/*load a piece of the file into piece */
int load_piece(bt_args_t *bt_args, bt_piece_t *piece_t){
int fd = create_file_descriptor(bt_args->save_file);
size_t len = bt_args->bt_info->piece_length;
void * ptr = malloc(len);
int load = load_data_from_file(ptr, len - piece_t->begin, piece_t->index*len+ piece_t->begin, fd, bt_args->save_file);
memcpy(piece_t->piece, ptr, len);
return load;
}
void load_geom(int argc, char* argv[])
{
assert(argc==3);
const char* file_off = argv[1];
const char* file_res = argv[2];
// initialisation du maillage
std::ifstream f(file_off, std::ifstream::in);
if(!f){
exit(0);
}
f >> m_mesh;
m_mesh.compute_normals();
// init of the ppal dir
ppal_data.clear();
load_data_from_file(ppal_data, file_res);
}
int main(){
auto data_path = std::getenv("OBI_DATA");
if(!data_path){
std::cout << "OBI_DATA environment variable is not set!" << std::endl;
return 1;
}
rocksdb::DB* db = nullptr;
rocksdb::Options options;
options.create_if_missing = true;
std::cout << "loading database" << std::endl;
rocksdb::Status status = rocksdb::DB::Open(options, std::string(data_path) + std::string("/rocksdb-data"), &db);
assert(status.ok());
bool load_from_disk = false;
if (load_from_disk){
if (!load_data_from_file(db, std::string(data_path) + std::string("/data30GB.txt"))){
return 1;
}
}
std::size_t number_of_requests = 300 * 1000 *1000;
std::cout << "next_key_max_all:" << std::endl;
std::cout << "first run warum up: " << std::endl
<< "seconds taken: " << run_test(db, &next_key_max_all, number_of_requests) << std::endl;
std::cout << "second - real test: " << std::endl
<< "seconds taken: " << run_test(db, &next_key_max_all, number_of_requests) << std::endl;
std::cout << "third - real test: " << std::endl
<< "seconds taken: " << run_test(db, &next_key_max_all, number_of_requests) << std::endl;
//std::cout << std::endl << "next_key_max_2:" << std::endl;
//std::cout << "first run warum up: " << std::endl
// << "seconds taken: " << run_test(db, &next_key_max_1 ,300000000) << std::endl;
//std::cout << "second - real test: " << std::endl
// << "seconds taken: " << run_test(db, &next_key_max_1, 300000000) << std::endl;
delete db;
return 0;
}
int wav_media_get_data(void* context, file_handle_t* handle, file_source_t* source, media_stats_t* stats, int piece, media_data_t* output_buffer, int output_buffer_size ){
int start;
int stop;
int n_frames;
track_data_t* tdata;
track_data_t* vdata;
media_data_t* mdata;
char* ptr;
int* size;
int* offset;
char* buf;
char raw_wave_data[1152 * 2 * 2];
char frame_data[1152 * 2 * 2];
int n_out_frames;
int n_out_bytes;
int i;
lame_global_flags* encopts = 0;
int n_ch;
int sample_rate;
int encoding_sample_rate;
int bit_per_sample;
int data_offset;
int type;
int n_video_frames;
char* video_logo_filename = get_logo_filename();
int video_frame_size = 0;
int r;
int ef = 4;
n_frames = get_frames_in_piece(stats, piece, 0, &start, &stop, 10);
video_frame_size = parse_video_file(video_logo_filename, &n_video_frames);
if ( !output_buffer || !output_buffer_size ){
return (stats->track[0]->pts[stop] - stats->track[0]->pts[start] + 0.5) * stats->track[0]->bitrate / 8 +
sizeof(media_data_t) + sizeof(track_data_t) * 2 + (n_frames + ef) * sizeof(int) + (n_frames + ef) * sizeof(int) + (n_video_frames + ef) * sizeof(int) + (n_video_frames + ef) * sizeof(int) + video_frame_size;
}
ptr = output_buffer;
mdata = output_buffer;
tdata = (media_data_t*)(ptr + sizeof(media_data_t));
vdata = (media_data_t*)(ptr + sizeof(media_data_t) + sizeof(track_data_t));
size = (int*)(ptr + sizeof(media_data_t) + sizeof(track_data_t) * 2);
offset = (int*)(ptr + sizeof(media_data_t) + sizeof(track_data_t) * 2 + (n_frames + ef) * sizeof(int));
mdata->n_tracks = 2;
mdata->track_data[0] = tdata;
mdata->track_data[1] = vdata;
buf = (char*)(ptr + sizeof(media_data_t) + sizeof(track_data_t) * 2 + (n_frames + ef) * sizeof(int) + (n_frames + ef) * sizeof(int) + (n_video_frames + ef) * sizeof(int) + (n_video_frames + ef) * sizeof(int));
tdata->buffer = buf;
tdata->offset = offset;
tdata->size = size;
n_out_bytes = 0;
n_out_frames = 0;
sample_rate = stats->track[0]->sample_rate;
n_ch = stats->track[0]->n_ch;
bit_per_sample = stats->track[0]->sample_size;
data_offset = stats->track[0]->data_start_offset;
type = stats->track[0]->type;
encoding_sample_rate = get_close_rate(sample_rate);
#ifdef TWO_LAME
#else
// encopts = lame_init();
//
// r = lame_set_num_channels(encopts, n_ch);
//
// /* sample rate */
// r = lame_set_in_samplerate (encopts, encoding_sample_rate);
// r = lame_set_out_samplerate(encopts, encoding_sample_rate);
//
// /* algorithmic quality */
// r = lame_set_quality(encopts, 8);
//
// r = lame_set_mode(encopts, n_ch > 1 ? JOINT_STEREO : MONO);
//
// /* rate control */
// r = lame_set_padding_type(encopts, PAD_ALL);
//
// r = lame_set_num_channels(encopts, n_ch);
//// lame_set_no_short_blocks(encopts, 1);
//
// r = lame_set_VBR(encopts, vbr_off);
//
// r = lame_set_brate(encopts, stats->track[0]->bitrate / 1000);
//
// if (lame_init_params(encopts) == 0){
// int frame_size = lame_get_framesize(encopts);
//
// for(i = start; i < stop; ++i){
// int n_samples = get_samples(handle, source, i * frame_size / (double)encoding_sample_rate, (i + 1) * frame_size / (double)encoding_sample_rate,
// raw_wave_data, sample_rate, n_ch, bit_per_sample, data_offset, type);
//
// decode_wave(raw_wave_data, n_samples, frame_data, sample_rate, encoding_sample_rate, n_ch, bit_per_sample, type);
//
// if (n_ch > 1){
// n_out_bytes += lame_encode_buffer_interleaved( encopts, (short*)(frame_data), frame_size, (unsigned char*)tdata->buffer + n_out_bytes, output_buffer_size - n_out_bytes );
// }else{
// n_out_bytes += lame_encode_buffer( encopts, (short*)(frame_data), 0, frame_size, (unsigned char*)tdata->buffer + n_out_bytes, output_buffer_size - n_out_bytes );
// }
// }
//
// n_out_bytes += lame_encode_flush(encopts, tdata->buffer + n_out_bytes, output_buffer_size - n_out_bytes);
//
// lame_close(encopts);
// }
#endif
tdata->first_frame = start;
tdata->n_frames = get_num_of_mp3_frames(tdata->buffer, n_out_bytes, encoding_sample_rate, stats->track[0]->bitrate, size, offset);
tdata->buffer_size = n_out_bytes;
tdata->cc = 0;
tdata->frames_written = 0;
vdata->size = (char*)(ptr + sizeof(media_data_t) + sizeof(track_data_t) * 2 + (n_frames + ef) * sizeof(int) + (n_frames + ef) * sizeof(int));
vdata->offset = (char*)(ptr + sizeof(media_data_t) + sizeof(track_data_t) * 2 + (n_frames + ef) * sizeof(int) + (n_frames + ef) * sizeof(int) + (n_video_frames + ef) * sizeof(int));
vdata->buffer = tdata->buffer + tdata->buffer_size;
vdata->buffer_size = vdata->size[0] = load_data_from_file(vdata->buffer, video_frame_size, video_logo_filename);
vdata->offset[0] = 0;
vdata->cc = 0;
vdata->frames_written = 0;
vdata->first_frame = 0;
vdata->n_frames = 1;
return sizeof(media_data_t) + sizeof(track_data_t) * 2 + (n_frames + ef) * sizeof(int) + (n_frames + ef) * sizeof(int) +
(n_video_frames + ef) * sizeof(int) + (n_video_frames + ef) * sizeof(int) + vdata->buffer_size + tdata->buffer_size;
}
void mexFunction(int nlhs, mxArray *plhs[],
int nrhs, const mxArray *prhs[])
{
char filename[256];
mxArray *pa1;
mxArray **mat_elem;
double *matData;
const char *field_name[20] = {"name","data"};
int i,j,count;
HEADER_FRAME *first_header_frame;
DATA_FRAME *first_data_frame, *cur_data_frame;
NAME_LIST *first_sig_name, *cur_sig_name;
int num_sigs,num_samples;
first_data_frame = init_data_frame();
first_header_frame = init_header_frame();
first_sig_name = init_name_list();
if (nrhs != 1)
mexErrMsgTxt("Error: missing filename. Usage: x = loadsig_cppsim('filename')");
if (!mxIsChar(prhs[0]))
mexErrMsgTxt("Error: filename must be a string");
if (nlhs != 1)
mexErrMsgTxt("Error: missing output variable. Usage: x = loadsig_cppsim('filename')");
mxGetString(prhs[0],filename,255);
if (load_data_from_file(filename,first_header_frame,first_data_frame,
&num_sigs, &num_samples) == -1)
mexErrMsgTxt("File not read");
extract_signal_names(first_header_frame,num_sigs,first_sig_name);
/* write into MATLAB structure */
plhs[0] = mxCreateStructMatrix(num_sigs,1,2,field_name);
/* copy signal name */
cur_sig_name = first_sig_name;
for (i = 0; i < num_sigs; i++)
{
pa1 = mxCreateString(cur_sig_name->name);
mxSetField(plhs[0],i,field_name[0],pa1);
cur_sig_name = cur_sig_name->next;
}
/* copy data */
if ((mat_elem = (mxArray **) mxCalloc(num_sigs,sizeof(mxArray *))) == NULL)
{
mexPrintf("error in loadsig_cppsim: calloc call failed - \n");
mexPrintf(" not enough memory!!\n");
return;
}
for (i = 0; i < num_sigs; i++)
mat_elem[i] = mxCreateDoubleMatrix(num_samples,1,mxREAL);
cur_data_frame = first_data_frame;
count = 0;
for (j = 0; j < num_samples; j++)
{
for (i = 0; i < num_sigs; i++)
{
if (count == cur_data_frame->length)
{
cur_data_frame = cur_data_frame->next;
if (cur_data_frame == NULL)
{
mexPrintf("error: data frame too short!\n");
return;
}
count = 0;
}
matData = mxGetPr(mat_elem[i]);
if (cur_data_frame->data_type == 32)
matData[j] = cur_data_frame->fbuf[count];
else
matData[j] = cur_data_frame->dbuf[count];
count++;
}
}
for (i = 0; i < num_sigs; i++)
mxSetField(plhs[0],i,field_name[1],mat_elem[i]);
free_header_frames(first_header_frame);
free_data_frames(first_data_frame);
free_name_list(first_sig_name);
return;
}
