static int asf_write_packet(AVFormatContext *s, AVPacket *pkt)
{
ASFContext *asf = s->priv_data;
ASFStream *stream;
AVCodecContext *codec;
uint32_t packet_number;
int64_t pts;
int start_sec;
int flags = pkt->flags;
int ret;
codec = s->streams[pkt->stream_index]->codec;
stream = &asf->streams[pkt->stream_index];
if (codec->codec_type == AVMEDIA_TYPE_AUDIO)
flags &= ~AV_PKT_FLAG_KEY;
pts = (pkt->pts != AV_NOPTS_VALUE) ? pkt->pts : pkt->dts;
av_assert0(pts != AV_NOPTS_VALUE);
pts *= 10000;
asf->duration = FFMAX(asf->duration, pts + pkt->duration * 10000);
packet_number = asf->nb_packets;
put_frame(s, stream, s->streams[pkt->stream_index],
pkt->dts, pkt->data, pkt->size, flags);
start_sec = (int)((PREROLL_TIME * 10000 + pts + ASF_INDEXED_INTERVAL - 1)
/ ASF_INDEXED_INTERVAL);
/* check index */
if ((!asf->is_streamed) && (flags & AV_PKT_FLAG_KEY)) {
uint16_t packet_count = asf->nb_packets - packet_number;
if ((ret = update_index(s, start_sec, packet_number, packet_count)) < 0)
return ret;
}
asf->end_sec = start_sec;
return 0;
}
int main(int argc, char **argv)
{
int stop_at = 0;
char *yuv_path;
if (argc == 2) {
yuv_path = argv[1];
} else if (argc == 3) {
yuv_path = argv[1];
stop_at = atoi(argv[2]);
} else {
printf("usage: %s input [max frames]\n", argv[0]);
return -1;
}
printf("[test] initializing streams list\n");
printf("[test] init_stream_list\n");
stream_list_t *streams = init_stream_list();
printf("[test] init_stream\n");
stream_data_t *stream = init_stream(VIDEO, OUTPUT, 0, ACTIVE, "i2catrocks");
printf("[test] set_stream_video_data\n");
printf("[test] add_stream\n");
add_stream(streams, stream);
printf("[test] initializing transmitter\n");
transmitter_t *transmitter = init_transmitter(streams, 20.0);
start_transmitter(transmitter);
rtsp_serv_t *server;
server = malloc(sizeof(rtsp_serv_t));
server->port = 8554;
server->streams = streams;
server->transmitter = transmitter;
init_encoder(stream->video);
c_start_server(server);
c_update_server(server);
// Stuff ...
AVFormatContext *pformat_ctx = avformat_alloc_context();
AVCodecContext codec_ctx;
int video_stream = -1;
av_register_all();
int width = 1280;
int height = 534;
load_video(yuv_path, pformat_ctx, &codec_ctx, &video_stream);
uint8_t *b1 = (uint8_t *)av_malloc(avpicture_get_size(codec_ctx.pix_fmt,
codec_ctx.width, codec_ctx.height)*sizeof(uint8_t));
int counter = 0;
struct timeval a, b;
video_data_frame_t *decoded_frame;
while(1) {
gettimeofday(&a, NULL);
int ret = read_frame(pformat_ctx, video_stream, &codec_ctx, b1);
if (stop_at > 0 && counter == stop_at) {
break;
}
if (ret == 0) {
counter++;
decoded_frame = curr_in_frame(stream->video->decoded_frames);
if (decoded_frame == NULL){
continue;
}
decoded_frame->buffer_len = vc_get_linesize(width, RGB)*height;
memcpy(decoded_frame->buffer, b1, decoded_frame->buffer_len);
put_frame(stream->video->decoded_frames);
} else {
break;
}
gettimeofday(&b, NULL);
long diff = (b.tv_sec - a.tv_sec)*1000000 + b.tv_usec - a.tv_usec;
if (diff < 40000) {
usleep(40000 - diff);
} else {
usleep(0);
}
}
debug_msg(" deallocating resources and terminating threads\n");
av_free(pformat_ctx);
av_free(b1);
debug_msg(" done!\n");
stop_transmitter(transmitter);
destroy_stream_list(streams);
return 0;
}
int main(int argc, char *argv[]) {
ModularContext mctx;
Module *master;
Module *output;
int timer;
srand(0);
mctx.rate = SAMPLE_RATE;
ModularInitialize(&mctx);
master = ModularMaster(&mctx);
output = ModularOutput(&mctx);
Module *osc = NewModule(&mctx, &ModOscillator);
Module *env = NewModule(&mctx, &ModADSR);
OscillatorGet(osc)->waveform = OscBandlimitedSaw;
*ADSRGet(env)->A = 0.006;
*ADSRGet(env)->D = 0.700;
*ADSRGet(env)->S = 0.000;
*ADSRGet(env)->R = 0.100;
*ADSRGet(env)->trig = 0.0;
OscillatorGet(osc)->gain = env->out;
AddDependency(&mctx, osc, env);
Module *filt = NewModule(&mctx, &ModFilter);
FilterSetInput(&mctx, filt, osc);
Module *env2filt = NewModule(&mctx, &ModMatrix);
MatrixSetInput(&mctx, env2filt, env);
MatrixScale(env2filt, 0.0, 1.0, 10.0, 10000.0);
FilterGet(filt)->cutoff = env2filt->out;
AddDependency(&mctx, filt, env2filt);
Module *env2reso = NewModule(&mctx, &ModMatrix);
MatrixSetInput(&mctx, env2reso, env);
MatrixScale(env2reso, 0.0, 1.0, 0.1, 2.0);
FilterGet(filt)->reso = env2reso->out;
AddDependency(&mctx, filt, env2reso);
MixerSlot *slot = MixerAddSlot(&mctx, master, filt, 0.3, 0.0);
KeyController *kc = NewMonoSynth();
OscillatorGet(osc)->freq = MonoSynthGet(kc)->freq;
ADSRGet(env)->trig = MonoSynthGet(kc)->trig;
Module *bassosc = NewModule(&mctx, &ModOscillator);
Module *bassenv = NewModule(&mctx, &ModADSR);
OscillatorGet(bassosc)->waveform = OscBandlimitedSaw;
*ADSRGet(bassenv)->A = 0.006;
*ADSRGet(bassenv)->D = 0.200;
*ADSRGet(bassenv)->S = 0.000;
*ADSRGet(bassenv)->R = 0.100;
*ADSRGet(bassenv)->trig = 0.0;
//OscillatorGet(bassosc)->gain = bassenv->out;
AddDependency(&mctx, bassosc, bassenv);
Module *bassfilt = NewModule(&mctx, &ModFilter);
FilterSetInput(&mctx, bassfilt, bassosc);
Module *bassenv2filt = NewModule(&mctx, &ModMatrix);
MatrixSetInput(&mctx, bassenv2filt, bassenv);
MatrixScale(bassenv2filt, 0.0, 1.0, 50.0, 5000.0);
FilterGet(bassfilt)->cutoff = bassenv2filt->out;
AddDependency(&mctx, bassfilt, bassenv2filt);
*FilterGet(bassfilt)->reso = 0.4;
MixerSlot *bassslot = MixerAddSlot(&mctx, master, bassfilt, 0.3, 0.0);
KeyController *bkc = NewMonoSynth();
OscillatorGet(bassosc)->freq = MonoSynthGet(bkc)->freq;
ADSRGet(bassenv)->trig = MonoSynthGet(bkc)->trig;
for (timer=0; ; timer++) {
ModularStep(&mctx);
if (timer % 96000 == 84000)
seq = seqs[((timer / 96000) % 2)];
if (timer % 12000 == 0)
KeyControllerKeyDown(kc, seq[(timer / 12000) % 4] - 12, 64);
if (timer % 24000 == 22000)
KeyControllerKeyUp(kc, seq[(timer / 12000) % 4] - 12);
KeyControllerUpdate(kc);
if (timer % 12000 == 0)
KeyControllerKeyDown(bkc, bass[(timer / 12000) % 16], 64);
if (timer % 12000 == 11000)
KeyControllerKeyUp(bkc, bass[(timer / 12000) % 16]);
KeyControllerUpdate(bkc);
put_frame(output->out[0] * OUTPUT_SCALE,
output->out[1] * OUTPUT_SCALE);
}
return 0;
}
int SendPacket(char dest, char* Spacket) {
/*
Packet length = 122 => max 6 frames
split packet into frames, send frame, await acknowledgement
*/
put_string("\r\nstring passed to DLL: ");
put_string(Spacket);
struct frame data[FRAMECOUNT];
int no_frames;
no_frames = makeframe(&data, dest, Spacket, 0);
put_string("\r\n\nnumber of frames generated: ");
put_number(no_frames);
uint8_t *bufptr;
char temp[50];
int i,k, send_complete;
struct frame ack;
unsigned long time;
for(i = 0; i < no_frames; i++) {
send_complete = 0;
if((uint8_t)dest != (uint8_t)BROADCAST) {
put_string("\r\nSend message and await acknowledgement: ");
while(!send_complete) {
///////////////////send//////////////////////
put_frame(data[i]);
SendFrame(data[i].frame);
time = millis() + 1000;
while((millis() != time)) {
///////////check for acknowledgemt/////////////////
//put_char(':');
if(ReceiveFrame()) {
//send_complete = 1;
ReceiveFrame(temp);
// bufptr = rfm12_rx_buffer();
// for(k = 0; k < (rfm12_rx_len()); k++) {
// temp[k] = bufptr[k];
// }
// temp[rfm12_rx_len()] = '\0';
// rfm12_rx_clear();
// put_string("\r\nRECEIVED: ");
// put_string(temp);
// put_string("\r\n\r\n");
////////////////check if acknowledgemnt valid////////////////
int check_ack = decode_frame(&ack, temp);
if((check_ack & (1<<1)) && !(check_ack & 1<<2)) {
//if(strcmp(ack.data, data[i].data)) {
put_string("\r\nSend Complete!\r\n");
send_complete = 1;
break;
//}
}
}
}
if(!send_complete) {
put_string("\r\ntimeout\r\n");
}
}
}
else {
put_frame(data[i]);
put_string("\n\rBROADCAST frame now : ");
SendFrame(data[i].frame);
_delay_ms(400);
}
}
/*
for frame in frames:
send_complete = 0;
while not send complete:
send frame
start timer
while timer:
if acknowledgement:
send_complete = 1;
*/
return 0;
}
int RecievePacket(char* Rpacket) {
/*
see http://www.hansinator.de/rfm12lib/ for rfm12b libray details
receive frame, send acknowledgement
if received a frame:
de-bytestuff
check crc
if recipient:
acknowledge
pass to network
*/
int i = 0;
put_string("\r\n>>>Begin receive packet: \r\n");
if (ReceiveFrame()) { //Status complete 1 - passes this section
put_char('.');
uint8_t* bufptr;
char Rframe[50], ackstr[50];
struct frame ack, decode;
struct frame Nrframe[FRAMECOUNT];
struct frame ackarr[FRAMECOUNT];
int Received_Final_frame = 0;
unsigned long timeout = millis() + 20000;
while(!Received_Final_frame && (millis() < timeout)){ //never passes this while statement
//Also maybe add RFM12B tick??
//int Rframe_len;
put_string("Trying to receive data");
if (ReceiveFrame()) { //Status complete 2 - why?
ReceiveFrame(Rframe);
// bufptr = rfm12_rx_buffer();
// put_string("Raw data received: ");
// put_string((char*)bufptr);
// for(uint8_t k = 0; k < (rfm12_rx_len()); k++) {
// Rframe[k] = bufptr[k];
// }
// Rframe[rfm12_rx_len()] = '\0';
// rfm12_rx_clear();
put_string("\r\nRframe: ");
put_string(Rframe);
//strcpy(ackstr, Rframe);
decode = Nrframe[i];
int Rframe_check = decode_frame(&decode, Rframe);
Nrframe[i] = decode;
put_string("\r\nReceived Data: ");
put_frame(Nrframe[i]);
if(Rframe_check & (1<<1)) {
if(Rframe_check & 1<<4) {
Received_Final_frame = 1;
}
put_string("\r\nFrame Number; ");
put_number(i);
/*
frame received, frame for me
acknowledge
*/
if(!(Rframe_check & 1<<5)) {
put_string("\n\r>>>>START MAKE AND SEND ACKNOWLEDGEMENT\r\n");
ackarr[0] = Nrframe[i];
int framecount = makeframe(&ackarr, Nrframe[i].address[0], Nrframe[i].data, 1, 1);
put_string("\r\nNumber of acknowledgement frames generated: ");
put_number(framecount);
put_string("\r\nacknowledgement: ");
put_frame(ackarr[0]);
//_delay_ms(100);
SendFrame(ackarr[0].frame);
// rfm12_tx(strlen(ackarr[0].frame), 0, (uint8_t*)ackarr[0].frame);
// for (uint8_t j = 0; j < 100; j++)
// {
// //put_string(". ");
// rfm12_tick();
// _delay_us(500);
// }
}
i++;
timeout = millis() + 20000;
}
else if(!Rframe_check) {
;
}
else {
break;
}
}
}
if(i && i < FRAMECOUNT) {
put_string("\r\nPacketComplete\n\r");
strcpy(Rpacket, Nrframe[0].data);
for(int l = 1; l<i; l++) {
strcat(Rpacket, Nrframe[l].data);
}
strcat(Rpacket, "\0");
put_string("\r\nReceived packet: ");
put_string(Rpacket);
}
}
put_string("\r\n>>>End ReceivePacket\r\n");
return i;
}
int Commercials::
put_clip(File *file, int track, double position, double length)
{
if( file->asset->format != FILE_MPEG ) return -1;
double framerate; int pid, width, height; char title[BCTEXTLEN];
if( file->get_video_info(track, pid, framerate,
width, height, title) ) return -1;
if( file->set_layer(track) ) return -1;
int64_t pos = position * framerate;
if( file->set_video_position(pos, 0) ) return 1;
time_t ct; time(&ct);
int64_t creation_time = (int64_t)ct, system_time;
if( file->get_system_time(system_time) ) system_time = 0;
int frames = length * framerate;
int prefix_size = 2*framerate, length2 = frames/2;
if( prefix_size > length2 ) prefix_size = length2;
int suffix_size = prefix_size;
if( mdb->new_clip_set(title, file->asset->path, position,
framerate, frames, prefix_size, suffix_size,
creation_time, system_time) ) return 1;
clip_id = mdb->clip_id();
cancelled = 0;
scan_status = new ScanStatus(this, 30, 30, 1, 1,
cancelled, "Cutting Ads");
scan_status->update_length(0, frames);
scan_status->update_position(0, 0);
update_cut_info(track+1, position);
clip_weights = mdb->clip_weights();
frame_period = 1. / framerate;
VFrame frame(width, height, BC_YUV420P);
int i = 0, n = 0, result = 0;
// first 2 secs of frame data and weights
while( i < prefix_size && !result ) {
if( (result=file->read_frame(&frame)) != 0 ) break;
if( (result=put_frame(&frame, n++, 1, i/framerate)) != 0 ) break;
if( (result=put_weight(&frame, i)) != 0 ) break;
result = scan_status->update_position(0, ++i);
}
int suffix_start = frames - suffix_size;
while( i < suffix_start && !result ) {
if( (result=file->read_frame(&frame)) != 0 ) break;
if( (result=put_weight(&frame, i)) != 0 ) break;
result = scan_status->update_position(0, ++i);
++n;
}
// last 2 secs of frame data and weights
while( i < frames && !result ) {
if( (result=file->read_frame(&frame)) != 0 ) break;
if( (result=put_frame(&frame, n++, 2, i/framerate)) != 0 ) break;
if( (result=put_weight(&frame, i)) != 0 ) break;
result = scan_status->update_position(0, ++i);
}
double wt = 0;
for( i=0; i<frames; ++i ) wt += clip_weights[i];
mdb->clip_average_weight(wt/frames);
delete scan_status;
scan_status = 0;
return result;
}
