/* * mpegplayer.c - based on mpeg2dec.c * * Copyright (C) 2000-2003 Michel Lespinasse * Copyright (C) 1999-2000 Aaron Holtzman * * 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 vo_open_t * output_open = NULL; static vo_instance_t * output; static int total_offset = 0; extern vo_open_t vo_rockbox_open; /* 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 #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); } 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; vo_setup_result_t setup_result; 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: /* might set nb fbuf, convert format, stride */ /* might set fbufs */ if (output->setup (output, info->sequence->width, info->sequence->height, info->sequence->chroma_width, info->sequence->chroma_height, &setup_result)) { //fprintf (stderr, "display setup failed\n"); return false; } if (setup_result.convert && mpeg2_convert (mpeg2dec, setup_result.convert, NULL)) { //fprintf (stderr, "color conversion setup failed\n"); return false; } if (output->set_fbuf) { uint8_t * buf[3]; void * id; mpeg2_custom_fbuf (mpeg2dec, 1); output->set_fbuf (output, buf, &id); mpeg2_set_buf (mpeg2dec, buf, id); output->set_fbuf (output, buf, &id); mpeg2_set_buf (mpeg2dec, buf, id); } else if (output->setup_fbuf) { uint8_t * buf[3]; void * id; output->setup_fbuf (output, buf, &id); mpeg2_set_buf (mpeg2dec, buf, id); output->setup_fbuf (output, buf, &id); mpeg2_set_buf (mpeg2dec, buf, id); output->setup_fbuf (output, buf, &id); mpeg2_set_buf (mpeg2dec, buf, id); } mpeg2_skip (mpeg2dec, (output->draw == NULL)); break; case STATE_PICTURE: /* might skip */ /* might set fbuf */ if (output->set_fbuf) { uint8_t * buf[3]; void * id; output->set_fbuf (output, buf, &id); mpeg2_set_buf (mpeg2dec, buf, id); } if (output->start_fbuf) output->start_fbuf (output, info->current_fbuf->buf, info->current_fbuf->id); break; case STATE_SLICE: case STATE_END: case STATE_INVALID_END: /* draw current picture */ /* might free frame buffer */ if (info->display_fbuf) { if (output->draw) output->draw (output, info->display_fbuf->buf, info->display_fbuf->id); //print_fps (0); } if (output->discard && info->discard_fbuf) output->discard (output, info->discard_fbuf->buf, info->discard_fbuf->id); 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; } output_open = vo_rockbox_open; if (output_open == NULL) { //fprintf (stderr, "output_open is NULL\n"); return PLUGIN_ERROR; } output = output_open (); if (output == NULL) { //fprintf (stderr, "Can not open output\n"); 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; }