1 files changed, 246 insertions, 0 deletions

diff --git a/apps/plugins/mpegplayer/mpegplayer.c b/apps/plugins/mpegplayer/mpegplayer.c
new file mode 100644
index 0000000000..ce4199a1d0
--- /dev/null
+++ b/apps/plugins/mpegplayer/mpegplayer.c
@@ -0,0 +1,246 @@
+/*
+ * 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;
+
+#define BUFFER_SIZE 25*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;
+
+static void 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) {
+        state = mpeg2_parse (mpeg2dec);
+
+        switch (state) {
+        case STATE_BUFFER:
+            return;
+        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;
+            }
+            if (setup_result.convert &&
+                mpeg2_convert (mpeg2dec, setup_result.convert, NULL)) {
+                //fprintf (stderr, "color conversion setup failed\n");
+                return;
+            }
+            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)
+{
+    static uint8_t* buffer;
+    uint8_t * end;
+
+    buffer=mpeg2_malloc(BUFFER_SIZE,0);
+
+    if (buffer==NULL)
+        return;
+
+    do {
+        rb->splash(0,true,"Buffering...");
+        end = buffer + rb->read (in_file, buffer, BUFFER_SIZE);
+        decode_mpeg2 (buffer, end);
+    } 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;
+
+    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);
+
+#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);
+
+    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;
+}