EXPORT int duplicate_stream(void *actx,enum DuplicateFormat format)
{
int ret = 0;
struct liveStream *ctx = (struct liveStream *)actx;
if(!ctx)
return -1;
av_bprint_init(&ctx->graph_desc, 0, 1);
if(format == SIDE_BY_SIDE)
av_bprintf(&ctx->graph_desc, "[0]format=yuv420p,scale=iw/2:ih,pad=iw*2:ih[main];[main]split[dup1][dup2];[dup1][dup2]overlay=W/2:0[bg]");
else if ( format == TOP_N_BOTTOM)
av_bprintf(&ctx->graph_desc, "[0]format=yuv420p,scale=iw:ih/2,pad=iw:ih*2[main];[main]split[dup1][dup2];[dup1][dup2]overlay=0:H/2[bg]");
else
{
av_log(NULL,AV_LOG_ERROR,"Invalid format Speified only side_by_side and top_n_bottom supported\n");
return -1;
}
ret = configure_filter(ctx);
if(ret < 0)
{
av_log(NULL,AV_LOG_ERROR,"Unable to configure Filter\n");
return ret;
}
return ret;
}
EXPORT int pause_stream(void *actx, long long duration)
{
int ret = 0;
struct liveStream *ctx = (struct liveStream *)actx;
if(!ctx)
return -1;
av_bprintf(&ctx->graph_desc, ";color=black:duration=%lld:s=%dx%d[onit];[bg][onit]overlay=eof_action=pass",duration, STREAM_WIDTH, STREAM_HEIGHT);
ret = configure_filter(ctx);
if(ret < 0)
{
av_log(NULL,AV_LOG_ERROR,"Unable to configure Filter\n");
return -1;
}
return 0;
}
int init_filters(struct liveStream *ctx)
{
int ret = 0;
if (sem_init(&ctx->filter_lock, 0, 1) == -1)
{
av_log(NULL,AV_LOG_ERROR,"Unable to init filter locks\n");
}
av_bprint_init(&ctx->graph_desc, 0, 1);
av_bprintf(&ctx->graph_desc, "[0]format=yuv420p,scale=%d:%d[bg]",STREAM_WIDTH,STREAM_HEIGHT);
ret = configure_filter(ctx);
if(ret < 0)
{
printf("unable to configure filter\n");
}
return 0;
}
EXPORT int duplicate_overlayed_stream(void *actx,int xpos, int ypos, int height, int width)
{
int ret = 0;
struct liveStream *ctx = (struct liveStream *)actx;
if(!ctx)
return -1;
av_bprint_init(&ctx->graph_desc, 0, 1);
av_bprintf(&ctx->graph_desc, "[0]format=yuv420p,scale=iw:ih,split[dup1][dup2];"
"[dup2]scale=%d:%d[scaled_dup2];"
"[dup1][scaled_dup2]overlay=%d:%d[bg]",
width, height,
xpos, ypos);
ret = configure_filter(ctx);
if(ret < 0)
{
av_log(NULL,AV_LOG_ERROR,"Unable to configure Filter\n");
return ret;
}
return ret;
}
/**
* only one image can be set to be overlayed
*/
EXPORT int set_image(void *actx,const char*path, int xpos,int ypos,int height, int width)
{
int ret = 0;
struct inputCfg cfg = { IN_IMAGE, 1};
struct liveStream *ctx = (struct liveStream *)actx;
if(!ctx)
return -1;
ret = configure_input(ctx, path, &cfg);
if(ret < 0)
{
return ret;
}
av_bprintf(&ctx->graph_desc, ";[1]format=yuv420p,scale=%d:%d[onit];[bg][onit]overlay=%d:%d",height,width,xpos,ypos);
ret = configure_filter(ctx);
if(ret < 0)
{
return ret;
}
return ret;
}
void usb_sound_device::device_start()
{
g80_filter_state temp;
int tchan, tgroup;
/* find the CPU we are associated with */
m_maincpu = machine().device("maincpu");
assert(m_maincpu != NULL);
/* create a sound stream */
m_stream = machine().sound().stream_alloc(*this, 0, 1, SAMPLE_RATE);
/* initialize state */
m_noise_shift = 0x15555;
for (tgroup = 0; tgroup < 3; tgroup++)
{
timer8253 *g = &m_timer_group[tgroup];
configure_filter(&g->chan_filter[0], 10e3, 1e-6);
configure_filter(&g->chan_filter[1], 10e3, 1e-6);
configure_filter(&g->gate1, 100e3, 0.01e-6);
configure_filter(&g->gate2, 2 * 100e3, 0.01e-6);
}
configure_filter(&temp, 100e3, 0.01e-6);
m_gate_rc1_exp[0] = temp.exponent;
configure_filter(&temp, 1e3, 0.01e-6);
m_gate_rc1_exp[1] = temp.exponent;
configure_filter(&temp, 2 * 100e3, 0.01e-6);
m_gate_rc2_exp[0] = temp.exponent;
configure_filter(&temp, 2 * 1e3, 0.01e-6);
m_gate_rc2_exp[1] = temp.exponent;
configure_filter(&m_noise_filters[0], 2.7e3 + 2.7e3, 1.0e-6);
configure_filter(&m_noise_filters[1], 2.7e3 + 1e3, 0.30e-6);
configure_filter(&m_noise_filters[2], 2.7e3 + 270, 0.15e-6);
configure_filter(&m_noise_filters[3], 2.7e3 + 0, 0.082e-6);
configure_filter(&m_noise_filters[4], 33e3, 0.1e-6);
configure_filter(&m_final_filter, 100e3, 4.7e-6);
/* register for save states */
save_item(NAME(m_in_latch));
save_item(NAME(m_out_latch));
save_item(NAME(m_last_p2_value));
save_item(NAME(m_work_ram_bank));
save_item(NAME(m_t1_clock));
for (tgroup = 0; tgroup < 3; tgroup++)
{
timer8253 *group = &m_timer_group[tgroup];
for (tchan = 0; tchan < 3; tchan++)
{
timer8253_channel *channel = &group->chan[tchan];
save_item(NAME(channel->holding), tgroup * 3 + tchan);
save_item(NAME(channel->latchmode), tgroup * 3 + tchan);
save_item(NAME(channel->latchtoggle), tgroup * 3 + tchan);
save_item(NAME(channel->clockmode), tgroup * 3 + tchan);
save_item(NAME(channel->bcdmode), tgroup * 3 + tchan);
save_item(NAME(channel->output), tgroup * 3 + tchan);
save_item(NAME(channel->lastgate), tgroup * 3 + tchan);
save_item(NAME(channel->gate), tgroup * 3 + tchan);
save_item(NAME(channel->subcount), tgroup * 3 + tchan);
save_item(NAME(channel->count), tgroup * 3 + tchan);
save_item(NAME(channel->remain), tgroup * 3 + tchan);
}
save_item(NAME(group->env), tgroup);
save_item(NAME(group->chan_filter[0].capval), tgroup);
save_item(NAME(group->chan_filter[1].capval), tgroup);
save_item(NAME(group->gate1.capval), tgroup);
save_item(NAME(group->gate2.capval), tgroup);
save_item(NAME(group->config), tgroup);
}
save_item(NAME(m_timer_mode));
save_item(NAME(m_noise_shift));
save_item(NAME(m_noise_state));
save_item(NAME(m_noise_subcount));
save_item(NAME(m_final_filter.capval));
save_item(NAME(m_noise_filters[0].capval));
save_item(NAME(m_noise_filters[1].capval));
save_item(NAME(m_noise_filters[2].capval));
save_item(NAME(m_noise_filters[3].capval));
save_item(NAME(m_noise_filters[4].capval));
}
