static int aac_sync(uint64_t state, AACAC3ParseContext *hdr_info,
int *need_next_header, int *new_frame_start)
{
GetBitContext bits;
AACADTSHeaderInfo hdr;
int size;
union {
uint64_t u64;
uint8_t u8[8];
} tmp;
tmp.u64 = av_be2ne64(state);
init_get_bits(&bits, tmp.u8+8-AAC_ADTS_HEADER_SIZE, AAC_ADTS_HEADER_SIZE * 8);
if ((size = avpriv_aac_parse_header(&bits, &hdr)) < 0)
return 0;
*need_next_header = 0;
*new_frame_start = 1;
hdr_info->sample_rate = hdr.sample_rate;
hdr_info->channels = ff_mpeg4audio_channels[hdr.chan_config];
hdr_info->samples = hdr.samples;
hdr_info->bit_rate = hdr.bit_rate;
return size;
}
static int ExtractDSFrameData( uint8_t * buffer, struct DMImageData *frameData )
{
int retVal = AVERROR(EIO);
int bufIdx = 0;
if( buffer != NULL ) {
memcpy( frameData->identifier, &buffer[bufIdx], ID_LENGTH );
bufIdx += ID_LENGTH;
memcpy( &frameData->jpegLength, &buffer[bufIdx], sizeof(unsigned long) );
bufIdx += sizeof(unsigned long);
frameData->jpegLength = av_be2ne32(frameData->jpegLength);
memcpy( &frameData->imgSeq, &buffer[bufIdx], sizeof(int64_t) );
bufIdx += sizeof(int64_t);
frameData->imgSeq = av_be2ne64(frameData->imgSeq);
memcpy( &frameData->imgTime, &buffer[bufIdx], sizeof(int64_t) );
bufIdx += sizeof(int64_t);
memcpy( &frameData->camera, &buffer[bufIdx], sizeof(unsigned char) );
bufIdx += sizeof(unsigned char);
memcpy( &frameData->status, &buffer[bufIdx], sizeof(unsigned char) );
bufIdx += sizeof(unsigned char);
memcpy( &frameData->activity, &buffer[bufIdx], sizeof(unsigned short) * NUM_ACTIVITIES );
bufIdx += sizeof(unsigned short) * NUM_ACTIVITIES;
memcpy( &frameData->QFactor, &buffer[bufIdx], sizeof(unsigned short) );
bufIdx += sizeof(unsigned short);
frameData->QFactor = av_be2ne16(frameData->QFactor);
memcpy( &frameData->height, &buffer[bufIdx], sizeof(unsigned short) );
bufIdx += sizeof(unsigned short);
frameData->height = av_be2ne16(frameData->height);
memcpy( &frameData->width, &buffer[bufIdx], sizeof(unsigned short) );
bufIdx += sizeof(unsigned short);
frameData->width = av_be2ne16(frameData->width);
memcpy( &frameData->resolution, &buffer[bufIdx], sizeof(unsigned short) );
bufIdx += sizeof(unsigned short);
frameData->resolution = av_be2ne16(frameData->resolution);
memcpy( &frameData->interlace, &buffer[bufIdx], sizeof(unsigned short) );
bufIdx += sizeof(unsigned short);
frameData->interlace = av_be2ne16(frameData->interlace);
memcpy( &frameData->subHeaderMask, &buffer[bufIdx], sizeof(unsigned short) );
bufIdx += sizeof(unsigned short);
frameData->subHeaderMask = av_be2ne16(frameData->subHeaderMask);
memcpy( frameData->camTitle, &buffer[bufIdx], sizeof(char) * CAM_TITLE_LENGTH );
bufIdx += sizeof(char) * CAM_TITLE_LENGTH;
memcpy( frameData->alarmText, &buffer[bufIdx], sizeof(char) * ALARM_TEXT_LENGTH );
bufIdx += sizeof(char) * ALARM_TEXT_LENGTH;
retVal = 0;
}
return retVal;
}
