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rockbox/apps/plugins/mpegplayer/stream_mgr.c
Daniel Stenberg 2acc0ac542 Updated our source code header to explicitly mention that we are GPL v2 or 
later. We still need to hunt down snippets used that are not. 1324 modified
files...
http://www.rockbox.org/mail/archive/rockbox-dev-archive-2008-06/0060.shtml


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17847 a1c6a512-1295-4272-9138-f99709370657
2008-06-28 18:10:04 +00:00

1086 lines
25 KiB
C
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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* AV stream manager implementation
*
* Copyright (c) 2007 Michael Sevakis
*
* 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include "plugin.h"
#include "mpegplayer.h"
#include "grey.h"
#include "mpeg_settings.h"
#ifndef HAVE_LCD_COLOR
GREY_INFO_STRUCT_IRAM
#endif
static struct event_queue stream_mgr_queue SHAREDBSS_ATTR;
static struct queue_sender_list stream_mgr_queue_send SHAREDBSS_ATTR;
static uint32_t stream_mgr_thread_stack[DEFAULT_STACK_SIZE*2/sizeof(uint32_t)];
struct stream_mgr stream_mgr SHAREDBSS_ATTR;
/* Forward decs */
static int stream_on_close(void);
struct str_broadcast_data
{
long cmd; /* Command to send to stream */
intptr_t data; /* Data to send with command */
};
static inline void stream_mgr_lock(void)
{
rb->mutex_lock(&stream_mgr.str_mtx);
}
static inline void stream_mgr_unlock(void)
{
rb->mutex_unlock(&stream_mgr.str_mtx);
}
static inline void actl_lock(void)
{
rb->mutex_lock(&stream_mgr.actl_mtx);
}
static inline void actl_unlock(void)
{
rb->mutex_unlock(&stream_mgr.actl_mtx);
}
static inline void stream_mgr_post_msg(long id, intptr_t data)
{
rb->queue_post(stream_mgr.q, id, data);
}
static inline intptr_t stream_mgr_send_msg(long id, intptr_t data)
{
return rb->queue_send(stream_mgr.q, id, data);
}
static inline void stream_mgr_reply_msg(intptr_t retval)
{
rb->queue_reply(stream_mgr.q, retval);
}
int str_next_data_not_ready(struct stream *str)
{
/* Save the current window since it actually might be ready by the time
* the registration is received by buffering. */
off_t win_right = str->hdr.win_right;
if (str->hdr.win_right < disk_buf.filesize - MIN_BUFAHEAD &&
disk_buf.filesize > MIN_BUFAHEAD)
{
/* Set right edge to where probing left off + the minimum margin */
str->hdr.win_right += MIN_BUFAHEAD;
}
else
{
/* Request would be passed the end of the file */
str->hdr.win_right = disk_buf.filesize;
}
switch (disk_buf_send_msg(DISK_BUF_DATA_NOTIFY, (intptr_t)str))
{
case DISK_BUF_NOTIFY_OK:
/* Was ready - restore window and process */
str->hdr.win_right = win_right;
return STREAM_OK;
case DISK_BUF_NOTIFY_ERROR:
/* Error - quit parsing */
str_end_of_stream(str);
return STREAM_DATA_END;
default:
/* Not ready - go wait for notification from buffering. */
str->pkt_flags = 0;
return STREAM_DATA_NOT_READY;
}
}
void str_data_notify_received(struct stream *str)
{
/* Normalize win_right back to the packet length */
if (str->state == SSTATE_END)
return;
if (str->curr_packet == NULL)
{
/* Nothing was yet parsed since init */
str->hdr.win_right = str->hdr.win_left;
}
else
{
/* Restore window based upon current packet */
str->hdr.win_right = str->hdr.win_left +
(str->curr_packet_end - str->curr_packet);
}
}
/* Set stream manager to a "no-file" state */
static void stream_mgr_init_state(void)
{
stream_mgr.filename = NULL;
stream_mgr.resume_time = INVALID_TIMESTAMP;
stream_mgr.seeked = false;
}
/* Add a stream to the playback pool */
void stream_add_stream(struct stream *str)
{
actl_lock();
list_remove_item(&str->l);
list_add_item(&stream_mgr.strl, &str->l);
actl_unlock();
}
/* Callback for various list-moving operations */
static bool strl_enum_callback(struct list_item *item, intptr_t data)
{
actl_lock();
list_remove_item(item);
if (data == 1)
list_add_item(&stream_mgr.actl, item);
actl_unlock();
return true;
}
/* Clear all streams from active and playback pools */
void stream_remove_streams(void)
{
list_enum_items(&stream_mgr.strl, strl_enum_callback, 0);
}
/* Move the playback pool to the active list */
void move_strl_to_actl(void)
{
list_enum_items(&stream_mgr.strl, strl_enum_callback, 1);
}
/* Remove a stream from the active list and return it to the pool */
static bool actl_stream_remove(struct stream *str)
{
if (list_is_member(&stream_mgr.actl, &str->l))
{
actl_lock();
list_remove_item(&str->l);
list_add_item(&stream_mgr.strl, &str->l);
actl_unlock();
return true;
}
return false;
}
/* Broadcast a message to all active streams */
static bool actl_stream_broadcast_callback(struct list_item *item,
struct str_broadcast_data *sbd)
{
struct stream *str = TYPE_FROM_MEMBER(struct stream, item, l);
switch (sbd->cmd)
{
case STREAM_PLAY:
case STREAM_PAUSE:
break;
case STREAM_STOP:
if (sbd->data != 0)
{
actl_lock();
list_remove_item(item);
list_add_item(&stream_mgr.strl, item);
actl_unlock();
sbd->data = 0;
}
break;
default:
return false;
}
str_send_msg(str, sbd->cmd, sbd->data);
return true;
}
static void actl_stream_broadcast(int cmd, intptr_t data)
{
struct str_broadcast_data sbd;
sbd.cmd = cmd;
sbd.data = data;
list_enum_items(&stream_mgr.actl,
(list_enum_callback_t)actl_stream_broadcast_callback,
(intptr_t)&sbd);
}
/* Set the current base clock */
static void set_stream_clock(uint32_t time)
{
/* Fudge: Start clock 100ms early to allow for some filling time */
if (time > 100*TS_SECOND/1000)
time -= 100*TS_SECOND/1000;
else
time = 0;
pcm_output_set_clock(TS_TO_TICKS(time));
}
static void stream_start_playback(uint32_t time, bool fill_buffer)
{
if (stream_mgr.seeked)
{
/* Clear any seeked status */
stream_mgr.seeked = false;
/* Flush old PCM data */
pcm_output_flush();
/* Set the master clock */
set_stream_clock(time);
/* Make sure streams are back in active pool */
move_strl_to_actl();
/* Prepare the parser and associated streams */
parser_prepare_streaming();
}
/* Start buffer which optional force fill */
disk_buf_send_msg(STREAM_PLAY, fill_buffer);
/* Tell each stream to start - may generate end of stream signals
* now - we'll handle this when finished */
actl_stream_broadcast(STREAM_PLAY, 0);
/* Actually start the clock */
pcm_output_play_pause(true);
}
/* Return the play time relative to the specified play time */
static uint32_t time_from_whence(uint32_t time, int whence)
{
int64_t currtime;
uint32_t start;
switch (whence)
{
case SEEK_SET:
/* Set the current time (time = unsigned offset from 0) */
if (time > str_parser.duration)
time = str_parser.duration;
break;
case SEEK_CUR:
/* Seek forward or backward from the current time
* (time = signed offset from current) */
currtime = stream_get_seek_time(&start);
currtime -= start;
currtime += (int32_t)time;
if (currtime < 0)
currtime = 0;
else if ((uint64_t)currtime > str_parser.duration)
currtime = str_parser.duration;
time = (uint32_t)currtime;
break;
case SEEK_END:
/* Seek from the end (time = unsigned offset from end) */
if (time > str_parser.duration)
time = str_parser.duration;
time = str_parser.duration - time;
break;
}
return time;
}
/* Handle seeking details if playing or paused */
static uint32_t stream_seek_intl(uint32_t time, int whence,
int status, bool *was_buffering)
{
if (status != STREAM_STOPPED)
{
bool wb;
/* Place streams in a non-running state - keep them on actl */
actl_stream_broadcast(STREAM_STOP, 0);
/* Stop all buffering or else risk clobbering random-access data */
wb = disk_buf_send_msg(STREAM_STOP, 0);
if (was_buffering != NULL)
*was_buffering = wb;
}
time = time_from_whence(time, whence);
stream_mgr.seeked = true;
return parser_seek_time(time);
}
/* Store the resume time at the last seek/current clock point */
static void stream_remember_resume_time(void)
{
/* Assume invalidity */
stream_mgr.resume_time = 0;
if (stream_can_seek())
{
/* Read the current stream time or the last seeked position */
uint32_t start;
uint32_t time = stream_get_seek_time(&start);
if (time >= str_parser.start_pts && time <= str_parser.end_pts)
{
/* Save the current stream time */
stream_mgr.resume_time = time - start;
}
}
}
/* 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);
}
/* 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_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();
}
/* 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_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();
if (stream_can_seek())
{
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);
}
/* 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;
}
/* 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();
}
/* Callback for stream to notify about events internal to them */
void stream_generate_event(struct stream *str, long id, intptr_t data)
{
if (str == NULL)
return;
switch (id)
{
case STREAM_EV_COMPLETE:
/* The last stream has ended */
stream_mgr_post_msg(STREAM_EV_COMPLETE, (intptr_t)str);
break;
}
(void)data;
}
/* Clear any particular notification for which a stream registered */
void stream_clear_notify(struct stream *str, int for_msg)
{
switch (for_msg)
{
case DISK_BUF_DATA_NOTIFY:
disk_buf_send_msg(DISK_BUF_CLEAR_DATA_NOTIFY, (intptr_t)str);
break;
}
}
/* Show/hide the video output */
bool stream_show_vo(bool show)
{
bool vis;
stream_mgr_lock();
vis = parser_send_video_msg(VIDEO_DISPLAY_SHOW, show);
#ifndef HAVE_LCD_COLOR
grey_show(show);
#endif
stream_mgr_unlock();
return vis;
}
/* Query the visibility of video output */
bool stream_vo_is_visible(void)
{
bool vis;
stream_mgr_lock();
vis = parser_send_video_msg(VIDEO_DISPLAY_IS_VISIBLE, 0);
stream_mgr_unlock();
return vis;
}
/* 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;
}
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;
}
parser_send_video_msg(VIDEO_SET_CLIP_RECT, (intptr_t)rc);
stream_mgr_unlock();
}
#ifndef HAVE_LCD_COLOR
/* 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();
}
#endif /* !HAVE_LCD_COLOR */
/* 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 = parser_send_video_msg(VIDEO_PRINT_THUMBNAIL,
(intptr_t)&stream_mgr.parms.rc);
stream_mgr_unlock();
return retval;
}
bool stream_draw_frame(bool no_prepare)
{
bool retval;
stream_mgr_lock();
retval = parser_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;
}
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;
}
/* Wait for a state transistion to complete */
void stream_wait_status(void)
{
stream_mgr_lock();
stream_mgr_unlock();
}
/* Returns the smallest file window that includes all active streams'
* windows */
static bool stream_get_window_callback(struct list_item *item,
struct stream_window *sw)
{
struct stream *str = TYPE_FROM_MEMBER(struct stream, item, l);
off_t swl = str->hdr.win_left;
off_t swr = str->hdr.win_right;
if (swl < sw->left)
sw->left = swl;
if (swr > sw->right)
sw->right = swr;
return true;
}
bool stream_get_window(struct stream_window *sw)
{
if (sw == NULL)
return false;
sw->left = LONG_MAX;
sw->right = LONG_MIN;
actl_lock();
list_enum_items(&stream_mgr.actl,
(list_enum_callback_t)stream_get_window_callback,
(intptr_t)sw);
actl_unlock();
return sw->left <= sw->right;
}
/* Playback control thread */
static void stream_mgr_thread(void)
{
struct queue_event ev;
while (1)
{
rb->queue_wait(stream_mgr.q, &ev);
switch (ev.id)
{
case STREAM_OPEN:
stream_on_open((const char *)ev.data);
break;
case STREAM_CLOSE:
stream_on_close();
break;
case STREAM_PLAY:
stream_on_play();
break;
case STREAM_PAUSE:
if (ev.data)
stream_on_resume();
else
stream_on_pause();
break;
case STREAM_STOP:
stream_on_stop(true);
break;
case STREAM_SEEK:
stream_on_seek((struct stream_seek_data *)ev.data);
break;
case STREAM_EV_COMPLETE:
stream_on_ev_complete((struct stream *)ev.data);
break;
case STREAM_QUIT:
if (stream_mgr.status != STREAM_STOPPED)
stream_on_stop(false);
return;
}
}
}
/* Stream command interface APIs */
/* Opens a new file */
int stream_open(const char *filename)
{
if (stream_mgr.thread != NULL)
return stream_mgr_send_msg(STREAM_OPEN, (intptr_t)filename);
return STREAM_ERROR;
}
/* Plays the current file starting at time 'start' */
int stream_play(void)
{
if (stream_mgr.thread != NULL)
return stream_mgr_send_msg(STREAM_PLAY, 0);
return STREAM_ERROR;
}
/* Pauses playback if playing */
int stream_pause(void)
{
if (stream_mgr.thread != NULL)
return stream_mgr_send_msg(STREAM_PAUSE, false);
return STREAM_ERROR;
}
/* Resumes playback if paused */
int stream_resume(void)
{
if (stream_mgr.thread != NULL)
return stream_mgr_send_msg(STREAM_PAUSE, true);
return STREAM_ERROR;
}
/* Stops playback if not stopped */
int stream_stop(void)
{
if (stream_mgr.thread != NULL)
return stream_mgr_send_msg(STREAM_STOP, 0);
return STREAM_ERROR;
}
/* Seeks playback time to/by the specified time */
int stream_seek(uint32_t time, int whence)
{
int ret;
if (stream_mgr.thread == NULL)
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;
}
/* Closes the current file */
int stream_close(void)
{
if (stream_mgr.thread != NULL)
return stream_mgr_send_msg(STREAM_CLOSE, 0);
return STREAM_ERROR;
}
/* Initializes the playback engine */
int stream_init(void)
{
void *mem;
size_t memsize;
stream_mgr.status = STREAM_STOPPED;
stream_mgr_init_state();
list_initialize(&stream_mgr.actl);
/* Initialize our window to the outside world first */
rb->mutex_init(&stream_mgr.str_mtx);
rb->mutex_init(&stream_mgr.actl_mtx);
stream_mgr.q = &stream_mgr_queue;
rb->queue_init(stream_mgr.q, false);
/* sets audiosize and returns buffer pointer */
mem = rb->plugin_get_audio_buffer(&memsize);
/* Initialize non-allocator blocks first */
#ifndef HAVE_LCD_COLOR
long greysize;
/* Greylib init handles all necessary cache alignment */
if (!grey_init(rb, mem, memsize, GREY_BUFFERED|GREY_ON_COP,
LCD_WIDTH, LCD_HEIGHT, &greysize))
{
rb->splash(HZ, "greylib init failed!");
return STREAM_ERROR;
}
mem += greysize;
memsize -= greysize;
grey_clear_display();
#endif /* !HAVE_LCD_COLOR */
stream_mgr.thread = rb->create_thread(stream_mgr_thread,
stream_mgr_thread_stack, sizeof(stream_mgr_thread_stack),
0, "mpgstream_mgr" IF_PRIO(, PRIORITY_SYSTEM) IF_COP(, CPU));
rb->queue_enable_queue_send(stream_mgr.q, &stream_mgr_queue_send,
stream_mgr.thread);
if (stream_mgr.thread == NULL)
{
rb->splash(HZ, "Could not create stream manager thread!");
return STREAM_ERROR;
}
/* Wait for thread to initialize */
stream_mgr_send_msg(STREAM_NULL, 0);
/* Initialise our malloc buffer */
if (!mpeg_alloc_init(mem, memsize))
{
rb->splash(HZ, "Out of memory in stream_init");
}
/* These inits use the allocator */
else if (!pcm_output_init())
{
rb->splash(HZ, "Could not initialize PCM!");
}
else if (!audio_thread_init())
{
rb->splash(HZ, "Cannot create audio thread!");
}
else if (!video_thread_init())
{
rb->splash(HZ, "Cannot create video thread!");
}
/* Disk buffer takes max allotment of what's left so it must be last */
else if (!disk_buf_init())
{
rb->splash(HZ, "Cannot create buffering thread!");
}
else if (!parser_init())
{
rb->splash(HZ, "Parser init failed!");
}
else
{
return STREAM_OK;
}
return STREAM_ERROR;
}
/* Cleans everything up */
void stream_exit(void)
{
stream_close();
/* Stop the threads and wait for them to terminate */
video_thread_exit();
audio_thread_exit();
disk_buf_exit();
pcm_output_exit();
if (stream_mgr.thread != NULL)
{
stream_mgr_post_msg(STREAM_QUIT, 0);
rb->thread_wait(stream_mgr.thread);
stream_mgr.thread = NULL;
}
#ifndef HAVE_LCD_COLOR
grey_release();
#endif
}
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