aboutsummaryrefslogtreecommitdiffhomepage
path: root/libmpcodecs/ad_qtaudio.c
blob: bf4b39d0fe83e21739acb17329e92f66aaa69aa7 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
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