/* * Copyright (C) 2010-2011 Julien BLACHE * Copyright (C) 2016 Espen Jürgensen * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #ifdef HAVE_CONFIG_H # include #endif #include #include #include #include #include #include #include #include #include #include #ifdef HAVE_PTHREAD_NP_H # include #endif #if defined(__linux__) # include #elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) # include #endif #include #include #include #include "db.h" #include "logger.h" #include "conffile.h" #include "misc.h" #include "player.h" #include "worker.h" #include "listener.h" #include "commands.h" /* Audio outputs */ #include "outputs.h" /* Audio inputs */ #include "transcode.h" #include "pipe.h" #ifdef HAVE_SPOTIFY_H # include "spotify.h" #endif /* Metadata input/output */ #include "http.h" #ifdef LASTFM # include "lastfm.h" #endif #ifndef MIN # define MIN(a, b) ((a < b) ? a : b) #endif #ifndef MAX #define MAX(a, b) ((a > b) ? a : b) #endif // Default volume (must be from 0 - 100) #define PLAYER_DEFAULT_VOLUME 50 // Used to keep the player from getting ahead of a rate limited source (see below) #define PLAYER_TICKS_MAX_OVERRUN 2 struct player_source { /* Id of the file/item in the files database */ uint32_t id; /* Item-Id of the file/item in the queue */ uint32_t item_id; /* Length of the file/item in milliseconds */ uint32_t len_ms; enum data_kind data_kind; enum media_kind media_kind; /* Start time of the media item as rtp-time The stream-start is the rtp-time the media item did or would have started playing (after seek or pause), therefor the elapsed time of the media item is always: elapsed time = current rtptime - stream-start */ uint64_t stream_start; /* Output start time of the media item as rtp-time The output start time is the rtp-time of the first audio packet send to the audio outputs. It differs from stream-start especially after a seek, where the first audio packet has the next rtp-time as output start and stream start becomes the rtp-time the media item would have been started playing if the seek did not happen. */ uint64_t output_start; /* End time of media item as rtp-time The end time is set if the reading (source_read) of the media item reached end of file, until then it is 0. */ uint64_t end; struct transcode_ctx *xcode; int setup_done; struct player_source *play_next; }; struct volume_param { int volume; uint64_t spk_id; }; struct spk_enum { spk_enum_cb cb; void *arg; }; struct playback_start_param { uint32_t id; int pos; uint32_t *id_ptr; }; struct playerqueue_get_param { int pos; int count; struct queue *queue; }; struct playerqueue_add_param { struct queue_item *items; int pos; uint32_t *item_id_ptr; }; struct playerqueue_move_param { uint32_t item_id; int from_pos; int to_pos; int count; }; struct playerqueue_remove_param { int from_pos; int count; }; struct icy_artwork { uint32_t id; char *artwork_url; }; struct player_metadata { int id; uint64_t rtptime; uint64_t offset; int startup; struct output_metadata *omd; }; struct speaker_set_param { uint64_t *device_ids; int intval; }; union player_arg { struct volume_param vol_param; void *noarg; struct spk_enum *spk_enum; struct output_device *device; struct player_status *status; struct player_source *ps; struct player_metadata *pmd; uint32_t *id_ptr; struct speaker_set_param speaker_set_param; enum repeat_mode mode; uint32_t id; int intval; struct icy_artwork icy; struct playback_start_param playback_start_param; struct playerqueue_get_param queue_get_param; struct playerqueue_add_param queue_add_param; struct playerqueue_move_param queue_move_param; struct playerqueue_remove_param queue_remove_param; }; struct event_base *evbase_player; static int player_exit; static pthread_t tid_player; static struct commands_base *cmdbase; /* Config values */ static int speaker_autoselect; static int clear_queue_on_stop_disabled; /* Player status */ static enum play_status player_state; static enum repeat_mode repeat; static char shuffle; /* Playback timer */ #if defined(__linux__) static int pb_timer_fd; #else timer_t pb_timer; #endif static struct event *pb_timer_ev; static struct timespec pb_timer_last; static struct timespec packet_timer_last; // How often the playback timer triggers player_playback_cb static struct timespec tick_interval; // Timer resolution static struct timespec timer_res; // Time between two packets static struct timespec packet_time = { 0, AIRTUNES_V2_STREAM_PERIOD }; // Will be positive if we need to skip some source reads (see below) static int ticks_skip; /* Sync values */ static struct timespec pb_pos_stamp; static uint64_t pb_pos; /* Stream position (packets) */ static uint64_t last_rtptime; /* Output devices */ static struct output_device *dev_list; /* Output status */ static int output_sessions; /* Last commanded volume */ static int master_volume; /* Audio source */ static struct player_source *cur_playing; static struct player_source *cur_streaming; static uint32_t cur_plid; static uint32_t cur_plversion; static struct evbuffer *audio_buf; static uint8_t rawbuf[STOB(AIRTUNES_V2_PACKET_SAMPLES)]; /* Play queue */ static struct queue *queue; /* Play history */ static struct player_history *history; static void status_update(enum play_status status) { player_state = status; listener_notify(LISTENER_PLAYER); } /* Volume helpers */ static int rel_to_vol(int relvol) { float vol; if (relvol == 100) return master_volume; vol = ((float)relvol * (float)master_volume) / 100.0; return (int)vol; } static int vol_to_rel(int volume) { float rel; if (volume == master_volume) return 100; rel = ((float)volume / (float)master_volume) * 100.0; return (int)rel; } /* Master volume helpers */ static void volume_master_update(int newvol) { struct output_device *device; master_volume = newvol; for (device = dev_list; device; device = device->next) { if (device->selected) device->relvol = vol_to_rel(device->volume); } } static void volume_master_find(void) { struct output_device *device; int newmaster; newmaster = -1; for (device = dev_list; device; device = device->next) { if (device->selected && (device->volume > newmaster)) newmaster = device->volume; } volume_master_update(newmaster); } /* Device select/deselect hooks */ static void speaker_select_output(struct output_device *device) { device->selected = 1; if (device->volume > master_volume) { if (player_state == PLAY_STOPPED || master_volume == -1) volume_master_update(device->volume); else device->volume = master_volume; } device->relvol = vol_to_rel(device->volume); } static void speaker_deselect_output(struct output_device *device) { device->selected = 0; if (device->volume == master_volume) volume_master_find(); } int player_get_current_pos(uint64_t *pos, struct timespec *ts, int commit) { uint64_t delta; int ret; ret = clock_gettime_with_res(CLOCK_MONOTONIC, ts, &timer_res); if (ret < 0) { DPRINTF(E_LOG, L_PLAYER, "Couldn't get clock: %s\n", strerror(errno)); return -1; } delta = (ts->tv_sec - pb_pos_stamp.tv_sec) * 1000000 + (ts->tv_nsec - pb_pos_stamp.tv_nsec) / 1000; #ifdef DEBUG_SYNC DPRINTF(E_DBG, L_PLAYER, "Delta is %" PRIu64 " usec\n", delta); #endif delta = (delta * 44100) / 1000000; #ifdef DEBUG_SYNC DPRINTF(E_DBG, L_PLAYER, "Delta is %" PRIu64 " samples\n", delta); #endif *pos = pb_pos + delta; if (commit) { pb_pos = *pos; pb_pos_stamp.tv_sec = ts->tv_sec; pb_pos_stamp.tv_nsec = ts->tv_nsec; #ifdef DEBUG_SYNC DPRINTF(E_DBG, L_PLAYER, "Pos: %" PRIu64 " (clock)\n", *pos); #endif } return 0; } static int pb_timer_start(void) { struct itimerspec tick; int ret; tick.it_interval = tick_interval; tick.it_value = tick_interval; #if defined(__linux__) ret = timerfd_settime(pb_timer_fd, 0, &tick, NULL); #else ret = timer_settime(pb_timer, 0, &tick, NULL); #endif if (ret < 0) { DPRINTF(E_LOG, L_PLAYER, "Could not arm playback timer: %s\n", strerror(errno)); return -1; } return 0; } static int pb_timer_stop(void) { struct itimerspec tick; int ret; memset(&tick, 0, sizeof(struct itimerspec)); #if defined(__linux__) ret = timerfd_settime(pb_timer_fd, 0, &tick, NULL); #else ret = timer_settime(pb_timer, 0, &tick, NULL); #endif if (ret < 0) { DPRINTF(E_LOG, L_PLAYER, "Could not disarm playback timer: %s\n", strerror(errno)); return -1; } return 0; } /* Forward */ static void playback_abort(void); static enum command_state playerqueue_clear(void *arg, int *retval); static void player_metadata_send(struct player_metadata *pmd); /* Callback from the worker thread (async operation as it may block) */ static void playcount_inc_cb(void *arg) { int *id = arg; db_file_inc_playcount(*id); } #ifdef LASTFM /* Callback from the worker thread (async operation as it may block) */ static void scrobble_cb(void *arg) { int *id = arg; lastfm_scrobble(*id); } #endif /* Callback from the worker thread * This prepares metadata in the worker thread, since especially the artwork * retrieval may take some time. outputs_metadata_prepare() must be thread safe. * The sending must be done in the player thread. */ static void metadata_prepare_cb(void *arg) { struct player_metadata *pmd = arg; pmd->omd = outputs_metadata_prepare(pmd->id); if (pmd->omd) player_metadata_send(pmd); outputs_metadata_free(pmd->omd); } /* Callback from the worker thread (async operation as it may block) */ static void update_icy_cb(void *arg) { struct http_icy_metadata *metadata = arg; db_file_update_icy(metadata->id, metadata->artist, metadata->title); http_icy_metadata_free(metadata, 1); } /* Metadata */ static void metadata_prune(uint64_t pos) { outputs_metadata_prune(pos); } static void metadata_purge(void) { outputs_metadata_purge(); } static void metadata_trigger(int startup) { struct player_metadata pmd; memset(&pmd, 0, sizeof(struct player_metadata)); pmd.id = cur_streaming->id; pmd.startup = startup; if (cur_streaming->stream_start && cur_streaming->output_start) { pmd.offset = cur_streaming->output_start - cur_streaming->stream_start; pmd.rtptime = cur_streaming->stream_start; } else { DPRINTF(E_LOG, L_PLAYER, "PTOH! Unhandled song boundary case in metadata_trigger()\n"); } /* Defer the actual work of preparing the metadata to the worker thread */ worker_execute(metadata_prepare_cb, &pmd, sizeof(struct player_metadata), 0); } /* Checks if there is new HTTP ICY metadata, and if so sends updates to clients */ void metadata_check_icy(void) { struct http_icy_metadata *metadata; int changed; metadata = transcode_metadata(cur_streaming->xcode, &changed); if (!metadata) return; if (!changed || !metadata->title) goto no_update; if (metadata->title[0] == '\0') goto no_update; metadata->id = cur_streaming->id; /* Defer the database update to the worker thread */ worker_execute(update_icy_cb, metadata, sizeof(struct http_icy_metadata), 0); /* Triggers preparing and sending output metadata */ metadata_trigger(0); /* Only free the struct, the content must be preserved for update_icy_cb */ free(metadata); status_update(player_state); return; no_update: http_icy_metadata_free(metadata, 0); } struct player_history * player_history_get(void) { return history; } /* * Add the song with the given id to the list of previously played songs */ static void history_add(uint32_t id, uint32_t item_id) { unsigned int cur_index; unsigned int next_index; /* Check if the current song is already the last in the history to avoid duplicates */ cur_index = (history->start_index + history->count - 1) % MAX_HISTORY_COUNT; if (id == history->id[cur_index]) { DPRINTF(E_DBG, L_PLAYER, "Current playing/streaming song already in history\n"); return; } /* Calculate the next index and update the start-index and count for the id-buffer */ next_index = (history->start_index + history->count) % MAX_HISTORY_COUNT; if (next_index == history->start_index && history->count > 0) history->start_index = (history->start_index + 1) % MAX_HISTORY_COUNT; history->id[next_index] = id; history->item_id[next_index] = item_id; if (history->count < MAX_HISTORY_COUNT) history->count++; } /* Audio sources */ /* * Initializes the given player source for playback */ static int stream_setup(struct player_source *ps, struct media_file_info *mfi) { char *url; int ret; if (!ps || !mfi) { DPRINTF(E_LOG, L_PLAYER, "No player source and/or media info given to stream_setup\n"); return -1; } if (ps->setup_done) { DPRINTF(E_LOG, L_PLAYER, "Given player source already setup (id = %d)\n", ps->id); return -1; } // Setup depending on data kind switch (ps->data_kind) { case DATA_KIND_FILE: ps->xcode = transcode_setup(mfi->data_kind, mfi->path, mfi->song_length, XCODE_PCM16_NOHEADER, NULL); ret = ps->xcode ? 0 : -1; break; case DATA_KIND_HTTP: ret = http_stream_setup(&url, mfi->path); if (ret < 0) break; free(mfi->path); mfi->path = url; ps->xcode = transcode_setup(mfi->data_kind, mfi->path, mfi->song_length, XCODE_PCM16_NOHEADER, NULL); ret = ps->xcode ? 0 : -1; break; case DATA_KIND_SPOTIFY: #ifdef HAVE_SPOTIFY_H ret = spotify_playback_setup(mfi->path); #else DPRINTF(E_LOG, L_PLAYER, "Player source has data kind 'spotify' (%d), but forked-daapd is compiled without spotify support - cannot setup source '%s' (%s)\n", ps->data_kind, mfi->title, mfi->path); ret = -1; #endif break; case DATA_KIND_PIPE: ret = pipe_setup(mfi->path); break; default: DPRINTF(E_LOG, L_PLAYER, "Unknown data kind (%d) for player source - cannot setup source '%s' (%s)\n", ps->data_kind, mfi->title, mfi->path); ret = -1; } if (ret == 0) ps->setup_done = 1; else DPRINTF(E_LOG, L_PLAYER, "Failed to setup player source (id = %d)\n", ps->id); return ret; } /* * Starts or resumes plaback for the given player source */ static int stream_play(struct player_source *ps) { int ret; if (!ps) { DPRINTF(E_LOG, L_PLAYER, "Stream play called with no active streaming player source\n"); return -1; } if (!ps->setup_done) { DPRINTF(E_LOG, L_PLAYER, "Given player source not setup, play not possible\n"); return -1; } // Start/resume playback depending on data kind switch (ps->data_kind) { case DATA_KIND_HTTP: case DATA_KIND_FILE: ret = 0; break; #ifdef HAVE_SPOTIFY_H case DATA_KIND_SPOTIFY: ret = spotify_playback_play(); break; #endif case DATA_KIND_PIPE: ret = 0; break; default: ret = -1; } return ret; } /* * Read up to "len" data from the given player source and returns * the actual amount of data read. */ static int stream_read(struct player_source *ps, int len) { int icy_timer; int ret; if (!ps) { DPRINTF(E_LOG, L_PLAYER, "Stream read called with no active streaming player source\n"); return -1; } if (!ps->setup_done) { DPRINTF(E_LOG, L_PLAYER, "Given player source not setup for reading data\n"); return -1; } // Read up to len data depending on data kind switch (ps->data_kind) { case DATA_KIND_HTTP: ret = transcode(audio_buf, len, ps->xcode, &icy_timer); if (icy_timer) metadata_check_icy(); break; case DATA_KIND_FILE: ret = transcode(audio_buf, len, ps->xcode, &icy_timer); break; #ifdef HAVE_SPOTIFY_H case DATA_KIND_SPOTIFY: ret = spotify_audio_get(audio_buf, len); break; #endif case DATA_KIND_PIPE: ret = pipe_audio_get(audio_buf, len); break; default: ret = -1; } return ret; } /* * Pauses playback of the given player source */ static int stream_pause(struct player_source *ps) { int ret; if (!ps) { DPRINTF(E_LOG, L_PLAYER, "Stream pause called with no active streaming player source\n"); return -1; } if (!ps->setup_done) { DPRINTF(E_LOG, L_PLAYER, "Given player source not setup, pause not possible\n"); return -1; } // Pause playback depending on data kind switch (ps->data_kind) { case DATA_KIND_HTTP: ret = 0; break; case DATA_KIND_FILE: ret = 0; break; #ifdef HAVE_SPOTIFY_H case DATA_KIND_SPOTIFY: ret = spotify_playback_pause(); break; #endif case DATA_KIND_PIPE: ret = 0; break; default: ret = -1; } return ret; } /* * Seeks to the given position in milliseconds of the given player source */ static int stream_seek(struct player_source *ps, int seek_ms) { int ret; if (!ps) { DPRINTF(E_LOG, L_PLAYER, "Stream seek called with no active streaming player source\n"); return -1; } if (!ps->setup_done) { DPRINTF(E_LOG, L_PLAYER, "Given player source not setup, seek not possible\n"); return -1; } // Seek depending on data kind switch (ps->data_kind) { case DATA_KIND_HTTP: ret = 0; break; case DATA_KIND_FILE: ret = transcode_seek(ps->xcode, seek_ms); break; #ifdef HAVE_SPOTIFY_H case DATA_KIND_SPOTIFY: ret = spotify_playback_seek(seek_ms); break; #endif case DATA_KIND_PIPE: ret = 0; break; default: ret = -1; } return ret; } /* * Stops playback and cleanup for the given player source */ static int stream_stop(struct player_source *ps) { if (!ps) { DPRINTF(E_LOG, L_PLAYER, "Stream cleanup called with no active streaming player source\n"); return -1; } if (!ps->setup_done) { DPRINTF(E_LOG, L_PLAYER, "Given player source not setup, cleanup not possible\n"); return -1; } switch (ps->data_kind) { case DATA_KIND_FILE: case DATA_KIND_HTTP: if (ps->xcode) { transcode_cleanup(ps->xcode); ps->xcode = NULL; } break; case DATA_KIND_SPOTIFY: #ifdef HAVE_SPOTIFY_H spotify_playback_stop(); #endif break; case DATA_KIND_PIPE: pipe_cleanup(); break; } ps->setup_done = 0; return 0; } static struct player_source * source_now_playing() { if (cur_playing) return cur_playing; return cur_streaming; } /* * Creates a new player source for the given queue item */ static struct player_source * source_new(struct queue_item *item) { struct player_source *ps; ps = calloc(1, sizeof(struct player_source)); if (!ps) { DPRINTF(E_LOG, L_PLAYER, "Out of memory (ps)\n"); return NULL; } ps->id = queueitem_id(item); ps->item_id = queueitem_item_id(item); ps->data_kind = queueitem_data_kind(item); ps->media_kind = queueitem_media_kind(item); ps->len_ms = queueitem_len(item); ps->play_next = NULL; return ps; } /* * Stops playback for the current streaming source and frees all * player sources (starting from the playing source). Sets current streaming * and playing sources to NULL. */ static void source_stop() { struct player_source *ps_playing; struct player_source *ps_temp; if (cur_streaming) stream_stop(cur_streaming); ps_playing = source_now_playing(); while (ps_playing) { ps_temp = ps_playing; ps_playing = ps_playing->play_next; ps_temp->play_next = NULL; free(ps_temp); } cur_playing = NULL; cur_streaming = NULL; } /* * Pauses playback * * Resets the streaming source to the playing source and adjusts stream-start * and output-start values to the playing time. Sets the current streaming * source to NULL. */ static int source_pause(uint64_t pos) { struct player_source *ps_playing; struct player_source *ps_playnext; struct player_source *ps_temp; uint64_t seek_frames; int seek_ms; int ret; ps_playing = source_now_playing(); if (!ps_playing) return -1; if (cur_streaming) { if (ps_playing != cur_streaming) { DPRINTF(E_DBG, L_PLAYER, "Pause called on playing source (id=%d) and streaming source already " "switched to the next item (id=%d)\n", ps_playing->id, cur_streaming->id); ret = stream_stop(cur_streaming); if (ret < 0) return -1; } else { ret = stream_pause(cur_streaming); if (ret < 0) return -1; } } ps_playnext = ps_playing->play_next; while (ps_playnext) { ps_temp = ps_playnext; ps_playnext = ps_playnext->play_next; ps_temp->play_next = NULL; free(ps_temp); } ps_playing->play_next = NULL; cur_playing = NULL; cur_streaming = ps_playing; if (!cur_streaming->setup_done) { DPRINTF(E_INFO, L_PLAYER, "Opening '%s'\n", cur_streaming->path); ret = stream_setup(cur_streaming, mfi); if (ret < 0) { DPRINTF(E_LOG, L_PLAYER, "Failed to open '%s'\n", cur_streaming->path); return -1; } } /* Seek back to the pause position */ seek_frames = (pos - cur_streaming->stream_start); seek_ms = (int)((seek_frames * 1000) / 44100); ret = stream_seek(cur_streaming, seek_ms); /* Adjust start_pos to take into account the pause and seek back */ cur_streaming->stream_start = last_rtptime + AIRTUNES_V2_PACKET_SAMPLES - ((uint64_t)ret * 44100) / 1000; cur_streaming->output_start = last_rtptime + AIRTUNES_V2_PACKET_SAMPLES; cur_streaming->end = 0; return 0; } /* * Seeks the current streaming source to the given postion in milliseconds * and adjusts stream-start and output-start values. * * @param seek_ms Position in milliseconds to seek * @return The new position in milliseconds or -1 on error */ static int source_seek(int seek_ms) { int ret; ret = stream_seek(cur_streaming, seek_ms); if (ret < 0) return -1; /* Adjust start_pos to take into account the pause and seek back */ cur_streaming->stream_start = last_rtptime + AIRTUNES_V2_PACKET_SAMPLES - ((uint64_t)ret * 44100) / 1000; cur_streaming->output_start = last_rtptime + AIRTUNES_V2_PACKET_SAMPLES; return ret; } /* * Starts or resumes playback */ static int source_play() { int ret; ret = stream_play(cur_streaming); ticks_skip = 0; memset(rawbuf, 0, sizeof(rawbuf)); return ret; } /* * Initializes playback of the given queue item (but does not start playback) * * A new source is created for the given queue item and is set as the current * streaming source. If a streaming source already existed (and reached eof) * the new source is appended as the play-next item to it. * * Stream-start and output-start values are set to the given start position. */ static int source_open(struct queue_item *qii, uint64_t start_pos, int seek) { struct player_source *ps; struct media_file_info *mfi; uint32_t id; int ret; if (cur_streaming && cur_streaming->end == 0) { DPRINTF(E_LOG, L_PLAYER, "Current streaming source not at eof %d\n", cur_streaming->id); return -1; } id = queueitem_id(qii); mfi = db_file_fetch_byid(id); if (!mfi) { DPRINTF(E_LOG, L_PLAYER, "Couldn't fetch file id %d\n", id); return -1; } if (mfi->disabled) { DPRINTF(E_DBG, L_PLAYER, "File id %d is disabled, skipping\n", id); free_mfi(mfi, 0); return -1; } DPRINTF(E_INFO, L_PLAYER, "Opening '%s' (%s)\n", mfi->title, mfi->path); ps = source_new(qii); if (!ps) return -1; ret = stream_setup(ps, mfi); if (ret < 0) { DPRINTF(E_LOG, L_PLAYER, "Failed to open '%s' (%s)\n", mfi->title, mfi->path); free(ps); free_mfi(mfi, 0); return -1; } /* If a streaming source exists, append the new source as play-next and set it as the new streaming source */ if (cur_streaming) { cur_streaming->play_next = ps; } cur_streaming = ps; cur_streaming->stream_start = start_pos; cur_streaming->output_start = cur_streaming->stream_start; cur_streaming->end = 0; /* Seek to the saved seek position */ if (seek && mfi->seek) source_seek(mfi->seek); free_mfi(mfi, 0); return ret; } /* * Closes the current streaming source and sets its end-time to the given * position */ static int source_close(uint64_t end_pos) { stream_stop(cur_streaming); cur_streaming->end = end_pos; return 0; } /* * Updates the now playing item (cur_playing) and notifies remotes and raop devices * about changes. Also takes care of stopping playback after the last item. * * @return Returns the current playback position as rtp-time */ static uint64_t source_check(void) { struct timespec ts; struct player_source *ps; uint64_t pos; int i; int id; int ret; ret = player_get_current_pos(&pos, &ts, 0); if (ret < 0) { DPRINTF(E_LOG, L_PLAYER, "Couldn't get current playback position\n"); return 0; } if (player_state == PLAY_STOPPED) { DPRINTF(E_LOG, L_PLAYER, "Bug! source_check called but playback has already stopped\n"); return pos; } /* If cur_playing is NULL, we are still in the first two seconds after starting the stream */ if (!cur_playing) { if (pos >= cur_streaming->output_start) { cur_playing = cur_streaming; status_update(PLAY_PLAYING); /* Start of streaming, no metadata to prune yet */ } return pos; } /* Check if we are still in the middle of the current playing song */ if ((cur_playing->end == 0) || (pos < cur_playing->end)) return pos; /* We have reached the end of the current playing song, update cur_playing to the next song in the queue and initialize stream_start and output_start values. */ i = 0; while (cur_playing && (cur_playing->end != 0) && (pos > cur_playing->end)) { i++; id = (int)cur_playing->id; worker_execute(playcount_inc_cb, &id, sizeof(int), 5); #ifdef LASTFM worker_execute(scrobble_cb, &id, sizeof(int), 8); #endif history_add(cur_playing->id, cur_playing->item_id); /* Stop playback */ if (!cur_playing->play_next) { playback_abort(); return pos; } ps = cur_playing; cur_playing = cur_playing->play_next; free(ps); } if (i > 0) { DPRINTF(E_DBG, L_PLAYER, "Playback switched to next song\n"); status_update(PLAY_PLAYING); metadata_prune(pos); } return pos; } static int source_read(uint8_t *buf, int len, uint64_t rtptime) { int ret; int nbytes; char *silence_buf; struct queue_item *item; if (!cur_streaming) return 0; nbytes = 0; while (nbytes < len) { if (evbuffer_get_length(audio_buf) == 0) { if (cur_streaming) { ret = stream_read(cur_streaming, len - nbytes); } else if (cur_playing) { // Reached end of playlist (cur_playing is NULL) send silence and source_check will abort playback if the last item was played DPRINTF(E_SPAM, L_PLAYER, "End of playlist reached, stream silence until playback of last item ends\n"); silence_buf = (char *)calloc((len - nbytes), sizeof(char)); evbuffer_add(audio_buf, silence_buf, (len - nbytes)); free(silence_buf); ret = len - nbytes; } else { // If cur_streaming and cur_playing are NULL, source_read for all queue items failed. Playback will be aborted in the calling function return -1; } if (ret <= 0) { /* EOF or error */ source_close(rtptime + BTOS(nbytes) - 1); DPRINTF(E_DBG, L_PLAYER, "New file\n"); item = queue_next(queue, cur_streaming->item_id, shuffle, repeat, 1); if (ret < 0) { DPRINTF(E_LOG, L_PLAYER, "Error reading source %d\n", cur_streaming->id); queue_remove_byitemid(queue, cur_streaming->item_id); } if (item) { ret = source_open(item, cur_streaming->end + 1, 0); if (ret < 0) return -1; ret = source_play(); if (ret < 0) return -1; metadata_trigger(0); } else { cur_streaming = NULL; } continue; } } nbytes += evbuffer_remove(audio_buf, buf + nbytes, len - nbytes); } return nbytes; } static void playback_write(int read_skip) { int ret; source_check(); /* Make sure playback is still running after source_check() */ if (player_state == PLAY_STOPPED) return; last_rtptime += AIRTUNES_V2_PACKET_SAMPLES; if (!read_skip) { ret = source_read(rawbuf, sizeof(rawbuf), last_rtptime); if (ret < 0) { DPRINTF(E_DBG, L_PLAYER, "Error reading from source, aborting playback\n"); playback_abort(); return; } } else DPRINTF(E_SPAM, L_PLAYER, "Skipping read\n"); outputs_write(rawbuf, last_rtptime); } static void player_playback_cb(int fd, short what, void *arg) { struct timespec next_tick; uint64_t overrun; int ret; int skip; int skip_first; // Check if we missed any timer expirations overrun = 0; #if defined(__linux__) ret = read(fd, &overrun, sizeof(overrun)); if (ret <= 0) DPRINTF(E_LOG, L_PLAYER, "Error reading timer\n"); else if (overrun > 0) overrun--; #else ret = timer_getoverrun(pb_timer); if (ret < 0) DPRINTF(E_LOG, L_PLAYER, "Error getting timer overrun\n"); else overrun = ret; #endif /* __linux__ */ // The reason we get behind the playback timer may be that we are playing a // network stream OR that the source is slow to open OR some interruption. // For streams, we might be consuming faster than the stream delivers, so // when ffmpeg's buffer empties (might take a few hours) our av_read_frame() // in transcode.c will begin to block, because ffmpeg has to wait for new data // from the stream server. // // Our strategy to catch up with the timer depends on the source: // - streams: We will skip reading data every second until we have countered // the overrun by skipping reads for a number of ticks that is // 3 times the overrun. That should make the source catch up. To // keep the output happy we resend the previous rawbuf when we // have skipped a read. // - files: Just read and write like crazy until we have caught up. skip_first = 0; if (overrun > PLAYER_TICKS_MAX_OVERRUN) { DPRINTF(E_WARN, L_PLAYER, "Behind the playback timer with %" PRIu64 " ticks\n", overrun); if (cur_streaming && (cur_streaming->data_kind == DATA_KIND_HTTP || cur_streaming->data_kind == DATA_KIND_PIPE)) { ticks_skip = 3 * overrun; DPRINTF(E_WARN, L_PLAYER, "Will skip reading for a total of %d ticks to catch up\n", ticks_skip); // We always skip after a timer overrun, since another read will // probably just give another time overrun skip_first = 1; } else ticks_skip = 0; } // Decide how many packets to send next_tick = timespec_add(pb_timer_last, tick_interval); for (; overrun > 0; overrun--) next_tick = timespec_add(next_tick, tick_interval); do { skip = skip_first || ((ticks_skip > 0) && ((last_rtptime / AIRTUNES_V2_PACKET_SAMPLES) % 126 == 0)); playback_write(skip); skip_first = 0; if (skip) ticks_skip--; packet_timer_last = timespec_add(packet_timer_last, packet_time); } while ((timespec_cmp(packet_timer_last, next_tick) < 0) && (player_state == PLAY_PLAYING)); /* Make sure playback is still running */ if (player_state == PLAY_STOPPED) return; pb_timer_last = next_tick; } /* Helpers */ static void device_list_sort(void) { struct output_device *device; struct output_device *next; struct output_device *prev; int swaps; // Swap sorting since even the most inefficient sorting should do fine here do { swaps = 0; prev = NULL; for (device = dev_list; device && device->next; device = device->next) { next = device->next; if ( (outputs_priority(device) > outputs_priority(next)) || (outputs_priority(device) == outputs_priority(next) && strcasecmp(device->name, next->name) > 0) ) { if (device == dev_list) dev_list = next; if (prev) prev->next = next; device->next = next->next; next->next = device; swaps++; } prev = device; } } while (swaps > 0); } static void device_remove(struct output_device *remove) { struct output_device *device; struct output_device *prev; int ret; prev = NULL; for (device = dev_list; device; device = device->next) { if (device == remove) break; prev = device; } if (!device) return; /* Save device volume */ ret = db_speaker_save(remove->id, remove->selected, remove->volume, remove->name); if (ret < 0) DPRINTF(E_LOG, L_PLAYER, "Could not save state for %s device '%s'\n", remove->type_name, remove->name); DPRINTF(E_DBG, L_PLAYER, "Removing %s device '%s'; stopped advertising\n", remove->type_name, remove->name); /* Make sure device isn't selected anymore */ if (remove->selected) speaker_deselect_output(remove); if (!prev) dev_list = remove->next; else prev->next = remove->next; outputs_device_free(remove); } static int device_check(struct output_device *check) { struct output_device *device; for (device = dev_list; device; device = device->next) { if (device == check) break; } return (device) ? 0 : -1; } static enum command_state device_add(void *arg, int *retval) { union player_arg *cmdarg; struct output_device *add; struct output_device *device; int selected; int ret; cmdarg = arg; add = cmdarg->device; for (device = dev_list; device; device = device->next) { if (device->id == add->id) break; } /* New device */ if (!device) { device = add; ret = db_speaker_get(device->id, &selected, &device->volume); if (ret < 0) { selected = 0; device->volume = (master_volume >= 0) ? master_volume : PLAYER_DEFAULT_VOLUME; } if (selected && (player_state != PLAY_PLAYING)) speaker_select_output(device); device->next = dev_list; dev_list = device; } // Update to a device already in the list else { device->advertised = 1; if (add->v4_address) { if (device->v4_address) free(device->v4_address); device->v4_address = add->v4_address; device->v4_port = add->v4_port; /* Address is ours now */ add->v4_address = NULL; } if (add->v6_address) { if (device->v6_address) free(device->v6_address); device->v6_address = add->v6_address; device->v6_port = add->v6_port; /* Address is ours now */ add->v6_address = NULL; } if (device->name) free(device->name); device->name = add->name; add->name = NULL; device->has_password = add->has_password; device->password = add->password; outputs_device_free(add); } device_list_sort(); *retval = 0; return COMMAND_END; } static enum command_state device_remove_family(void *arg, int *retval) { union player_arg *cmdarg; struct output_device *remove; struct output_device *device; cmdarg = arg; remove = cmdarg->device; for (device = dev_list; device; device = device->next) { if (device->id == remove->id) break; } if (!device) { DPRINTF(E_WARN, L_PLAYER, "The %s device '%s' stopped advertising, but not in our list\n", remove->type_name, remove->name); outputs_device_free(remove); *retval = 0; return COMMAND_END; } /* v{4,6}_port non-zero indicates the address family stopped advertising */ if (remove->v4_port && device->v4_address) { free(device->v4_address); device->v4_address = NULL; device->v4_port = 0; } if (remove->v6_port && device->v6_address) { free(device->v6_address); device->v6_address = NULL; device->v6_port = 0; } if (!device->v4_address && !device->v6_address) { device->advertised = 0; if (!device->session) device_remove(device); } outputs_device_free(remove); *retval = 0; return COMMAND_END; } static enum command_state metadata_send(void *arg, int *retval) { union player_arg *cmdarg; struct player_metadata *pmd; cmdarg = arg; pmd = cmdarg->pmd; /* Do the setting of rtptime which was deferred in metadata_trigger because we * wanted to wait until we had the actual last_rtptime */ if ((pmd->rtptime == 0) && (pmd->startup)) pmd->rtptime = last_rtptime + AIRTUNES_V2_PACKET_SAMPLES; outputs_metadata_send(pmd->omd, pmd->rtptime, pmd->offset, pmd->startup); *retval = 0; return COMMAND_END; } /* Output device callbacks executed in the player thread */ static void device_streaming_cb(struct output_device *device, struct output_session *session, enum output_device_state status) { int ret; DPRINTF(E_DBG, L_PLAYER, "Callback from %s to device_streaming_cb\n", outputs_name(device->type)); ret = device_check(device); if (ret < 0) { DPRINTF(E_LOG, L_PLAYER, "Output device disappeared during streaming!\n"); output_sessions--; return; } if (status == OUTPUT_STATE_FAILED) { DPRINTF(E_LOG, L_PLAYER, "The %s device '%s' FAILED\n", device->type_name, device->name); output_sessions--; if (player_state == PLAY_PLAYING) speaker_deselect_output(device); device->session = NULL; if (!device->advertised) device_remove(device); if (output_sessions == 0) playback_abort(); } else if (status == OUTPUT_STATE_STOPPED) { DPRINTF(E_INFO, L_PLAYER, "The %s device '%s' stopped\n", device->type_name, device->name); output_sessions--; device->session = NULL; if (!device->advertised) device_remove(device); } else outputs_status_cb(session, device_streaming_cb); } static void device_command_cb(struct output_device *device, struct output_session *session, enum output_device_state status) { DPRINTF(E_DBG, L_PLAYER, "Callback from %s to device_command_cb\n", outputs_name(device->type)); outputs_status_cb(session, device_streaming_cb); if (status == OUTPUT_STATE_FAILED) device_streaming_cb(device, session, status); commands_exec_end(cmdbase, 0); } static void device_shutdown_cb(struct output_device *device, struct output_session *session, enum output_device_state status) { int retval; int ret; DPRINTF(E_DBG, L_PLAYER, "Callback from %s to device_shutdown_cb\n", outputs_name(device->type)); if (output_sessions) output_sessions--; retval = commands_exec_returnvalue(cmdbase); ret = device_check(device); if (ret < 0) { DPRINTF(E_WARN, L_PLAYER, "Output device disappeared before shutdown completion!\n"); if (retval != -2) retval = -1; goto out; } device->session = NULL; if (!device->advertised) device_remove(device); out: /* cur_cmd->ret already set * - to 0 (or -2 if password issue) in speaker_set() * - to -1 above on error */ commands_exec_end(cmdbase, retval); } static void device_lost_cb(struct output_device *device, struct output_session *session, enum output_device_state status) { DPRINTF(E_DBG, L_PLAYER, "Callback from %s to device_lost_cb\n", outputs_name(device->type)); /* We lost that device during startup for some reason, not much we can do here */ if (status == OUTPUT_STATE_FAILED) DPRINTF(E_WARN, L_PLAYER, "Failed to stop lost device\n"); else DPRINTF(E_INFO, L_PLAYER, "Lost device stopped properly\n"); } static void device_activate_cb(struct output_device *device, struct output_session *session, enum output_device_state status) { struct timespec ts; int retval; int ret; DPRINTF(E_DBG, L_PLAYER, "Callback from %s to device_activate_cb\n", outputs_name(device->type)); retval = commands_exec_returnvalue(cmdbase); ret = device_check(device); if (ret < 0) { DPRINTF(E_WARN, L_PLAYER, "Output device disappeared during startup!\n"); outputs_status_cb(session, device_lost_cb); outputs_device_stop(session); if (retval != -2) retval = -1; goto out; } if (status == OUTPUT_STATE_PASSWORD) { status = OUTPUT_STATE_FAILED; retval = -2; } if (status == OUTPUT_STATE_FAILED) { speaker_deselect_output(device); if (!device->advertised) device_remove(device); if (retval != -2) retval = -1; goto out; } device->session = session; output_sessions++; if ((player_state == PLAY_PLAYING) && (output_sessions == 1)) { ret = clock_gettime_with_res(CLOCK_MONOTONIC, &ts, &timer_res); if (ret < 0) { DPRINTF(E_LOG, L_PLAYER, "Could not get current time: %s\n", strerror(errno)); /* Fallback to nearest timer expiration time */ ts.tv_sec = pb_timer_last.tv_sec; ts.tv_nsec = pb_timer_last.tv_nsec; } outputs_playback_start(last_rtptime + AIRTUNES_V2_PACKET_SAMPLES, &ts); } outputs_status_cb(session, device_streaming_cb); out: /* cur_cmd->ret already set * - to 0 in speaker_set() (default) * - to -2 above if password issue * - to -1 above on error */ commands_exec_end(cmdbase, retval); } static void device_probe_cb(struct output_device *device, struct output_session *session, enum output_device_state status) { int retval; int ret; DPRINTF(E_DBG, L_PLAYER, "Callback from %s to device_probe_cb\n", outputs_name(device->type)); retval = commands_exec_returnvalue(cmdbase); ret = device_check(device); if (ret < 0) { DPRINTF(E_WARN, L_PLAYER, "Output device disappeared during probe!\n"); if (retval != -2) retval = -1; goto out; } if (status == OUTPUT_STATE_PASSWORD) { status = OUTPUT_STATE_FAILED; retval = -2; } if (status == OUTPUT_STATE_FAILED) { speaker_deselect_output(device); if (!device->advertised) device_remove(device); if (retval != -2) retval = -1; goto out; } out: /* cur_cmd->ret already set * - to 0 in speaker_set() (default) * - to -2 above if password issue * - to -1 above on error */ commands_exec_end(cmdbase, retval); } static void device_restart_cb(struct output_device *device, struct output_session *session, enum output_device_state status) { int ret; DPRINTF(E_DBG, L_PLAYER, "Callback from %s to device_restart_cb\n", outputs_name(device->type)); ret = device_check(device); if (ret < 0) { DPRINTF(E_WARN, L_PLAYER, "Output device disappeared during restart!\n"); outputs_status_cb(session, device_lost_cb); outputs_device_stop(session); goto out; } if (status == OUTPUT_STATE_FAILED) { speaker_deselect_output(device); if (!device->advertised) device_remove(device); goto out; } device->session = session; output_sessions++; outputs_status_cb(session, device_streaming_cb); out: commands_exec_end(cmdbase, 0); } /* Internal abort routine */ static void playback_abort(void) { int ret; outputs_playback_stop(); pb_timer_stop(); source_stop(); evbuffer_drain(audio_buf, evbuffer_get_length(audio_buf)); if (!clear_queue_on_stop_disabled) playerqueue_clear(NULL, &ret); status_update(PLAY_STOPPED); metadata_purge(); } /* Actual commands, executed in the player thread */ static enum command_state get_status(void *arg, int *retval) { union player_arg *cmdarg = arg; struct timespec ts; struct player_source *ps; struct player_status *status; struct queue_item *item_next; uint64_t pos; int ret; status = cmdarg->status; memset(status, 0, sizeof(struct player_status)); status->shuffle = shuffle; status->repeat = repeat; status->volume = master_volume; status->plid = cur_plid; status->plversion = cur_plversion; status->playlistlength = queue_count(queue); switch (player_state) { case PLAY_STOPPED: DPRINTF(E_DBG, L_PLAYER, "Player status: stopped\n"); status->status = PLAY_STOPPED; break; case PLAY_PAUSED: DPRINTF(E_DBG, L_PLAYER, "Player status: paused\n"); status->status = PLAY_PAUSED; status->id = cur_streaming->id; status->item_id = cur_streaming->item_id; pos = last_rtptime + AIRTUNES_V2_PACKET_SAMPLES - cur_streaming->stream_start; status->pos_ms = (pos * 1000) / 44100; status->len_ms = cur_streaming->len_ms; status->pos_pl = queue_index_byitemid(queue, cur_streaming->item_id, 0); break; case PLAY_PLAYING: if (!cur_playing) { DPRINTF(E_DBG, L_PLAYER, "Player status: playing (buffering)\n"); status->status = PLAY_PAUSED; ps = cur_streaming; /* Avoid a visible 2-second jump backward for the client */ pos = ps->output_start - ps->stream_start; } else { DPRINTF(E_DBG, L_PLAYER, "Player status: playing\n"); status->status = PLAY_PLAYING; ps = cur_playing; ret = player_get_current_pos(&pos, &ts, 0); if (ret < 0) { DPRINTF(E_LOG, L_PLAYER, "Could not get current stream position for playstatus\n"); pos = 0; } if (pos < ps->stream_start) pos = 0; else pos -= ps->stream_start; } status->pos_ms = (pos * 1000) / 44100; status->len_ms = ps->len_ms; status->id = ps->id; status->item_id = ps->item_id; status->pos_pl = queue_index_byitemid(queue, ps->item_id, 0); item_next = queue_next(queue, ps->item_id, shuffle, repeat, 0); if (item_next) { status->next_id = queueitem_id(item_next); status->next_item_id = queueitem_item_id(item_next); status->next_pos_pl = queue_index_byitemid(queue, status->next_item_id, 0); } else { //TODO [queue/mpd] Check how mpd sets the next-id/-pos if the last song is playing status->next_id = 0; status->next_pos_pl = 0; } break; } *retval = 0; return COMMAND_END; } static enum command_state now_playing(void *arg, int *retval) { union player_arg *cmdarg = arg; uint32_t *id; struct player_source *ps_playing; id = cmdarg->id_ptr; ps_playing = source_now_playing(); if (ps_playing) *id = ps_playing->id; else { *retval = -1; return COMMAND_END; } *retval = 0; return COMMAND_END; } static enum command_state artwork_url_get(void *arg, int *retval) { union player_arg *cmdarg = arg; struct player_source *ps; cmdarg->icy.artwork_url = NULL; if (cur_playing) ps = cur_playing; else if (cur_streaming) ps = cur_streaming; else { *retval = -1; return COMMAND_END; } /* Check that we are playing a viable stream, and that it has the requested id */ if (!ps->xcode || ps->data_kind != DATA_KIND_HTTP || ps->id != cmdarg->icy.id) { *retval = -1; return COMMAND_END; } cmdarg->icy.artwork_url = transcode_metadata_artwork_url(ps->xcode); *retval = 0; return COMMAND_END; } static enum command_state playback_stop(void *arg, int *retval) { struct player_source *ps_playing; /* We may be restarting very soon, so we don't bring the devices to a * full stop just yet; this saves time when restarting, which is nicer * for the user. */ *retval = outputs_flush(device_command_cb, last_rtptime + AIRTUNES_V2_PACKET_SAMPLES); pb_timer_stop(); ps_playing = source_now_playing(); if (ps_playing) { history_add(ps_playing->id, ps_playing->item_id); } source_stop(); evbuffer_drain(audio_buf, evbuffer_get_length(audio_buf)); status_update(PLAY_STOPPED); metadata_purge(); /* We're async if we need to flush devices */ if (*retval > 0) return COMMAND_PENDING; /* async */ return COMMAND_END; } /* Playback startup bottom half */ static enum command_state playback_start_bh(void *arg, int *retval) { int ret; if (output_sessions == 0) { DPRINTF(E_LOG, L_PLAYER, "Cannot start playback: no output started\n"); goto out_fail; } ret = clock_gettime_with_res(CLOCK_MONOTONIC, &pb_pos_stamp, &timer_res); if (ret < 0) { DPRINTF(E_LOG, L_PLAYER, "Couldn't get current clock: %s\n", strerror(errno)); goto out_fail; } pb_timer_stop(); /* * initialize the packet timer to the same relative time that we have * for the playback timer. */ packet_timer_last.tv_sec = pb_pos_stamp.tv_sec; packet_timer_last.tv_nsec = pb_pos_stamp.tv_nsec; pb_timer_last.tv_sec = pb_pos_stamp.tv_sec; pb_timer_last.tv_nsec = pb_pos_stamp.tv_nsec; ret = pb_timer_start(); if (ret < 0) goto out_fail; /* Everything OK, start outputs */ outputs_playback_start(last_rtptime + AIRTUNES_V2_PACKET_SAMPLES, &pb_pos_stamp); status_update(PLAY_PLAYING); *retval = 0; return COMMAND_END; out_fail: playback_abort(); *retval = -1; return COMMAND_END; } static enum command_state playback_start_item(union player_arg *cmdarg, int *retval, struct queue_item *qii) { uint32_t *dbmfi_id; struct output_device *device; struct player_source *ps_playing; struct queue_item *item; int ret; dbmfi_id = cmdarg->playback_start_param.id_ptr; ps_playing = source_now_playing(); if (player_state == PLAY_PLAYING) { /* * If player is already playing a song, only return current playing song id * and do not change player state (ignores given arguments for playing a * specified song by pos or id). */ if (dbmfi_id && ps_playing) { *dbmfi_id = ps_playing->id; } status_update(player_state); *retval = 1; // Value greater 0 will prevent execution of the bottom half function return COMMAND_END; } // Update global playback position pb_pos = last_rtptime + AIRTUNES_V2_PACKET_SAMPLES - 88200; item = NULL; if (qii) { item = qii; } else if (!cur_streaming) { if (shuffle) queue_shuffle(queue, 0); item = queue_next(queue, 0, shuffle, repeat, 0); } if (item) { source_stop(); ret = source_open(item, last_rtptime + AIRTUNES_V2_PACKET_SAMPLES, 1); if (ret < 0) { playback_abort(); *retval = -1; return COMMAND_END; } } ret = source_play(); if (ret < 0) { playback_abort(); *retval = -1; return COMMAND_END; } if (dbmfi_id) *dbmfi_id = cur_streaming->id; metadata_trigger(1); /* Start sessions on selected devices */ *retval = 0; for (device = dev_list; device; device = device->next) { if (device->selected && !device->session) { ret = outputs_device_start(device, device_restart_cb, last_rtptime + AIRTUNES_V2_PACKET_SAMPLES); if (ret < 0) { DPRINTF(E_LOG, L_PLAYER, "Could not start selected %s device '%s'\n", device->type_name, device->name); continue; } DPRINTF(E_INFO, L_PLAYER, "Using selected %s device '%s'\n", device->type_name, device->name); (*retval)++; } } /* If autoselecting is enabled, try to autoselect a non-selected device if the above failed */ if (speaker_autoselect && (*retval == 0) && (output_sessions == 0)) for (device = dev_list; device; device = device->next) { if ((outputs_priority(device) == 0) || device->session) continue; speaker_select_output(device); ret = outputs_device_start(device, device_restart_cb, last_rtptime + AIRTUNES_V2_PACKET_SAMPLES); if (ret < 0) { DPRINTF(E_DBG, L_PLAYER, "Could not autoselect %s device '%s'\n", device->type_name, device->name); speaker_deselect_output(device); continue; } DPRINTF(E_INFO, L_PLAYER, "Autoselecting %s device '%s'\n", device->type_name, device->name); (*retval)++; break; } /* No luck finding valid output */ if ((*retval == 0) && (output_sessions == 0)) { DPRINTF(E_LOG, L_PLAYER, "Could not start playback: no output selected or couldn't start any output\n"); playback_abort(); *retval = -1; return COMMAND_END; } /* We're async if we need to start devices */ if (*retval > 0) return COMMAND_PENDING; /* async */ /* Otherwise, just run the bottom half */ *retval = 0; return COMMAND_END; } static enum command_state playback_start(void *arg, int *retval) { return playback_start_item(arg, retval, NULL); } static enum command_state playback_start_byitemid(void *arg, int *retval) { union player_arg *cmdarg = arg; int item_id; struct queue_item *qii; item_id = cmdarg->playback_start_param.id; qii = queue_get_byitemid(queue, item_id); return playback_start_item(cmdarg, retval, qii); } static enum command_state playback_start_byindex(void *arg, int *retval) { union player_arg *cmdarg = arg; int pos; struct queue_item *qii; pos = cmdarg->playback_start_param.pos; qii = queue_get_byindex(queue, pos, 0); return playback_start_item(cmdarg, retval, qii); } static enum command_state playback_start_bypos(void *arg, int *retval) { union player_arg *cmdarg = arg; int offset; struct player_source *ps_playing; struct queue_item *qii; offset = cmdarg->playback_start_param.pos; ps_playing = source_now_playing(); if (ps_playing) { qii = queue_get_bypos(queue, ps_playing->item_id, offset, shuffle); } else { qii = queue_get_byindex(queue, offset, shuffle); } return playback_start_item(cmdarg, retval, qii); } static enum command_state playback_prev_bh(void *arg, int *retval) { int ret; int pos_sec; struct queue_item *item; /* * The upper half is playback_pause, therefor the current playing item is * already set as the cur_streaming (cur_playing is NULL). */ if (!cur_streaming) { DPRINTF(E_LOG, L_PLAYER, "Could not get current stream source\n"); *retval = -1; return COMMAND_END; } /* Only add to history if playback started. */ if (cur_streaming->output_start > cur_streaming->stream_start) history_add(cur_streaming->id, cur_streaming->item_id); /* Compute the playing time in seconds for the current song. */ if (cur_streaming->output_start > cur_streaming->stream_start) pos_sec = (cur_streaming->output_start - cur_streaming->stream_start) / 44100; else pos_sec = 0; /* Only skip to the previous song if the playing time is less than 3 seconds, otherwise restart the current song. */ DPRINTF(E_DBG, L_PLAYER, "Skipping song played %d sec\n", pos_sec); if (pos_sec < 3) { item = queue_prev(queue, cur_streaming->item_id, shuffle, repeat); if (!item) { playback_abort(); *retval = -1; return COMMAND_END; } source_stop(); ret = source_open(item, last_rtptime + AIRTUNES_V2_PACKET_SAMPLES, 0); if (ret < 0) { playback_abort(); *retval = -1; return COMMAND_END; } } else { ret = source_seek(0); if (ret < 0) { playback_abort(); *retval = -1; return COMMAND_END; } } if (player_state == PLAY_STOPPED) { *retval = -1; return COMMAND_END; } /* Silent status change - playback_start() sends the real status update */ player_state = PLAY_PAUSED; *retval = 0; return COMMAND_END; } /* * The bottom half of the next command */ static enum command_state playback_next_bh(void *arg, int *retval) { int ret; struct queue_item *item; /* * The upper half is playback_pause, therefor the current playing item is * already set as the cur_streaming (cur_playing is NULL). */ if (!cur_streaming) { DPRINTF(E_LOG, L_PLAYER, "Could not get current stream source\n"); *retval = -1; return COMMAND_END; } /* Only add to history if playback started. */ if (cur_streaming->output_start > cur_streaming->stream_start) history_add(cur_streaming->id, cur_streaming->item_id); item = queue_next(queue, cur_streaming->item_id, shuffle, repeat, 0); if (!item) { playback_abort(); *retval = -1; return COMMAND_END; } source_stop(); ret = source_open(item, last_rtptime + AIRTUNES_V2_PACKET_SAMPLES, 0); if (ret < 0) { playback_abort(); *retval = -1; return COMMAND_END; } if (player_state == PLAY_STOPPED) { *retval = -1; return COMMAND_END; } /* Silent status change - playback_start() sends the real status update */ player_state = PLAY_PAUSED; *retval = 0; return COMMAND_END; } static enum command_state playback_seek_bh(void *arg, int *retval) { union player_arg *cmdarg = arg; int ms; int ret; ms = cmdarg->intval; ret = source_seek(ms); if (ret < 0) { playback_abort(); *retval = -1; return COMMAND_END; } /* Silent status change - playback_start() sends the real status update */ player_state = PLAY_PAUSED; *retval = 0; return COMMAND_END; } static enum command_state playback_pause_bh(void *arg, int *retval) { int ret; if (cur_streaming->data_kind == DATA_KIND_HTTP || cur_streaming->data_kind == DATA_KIND_PIPE) { DPRINTF(E_DBG, L_PLAYER, "Source is not pausable, abort playback\n"); playback_abort(); *retval = -1; return COMMAND_END; } status_update(PLAY_PAUSED); if (cur_streaming->media_kind & (MEDIA_KIND_MOVIE | MEDIA_KIND_PODCAST | MEDIA_KIND_AUDIOBOOK | MEDIA_KIND_TVSHOW)) { ret = (cur_streaming->output_start - cur_streaming->stream_start) / 44100 * 1000; db_file_save_seek(cur_streaming->id, ret); } *retval = 0; return COMMAND_END; } static enum command_state playback_pause(void *arg, int *retval) { uint64_t pos; pos = source_check(); if (pos == 0) { DPRINTF(E_LOG, L_PLAYER, "Could not retrieve current position for pause\n"); playback_abort(); *retval = -1; return COMMAND_END; } /* Make sure playback is still running after source_check() */ if (player_state == PLAY_STOPPED) { *retval = -1; return COMMAND_END; } *retval = outputs_flush(device_command_cb, last_rtptime + AIRTUNES_V2_PACKET_SAMPLES); pb_timer_stop(); source_pause(pos); evbuffer_drain(audio_buf, evbuffer_get_length(audio_buf)); metadata_purge(); /* We're async if we need to flush devices */ if (*retval > 0) return COMMAND_PENDING; /* async */ /* Otherwise, just run the bottom half */ return COMMAND_END; } static enum command_state speaker_enumerate(void *arg, int *retval) { union player_arg *cmdarg = arg; struct output_device *device; struct spk_enum *spk_enum; struct spk_flags flags; spk_enum = cmdarg->spk_enum; #ifdef DEBUG_RELVOL DPRINTF(E_DBG, L_PLAYER, "*** master: %d\n", master_volume); #endif for (device = dev_list; device; device = device->next) { if (device->advertised || device->selected) { flags.selected = device->selected; flags.has_password = device->has_password; flags.has_video = device->has_video; spk_enum->cb(device->id, device->name, device->relvol, device->volume, flags, spk_enum->arg); #ifdef DEBUG_RELVOL DPRINTF(E_DBG, L_PLAYER, "*** %s: abs %d rel %d\n", device->name, device->volume, device->relvol); #endif } } *retval = 0; return COMMAND_END; } static int speaker_activate(struct output_device *device) { int ret; if (!device) { DPRINTF(E_LOG, L_PLAYER, "Bug! speaker_activate called with device\n"); return -1; } if (player_state == PLAY_PLAYING) { DPRINTF(E_DBG, L_PLAYER, "Activating %s device '%s'\n", device->type_name, device->name); ret = outputs_device_start(device, device_activate_cb, last_rtptime + AIRTUNES_V2_PACKET_SAMPLES); if (ret < 0) { DPRINTF(E_LOG, L_PLAYER, "Could not start %s device '%s'\n", device->type_name, device->name); return -1; } } else { DPRINTF(E_DBG, L_PLAYER, "Probing %s device '%s'\n", device->type_name, device->name); ret = outputs_device_probe(device, device_probe_cb); if (ret < 0) { DPRINTF(E_LOG, L_PLAYER, "Could not probe %s device '%s'\n", device->type_name, device->name); return -1; } } return 0; } static int speaker_deactivate(struct output_device *device) { DPRINTF(E_DBG, L_PLAYER, "Deactivating %s device '%s'\n", device->type_name, device->name); outputs_status_cb(device->session, device_shutdown_cb); outputs_device_stop(device->session); return 0; } static enum command_state speaker_set(void *arg, int *retval) { union player_arg *cmdarg = arg; struct output_device *device; uint64_t *ids; int nspk; int i; int ret; *retval = 0; ids = cmdarg->speaker_set_param.device_ids; if (ids) nspk = ids[0]; else nspk = 0; DPRINTF(E_DBG, L_PLAYER, "Speaker set: %d speakers\n", nspk); *retval = 0; for (device = dev_list; device; device = device->next) { for (i = 1; i <= nspk; i++) { DPRINTF(E_DBG, L_PLAYER, "Set %" PRIu64 " device %" PRIu64 "\n", ids[i], device->id); if (ids[i] == device->id) break; } if (i <= nspk) { if (device->has_password && !device->password) { DPRINTF(E_INFO, L_PLAYER, "The %s device '%s' is password-protected, but we don't have it\n", device->type_name, device->name); cmdarg->speaker_set_param.intval = -2; continue; } DPRINTF(E_DBG, L_PLAYER, "The %s device '%s' is selected\n", device->type_name, device->name); if (!device->selected) speaker_select_output(device); if (!device->session) { ret = speaker_activate(device); if (ret < 0) { DPRINTF(E_LOG, L_PLAYER, "Could not activate %s device '%s'\n", device->type_name, device->name); speaker_deselect_output(device); if (cmdarg->speaker_set_param.intval != -2) cmdarg->speaker_set_param.intval = -1; } else (*retval)++; } } else { DPRINTF(E_DBG, L_PLAYER, "The %s device '%s' is NOT selected\n", device->type_name, device->name); if (device->selected) speaker_deselect_output(device); if (device->session) { ret = speaker_deactivate(device); if (ret < 0) { DPRINTF(E_LOG, L_PLAYER, "Could not deactivate %s device '%s'\n", device->type_name, device->name); if (cmdarg->speaker_set_param.intval != -2) cmdarg->speaker_set_param.intval = -1; } else (*retval)++; } } } listener_notify(LISTENER_SPEAKER); if (*retval > 0) return COMMAND_PENDING; /* async */ *retval = cmdarg->speaker_set_param.intval; return COMMAND_END; } static enum command_state volume_set(void *arg, int *retval) { union player_arg *cmdarg = arg; struct output_device *device; int volume; *retval = 0; volume = cmdarg->intval; if (master_volume == volume) return COMMAND_END; master_volume = volume; for (device = dev_list; device; device = device->next) { if (!device->selected) continue; device->volume = rel_to_vol(device->relvol); #ifdef DEBUG_RELVOL DPRINTF(E_DBG, L_PLAYER, "*** %s: abs %d rel %d\n", device->name, device->volume, device->relvol); #endif if (device->session) *retval += outputs_device_volume_set(device, device_command_cb); } listener_notify(LISTENER_VOLUME); if (*retval > 0) return COMMAND_PENDING; /* async */ return COMMAND_END; } static enum command_state volume_setrel_speaker(void *arg, int *retval) { union player_arg *cmdarg = arg; struct output_device *device; uint64_t id; int relvol; *retval = 0; id = cmdarg->vol_param.spk_id; relvol = cmdarg->vol_param.volume; for (device = dev_list; device; device = device->next) { if (device->id != id) continue; if (!device->selected) { *retval = 0; return COMMAND_END; } device->relvol = relvol; device->volume = rel_to_vol(relvol); #ifdef DEBUG_RELVOL DPRINTF(E_DBG, L_PLAYER, "*** %s: abs %d rel %d\n", device->name, device->volume, device->relvol); #endif if (device->session) *retval = outputs_device_volume_set(device, device_command_cb); break; } listener_notify(LISTENER_VOLUME); if (*retval > 0) return COMMAND_PENDING; /* async */ return COMMAND_END; } static enum command_state volume_setabs_speaker(void *arg, int *retval) { union player_arg *cmdarg = arg; struct output_device *device; uint64_t id; int volume; *retval = 0; id = cmdarg->vol_param.spk_id; volume = cmdarg->vol_param.volume; master_volume = volume; for (device = dev_list; device; device = device->next) { if (!device->selected) continue; if (device->id != id) { device->relvol = vol_to_rel(device->volume); #ifdef DEBUG_RELVOL DPRINTF(E_DBG, L_PLAYER, "*** %s: abs %d rel %d\n", device->name, device->volume, device->relvol); #endif continue; } else { device->relvol = 100; device->volume = master_volume; #ifdef DEBUG_RELVOL DPRINTF(E_DBG, L_PLAYER, "*** %s: abs %d rel %d\n", device->name, device->volume, device->relvol); #endif if (device->session) *retval = outputs_device_volume_set(device, device_command_cb);//FIXME Does this need to be += ? } } listener_notify(LISTENER_VOLUME); if (*retval > 0) return COMMAND_PENDING; /* async */ return COMMAND_END; } static enum command_state repeat_set(void *arg, int *retval) { union player_arg *cmdarg = arg; if (cmdarg->mode == repeat) { *retval = 0; return COMMAND_END; } switch (cmdarg->mode) { case REPEAT_OFF: case REPEAT_SONG: case REPEAT_ALL: repeat = cmdarg->mode; break; default: DPRINTF(E_LOG, L_PLAYER, "Invalid repeat mode: %d\n", cmdarg->mode); *retval = -1; return COMMAND_END; } listener_notify(LISTENER_OPTIONS); *retval = 0; return COMMAND_END; } static enum command_state shuffle_set(void *arg, int *retval) { union player_arg *cmdarg = arg; uint32_t cur_id; switch (cmdarg->intval) { case 1: if (!shuffle) { cur_id = cur_streaming ? cur_streaming->item_id : 0; queue_shuffle(queue, cur_id); } /* FALLTHROUGH*/ case 0: shuffle = cmdarg->intval; break; default: DPRINTF(E_LOG, L_PLAYER, "Invalid shuffle mode: %d\n", cmdarg->intval); *retval = -1; return COMMAND_END; } listener_notify(LISTENER_OPTIONS); *retval = 0; return COMMAND_END; } static enum command_state playerqueue_get_bypos(void *arg, int *retval) { union player_arg *cmdarg = arg; int count; struct queue *qi; struct player_source *ps; int item_id; count = cmdarg->queue_get_param.count; ps = source_now_playing(); item_id = 0; if (ps) { item_id = ps->item_id; } qi = queue_new_bypos(queue, item_id, count, shuffle); cmdarg->queue_get_param.queue = qi; *retval = 0; return COMMAND_END; } static enum command_state playerqueue_get_byindex(void *arg, int *retval) { union player_arg *cmdarg = arg; int pos; int count; struct queue *qi; pos = cmdarg->queue_get_param.pos; count = cmdarg->queue_get_param.count; qi = queue_new_byindex(queue, pos, count, 0); cmdarg->queue_get_param.queue = qi; *retval = 0; return COMMAND_END; } static enum command_state playerqueue_add(void *arg, int *retval) { union player_arg *cmdarg = arg; struct queue_item *items; uint32_t cur_id; uint32_t *item_id; items = cmdarg->queue_add_param.items; item_id = cmdarg->queue_add_param.item_id_ptr; queue_add(queue, items); if (shuffle) { cur_id = cur_streaming ? cur_streaming->item_id : 0; queue_shuffle(queue, cur_id); } if (item_id) *item_id = queueitem_item_id(items); cur_plid = 0; cur_plversion++; listener_notify(LISTENER_PLAYLIST); *retval = 0; return COMMAND_END; } static enum command_state playerqueue_add_next(void *arg, int *retval) { union player_arg *cmdarg = arg; struct queue_item *items; uint32_t cur_id; items = cmdarg->queue_add_param.items; cur_id = cur_streaming ? cur_streaming->item_id : 0; queue_add_after(queue, items, cur_id); if (shuffle) queue_shuffle(queue, cur_id); cur_plid = 0; cur_plversion++; listener_notify(LISTENER_PLAYLIST); *retval = 0; return COMMAND_END; } static enum command_state playerqueue_move_bypos(void *arg, int *retval) { union player_arg *cmdarg = arg; struct player_source *ps_playing; uint32_t item_id; DPRINTF(E_DBG, L_PLAYER, "Moving song from position %d to be the next song after %d\n", cmdarg->queue_move_param.from_pos, cmdarg->queue_move_param.to_pos); ps_playing = source_now_playing(); if (!ps_playing) { DPRINTF(E_DBG, L_PLAYER, "No playing item found for move by pos\n"); item_id = 0; } else item_id = ps_playing->item_id; queue_move_bypos(queue, item_id, cmdarg->queue_move_param.from_pos, cmdarg->queue_move_param.to_pos, shuffle); cur_plversion++; listener_notify(LISTENER_PLAYLIST); *retval = 0; return COMMAND_END; } static enum command_state playerqueue_move_byindex(void *arg, int *retval) { union player_arg *cmdarg = arg; DPRINTF(E_DBG, L_PLAYER, "Moving song from index %d to be the next song after %d\n", cmdarg->queue_move_param.from_pos, cmdarg->queue_move_param.to_pos); queue_move_byindex(queue, cmdarg->queue_move_param.from_pos, cmdarg->queue_move_param.to_pos, 0); cur_plversion++; listener_notify(LISTENER_PLAYLIST); *retval = 0; return COMMAND_END; } static enum command_state playerqueue_move_byitemid(void *arg, int *retval) { union player_arg *cmdarg = arg; DPRINTF(E_DBG, L_PLAYER, "Moving song with item-id %d to be the next song after index %d\n", cmdarg->queue_move_param.item_id, cmdarg->queue_move_param.to_pos); queue_move_byitemid(queue, cmdarg->queue_move_param.item_id, cmdarg->queue_move_param.to_pos, 0); cur_plversion++; listener_notify(LISTENER_PLAYLIST); *retval = 0; return COMMAND_END; } static enum command_state playerqueue_remove_bypos(void *arg, int *retval) { union player_arg *cmdarg = arg; int pos; struct player_source *ps_playing; uint32_t item_id; pos = cmdarg->intval; if (pos < 1) { DPRINTF(E_LOG, L_PLAYER, "Can't remove item, invalid position %d\n", pos); *retval = -1; return COMMAND_END; } ps_playing = source_now_playing(); if (!ps_playing) { DPRINTF(E_DBG, L_PLAYER, "No playing item for remove by pos\n"); item_id = 0; } else item_id = ps_playing->item_id; DPRINTF(E_DBG, L_PLAYER, "Removing item from position %d\n", pos); queue_remove_bypos(queue, item_id, pos, shuffle); cur_plversion++; listener_notify(LISTENER_PLAYLIST); *retval = 0; return COMMAND_END; } static enum command_state playerqueue_remove_byindex(void *arg, int *retval) { union player_arg *cmdarg = arg; int pos; int count; int i; pos = cmdarg->queue_remove_param.from_pos; count = cmdarg->queue_remove_param.count; DPRINTF(E_DBG, L_PLAYER, "Removing %d items starting from position %d\n", count, pos); for (i = 0; i < count; i++) queue_remove_byindex(queue, pos, 0); cur_plversion++; listener_notify(LISTENER_PLAYLIST); *retval = 0; return COMMAND_END; } static enum command_state playerqueue_remove_byitemid(void *arg, int *retval) { union player_arg *cmdarg = arg; uint32_t id; id = cmdarg->id; if (id < 1) { DPRINTF(E_LOG, L_PLAYER, "Can't remove item, invalid id %d\n", id); *retval = -1; return COMMAND_END; } DPRINTF(E_DBG, L_PLAYER, "Removing item with id %d\n", id); queue_remove_byitemid(queue, id); cur_plversion++; listener_notify(LISTENER_PLAYLIST); *retval = 0; return COMMAND_END; } /* * Removes all media items from the queue */ static enum command_state playerqueue_clear(void *arg, int *retval) { queue_clear(queue); cur_plid = 0; cur_plversion++; listener_notify(LISTENER_PLAYLIST); *retval = 0; return COMMAND_END; } /* * Removes all items from the history */ static enum command_state playerqueue_clear_history(void *arg, int *retval) { memset(history, 0, sizeof(struct player_history)); cur_plversion++; listener_notify(LISTENER_PLAYLIST); *retval = 0; return COMMAND_END; } static enum command_state playerqueue_plid(void *arg, int *retval) { union player_arg *cmdarg = arg; cur_plid = cmdarg->id; *retval = 0; return COMMAND_END; } /* Player API executed in the httpd (DACP) thread */ int player_get_status(struct player_status *status) { union player_arg cmdarg; int ret; cmdarg.status = status; ret = commands_exec_sync(cmdbase, get_status, NULL, &cmdarg); return ret; } /* * Stores the now playing media item dbmfi-id in the given id pointer. * * @param id Pointer will hold the playing item (dbmfi) id if the function returns 0 * @return 0 on success, -1 on failure (e. g. no playing item found) */ int player_now_playing(uint32_t *id) { union player_arg cmdarg; int ret; cmdarg.id_ptr = id; ret = commands_exec_sync(cmdbase, now_playing, NULL, &cmdarg); return ret; } char * player_get_icy_artwork_url(uint32_t id) { union player_arg cmdarg; int ret; cmdarg.icy.id = id; if (pthread_self() != tid_player) ret = commands_exec_sync(cmdbase, artwork_url_get, NULL, &cmdarg); else artwork_url_get(&cmdarg, &ret); if (ret < 0) return NULL; else return cmdarg.icy.artwork_url; } /* * Starts/resumes playback * * Depending on the player state, this will either resume playing the current item (player is paused) * or begin playing the queue from the beginning. * * If shuffle is set, the queue is reshuffled prior to starting playback. * * If a pointer is given as argument "itemid", its value will be set to the playing item dbmfi-id. * * @param *id if not NULL, will be set to the playing item dbmfi-id * @return 0 if successful, -1 if an error occurred */ int player_playback_start(uint32_t *id) { union player_arg cmdarg; int ret; cmdarg.playback_start_param.id_ptr = id; ret = commands_exec_sync(cmdbase, playback_start, playback_start_bh, &cmdarg); return ret; } /* * Starts playback with the media item at the given index of the play-queue. * * If shuffle is set, the queue is reshuffled prior to starting playback. * * If a pointer is given as argument "itemid", its value will be set to the playing item id. * * @param index the index of the item in the play-queue * @param *id if not NULL, will be set to the playing item id * @return 0 if successful, -1 if an error occurred */ int player_playback_start_byindex(int index, uint32_t *id) { union player_arg cmdarg; int ret; cmdarg.playback_start_param.pos = index; cmdarg.playback_start_param.id_ptr = id; ret = commands_exec_sync(cmdbase, playback_start_byindex, playback_start_bh, &cmdarg); return ret; } /* * Starts playback with the media item at the given position in the UpNext-queue. * The UpNext-queue consists of all items of the play-queue (shuffle off) or shuffle-queue * (shuffle on) after the current playing item (starting with position 0). * * If shuffle is set, the queue is reshuffled prior to starting playback. * * If a pointer is given as argument "itemid", its value will be set to the playing item dbmfi-id. * * @param pos the position in the UpNext-queue (zero-based) * @param *id if not NULL, will be set to the playing item dbmfi-id * @return 0 if successful, -1 if an error occurred */ int player_playback_start_bypos(int pos, uint32_t *id) { union player_arg cmdarg; int ret; cmdarg.playback_start_param.pos = pos; cmdarg.playback_start_param.id_ptr = id; ret = commands_exec_sync(cmdbase, playback_start_bypos, playback_start_bh, &cmdarg); return ret; } /* * Starts playback with the media item with the given (queueitem) item-id in queue * * If shuffle is set, the queue is reshuffled prior to starting playback. * * If a pointer is given as argument "itemid", its value will be set to the playing item dbmfi-id. * * @param item_id The queue-item-id * @param *id if not NULL, will be set to the playing item dbmfi-id * @return 0 if successful, -1 if an error occurred */ int player_playback_start_byitemid(uint32_t item_id, uint32_t *id) { union player_arg cmdarg; int ret; cmdarg.playback_start_param.id = item_id; cmdarg.playback_start_param.id_ptr = id; ret = commands_exec_sync(cmdbase, playback_start_byitemid, playback_start_bh, &cmdarg); return ret; return ret; } int player_playback_stop(void) { int ret; ret = commands_exec_sync(cmdbase, playback_stop, NULL, NULL); return ret; } int player_playback_pause(void) { int ret; ret = commands_exec_sync(cmdbase, playback_pause, playback_pause_bh, NULL); return ret; } int player_playback_seek(int ms) { union player_arg cmdarg; int ret; cmdarg.intval = ms; ret = commands_exec_sync(cmdbase, playback_pause, playback_seek_bh, &cmdarg); return ret; } int player_playback_next(void) { int ret; ret = commands_exec_sync(cmdbase, playback_pause, playback_next_bh, NULL); return ret; } int player_playback_prev(void) { int ret; ret = commands_exec_sync(cmdbase, playback_pause, playback_prev_bh, NULL); return ret; } void player_speaker_enumerate(spk_enum_cb cb, void *arg) { union player_arg cmdarg; struct spk_enum spk_enum; spk_enum.cb = cb; spk_enum.arg = arg; cmdarg.spk_enum = &spk_enum; commands_exec_sync(cmdbase, speaker_enumerate, NULL, &cmdarg); } int player_speaker_set(uint64_t *ids) { union player_arg cmdarg; int ret; cmdarg.speaker_set_param.device_ids = ids; cmdarg.speaker_set_param.intval = 0; ret = commands_exec_sync(cmdbase, speaker_set, NULL, &cmdarg); return ret; } int player_volume_set(int vol) { union player_arg cmdarg; int ret; cmdarg.intval = vol; ret = commands_exec_sync(cmdbase, volume_set, NULL, &cmdarg); return ret; } int player_volume_setrel_speaker(uint64_t id, int relvol) { union player_arg cmdarg; int ret; cmdarg.vol_param.spk_id = id; cmdarg.vol_param.volume = relvol; ret = commands_exec_sync(cmdbase, volume_setrel_speaker, NULL, &cmdarg); return ret; } int player_volume_setabs_speaker(uint64_t id, int vol) { union player_arg cmdarg; int ret; cmdarg.vol_param.spk_id = id; cmdarg.vol_param.volume = vol; ret = commands_exec_sync(cmdbase, volume_setabs_speaker, NULL, &cmdarg); return ret; } int player_repeat_set(enum repeat_mode mode) { union player_arg cmdarg; int ret; cmdarg.mode = mode; ret = commands_exec_sync(cmdbase, repeat_set, NULL, &cmdarg); return ret; } int player_shuffle_set(int enable) { union player_arg cmdarg; int ret; cmdarg.intval = enable; ret = commands_exec_sync(cmdbase, shuffle_set, NULL, &cmdarg); return ret; } /* * Returns the queue info for max "count" media items in the UpNext-queue * * The UpNext-queue consists of all items of the play-queue (shuffle off) or shuffle-queue * (shuffle on) after the current playing item (starting with position 0). * * @param count max number of media items to return * @return queue info */ struct queue * player_queue_get_bypos(int count) { union player_arg cmdarg; int ret; cmdarg.queue_get_param.pos = -1; cmdarg.queue_get_param.count = count; cmdarg.queue_get_param.queue = NULL; ret = commands_exec_sync(cmdbase, playerqueue_get_bypos, NULL, &cmdarg); if (ret != 0) return NULL; return cmdarg.queue_get_param.queue; } /* * Returns the queue info for max "count" media items starting with the item at the given * index in the play-queue * * @param index Index of the play-queue for the first item * @param count max number of media items to return * @return queue info */ struct queue * player_queue_get_byindex(int index, int count) { union player_arg cmdarg; int ret; cmdarg.queue_get_param.pos = index; cmdarg.queue_get_param.count = count; cmdarg.queue_get_param.queue = NULL; ret = commands_exec_sync(cmdbase, playerqueue_get_byindex, NULL, &cmdarg); if (ret != 0) return NULL; return cmdarg.queue_get_param.queue; } /* * Appends the given media items to the queue */ int player_queue_add(struct queue_item *items, uint32_t *item_id) { union player_arg cmdarg; int ret; cmdarg.queue_add_param.items = items; cmdarg.queue_add_param.item_id_ptr = item_id; ret = commands_exec_sync(cmdbase, playerqueue_add, NULL, &cmdarg); return ret; } /* * Adds the given media items directly after the current playing/streaming media item */ int player_queue_add_next(struct queue_item *items) { union player_arg cmdarg; int ret; cmdarg.queue_add_param.items = items; ret = commands_exec_sync(cmdbase, playerqueue_add_next, NULL, &cmdarg); return ret; } /* * Moves the media item at 'pos_from' to 'pos_to' in the UpNext-queue. * * The UpNext-queue consists of all items of the play-queue (shuffle off) or shuffle-queue * (shuffle on) after the current playing item (starting with position 0). */ int player_queue_move_bypos(int pos_from, int pos_to) { union player_arg cmdarg; int ret; cmdarg.queue_move_param.from_pos = pos_from; cmdarg.queue_move_param.to_pos = pos_to; ret = commands_exec_sync(cmdbase, playerqueue_move_bypos, NULL, &cmdarg); return ret; } int player_queue_move_byindex(int pos_from, int pos_to) { union player_arg cmdarg; int ret; cmdarg.queue_move_param.from_pos = pos_from; cmdarg.queue_move_param.to_pos = pos_to; ret = commands_exec_sync(cmdbase, playerqueue_move_byindex, NULL, &cmdarg); return ret; } int player_queue_move_byitemid(uint32_t item_id, int pos_to) { union player_arg cmdarg; int ret; cmdarg.queue_move_param.item_id = item_id; cmdarg.queue_move_param.to_pos = pos_to; ret = commands_exec_sync(cmdbase, playerqueue_move_byitemid, NULL, &cmdarg); return ret; } /* * Removes the media item at the given position from the UpNext-queue * * The UpNext-queue consists of all items of the play-queue (shuffle off) or shuffle-queue * (shuffle on) after the current playing item (starting with position 0). * * @param pos Position in the UpNext-queue (0-based) * @return 0 on success, -1 on failure */ int player_queue_remove_bypos(int pos) { union player_arg cmdarg; int ret; cmdarg.intval = pos; ret = commands_exec_sync(cmdbase, playerqueue_remove_bypos, NULL, &cmdarg); return ret; } /* * Removes the media item at the given position from the UpNext-queue * * The UpNext-queue consists of all items of the play-queue (shuffle off) or shuffle-queue * (shuffle on) after the current playing item (starting with position 0). * * @param pos Position in the UpNext-queue (0-based) * @return 0 on success, -1 on failure */ int player_queue_remove_byindex(int pos, int count) { union player_arg cmdarg; int ret; cmdarg.queue_remove_param.from_pos = pos; cmdarg.queue_remove_param.count = count; ret = commands_exec_sync(cmdbase, playerqueue_remove_byindex, NULL, &cmdarg); return ret; } /* * Removes the item with the given (queueitem) item id from the queue * * @param id Id of the queue item to remove * @return 0 on success, -1 on failure */ int player_queue_remove_byitemid(uint32_t id) { union player_arg cmdarg; int ret; cmdarg.id = id; ret = commands_exec_sync(cmdbase, playerqueue_remove_byitemid, NULL, &cmdarg); return ret; } void player_queue_clear(void) { commands_exec_sync(cmdbase, playerqueue_clear, NULL, NULL); } void player_queue_clear_history() { commands_exec_sync(cmdbase, playerqueue_clear_history, NULL, NULL); } void player_queue_plid(uint32_t plid) { union player_arg cmdarg; cmdarg.id = plid; commands_exec_sync(cmdbase, playerqueue_plid, NULL, &cmdarg); } /* Non-blocking commands used by mDNS */ int player_device_add(void *device) { union player_arg *cmdarg; int ret; cmdarg = calloc(1, sizeof(union player_arg)); if (!cmdarg) { DPRINTF(E_LOG, L_PLAYER, "Could not allocate player_command\n"); return -1; } cmdarg->device = device; ret = commands_exec_async(cmdbase, device_add, cmdarg); return ret; } int player_device_remove(void *device) { union player_arg *cmdarg; int ret; cmdarg = calloc(1, sizeof(union player_arg)); if (!cmdarg) { DPRINTF(E_LOG, L_PLAYER, "Could not allocate player_command\n"); return -1; } cmdarg->device = device; ret = commands_exec_async(cmdbase, device_remove_family, cmdarg); return ret; } /* Thread: worker */ static void player_metadata_send(struct player_metadata *pmd) { union player_arg cmdarg; cmdarg.pmd = pmd; commands_exec_sync(cmdbase, metadata_send, NULL, &cmdarg); } /* Thread: player */ static void * player(void *arg) { struct output_device *device; int ret; ret = db_perthread_init(); if (ret < 0) { DPRINTF(E_LOG, L_PLAYER, "Error: DB init failed\n"); pthread_exit(NULL); } event_base_dispatch(evbase_player); if (!player_exit) DPRINTF(E_LOG, L_PLAYER, "Player event loop terminated ahead of time!\n"); /* Save selected devices */ db_speaker_clear_all(); for (device = dev_list; device; device = device->next) { ret = db_speaker_save(device->id, device->selected, device->volume, device->name); if (ret < 0) DPRINTF(E_LOG, L_PLAYER, "Could not save state for %s device '%s'\n", device->type_name, device->name); } db_perthread_deinit(); pthread_exit(NULL); } /* Thread: main */ int player_init(void) { uint64_t interval; uint32_t rnd; int ret; player_exit = 0; speaker_autoselect = cfg_getbool(cfg_getsec(cfg, "general"), "speaker_autoselect"); clear_queue_on_stop_disabled = cfg_getbool(cfg_getsec(cfg, "mpd"), "clear_queue_on_stop_disable"); dev_list = NULL; master_volume = -1; output_sessions = 0; cur_playing = NULL; cur_streaming = NULL; cur_plid = 0; cur_plversion = 0; player_state = PLAY_STOPPED; repeat = REPEAT_OFF; shuffle = 0; queue = queue_new(); history = (struct player_history *)calloc(1, sizeof(struct player_history)); /* * Determine if the resolution of the system timer is > or < the size * of an audio packet. NOTE: this assumes the system clock resolution * is less than one second. */ if (clock_getres(CLOCK_MONOTONIC, &timer_res) < 0) { DPRINTF(E_LOG, L_PLAYER, "Could not get the system timer resolution.\n"); return -1; } #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) /* FreeBSD will report a resolution of 1, but actually has a resolution * larger than an audio packet */ if (timer_res.tv_nsec == 1) timer_res.tv_nsec = 2 * AIRTUNES_V2_STREAM_PERIOD; #endif // Set the tick interval for the playback timer interval = MAX(timer_res.tv_nsec, AIRTUNES_V2_STREAM_PERIOD); tick_interval.tv_nsec = interval; // Create the playback timer #if defined(__linux__) pb_timer_fd = timerfd_create(CLOCK_MONOTONIC, TFD_CLOEXEC | TFD_NONBLOCK); ret = pb_timer_fd; #else ret = timer_create(CLOCK_MONOTONIC, NULL, &pb_timer); #endif if (ret < 0) { DPRINTF(E_LOG, L_PLAYER, "Could not create playback timer: %s\n", strerror(errno)); return -1; } // Random RTP time start gcry_randomize(&rnd, sizeof(rnd), GCRY_STRONG_RANDOM); last_rtptime = ((uint64_t)1 << 32) | rnd; audio_buf = evbuffer_new(); if (!audio_buf) { DPRINTF(E_LOG, L_PLAYER, "Could not allocate evbuffer for audio buffer\n"); goto audio_fail; } evbase_player = event_base_new(); if (!evbase_player) { DPRINTF(E_LOG, L_PLAYER, "Could not create an event base\n"); goto evbase_fail; } #if defined(__linux__) pb_timer_ev = event_new(evbase_player, pb_timer_fd, EV_READ | EV_PERSIST, player_playback_cb, NULL); #else pb_timer_ev = event_new(evbase_player, SIGALRM, EV_SIGNAL | EV_PERSIST, player_playback_cb, NULL); #endif if (!pb_timer_ev) { DPRINTF(E_LOG, L_PLAYER, "Could not create playback timer event\n"); goto evnew_fail; } event_add(pb_timer_ev, NULL); cmdbase = commands_base_new(evbase_player, NULL); ret = outputs_init(); if (ret < 0) { DPRINTF(E_FATAL, L_PLAYER, "Output initiation failed\n"); goto outputs_fail; } ret = pthread_create(&tid_player, NULL, player, NULL); if (ret < 0) { DPRINTF(E_FATAL, L_PLAYER, "Could not spawn player thread: %s\n", strerror(errno)); goto thread_fail; } #if defined(HAVE_PTHREAD_SETNAME_NP) pthread_setname_np(tid_player, "player"); #elif defined(HAVE_PTHREAD_SET_NAME_NP) pthread_set_name_np(tid_player, "player"); #endif return 0; thread_fail: outputs_deinit(); outputs_fail: commands_base_free(cmdbase); evnew_fail: event_base_free(evbase_player); evbase_fail: evbuffer_free(audio_buf); audio_fail: #if defined(__linux__) close(pb_timer_fd); #else timer_delete(pb_timer); #endif return -1; } /* Thread: main */ void player_deinit(void) { int ret; player_exit = 1; commands_base_destroy(cmdbase); ret = pthread_join(tid_player, NULL); if (ret != 0) { DPRINTF(E_LOG, L_PLAYER, "Could not join player thread: %s\n", strerror(errno)); return; } queue_free(queue); free(history); pb_timer_stop(); #if defined(__linux__) close(pb_timer_fd); #else timer_delete(pb_timer); #endif evbuffer_free(audio_buf); outputs_deinit(); event_base_free(evbase_player); }