New scheduler, with priorities for swcodec platforms. Frequent task

switching should be more efficient and tasks are stored in linked
lists to eliminate unnecessary task switching to improve performance.
Audio should no longer skip on swcodec targets caused by too CPU
hungry UI thread or background threads.


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@10958 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 10 insertions, 18 deletions

diff --git a/firmware/pcm_record.c b/firmware/pcm_record.c
index 68fc22b937..bce6fb5f25 100644
--- a/firmware/pcm_record.c
+++ b/firmware/pcm_record.c
@@ -172,9 +172,9 @@ static void close_wave(void);
 /* Creates pcmrec_thread */
 void pcm_rec_init(void)
 {
-    queue_init(&pcmrec_queue);
+    queue_init(&pcmrec_queue, true);
     create_thread(pcmrec_thread, pcmrec_stack, sizeof(pcmrec_stack),
-        pcmrec_thread_name);
+                  pcmrec_thread_name IF_PRIO(, PRIORITY_RECORDING));
 }
 
 
@@ -196,8 +196,7 @@ void audio_init_recording(unsigned int buffer_offset)
     queue_post(&pcmrec_queue, PCMREC_INIT, 0);
     
     while(!init_done)
-        sleep_thread();
-    wake_up_thread();
+        sleep_thread(1);
 }
 
 void audio_close_recording(void)
@@ -206,8 +205,7 @@ void audio_close_recording(void)
     queue_post(&pcmrec_queue, PCMREC_CLOSE, 0);
     
     while(!close_done)
-        sleep_thread();
-    wake_up_thread();
+        sleep_thread(1);
 
     audio_remove_encoder();
 }
@@ -421,8 +419,7 @@ void audio_record(const char *filename)
     queue_post(&pcmrec_queue, PCMREC_START, 0);
     
     while(!record_done)
-        sleep_thread();
-    wake_up_thread();    
+        sleep_thread(1);
 }
 
 
@@ -438,8 +435,7 @@ void audio_new_file(const char *filename)
     queue_post(&pcmrec_queue, PCMREC_NEW_FILE, 0);
     
     while(!new_file_done)
-        sleep_thread();
-    wake_up_thread();    
+        sleep_thread(1);
     
     logf("pcm_new_file done");
 }
@@ -459,8 +455,7 @@ void audio_stop_recording(void)
     queue_post(&pcmrec_queue, PCMREC_STOP, 0);
 
     while(!stop_done)
-        sleep_thread();
-    wake_up_thread();    
+        sleep_thread(1);
 
     logf("pcm_stop done");
 }
@@ -482,8 +477,7 @@ void audio_pause_recording(void)
     queue_post(&pcmrec_queue, PCMREC_PAUSE, 0);
 
     while(!pause_done)
-        sleep_thread();
-    wake_up_thread();    
+        sleep_thread(1);
 }
 
 void audio_resume_recording(void)
@@ -498,8 +492,7 @@ void audio_resume_recording(void)
     queue_post(&pcmrec_queue, PCMREC_RESUME, 0);
 
     while(!resume_done)
-        sleep_thread();
-    wake_up_thread();    
+        sleep_thread(1);
 }
 
 /* return peaks as int, so convert from short first
@@ -817,9 +810,8 @@ static void pcmrec_stop(void)
         /* wait for encoding finish */
         is_paused = true;
         while(!wav_queue_empty)
-            sleep_thread();
+            sleep_thread(1);
 
-        wake_up_thread();
         is_recording = false;
 
         /* Flush buffers to file */