wav.h */
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#if MEM > 1
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#define MALLOC_BUFSIZE (512*1024)
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#define GUARD_BUFSIZE (32*1024)
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#else
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#define MALLOC_BUFSIZE (100*1024)
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#define GUARD_BUFSIZE (8*1024)
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#endif
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/* As defined in plugin.lds */
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#if defined(CPU_PP)
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#define CODEC_IRAM_ORIGIN ((unsigned char *)0x4000c000)
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#define CODEC_IRAM_SIZE ((size_t)0xc000)
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#elif defined(IAUDIO_X5) || defined(IAUDIO_M5)
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#define CODEC_IRAM_ORIGIN ((unsigned char *)0x10010000)
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#define CODEC_IRAM_SIZE ((size_t)0x10000)
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#else
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#define CODEC_IRAM_ORIGIN ((unsigned char *)0x1000c000)
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#define CODEC_IRAM_SIZE ((size_t)0xc000)
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#endif
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bool audio_is_initialized = false;
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/* Variables are commented with the threads that use them: *
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* A=audio, C=codec, V=voice. A suffix of - indicates that *
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* the variable is read but not updated on that thread. */
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/* TBD: Split out "audio" and "playback" (ie. calling) threads */
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/* Main state control */
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static volatile bool audio_codec_loaded NOCACHEBSS_ATTR = false; /* Codec loaded? (C/A-) */
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static volatile bool playing NOCACHEBSS_ATTR = false; /* Is audio playing? (A) */
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static volatile bool paused NOCACHEBSS_ATTR = false; /* Is audio paused? (A/C-) */
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/* Ring buffer where compressed audio and codecs are loaded */
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static unsigned char *filebuf = NULL; /* Start of buffer (A/C-) */
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static unsigned char *malloc_buf = NULL; /* Start of malloc buffer (A/C-) */
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/* FIXME: make filebuflen static */
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size_t filebuflen = 0; /* Size of buffer (A/C-) */
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/* FIXME: make buf_ridx (C/A-) */
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/* Possible arrangements of the buffer */
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#define BUFFER_STATE_TRASHED -1 /* trashed; must be reset */
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#define BUFFER_STATE_INITIALIZED 0 /* voice+audio OR audio-only */
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#define BUFFER_STATE_VOICED_ONLY 1 /* voice-only */
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static int buffer_state = BUFFER_STATE_TRASHED; /* Buffer state */
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/* Used to keep the WPS up-to-date during track transtition */
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static struct mp3entry prevtrack_id3;
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/* Used to provide the codec with a pointer */
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static struct mp3entry curtrack_id3;
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/* Used to make next track info available while playing last track on buffer */
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static struct mp3entry lasttrack_id3;
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/* Track info structure about songs in the file buffer (A/C-) */
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struct track_info {
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int audio_hid; /* The ID for the track's buffer handle */
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int id3_hid; /* The ID for the track's metadata handle */
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int codec_hid; /* The ID for the track's codec handle */
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#ifdef HAVE_ALBUMART
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int aa_hid; /* The ID for the track's album art handle */
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#endif
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size_t filesize; /* File total length */
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bool taginfo_ready; /* Is metadata read */
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bool event_sent; /* Was this track's buffered event sent */
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};
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static struct track_info tracks[MAX_TRACK];
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static volatile int track_ridx = 0; /* Track being decoded (A/C-) */
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static int track_widx = 0; /* Track being buffered (A) */
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#define CUR_TI (&tracks[track_ridx]) /* Playing track info pointer (A/C-) */
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static struct track_info *prev_ti = NULL; /* Pointer to the previously played
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track */
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/* Set by the audio thread when the current track information has updated
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* and the WPS may need to update its cached information */
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static bool track_changed = false;
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/* Information used only for filling the buffer */
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/* Playlist steps from playing track to next track to be buffered (A) */
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static int last_peek_offset = 0;
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/* Scrobbler support */
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static unsigned long prev_track_elapsed = 0; /* Previous track elapsed time (C/A-)*/
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/* Track change controls */
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static bool automatic_skip = false; /* Who initiated in-progress skip? (C/A-) */
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static bool playlist_end = false; /* Has the current playlist ended? (A) */
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static bool dir_skip = false; /* Is a directory skip pending? (A) */
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static bool new_playlist = false; /* Are we starting a new playlist? (A) */
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static int wps_offset = 0; /* Pending track change offset, to keep WPS responsive (A) */
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static bool skipped_during_pause = false; /* Do we need to clear the PCM buffer when playback resumes (A) */
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/* Callbacks which applications or plugins may set */
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/* When the playing track has changed from the user's perspective */
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void (*track_changed_callback)(struct mp3entry *id3) = NULL;
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/* When a track has been buffered */
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void (*track_buffer_callback)(struct mp3entry *id3) = NULL;
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/* When a track's buffer has been overwritten or cleared */
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void (*track_unbuffer_callback)(struct mp3entry *id3) = NULL;
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static size_t buffer_margin = 0; /* Buffer margin aka anti-skip buffer (A/C-) */
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/* Multiple threads */
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/* Set the watermark to trigger buffer fill (A/C) FIXME */
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static void set_filebuf_watermark(int seconds, size_t max);
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/* Audio thread */
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static struct event_queue audio_queue NOCACHEBSS_ATTR;
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static struct queue_sender_list audio_queue_sender_list NOCACHEBSS_ATTR;
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static long audio_stack[(DEFAULT_STACK_SIZE + 0x1000)/sizeof(long)];
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static const char audio_thread_name[] = "audio";
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static void audio_thread(void);
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static void audio_initiate_track_change(long direction);
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static bool audio_have_tracks(void);
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static void audio_reset_buffer(void);
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/* Codec thread */
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extern struct codec_api ci;
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static struct event_queue codec_queue NOCACHEBSS_ATTR;
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static struct queue_sender_list codec_queue_sender_list;
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static long codec_stack[(DEFAULT_STACK_SIZE + 0x2000)/sizeof(long)]
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IBSS_ATTR;
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static const char codec_thread_name[] = "codec";
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struct thread_entry *codec_thread_p; /* For modifying thread priority later. */
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/* --- Helper functions --- */
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static struct mp3entry *bufgetid3(int handle_id)
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{
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if (handle_id < 0)
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return NULL;
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struct mp3entry *id3;
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ssize_t ret = bufgetdata(handle_id, 0, (void *)&id3);
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if (ret < 0 || ret != sizeof(struct mp3entry))
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return NULL;
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return id3;
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}
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static bool clear_track_info(struct track_info *track)
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{
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/* bufclose returns true if the handle is not found, or if it is closed
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* successfully, so these checks are safe on non-existant handles */
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if (!track)
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return false;
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if (track->codec_hid >= 0) {
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if (bufclose(track->codec_hid))
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track->codec_hid = -1;
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else
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return false;
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}
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if (track->id3_hid >= 0) {
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if (bufclose(track->id3_hid))
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track->id3_hid = -1;
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else
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return false;
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}
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if (track->audio_hid >= 0) {
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if (bufclose(track->audio_hid))
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track->audio_hid = -1;
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else
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return false;
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}
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#ifdef HAVE_ALBUMART
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if (track->aa_hid >= 0) {
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if (bufclose(track->aa_hid))
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track->aa_hid = -1;
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else
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return false;
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}
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#endif
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track->filesize = 0;
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track->taginfo_ready = false;
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track->event_sent = false;
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return true;
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}
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/* --- External interfaces --- */
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/* This sends a stop message and the audio thread will dump all it's
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subsequenct messages */
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void audio_hard_stop(void)
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{
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/* Stop playback */
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LOGFQUEUE("audio >| audio Q_AUDIO_STOP: 1");
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queue_send(&audio_queue, Q_AUDIO_STOP, 1);
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#ifdef PLAYBACK_VOICE
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voice_stop();
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#endif
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}
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bool audio_restore_playback(int type)
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{
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switch (type)
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{
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case AUDIO_WANT_PLAYBACK:
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if (buffer_state != BUFFER_STATE_INITIALIZED)
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audio_reset_buffer();
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return true;
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case AUDIO_WANT_VOICE:
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if (buffer_state == BUFFER_STATE_TRASHED)
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audio_reset_buffer();
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return true;
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default:
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return false;
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}
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}
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unsigned char *audio_get_buffer(bool talk_buf, size_t *buffer_size)
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{
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unsigned char *buf, *end;
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if (audio_is_initialized)
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{
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audio_hard_stop();
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}
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/* else buffer_state will be BUFFER_STATE_TRASHED at this point */
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if (buffer_size == NULL)
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{
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/* Special case for talk_init to use since it already knows it's
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trashed */
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buffer_state = BUFFER_STATE_TRASHED;
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return NULL;
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}
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if (talk_buf || buffer_state == BUFFER_STATE_TRASHED
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|| !talk_voice_required())
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{
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logf("get buffer: talk, audio");
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/* Ok to use everything from audiobuf to audiobufend - voice is loaded,
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the talk buffer is not needed because voice isn't being used, or
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could be BUFFER_STATE_TRASHED already. If state is
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BUFFER_STATE_VOICED_ONLY, no problem as long as memory isn't written
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without the caller knowing what's going on. Changing certain settings
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may move it to a worse condition but the memory in use by something
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else will remain undisturbed.
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*/
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if (buffer_state != BUFFER_STATE_TRASHED)
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{
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talk_buffer_steal();
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buffer_state = BUFFER_STATE_TRASHED;
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}
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buf = audiobuf;
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end = audiobufend;
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}
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else
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{
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/* Safe to just return this if already BUFFER_STATE_VOICED_ONLY or
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still BUFFER_STATE_INITIALIZED */
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/* Skip talk buffer and move pcm buffer to end to maximize available
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contiguous memory - no audio running means voice will not need the
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swap space */
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logf("get buffer: audio");
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buf = audiobuf + talk_get_bufsize();
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end = audiobufend - pcmbuf_init(audiobufend);
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buffer_state = BUFFER_STATE_VOICED_ONLY;
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}
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*buffer_size = end - buf;
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return buf;
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}
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#ifdef HAVE_RECORDING
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unsigned char *audio_get_recording_buffer(size_t *buffer_size)
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{
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/* Stop audio, voice and obtain all available buffer space */
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audio_hard_stop();
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talk_buffer_steal();
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unsigned char *end = audiobufend;
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buffer_state = BUFFER_STATE_TRASHED;
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*buffer_size = end - audiobuf;
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return (unsigned char *)audiobuf;
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}
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bool audio_load_encoder(int afmt)
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{
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#ifndef SIMULATOR
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const char *enc_fn = get_codec_filename(afmt | CODEC_TYPE_ENCODER);
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if (!enc_fn)
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return false;
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audio_remove_encoder();
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ci.enc_codec_loaded = 0; /* clear any previous error condition */
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LOGFQUEUE("codec > Q_ENCODER_LOAD_DISK");
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queue_post(&codec_queue, Q_ENCODER_LOAD_DISK, (intptr_t)enc_fn);
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while (ci.enc_codec_loaded == 0)
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yield();
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logf("codec loaded: %d", ci.enc_codec_loaded);
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return ci.enc_codec_loaded > 0;
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#else
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(void)afmt;
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return true;
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#endif
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} /* audio_load_encoder */
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void audio_remove_encoder(void)
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{
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#ifndef SIMULATOR
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/* force encoder codec unload (if currently loaded) */
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if (ci.enc_codec_loaded <= 0)
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return;
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ci.stop_encoder = true;
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while (ci.enc_codec_loaded > 0)
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yield();
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#endif
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} /* audio_remove_encoder */
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#endif /* HAVE_RECORDING */
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#ifdef HAVE_ALBUMART
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int audio_current_aa_hid(void)
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{
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int cur_idx;
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int offset = ci.new_track + wps_offset;
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cur_idx = track_ridx + offset;
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cur_idx &= MAX_TRACK_MASK;
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return tracks[cur_idx].aa_hid;
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}
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#endif
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struct mp3entry* audio_current_track(void)
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{
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const char *filename;
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const char *p;
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static struct mp3entry temp_id3;
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int cur_idx;
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int offset = ci.new_track + wps_offset;
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cur_idx = track_ridx + offset;
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cur_idx &= MAX_TRACK_MASK;
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|
|
if (cur_idx == track_ridx && *curtrack_id3.path)
|
|
{
|
|
/* The usual case */
|
|
return &curtrack_id3;
|
|
}
|
|
else if (offset == -1 && *prevtrack_id3.path)
|
|
{
|
|
/* We're in a track transition. The codec has moved on to the nex track,
|
|
but the audio being played is still the same (now previous) track.
|
|
prevtrack_id3.elapsed is being updated in an ISR by
|
|
codec_pcmbuf_position_callback */
|
|
return &prevtrack_id3;
|
|
}
|
|
else if (tracks[cur_idx].id3_hid >= 0)
|
|
{
|
|
/* Get the ID3 metadata from the main buffer */
|
|
return bufgetid3(tracks[cur_idx].id3_hid);
|
|
}
|
|
|
|
/* We didn't find the ID3 metadata, so we fill temp_id3 with the little info
|
|
we have and return that. */
|
|
|
|
memset(&temp_id3, 0, sizeof(struct mp3entry));
|
|
|
|
filename = playlist_peek(0);
|
|
if (!filename)
|
|
filename = "No file!";
|
|
|
|
#ifdef HAVE_TC_RAMCACHE
|
|
if (tagcache_fill_tags(&temp_id3, filename))
|
|
return &temp_id3;
|
|
#endif
|
|
|
|
p = strrchr(filename, '/');
|
|
if (!p)
|
|
p = filename;
|
|
else
|
|
p++;
|
|
|
|
strncpy(temp_id3.path, p, sizeof(temp_id3.path)-1);
|
|
temp_id3.title = &temp_id3.path[0];
|
|
|
|
return &temp_id3;
|
|
}
|
|
|
|
struct mp3entry* audio_next_track(void)
|
|
{
|
|
int next_idx = track_ridx;
|
|
|
|
if (!audio_have_tracks())
|
|
return NULL;
|
|
|
|
if (wps_offset == -1 && *prevtrack_id3.path)
|
|
{
|
|
/* We're in a track transition. The next track for the WPS is the one
|
|
currently being decoded. */
|
|
return &curtrack_id3;
|
|
}
|
|
|
|
next_idx++;
|
|
next_idx &= MAX_TRACK_MASK;
|
|
|
|
if (next_idx == track_widx)
|
|
{
|
|
/* The next track hasn't been buffered yet, so we return the static
|
|
version of its metadata. */
|
|
return &lasttrack_id3;
|
|
}
|
|
|
|
if (tracks[next_idx].id3_hid < 0)
|
|
return NULL;
|
|
else
|
|
return bufgetid3(tracks[next_idx].id3_hid);
|
|
}
|
|
|
|
bool audio_has_changed_track(void)
|
|
{
|
|
if (track_changed)
|
|
{
|
|
track_changed = false;
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
void audio_play(long offset)
|
|
{
|
|
logf("audio_play");
|
|
|
|
#ifdef PLAYBACK_VOICE
|
|
/* Truncate any existing voice output so we don't have spelling
|
|
* etc. over the first part of the played track */
|
|
talk_force_shutup();
|
|
#endif
|
|
|
|
/* Start playback */
|
|
LOGFQUEUE("audio >| audio Q_AUDIO_PLAY: %ld", offset);
|
|
/* Don't return until playback has actually started */
|
|
queue_send(&audio_queue, Q_AUDIO_PLAY, offset);
|
|
}
|
|
|
|
void audio_stop(void)
|
|
{
|
|
/* Stop playback */
|
|
LOGFQUEUE("audio >| audio Q_AUDIO_STOP");
|
|
/* Don't return until playback has actually stopped */
|
|
queue_send(&audio_queue, Q_AUDIO_STOP, 0);
|
|
}
|
|
|
|
void audio_pause(void)
|
|
{
|
|
LOGFQUEUE("audio >| audio Q_AUDIO_PAUSE");
|
|
/* Don't return until playback has actually paused */
|
|
queue_send(&audio_queue, Q_AUDIO_PAUSE, true);
|
|
}
|
|
|
|
void audio_resume(void)
|
|
{
|
|
LOGFQUEUE("audio >| audio Q_AUDIO_PAUSE resume");
|
|
/* Don't return until playback has actually resumed */
|
|
queue_send(&audio_queue, Q_AUDIO_PAUSE, false);
|
|
}
|
|
|
|
void audio_next(void)
|
|
{
|
|
if (playlist_check(ci.new_track + wps_offset + 1))
|
|
{
|
|
if (global_settings.beep)
|
|
pcmbuf_beep(5000, 100, 2500*global_settings.beep);
|
|
|
|
LOGFQUEUE("audio > audio Q_AUDIO_SKIP 1");
|
|
queue_post(&audio_queue, Q_AUDIO_SKIP, 1);
|
|
/* Update wps while our message travels inside deep playback queues. */
|
|
wps_offset++;
|
|
track_changed = true;
|
|
}
|
|
else
|
|
{
|
|
/* No more tracks. */
|
|
if (global_settings.beep)
|
|
pcmbuf_beep(1000, 100, 1000*global_settings.beep);
|
|
}
|
|
}
|
|
|
|
void audio_prev(void)
|
|
{
|
|
if (playlist_check(ci.new_track + wps_offset - 1))
|
|
{
|
|
if (global_settings.beep)
|
|
pcmbuf_beep(5000, 100, 2500*global_settings.beep);
|
|
|
|
LOGFQUEUE("audio > audio Q_AUDIO_SKIP -1");
|
|
queue_post(&audio_queue, Q_AUDIO_SKIP, -1);
|
|
/* Update wps while our message travels inside deep playback queues. */
|
|
wps_offset--;
|
|
track_changed = true;
|
|
}
|
|
else
|
|
{
|
|
/* No more tracks. */
|
|
if (global_settings.beep)
|
|
pcmbuf_beep(1000, 100, 1000*global_settings.beep);
|
|
}
|
|
}
|
|
|
|
void audio_next_dir(void)
|
|
{
|
|
LOGFQUEUE("audio > audio Q_AUDIO_DIR_SKIP 1");
|
|
queue_post(&audio_queue, Q_AUDIO_DIR_SKIP, 1);
|
|
}
|
|
|
|
void audio_prev_dir(void)
|
|
{
|
|
LOGFQUEUE("audio > audio Q_AUDIO_DIR_SKIP -1");
|
|
queue_post(&audio_queue, Q_AUDIO_DIR_SKIP, -1);
|
|
}
|
|
|
|
void audio_pre_ff_rewind(void)
|
|
{
|
|
LOGFQUEUE("audio > audio Q_AUDIO_PRE_FF_REWIND");
|
|
queue_post(&audio_queue, Q_AUDIO_PRE_FF_REWIND, 0);
|
|
}
|
|
|
|
void audio_ff_rewind(long newpos)
|
|
{
|
|
LOGFQUEUE("audio > audio Q_AUDIO_FF_REWIND");
|
|
queue_post(&audio_queue, Q_AUDIO_FF_REWIND, newpos);
|
|
}
|
|
|
|
void audio_flush_and_reload_tracks(void)
|
|
{
|
|
LOGFQUEUE("audio > audio Q_AUDIO_FLUSH");
|
|
queue_post(&audio_queue, Q_AUDIO_FLUSH, 0);
|
|
}
|
|
|
|
void audio_error_clear(void)
|
|
{
|
|
#ifdef AUDIO_HAVE_RECORDING
|
|
pcm_rec_error_clear();
|
|
#endif
|
|
}
|
|
|
|
int audio_status(void)
|
|
{
|
|
int ret = 0;
|
|
|
|
if (playing)
|
|
ret |= AUDIO_STATUS_PLAY;
|
|
|
|
if (paused)
|
|
ret |= AUDIO_STATUS_PAUSE;
|
|
|
|
#ifdef HAVE_RECORDING
|
|
/* Do this here for constitency with mpeg.c version */
|
|
ret |= pcm_rec_status();
|
|
#endif
|
|
|
|
return ret;
|
|
}
|
|
|
|
int audio_get_file_pos(void)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
#ifndef HAVE_FLASH_STORAGE
|
|
void audio_set_buffer_margin(int setting)
|
|
{
|
|
static const int lookup[] = {5, 15, 30, 60, 120, 180, 300, 600};
|
|
buffer_margin = lookup[setting];
|
|
logf("buffer margin: %ld", (long)buffer_margin);
|
|
set_filebuf_watermark(buffer_margin, 0);
|
|
}
|
|
#endif
|
|
|
|
/* Take nescessary steps to enable or disable the crossfade setting */
|
|
void audio_set_crossfade(int enable)
|
|
{
|
|
size_t offset;
|
|
bool was_playing;
|
|
size_t size;
|
|
|
|
/* Tell it the next setting to use */
|
|
pcmbuf_crossfade_enable(enable);
|
|
|
|
/* Return if size hasn't changed or this is too early to determine
|
|
which in the second case there's no way we could be playing
|
|
anything at all */
|
|
if (pcmbuf_is_same_size())
|
|
{
|
|
/* This function is a copout and just syncs some variables -
|
|
to be removed at a later date */
|
|
pcmbuf_crossfade_enable_finished();
|
|
return;
|
|
}
|
|
|
|
offset = 0;
|
|
was_playing = playing;
|
|
|
|
/* Playback has to be stopped before changing the buffer size */
|
|
if (was_playing)
|
|
{
|
|
/* Store the track resume position */
|
|
offset = curtrack_id3.offset;
|
|
gui_syncsplash(0, str(LANG_RESTARTING_PLAYBACK));
|
|
}
|
|
|
|
/* Blast it - audio buffer will have to be setup again next time
|
|
something plays */
|
|
audio_get_buffer(true, &size);
|
|
|
|
/* Restart playback if audio was running previously */
|
|
if (was_playing)
|
|
audio_play(offset);
|
|
}
|
|
|
|
/* --- Routines called from multiple threads --- */
|
|
|
|
static void set_filebuf_watermark(int seconds, size_t max)
|
|
{
|
|
size_t bytes;
|
|
|
|
if (!filebuf)
|
|
return; /* Audio buffers not yet set up */
|
|
|
|
bytes = seconds?MAX(curtrack_id3.bitrate * seconds * (1000/8), max):max;
|
|
bytes = MIN(bytes, filebuflen / 2);
|
|
buf_set_watermark(bytes);
|
|
}
|
|
|
|
const char * get_codec_filename(int cod_spec)
|
|
{
|
|
const char *fname;
|
|
|
|
#ifdef HAVE_RECORDING
|
|
/* Can choose decoder or encoder if one available */
|
|
int type = cod_spec & CODEC_TYPE_MASK;
|
|
int afmt = cod_spec & CODEC_AFMT_MASK;
|
|
|
|
if ((unsigned)afmt >= AFMT_NUM_CODECS)
|
|
type = AFMT_UNKNOWN | (type & CODEC_TYPE_MASK);
|
|
|
|
fname = (type == CODEC_TYPE_ENCODER) ?
|
|
audio_formats[afmt].codec_enc_root_fn :
|
|
audio_formats[afmt].codec_root_fn;
|
|
|
|
logf("%s: %d - %s",
|
|
(type == CODEC_TYPE_ENCODER) ? "Encoder" : "Decoder",
|
|
afmt, fname ? fname : "<unknown>");
|
|
#else /* !HAVE_RECORDING */
|
|
/* Always decoder */
|
|
if ((unsigned)cod_spec >= AFMT_NUM_CODECS)
|
|
cod_spec = AFMT_UNKNOWN;
|
|
fname = audio_formats[cod_spec].codec_root_fn;
|
|
logf("Codec: %d - %s", cod_spec, fname ? fname : "<unknown>");
|
|
#endif /* HAVE_RECORDING */
|
|
|
|
return fname;
|
|
} /* get_codec_filename */
|
|
|
|
/* --- Codec thread --- */
|
|
static bool codec_pcmbuf_insert_callback(
|
|
const void *ch1, const void *ch2, int count)
|
|
{
|
|
const char *src[2] = { ch1, ch2 };
|
|
|
|
while (count > 0)
|
|
{
|
|
int out_count = dsp_output_count(ci.dsp, count);
|
|
int inp_count;
|
|
char *dest;
|
|
|
|
/* Prevent audio from a previous track from playing */
|
|
if (ci.new_track || ci.stop_codec)
|
|
return true;
|
|
|
|
while ((dest = pcmbuf_request_buffer(&out_count)) == NULL)
|
|
{
|
|
sleep(1);
|
|
if (ci.seek_time || ci.new_track || ci.stop_codec)
|
|
return true;
|
|
}
|
|
|
|
/* Get the real input_size for output_size bytes, guarding
|
|
* against resampling buffer overflows. */
|
|
inp_count = dsp_input_count(ci.dsp, out_count);
|
|
|
|
if (inp_count <= 0)
|
|
return true;
|
|
|
|
/* Input size has grown, no error, just don't write more than length */
|
|
if (inp_count > count)
|
|
inp_count = count;
|
|
|
|
out_count = dsp_process(ci.dsp, dest, src, inp_count);
|
|
|
|
if (out_count <= 0)
|
|
return true;
|
|
|
|
pcmbuf_write_complete(out_count);
|
|
|
|
count -= inp_count;
|
|
}
|
|
|
|
return true;
|
|
} /* codec_pcmbuf_insert_callback */
|
|
|
|
static void* codec_get_memory_callback(size_t *size)
|
|
{
|
|
*size = MALLOC_BUFSIZE;
|
|
return malloc_buf;
|
|
}
|
|
|
|
/* Between the codec and PCM track change, we need to keep updating the
|
|
"elapsed" value of the previous (to the codec, but current to the
|
|
user/PCM/WPS) track, so that the progressbar reaches the end.
|
|
During that transition, the WPS will display prevtrack_id3. */
|
|
static void codec_pcmbuf_position_callback(size_t size) ICODE_ATTR;
|
|
static void codec_pcmbuf_position_callback(size_t size)
|
|
{
|
|
/* This is called from an ISR, so be quick */
|
|
unsigned int time = size * 1000 / 4 / NATIVE_FREQUENCY +
|
|
prevtrack_id3.elapsed;
|
|
|
|
if (time >= prevtrack_id3.length)
|
|
{
|
|
pcmbuf_set_position_callback(NULL);
|
|
prevtrack_id3.elapsed = prevtrack_id3.length;
|
|
}
|
|
else
|
|
prevtrack_id3.elapsed = time;
|
|
}
|
|
|
|
static void codec_set_elapsed_callback(unsigned int value)
|
|
{
|
|
unsigned int latency;
|
|
if (ci.seek_time)
|
|
return;
|
|
|
|
#ifdef AB_REPEAT_ENABLE
|
|
ab_position_report(value);
|
|
#endif
|
|
|
|
latency = pcmbuf_get_latency();
|
|
if (value < latency)
|
|
curtrack_id3.elapsed = 0;
|
|
else if (value - latency > curtrack_id3.elapsed ||
|
|
value - latency < curtrack_id3.elapsed - 2)
|
|
{
|
|
curtrack_id3.elapsed = value - latency;
|
|
}
|
|
}
|
|
|
|
static void codec_set_offset_callback(size_t value)
|
|
{
|
|
unsigned int latency;
|
|
|
|
if (ci.seek_time)
|
|
return;
|
|
|
|
latency = pcmbuf_get_latency() * curtrack_id3.bitrate / 8;
|
|
if (value < latency)
|
|
curtrack_id3.offset = 0;
|
|
else
|
|
curtrack_id3.offset = value - latency;
|
|
}
|
|
|
|
static void codec_advance_buffer_counters(size_t amount)
|
|
{
|
|
bufadvance(CUR_TI->audio_hid, amount);
|
|
ci.curpos += amount;
|
|
}
|
|
|
|
/* copy up-to size bytes into ptr and return the actual size copied */
|
|
static size_t codec_filebuf_callback(void *ptr, size_t size)
|
|
{
|
|
ssize_t copy_n;
|
|
|
|
if (ci.stop_codec || !playing)
|
|
return 0;
|
|
|
|
copy_n = bufread(CUR_TI->audio_hid, size, ptr);
|
|
|
|
/* Nothing requested OR nothing left */
|
|
if (copy_n == 0)
|
|
return 0;
|
|
|
|
/* Update read and other position pointers */
|
|
codec_advance_buffer_counters(copy_n);
|
|
|
|
/* Return the actual amount of data copied to the buffer */
|
|
return copy_n;
|
|
} /* codec_filebuf_callback */
|
|
|
|
static void* codec_request_buffer_callback(size_t *realsize, size_t reqsize)
|
|
{
|
|
size_t copy_n = reqsize;
|
|
ssize_t ret;
|
|
void *ptr;
|
|
|
|
if (!playing)
|
|
{
|
|
*realsize = 0;
|
|
return NULL;
|
|
}
|
|
|
|
ret = bufgetdata(CUR_TI->audio_hid, reqsize, &ptr);
|
|
if (ret >= 0)
|
|
copy_n = MIN((size_t)ret, reqsize);
|
|
|
|
if (copy_n == 0)
|
|
{
|
|
*realsize = 0;
|
|
return NULL;
|
|
}
|
|
|
|
*realsize = copy_n;
|
|
|
|
return ptr;
|
|
} /* codec_request_buffer_callback */
|
|
|
|
static int get_codec_base_type(int type)
|
|
{
|
|
switch (type) {
|
|
case AFMT_MPA_L1:
|
|
case AFMT_MPA_L2:
|
|
case AFMT_MPA_L3:
|
|
return AFMT_MPA_L3;
|
|
}
|
|
|
|
return type;
|
|
}
|
|
|
|
static void codec_advance_buffer_callback(size_t amount)
|
|
{
|
|
codec_advance_buffer_counters(amount);
|
|
codec_set_offset_callback(ci.curpos);
|
|
}
|
|
|
|
static void codec_advance_buffer_loc_callback(void *ptr)
|
|
{
|
|
size_t amount = buf_get_offset(CUR_TI->audio_hid, ptr);
|
|
codec_advance_buffer_callback(amount);
|
|
}
|
|
|
|
/* Copied from mpeg.c. Should be moved somewhere else. */
|
|
static int codec_get_file_pos(void)
|
|
{
|
|
int pos = -1;
|
|
struct mp3entry *id3 = audio_current_track();
|
|
|
|
if (id3->vbr)
|
|
{
|
|
if (id3->has_toc)
|
|
{
|
|
/* Use the TOC to find the new position */
|
|
unsigned int percent, remainder;
|
|
int curtoc, nexttoc, plen;
|
|
|
|
percent = (id3->elapsed*100)/id3->length;
|
|
if (percent > 99)
|
|
percent = 99;
|
|
|
|
curtoc = id3->toc[percent];
|
|
|
|
if (percent < 99)
|
|
nexttoc = id3->toc[percent+1];
|
|
else
|
|
nexttoc = 256;
|
|
|
|
pos = (id3->filesize/256)*curtoc;
|
|
|
|
/* Use the remainder to get a more accurate position */
|
|
remainder = (id3->elapsed*100)%id3->length;
|
|
remainder = (remainder*100)/id3->length;
|
|
plen = (nexttoc - curtoc)*(id3->filesize/256);
|
|
pos += (plen/100)*remainder;
|
|
}
|
|
else
|
|
{
|
|
/* No TOC exists, estimate the new position */
|
|
pos = (id3->filesize / (id3->length / 1000)) *
|
|
(id3->elapsed / 1000);
|
|
}
|
|
}
|
|
else if (id3->bitrate)
|
|
pos = id3->elapsed * (id3->bitrate / 8);
|
|
else
|
|
return -1;
|
|
|
|
pos += id3->first_frame_offset;
|
|
|
|
/* Don't seek right to the end of the file so that we can
|
|
transition properly to the next song */
|
|
if (pos >= (int)(id3->filesize - id3->id3v1len))
|
|
pos = id3->filesize - id3->id3v1len - 1;
|
|
|
|
return pos;
|
|
}
|
|
|
|
static off_t codec_mp3_get_filepos_callback(int newtime)
|
|
{
|
|
off_t newpos;
|
|
|
|
curtrack_id3.elapsed = newtime;
|
|
newpos = codec_get_file_pos();
|
|
|
|
return newpos;
|
|
}
|
|
|
|
static void codec_seek_complete_callback(void)
|
|
{
|
|
logf("seek_complete");
|
|
if (pcm_is_paused())
|
|
{
|
|
/* If this is not a seamless seek, clear the buffer */
|
|
pcmbuf_play_stop();
|
|
dsp_configure(ci.dsp, DSP_FLUSH, 0);
|
|
|
|
/* If playback was not 'deliberately' paused, unpause now */
|
|
if (!paused)
|
|
pcmbuf_pause(false);
|
|
}
|
|
ci.seek_time = 0;
|
|
}
|
|
|
|
static bool codec_seek_buffer_callback(size_t newpos)
|
|
{
|
|
logf("codec_seek_buffer_callback");
|
|
|
|
int ret = bufseek(CUR_TI->audio_hid, newpos);
|
|
if (ret == 0) {
|
|
ci.curpos = newpos;
|
|
return true;
|
|
}
|
|
else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
static void codec_configure_callback(int setting, intptr_t value)
|
|
{
|
|
switch (setting) {
|
|
case CODEC_SET_FILEBUF_WATERMARK:
|
|
set_filebuf_watermark(buffer_margin, value);
|
|
break;
|
|
|
|
default:
|
|
if (!dsp_configure(ci.dsp, setting, value))
|
|
{ logf("Illegal key:%d", setting); }
|
|
}
|
|
}
|
|
|
|
static void codec_track_changed(void)
|
|
{
|
|
LOGFQUEUE("codec > audio Q_AUDIO_TRACK_CHANGED");
|
|
queue_post(&audio_queue, Q_AUDIO_TRACK_CHANGED, 0);
|
|
}
|
|
|
|
static void codec_pcmbuf_track_changed_callback(void)
|
|
{
|
|
pcmbuf_set_position_callback(NULL);
|
|
codec_track_changed();
|
|
}
|
|
|
|
static void codec_discard_codec_callback(void)
|
|
{
|
|
if (CUR_TI->codec_hid >= 0)
|
|
{
|
|
bufclose(CUR_TI->codec_hid);
|
|
CUR_TI->codec_hid = -1;
|
|
}
|
|
}
|
|
|
|
static inline void codec_gapless_track_change(void)
|
|
{
|
|
/* callback keeps the progress bar moving while the pcmbuf empties */
|
|
pcmbuf_set_position_callback(codec_pcmbuf_position_callback);
|
|
/* set the pcmbuf callback for when the track really changes */
|
|
pcmbuf_set_event_handler(codec_pcmbuf_track_changed_callback);
|
|
}
|
|
|
|
static inline void codec_crossfade_track_change(void)
|
|
{
|
|
/* Initiate automatic crossfade mode */
|
|
pcmbuf_crossfade_init(false);
|
|
/* Notify the wps that the track change starts now */
|
|
codec_track_changed();
|
|
}
|
|
|
|
static void codec_track_skip_done(bool was_manual)
|
|
{
|
|
/* Manual track change (always crossfade or flush audio). */
|
|
if (was_manual)
|
|
{
|
|
pcmbuf_crossfade_init(true);
|
|
LOGFQUEUE("codec > audio Q_AUDIO_TRACK_CHANGED");
|
|
queue_post(&audio_queue, Q_AUDIO_TRACK_CHANGED, 0);
|
|
}
|
|
/* Automatic track change w/crossfade, if not in "Track Skip Only" mode. */
|
|
else if (pcmbuf_is_crossfade_enabled() && !pcmbuf_is_crossfade_active()
|
|
&& global_settings.crossfade != CROSSFADE_ENABLE_TRACKSKIP)
|
|
{
|
|
if (global_settings.crossfade == CROSSFADE_ENABLE_SHUFFLE_AND_TRACKSKIP)
|
|
{
|
|
if (global_settings.playlist_shuffle)
|
|
/* shuffle mode is on, so crossfade: */
|
|
codec_crossfade_track_change();
|
|
else
|
|
/* shuffle mode is off, so do a gapless track change */
|
|
codec_gapless_track_change();
|
|
}
|
|
else
|
|
/* normal crossfade: */
|
|
codec_crossfade_track_change();
|
|
}
|
|
else
|
|
/* normal gapless playback. */
|
|
codec_gapless_track_change();
|
|
}
|
|
|
|
static bool codec_load_next_track(void)
|
|
{
|
|
intptr_t result = Q_CODEC_REQUEST_FAILED;
|
|
|
|
prev_track_elapsed = curtrack_id3.elapsed;
|
|
|
|
if (ci.seek_time)
|
|
codec_seek_complete_callback();
|
|
|
|
#ifdef AB_REPEAT_ENABLE
|
|
ab_end_of_track_report();
|
|
#endif
|
|
|
|
logf("Request new track");
|
|
|
|
if (ci.new_track == 0)
|
|
{
|
|
ci.new_track++;
|
|
automatic_skip = true;
|
|
}
|
|
|
|
if (!ci.stop_codec)
|
|
{
|
|
trigger_cpu_boost();
|
|
LOGFQUEUE("codec >| audio Q_AUDIO_CHECK_NEW_TRACK");
|
|
result = queue_send(&audio_queue, Q_AUDIO_CHECK_NEW_TRACK, 0);
|
|
}
|
|
|
|
switch (result)
|
|
{
|
|
case Q_CODEC_REQUEST_COMPLETE:
|
|
LOGFQUEUE("codec |< Q_CODEC_REQUEST_COMPLETE");
|
|
codec_track_skip_done(!automatic_skip);
|
|
return true;
|
|
|
|
case Q_CODEC_REQUEST_FAILED:
|
|
LOGFQUEUE("codec |< Q_CODEC_REQUEST_FAILED");
|
|
ci.new_track = 0;
|
|
ci.stop_codec = true;
|
|
return false;
|
|
|
|
default:
|
|
LOGFQUEUE("codec |< default");
|
|
ci.stop_codec = true;
|
|
return false;
|
|
}
|
|
}
|
|
|
|
static bool codec_request_next_track_callback(void)
|
|
{
|
|
int prev_codectype;
|
|
|
|
if (ci.stop_codec || !playing)
|
|
return false;
|
|
|
|
prev_codectype = get_codec_base_type(curtrack_id3.codectype);
|
|
|
|
if (!codec_load_next_track())
|
|
return false;
|
|
|
|
/* Seek to the beginning of the new track because if the struct mp3entry was
|
|
buffered, "elapsed" might not be zero (if the track has been played
|
|
already but not unbuffered) */
|
|
codec_seek_buffer_callback(curtrack_id3.first_frame_offset);
|
|
|
|
/* Check if the next codec is the same file. */
|
|
if (prev_codectype == get_codec_base_type(curtrack_id3.codectype))
|
|
{
|
|
logf("New track loaded");
|
|
codec_discard_codec_callback();
|
|
return true;
|
|
}
|
|
else
|
|
{
|
|
logf("New codec:%d/%d", curtrack_id3.codectype, prev_codectype);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
static void codec_thread(void)
|
|
{
|
|
struct queue_event ev;
|
|
int status;
|
|
|
|
while (1) {
|
|
status = 0;
|
|
queue_wait(&codec_queue, &ev);
|
|
|
|
switch (ev.id) {
|
|
case Q_CODEC_LOAD_DISK:
|
|
LOGFQUEUE("codec < Q_CODEC_LOAD_DISK");
|
|
queue_reply(&codec_queue, 1);
|
|
audio_codec_loaded = true;
|
|
ci.stop_codec = false;
|
|
status = codec_load_file((const char *)ev.data, &ci);
|
|
break;
|
|
|
|
case Q_CODEC_LOAD:
|
|
LOGFQUEUE("codec < Q_CODEC_LOAD");
|
|
if (CUR_TI->codec_hid < 0) {
|
|
logf("Codec slot is empty!");
|
|
/* Wait for the pcm buffer to go empty */
|
|
while (pcm_is_playing())
|
|
yield();
|
|
/* This must be set to prevent an infinite loop */
|
|
ci.stop_codec = true;
|
|
LOGFQUEUE("codec > codec Q_AUDIO_PLAY");
|
|
queue_post(&codec_queue, Q_AUDIO_PLAY, 0);
|
|
break;
|
|
}
|
|
|
|
audio_codec_loaded = true;
|
|
ci.stop_codec = false;
|
|
status = codec_load_buf(CUR_TI->codec_hid, &ci);
|
|
break;
|
|
|
|
#ifdef AUDIO_HAVE_RECORDING
|
|
case Q_ENCODER_LOAD_DISK:
|
|
LOGFQUEUE("codec < Q_ENCODER_LOAD_DISK");
|
|
audio_codec_loaded = false; /* Not audio codec! */
|
|
logf("loading encoder");
|
|
ci.stop_encoder = false;
|
|
status = codec_load_file((const char *)ev.data, &ci);
|
|
logf("encoder stopped");
|
|
break;
|
|
#endif /* AUDIO_HAVE_RECORDING */
|
|
|
|
default:
|
|
LOGFQUEUE("codec < default");
|
|
}
|
|
|
|
if (audio_codec_loaded)
|
|
{
|
|
if (ci.stop_codec)
|
|
{
|
|
status = CODEC_OK;
|
|
if (!playing)
|
|
pcmbuf_play_stop();
|
|
|
|
}
|
|
audio_codec_loaded = false;
|
|
}
|
|
|
|
switch (ev.id) {
|
|
case Q_CODEC_LOAD_DISK:
|
|
case Q_CODEC_LOAD:
|
|
LOGFQUEUE("codec < Q_CODEC_LOAD");
|
|
if (playing)
|
|
{
|
|
if (ci.new_track || status != CODEC_OK)
|
|
{
|
|
if (!ci.new_track)
|
|
{
|
|
logf("Codec failure");
|
|
gui_syncsplash(HZ*2, "Codec failure");
|
|
}
|
|
|
|
if (!codec_load_next_track())
|
|
{
|
|
LOGFQUEUE("codec > audio Q_AUDIO_STOP");
|
|
/* End of playlist */
|
|
queue_post(&audio_queue, Q_AUDIO_STOP, 0);
|
|
break;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
logf("Codec finished");
|
|
if (ci.stop_codec)
|
|
{
|
|
/* Wait for the audio to stop playing before
|
|
* triggering the WPS exit */
|
|
while(pcm_is_playing())
|
|
{
|
|
curtrack_id3.elapsed =
|
|
curtrack_id3.length - pcmbuf_get_latency();
|
|
sleep(1);
|
|
}
|
|
LOGFQUEUE("codec > audio Q_AUDIO_STOP");
|
|
/* End of playlist */
|
|
queue_post(&audio_queue, Q_AUDIO_STOP, 0);
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (CUR_TI->codec_hid >= 0)
|
|
{
|
|
LOGFQUEUE("codec > codec Q_CODEC_LOAD");
|
|
queue_post(&codec_queue, Q_CODEC_LOAD, 0);
|
|
}
|
|
else
|
|
{
|
|
const char *codec_fn =
|
|
get_codec_filename(curtrack_id3.codectype);
|
|
LOGFQUEUE("codec > codec Q_CODEC_LOAD_DISK");
|
|
queue_post(&codec_queue, Q_CODEC_LOAD_DISK,
|
|
(intptr_t)codec_fn);
|
|
}
|
|
}
|
|
break;
|
|
|
|
#ifdef AUDIO_HAVE_RECORDING
|
|
case Q_ENCODER_LOAD_DISK:
|
|
LOGFQUEUE("codec < Q_ENCODER_LOAD_DISK");
|
|
|
|
if (status == CODEC_OK)
|
|
break;
|
|
|
|
logf("Encoder failure");
|
|
gui_syncsplash(HZ*2, "Encoder failure");
|
|
|
|
if (ci.enc_codec_loaded < 0)
|
|
break;
|
|
|
|
logf("Encoder failed to load");
|
|
ci.enc_codec_loaded = -1;
|
|
break;
|
|
#endif /* AUDIO_HAVE_RECORDING */
|
|
|
|
default:
|
|
LOGFQUEUE("codec < default");
|
|
|
|
} /* end switch */
|
|
}
|
|
}
|
|
|
|
|
|
/* --- Audio thread --- */
|
|
|
|
static bool audio_have_tracks(void)
|
|
{
|
|
return track_ridx != track_widx || CUR_TI->filesize;
|
|
}
|
|
|
|
static bool audio_have_free_tracks(void)
|
|
{
|
|
if (track_widx < track_ridx)
|
|
return track_widx + 1 < track_ridx;
|
|
else if (track_ridx == 0)
|
|
return track_widx < MAX_TRACK - 1;
|
|
|
|
return true;
|
|
}
|
|
|
|
int audio_track_count(void)
|
|
{
|
|
if (audio_have_tracks())
|
|
{
|
|
int relative_track_widx = track_widx;
|
|
|
|
if (track_ridx > track_widx)
|
|
relative_track_widx += MAX_TRACK;
|
|
|
|
return relative_track_widx - track_ridx + 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
long audio_filebufused(void)
|
|
{
|
|
return (long) buf_used();
|
|
}
|
|
|
|
static void audio_update_trackinfo(void)
|
|
{
|
|
if (CUR_TI->id3_hid >= 0)
|
|
copy_mp3entry(&curtrack_id3, bufgetid3(CUR_TI->id3_hid));
|
|
|
|
CUR_TI->taginfo_ready = (CUR_TI->id3_hid >= 0);
|
|
|
|
int next_idx = track_ridx + 1;
|
|
next_idx &= MAX_TRACK_MASK;
|
|
|
|
tracks[next_idx].taginfo_ready = (tracks[next_idx].id3_hid >= 0);
|
|
|
|
ci.filesize = CUR_TI->filesize;
|
|
curtrack_id3.elapsed = 0;
|
|
curtrack_id3.offset = 0;
|
|
ci.id3 = &curtrack_id3;
|
|
ci.curpos = 0;
|
|
ci.taginfo_ready = &CUR_TI->taginfo_ready;
|
|
}
|
|
|
|
static void low_buffer_callback(void)
|
|
{
|
|
LOGFQUEUE("buffering > audio Q_AUDIO_FILL_BUFFER");
|
|
queue_post(&audio_queue, Q_AUDIO_FILL_BUFFER, 0);
|
|
}
|
|
|
|
static void audio_clear_track_entries(bool clear_unbuffered)
|
|
{
|
|
int cur_idx = track_widx;
|
|
|
|
logf("Clearing tracks:%d/%d, %d", track_ridx, track_widx, clear_unbuffered);
|
|
|
|
/* This function is always called in association with a stop or a rebuffer,
|
|
* we will reregister the callback at the end of a rebuffer if needed */
|
|
unregister_buffer_low_callback(low_buffer_callback);
|
|
|
|
/* Loop over all tracks from write-to-read */
|
|
while (1)
|
|
{
|
|
cur_idx++;
|
|
cur_idx &= MAX_TRACK_MASK;
|
|
|
|
if (cur_idx == track_ridx)
|
|
break;
|
|
|
|
/* If the track is buffered, conditionally clear/notify,
|
|
* otherwise clear the track if that option is selected */
|
|
if (tracks[cur_idx].event_sent)
|
|
{
|
|
/* If there is an unbuffer callback, call it, otherwise,
|
|
* just clear the track */
|
|
if (track_unbuffer_callback && tracks[cur_idx].id3_hid >= 0)
|
|
track_unbuffer_callback(bufgetid3(tracks[cur_idx].id3_hid));
|
|
|
|
clear_track_info(&tracks[cur_idx]);
|
|
}
|
|
else if (clear_unbuffered)
|
|
clear_track_info(&tracks[cur_idx]);
|
|
}
|
|
}
|
|
|
|
static bool audio_release_tracks(void)
|
|
{
|
|
int i, cur_idx;
|
|
|
|
logf("releasing all tracks");
|
|
|
|
for(i = 0; i < MAX_TRACK; i++)
|
|
{
|
|
cur_idx = (track_ridx + i) & MAX_TRACK_MASK;
|
|
if (!clear_track_info(&tracks[cur_idx]))
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
static bool audio_loadcodec(bool start_play)
|
|
{
|
|
int prev_track;
|
|
char codec_path[MAX_PATH]; /* Full path to codec */
|
|
|
|
if (tracks[track_widx].id3_hid < 0) {
|
|
return false;
|
|
}
|
|
|
|
const char * codec_fn =
|
|
get_codec_filename(bufgetid3(tracks[track_widx].id3_hid)->codectype);
|
|
if (codec_fn == NULL)
|
|
return false;
|
|
|
|
tracks[track_widx].codec_hid = -1;
|
|
|
|
if (start_play)
|
|
{
|
|
/* Load the codec directly from disk and save some memory. */
|
|
track_ridx = track_widx;
|
|
ci.filesize = CUR_TI->filesize;
|
|
ci.id3 = &curtrack_id3;
|
|
ci.taginfo_ready = &CUR_TI->taginfo_ready;
|
|
ci.curpos = 0;
|
|
LOGFQUEUE("codec > codec Q_CODEC_LOAD_DISK");
|
|
queue_post(&codec_queue, Q_CODEC_LOAD_DISK, (intptr_t)codec_fn);
|
|
return true;
|
|
}
|
|
else
|
|
{
|
|
/* If we already have another track than this one buffered */
|
|
if (track_widx != track_ridx)
|
|
{
|
|
prev_track = (track_widx - 1) & MAX_TRACK_MASK;
|
|
|
|
/* If the previous codec is the same as this one, there is no need
|
|
* to put another copy of it on the file buffer */
|
|
if (get_codec_base_type(
|
|
bufgetid3(tracks[track_widx].id3_hid)->codectype) ==
|
|
get_codec_base_type(
|
|
bufgetid3(tracks[prev_track].id3_hid)->codectype)
|
|
&& audio_codec_loaded)
|
|
{
|
|
logf("Reusing prev. codec");
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
|
|
codec_get_full_path(codec_path, codec_fn);
|
|
|
|
tracks[track_widx].codec_hid = bufopen(codec_path, 0, TYPE_CODEC);
|
|
if (tracks[track_widx].codec_hid < 0)
|
|
return false;
|
|
|
|
logf("Loaded codec");
|
|
|
|
return true;
|
|
}
|
|
|
|
/* TODO: Copied from mpeg.c. Should be moved somewhere else. */
|
|
static void audio_set_elapsed(struct mp3entry* id3)
|
|
{
|
|
unsigned long offset = id3->offset > id3->first_frame_offset ?
|
|
id3->offset - id3->first_frame_offset : 0;
|
|
|
|
if ( id3->vbr ) {
|
|
if ( id3->has_toc ) {
|
|
/* calculate elapsed time using TOC */
|
|
int i;
|
|
unsigned int remainder, plen, relpos, nextpos;
|
|
|
|
/* find wich percent we're at */
|
|
for (i=0; i<100; i++ )
|
|
if ( offset < id3->toc[i] * (id3->filesize / 256) )
|
|
break;
|
|
|
|
i--;
|
|
if (i < 0)
|
|
i = 0;
|
|
|
|
relpos = id3->toc[i];
|
|
|
|
if (i < 99)
|
|
nextpos = id3->toc[i+1];
|
|
else
|
|
nextpos = 256;
|
|
|
|
remainder = offset - (relpos * (id3->filesize / 256));
|
|
|
|
/* set time for this percent (divide before multiply to prevent
|
|
overflow on long files. loss of precision is negligible on
|
|
short files) */
|
|
id3->elapsed = i * (id3->length / 100);
|
|
|
|
/* calculate remainder time */
|
|
plen = (nextpos - relpos) * (id3->filesize / 256);
|
|
id3->elapsed += (((remainder * 100) / plen) *
|
|
(id3->length / 10000));
|
|
}
|
|
else {
|
|
/* no TOC exists. set a rough estimate using average bitrate */
|
|
int tpk = id3->length /
|
|
((id3->filesize - id3->first_frame_offset - id3->id3v1len) /
|
|
1024);
|
|
id3->elapsed = offset / 1024 * tpk;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
/* constant bitrate, use exact calculation */
|
|
if (id3->bitrate != 0)
|
|
id3->elapsed = offset / (id3->bitrate / 8);
|
|
}
|
|
}
|
|
|
|
/* Load one track by making the appropriate bufopen calls. Return true if
|
|
everything required was loaded correctly, false if not. */
|
|
static bool audio_load_track(int offset, bool start_play)
|
|
{
|
|
char *trackname;
|
|
char msgbuf[80];
|
|
int fd = -1;
|
|
int file_offset = 0;
|
|
struct mp3entry id3;
|
|
|
|
/* Stop buffer filling if there is no free track entries.
|
|
Don't fill up the last track entry (we wan't to store next track
|
|
metadata there). */
|
|
if (!audio_have_free_tracks())
|
|
{
|
|
logf("No free tracks");
|
|
return false;
|
|
}
|
|
|
|
last_peek_offset++;
|
|
peek_again:
|
|
logf("Buffering track:%d/%d", track_widx, track_ridx);
|
|
/* Get track name from current playlist read position. */
|
|
while ((trackname = playlist_peek(last_peek_offset)) != NULL)
|
|
{
|
|
/* Handle broken playlists. */
|
|
fd = open(trackname, O_RDONLY);
|
|
if (fd < 0)
|
|
{
|
|
logf("Open failed");
|
|
/* Skip invalid entry from playlist. */
|
|
playlist_skip_entry(NULL, last_peek_offset);
|
|
}
|
|
else
|
|
break;
|
|
}
|
|
|
|
if (!trackname)
|
|
{
|
|
logf("End-of-playlist");
|
|
playlist_end = true;
|
|
memset(&lasttrack_id3, 0, sizeof(struct mp3entry));
|
|
return false;
|
|
}
|
|
|
|
tracks[track_widx].filesize = filesize(fd);
|
|
|
|
/* Set default values */
|
|
if (start_play)
|
|
{
|
|
buf_set_watermark(AUDIO_DEFAULT_WATERMARK);
|
|
dsp_configure(ci.dsp, DSP_RESET, 0);
|
|
track_changed = true;
|
|
playlist_update_resume_info(audio_current_track());
|
|
}
|
|
|
|
/* Get track metadata if we don't already have it. */
|
|
if (tracks[track_widx].id3_hid < 0)
|
|
{
|
|
if (get_metadata(&id3, fd, trackname))
|
|
{
|
|
tracks[track_widx].id3_hid =
|
|
bufalloc(&id3, sizeof(struct mp3entry), TYPE_ID3);
|
|
tracks[track_widx].taginfo_ready = (tracks[track_widx].id3_hid >= 0);
|
|
|
|
if (tracks[track_widx].id3_hid < 0)
|
|
{
|
|
last_peek_offset--;
|
|
close(fd);
|
|
copy_mp3entry(&lasttrack_id3, &id3);
|
|
return false;
|
|
}
|
|
|
|
if (track_widx == track_ridx)
|
|
copy_mp3entry(&curtrack_id3, &id3);
|
|
|
|
if (start_play)
|
|
{
|
|
track_changed = true;
|
|
playlist_update_resume_info(audio_current_track());
|
|
}
|
|
}
|
|
else
|
|
{
|
|
logf("mde:%s!",trackname);
|
|
|
|
/* Skip invalid entry from playlist. */
|
|
playlist_skip_entry(NULL, last_peek_offset);
|
|
tracks[track_widx].taginfo_ready = false;
|
|
close(fd);
|
|
goto peek_again;
|
|
}
|
|
|
|
}
|
|
|
|
close(fd);
|
|
|
|
#if 0
|
|
if (cuesheet_is_enabled() && tracks[track_widx].id3.cuesheet_type == 1)
|
|
{
|
|
char cuepath[MAX_PATH];
|
|
|
|
struct cuesheet *cue = start_play ? curr_cue : temp_cue;
|
|
|
|
if (look_for_cuesheet_file(trackname, cuepath) &&
|
|
parse_cuesheet(cuepath, cue))
|
|
{
|
|
strcpy((cue)->audio_filename, trackname);
|
|
if (start_play)
|
|
cue_spoof_id3(curr_cue, &tracks[track_widx].id3);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
struct mp3entry *track_id3;
|
|
|
|
if (track_widx == track_ridx)
|
|
track_id3 = &curtrack_id3;
|
|
else
|
|
track_id3 = bufgetid3(tracks[track_widx].id3_hid);
|
|
|
|
#ifdef HAVE_ALBUMART
|
|
if (tracks[track_widx].aa_hid < 0 && gui_sync_wps_uses_albumart())
|
|
{
|
|
char aa_path[MAX_PATH];
|
|
if (find_albumart(track_id3, aa_path, sizeof(aa_path)))
|
|
tracks[track_widx].aa_hid = bufopen(aa_path, 0, TYPE_BITMAP);
|
|
}
|
|
#endif
|
|
|
|
/* Load the codec. */
|
|
if (!audio_loadcodec(start_play))
|
|
{
|
|
if (tracks[track_widx].codec_hid == ERR_BUFFER_FULL)
|
|
{
|
|
/* No space for codec on buffer, not an error */
|
|
return false;
|
|
}
|
|
|
|
/* This is an error condition, either no codec was found, or reading
|
|
* the codec file failed part way through, either way, skip the track */
|
|
snprintf(msgbuf, sizeof(msgbuf)-1, "No codec for: %s", trackname);
|
|
/* We should not use gui_syncplash from audio thread! */
|
|
gui_syncsplash(HZ*2, msgbuf);
|
|
/* Skip invalid entry from playlist. */
|
|
playlist_skip_entry(NULL, last_peek_offset);
|
|
tracks[track_widx].taginfo_ready = false;
|
|
goto peek_again;
|
|
}
|
|
|
|
track_id3->elapsed = 0;
|
|
|
|
enum data_type type = TYPE_PACKET_AUDIO;
|
|
|
|
switch (track_id3->codectype) {
|
|
case AFMT_MPA_L1:
|
|
case AFMT_MPA_L2:
|
|
case AFMT_MPA_L3:
|
|
if (offset > 0) {
|
|
file_offset = offset;
|
|
track_id3->offset = offset;
|
|
audio_set_elapsed(track_id3);
|
|
}
|
|
break;
|
|
|
|
case AFMT_WAVPACK:
|
|
if (offset > 0) {
|
|
file_offset = offset;
|
|
track_id3->offset = offset;
|
|
track_id3->elapsed = track_id3->length / 2;
|
|
}
|
|
break;
|
|
|
|
case AFMT_OGG_VORBIS:
|
|
case AFMT_SPEEX:
|
|
case AFMT_FLAC:
|
|
case AFMT_PCM_WAV:
|
|
case AFMT_A52:
|
|
case AFMT_AAC:
|
|
case AFMT_MPC:
|
|
case AFMT_APE:
|
|
if (offset > 0)
|
|
track_id3->offset = offset;
|
|
break;
|
|
|
|
case AFMT_NSF:
|
|
case AFMT_SPC:
|
|
case AFMT_SID:
|
|
logf("Loading atomic %d",track_id3->codectype);
|
|
type = TYPE_ATOMIC_AUDIO;
|
|
break;
|
|
}
|
|
|
|
logf("alt:%s", trackname);
|
|
|
|
if (file_offset > AUDIO_REBUFFER_GUESS_SIZE)
|
|
file_offset -= AUDIO_REBUFFER_GUESS_SIZE;
|
|
else if (track_id3->first_frame_offset)
|
|
file_offset = track_id3->first_frame_offset;
|
|
else
|
|
file_offset = 0;
|
|
|
|
tracks[track_widx].audio_hid = bufopen(trackname, file_offset, type);
|
|
|
|
if (tracks[track_widx].audio_hid < 0)
|
|
return false;
|
|
|
|
if (start_play)
|
|
{
|
|
ci.curpos=file_offset;
|
|
buf_request_buffer_handle(tracks[track_widx].audio_hid);
|
|
}
|
|
|
|
track_widx++;
|
|
track_widx &= MAX_TRACK_MASK;
|
|
|
|
return true;
|
|
}
|
|
|
|
/* Send callback events to notify about new tracks. */
|
|
static void audio_generate_postbuffer_events(void)
|
|
{
|
|
int cur_idx;
|
|
|
|
logf("Postbuffer:%d/%d",track_ridx,track_widx);
|
|
|
|
if (audio_have_tracks())
|
|
{
|
|
cur_idx = track_ridx;
|
|
|
|
while (1) {
|
|
if (!tracks[cur_idx].event_sent)
|
|
{
|
|
/* Mark the event 'sent' even if we don't really send one */
|
|
tracks[cur_idx].event_sent = true;
|
|
if (track_buffer_callback && tracks[cur_idx].id3_hid >= 0)
|
|
track_buffer_callback(bufgetid3(tracks[cur_idx].id3_hid));
|
|
}
|
|
if (cur_idx == track_widx)
|
|
break;
|
|
cur_idx++;
|
|
cur_idx &= MAX_TRACK_MASK;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void audio_fill_file_buffer(bool start_play, size_t offset)
|
|
{
|
|
struct queue_event ev;
|
|
bool had_next_track = audio_next_track() != NULL;
|
|
bool continue_buffering;
|
|
|
|
/* Must reset the buffer before use if trashed or voice only - voice
|
|
file size shouldn't have changed so we can go straight from
|
|
BUFFER_STATE_VOICED_ONLY to BUFFER_STATE_INITIALIZED */
|
|
if (buffer_state != BUFFER_STATE_INITIALIZED)
|
|
audio_reset_buffer();
|
|
|
|
logf("Starting buffer fill");
|
|
|
|
if (!start_play)
|
|
audio_clear_track_entries(false);
|
|
|
|
/* Save the current resume position once. */
|
|
playlist_update_resume_info(audio_current_track());
|
|
|
|
do {
|
|
continue_buffering = audio_load_track(offset, start_play);
|
|
start_play = false;
|
|
offset = 0;
|
|
sleep(1);
|
|
if (queue_peek(&audio_queue, &ev)) {
|
|
if (ev.id != Q_AUDIO_FILL_BUFFER)
|
|
{
|
|
/* There's a message in the queue. break the loop to treat it,
|
|
and go back to filling after that. */
|
|
LOGFQUEUE("buffering > audio Q_AUDIO_FILL_BUFFER");
|
|
queue_post(&audio_queue, Q_AUDIO_FILL_BUFFER, 0);
|
|
}
|
|
break;
|
|
}
|
|
} while (continue_buffering);
|
|
|
|
if (!had_next_track && audio_next_track())
|
|
track_changed = true;
|
|
|
|
audio_generate_postbuffer_events();
|
|
|
|
if (!continue_buffering)
|
|
register_buffer_low_callback(low_buffer_callback);
|
|
}
|
|
|
|
static void audio_rebuffer(void)
|
|
{
|
|
logf("Forcing rebuffer");
|
|
|
|
clear_track_info(CUR_TI);
|
|
|
|
/* Reset track pointers */
|
|
track_widx = track_ridx;
|
|
audio_clear_track_entries(true);
|
|
|
|
/* Fill the buffer */
|
|
last_peek_offset = -1;
|
|
ci.curpos = 0;
|
|
|
|
if (!CUR_TI->taginfo_ready)
|
|
memset(&curtrack_id3, 0, sizeof(struct mp3entry));
|
|
|
|
audio_fill_file_buffer(false, 0);
|
|
}
|
|
|
|
/* Called on request from the codec to get a new track. This is the codec part
|
|
of the track transition. */
|
|
static int audio_check_new_track(void)
|
|
{
|
|
int track_count = audio_track_count();
|
|
int old_track_ridx = track_ridx;
|
|
int i, idx;
|
|
bool forward;
|
|
|
|
if (dir_skip)
|
|
{
|
|
dir_skip = false;
|
|
if (playlist_next_dir(ci.new_track))
|
|
{
|
|
ci.new_track = 0;
|
|
audio_rebuffer();
|
|
goto skip_done;
|
|
}
|
|
else
|
|
{
|
|
LOGFQUEUE("audio >|= codec Q_CODEC_REQUEST_FAILED");
|
|
return Q_CODEC_REQUEST_FAILED;
|
|
}
|
|
}
|
|
|
|
if (new_playlist)
|
|
ci.new_track = 0;
|
|
|
|
/* If the playlist isn't that big */
|
|
if (!playlist_check(ci.new_track))
|
|
{
|
|
if (ci.new_track >= 0)
|
|
{
|
|
LOGFQUEUE("audio >|= codec Q_CODEC_REQUEST_FAILED");
|
|
return Q_CODEC_REQUEST_FAILED;
|
|
}
|
|
/* Find the beginning backward if the user over-skips it */
|
|
while (!playlist_check(++ci.new_track))
|
|
if (ci.new_track >= 0)
|
|
{
|
|
LOGFQUEUE("audio >|= codec Q_CODEC_REQUEST_FAILED");
|
|
return Q_CODEC_REQUEST_FAILED;
|
|
}
|
|
}
|
|
/* Update the playlist */
|
|
last_peek_offset -= ci.new_track;
|
|
|
|
if (playlist_next(ci.new_track) < 0)
|
|
{
|
|
LOGFQUEUE("audio >|= codec Q_CODEC_REQUEST_FAILED");
|
|
return Q_CODEC_REQUEST_FAILED;
|
|
}
|
|
|
|
if (new_playlist)
|
|
{
|
|
ci.new_track = 1;
|
|
new_playlist = false;
|
|
}
|
|
|
|
/* Save the old track's metadata to allow the WPS to display it */
|
|
copy_mp3entry(&prevtrack_id3, &curtrack_id3);
|
|
|
|
/* Save a pointer to the old track to allow later clearing */
|
|
prev_ti = CUR_TI;
|
|
|
|
for (i = 0; i < ci.new_track; i++)
|
|
{
|
|
idx = (track_ridx + i) & MAX_TRACK_MASK;
|
|
struct mp3entry *id3 = bufgetid3(tracks[idx].id3_hid);
|
|
ssize_t offset = buf_handle_offset(tracks[idx].audio_hid);
|
|
if (!id3 || offset < 0 || (unsigned)offset > id3->first_frame_offset)
|
|
{
|
|
/* We don't have all the audio data for that track, so clear it,
|
|
but keep the metadata. */
|
|
if (tracks[idx].audio_hid >= 0 && bufclose(tracks[idx].audio_hid))
|
|
{
|
|
tracks[idx].audio_hid = -1;
|
|
tracks[idx].filesize = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Move to the new track */
|
|
track_ridx += ci.new_track;
|
|
track_ridx &= MAX_TRACK_MASK;
|
|
|
|
buf_set_base_handle(CUR_TI->audio_hid);
|
|
|
|
if (automatic_skip)
|
|
{
|
|
playlist_end = false;
|
|
wps_offset = -ci.new_track;
|
|
}
|
|
|
|
track_changed = true;
|
|
|
|
/* If it is not safe to even skip this many track entries */
|
|
if (ci.new_track >= track_count || ci.new_track <= track_count - MAX_TRACK)
|
|
{
|
|
ci.new_track = 0;
|
|
audio_rebuffer();
|
|
goto skip_done;
|
|
}
|
|
|
|
forward = ci.new_track > 0;
|
|
ci.new_track = 0;
|
|
|
|
/* If the target track is clearly not in memory */
|
|
if (CUR_TI->filesize == 0 || !CUR_TI->taginfo_ready)
|
|
{
|
|
audio_rebuffer();
|
|
goto skip_done;
|
|
}
|
|
|
|
/* When skipping backwards, it is possible that we've found a track that's
|
|
* buffered, but which is around the track-wrap and therefor not the track
|
|
* we are looking for */
|
|
if (!forward)
|
|
{
|
|
int cur_idx = track_ridx;
|
|
bool taginfo_ready = true;
|
|
/* We've wrapped the buffer backwards if new > old */
|
|
bool wrap = track_ridx > old_track_ridx;
|
|
|
|
while (1)
|
|
{
|
|
cur_idx++;
|
|
cur_idx &= MAX_TRACK_MASK;
|
|
|
|
/* if we've advanced past the wrap when cur_idx is zeroed */
|
|
if (!cur_idx)
|
|
wrap = false;
|
|
|
|
/* if we aren't still on the wrap and we've caught the old track */
|
|
if (!(wrap || cur_idx < old_track_ridx))
|
|
break;
|
|
|
|
/* If we hit a track in between without valid tag info, bail */
|
|
if (!tracks[cur_idx].taginfo_ready)
|
|
{
|
|
taginfo_ready = false;
|
|
break;
|
|
}
|
|
}
|
|
if (!taginfo_ready)
|
|
{
|
|
audio_rebuffer();
|
|
}
|
|
}
|
|
|
|
skip_done:
|
|
audio_update_trackinfo();
|
|
LOGFQUEUE("audio >|= codec Q_CODEC_REQUEST_COMPLETE");
|
|
return Q_CODEC_REQUEST_COMPLETE;
|
|
}
|
|
|
|
void audio_set_track_buffer_event(void (*handler)(struct mp3entry *id3))
|
|
{
|
|
track_buffer_callback = handler;
|
|
}
|
|
|
|
void audio_set_track_unbuffer_event(void (*handler)(struct mp3entry *id3))
|
|
{
|
|
track_unbuffer_callback = handler;
|
|
}
|
|
|
|
void audio_set_track_changed_event(void (*handler)(struct mp3entry *id3))
|
|
{
|
|
track_changed_callback = handler;
|
|
}
|
|
|
|
unsigned long audio_prev_elapsed(void)
|
|
{
|
|
return prev_track_elapsed;
|
|
}
|
|
|
|
static void audio_stop_codec_flush(void)
|
|
{
|
|
ci.stop_codec = true;
|
|
pcmbuf_pause(true);
|
|
|
|
while (audio_codec_loaded)
|
|
yield();
|
|
|
|
/* If the audio codec is not loaded any more, and the audio is still
|
|
* playing, it is now and _only_ now safe to call this function from the
|
|
* audio thread */
|
|
if (pcm_is_playing())
|
|
pcmbuf_play_stop();
|
|
pcmbuf_pause(paused);
|
|
}
|
|
|
|
static void audio_stop_playback(void)
|
|
{
|
|
/* If we were playing, save resume information */
|
|
if (playing)
|
|
{
|
|
struct mp3entry *id3 = NULL;
|
|
|
|
if (!playlist_end || !ci.stop_codec)
|
|
{
|
|
/* Set this early, the outside code yields and may allow the codec
|
|
to try to wait for a reply on a buffer wait */
|
|
ci.stop_codec = true;
|
|
id3 = audio_current_track();
|
|
}
|
|
|
|
/* Save the current playing spot, or NULL if the playlist has ended */
|
|
playlist_update_resume_info(id3);
|
|
|
|
prev_track_elapsed = curtrack_id3.elapsed;
|
|
|
|
/* Increment index so runtime info is saved in audio_clear_track_entries().
|
|
* Done here, as audio_stop_playback() may be called more than once.
|
|
* Don't update runtime unless playback is stopped because of end of playlist.
|
|
* Updating runtime when manually stopping a tracks, can destroy autoscores
|
|
* and playcounts.
|
|
*/
|
|
if (playlist_end)
|
|
{
|
|
track_ridx++;
|
|
track_ridx &= MAX_TRACK_MASK;
|
|
}
|
|
}
|
|
|
|
paused = false;
|
|
audio_stop_codec_flush();
|
|
playing = false;
|
|
|
|
/* Mark all entries null. */
|
|
audio_clear_track_entries(false);
|
|
|
|
/* Close all tracks */
|
|
audio_release_tracks();
|
|
|
|
memset(&curtrack_id3, 0, sizeof(struct mp3entry));
|
|
}
|
|
|
|
static void audio_play_start(size_t offset)
|
|
{
|
|
int i;
|
|
|
|
#if INPUT_SRC_CAPS != 0
|
|
audio_set_input_source(AUDIO_SRC_PLAYBACK, SRCF_PLAYBACK);
|
|
audio_set_output_source(AUDIO_SRC_PLAYBACK);
|
|
#endif
|
|
|
|
/* Wait for any previously playing audio to flush - TODO: Not necessary? */
|
|
paused = false;
|
|
audio_stop_codec_flush();
|
|
|
|
track_changed = true;
|
|
playlist_end = false;
|
|
|
|
playing = true;
|
|
|
|
ci.new_track = 0;
|
|
ci.seek_time = 0;
|
|
wps_offset = 0;
|
|
|
|
sound_set_volume(global_settings.volume);
|
|
track_widx = track_ridx = 0;
|
|
|
|
/* Clear all track entries. */
|
|
for (i = 0; i < MAX_TRACK; i++) {
|
|
clear_track_info(&tracks[i]);
|
|
}
|
|
|
|
last_peek_offset = -1;
|
|
|
|
/* Officially playing */
|
|
queue_reply(&audio_queue, 1);
|
|
|
|
#ifndef HAVE_FLASH_STORAGE
|
|
set_filebuf_watermark(buffer_margin, 0);
|
|
#endif
|
|
audio_fill_file_buffer(true, offset);
|
|
|
|
LOGFQUEUE("audio > audio Q_AUDIO_TRACK_CHANGED");
|
|
queue_post(&audio_queue, Q_AUDIO_TRACK_CHANGED, 0);
|
|
}
|
|
|
|
|
|
/* Invalidates all but currently playing track. */
|
|
static void audio_invalidate_tracks(void)
|
|
{
|
|
if (audio_have_tracks())
|
|
{
|
|
last_peek_offset = 0;
|
|
playlist_end = false;
|
|
track_widx = track_ridx;
|
|
|
|
/* Mark all other entries null (also buffered wrong metadata). */
|
|
audio_clear_track_entries(true);
|
|
|
|
track_widx = (track_widx + 1) & MAX_TRACK_MASK;
|
|
|
|
audio_fill_file_buffer(false, 0);
|
|
}
|
|
}
|
|
|
|
static void audio_new_playlist(void)
|
|
{
|
|
/* Prepare to start a new fill from the beginning of the playlist */
|
|
last_peek_offset = -1;
|
|
if (audio_have_tracks())
|
|
{
|
|
if (paused)
|
|
skipped_during_pause = true;
|
|
playlist_end = false;
|
|
track_widx = track_ridx;
|
|
audio_clear_track_entries(true);
|
|
|
|
track_widx++;
|
|
track_widx &= MAX_TRACK_MASK;
|
|
|
|
/* Mark the current track as invalid to prevent skipping back to it */
|
|
CUR_TI->taginfo_ready = false;
|
|
}
|
|
|
|
/* Signal the codec to initiate a track change forward */
|
|
new_playlist = true;
|
|
ci.new_track = 1;
|
|
|
|
/* Officially playing */
|
|
queue_reply(&audio_queue, 1);
|
|
|
|
audio_fill_file_buffer(false, 0);
|
|
}
|
|
|
|
static void audio_initiate_track_change(long direction)
|
|
{
|
|
playlist_end = false;
|
|
ci.new_track += direction;
|
|
wps_offset -= direction;
|
|
if (paused)
|
|
skipped_during_pause = true;
|
|
}
|
|
|
|
static void audio_initiate_dir_change(long direction)
|
|
{
|
|
playlist_end = false;
|
|
dir_skip = true;
|
|
ci.new_track = direction;
|
|
if (paused)
|
|
skipped_during_pause = true;
|
|
}
|
|
|
|
/* Called when PCM track change is complete */
|
|
static void audio_finalise_track_change(void)
|
|
{
|
|
logf("audio_finalise_track_change");
|
|
|
|
if (automatic_skip)
|
|
{
|
|
wps_offset = 0;
|
|
automatic_skip = false;
|
|
}
|
|
prevtrack_id3.path[0] = 0;
|
|
|
|
if (prev_ti && prev_ti->audio_hid < 0)
|
|
{
|
|
/* No audio left so we clear all the track info. */
|
|
clear_track_info(prev_ti);
|
|
}
|
|
|
|
if (track_changed_callback)
|
|
track_changed_callback(&curtrack_id3);
|
|
track_changed = true;
|
|
playlist_update_resume_info(audio_current_track());
|
|
}
|
|
|
|
/*
|
|
* Layout audio buffer as follows - iram buffer depends on target:
|
|
* [|SWAP:iram][|TALK]|MALLOC|FILE|GUARD|PCM|[SWAP:dram[|iram]|]
|
|
*/
|
|
static void audio_reset_buffer(void)
|
|
{
|
|
/* see audio_get_recording_buffer if this is modified */
|
|
logf("audio_reset_buffer");
|
|
|
|
/* If the setup of anything allocated before the file buffer is
|
|
changed, do check the adjustments after the buffer_alloc call
|
|
as it will likely be affected and need sliding over */
|
|
|
|
/* Initially set up file buffer as all space available */
|
|
malloc_buf = audiobuf + talk_get_bufsize();
|
|
/* Align the malloc buf to line size. Especially important to cf
|
|
targets that do line reads/writes. */
|
|
malloc_buf = (unsigned char *)(((uintptr_t)malloc_buf + 15) & ~15);
|
|
filebuf = malloc_buf + MALLOC_BUFSIZE; /* filebuf line align implied */
|
|
filebuflen = audiobufend - filebuf;
|
|
|
|
filebuflen &= ~15;
|
|
|
|
/* Subtract whatever the pcm buffer says it used plus the guard buffer */
|
|
filebuflen -= pcmbuf_init(filebuf + filebuflen) + GUARD_BUFSIZE;
|
|
|
|
/* Make sure filebuflen is a longword multiple after adjustment - filebuf
|
|
will already be line aligned */
|
|
filebuflen &= ~3;
|
|
|
|
buffering_reset(filebuf, filebuflen);
|
|
|
|
/* Clear any references to the file buffer */
|
|
buffer_state = BUFFER_STATE_INITIALIZED;
|
|
|
|
#if defined(ROCKBOX_HAS_LOGF) && defined(LOGF_ENABLE)
|
|
/* Make sure everything adds up - yes, some info is a bit redundant but
|
|
aids viewing and the sumation of certain variables should add up to
|
|
the location of others. */
|
|
{
|
|
size_t pcmbufsize;
|
|
unsigned char * pcmbuf = pcmbuf_get_meminfo(&pcmbufsize);
|
|
logf("mabuf: %08X", (unsigned)malloc_buf);
|
|
logf("mabufe: %08X", (unsigned)(malloc_buf + MALLOC_BUFSIZE));
|
|
logf("fbuf: %08X", (unsigned)filebuf);
|
|
logf("fbufe: %08X", (unsigned)(filebuf + filebuflen));
|
|
logf("gbuf: %08X", (unsigned)(filebuf + filebuflen));
|
|
logf("gbufe: %08X", (unsigned)(filebuf + filebuflen + GUARD_BUFSIZE));
|
|
logf("pcmb: %08X", (unsigned)pcmbuf);
|
|
logf("pcmbe: %08X", (unsigned)(pcmbuf + pcmbufsize));
|
|
}
|
|
#endif
|
|
}
|
|
|
|
static void audio_thread(void)
|
|
{
|
|
struct queue_event ev;
|
|
|
|
pcm_postinit();
|
|
|
|
while (1)
|
|
{
|
|
queue_wait_w_tmo(&audio_queue, &ev, HZ/2);
|
|
|
|
switch (ev.id) {
|
|
case Q_AUDIO_FILL_BUFFER:
|
|
LOGFQUEUE("audio < Q_AUDIO_FILL_BUFFER");
|
|
if (!playing || playlist_end || ci.stop_codec)
|
|
break;
|
|
audio_fill_file_buffer(false, 0);
|
|
break;
|
|
|
|
case Q_AUDIO_PLAY:
|
|
LOGFQUEUE("audio < Q_AUDIO_PLAY");
|
|
if (playing && ev.data <= 0)
|
|
audio_new_playlist();
|
|
else
|
|
{
|
|
audio_stop_playback();
|
|
audio_play_start((size_t)ev.data);
|
|
}
|
|
break;
|
|
|
|
case Q_AUDIO_STOP:
|
|
LOGFQUEUE("audio < Q_AUDIO_STOP");
|
|
if (playing)
|
|
audio_stop_playback();
|
|
if (ev.data != 0)
|
|
queue_clear(&audio_queue);
|
|
break;
|
|
|
|
case Q_AUDIO_PAUSE:
|
|
LOGFQUEUE("audio < Q_AUDIO_PAUSE");
|
|
if (!(bool) ev.data && skipped_during_pause && !pcmbuf_is_crossfade_active())
|
|
pcmbuf_play_stop(); /* Flush old track on resume after skip */
|
|
skipped_during_pause = false;
|
|
if (!playing)
|
|
break;
|
|
pcmbuf_pause((bool)ev.data);
|
|
paused = (bool)ev.data;
|
|
break;
|
|
|
|
case Q_AUDIO_SKIP:
|
|
LOGFQUEUE("audio < Q_AUDIO_SKIP");
|
|
audio_initiate_track_change((long)ev.data);
|
|
break;
|
|
|
|
case Q_AUDIO_PRE_FF_REWIND:
|
|
LOGFQUEUE("audio < Q_AUDIO_PRE_FF_REWIND");
|
|
if (!playing)
|
|
break;
|
|
pcmbuf_pause(true);
|
|
break;
|
|
|
|
case Q_AUDIO_FF_REWIND:
|
|
LOGFQUEUE("audio < Q_AUDIO_FF_REWIND");
|
|
if (!playing)
|
|
break;
|
|
ci.seek_time = (long)ev.data+1;
|
|
break;
|
|
|
|
case Q_AUDIO_CHECK_NEW_TRACK:
|
|
LOGFQUEUE("audio < Q_AUDIO_CHECK_NEW_TRACK");
|
|
queue_reply(&audio_queue, audio_check_new_track());
|
|
break;
|
|
|
|
case Q_AUDIO_DIR_SKIP:
|
|
LOGFQUEUE("audio < Q_AUDIO_DIR_SKIP");
|
|
playlist_end = false;
|
|
audio_initiate_dir_change(ev.data);
|
|
break;
|
|
|
|
case Q_AUDIO_FLUSH:
|
|
LOGFQUEUE("audio < Q_AUDIO_FLUSH");
|
|
audio_invalidate_tracks();
|
|
break;
|
|
|
|
case Q_AUDIO_TRACK_CHANGED:
|
|
/* PCM track change done */
|
|
LOGFQUEUE("audio < Q_AUDIO_TRACK_CHANGED");
|
|
audio_finalise_track_change();
|
|
break;
|
|
|
|
#ifndef SIMULATOR
|
|
case SYS_USB_CONNECTED:
|
|
LOGFQUEUE("audio < SYS_USB_CONNECTED");
|
|
if (playing)
|
|
audio_stop_playback();
|
|
#ifdef PLAYBACK_VOICE
|
|
voice_stop();
|
|
#endif
|
|
usb_acknowledge(SYS_USB_CONNECTED_ACK);
|
|
usb_wait_for_disconnect(&audio_queue);
|
|
|
|
/* Mark all entries null. */
|
|
audio_clear_track_entries(false);
|
|
|
|
/* release tracks to make sure all handles are closed */
|
|
audio_release_tracks();
|
|
break;
|
|
#endif
|
|
|
|
case SYS_TIMEOUT:
|
|
LOGFQUEUE_SYS_TIMEOUT("audio < SYS_TIMEOUT");
|
|
break;
|
|
|
|
default:
|
|
LOGFQUEUE("audio < default");
|
|
break;
|
|
} /* end switch */
|
|
} /* end while */
|
|
}
|
|
|
|
#ifdef ROCKBOX_HAS_LOGF
|
|
static void audio_test_track_changed_event(struct mp3entry *id3)
|
|
{
|
|
(void)id3;
|
|
|
|
logf("tce:%s", id3->path);
|
|
}
|
|
#endif
|
|
|
|
/* Initialize the audio system - called from init() in main.c.
|
|
* Last function because of all the references to internal symbols
|
|
*/
|
|
void audio_init(void)
|
|
{
|
|
struct thread_entry *audio_thread_p;
|
|
|
|
/* Can never do this twice */
|
|
if (audio_is_initialized)
|
|
{
|
|
logf("audio: already initialized");
|
|
return;
|
|
}
|
|
|
|
logf("audio: initializing");
|
|
|
|
/* Initialize queues before giving control elsewhere in case it likes
|
|
to send messages. Thread creation will be delayed however so nothing
|
|
starts running until ready if something yields such as talk_init. */
|
|
queue_init(&audio_queue, true);
|
|
queue_enable_queue_send(&audio_queue, &audio_queue_sender_list);
|
|
queue_init(&codec_queue, false);
|
|
queue_enable_queue_send(&codec_queue, &codec_queue_sender_list);
|
|
|
|
pcm_init();
|
|
|
|
#ifdef ROCKBOX_HAS_LOGF
|
|
audio_set_track_changed_event(audio_test_track_changed_event);
|
|
#endif
|
|
|
|
/* Initialize codec api. */
|
|
ci.read_filebuf = codec_filebuf_callback;
|
|
ci.pcmbuf_insert = codec_pcmbuf_insert_callback;
|
|
ci.get_codec_memory = codec_get_memory_callback;
|
|
ci.request_buffer = codec_request_buffer_callback;
|
|
ci.advance_buffer = codec_advance_buffer_callback;
|
|
ci.advance_buffer_loc = codec_advance_buffer_loc_callback;
|
|
ci.request_next_track = codec_request_next_track_callback;
|
|
ci.mp3_get_filepos = codec_mp3_get_filepos_callback;
|
|
ci.seek_buffer = codec_seek_buffer_callback;
|
|
ci.seek_complete = codec_seek_complete_callback;
|
|
ci.set_elapsed = codec_set_elapsed_callback;
|
|
ci.set_offset = codec_set_offset_callback;
|
|
ci.configure = codec_configure_callback;
|
|
ci.discard_codec = codec_discard_codec_callback;
|
|
ci.dsp = (struct dsp_config *)dsp_configure(NULL, DSP_MYDSP,
|
|
CODEC_IDX_AUDIO);
|
|
|
|
/* initialize the buffer */
|
|
filebuf = audiobuf;
|
|
|
|
/* audio_reset_buffer must to know the size of voice buffer so init
|
|
talk first */
|
|
talk_init();
|
|
|
|
codec_thread_p = create_thread(
|
|
codec_thread, codec_stack, sizeof(codec_stack),
|
|
CREATE_THREAD_FROZEN,
|
|
codec_thread_name IF_PRIO(, PRIORITY_PLAYBACK)
|
|
IF_COP(, CPU));
|
|
|
|
audio_thread_p = create_thread(audio_thread, audio_stack,
|
|
sizeof(audio_stack), CREATE_THREAD_FROZEN,
|
|
audio_thread_name IF_PRIO(, PRIORITY_BACKGROUND)
|
|
IF_COP(, CPU));
|
|
|
|
#ifdef PLAYBACK_VOICE
|
|
voice_thread_init();
|
|
#endif
|
|
|
|
/* Set crossfade setting for next buffer init which should be about... */
|
|
pcmbuf_crossfade_enable(global_settings.crossfade);
|
|
|
|
/* initialize the buffering system */
|
|
|
|
buffering_init();
|
|
/* ...now! Set up the buffers */
|
|
audio_reset_buffer();
|
|
|
|
int i;
|
|
for(i = 0; i < MAX_TRACK; i++)
|
|
{
|
|
tracks[i].audio_hid = -1;
|
|
tracks[i].id3_hid = -1;
|
|
tracks[i].codec_hid = -1;
|
|
#ifdef HAVE_ALBUMART
|
|
tracks[i].aa_hid = -1;
|
|
#endif
|
|
}
|
|
|
|
/* Probably safe to say */
|
|
audio_is_initialized = true;
|
|
|
|
sound_settings_apply();
|
|
#ifdef HAVE_WM8758
|
|
eq_hw_enable(global_settings.eq_hw_enabled);
|
|
#endif
|
|
#ifndef HAVE_FLASH_STORAGE
|
|
audio_set_buffer_margin(global_settings.buffer_margin);
|
|
#endif
|
|
|
|
/* it's safe to let the threads run now */
|
|
#ifdef PLAYBACK_VOICE
|
|
voice_thread_resume();
|
|
#endif
|
|
thread_thaw(codec_thread_p);
|
|
thread_thaw(audio_thread_p);
|
|
|
|
} /* audio_init */
|