qtaudio - audio decoder using win32 quicktime 5 dlls

based on code by Sascha Sommer <saschasommer@freenet.de>


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@8009 b3059339-0415-0410-9bf9-f77b7e298cf2

1 files changed, 291 insertions, 0 deletions

diff --git a/libmpcodecs/ad_qtaudio.c b/libmpcodecs/ad_qtaudio.c
new file mode 100644
index 0000000000..bf4b39d0fe
--- /dev/null
+++ b/libmpcodecs/ad_qtaudio.c
@@ -0,0 +1,291 @@
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <inttypes.h>
+
+#include "config.h"
+
+#ifdef USE_WIN32DLL
+
+#include "ad_internal.h"
+#include "bswap.h"
+
+static ad_info_t info =  {
+	"QuickTime Audio Decoder",
+	"qtaudio",
+	"A'rpi",
+	"Sascha Sommer",
+	"uses win32 quicktime DLLs"
+};
+
+LIBAD_EXTERN(qtaudio)
+
+typedef struct OpaqueSoundConverter*    SoundConverter;
+typedef unsigned long                   OSType;
+typedef unsigned long                   UnsignedFixed;
+typedef uint8_t                          Byte;
+typedef struct SoundComponentData {
+    long                            flags;
+    OSType                          format;
+    short                           numChannels;
+    short                           sampleSize;
+    UnsignedFixed                   sampleRate;
+    long                            sampleCount;
+    Byte *                          buffer;
+    long                            reserved;
+}SoundComponentData;
+
+typedef int (__cdecl* LPFUNC1)(long flag);
+typedef int (__cdecl* LPFUNC2)(const SoundComponentData *, const SoundComponentData *,SoundConverter *);
+typedef int (__cdecl* LPFUNC3)(SoundConverter sc);
+typedef int (__cdecl* LPFUNC4)(void);
+typedef int (__cdecl* LPFUNC5)(SoundConverter sc, OSType selector,void * infoPtr);                          
+typedef int (__cdecl* LPFUNC6)(SoundConverter sc, 
+								unsigned long inputBytesTarget,
+								unsigned long *inputFrames,
+								unsigned long *inputBytes,
+								unsigned long *outputBytes );
+typedef int (__cdecl* LPFUNC7)(SoundConverter sc, 
+								const void    *inputPtr, 
+								unsigned long inputFrames,
+								void          *outputPtr,
+								unsigned long *outputFrames,
+								unsigned long *outputBytes );
+typedef int (__cdecl* LPFUNC8)(SoundConverter sc,
+								void      *outputPtr,
+                                unsigned long *outputFrames,
+                                unsigned long *outputBytes);
+typedef int (__cdecl* LPFUNC9)(SoundConverter         sc) ;                                
+
+static HINSTANCE qtml_dll;
+static LPFUNC1 InitializeQTML;
+static LPFUNC2 SoundConverterOpen;
+static LPFUNC3 SoundConverterClose;
+static LPFUNC4 TerminateQTML;
+static LPFUNC5 SoundConverterSetInfo;
+static LPFUNC6 SoundConverterGetBufferSizes;
+static LPFUNC7 SoundConverterConvertBuffer;
+static LPFUNC8 SoundConverterEndConversion;
+static LPFUNC9 SoundConverterBeginConversion;
+
+#define siDecompressionParams 2002876005 // siDecompressionParams = FOUR_CHAR_CODE('wave')
+
+HMODULE   WINAPI LoadLibraryA(LPCSTR);
+FARPROC   WINAPI GetProcAddress(HMODULE,LPCSTR);
+int       WINAPI FreeLibrary(HMODULE);
+
+static int loader_init()
+{
+
+    qtml_dll = LoadLibraryA("qtmlClient.dll");
+    if( qtml_dll == NULL )
+    {
+        printf("failed loading dll\n" );
+	return 1;
+    }
+#if 1
+    InitializeQTML = (LPFUNC1)GetProcAddress(qtml_dll,"InitializeQTML");
+	if ( InitializeQTML == NULL )
+    {
+        printf("failed geting proc address InitializeQTML\n");
+		return 1;
+    }
+    SoundConverterOpen = (LPFUNC2)GetProcAddress(qtml_dll,"SoundConverterOpen");
+	if ( SoundConverterOpen == NULL )
+    {
+        printf("failed getting proc address SoundConverterOpen\n");
+		return 1;
+    }
+	SoundConverterClose = (LPFUNC3)GetProcAddress(qtml_dll,"SoundConverterClose");
+	if ( SoundConverterClose == NULL )
+    {
+        printf("failed getting proc address SoundConverterClose\n");
+		return 1;
+    }
+	TerminateQTML = (LPFUNC4)GetProcAddress(qtml_dll,"TerminateQTML");
+	if ( TerminateQTML == NULL )
+    {
+        printf("failed getting proc address TerminateQTML\n");
+		return 1;
+    }
+	SoundConverterSetInfo = (LPFUNC5)GetProcAddress(qtml_dll,"SoundConverterSetInfo");
+	if ( SoundConverterSetInfo == NULL )
+    {
+        printf("failed getting proc address SoundConverterSetInfo\n");
+		return 1;
+    }
+	SoundConverterGetBufferSizes = (LPFUNC6)GetProcAddress(qtml_dll,"SoundConverterGetBufferSizes");
+	if ( SoundConverterGetBufferSizes == NULL )
+    {
+        printf("failed getting proc address SoundConverterGetBufferSizes\n");
+		return 1;
+    }
+	SoundConverterConvertBuffer = (LPFUNC7)GetProcAddress(qtml_dll,"SoundConverterConvertBuffer");
+	if ( SoundConverterConvertBuffer == NULL )
+    {
+        printf("failed getting proc address SoundConverterConvertBuffer1\n");
+		return 1;
+    }
+	SoundConverterEndConversion = (LPFUNC8)GetProcAddress(qtml_dll,"SoundConverterEndConversion");
+	if ( SoundConverterEndConversion == NULL )
+    {
+        printf("failed getting proc address SoundConverterEndConversion\n");
+		return 1;
+    }
+	SoundConverterBeginConversion = (LPFUNC9)GetProcAddress(qtml_dll,"SoundConverterBeginConversion");
+	if ( SoundConverterBeginConversion == NULL )
+    {
+        printf("failed getting proc address SoundConverterBeginConversion\n");
+		return 1;
+    }
+	printf("Standard init done you may now call supported functions\n");
+#endif
+    printf("loader_init DONE???\n");
+	return 0;
+}
+
+static SoundConverter			   myConverter = NULL;
+static SoundComponentData		   InputFormatInfo,OutputFormatInfo;
+
+static int InFrameSize;
+static int OutFrameSize;
+
+static int preinit(sh_audio_t *sh){
+    int error;
+    unsigned long FramesToGet=0; //how many frames the demuxer has to get
+    unsigned long InputBufferSize=0; //size of the input buffer
+    unsigned long OutputBufferSize=0; //size of the output buffer
+    unsigned long WantedBufferSize=0; //the size you want your buffers to be
+
+    printf("win32 libquicktime loader (c) Sascha Sommer\n");
+
+    if(loader_init()) return 0; // failed to load DLL
+    
+    printf("loader_init DONE!\n");
+
+#if 1
+    error = InitializeQTML(0L);
+    printf("InitializeQTML:%i\n",error);
+    if(error) return 0;
+    
+	OutputFormatInfo.flags = InputFormatInfo.flags = 0;
+	OutputFormatInfo.sampleCount = InputFormatInfo.sampleCount = 0;
+	OutputFormatInfo.buffer = InputFormatInfo.buffer = NULL;
+	OutputFormatInfo.reserved = InputFormatInfo.reserved = 0;
+	OutputFormatInfo.numChannels = InputFormatInfo.numChannels = sh->wf->nChannels;
+	OutputFormatInfo.sampleSize = InputFormatInfo.sampleSize = sh->wf->wBitsPerSample;
+	OutputFormatInfo.sampleRate = InputFormatInfo.sampleRate = sh->wf->nSamplesPerSec;
+	InputFormatInfo.format =  bswap_32(sh->format); //1363430706;///*1768775988;//*/1902406962;//qdm2//1768775988;//FOUR_CHAR_CODE('ima4');
+	OutputFormatInfo.format = 1313820229;// FOUR_CHAR_CODE('NONE');
+
+    error = SoundConverterOpen(&InputFormatInfo, &OutputFormatInfo, &myConverter);
+    printf("SoundConverterOpen:%i\n",error);
+    if(error) return 0;
+
+    if(sh->codecdata){
+	error = SoundConverterSetInfo(myConverter,siDecompressionParams,sh->codecdata);
+	printf("SoundConverterSetInfo:%i\n",error);
+	if(error) return 0;
+    }
+
+    WantedBufferSize=OutputFormatInfo.numChannels*OutputFormatInfo.sampleRate*2;
+    error = SoundConverterGetBufferSizes(myConverter,
+	WantedBufferSize,&FramesToGet,&InputBufferSize,&OutputBufferSize);
+    printf("SoundConverterGetBufferSizes:%i\n");
+    printf("WantedBufferSize = %i\n",WantedBufferSize);
+    printf("InputBufferSize  = %i\n",InputBufferSize);
+    printf("OutputBufferSize = %i\n",OutputBufferSize);
+    printf("FramesToGet = %i\n",FramesToGet);
+    
+    InFrameSize=InputBufferSize/FramesToGet;
+    OutFrameSize=OutputBufferSize/FramesToGet;
+
+    printf("FrameSize: %i -> %i\n",InFrameSize,OutFrameSize);
+
+    error = SoundConverterBeginConversion(myConverter);
+    printf("SoundConverterBeginConversion:%i\n",error);
+    if(error) return 0;
+
+    sh->audio_out_minsize=OutputBufferSize;
+    sh->audio_in_minsize=InputBufferSize;
+  
+    sh->channels=sh->wf->nChannels;
+    sh->samplerate=sh->wf->nSamplesPerSec;
+    sh->samplesize=(sh->wf->wBitsPerSample+7)/8;
+
+    sh->i_bps=sh->wf->nAvgBytesPerSec;
+//InputBufferSize*WantedBufferSize/OutputBufferSize;
+
+#endif
+  return 1; // return values: 1=OK 0=ERROR
+}
+
+static int init(sh_audio_t *sh_audio){
+
+    return 1; // return values: 1=OK 0=ERROR
+}
+
+static void uninit(sh_audio_t *sh){
+    int error;
+    unsigned long ConvertedFrames=0;
+    unsigned long ConvertedBytes=0;
+    error=SoundConverterEndConversion(myConverter,NULL,&ConvertedFrames,&ConvertedBytes);
+    printf("SoundConverterEndConversion:%i\n",error);
+    error = SoundConverterClose(myConverter);
+    printf("SoundConverterClose:%i\n",error);
+    error = TerminateQTML();
+    printf("TerminateQTML:%i\n",error);
+    FreeLibrary( qtml_dll );
+    qtml_dll = NULL;
+    printf("qt dll loader uninit done\n");
+}
+
+static int decode_audio(sh_audio_t *sh,unsigned char *buf,int minlen,int maxlen){
+    int error;
+    unsigned long FramesToGet=0; //how many frames the demuxer has to get
+    unsigned long InputBufferSize=0; //size of the input buffer
+    unsigned long ConvertedFrames=0;
+    unsigned long ConvertedBytes=0;
+    
+    FramesToGet=minlen/OutFrameSize;
+    if(FramesToGet*OutFrameSize<minlen &&
+       (FramesToGet+1)*OutFrameSize<=maxlen) ++FramesToGet;
+    if(FramesToGet*InFrameSize>sh->a_in_buffer_size)
+	FramesToGet=sh->a_in_buffer_size/InFrameSize;
+
+    InputBufferSize=FramesToGet*InFrameSize;
+
+    printf("FramesToGet = %i  (%i -> %i bytes)\n",FramesToGet,
+	InputBufferSize, FramesToGet*OutFrameSize);
+
+    if(InputBufferSize>sh->a_in_buffer_len){
+	int x=demux_read_data(sh->ds,&sh->a_in_buffer[sh->a_in_buffer_len],
+	    InputBufferSize-sh->a_in_buffer_len);
+	if(x>0) sh->a_in_buffer_len+=x;
+	if(InputBufferSize>sh->a_in_buffer_len)
+	    FramesToGet=sh->a_in_buffer_len/InFrameSize; // not enough data!
+    }
+    
+    error = SoundConverterConvertBuffer(myConverter,sh->a_in_buffer,
+	FramesToGet,buf,&ConvertedFrames,&ConvertedBytes);
+    printf("SoundConverterConvertBuffer:%i\n",error);
+    printf("ConvertedFrames = %i\n",ConvertedFrames);
+    printf("ConvertedBytes = %i\n",ConvertedBytes);
+    
+    InputBufferSize=(ConvertedBytes/OutFrameSize)*InFrameSize; // FIXME!!
+    sh->a_in_buffer_len-=InputBufferSize;
+    if(sh->a_in_buffer_len<0) sh->a_in_buffer_len=0; // should not happen...
+    else if(sh->a_in_buffer_len>0){
+	memcpy(sh->a_in_buffer,&sh->a_in_buffer[InputBufferSize],sh->a_in_buffer_len);
+    }
+
+    return ConvertedBytes;
+}
+
+static int control(sh_audio_t *sh,int cmd,void* arg, ...){
+    // various optional functions you MAY implement:
+  return CONTROL_UNKNOWN;
+}
+
+#endif