audio visualization post plugins now use a private metronom to sync their video

CVS patchset: 5743
CVS date: 2003/11/16 12:18:59

1 files changed, 31 insertions, 18 deletions

diff --git a/src/post/visualizations/fftgraph.c b/src/post/visualizations/fftgraph.c
index 3d3089642..11cd0c180 100644
--- a/src/post/visualizations/fftgraph.c
+++ b/src/post/visualizations/fftgraph.c
@@ -20,7 +20,7 @@
  * FftGraph Visualization Post Plugin For xine
  *   by Thibaut Mattern (tmattern@noos.fr)
  *
- * $Id: fftgraph.c,v 1.4 2003/11/11 18:44:59 f1rmb Exp $
+ * $Id: fftgraph.c,v 1.5 2003/11/16 12:18:59 mroi Exp $
  *
  */
 
@@ -48,6 +48,14 @@
 
 typedef struct post_plugin_fftgraph_s post_plugin_fftgraph_t;
 
+typedef struct post_class_fftgraph_s post_class_fftgraph_t;
+
+struct post_class_fftgraph_s {
+  post_class_t        post_class;
+
+  xine_t             *xine;
+};
+
 struct post_plugin_fftgraph_s {
   post_plugin_t post;
 
@@ -55,6 +63,9 @@ struct post_plugin_fftgraph_s {
   xine_video_port_t *vo_port;
   xine_stream_t     *stream;
 
+  /* private metronom for syncing the video */
+  metronom_t        *metronom;
+  
   double ratio;
 
   int data_idx;
@@ -262,6 +273,8 @@ static int fftgraph_port_open(xine_audio_port_t *port_gen, xine_stream_t *stream
   this->stream = stream;
   this->data_idx = 0;
 
+  this->metronom->set_master(this->metronom, stream->metronom);
+
   this->fft = fft_new(FFT_BITS);
 
   this->cur_line = 0;
@@ -323,6 +336,8 @@ static void fftgraph_port_close(xine_audio_port_t *port_gen, xine_stream_t *stre
   fft_dispose(this->fft);
   this->fft = NULL;
 
+  this->metronom->set_master(this->metronom, NULL);
+ 
   port->original_port->close(port->original_port, stream );
 }
 
@@ -336,7 +351,6 @@ static void fftgraph_port_put_buffer (xine_audio_port_t *port_gen,
   int8_t *data8;
   int samples_used = 0;
   int64_t pts = buf->vpts;
-  int64_t vpts = 0;
   int i, c;
 
   /* make a copy of buf data for private use */
@@ -397,17 +411,9 @@ static void fftgraph_port_put_buffer (xine_audio_port_t *port_gen,
       frame->extra_info->invalid = 1;
       frame->bad_frame = 0;
       frame->duration = 90000 * this->samples_per_frame / this->sample_rate;
-      if (!vpts) {
-        vpts = this->stream->metronom->audio_vpts;
-        frame->pts = pts;
-        frame->vpts = vpts;
-        pts = 0;
-        vpts += frame->duration;
-      } else {
-        frame->pts = 0;
-        frame->vpts = vpts;
-        vpts += frame->duration;
-      }
+      frame->pts = pts;
+      this->metronom->got_video_frame(this->metronom, frame);
+      
       this->sample_counter -= this->samples_per_frame;
 
       draw_fftgraph(this, frame);
@@ -424,6 +430,8 @@ static void fftgraph_dispose(post_plugin_t *this_gen)
   xine_post_out_t *output = (xine_post_out_t *)xine_list_last_content(this_gen->output);
   xine_video_port_t *port = *(xine_video_port_t **)output->data;
 
+  this->metronom->exit(this->metronom);
+
   if (this->stream)
     port->close(port, this->stream);
 
@@ -443,6 +451,7 @@ static post_plugin_t *fftgraph_open_plugin(post_class_t *class_gen, int inputs,
 					 xine_audio_port_t **audio_target,
 					 xine_video_port_t **video_target)
 {
+  post_class_fftgraph_t *class = (post_class_fftgraph_t *)class_gen;
   post_plugin_fftgraph_t *this    = (post_plugin_fftgraph_t *)malloc(sizeof(post_plugin_fftgraph_t));
   xine_post_in_t         *input   = (xine_post_in_t *)malloc(sizeof(xine_post_in_t));
   post_fftgraph_out_t    *output  = (post_fftgraph_out_t *)malloc(sizeof(post_fftgraph_out_t));
@@ -458,6 +467,8 @@ static post_plugin_t *fftgraph_open_plugin(post_class_t *class_gen, int inputs,
     return NULL;
   }
 
+  this->metronom = _x_metronom_init(0, class->xine);
+
   this->sample_counter = 0;
   this->stream  = NULL;
   this->vo_port = video_target[0];
@@ -521,15 +532,17 @@ static void fftgraph_class_dispose(post_class_t *class_gen)
 /* plugin class initialization function */
 void *fftgraph_init_plugin(xine_t *xine, void *data)
 {
-  post_class_t *class = (post_class_t *)malloc(sizeof(post_class_t));
+  post_class_fftgraph_t *class = (post_class_fftgraph_t *)malloc(sizeof(post_class_fftgraph_t));
   
   if (!class)
     return NULL;
   
-  class->open_plugin     = fftgraph_open_plugin;
-  class->get_identifier  = fftgraph_get_identifier;
-  class->get_description = fftgraph_get_description;
-  class->dispose         = fftgraph_class_dispose;
+  class->post_class.open_plugin     = fftgraph_open_plugin;
+  class->post_class.get_identifier  = fftgraph_get_identifier;
+  class->post_class.get_description = fftgraph_get_description;
+  class->post_class.dispose         = fftgraph_class_dispose;
+  
+  class->xine                       = xine;
   
   return class;
 }