/* Handle STREAM_PAUSE */
static void stream_on_pause(void)
{
int status = stream_mgr.status;
stream_mgr_lock();
/* Reply with previous state */
stream_mgr_reply_msg(status);
if (status == STREAM_PLAYING)
{
/* Pause the clock */
pcm_output_play_pause(false);
/* Pause each active stream */
actl_stream_broadcast(STREAM_PAUSE, 0);
/* Pause the disk buffer - buffer may continue filling */
disk_buf_send_msg(STREAM_PAUSE, false);
/* Unboost the CPU */
cancel_cpu_boost();
/* Offically paused */
stream_mgr.status = STREAM_PAUSED;
}
stream_mgr_unlock();
}
uint32_t stream_get_seek_time(uint32_t *start)
{
uint32_t time;
stream_mgr_lock();
if (stream_mgr.seeked)
{
time = str_parser.last_seek_time;
}
else
{
time = TICKS_TO_TS(pcm_output_get_clock());
/* Clock can be start early so keep in range */
if (time < str_parser.start_pts)
time = str_parser.start_pts;
}
if (start != NULL)
*start = str_parser.start_pts;
stream_mgr_unlock();
return time;
}
/* Handle STREAM_CLOSE */
static int stream_on_close(void)
{
int status = STREAM_STOPPED;
stream_mgr_lock();
/* Any open file that was accepted for playback? */
if (stream_mgr.filename != NULL)
{
/* Yes - hide video */
stream_show_vo(false);
/* Stop any playback */
status = stream_mgr.status;
stream_on_stop(false);
/* Tell parser file is finished */
parser_close_stream();
/* Reinitialize manager */
stream_mgr_init_state();
}
/* Let disk buffer reset itself - file might be open even if no good */
disk_buf_close();
stream_mgr_unlock();
return status;
}
/* Handle STREAM_OPEN */
void stream_on_open(const char *filename)
{
int err = STREAM_ERROR;
stream_mgr_lock();
trigger_cpu_boost();
/* Open the video file */
if (disk_buf_open(filename) >= 0)
{
/* Initialize the parser */
err = parser_init_stream();
if (err >= STREAM_OK)
{
/* File ok - save the opened filename */
stream_mgr.filename = filename;
}
}
/* If error - cleanup */
if (err < STREAM_OK)
stream_on_close();
cancel_cpu_boost();
stream_mgr_unlock();
stream_mgr_reply_msg(err);
}
/* Handle STREAM_CLOSE */
static int stream_on_close(void)
{
int status = STREAM_STOPPED;
stream_mgr_lock();
/* Any open file? */
if (stream_mgr.filename != NULL)
{
/* Yes - hide video */
stream_show_vo(false);
/* Stop any playback */
status = stream_mgr.status;
stream_on_stop(false);
/* Tell parser file is finished */
parser_close_stream();
/* Close file */
disk_buf_close();
/* Reinitialize manager */
stream_mgr_init_state();
}
stream_mgr_unlock();
return status;
}
/* Query the visibility of video output */
bool stream_vo_is_visible(void)
{
bool vis;
stream_mgr_lock();
vis = send_video_msg(VIDEO_DISPLAY_IS_VISIBLE, 0);
stream_mgr_unlock();
return vis;
}
/* Show/hide the gray video overlay (independently of vo visibility). */
void stream_gray_show(bool show)
{
stream_mgr_lock();
grey_show(show);
stream_mgr_unlock();
}
bool stream_draw_frame(bool no_prepare)
{
bool retval;
stream_mgr_lock();
retval = send_video_msg(VIDEO_PRINT_FRAME, no_prepare);
stream_mgr_unlock();
return retval;
}
/* Return the time playback should resume if interrupted */
uint32_t stream_get_resume_time(void)
{
uint32_t resume_time;
/* A stop request is async and replies before setting this - must lock */
stream_mgr_lock();
resume_time = stream_mgr.resume_time;
stream_mgr_unlock();
return resume_time;
}
/* Show/hide the video output */
bool stream_show_vo(bool show)
{
bool vis;
stream_mgr_lock();
vis = send_video_msg(VIDEO_DISPLAY_SHOW, show);
#ifndef HAVE_LCD_COLOR
grey_show(show);
#endif
stream_mgr_unlock();
return vis;
}
void stream_vo_set_clip(const struct vo_rect *rc)
{
stream_mgr_lock();
if (rc)
{
stream_mgr.parms.rc = *rc;
rc = &stream_mgr.parms.rc;
}
send_video_msg(VIDEO_SET_CLIP_RECT, (intptr_t)rc);
stream_mgr_unlock();
}
/* Handle STREAM_SEEK */
static void stream_on_seek(struct stream_seek_data *skd)
{
uint32_t time = skd->time;
int whence = skd->whence;
switch (whence)
{
case SEEK_SET:
case SEEK_CUR:
case SEEK_END:
if (stream_mgr.filename == NULL)
break;
/* Keep things spinning if already doing so */
stream_keep_disk_active();
/* Have data - reply in order to acquire lock */
stream_mgr_reply_msg(STREAM_OK);
stream_mgr_lock();
/* Either seeking must be possible or a full rewind must be done */
if (stream_can_seek() || time_from_whence(time, whence) == 0)
{
bool buffer;
if (stream_mgr.status == STREAM_PLAYING)
{
/* Keep clock from advancing while seeking */
pcm_output_play_pause(false);
}
time = stream_seek_intl(time, whence, stream_mgr.status, &buffer);
stream_remember_resume_time();
if (stream_mgr.status == STREAM_PLAYING)
{
/* Sync and restart - no force buffering */
stream_start_playback(time, buffer);
}
}
stream_mgr_unlock();
return;
}
/* Invalid parameter or no file */
stream_mgr_reply_msg(STREAM_ERROR);
}
bool stream_set_callback(long id, void *fn)
{
bool retval = false;
stream_mgr_lock();
switch (id)
{
case VIDEO_SET_POST_FRAME_CALLBACK:
retval = send_video_msg(id, (intptr_t)fn);
}
stream_mgr_unlock();
return retval;
}
/* Return the video dimensions */
bool stream_vo_get_size(struct vo_ext *sz)
{
bool retval = false;
stream_mgr_lock();
if (str_parser.dims.w > 0 && str_parser.dims.h > 0)
{
*sz = str_parser.dims;
retval = true;
}
stream_mgr_unlock();
return retval;
}
/* Display a thumbnail at the last seek point */
bool stream_display_thumb(const struct vo_rect *rc)
{
bool retval;
if (rc == NULL)
return false;
stream_mgr_lock();
stream_mgr.parms.rc = *rc;
retval = send_video_msg(VIDEO_PRINT_THUMBNAIL,
(intptr_t)&stream_mgr.parms.rc);
stream_mgr_unlock();
return retval;
}
bool stream_vo_get_clip(struct vo_rect *rc)
{
bool retval;
if (!rc)
return false;
stream_mgr_lock();
retval = send_video_msg(VIDEO_GET_CLIP_RECT,
(intptr_t)&stream_mgr.parms.rc);
*rc = stream_mgr.parms.rc;
stream_mgr_unlock();
return retval;
}
/* Seeks playback time to/by the specified time */
int stream_seek(uint32_t time, int whence)
{
int ret;
if (stream_mgr.thread == 0)
return STREAM_ERROR;
stream_mgr_lock();
stream_mgr.parms.skd.time = time;
stream_mgr.parms.skd.whence = whence;
ret = stream_mgr_send_msg(STREAM_SEEK, (intptr_t)&stream_mgr.parms.skd);
stream_mgr_unlock();
return ret;
}
/* Handler STREAM_PLAY */
static void stream_on_play(void)
{
int status = stream_mgr.status;
stream_mgr_lock();
if (status == STREAM_STOPPED)
{
uint32_t start;
/* We just say we're playing now */
stream_mgr.status = STREAM_PLAYING;
/* Reply with previous state */
stream_mgr_reply_msg(status);
trigger_cpu_boost();
/* Seek to initial position and set clock to that time */
/* Save the resume time */
stream_remember_resume_time();
/* Prepare seek to start point */
start = stream_seek_intl(stream_mgr.resume_time, SEEK_SET,
STREAM_STOPPED, NULL);
/* Sync and start - force buffer fill */
stream_start_playback(start, true);
}
else
{
/* Reply with previous state */
stream_mgr_reply_msg(status);
}
stream_mgr_unlock();
}
/* Handle STREAM_RESUME */
static void stream_on_resume(void)
{
int status = stream_mgr.status;
stream_mgr_lock();
/* Reply with previous state */
stream_mgr_reply_msg(status);
if (status == STREAM_PAUSED)
{
/* Boost the CPU */
trigger_cpu_boost();
/* Sync and start - no force buffering */
stream_start_playback(str_parser.last_seek_time, false);
/* Officially playing */
stream_mgr.status = STREAM_PLAYING;
}
stream_mgr_unlock();
}
/* Handle STREAM_STOP */
static void stream_on_stop(bool reply)
{
int status = stream_mgr.status;
stream_mgr_lock();
if (reply)
stream_mgr_reply_msg(status);
if (status != STREAM_STOPPED)
{
/* Pause the clock */
pcm_output_play_pause(false);
/* Update the resume time info */
stream_remember_resume_time();
/* Not stopped = paused or playing */
stream_mgr.seeked = false;
/* Stop buffering */
disk_buf_send_msg(STREAM_STOP, 0);
/* Clear any still-active streams and remove from actl */
actl_stream_broadcast(STREAM_STOP, 1);
/* Stop PCM output (and clock) */
pcm_output_stop();
/* Cancel our processor boost */
cancel_cpu_boost();
stream_mgr.status = STREAM_STOPPED;
}
stream_mgr_unlock();
}
/* Handle STREAM_EV_COMPLETE */
static void stream_on_ev_complete(struct stream *str)
{
stream_mgr_lock();
/* Stream is active? */
if (actl_stream_remove(str))
{
/* No - remove this stream from the active list */
DEBUGF(" finished: 0x%02x\n", str->id);
if (list_is_empty(stream_mgr.actl))
{
/* All streams have acked - stop playback */
stream_on_stop(false);
stream_mgr.resume_time = 0; /* Played to end - no resume */
}
else
{
/* Stream is done - stop it and place back in pool */
str_send_msg(str, STREAM_STOP, 1);
}
}
stream_mgr_unlock();
}
/* Wait for a state transistion to complete */
void stream_wait_status(void)
{
stream_mgr_lock();
stream_mgr_unlock();
}