MPEGPlyaer: A bit of audio mutation. Remove a useless thread state. Take some control over the buffer away from the audio thread itself. Some atomicity corrections.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@28984 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 4 insertions, 6 deletions

diff --git a/apps/plugins/mpegplayer/pcm_output.h b/apps/plugins/mpegplayer/pcm_output.h
index 9335235daa..1a00ac48e6 100644
--- a/apps/plugins/mpegplayer/pcm_output.h
+++ b/apps/plugins/mpegplayer/pcm_output.h
@@ -23,6 +23,7 @@
 #ifndef PCM_OUTPUT_H
 #define PCM_OUTPUT_H
 
+#define PCM_HDR_SIZE        (sizeof (struct pcm_frame_header))
 struct pcm_frame_header   /* Header added to pcm data every time a decoded
                              audio frame is sent out */
 {
@@ -31,8 +32,6 @@ struct pcm_frame_header   /* Header added to pcm data every time a decoded
     unsigned char data[]; /* open array of audio data */
 } ALIGNED_ATTR(4);
 
-extern int pcm_skipped, pcm_underruns;
-
 bool pcm_output_init(void);
 void pcm_output_exit(void);
 void pcm_output_flush(void);
@@ -42,9 +41,8 @@ uint32_t pcm_output_get_ticks(uint32_t *start);
 void pcm_output_play_pause(bool play);
 void pcm_output_stop(void);
 void pcm_output_drain(void);
-struct pcm_frame_header * pcm_output_get_buffer(void);
-void pcm_output_add_data(void);
-ssize_t pcm_output_used(void);
-ssize_t pcm_output_free(void);
+unsigned char * pcm_output_get_buffer(ssize_t *size);
+bool pcm_output_commit_data(ssize_t size, uint32_t timestamp);
+bool pcm_output_empty(void);
 
 #endif /* PCM_OUTPUT_H */