aboutsummaryrefslogtreecommitdiffstats
path: root/src/player_thread.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/player_thread.c')
-rw-r--r--src/player_thread.c323
1 files changed, 169 insertions, 154 deletions
diff --git a/src/player_thread.c b/src/player_thread.c
index cce51c1a7..d47c5c851 100644
--- a/src/player_thread.c
+++ b/src/player_thread.c
@@ -1,5 +1,5 @@
/*
- * Copyright (C) 2003-2010 The Music Player Daemon Project
+ * Copyright (C) 2003-2011 The Music Player Daemon Project
* http://www.musicpd.org
*
* This program is free software; you can redistribute it and/or modify
@@ -48,6 +48,8 @@ enum xfade_state {
};
struct player {
+ struct player_control *pc;
+
struct decoder_control *dc;
struct music_pipe *pipe;
@@ -110,26 +112,28 @@ struct player {
* output thread. This attribute is only used if
* audio_output_all_get_elapsed_time() didn't return a usable
* value; the output thread can estimate the elapsed time more
- * precisly.
+ * precisely.
*/
float elapsed_time;
};
static struct music_buffer *player_buffer;
-static void player_command_finished_locked(void)
+static void
+player_command_finished_locked(struct player_control *pc)
{
- assert(pc.command != PLAYER_COMMAND_NONE);
+ assert(pc->command != PLAYER_COMMAND_NONE);
- pc.command = PLAYER_COMMAND_NONE;
+ pc->command = PLAYER_COMMAND_NONE;
g_cond_signal(main_cond);
}
-static void player_command_finished(void)
+static void
+player_command_finished(struct player_control *pc)
{
- player_lock();
- player_command_finished_locked();
- player_unlock();
+ player_lock(pc);
+ player_command_finished_locked(pc);
+ player_unlock(pc);
}
/**
@@ -140,12 +144,13 @@ static void player_command_finished(void)
static void
player_dc_start(struct player *player, struct music_pipe *pipe)
{
+ struct player_control *pc = player->pc;
struct decoder_control *dc = player->dc;
- assert(player->queued || pc.command == PLAYER_COMMAND_SEEK);
- assert(pc.next_song != NULL);
+ assert(player->queued || pc->command == PLAYER_COMMAND_SEEK);
+ assert(pc->next_song != NULL);
- dc_start(dc, pc.next_song, player_buffer, pipe);
+ dc_start(dc, pc->next_song, player_buffer, pipe);
}
/**
@@ -208,41 +213,42 @@ player_dc_stop(struct player *player)
static bool
player_wait_for_decoder(struct player *player)
{
+ struct player_control *pc = player->pc;
struct decoder_control *dc = player->dc;
- assert(player->queued || pc.command == PLAYER_COMMAND_SEEK);
- assert(pc.next_song != NULL);
+ assert(player->queued || pc->command == PLAYER_COMMAND_SEEK);
+ assert(pc->next_song != NULL);
player->queued = false;
if (decoder_lock_has_failed(dc)) {
- player_lock();
- pc.errored_song = dc->song;
- pc.error = PLAYER_ERROR_FILE;
- pc.next_song = NULL;
- player_unlock();
+ player_lock(pc);
+ pc->errored_song = dc->song;
+ pc->error = PLAYER_ERROR_FILE;
+ pc->next_song = NULL;
+ player_unlock(pc);
return false;
}
- player->song = pc.next_song;
+ player->song = pc->next_song;
player->elapsed_time = 0.0;
/* set the "starting" flag, which will be cleared by
player_check_decoder_startup() */
player->decoder_starting = true;
- player_lock();
+ player_lock(pc);
/* update player_control's song information */
- pc.total_time = song_get_duration(pc.next_song);
- pc.bit_rate = 0;
- audio_format_clear(&pc.audio_format);
+ pc->total_time = song_get_duration(pc->next_song);
+ pc->bit_rate = 0;
+ audio_format_clear(&pc->audio_format);
/* clear the queued song */
- pc.next_song = NULL;
+ pc->next_song = NULL;
- player_unlock();
+ player_unlock(pc);
/* call syncPlaylistWithQueue() in the main thread */
event_pipe_emit(PIPE_EVENT_PLAYLIST);
@@ -280,6 +286,7 @@ real_song_duration(const struct song *song, double decoder_duration)
static bool
player_check_decoder_startup(struct player *player)
{
+ struct player_control *pc = player->pc;
struct decoder_control *dc = player->dc;
assert(player->decoder_starting);
@@ -290,10 +297,10 @@ player_check_decoder_startup(struct player *player)
/* the decoder failed */
decoder_unlock(dc);
- player_lock();
- pc.errored_song = dc->song;
- pc.error = PLAYER_ERROR_FILE;
- player_unlock();
+ player_lock(pc);
+ pc->errored_song = dc->song;
+ pc->error = PLAYER_ERROR_FILE;
+ player_unlock(pc);
return false;
} else if (!decoder_is_starting(dc)) {
@@ -302,15 +309,15 @@ player_check_decoder_startup(struct player *player)
decoder_unlock(dc);
if (audio_format_defined(&player->play_audio_format) &&
- !audio_output_all_wait(1))
+ !audio_output_all_wait(pc, 1))
/* the output devices havn't finished playing
all chunks yet - wait for that */
return true;
- player_lock();
- pc.total_time = real_song_duration(dc->song, dc->total_time);
- pc.audio_format = dc->in_audio_format;
- player_unlock();
+ player_lock(pc);
+ pc->total_time = real_song_duration(dc->song, dc->total_time);
+ pc->audio_format = dc->in_audio_format;
+ player_unlock(pc);
player->play_audio_format = dc->out_audio_format;
player->decoder_starting = false;
@@ -323,13 +330,13 @@ player_check_decoder_startup(struct player *player)
"while playing \"%s\"", uri);
g_free(uri);
- player_lock();
- pc.error = PLAYER_ERROR_AUDIO;
+ player_lock(pc);
+ pc->error = PLAYER_ERROR_AUDIO;
/* pause: the user may resume playback as soon
as an audio output becomes available */
- pc.state = PLAYER_STATE_PAUSE;
- player_unlock();
+ pc->state = PLAYER_STATE_PAUSE;
+ player_unlock(pc);
player->paused = true;
return true;
@@ -339,7 +346,7 @@ player_check_decoder_startup(struct player *player)
} else {
/* the decoder is not yet ready; wait
some more */
- player_wait_decoder(dc);
+ player_wait_decoder(pc, dc);
decoder_unlock(dc);
return true;
@@ -393,10 +400,11 @@ player_send_silence(struct player *player)
*/
static bool player_seek_decoder(struct player *player)
{
- struct song *song = pc.next_song;
+ struct player_control *pc = player->pc;
+ struct song *song = pc->next_song;
struct decoder_control *dc = player->dc;
- assert(pc.next_song != NULL);
+ assert(pc->next_song != NULL);
if (decoder_current_song(dc) != song) {
/* the decoder is already decoding the "next" song -
@@ -412,7 +420,7 @@ static bool player_seek_decoder(struct player *player)
player_dc_start(player, player->pipe);
if (!player_wait_for_decoder(player)) {
/* decoder failure */
- player_command_finished();
+ player_command_finished(pc);
return false;
}
} else {
@@ -424,7 +432,7 @@ static bool player_seek_decoder(struct player *player)
player->pipe = dc->pipe;
}
- pc.next_song = NULL;
+ pc->next_song = NULL;
player->queued = false;
}
@@ -433,28 +441,28 @@ static bool player_seek_decoder(struct player *player)
while (player->decoder_starting) {
if (!player_check_decoder_startup(player)) {
/* decoder failure */
- player_command_finished();
+ player_command_finished(pc);
return false;
}
}
/* send the SEEK command */
- double where = pc.seek_where;
- if (where > pc.total_time)
- where = pc.total_time - 0.1;
+ double where = pc->seek_where;
+ if (where > pc->total_time)
+ where = pc->total_time - 0.1;
if (where < 0.0)
where = 0.0;
if (!dc_seek(dc, where + song->start_ms / 1000.0)) {
/* decoder failure */
- player_command_finished();
+ player_command_finished(pc);
return false;
}
player->elapsed_time = where;
- player_command_finished();
+ player_command_finished(pc);
player->xfade = XFADE_UNKNOWN;
@@ -471,9 +479,10 @@ static bool player_seek_decoder(struct player *player)
*/
static void player_process_command(struct player *player)
{
+ struct player_control *pc = player->pc;
G_GNUC_UNUSED struct decoder_control *dc = player->dc;
- switch (pc.command) {
+ switch (pc->command) {
case PLAYER_COMMAND_NONE:
case PLAYER_COMMAND_STOP:
case PLAYER_COMMAND_EXIT:
@@ -481,95 +490,95 @@ static void player_process_command(struct player *player)
break;
case PLAYER_COMMAND_UPDATE_AUDIO:
- player_unlock();
+ player_unlock(pc);
audio_output_all_enable_disable();
- player_lock();
- player_command_finished_locked();
+ player_lock(pc);
+ player_command_finished_locked(pc);
break;
case PLAYER_COMMAND_QUEUE:
- assert(pc.next_song != NULL);
+ assert(pc->next_song != NULL);
assert(!player->queued);
assert(!player_dc_at_next_song(player));
player->queued = true;
- player_command_finished_locked();
+ player_command_finished_locked(pc);
break;
case PLAYER_COMMAND_PAUSE:
- player_unlock();
+ player_unlock(pc);
player->paused = !player->paused;
if (player->paused) {
audio_output_all_pause();
- player_lock();
+ player_lock(pc);
- pc.state = PLAYER_STATE_PAUSE;
+ pc->state = PLAYER_STATE_PAUSE;
} else if (!audio_format_defined(&player->play_audio_format)) {
/* the decoder hasn't provided an audio format
yet - don't open the audio device yet */
- player_lock();
+ player_lock(pc);
- pc.state = PLAYER_STATE_PLAY;
+ pc->state = PLAYER_STATE_PLAY;
} else if (audio_output_all_open(&player->play_audio_format, player_buffer)) {
/* unpaused, continue playing */
- player_lock();
+ player_lock(pc);
- pc.state = PLAYER_STATE_PLAY;
+ pc->state = PLAYER_STATE_PLAY;
} else {
/* the audio device has failed - rollback to
pause mode */
- pc.error = PLAYER_ERROR_AUDIO;
+ pc->error = PLAYER_ERROR_AUDIO;
player->paused = true;
- player_lock();
+ player_lock(pc);
}
- player_command_finished_locked();
+ player_command_finished_locked(pc);
break;
case PLAYER_COMMAND_SEEK:
- player_unlock();
+ player_unlock(pc);
player_seek_decoder(player);
- player_lock();
+ player_lock(pc);
break;
case PLAYER_COMMAND_CANCEL:
- if (pc.next_song == NULL) {
+ if (pc->next_song == NULL) {
/* the cancel request arrived too late, we're
already playing the queued song... stop
everything now */
- pc.command = PLAYER_COMMAND_STOP;
+ pc->command = PLAYER_COMMAND_STOP;
return;
}
if (player_dc_at_next_song(player)) {
/* the decoder is already decoding the song -
stop it and reset the position */
- player_unlock();
+ player_unlock(pc);
player_dc_stop(player);
- player_lock();
+ player_lock(pc);
}
- pc.next_song = NULL;
+ pc->next_song = NULL;
player->queued = false;
- player_command_finished_locked();
+ player_command_finished_locked(pc);
break;
case PLAYER_COMMAND_REFRESH:
if (audio_format_defined(&player->play_audio_format) &&
!player->paused) {
- player_unlock();
+ player_unlock(pc);
audio_output_all_check();
- player_lock();
+ player_lock(pc);
}
- pc.elapsed_time = audio_output_all_get_elapsed_time();
- if (pc.elapsed_time < 0.0)
- pc.elapsed_time = player->elapsed_time;
+ pc->elapsed_time = audio_output_all_get_elapsed_time();
+ if (pc->elapsed_time < 0.0)
+ pc->elapsed_time = player->elapsed_time;
- player_command_finished_locked();
+ player_command_finished_locked(pc);
break;
}
}
@@ -605,7 +614,8 @@ update_song_tag(struct song *song, const struct tag *new_tag)
* Player lock is not held.
*/
static bool
-play_chunk(struct song *song, struct music_chunk *chunk,
+play_chunk(struct player_control *pc,
+ struct song *song, struct music_chunk *chunk,
const struct audio_format *format)
{
assert(music_chunk_check_format(chunk, format));
@@ -618,14 +628,14 @@ play_chunk(struct song *song, struct music_chunk *chunk,
return true;
}
- pc.bit_rate = chunk->bit_rate;
+ pc->bit_rate = chunk->bit_rate;
/* send the chunk to the audio outputs */
if (!audio_output_all_play(chunk))
return false;
- pc.total_play_time += (double)chunk->length /
+ pc->total_play_time += (double)chunk->length /
audio_format_time_to_size(format);
return true;
}
@@ -639,9 +649,10 @@ play_chunk(struct song *song, struct music_chunk *chunk,
static bool
play_next_chunk(struct player *player)
{
+ struct player_control *pc = player->pc;
struct decoder_control *dc = player->dc;
- if (!audio_output_all_wait(64))
+ if (!audio_output_all_wait(pc, 64))
/* the output pipe is still large enough, don't send
another chunk */
return true;
@@ -678,7 +689,7 @@ play_next_chunk(struct player *player)
other_chunk->tag);
other_chunk->tag = NULL;
- if (isnan(pc.mixramp_delay_seconds)) {
+ if (isnan(pc->mixramp_delay_seconds)) {
chunk->mix_ratio = ((float)cross_fade_position)
/ player->cross_fade_chunks;
} else {
@@ -713,7 +724,7 @@ play_next_chunk(struct player *player)
} else {
/* wait for the decoder */
decoder_signal(dc);
- player_wait_decoder(dc);
+ player_wait_decoder(pc, dc);
decoder_unlock(dc);
return true;
@@ -736,19 +747,20 @@ play_next_chunk(struct player *player)
/* play the current chunk */
- if (!play_chunk(player->song, chunk, &player->play_audio_format)) {
+ if (!play_chunk(player->pc, player->song, chunk,
+ &player->play_audio_format)) {
music_buffer_return(player_buffer, chunk);
- player_lock();
+ player_lock(pc);
- pc.error = PLAYER_ERROR_AUDIO;
+ pc->error = PLAYER_ERROR_AUDIO;
/* pause: the user may resume playback as soon as an
audio output becomes available */
- pc.state = PLAYER_STATE_PAUSE;
+ pc->state = PLAYER_STATE_PAUSE;
player->paused = true;
- player_unlock();
+ player_unlock(pc);
return false;
}
@@ -758,7 +770,7 @@ play_next_chunk(struct player *player)
larger block at a time */
decoder_lock(dc);
if (!decoder_is_idle(dc) &&
- music_pipe_size(dc->pipe) <= (pc.buffered_before_play +
+ music_pipe_size(dc->pipe) <= (pc->buffered_before_play +
music_buffer_size(player_buffer) * 3) / 4)
decoder_signal(dc);
decoder_unlock(dc);
@@ -800,9 +812,10 @@ player_song_border(struct player *player)
* basically a state machine, which multiplexes data between the
* decoder thread and the output threads.
*/
-static void do_play(struct decoder_control *dc)
+static void do_play(struct player_control *pc, struct decoder_control *dc)
{
struct player player = {
+ .pc = pc,
.dc = dc,
.buffering = true,
.decoder_starting = false,
@@ -816,42 +829,42 @@ static void do_play(struct decoder_control *dc)
.elapsed_time = 0.0,
};
- player_unlock();
+ player_unlock(pc);
player.pipe = music_pipe_new();
player_dc_start(&player, player.pipe);
if (!player_wait_for_decoder(&player)) {
player_dc_stop(&player);
- player_command_finished();
+ player_command_finished(pc);
music_pipe_free(player.pipe);
event_pipe_emit(PIPE_EVENT_PLAYLIST);
- player_lock();
+ player_lock(pc);
return;
}
- player_lock();
- pc.state = PLAYER_STATE_PLAY;
- player_command_finished_locked();
+ player_lock(pc);
+ pc->state = PLAYER_STATE_PLAY;
+ player_command_finished_locked(pc);
while (true) {
player_process_command(&player);
- if (pc.command == PLAYER_COMMAND_STOP ||
- pc.command == PLAYER_COMMAND_EXIT ||
- pc.command == PLAYER_COMMAND_CLOSE_AUDIO) {
- player_unlock();
+ if (pc->command == PLAYER_COMMAND_STOP ||
+ pc->command == PLAYER_COMMAND_EXIT ||
+ pc->command == PLAYER_COMMAND_CLOSE_AUDIO) {
+ player_unlock(pc);
audio_output_all_cancel();
break;
}
- player_unlock();
+ player_unlock(pc);
if (player.buffering) {
/* buffering at the start of the song - wait
until the buffer is large enough, to
prevent stuttering on slow machines */
- if (music_pipe_size(player.pipe) < pc.buffered_before_play &&
+ if (music_pipe_size(player.pipe) < pc->buffered_before_play &&
!decoder_lock_is_idle(dc)) {
/* not enough decoded buffer space yet */
@@ -863,9 +876,9 @@ static void do_play(struct decoder_control *dc)
decoder_lock(dc);
/* XXX race condition: check decoder again */
- player_wait_decoder(dc);
+ player_wait_decoder(pc, dc);
decoder_unlock(dc);
- player_lock();
+ player_lock(pc);
continue;
} else {
/* buffering is complete */
@@ -889,7 +902,7 @@ static void do_play(struct decoder_control *dc)
!dc_seek(dc, song->start_ms / 1000.0))
player_dc_stop(&player);
- player_lock();
+ player_lock(pc);
continue;
}
@@ -918,9 +931,9 @@ static void do_play(struct decoder_control *dc)
calculate how many chunks will be required
for it */
player.cross_fade_chunks =
- cross_fade_calc(pc.cross_fade_seconds, dc->total_time,
- pc.mixramp_db,
- pc.mixramp_delay_seconds,
+ cross_fade_calc(pc->cross_fade_seconds, dc->total_time,
+ pc->mixramp_db,
+ pc->mixramp_delay_seconds,
dc->replay_gain_db,
dc->replay_gain_prev_db,
dc->mixramp_start,
@@ -928,7 +941,7 @@ static void do_play(struct decoder_control *dc)
&dc->out_audio_format,
&player.play_audio_format,
music_buffer_size(player_buffer) -
- pc.buffered_before_play);
+ pc->buffered_before_play);
if (player.cross_fade_chunks > 0) {
player.xfade = XFADE_ENABLED;
player.cross_fading = false;
@@ -939,10 +952,10 @@ static void do_play(struct decoder_control *dc)
}
if (player.paused) {
- player_lock();
+ player_lock(pc);
- if (pc.command == PLAYER_COMMAND_NONE)
- player_wait();
+ if (pc->command == PLAYER_COMMAND_NONE)
+ player_wait(pc);
continue;
} else if (!music_pipe_empty(player.pipe)) {
/* at least one music chunk is ready - send it
@@ -979,7 +992,7 @@ static void do_play(struct decoder_control *dc)
break;
}
- player_lock();
+ player_lock(pc);
}
player_dc_stop(&player);
@@ -990,113 +1003,115 @@ static void do_play(struct decoder_control *dc)
if (player.cross_fade_tag != NULL)
tag_free(player.cross_fade_tag);
- player_lock();
+ player_lock(pc);
if (player.queued) {
- assert(pc.next_song != NULL);
- pc.next_song = NULL;
+ assert(pc->next_song != NULL);
+ pc->next_song = NULL;
}
- pc.state = PLAYER_STATE_STOP;
+ pc->state = PLAYER_STATE_STOP;
- player_unlock();
+ player_unlock(pc);
event_pipe_emit(PIPE_EVENT_PLAYLIST);
- player_lock();
+ player_lock(pc);
}
-static gpointer player_task(G_GNUC_UNUSED gpointer arg)
+static gpointer
+player_task(gpointer arg)
{
- struct decoder_control dc;
+ struct player_control *pc = arg;
- dc_init(&dc);
- decoder_thread_start(&dc);
+ struct decoder_control *dc = dc_new(pc->cond);
+ decoder_thread_start(dc);
- player_buffer = music_buffer_new(pc.buffer_chunks);
+ player_buffer = music_buffer_new(pc->buffer_chunks);
- player_lock();
+ player_lock(pc);
while (1) {
- switch (pc.command) {
+ switch (pc->command) {
case PLAYER_COMMAND_QUEUE:
- assert(pc.next_song != NULL);
+ assert(pc->next_song != NULL);
- do_play(&dc);
+ do_play(pc, dc);
break;
case PLAYER_COMMAND_STOP:
- player_unlock();
+ player_unlock(pc);
audio_output_all_cancel();
- player_lock();
+ player_lock(pc);
/* fall through */
case PLAYER_COMMAND_SEEK:
case PLAYER_COMMAND_PAUSE:
- pc.next_song = NULL;
- player_command_finished_locked();
+ pc->next_song = NULL;
+ player_command_finished_locked(pc);
break;
case PLAYER_COMMAND_CLOSE_AUDIO:
- player_unlock();
+ player_unlock(pc);
audio_output_all_release();
- player_lock();
- player_command_finished_locked();
+ player_lock(pc);
+ player_command_finished_locked(pc);
#ifndef NDEBUG
/* in the DEBUG build, check for leaked
music_chunk objects by freeing the
music_buffer */
music_buffer_free(player_buffer);
- player_buffer = music_buffer_new(pc.buffer_chunks);
+ player_buffer = music_buffer_new(pc->buffer_chunks);
#endif
break;
case PLAYER_COMMAND_UPDATE_AUDIO:
- player_unlock();
+ player_unlock(pc);
audio_output_all_enable_disable();
- player_lock();
- player_command_finished_locked();
+ player_lock(pc);
+ player_command_finished_locked(pc);
break;
case PLAYER_COMMAND_EXIT:
- player_unlock();
+ player_unlock(pc);
- dc_quit(&dc);
- dc_deinit(&dc);
+ dc_quit(dc);
+ dc_free(dc);
audio_output_all_close();
music_buffer_free(player_buffer);
- player_command_finished();
+ player_command_finished(pc);
return NULL;
case PLAYER_COMMAND_CANCEL:
- pc.next_song = NULL;
- player_command_finished_locked();
+ pc->next_song = NULL;
+ player_command_finished_locked(pc);
break;
case PLAYER_COMMAND_REFRESH:
/* no-op when not playing */
- player_command_finished_locked();
+ player_command_finished_locked(pc);
break;
case PLAYER_COMMAND_NONE:
- player_wait();
+ player_wait(pc);
break;
}
}
}
-void player_create(void)
+void
+player_create(struct player_control *pc)
{
- assert(pc.thread == NULL);
+ assert(pc->thread == NULL);
GError *e = NULL;
- pc.thread = g_thread_create(player_task, NULL, true, &e);
- if (pc.thread == NULL)
+ pc->thread = g_thread_create(player_task, pc, true, &e);
+ if (pc->thread == NULL)
MPD_ERROR("Failed to spawn player task: %s", e->message);
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-03 15:41:41 +0000