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streamer.c
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streamer.c
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/*
This file is part of Deadbeef Player source code
http://deadbeef.sourceforge.net
streamer implementation
Copyright (C) 2009-2013 Alexey Yakovenko
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
Alexey Yakovenko [email protected]
*/
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <assert.h>
#include <unistd.h>
#ifdef __linux__
#include <sys/prctl.h>
#endif
#include <sys/time.h>
#include <errno.h>
#include "threading.h"
#include "playlist.h"
#include "common.h"
#include "streamer.h"
#include "messagepump.h"
#include "conf.h"
#include "plugins.h"
#include "fastftoi.h"
#include "volume.h"
#include "vfs.h"
#include "premix.h"
#include "ringbuf.h"
#include "replaygain.h"
#include "fft.h"
#include "handler.h"
#include "plugins/libparser/parser.h"
#include "strdupa.h"
#include "playqueue.h"
//#define trace(...) { fprintf(stderr, __VA_ARGS__); }
#define trace(fmt,...)
//#define WRITE_DUMP 1
//#define DETECT_PL_LOCK_RC 1
#if WRITE_DUMP
FILE *out;
#endif
#define MAX_PLAYLIST_DOWNLOAD_SIZE 25000
static int
streamer_read_async (char *bytes, int size);
static int
streamer_set_output_format (void);
static intptr_t streamer_tid;
static ddb_dsp_context_t *dsp_chain;
static float dsp_ratio = 1;
static DB_dsp_t *eqplug;
static ddb_dsp_context_t *eq;
static int dsp_on = 0;
static int autoconv_8_to_16 = 1;
static int autoconv_16_to_24 = 0;
static int trace_bufferfill = 0;
static int stop_after_current = 0;
static int stop_after_album = 0;
static int streaming_terminate;
// buffer up to 3 seconds at 44100Hz stereo
#define STREAM_BUFFER_SIZE 0x80000 // slightly more than 3 seconds of 44100 stereo
// how much bigger should read-buffer be to allow upsampling.
// e.g. 8000Hz -> 192000Hz upsampling requires 24x buffer size,
// so if we originally request 4096 bytes blocks -
// that will require 24x buffer size, which is 98304 bytes buffer
#define MAX_DSP_RATIO 24
#define MIN_BLOCK_SIZE 4096
#define MAX_BLOCK_SIZE 16384
#define READBUFFER_SIZE (MAX_BLOCK_SIZE * MAX_DSP_RATIO)
static char readbuffer[READBUFFER_SIZE];
static ringbuf_t streamer_ringbuf;
static char streambuffer[STREAM_BUFFER_SIZE];
static int bytes_until_next_song = 0;
static uintptr_t mutex;
static uintptr_t currtrack_mutex;
static uintptr_t wdl_mutex; // wavedata listener
static int nextsong = -1;
static int nextsong_pstate = -1;
static int badsong = -1;
static float last_seekpos = -1;
static float playpos = 0; // play position of current song
static int avg_bitrate = -1; // avg bitrate of current song
static int last_bitrate = -1; // last bitrate of current song
static playlist_t *streamer_playlist;
static playItem_t *playing_track;
static float playtime; // total playtime of playing track
static time_t started_timestamp; // result of calling time(NULL)
static playItem_t *streaming_track;
static playItem_t *playlist_track;
static ddb_waveformat_t output_format; // format that was requested after DSP
static ddb_waveformat_t orig_output_format; // format that was requested before DSP
static int formatchanged;
static DB_fileinfo_t *fileinfo;
static DB_FILE *fileinfo_file;
static DB_fileinfo_t *new_fileinfo;
static DB_FILE *new_fileinfo_file;
static int streamer_buffering;
// to allow interruption of stall file requests
static DB_FILE *streamer_file;
// for vis plugins
static float freq_data[DDB_FREQ_BANDS * DDB_FREQ_MAX_CHANNELS];
static float audio_data[DDB_FREQ_BANDS * 2 * DDB_FREQ_MAX_CHANNELS];
static int audio_data_fill = 0;
static int audio_data_channels = 0;
// message queue
static struct handler_s *handler;
// visualization stuff
typedef struct wavedata_listener_s {
void *ctx;
void (*callback)(void *ctx, ddb_audio_data_t *data);
struct wavedata_listener_s *next;
} wavedata_listener_t;
static wavedata_listener_t *waveform_listeners;
static wavedata_listener_t *spectrum_listeners;
#if DETECT_PL_LOCK_RC
volatile pthread_t streamer_lock_tid = 0;
#endif
void
streamer_lock (void) {
#if DETECT_PL_LOCK_RC
extern pthread_t pl_lock_tid;
assert (pl_lock_tid != pthread_self()); // not permitted to lock streamer from inside of pl_lock
#endif
mutex_lock (mutex);
#if DETECT_PL_LOCK_RC
streamer_lock_tid = pthread_self();
#endif
}
void
streamer_unlock (void) {
#if DETECT_PL_LOCK_RC
streamer_lock_tid = 0;
#endif
mutex_unlock (mutex);
}
static void
streamer_set_nextsong_real (int song, int pstate);
static int
streamer_move_to_nextsong_real (int r);
static int
streamer_move_to_prevsong_real (int r);
static int
streamer_move_to_randomsong_real (int r);
static void
streamer_play_current_track_real (void);
static void
streamer_set_current_playlist_real (int plt);
static void
streamer_abort_files (void) {
DB_FILE *file = fileinfo_file;
DB_FILE *newfile = new_fileinfo_file;
DB_FILE *strfile = streamer_file;
trace ("\033[0;33mstreamer_abort_files\033[37;0m\n");
trace ("%p %p %p\n", file, newfile, strfile);
if (file) {
deadbeef->fabort (file);
}
if (newfile) {
deadbeef->fabort (newfile);
}
if (strfile) {
deadbeef->fabort (strfile);
}
}
static void
streamer_set_replaygain (playItem_t *it) {
// setup replaygain
pl_lock ();
const char *gain;
gain = pl_find_meta (it, ":REPLAYGAIN_ALBUMGAIN");
float albumgain = gain ? atof (gain) : 1000;
float albumpeak = pl_get_item_replaygain (it, DDB_REPLAYGAIN_ALBUMPEAK);
gain = pl_find_meta (it, ":REPLAYGAIN_TRACKGAIN");
float trackgain = gain ? atof (gain) : 1000;
float trackpeak = pl_get_item_replaygain (it, DDB_REPLAYGAIN_TRACKPEAK);
pl_unlock ();
replaygain_set_values (albumgain, albumpeak, trackgain, trackpeak);
}
static void
send_songstarted (playItem_t *trk) {
ddb_event_track_t *pev = (ddb_event_track_t *)messagepump_event_alloc (DB_EV_SONGSTARTED);
pev->track = DB_PLAYITEM (trk);
pl_item_ref (trk);
pev->playtime = 0;
pev->started_timestamp = time(NULL);
messagepump_push_event ((ddb_event_t*)pev, 0, 0);
}
static void
send_songfinished (playItem_t *trk) {
ddb_event_track_t *pev = (ddb_event_track_t *)messagepump_event_alloc (DB_EV_SONGFINISHED);
pev->track = DB_PLAYITEM (trk);
pl_item_ref (trk);
pev->playtime = playtime;
pev->started_timestamp = started_timestamp;
messagepump_push_event ((ddb_event_t*)pev, 0, 0);
}
static void
send_trackchanged (playItem_t *from, playItem_t *to) {
ddb_event_trackchange_t *event = (ddb_event_trackchange_t *)messagepump_event_alloc (DB_EV_SONGCHANGED);
event->playtime = playtime;
event->started_timestamp = started_timestamp;
if (from) {
pl_item_ref (from);
}
if (to) {
pl_item_ref (to);
}
event->from = (DB_playItem_t *)from;
event->to = (DB_playItem_t *)to;
messagepump_push_event ((ddb_event_t *)event, 0, 0);
}
static void
streamer_start_playback (playItem_t *from, playItem_t *it) {
if (from) {
pl_item_ref (from);
}
if (it) {
pl_item_ref (it);
}
// free old copy of playing
if (playing_track) {
pl_item_unref (playing_track);
playing_track = NULL;
}
pl_lock ();
playlist_track = it;
pl_unlock ();
// assign new
playing_track = it;
if (playing_track) {
pl_item_ref (playing_track);
playing_track->played = 1;
trace ("from=%p (%s), to=%p (%s) [2]\n", from, from ? pl_find_meta (from, ":URI") : "null", it, it ? pl_find_meta (it, ":URI") : "null");
send_trackchanged (from, it);
started_timestamp = time (NULL);
}
if (from) {
pl_item_unref (from);
}
if (it) {
pl_item_unref (it);
}
trace ("streamer_start_playback %s\n", playing_track ? pl_find_meta (playing_track, ":URI") : "null");
}
playItem_t *
streamer_get_streaming_track (void) {
if (streaming_track) {
pl_item_ref (streaming_track);
}
return streaming_track;
}
playItem_t *
streamer_get_playing_track (void) {
playItem_t *it = playing_track;// ? playing_track : playlist_track;
if (it) {
pl_item_ref (it);
}
return it;
}
int
str_get_idx_of (playItem_t *it) {
pl_lock ();
if (!streamer_playlist) {
streamer_playlist = plt_get_curr ();
}
playItem_t *c = streamer_playlist->head[PL_MAIN];
int idx = 0;
while (c && c != it) {
c = c->next[PL_MAIN];
idx++;
}
if (!c) {
pl_unlock ();
return -1;
}
pl_unlock ();
return idx;
}
playItem_t *
str_get_for_idx (int idx) {
pl_lock ();
if (!streamer_playlist) {
streamer_playlist = plt_get_curr ();
}
playItem_t *it = streamer_playlist->head[PL_MAIN];
while (idx--) {
if (!it) {
pl_unlock ();
return NULL;
}
it = it->next[PL_MAIN];
}
if (it) {
pl_item_ref (it);
}
pl_unlock ();
return it;
}
static int
stop_after_album_check (playItem_t *cur, playItem_t *next) {
if (!stop_after_album) {
return 0;
}
if (!cur) {
return 0;
}
if (!next) {
streamer_buffering = 0;
streamer_set_nextsong_real (-2, -2);
if (conf_get_int ("playlist.stop_after_album_reset", 0)) {
conf_set_int ("playlist.stop_after_album", 0);
stop_after_album = 0;
deadbeef->sendmessage (DB_EV_CONFIGCHANGED, 0, 0, 0);
}
return 1;
}
const char *cur_album = pl_find_meta_raw (cur, "album");
const char *next_album = pl_find_meta_raw (next, "album");
const char *keys[] = {
"band",
"album artist",
"albumartist",
"artist",
NULL
};
const char *cur_artist = NULL;
const char *next_artist = NULL;
for (int i = 0; keys[i]; i++) {
if (!cur_artist) {
cur_artist = pl_find_meta_raw (cur, keys[i]);
}
if (!next_artist) {
next_artist = pl_find_meta_raw (next, keys[i]);
}
if (cur_artist && next_artist) {
break;
}
}
if (cur_artist == next_artist && cur_album == next_album) {
return 0;
}
streamer_buffering = 0;
streamer_set_nextsong_real (-2, -2);
if (conf_get_int ("playlist.stop_after_album_reset", 0)) {
conf_set_int ("playlist.stop_after_album", 0);
stop_after_album = 0;
deadbeef->sendmessage (DB_EV_CONFIGCHANGED, 0, 0, 0);
}
return 1;
}
static int
streamer_move_to_nextsong_real (int reason) {
if (reason) {
plug_get_output ()->stop ();
}
trace ("streamer_move_to_nextsong (%d)\n", reason);
pl_lock ();
if (!streamer_playlist) {
streamer_playlist = plt_get_curr ();
}
playItem_t *curr = playlist_track;
while (playqueue_getcount ()) {
trace ("playqueue_getnext\n");
playItem_t *it = playqueue_getnext ();
if (it) {
if (stop_after_album_check(curr, it)) {
pl_unlock ();
return -1;
}
playqueue_pop ();
int r = str_get_idx_of (it);
if (r >= 0) {
pl_item_unref (it);
pl_unlock ();
streamer_set_nextsong_real (r, 1);
return 0;
}
else {
trace ("%s not found in current streaming playlist\n", pl_find_meta (it, ":URI"));
playlist_t *p = pl_get_playlist (it);
if (p) {
if (streamer_playlist) {
plt_unref (streamer_playlist);
}
streamer_playlist = p;
int r = str_get_idx_of (it);
if (r >= 0) {
pl_item_unref (it);
pl_unlock ();
streamer_set_nextsong_real (r, 3);
return 0;
}
}
trace ("%s not found in any playlists\n", pl_find_meta (it, ":URI"));
pl_item_unref (it);
}
}
}
if (reason == 1) {
if (streamer_playlist) {
plt_unref (streamer_playlist);
}
streamer_playlist = plt_get_curr ();
// check if prev song is in this playlist
if (-1 == str_get_idx_of (curr)) {
curr = NULL;
}
}
playlist_t *plt = streamer_playlist;
if (!plt->head[PL_MAIN]) {
pl_unlock ();
streamer_set_nextsong_real (-2, 1);
return 0;
}
int pl_order = pl_get_order ();
int pl_loop_mode = conf_get_int ("playback.loop", 0);
if (reason == 0 && pl_loop_mode == PLAYBACK_MODE_LOOP_SINGLE) { // song finished, loop mode is "loop 1 track"
int r = str_get_idx_of (playing_track);
pl_unlock ();
if (r == -1) {
streamer_set_nextsong_real (-2, 1);
}
else {
streamer_set_nextsong_real (r, 1);
}
return 0;
}
if (pl_order == PLAYBACK_ORDER_SHUFFLE_TRACKS || pl_order == PLAYBACK_ORDER_SHUFFLE_ALBUMS) { // shuffle
if (!curr || pl_order == PLAYBACK_ORDER_SHUFFLE_TRACKS) {
// find minimal notplayed
playItem_t *pmin = NULL; // notplayed minimum
for (playItem_t *i = plt->head[PL_MAIN]; i; i = i->next[PL_MAIN]) {
if (i->played) {
continue;
}
if (!pmin || i->shufflerating < pmin->shufflerating) {
pmin = i;
}
}
playItem_t *it = pmin;
// although it is possible that, although it == NULL, reshuffling the playlist
// will result in the next track belonging to the same album as this one, this
// is most likely not what the user wants.
if (stop_after_album_check(curr, it)) {
pl_unlock ();
return -1;
}
if (!it) {
// all songs played, reshuffle and try again
if (pl_loop_mode == PLAYBACK_MODE_LOOP_ALL) { // loop
plt_reshuffle (streamer_playlist, &it, NULL);
}
}
if (!it) {
streamer_buffering = 0;
send_trackinfochanged (streaming_track);
playItem_t *temp;
plt_reshuffle (streamer_playlist, &temp, NULL);
pl_unlock ();
streamer_set_nextsong_real (-2, -2);
return -1;
}
int r = str_get_idx_of (it);
pl_unlock ();
streamer_set_nextsong_real (r, 1);
return 0;
}
else {
trace ("pl_next_song: reason=%d, loop=%d\n", reason, pl_loop_mode);
// find minimal notplayed above current
int rating = curr->shufflerating;
playItem_t *pmin = NULL; // notplayed minimum
for (playItem_t *i = plt->head[PL_MAIN]; i; i = i->next[PL_MAIN]) {
if (i->played || i->shufflerating < rating) {
continue;
}
if (!pmin || i->shufflerating < pmin->shufflerating) {
pmin = i;
}
}
playItem_t *it = pmin;
if (stop_after_album_check(curr, it)) {
pl_unlock ();
return -1;
}
if (!it) {
// all songs played, reshuffle and try again
if (pl_loop_mode == PLAYBACK_MODE_LOOP_ALL || reason == 1) { // loop
trace ("all songs played! reshuffle\n");
plt_reshuffle (streamer_playlist, &it, NULL);
}
}
if (!it) {
streamer_buffering = 0;
send_trackinfochanged (streaming_track);
playItem_t *temp;
plt_reshuffle (streamer_playlist, &temp, NULL);
pl_unlock ();
streamer_set_nextsong_real (-2, -2);
return -1;
}
int r = str_get_idx_of (it);
pl_unlock ();
streamer_set_nextsong_real (r, 1);
return 0;
}
}
else if (pl_order == PLAYBACK_ORDER_LINEAR) { // linear
playItem_t *it = NULL;
if (!curr) {
int cur = plt_get_cursor (streamer_playlist, PL_MAIN);
if (cur != -1) {
curr = plt_get_item_for_idx (streamer_playlist, cur, PL_MAIN);
pl_item_unref (curr);
}
}
if (curr) {
it = curr->next[PL_MAIN];
}
else {
it = streamer_playlist->head[PL_MAIN];
}
if (stop_after_album_check(curr, it)) {
pl_unlock ();
return -1;
}
if (!it) {
trace ("streamer_move_nextsong: was last track\n");
if (pl_loop_mode == PLAYBACK_MODE_LOOP_ALL) {
it = plt->head[PL_MAIN];
}
else {
streamer_buffering = 0;
send_trackinfochanged (streaming_track);
badsong = -1;
pl_unlock ();
streamer_set_nextsong_real (-2, -2);
return 0;
}
}
if (!it) {
pl_unlock ();
return -1;
}
int r = str_get_idx_of (it);
pl_unlock ();
streamer_set_nextsong_real (r, 1);
return 0;
}
else if (pl_order == PLAYBACK_ORDER_RANDOM) { // random
pl_unlock ();
int res = streamer_move_to_randomsong_real (0);
if (res == -1) {
trace ("streamer_move_to_randomsong error\n");
streamer_set_nextsong_real (-2, 1);
return -1;
}
return 0;
}
pl_unlock ();
return -1;
}
static int
streamer_move_to_prevsong_real (int r) {
if (r) {
plug_get_output ()->stop ();
}
pl_lock ();
if (streamer_playlist) {
plt_unref (streamer_playlist);
}
streamer_playlist = plt_get_curr ();
// check if prev song is in this playlist
if (-1 == str_get_idx_of (playlist_track)) {
playlist_track = NULL;
}
playlist_t *plt = streamer_playlist;
playqueue_clear ();
if (!plt->head[PL_MAIN]) {
pl_unlock ();
streamer_set_nextsong_real (-2, 1);
return 0;
}
int pl_order = conf_get_int ("playback.order", 0);
int pl_loop_mode = conf_get_int ("playback.loop", 0);
if (pl_order == PLAYBACK_ORDER_SHUFFLE_TRACKS || pl_order == PLAYBACK_ORDER_SHUFFLE_ALBUMS) { // shuffle
if (!playlist_track) {
pl_unlock ();
return streamer_move_to_nextsong_real (0);
}
else {
playlist_track->played = 0;
// find already played song with maximum shuffle rating below prev song
int rating = playlist_track->shufflerating;
playItem_t *pmax = NULL; // played maximum
playItem_t *amax = NULL; // absolute maximum
for (playItem_t *i = plt->head[PL_MAIN]; i; i = i->next[PL_MAIN]) {
if (i != playlist_track && i->played && (!amax || i->shufflerating > amax->shufflerating)) {
amax = i;
}
if (i == playlist_track || i->shufflerating > rating || !i->played) {
continue;
}
if (!pmax || i->shufflerating > pmax->shufflerating) {
pmax = i;
}
}
if (pmax && pl_order == PLAYBACK_ORDER_SHUFFLE_ALBUMS) {
while (pmax && pmax->next[PL_MAIN] && pmax->next[PL_MAIN]->played && pmax->shufflerating == pmax->next[PL_MAIN]->shufflerating) {
pmax = pmax->next[PL_MAIN];
}
}
playItem_t *it = pmax;
if (!it) {
// that means 1st in playlist, take amax
if (pl_loop_mode == PLAYBACK_MODE_LOOP_ALL) {
if (!amax) {
plt_reshuffle (streamer_playlist, NULL, &amax);
}
it = amax;
}
}
if (!it) {
pl_unlock ();
streamer_set_nextsong_real (-2, 1);
return -1;
}
int r = str_get_idx_of (it);
pl_unlock ();
streamer_set_nextsong_real (r, 1);
return 0;
}
}
else if (pl_order == PLAYBACK_ORDER_LINEAR) { // linear
playItem_t *it = NULL;
if (!playlist_track) {
int cur = plt_get_cursor (streamer_playlist, PL_MAIN);
if (cur != -1) {
playlist_track = plt_get_item_for_idx (streamer_playlist, cur, PL_MAIN);
pl_item_unref (playlist_track);
}
}
if (playlist_track) {
it = playlist_track->prev[PL_MAIN];
}
if (!it) {
if (pl_loop_mode == PLAYBACK_MODE_LOOP_ALL) {
it = plt->tail[PL_MAIN];
}
}
if (!it) {
pl_unlock ();
streamer_set_nextsong_real (-2, 1);
return -1;
}
int r = str_get_idx_of (it);
pl_unlock ();
streamer_set_nextsong_real (r, 1);
return 0;
}
else if (pl_order == PLAYBACK_ORDER_RANDOM) { // random
pl_unlock ();
int res = streamer_move_to_randomsong_real (0);
if (res == -1) {
streamer_set_nextsong_real (-2, 1);
trace ("streamer_move_to_randomsong error\n");
return -1;
}
return 0;
}
pl_unlock ();
return -1;
}
static int
streamer_move_to_randomsong_real (int reason) {
if (reason) {
plug_get_output ()->stop ();
}
if (!streamer_playlist) {
streamer_playlist = plt_get_curr ();
}
playlist_t *plt = streamer_playlist;
int cnt = plt->count[PL_MAIN];
if (!cnt) {
trace ("empty playlist\n");
return -1;
}
int curr = str_get_idx_of (playing_track);
int r = rand () / (float)RAND_MAX * cnt;
if (r == curr) {
r++;
if (r >= cnt) {
r = 0;
}
}
streamer_set_nextsong_real (r, 1);
return 0;
}
int
streamer_move_to_nextsong (int r) {
if (r) {
streamer_abort_files ();
}
handler_push (handler, STR_EV_NEXT, 0, r, 0);
return 0;
}
int
streamer_move_to_prevsong (int r) {
if (r) {
streamer_abort_files ();
}
handler_push (handler, STR_EV_PREV, 0, r, 0);
return 0;
}
int
streamer_move_to_randomsong (int r) {
if (r) {
streamer_abort_files ();
}
handler_push (handler, STR_EV_RAND, 0, r, 0);
return 0;
}
// playlist must call that whenever item was removed
void
streamer_song_removed_notify (playItem_t *it) {
if (!mutex) {
return; // streamer is not running
}
if (it == playlist_track) {
playlist_track = playlist_track->prev[PL_MAIN];
}
}
#define CTMAP_MAX_PLUGINS 5
typedef struct ctmap_s {
char *ct;
char *plugins[CTMAP_MAX_PLUGINS];
struct ctmap_s *next;
} ctmap_t;
static ctmap_t *streamer_ctmap;
static char conf_network_ctmapping[2048];
static uintptr_t ctmap_mutex;
static void
ctmap_init_mutex (void) {
ctmap_mutex = mutex_create ();
}
static void
ctmap_free_mutex (void) {
if (ctmap_mutex) {
mutex_free (ctmap_mutex);
ctmap_mutex = 0;
}
}
static void
ctmap_lock (void) {
mutex_lock (ctmap_mutex);
}
static void
ctmap_unlock (void) {
mutex_unlock (ctmap_mutex);
}
static void
ctmap_free (void) {
while (streamer_ctmap) {
ctmap_t *ct = streamer_ctmap;
free (ct->ct);
for (int i = 0; ct->plugins[i]; i++) {
free (ct->plugins[i]);
}
streamer_ctmap = ct->next;
free (ct);
}
}
static void
ctmap_init (void) {
ctmap_free ();
char *mapstr = conf_network_ctmapping;
const char *p = mapstr;
char t[MAX_TOKEN];
char ct[MAX_TOKEN];
char plugins[MAX_TOKEN*5];
ctmap_t *tail = NULL;
for (;;) {
p = gettoken (p, t);
if (!p) {
break;
}
ctmap_t *ctmap = malloc (sizeof (ctmap_t));
memset (ctmap, 0, sizeof (ctmap_t));
ctmap->ct = strdup (t);
int n = 0;
p = gettoken (p, t);
if (!p || strcmp (t, "{")) {
free (ctmap->ct);
free (ctmap);
break;
}
plugins[0] = 0;
for (;;) {
p = gettoken (p, t);
if (!p || !strcmp (t, "}") || n >= CTMAP_MAX_PLUGINS-1) {
break;
}
ctmap->plugins[n++] = strdup (t);
}
ctmap->plugins[n] = NULL;
if (tail) {
tail->next = ctmap;
}
tail = ctmap;
if (!streamer_ctmap) {
streamer_ctmap = ctmap;
}
}
}
static int
is_remote_stream (playItem_t *it) {
int remote = 0;
pl_lock ();
const char *uri = pl_find_meta (it, ":URI");
if (uri && !plug_is_local_file (uri)) {
remote = 1;
}
pl_unlock ();
return remote;
}
static DB_fileinfo_t *dec_open (DB_decoder_t *dec, uint32_t hints, playItem_t *it) {
if (dec->plugin.api_vminor >= 7 && dec->open2) {
DB_fileinfo_t *fi = dec->open2 (hints, DB_PLAYITEM (it));
return fi;
}
return dec->open (hints);
}
// that must be called after last sample from str_playing_song was done reading
static int
streamer_set_current (playItem_t *it) {
trace ("streamer_set_current %s\n", playing_track ? pl_find_meta (playing_track, ":URI") : "null");
DB_output_t *output = plug_get_output ();
int err = 0;
int do_songstarted = 0;
playItem_t *from, *to;
// need to add refs here, because streamer_start_playback can destroy items
from = playing_track;
to = it;
if (from) {
pl_item_ref (from);
}
if (to) {
pl_item_ref (to);
}
trace ("\033[0;35mstreamer_set_current from %p to %p\033[37;0m\n", from, it);
trace ("\033[0;35moutput state: %d\033[37;0m\n", output->state ());
if (!playing_track || output->state () == OUTPUT_STATE_STOPPED) {
streamer_buffering = 1;
trace ("\033[0;35mstreamer_start_playback[1] from %p to %p\033[37;0m\n", from, it);
do_songstarted = 1;
streamer_start_playback (from, it);
bytes_until_next_song = -1;
}
trace ("streamer_set_current %p, buns=%d\n", it, bytes_until_next_song);
mutex_lock (currtrack_mutex);
if (streaming_track) {
pl_item_unref (streaming_track);
streaming_track = NULL;
}
mutex_unlock (currtrack_mutex);
int paused_stream = 0;
if (it && nextsong_pstate == 2) {
paused_stream = is_remote_stream (it);
}
if (!it || paused_stream) {
goto success;
}