// ---------------------------------------------------------------------------------
static PyObject *
Decoder_Decode( PyACodecObject* obj, PyObject *args)
{
unsigned char* sData;
void* pBuf;
PyAFrameObject *cFrame= NULL;
int iLen, out_size, len, iBufSize, iPos= 0;
if (!PyArg_ParseTuple(args, "s#:decode", &sData, &iLen ))
return NULL;
// Get the header data first
//need to add padding to buffer for libavcodec
if( !Codec_AdjustPadBuffer( obj, iLen ) )
{
PyErr_NoMemory();
return NULL;
}
memcpy( obj->pPaddedBuf, sData, iLen);
sData=(uint8_t*)obj->pPaddedBuf;
// Realloc memory
iBufSize= AVCODEC_MAX_AUDIO_FRAME_SIZE* 2;
pBuf= av_malloc( iBufSize );
if( !pBuf )
{
PyErr_NoMemory();
return NULL;
}
while( iLen> 0 )
{
if( iBufSize- iPos< AVCODEC_MAX_AUDIO_FRAME_SIZE )
{
pBuf= av_realloc( pBuf, iBufSize+ AVCODEC_MAX_AUDIO_FRAME_SIZE* 2 );
if( !pBuf )
{
PyErr_NoMemory();
return NULL;
}
iBufSize+= AVCODEC_MAX_AUDIO_FRAME_SIZE* 2;
}
out_size= 0;
len= obj->cCodec->codec->decode( obj->cCodec, (char*)pBuf+ iPos, &out_size, sData, iLen );
if( len < 0 )
{
// Need to report out the error( it should be in the error list )
/*while( g_AvilibErr[ i ].iErrCode )
if( g_AvilibErr[ i ].iErrCode== len )
{
PyErr_SetString(g_cErr, g_AvilibErr[ i ].sErrDesc );
return NULL;
}
else
i++;
*/
PyErr_Format(g_cErr, "Unspecified error %d. Cannot find any help text for it.", len );
av_free( pBuf );
return NULL;
}
else
{
iLen-= len;
sData+= len;
if( out_size> 0 )
{
iPos+= out_size;
if( cFrame )
{
cFrame->cData->pData= pBuf;
cFrame->cData->iLen= iPos;
}
else
{
PyACStringObject* cRes;
cFrame= (PyAFrameObject*)PyObject_New( PyAFrameObject, &FrameType );
if( !cFrame )
return NULL;
cRes= ACString_New( pBuf, out_size );
if( !cRes )
return NULL;
cFrame->bit_rate= obj->cCodec->bit_rate;
cFrame->sample_rate= obj->cCodec->sample_rate;
cFrame->bits_per_sample= obj->cCodec->bits_per_sample;
cFrame->channels= obj->cCodec->channels;
cFrame->cData= cRes;
}
}
}
}
#ifdef HAVE_MMX
emms();
#endif
if( !cFrame )
free( pBuf );
else
return (PyObject*)cFrame;
if( out_size )
// Raise an error if data was found but no frames created
return NULL;
RETURN_NONE
}
// ---------------------------------------------------------------------------------
PyObject *
Codec_Decode( PyCodecObject* obj, PyObject *args)
{
PyObject* cRes= NULL;
uint8_t *sData=NULL,*sBuf=NULL;
int iLen=0, out_size=0, i=0, len=0, hurry= 0;
int64_t pts = 0;
// Add by Vadim Grigoriev to save pts
if (!PyArg_ParseTuple(args, "s#|Li:decode", &sBuf, &iLen, &pts, &hurry ))
return NULL;
//need to add padding to buffer for libavcodec
if( !Codec_AdjustPadBuffer( obj, iLen ) )
{
PyErr_NoMemory();
return NULL;
}
memcpy( obj->pPaddedBuf, sBuf, iLen);
sData=(uint8_t*)obj->pPaddedBuf;
while( iLen> 0 )
{
out_size= 0;
obj->cCodec->hurry_up= hurry;
// Add By Vadim Grigoriev to save pts
obj->frame.pts = pts;
// if (obj->cCodec->coded_frame.pts > 0 )
//
len= obj->cCodec->codec->decode( obj->cCodec, &obj->frame, &out_size, sData, iLen );
if( len < 0 )
{
// Need to report out the error( it should be in the error list )
while( g_AvilibErr[ i ].iErrCode )
if( g_AvilibErr[ i ].iErrCode== len )
{
PyErr_SetString(g_cErr, g_AvilibErr[ i ].sErrDesc );
return NULL;
}
else
i++;
PyErr_Format(g_cErr, "Unspecified error %d. Cannot find any help text for it.", len );
return NULL;
}
else
{
iLen-= len;
sData+= len;
if( !cRes && out_size> 0 )
cRes= Frame_New_LAVC( obj );
}
}
#ifdef HAVE_MMX
emms();
#endif
if( cRes )
return cRes;
if( out_size )
// Raise an error if data was found but no frames created
return NULL;
Py_INCREF( Py_None );
return Py_None;
}
