diff options
Diffstat (limited to 'src/decoder_control.c')
-rw-r--r-- | src/decoder_control.c | 121 |
1 files changed, 62 insertions, 59 deletions
diff --git a/src/decoder_control.c b/src/decoder_control.c index d7f5808fc..10f576c5c 100644 --- a/src/decoder_control.c +++ b/src/decoder_control.c @@ -22,131 +22,134 @@ #include <assert.h> -struct decoder_control dc; - -void dc_init(void) +void +dc_init(struct decoder_control *dc) { - dc.mutex = g_mutex_new(); - dc.cond = g_cond_new(); + dc->thread = NULL; + + dc->mutex = g_mutex_new(); + dc->cond = g_cond_new(); - dc.state = DECODE_STATE_STOP; - dc.command = DECODE_COMMAND_NONE; + dc->state = DECODE_STATE_STOP; + dc->command = DECODE_COMMAND_NONE; } -void dc_deinit(void) +void +dc_deinit(struct decoder_control *dc) { - g_cond_free(dc.cond); - g_mutex_free(dc.mutex); + g_cond_free(dc->cond); + g_mutex_free(dc->mutex); } static void -dc_command_wait_locked(void) +dc_command_wait_locked(struct decoder_control *dc) { - while (dc.command != DECODE_COMMAND_NONE) { - decoder_signal(); - player_wait_decoder(); + while (dc->command != DECODE_COMMAND_NONE) { + decoder_signal(dc); + player_wait_decoder(dc); } } void -dc_command_wait(void) +dc_command_wait(struct decoder_control *dc) { - decoder_lock(); - dc_command_wait_locked(); - decoder_unlock(); + decoder_lock(dc); + dc_command_wait_locked(dc); + decoder_unlock(dc); } static void -dc_command_locked(enum decoder_command cmd) +dc_command_locked(struct decoder_control *dc, enum decoder_command cmd) { - dc.command = cmd; - dc_command_wait_locked(); + dc->command = cmd; + dc_command_wait_locked(dc); } static void -dc_command(enum decoder_command cmd) +dc_command(struct decoder_control *dc, enum decoder_command cmd) { - decoder_lock(); - dc_command_locked(cmd); - decoder_unlock(); + decoder_lock(dc); + dc_command_locked(dc, cmd); + decoder_unlock(dc); } -static void dc_command_async(enum decoder_command cmd) +static void +dc_command_async(struct decoder_control *dc, enum decoder_command cmd) { - decoder_lock(); + decoder_lock(dc); - dc.command = cmd; - decoder_signal(); + dc->command = cmd; + decoder_signal(dc); - decoder_unlock(); + decoder_unlock(dc); } void -dc_start(struct song *song) +dc_start(struct decoder_control *dc, struct song *song) { - assert(dc.pipe != NULL); + assert(dc->pipe != NULL); assert(song != NULL); - dc.next_song = song; - dc_command(DECODE_COMMAND_START); + dc->next_song = song; + dc_command(dc, DECODE_COMMAND_START); } void -dc_start_async(struct song *song) +dc_start_async(struct decoder_control *dc, struct song *song) { - assert(dc.pipe != NULL); + assert(dc->pipe != NULL); assert(song != NULL); - dc.next_song = song; - dc_command_async(DECODE_COMMAND_START); + dc->next_song = song; + dc_command_async(dc, DECODE_COMMAND_START); } void -dc_stop(void) +dc_stop(struct decoder_control *dc) { - decoder_lock(); + decoder_lock(dc); - if (dc.command != DECODE_COMMAND_NONE) + if (dc->command != DECODE_COMMAND_NONE) /* Attempt to cancel the current command. If it's too late and the decoder thread is already executing the old command, we'll call STOP again in this function (see below). */ - dc_command_locked(DECODE_COMMAND_STOP); + dc_command_locked(dc, DECODE_COMMAND_STOP); - if (dc.state != DECODE_STATE_STOP && dc.state != DECODE_STATE_ERROR) - dc_command_locked(DECODE_COMMAND_STOP); + if (dc->state != DECODE_STATE_STOP && dc->state != DECODE_STATE_ERROR) + dc_command_locked(dc, DECODE_COMMAND_STOP); - decoder_unlock(); + decoder_unlock(dc); } bool -dc_seek(double where) +dc_seek(struct decoder_control *dc, double where) { - assert(dc.state != DECODE_STATE_START); + assert(dc->state != DECODE_STATE_START); assert(where >= 0.0); - if (dc.state == DECODE_STATE_STOP || - dc.state == DECODE_STATE_ERROR || !dc.seekable) + if (dc->state == DECODE_STATE_STOP || + dc->state == DECODE_STATE_ERROR || !dc->seekable) return false; - dc.seek_where = where; - dc.seek_error = false; - dc_command(DECODE_COMMAND_SEEK); + dc->seek_where = where; + dc->seek_error = false; + dc_command(dc, DECODE_COMMAND_SEEK); - if (dc.seek_error) + if (dc->seek_error) return false; return true; } void -dc_quit(void) +dc_quit(struct decoder_control *dc) { - assert(dc.thread != NULL); + assert(dc->thread != NULL); - dc.quit = true; - dc_command_async(DECODE_COMMAND_STOP); + dc->quit = true; + dc_command_async(dc, DECODE_COMMAND_STOP); - g_thread_join(dc.thread); - dc.thread = NULL; + g_thread_join(dc->thread); + dc->thread = NULL; } |