Changeset 6127 in orxonox.OLD for branches/avi_play/src/lib

Timestamp:

Dec 15, 2005, 11:54:48 PM (19 years ago)

Author:

hdavid

Message:

branches/avi_play: MediaContainer::getFPS() works

Location:

branches/avi_play/src/lib/graphics/importer

Files:

• media_container.cc (modified) (8 diffs)
• media_container.h (modified) (2 diffs)

branches/avi_play/src/lib/graphics/importer/media_container.cc

@@ -40 +40 @@
   av_register_all();
 
-  current_frame = 0;
+  fps = 0;
 
   if (filename != NULL)
@@ -89 +89 @@
       if(frame_finished)
       {
-        current_frame++;
-        PRINTF(1)("current_frame: %i\n", current_frame);
-
-                    // Convert the image from its native format to RGB
+        PRINTF(1)("frame_number: %i\n", codec_context->frame_number);
+
+        // Convert the image from its native format to RGB
         img_convert((AVPicture*)RGB_frame, PIX_FMT_RGB24, (AVPicture*)frame, codec_context->pix_fmt,
                                         codec_context->width, codec_context->height);
@@ -145 +144 @@
 
   // Open file
-  sprintf(filename, "frame%i.ppm", current_frame);
+  sprintf(filename, "frame%i.ppm", codec_context->frame_number);
   file = fopen(filename, "wb");
   if(file == NULL)
@@ -215 +214 @@
   avpicture_fill((AVPicture *)RGB_frame, buffer, PIX_FMT_RGB24, codec_context->width, codec_context->height);
 
+  // Calculate fps
+  fps = av_q2d(format_context->streams[video_stream]->r_frame_rate);
 }
 
@@ -227 +228 @@
 }
 
-int MediaContainer::getCurrentFrame()
-{
-  return this->current_frame;
-}
-
-int MediaContainer::getFrameRate()
-{
-
-}
-
-void MediaContainer::getStream(/* stream */)
-{
-
+int MediaContainer::getFrameNumber()
+{
+  return codec_context->frame_number;
+}
+
+double MediaContainer::getFPS()
+{
+  return this->fps;
 }
 
@@ -258 +254 @@
   PRINTF(1)("nb_frames: %i\n", format_context->streams[video_stream]->nb_frames);
   PRINTF(1)("r_frame_rate: %i\n", format_context->streams[video_stream]->r_frame_rate.num);
+  PRINTF(1)("FPS: %f\n", av_q2d(format_context->streams[video_stream]->r_frame_rate));
   PRINTF(1)("========================\n");
   PRINTF(1)("=    AVCodecContext    =\n");
@@ -263 +260 @@
   PRINTF(1)("width: %i\n", codec_context->width);
   PRINTF(1)("height: %i\n", codec_context->height);
+  PRINTF(1)("time_base.den: %i\n", codec_context->time_base.den);
+  PRINTF(1)("time_base.num: %i\n", codec_context->time_base.num);
   PRINTF(1)("========================\n");
   PRINTF(1)("=       AVCodec        =\n");
@@ -286 +285 @@
   PRINTF(1)("========================\n");
 }
+
+
+//pts = av_q2d(is->video_st->time_base)*pkt->dts;
+//pkt = packet
+//avstrream = viedo_st
+//pts = double

branches/avi_play/src/lib/graphics/importer/media_container.h

@@ -29 +29 @@
 private:
 
-  int current_frame;
-  int num_frames;
+  double fps;
   GLuint texture;
   uint8_t* data;
@@ -57 +56 @@
   int getHeight();
   int getWidth();
-  int getCurrentFrame();
-  int getFrameRate();
-  void getStream(/* stream */);
+  int getFrameNumber();
+  double getFPS();
 
   /* prints some information about the