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Release 0.12.0
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-105
@@ -5,22 +5,32 @@
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#define CALIBRATION_ACTIVE false
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#endif
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#ifndef PICCAP_BINARY
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#define PICCAP_BINARY "/media/developer/apps/usr/palm/services/org.webosbrew.piccap.service/hyperion-webos"
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#define PICCAP_BINARY \
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"/media/developer/apps/usr/palm/services/org.webosbrew.piccap.service/hyperion-webos"
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#endif
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#define HANDOVER_PREF "/media/developer/apps/usr/palm/services/org.webosbrew.histogramhyperion.service/handover.json"
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#define HANDOVER_PREF \
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"/media/developer/apps/usr/palm/services/org.webosbrew.histogramhyperion.service/" \
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"handover.json"
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static PlaybackJson playback_json;
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static bool handover_enabled,piccap_owned,piccap_busy,media_busy,piccap_connected;
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static bool handover_enabled, piccap_owned, piccap_busy, media_busy, piccap_connected;
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static PlaybackProtection protection;
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static uint64_t protection_at,next_media_probe,next_piccap_probe,handover_cooldown,piccap_action_at;
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typedef enum {SOURCE_HISTOGRAM,SOURCE_PICCAP_STARTING,SOURCE_PICCAP,SOURCE_PICCAP_STOPPING} CaptureSource;
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static uint64_t protection_at, next_media_probe, next_piccap_probe, handover_cooldown,
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piccap_action_at;
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typedef enum {
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SOURCE_HISTOGRAM,
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SOURCE_PICCAP_STARTING,
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SOURCE_PICCAP,
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SOURCE_PICCAP_STOPPING
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} CaptureSource;
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static CaptureSource capture_source;
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static void *service_handle;
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static bool (*call_once)(void*,const char*,const char*,Callback,void*,unsigned long*,LSError*);
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static bool (*cancel_call)(void*,unsigned long,LSError*);
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static unsigned long piccap_token,media_token;
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static uint64_t piccap_deadline,media_deadline;
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static unsigned clear_samples,piccap_fallbacks;
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static uint64_t clear_since,unknown_since,piccap_disconnected_since;
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static bool (*call_once)(void *, const char *, const char *, Callback, void *, unsigned long *,
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LSError *);
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static bool (*cancel_call)(void *, unsigned long, LSError *);
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static unsigned long piccap_token, media_token;
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static uint64_t piccap_deadline, media_deadline;
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static unsigned clear_samples, piccap_fallbacks;
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static uint64_t clear_since, unknown_since, piccap_disconnected_since;
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#define CLEAR_STABLE_MS 2000
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#define UNKNOWN_GRACE_MS 1500
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#define PICCAP_LOSS_MS 5000
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@@ -28,105 +38,245 @@ static uint64_t clear_since,unknown_since,piccap_disconnected_since;
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static TargetConfig piccap_target;
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static char piccap_error[128];
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static bool piccap_request(int command);
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static inline bool piccap_installed(void){return access(PICCAP_BINARY,X_OK)==0;}
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static bool handover_save(bool enabled){
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const char *data=enabled?"{\"piccapHandover\":true}\n":"{\"piccapHandover\":false}\n";
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int fd=open(HANDOVER_PREF ".tmp",O_WRONLY|O_CREAT|O_EXCL|O_NOFOLLOW|O_CLOEXEC,0600);if(fd<0)return false;
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ssize_t n=write(fd,data,strlen(data));bool ok=n==(ssize_t)strlen(data) && fsync(fd)==0;
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if(close(fd)!=0)ok=false;
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if(ok)ok=rename(HANDOVER_PREF ".tmp",HANDOVER_PREF)==0;
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if(!ok)unlink(HANDOVER_PREF ".tmp");
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return ok;
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static inline bool piccap_installed(void) {
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return access(PICCAP_BINARY, X_OK) == 0;
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}
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static void handover_load(void){
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int fd=open(HANDOVER_PREF,O_RDONLY|O_NOFOLLOW|O_CLOEXEC);if(fd<0)return;
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char text[128];ssize_t n=read(fd,text,sizeof(text)-1);close(fd);
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if(n>0){text[n]=0;void *root=playback_json.parse(text);handover_enabled=playback_true(&playback_json,root,"piccapHandover");if(root)playback_json.put(root);}
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static bool handover_save(bool enabled) {
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const char *data = enabled ? "{\"piccapHandover\":true}\n" : "{\"piccapHandover\":false}\n";
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int fd = open(HANDOVER_PREF ".tmp", O_WRONLY | O_CREAT | O_EXCL | O_NOFOLLOW | O_CLOEXEC, 0600);
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if (fd < 0)
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return false;
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ssize_t n = write(fd, data, strlen(data));
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bool ok = n == (ssize_t)strlen(data) && fsync(fd) == 0;
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if (close(fd) != 0)
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ok = false;
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if (ok)
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ok = rename(HANDOVER_PREF ".tmp", HANDOVER_PREF) == 0;
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if (!ok)
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unlink(HANDOVER_PREF ".tmp");
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return ok;
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}
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static bool media_reply(void *h,void *m,void *ctx){
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(void)h;(void)ctx;media_busy=false;media_token=0;
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protection=playback_classify(&playback_json,payload(m));protection_at=milliseconds();
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if(protection==PLAYBACK_CLEAR){
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if(!clear_samples)clear_since=protection_at;
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if(clear_samples<3)clear_samples++;
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unknown_since=0;
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}else {clear_samples=0;clear_since=0;if(protection==PLAYBACK_UNKNOWN && !unknown_since)unknown_since=protection_at;else if(protection==PLAYBACK_PROTECTED)unknown_since=0;}
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return true;
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static void handover_load(void) {
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int fd = open(HANDOVER_PREF, O_RDONLY | O_NOFOLLOW | O_CLOEXEC);
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if (fd < 0)
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return;
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char text[128];
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ssize_t n = read(fd, text, sizeof(text) - 1);
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close(fd);
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if (n > 0) {
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text[n] = 0;
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void *root = playback_json.parse(text);
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handover_enabled = playback_true(&playback_json, root, "piccapHandover");
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if (root)
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playback_json.put(root);
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}
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}
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/* Commands: 0 status, 1 start, 2 stop, 3 getSettings, 4 setSettings. Confirm stopped status before VT reuse. */
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static bool piccap_reply(void *h,void *m,void *ctx){
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(void)h;int command=(int)(intptr_t)ctx;piccap_busy=false;piccap_token=0;
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void *root=playback_json.parse(payload(m));bool ok=playback_true(&playback_json,root,"returnValue");
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if(command==0){
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void *running=playback_field(&playback_json,root,"isRunning");
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if(ok && running && playback_json.type(running)==1){
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bool active=playback_json.boolean(running);
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piccap_connected=playback_true(&playback_json,root,"connected");
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if(active){
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if(capture_source==SOURCE_PICCAP_STARTING)capture_source=SOURCE_PICCAP;
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if(piccap_connected)piccap_disconnected_since=0;
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else if(!piccap_disconnected_since)piccap_disconnected_since=milliseconds();
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}
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else if(capture_source!=SOURCE_PICCAP_STARTING || milliseconds()-piccap_action_at>=2000){
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if(capture_source!=SOURCE_PICCAP_STOPPING)handover_cooldown=milliseconds()+10000;
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piccap_owned=false;capture_source=SOURCE_HISTOGRAM;piccap_connected=false;piccap_disconnected_since=0;
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if(handover_cooldown<milliseconds()+3000)handover_cooldown=milliseconds()+3000;
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if(!retries.paused)retries.due=milliseconds();
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}
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}else if(!piccap_installed()){piccap_owned=false;capture_source=SOURCE_HISTOGRAM;piccap_connected=false;}
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}else if(command==3 && capture_source==SOURCE_PICCAP_STARTING){
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void *port=playback_field(&playback_json,root,"port"),*socket=playback_field(&playback_json,root,"unix-socket");
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bool same=ok && playback_is(&playback_json,root,"address",target_piccap_host(&piccap_target)) && port && playback_json.type(port)==3 && strtoul(playback_json.string(port),NULL,10)==piccap_target.piccap_port && socket && playback_json.type(socket)==1 && !playback_json.boolean(socket);
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if(ok){if(!piccap_request(same?1:4)){capture_source=SOURCE_PICCAP_STOPPING;snprintf(piccap_error,sizeof(piccap_error),"PicCap endpoint request failed");}}
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else {capture_source=SOURCE_PICCAP_STOPPING;snprintf(piccap_error,sizeof(piccap_error),"Cannot read PicCap settings");}
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}else if(command==4){
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if(!ok){capture_source=SOURCE_PICCAP_STOPPING;snprintf(piccap_error,sizeof(piccap_error),"PicCap rejected receiver settings");}
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/* setSettings restarts PicCap itself; status confirms ownership. */
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}else if(command==1 && !ok){capture_source=SOURCE_PICCAP_STOPPING;handover_cooldown=milliseconds()+10000;}
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if(command>=3 && capture_source==SOURCE_PICCAP_STOPPING)handover_cooldown=milliseconds()+10000;
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if(root)playback_json.put(root);
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next_piccap_probe=milliseconds()+500;
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if(command==2)piccap_request(0);
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return true;
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static bool media_reply(void *h, void *m, void *ctx) {
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(void)h;
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(void)ctx;
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media_busy = false;
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media_token = 0;
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protection = playback_classify(&playback_json, payload(m));
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protection_at = milliseconds();
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if (protection == PLAYBACK_CLEAR) {
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if (!clear_samples)
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clear_since = protection_at;
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if (clear_samples < 3)
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clear_samples++;
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unknown_since = 0;
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} else {
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clear_samples = 0;
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clear_since = 0;
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if (protection == PLAYBACK_UNKNOWN && !unknown_since)
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unknown_since = protection_at;
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else if (protection == PLAYBACK_PROTECTED)
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unknown_since = 0;
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}
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return true;
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}
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static bool piccap_request(int command){
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if(piccap_busy)return false;
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const char *uri=command==3?"luna://org.webosbrew.piccap.service/getSettings":command==4?"luna://org.webosbrew.piccap.service/setSettings":command==1?"luna://org.webosbrew.piccap.service/start":command==2?"luna://org.webosbrew.piccap.service/stop":"luna://org.webosbrew.piccap.service/status";
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LSError e;error_init(&e);
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char data[160];snprintf(data,sizeof(data),"{\"address\":\"%s\",\"port\":%u,\"unix-socket\":false}",target_piccap_host(&piccap_target),piccap_target.piccap_port);
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piccap_busy=call_once(service_handle,uri,command==4?data:"{}",piccap_reply,(void*)(intptr_t)command,&piccap_token,&e);
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piccap_deadline=milliseconds()+3000;
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error_free(&e);if(command)piccap_action_at=milliseconds();return piccap_busy;
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/* Commands: 0 status, 1 start, 2 stop, 3 getSettings, 4 setSettings. Confirm stopped status before
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* VT reuse. */
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static bool piccap_reply(void *h, void *m, void *ctx) {
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(void)h;
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int command = (int)(intptr_t)ctx;
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piccap_busy = false;
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piccap_token = 0;
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void *root = playback_json.parse(payload(m));
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bool ok = playback_true(&playback_json, root, "returnValue");
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if (command == 0) {
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void *running = playback_field(&playback_json, root, "isRunning");
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if (ok && running && playback_json.type(running) == 1) {
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bool active = playback_json.boolean(running);
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piccap_connected = playback_true(&playback_json, root, "connected");
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if (active) {
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if (capture_source == SOURCE_PICCAP_STARTING)
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capture_source = SOURCE_PICCAP;
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if (piccap_connected)
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piccap_disconnected_since = 0;
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else if (!piccap_disconnected_since)
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piccap_disconnected_since = milliseconds();
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} else if (capture_source != SOURCE_PICCAP_STARTING ||
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milliseconds() - piccap_action_at >= 2000) {
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if (capture_source != SOURCE_PICCAP_STOPPING)
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handover_cooldown = milliseconds() + 10000;
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piccap_owned = false;
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capture_source = SOURCE_HISTOGRAM;
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piccap_connected = false;
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piccap_disconnected_since = 0;
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if (handover_cooldown < milliseconds() + 3000)
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handover_cooldown = milliseconds() + 3000;
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if (!retries.paused)
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retries.due = milliseconds();
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}
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} else if (!piccap_installed()) {
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piccap_owned = false;
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capture_source = SOURCE_HISTOGRAM;
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piccap_connected = false;
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}
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} else if (command == 3 && capture_source == SOURCE_PICCAP_STARTING) {
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void *port = playback_field(&playback_json, root, "port"),
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*socket = playback_field(&playback_json, root, "unix-socket");
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bool same =
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ok &&
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playback_is(&playback_json, root, "address", target_piccap_host(&piccap_target)) &&
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port && playback_json.type(port) == 3 &&
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strtoul(playback_json.string(port), NULL, 10) == piccap_target.piccap_port && socket &&
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playback_json.type(socket) == 1 && !playback_json.boolean(socket);
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if (ok) {
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if (!piccap_request(same ? 1 : 4)) {
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capture_source = SOURCE_PICCAP_STOPPING;
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snprintf(piccap_error, sizeof(piccap_error), "PicCap endpoint request failed");
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}
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} else {
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capture_source = SOURCE_PICCAP_STOPPING;
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snprintf(piccap_error, sizeof(piccap_error), "Cannot read PicCap settings");
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}
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} else if (command == 4) {
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if (!ok) {
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capture_source = SOURCE_PICCAP_STOPPING;
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snprintf(piccap_error, sizeof(piccap_error), "PicCap rejected receiver settings");
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}
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/* setSettings restarts PicCap itself; status confirms ownership. */
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} else if (command == 1 && !ok) {
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capture_source = SOURCE_PICCAP_STOPPING;
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handover_cooldown = milliseconds() + 10000;
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}
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if (command >= 3 && capture_source == SOURCE_PICCAP_STOPPING)
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handover_cooldown = milliseconds() + 10000;
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if (root)
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playback_json.put(root);
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next_piccap_probe = milliseconds() + 500;
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if (command == 2)
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piccap_request(0);
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return true;
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}
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static bool piccap_request(int command) {
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if (piccap_busy)
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return false;
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const char *uri = command == 3 ? "luna://org.webosbrew.piccap.service/getSettings"
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: command == 4 ? "luna://org.webosbrew.piccap.service/setSettings"
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: command == 1 ? "luna://org.webosbrew.piccap.service/start"
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: command == 2 ? "luna://org.webosbrew.piccap.service/stop"
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: "luna://org.webosbrew.piccap.service/status";
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LSError e;
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error_init(&e);
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char data[160];
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snprintf(data, sizeof(data), "{\"address\":\"%s\",\"port\":%u,\"unix-socket\":false}",
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target_piccap_host(&piccap_target), piccap_target.piccap_port);
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piccap_busy = call_once(service_handle, uri, command == 4 ? data : "{}", piccap_reply,
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(void *)(intptr_t)command, &piccap_token, &e);
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piccap_deadline = milliseconds() + 3000;
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error_free(&e);
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if (command)
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piccap_action_at = milliseconds();
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return piccap_busy;
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}
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/* Return true while PicCap owns capture or a stop confirmation is pending. */
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static bool handover_tick(void){
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uint64_t now=milliseconds();
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if(media_busy && now>=media_deadline){LSError e;error_init(&e);cancel_call(service_handle,media_token,&e);error_free(&e);media_busy=false;media_token=0;protection=PLAYBACK_UNKNOWN;clear_samples=0;clear_since=0;if(!unknown_since)unknown_since=now;}
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if(piccap_busy && now>=piccap_deadline){snprintf(piccap_error,sizeof(piccap_error),"PicCap request timed out");LSError e;error_init(&e);cancel_call(service_handle,piccap_token,&e);error_free(&e);piccap_busy=false;piccap_token=0;capture_source=SOURCE_PICCAP_STOPPING;next_piccap_probe=0;}
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if(handover_enabled && piccap_installed() && !retries.paused && playback_json.lib && !media_busy && now>=next_media_probe){
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LSError e;error_init(&e);
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media_busy=call_once(service_handle,"luna://com.webos.media/getActivePipelines","{}",media_reply,NULL,&media_token,&e);
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media_deadline=now+3000;
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error_free(&e);next_media_probe=now+1000;
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}
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if(protection==PLAYBACK_CLEAR && now-protection_at>=3000){protection=PLAYBACK_UNKNOWN;clear_samples=0;clear_since=0;if(!unknown_since)unknown_since=now;}
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bool session=!CALIBRATION_ACTIVE && handover_enabled && target_piccap_compatible(&target) && piccap_installed() && !retries.paused && !retries.blocked;
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bool clear=session && protection==PLAYBACK_CLEAR && now-protection_at<3000;
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bool stable=clear && clear_samples>=3 && now-clear_since>=CLEAR_STABLE_MS && now>=handover_cooldown;
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if(capture_source==SOURCE_HISTOGRAM && stable){
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piccap_target=target;piccap_error[0]=0;piccap_disconnected_since=now;release_capture(false);retries.due=0;piccap_owned=true;capture_source=SOURCE_PICCAP_STARTING;
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if(!piccap_request(3)){capture_source=SOURCE_PICCAP_STOPPING;handover_cooldown=now+PICCAP_FAILURE_COOLDOWN_MS;}
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}
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bool grace=protection==PLAYBACK_UNKNOWN && unknown_since && now-unknown_since<UNKNOWN_GRACE_MS && capture_source==SOURCE_PICCAP;
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bool lost=piccap_owned && capture_source==SOURCE_PICCAP && piccap_disconnected_since && now-piccap_disconnected_since>=PICCAP_LOSS_MS;
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if(lost){
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snprintf(piccap_error,sizeof(piccap_error),"PicCap receiver disconnected; histogram fallback");piccap_fallbacks++;handover_cooldown=now+PICCAP_FAILURE_COOLDOWN_MS;
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}
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if(piccap_owned && (!session || (!clear && !grace) || lost || strcmp(piccap_target.host,target.host) || piccap_target.piccap_port!=target.piccap_port) && capture_source!=SOURCE_PICCAP_STOPPING){capture_source=SOURCE_PICCAP_STOPPING;next_piccap_probe=0;}
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if(piccap_owned && !piccap_busy && now>=next_piccap_probe){
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if(capture_source==SOURCE_PICCAP_STOPPING)piccap_request(2);else piccap_request(0);
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next_piccap_probe=now+1000;
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}
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return piccap_owned;
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static bool handover_tick(void) {
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uint64_t now = milliseconds();
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if (media_busy && now >= media_deadline) {
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LSError e;
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error_init(&e);
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cancel_call(service_handle, media_token, &e);
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error_free(&e);
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media_busy = false;
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media_token = 0;
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protection = PLAYBACK_UNKNOWN;
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clear_samples = 0;
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clear_since = 0;
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if (!unknown_since)
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unknown_since = now;
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}
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if (piccap_busy && now >= piccap_deadline) {
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snprintf(piccap_error, sizeof(piccap_error), "PicCap request timed out");
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LSError e;
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error_init(&e);
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cancel_call(service_handle, piccap_token, &e);
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error_free(&e);
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piccap_busy = false;
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piccap_token = 0;
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capture_source = SOURCE_PICCAP_STOPPING;
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next_piccap_probe = 0;
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}
|
||||
if (handover_enabled && piccap_installed() && !retries.paused && playback_json.lib &&
|
||||
!media_busy && now >= next_media_probe) {
|
||||
LSError e;
|
||||
error_init(&e);
|
||||
media_busy = call_once(service_handle, "luna://com.webos.media/getActivePipelines", "{}",
|
||||
media_reply, NULL, &media_token, &e);
|
||||
media_deadline = now + 3000;
|
||||
error_free(&e);
|
||||
next_media_probe = now + 1000;
|
||||
}
|
||||
if (protection == PLAYBACK_CLEAR && now - protection_at >= 3000) {
|
||||
protection = PLAYBACK_UNKNOWN;
|
||||
clear_samples = 0;
|
||||
clear_since = 0;
|
||||
if (!unknown_since)
|
||||
unknown_since = now;
|
||||
}
|
||||
bool session = !CALIBRATION_ACTIVE && handover_enabled && target_piccap_compatible(&target) &&
|
||||
piccap_installed() && !retries.paused && !retries.blocked;
|
||||
bool clear = session && protection == PLAYBACK_CLEAR && now - protection_at < 3000;
|
||||
bool stable = clear && clear_samples >= 3 && now - clear_since >= CLEAR_STABLE_MS &&
|
||||
now >= handover_cooldown;
|
||||
if (capture_source == SOURCE_HISTOGRAM && stable) {
|
||||
piccap_target = target;
|
||||
piccap_error[0] = 0;
|
||||
piccap_disconnected_since = now;
|
||||
release_capture(false);
|
||||
retries.due = 0;
|
||||
piccap_owned = true;
|
||||
capture_source = SOURCE_PICCAP_STARTING;
|
||||
if (!piccap_request(3)) {
|
||||
capture_source = SOURCE_PICCAP_STOPPING;
|
||||
handover_cooldown = now + PICCAP_FAILURE_COOLDOWN_MS;
|
||||
}
|
||||
}
|
||||
bool grace = protection == PLAYBACK_UNKNOWN && unknown_since &&
|
||||
now - unknown_since < UNKNOWN_GRACE_MS && capture_source == SOURCE_PICCAP;
|
||||
bool lost = piccap_owned && capture_source == SOURCE_PICCAP && piccap_disconnected_since &&
|
||||
now - piccap_disconnected_since >= PICCAP_LOSS_MS;
|
||||
if (lost) {
|
||||
snprintf(piccap_error, sizeof(piccap_error),
|
||||
"PicCap receiver disconnected; histogram fallback");
|
||||
piccap_fallbacks++;
|
||||
handover_cooldown = now + PICCAP_FAILURE_COOLDOWN_MS;
|
||||
}
|
||||
if (piccap_owned &&
|
||||
(!session || (!clear && !grace) || lost || strcmp(piccap_target.host, target.host) ||
|
||||
piccap_target.piccap_port != target.piccap_port) &&
|
||||
capture_source != SOURCE_PICCAP_STOPPING) {
|
||||
capture_source = SOURCE_PICCAP_STOPPING;
|
||||
next_piccap_probe = 0;
|
||||
}
|
||||
if (piccap_owned && !piccap_busy && now >= next_piccap_probe) {
|
||||
if (capture_source == SOURCE_PICCAP_STOPPING)
|
||||
piccap_request(2);
|
||||
else
|
||||
piccap_request(0);
|
||||
next_piccap_probe = now + 1000;
|
||||
}
|
||||
return piccap_owned;
|
||||
}
|
||||
#endif
|
||||
Reference in new issue
Block a user