Patch #961687 by Eric Lassauge, MP3 playback using libmad in the X11 simulator

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@4849 a1c6a512-1295-4272-9138-f99709370657

firmware/mpeg.c

@@ -38,6 +38,8 @@
 #include "usb.h"
 #include "file.h"
 #include "hwcompat.h"
+#else
+#include "mpegplay.h"
 #endif /* #ifndef SIMULATOR */
 
 extern void bitswap(unsigned char *data, int length);
@@ -2447,6 +2449,9 @@ void mpeg_play(int offset)
                 break;
             continue;
         }
+#ifdef HAVE_MPEG_PLAY
+	real_mpeg_play(trackname);
+#endif
         playlist_next(steps);
         taginfo.offset = offset;
         set_elapsed(&taginfo);

uisimulator/common/mpegplay.c

@@ -21,7 +21,8 @@
  *
  ****************************************************************************/
 
-#ifdef MPEG_PLAY
+#ifdef HAVE_MPEG_PLAY
+#ifdef HAVE_LIBMAD
 
 #include <string.h>
 #include <stdlib.h>
@@ -119,7 +120,7 @@ signed int dither(mad_fixed_t sample, struct dither *dither)
 
 #define INPUT_BUFFER_SIZE  (5*8192)
 #define OUTPUT_BUFFER_SIZE  8192 /* Must be an integer multiple of 4. */
-void mpeg_play(char* fname)
+void real_mpeg_play(char* fname)
 {
     unsigned char InputBuffer[INPUT_BUFFER_SIZE],
         OutputBuffer[OUTPUT_BUFFER_SIZE],
@@ -128,9 +129,9 @@ void mpeg_play(char* fname)
     int Status=0, i, fd;
     unsigned long FrameCount=0;
     sound_t sound;
-    mp3entry mp3;
+    struct mp3entry mp3;
-    register signed int s0, s1;
     static struct dither d0, d1;
+    int key=0;
   
     mp3info(&mp3, fname);
 
@@ -152,9 +153,6 @@ void mpeg_play(char* fname)
     mad_timer_reset(&Timer);
 
     do {
-        if (button_get()) 
-            break; 
-
         if (Stream.buffer==NULL || Stream.error==MAD_ERROR_BUFLEN) {
             size_t ReadSize,Remaining;
             unsigned char *ReadStart;
@@ -170,7 +168,7 @@ void mpeg_play(char* fname)
                     Remaining=0;
             }
 
-            if ((ReadSize=read(fd,ReadStart,ReadSize)) < 0) {
+            if ((int)(ReadSize=read(fd,ReadStart,ReadSize)) < 0) {
                 fprintf(stderr,"end of input stream\n");
                 break;
             }
@@ -229,6 +227,12 @@ void mpeg_play(char* fname)
                 OutputPtr=OutputBuffer;
             }
             }
+
+        if ((key=button_get(0))==BUTTON_STOP)
+	{
+            break; 
+	}
+
     }while(1);
     
     /* Mad is no longer used, the structures that were initialized must
@@ -244,7 +248,7 @@ void mpeg_play(char* fname)
         {
             size_t  BufferSize=OutputPtr-OutputBuffer;
 
-            if(write(sound,OutputBuffer,1,BufferSize)!=BufferSize)
+            if (output_sound(&sound, OutputPtr, BufferSize)!=(int)BufferSize)
                 {
                     fprintf(stderr,"PCM write error\n");
                     Status=2;
@@ -267,4 +271,5 @@ void mpeg_play(char* fname)
 }
 
 
-#endif
+#endif /* HAVE_LIBMAD */
+#endif /* HAVE_MPEG_PLAY */

uisimulator/common/mpegplay.h

@@ -16,8 +16,8 @@
  *
  ****************************************************************************/
 
-#ifdef MPEG_PLAY
+#ifdef HAVE_MPEG_PLAY
 
-void mpeg_play(char* fname);
+void real_mpeg_play(char* fname);
 
-#endif
+#endif /* HAVE_MPEG_PLAY */

uisimulator/x11/Makefile

@@ -101,6 +101,14 @@ else
 endif
 COMMONSRCS = io.c
 
+ifeq ($(HAVE_MPEG_PLAY),1)
+ 	SOUNDSRC = mpegplay.c oss_sound.c
+   	LDFLAGS += $(SOUND_LDFLAGS)
+ 	CFLAGS += $(SOUND_CFLAGS) -DHAVE_MPEG_PLAY
+else
+ 	SOUNDSRC = 
+endif
+
 FIRMSRCS = $(LCDSRSC) id3.c debug.c usb.c mpeg.c mp3_playback.c power.c\
   powermgmt.c panic.c mp3data.c sprintf.c buffer.c timefuncs.c
 
@@ -117,7 +125,7 @@ endif
 
 SRCS = screenhack.c uibasic.c resources.c visual.c lcd-x11.c stubs.c \
        button-x11.c thread.c sim_icons.c $(APPS) $(MENUS) $(FIRMSRCS) \
-       $(COMMONSRCS) lcd-common.c fmradio.c
+       $(COMMONSRCS) $(SOUNDSRC) lcd-common.c fmradio.c
 
 ROCKSRC := $(wildcard $(APPDIR)/plugins/*.c)
 ROCKS := $(ROCKSRC:$(APPDIR)/plugins/%.c=$(OBJDIR)/%.rock)
@@ -321,6 +329,9 @@ $(OBJDIR)/lcd-player.o: $(DRIVERS)/lcd-player.c
 $(OBJDIR)/radio.o: $(RECDIR)/radio.c
 	$(CC) $(APPCFLAGS) -c $< -o $@
 
+$(OBJDIR)/mpegplay.o: $(SIMCOMMON)/mpegplay.c
+	$(CC) $(CFLAGS) -c $< -o $@
+
 # these ones are simulator-specific
 
 $(OBJDIR)/%.o: %.c

uisimulator/x11/oss_sound.c

@@ -21,7 +21,7 @@
 #include <stdio.h>
 #include <fcntl.h>
 
-#include <linux/soundcard.h>
+#include <sys/soundcard.h>
 #include "../common/sound.h"
 
 /* We want to use the "real" open in this file */
@@ -39,7 +39,7 @@ int init_sound(sound_t* sound) {
 }
 
 int config_sound(sound_t* sound, int sound_freq, int channels) {
-  int format=AFMT_U16_LE;
+  int format=AFMT_S16_NE;
   int setting=0x000C000D;  // 12 fragments size 8kb ? WHAT IS THIS?
 
   sound->freq=sound_freq;