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/*
* mpegplayer.c - based on mpeg2dec.c
*
* Copyright (C) 2000-2003 Michel Lespinasse <walken@zoy.org>
* Copyright (C) 1999-2000 Aaron Holtzman <aholtzma@ess.engr.uvic.ca>
*
* This file is part of mpeg2dec, a free MPEG-2 video stream decoder.
* See http://libmpeg2.sourceforge.net/ for updates.
*
* mpeg2dec 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.
*
* mpeg2dec is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "mpeg2dec_config.h"
#include "plugin.h"
#include "mpeg2.h"
#include "video_out.h"
PLUGIN_HEADER
#ifdef USE_IRAM
extern char iramcopy[];
extern char iramstart[];
extern char iramend[];
extern char iedata[];
extern char iend[];
#endif
struct plugin_api* rb;
/* The main buffer storing the compressed video data */
#define BUFFER_SIZE (MEM-6)*1024*1024
static mpeg2dec_t * mpeg2dec;
static int total_offset = 0;
/* button definitions */
#if (CONFIG_KEYPAD == IRIVER_H100_PAD) || (CONFIG_KEYPAD == IRIVER_H300_PAD)
#define MPEG_STOP BUTTON_OFF
#define MPEG_PAUSE BUTTON_ON
#elif (CONFIG_KEYPAD == IPOD_3G_PAD) || (CONFIG_KEYPAD == IPOD_4G_PAD)
#define MPEG_STOP BUTTON_MENU
#define MPEG_PAUSE BUTTON_PLAY
#elif CONFIG_KEYPAD == IAUDIO_X5_PAD
#define MPEG_STOP BUTTON_POWER
#define MPEG_PAUSE BUTTON_PLAY
#elif CONFIG_KEYPAD == GIGABEAT_PAD
#define MPEG_STOP BUTTON_A
#define MPEG_PAUSE BUTTON_SELECT
#elif CONFIG_KEYPAD == IRIVER_H10_PAD
#define MPEG_STOP BUTTON_POWER
#define MPEG_PAUSE BUTTON_PLAY
#else
#error MPEGPLAYER: Unsupported keypad
#endif
static bool button_loop(void)
{
int button = rb->button_get(false);
switch (button)
{
case MPEG_STOP:
return true;
case MPEG_PAUSE:
button = BUTTON_NONE;
#ifdef HAVE_ADJUSTABLE_CPU_FREQ
rb->cpu_boost(false);
#endif
do {
button = rb->button_get(true);
if (button == MPEG_STOP)
return true;
} while (button != MPEG_PAUSE);
#ifdef HAVE_ADJUSTABLE_CPU_FREQ
rb->cpu_boost(true);
#endif
break;
default:
if(rb->default_event_handler(button) == SYS_USB_CONNECTED)
return true;
}
return false;
}
static bool decode_mpeg2 (uint8_t * current, uint8_t * end)
{
const mpeg2_info_t * info;
mpeg2_state_t state;
mpeg2_buffer (mpeg2dec, current, end);
total_offset += end - current;
info = mpeg2_info (mpeg2dec);
while (1) {
if (button_loop())
return true;
state = mpeg2_parse (mpeg2dec);
switch (state) {
case STATE_BUFFER:
return false;
case STATE_SEQUENCE:
vo_setup(info->sequence->width,
info->sequence->height,
info->sequence->chroma_width,
info->sequence->chroma_height);
mpeg2_skip (mpeg2dec, false);
break;
case STATE_PICTURE:
break;
case STATE_SLICE:
case STATE_END:
case STATE_INVALID_END:
/* draw current picture */
if (info->display_fbuf)
vo_draw_frame(info->display_fbuf->buf);
break;
default:
break;
}
rb->yield();
}
}
static void es_loop (int in_file, uint8_t* buffer, size_t buffer_size)
{
uint8_t * end;
if (buffer==NULL)
return;
do {
rb->splash(0,true,"Buffering...");
end = buffer + rb->read (in_file, buffer, buffer_size);
if (decode_mpeg2 (buffer, end))
break;
} while (end == buffer + buffer_size);
}
enum plugin_status plugin_start(struct plugin_api* api, void* parameter)
{
(void)parameter;
void* audiobuf;
int audiosize;
int in_file;
uint8_t* buffer;
size_t buffer_size;
rb = api;
/* This also stops audio playback - so we do it before using IRAM */
audiobuf = rb->plugin_get_audio_buffer(&audiosize);
/* Initialise our malloc buffer */
mpeg2_alloc_init(audiobuf,audiosize);
/* Grab most of the buffer for the compressed video - leave 2MB */
buffer_size = audiosize - 2*1024*1024;
buffer = mpeg2_malloc(buffer_size,0);
if (buffer == NULL)
return PLUGIN_ERROR;
#ifdef USE_IRAM
rb->memcpy(iramstart, iramcopy, iramend-iramstart);
rb->memset(iedata, 0, iend - iedata);
#endif
#ifdef HAVE_LCD_COLOR
rb->lcd_set_foreground(LCD_WHITE);
rb->lcd_set_background(LCD_BLACK);
#endif
rb->lcd_clear_display();
rb->lcd_update();
if (parameter == NULL) {
return PLUGIN_ERROR;
}
in_file = rb->open((char*)parameter,O_RDONLY);
if (in_file < 0) {
//fprintf(stderr,"Could not open %s\n",argv[1]);
return PLUGIN_ERROR;
}
mpeg2dec = mpeg2_init ();
if (mpeg2dec == NULL)
return PLUGIN_ERROR;
/* make sure the backlight is always on when viewing video
(actually it should also set the timeout when plugged in,
but the function backlight_set_timeout_plugged is not
available in plugins) */
#ifdef CONFIG_BACKLIGHT
if (rb->global_settings->backlight_timeout > 0)
rb->backlight_set_timeout(1);
#endif
#ifdef HAVE_ADJUSTABLE_CPU_FREQ
rb->cpu_boost(true);
#endif
es_loop (in_file, buffer, buffer_size);
mpeg2_close (mpeg2dec);
rb->close (in_file);
#ifdef HAVE_ADJUSTABLE_CPU_FREQ
rb->cpu_boost(false);
#endif
#ifdef CONFIG_BACKLIGHT
/* reset backlight settings */
rb->backlight_set_timeout(rb->global_settings->backlight_timeout);
#endif
return PLUGIN_OK;
}
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