static int set_compression_type(char *optarg)
{
int success;
struct compression_operations* opt;
success = 1;
opt = &cinfo.opt;
if (!strcmp(optarg, DUMMY_NAME))
{
dummy_init(opt);
}
else if (!strcmp(optarg, SCZ_NAME))
{
scz_init(opt);
}
else if (!strcmp(optarg, LZO_NAME))
{
minilzo_init(opt);
}
else
{
success = 0;
fprintf(stderr, "Compression type %s not available\n", optarg);
}
return success;
}
static int dummy_probe(struct device *dev)
{
dummy_init(dev);
return 0;
}
void init_multiplex( multiplex_t *mx, sequence_t *seq_head,
audio_frame_t *extframe, int *exttype, int *exttypcnt,
uint64_t video_delay, uint64_t audio_delay, int fd,
int (*fill_buffers)(void *p, int f),
ringbuffer *vrbuffer, ringbuffer *index_vrbuffer,
ringbuffer *extrbuffer, ringbuffer *index_extrbuffer,
int otype)
{
int i;
uint32_t data_rate;
mx->fill_buffers = fill_buffers;
mx->video_delay = video_delay;
mx->audio_delay = audio_delay;
mx->fd_out = fd;
mx->otype = otype;
switch(mx->otype){
case REPLEX_DVD:
mx->video_delay += 180*CLOCK_MS;
mx->audio_delay += 180*CLOCK_MS;
mx->pack_size = 2048;
mx->audio_buffer_size = 4*1024;
mx->video_buffer_size = 232*1024;
mx->mux_rate = 1260000;
mx->navpack = 1;
mx->frame_timestamps = TIME_IFRAME;
mx->VBR = 1;
mx->reset_clocks = 0;
mx->write_end_codes = 0;
mx->set_broken_link = 0;
mx->is_ts = 0;
break;
case REPLEX_MPEG2:
mx->video_delay += 180*CLOCK_MS;
mx->audio_delay += 180*CLOCK_MS;
mx->pack_size = 2048;
mx->audio_buffer_size = 4*1024;
mx->video_buffer_size = 224*1024;
mx->mux_rate = 0;
mx->navpack = 0;
mx->frame_timestamps = TIME_ALWAYS;
mx->VBR = 1;
mx->reset_clocks = 1;
mx->write_end_codes = 1;
mx->set_broken_link = 1;
mx->is_ts = 0;
break;
case REPLEX_HDTV:
mx->video_delay += 180*CLOCK_MS;
mx->audio_delay += 180*CLOCK_MS;
mx->pack_size = 2048;
mx->audio_buffer_size = 4*1024;
mx->video_buffer_size = 4*224*1024;
mx->mux_rate = 0;
mx->navpack = 0;
mx->frame_timestamps = TIME_ALWAYS;
mx->VBR = 1;
mx->reset_clocks = 1;
mx->write_end_codes = 1;
mx->set_broken_link = 1;
mx->is_ts = 0;
break;
case REPLEX_TS_SD:
mx->video_delay += 180*CLOCK_MS;
mx->audio_delay += 180*CLOCK_MS;
mx->pack_size = 188;
mx->audio_buffer_size = 4*1024;
mx->video_buffer_size = 232*1024;
mx->mux_rate = 1260000;
mx->navpack = 0;
mx->frame_timestamps = TIME_ALWAYS;
mx->VBR = 1;
mx->reset_clocks = 0;
mx->write_end_codes = 0;
mx->set_broken_link = 0;
mx->is_ts = 1;
break;
case REPLEX_TS_HD:
mx->video_delay += 180*CLOCK_MS;
mx->audio_delay += 180*CLOCK_MS;
mx->pack_size = 188;
mx->audio_buffer_size = 4*1024;
mx->video_buffer_size = 4*224*1024;
mx->mux_rate = 0;
mx->navpack = 0;
mx->frame_timestamps = TIME_ALWAYS;
mx->VBR = 1;
mx->reset_clocks = 0;
mx->write_end_codes = 0;
mx->set_broken_link = 0;
mx->is_ts = 1;
break;
}
for (mx->extcnt = 0, data_rate = 0, i = 0;
i < N_AUDIO && exttype[i]; i++){
if (exttype[i] >= MAX_TYPES) {
fprintf(stderr, "Found illegal stream type %d\n",
exttype[i]);
exit(1);
}
mx->ext[i].type = exttype[i];
mx->ext[i].pts_off = 0;
mx->ext[i].frmperpkt = 1;
mx->ext[i].strmnum = exttypcnt[i];
strncpy(mx->ext[i].language, extframe[i].language, 4);
dummy_init(&mx->ext[i].dbuf, mx->audio_buffer_size);
data_rate += extframe[i].bit_rate;
mx->extcnt++;
}
mx->vrbuffer = vrbuffer;
mx->index_vrbuffer = index_vrbuffer;
mx->extrbuffer = extrbuffer;
mx->index_extrbuffer = index_extrbuffer;
dummy_init(&mx->vdbuf, mx->video_buffer_size);
//NOTE: vpkt_hdr/extpkt_hdr are worst-case for PS streams, but
//best-guess for TS streams
if(mx->is_ts) {
//Use best guess for TS streams
mx->data_size = get_ts_video_overhead(mx->pack_size, seq_head);
mx->extsize = get_ts_ext_overhead(mx->pack_size, extframe,
mx->ext, mx->extcnt);
} else {
//Use worst case for PS streams
mx->data_size = mx->pack_size - PES_H_MIN - PS_HEADER_L1 - 10;
mx->extsize = mx->data_size + 5; //one less DTS
}
mx->vsize = mx->data_size;
data_rate += seq_head->bit_rate *400;
mx->muxr = ((uint64_t)data_rate / 8 * mx->pack_size) / mx->data_size;
// muxrate of payload in Byte/s
if (mx->mux_rate) {
if ( mx->mux_rate < mx->muxr)
fprintf(stderr, "data rate may be to high for required mux rate\n");
mx->muxr = mx->mux_rate;
}
fprintf(stderr, "Mux rate: %.2f Mbit/s\n", mx->muxr*8.0/1000000.);
mx->SCRinc = 27000000ULL/((uint64_t)mx->muxr /
(uint64_t) mx->pack_size);
}