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I knew this was going too fast with the new LCD function. Now contains a fix to control the speed to 71 fps, until I release the new A/V player.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@4279 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Jörg Hohensohn 2004-01-27 07:21:29 +00:00
parent c546b70e18
commit c127509524
1 changed files with 27 additions and 8 deletions
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35
apps/plugins/video.c
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@ -7,10 +7,10 @@
* \/ \/ \/ \/ \/
* $Id$
*
* Experimental plugin for halftoning
* Reads raw image data from a file
* Plugin for video playback
* Reads raw image data + audio data from a file
*
* Copyright (C) 2003 Jörg Hohensohn [IDC]Dragon
* Copyright (C) 2003-2004 Jörg Hohensohn aka [IDC]Dragon
*
* All files in this archive are subject to the GNU General Public License.
* See the file COPYING in the source tree root for full license agreement.
@ -20,6 +20,8 @@
*
****************************************************************************/
#include "plugin.h"
#include "sh7034.h"
#include "system.h"
#include "../apps/recorder/widgets.h" /* not in search path, booh */
#ifndef SIMULATOR /* not for simulator by now */
@ -27,9 +29,10 @@
#define SCREENSIZE (LCD_WIDTH*LCD_HEIGHT/8) /* in bytes */
#define FILEBUFSIZE (SCREENSIZE*4) /* must result in a multiple of 512 */
#define FPS 71 /* desired framerate */
#define WIND_MAX 9 /* max FF/FR speed */
#define WIND_MAX 9
#define FRAMETIME (FREQ/8/FPS) /* internal timer4 value */
/* globals */
static struct plugin_api* rb; /* here is a global api struct pointer */
@ -168,9 +171,13 @@ int show_buffer(unsigned char* p_start, int frames)
do
{
/* wait for frame to be due */
while (TCNT4 < FRAMETIME) /* use our timer 4 */
rb->yield(); /* yield to the other treads */
TCNT4 -= FRAMETIME;
rb->lcd_blit(p_current, 0, 0, LCD_WIDTH, LCD_HEIGHT/8, LCD_WIDTH);
rb->yield(); /* yield to the other treads */
shown++;
delta = check_button();
@ -241,8 +248,10 @@ int show_file(unsigned char* p_buffer, int fd)
else
read = 0;
if (read < SCREENSIZE) /* below average? */
rb->yield(); /* time to do something else */
/* wait for frame to be due */
while (TCNT4 < FRAMETIME) /* use our timer 4 */
rb->yield(); /* yield to the other treads */
TCNT4 -= FRAMETIME;
/* display OSD if FF/FR */
if (playstep != 1 && playstep != -1)
@ -322,18 +331,28 @@ int main(char* filename)
if (fd < 0)
return PLUGIN_ERROR;
/* init timer 4, crude code */
IPRD = (IPRD & 0xFF0F); // disable interrupt
and_b(~0x10, &TSTR); // Stop the timer 4
and_b(~0x10, &TSNC); // No synchronization
and_b(~0x10, &TMDR); // Operate normally
TCR4 = 0x03; // no clear at GRA match, sysclock/8
TCNT4 = 0; // start counting at 0
file_size = rb->filesize(fd);
if (file_size <= buffer_size)
{ /* we can read the whole file in advance */
got_now = rb->read(fd, p_buffer, file_size);
rb->close(fd);
frames = got_now / (LCD_WIDTH*LCD_HEIGHT/8);
or_b(0x10, &TSTR); // start timer 4
time = *rb->current_tick;
shown = show_buffer(p_buffer, frames);
time = *rb->current_tick - time;
}
else
{ /* we need to stream */
or_b(0x10, &TSTR); // start timer 4
time = *rb->current_tick;
shown = show_file(p_buffer, fd);
time = *rb->current_tick - time;