Merge pull request #170 from Crow-bar/upd-mp3

mp3: new API definitions
pspdev · Feb 4, 2024 · cf7fc72 · cf7fc72
2 parents 1a5045f + b1b14aa
commit cf7fc72
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Showing 4 changed files with 82 additions and 19 deletions.
diff --git a/src/mp3/Makefile.am b/src/mp3/Makefile.am
@@ -10,7 +10,10 @@ CPPFLAGS = -I$(top_srcdir)/src/base -I$(top_srcdir)/src/kernel
 CFLAGS = @PSPSDK_CFLAGS@
 CCASFLAGS = $(CFLAGS)
 
-MP3_OBJS = sceMp3_0000.o sceMp3_0001.o sceMp3_0002.o sceMp3_0003.o sceMp3_0004.o sceMp3_0005.o sceMp3_0006.o sceMp3_0007.o sceMp3_0008.o sceMp3_0009.o sceMp3_0010.o sceMp3_0011.o sceMp3_0012.o sceMp3_0013.o sceMp3_0014.o sceMp3_0015.o sceMp3_0016.o sceMp3_0017.o sceMp3_0018.o sceMp3_0019.o
+MP3_OBJS = sceMp3_0000.o sceMp3_0001.o sceMp3_0002.o sceMp3_0003.o sceMp3_0004.o sceMp3_0005.o sceMp3_0006.o \
+           sceMp3_0007.o sceMp3_0008.o sceMp3_0009.o sceMp3_0010.o sceMp3_0011.o sceMp3_0012.o sceMp3_0013.o \
+           sceMp3_0014.o sceMp3_0015.o sceMp3_0016.o sceMp3_0017.o sceMp3_0018.o sceMp3_0019.o sceMp3_0020.o \
+           sceMp3_0021.o sceMp3_0022.o sceMp3_0023.o sceMp3_0024.o
 
 libpspmp3includedir = @PSPSDK_INCLUDEDIR@
 libpspmp3include_HEADERS = pspmp3.h

diff --git a/src/mp3/pspmp3.h b/src/mp3/pspmp3.h
@@ -21,19 +21,15 @@ extern "C" {
 
 typedef struct SceMp3InitArg {
 	/** Stream start position */
-	SceUInt32	mp3StreamStart;
-	/** Unknown - set to 0 */
-	SceUInt32	unk1;
+	SceOff		mp3StreamStart;
 	/** Stream end position */
-	SceUInt32	mp3StreamEnd;
-	/** Unknown - set to 0 */
-	SceUInt32	unk2;
+	SceOff		mp3StreamEnd;
 	/** Pointer to a buffer to contain raw mp3 stream data (+1472 bytes workspace) */
-	SceVoid*	mp3Buf;
+	SceUChar8*	mp3Buf;
 	/** Size of mp3Buf buffer (must be >= 8192) */
 	SceInt32	mp3BufSize;
 	/** Pointer to decoded pcm samples buffer */
-	SceVoid*	pcmBuf;
+	SceUChar8*	pcmBuf;
 	/** Size of pcmBuf buffer (must be >= 9216) */
 	SceInt32	pcmBufSize;
 } SceMp3InitArg;
@@ -135,7 +131,7 @@ SceInt32 sceMp3SetLoopNum(SceInt32 handle, SceInt32 loop);
  *
  * @param handle - sceMp3 handle
  *
- * @return Number of loops
+ * @return Number of loops, < 0 on error.
  */
 SceInt32 sceMp3GetLoopNum(SceInt32 handle);
 
@@ -144,7 +140,7 @@ SceInt32 sceMp3GetLoopNum(SceInt32 handle);
  *
  * @param handle - sceMp3 handle
  *
- * @return Number of decoded samples
+ * @return Number of decoded samples, < 0 on error.
  */
 SceInt32 sceMp3GetSumDecodedSample(SceInt32 handle);
 
@@ -153,7 +149,7 @@ SceInt32 sceMp3GetSumDecodedSample(SceInt32 handle);
  *
  * @param handle - sceMp3 handle
  *
- * @return Number of max samples to output
+ * @return Number of max samples to output, < 0 on error.
  */
 SceInt32 sceMp3GetMaxOutputSample(SceInt32 handle);
 
@@ -162,7 +158,7 @@ SceInt32 sceMp3GetMaxOutputSample(SceInt32 handle);
  *
  * @param handle - sceMp3 handle
  *
- * @return Sampling rate of the mp3
+ * @return Sampling rate of the mp3, < 0 on error.
  */
 SceInt32 sceMp3GetSamplingRate(SceInt32 handle);
 
@@ -171,7 +167,7 @@ SceInt32 sceMp3GetSamplingRate(SceInt32 handle);
  *
  * @param handle - sceMp3 handle
  *
- * @return Bitrate of the mp3
+ * @return Bitrate of the mp3, < 0 on error.
  */
 SceInt32 sceMp3GetBitRate(SceInt32 handle);
 
@@ -180,7 +176,7 @@ SceInt32 sceMp3GetBitRate(SceInt32 handle);
  *
  * @param handle - sceMp3 handle
  *
- * @return Number of channels of the mp3
+ * @return Number of channels of the mp3, < 0 on error.
  */
 SceInt32 sceMp3GetMp3ChannelNum(SceInt32 handle);
 
@@ -189,9 +185,60 @@ SceInt32 sceMp3GetMp3ChannelNum(SceInt32 handle);
  *
  * @param handle - sceMp3 handle
  *
- * @return < 0 on error
+ * @return 0 if success, < 0 on error.
+ */
+SceInt32 sceMp3ResetPlayPosition(SceInt32 handle);
+
+/**
+ * sceMp3GetFrameNum
+ *
+ * @param handle - sceMp3 handle
+ *
+ * @return Number of audio frames, < 0 on error
+ */
+SceInt32 sceMp3GetFrameNum(SceInt32 handle);
+
+/**
+ * sceMp3ResetPlayPositionByFrame
+ *
+ * @param handle - sceMp3 handle
+ * @param frame - frame
+ *
+ * @return 0 if success, < 0 on error.
+ */
+SceInt32 sceMp3ResetPlayPositionByFrame(SceInt32 handle, SceUInt32 frame);
+
+/**
+ * sceMp3GetMPEGVersion
+ *
+ * @param handle - sceMp3 handle
+ *
+ * @return MPEG Version, < 0 on error
+ */
+SceInt32 sceMp3GetMPEGVersion(SceInt32 handle);
+
+/**
+ * sceMp3LowLevelInit
+ *
+ * @param handle - sceMp3 handle
+ * @param src - Pointer to a buffer to contain raw mp3 stream data
+ *
+ * @return 0 if success, < 0 on error.
+ */
+SceInt32 sceMp3LowLevelInit(SceInt32 handle, SceUChar8* src);
+
+/**
+ * sceMp3LowLevelDecode
+ *
+ * @param handle - sceMp3 handle
+ * @param mp3src - Pointer to a buffer to contain raw mp3 stream data
+ * @param mp3srcused - mp3 data size consumed by decoding
+ * @param pcmdst - Pointer to destination pcm samples buffer
+ * @param pcmdstoutsz - Size of pcm data output by decoding
+ *
+ * @return 0 if success, < 0 on error.
  */
-SceInt32 sceMp3ResetPlayPosition(SceInt32 handle); 
+SceInt32 sceMp3LowLevelDecode(SceInt32 handle, SceUChar8* mp3src, SceUInt32* mp3srcused, SceShort16* pcmdst, SceUInt32* pcmdstoutsz);
 
 
 #ifdef __cplusplus

diff --git a/src/mp3/sceMp3.S b/src/mp3/sceMp3.S
@@ -65,3 +65,18 @@
 #ifdef F_sceMp3_0019
 	IMPORT_FUNC	"sceMp3",0xF5478233,sceMp3ReleaseMp3Handle
 #endif
+#ifdef F_sceMp3_0020
+	IMPORT_FUNC	"sceMp3",0xAE6D2027,sceMp3GetMPEGVersion
+#endif
+#ifdef F_sceMp3_0021
+	IMPORT_FUNC	"sceMp3",0x3548AEC8,sceMp3GetFrameNum
+#endif
+#ifdef F_sceMp3_0022
+	IMPORT_FUNC	"sceMp3",0x0840E808,sceMp3ResetPlayPositionByFrame
+#endif
+#ifdef F_sceMp3_0023
+	IMPORT_FUNC	"sceMp3",0x1B839B83,sceMp3LowLevelInit
+#endif
+#ifdef F_sceMp3_0024
+	IMPORT_FUNC	"sceMp3",0xE3EE2C81,sceMp3LowLevelDecode
+#endif
diff --git a/src/samples/mp3/main.c b/src/samples/mp3/main.c
@@ -172,8 +172,6 @@ int main(int argc, char *argv[])
 	SceMp3InitArg mp3Init;
 	mp3Init.mp3StreamStart = 0;
 	mp3Init.mp3StreamEnd = sceIoLseek32( fd, 0, SEEK_END );
-	mp3Init.unk1 = 0;
-	mp3Init.unk2 = 0;
 	mp3Init.mp3Buf = mp3Buf;
 	mp3Init.mp3BufSize = sizeof(mp3Buf);
 	mp3Init.pcmBuf = pcmBuf;