37 namespace ArgusSamples
42 : m_state(GST_STATE_NULL)
54 static const char *s_videoEncoderName =
"video encoder";
85 gst_object_unref(
m_p);
112 float frameRate,
const char *fileName,
VideoFormat videoFormat,
117 gst_init(NULL, NULL);
120 m_pipeline = gst_pipeline_new(
"video_pipeline");
122 ORIGINATE_ERROR(
"Failed to create video pipeline");
125 GstElement *videoSource = gst_element_factory_make(
"nveglstreamsrc", NULL);
127 ORIGINATE_ERROR(
"Failed to create capture source element");
129 if (!gst_bin_add(GST_BIN(m_pipeline), videoSource))
130 ORIGINATE_ERROR(
"Failed to add video source to pipeline");
134 g_object_set(G_OBJECT(videoSource),
"eglstream", videoStream, NULL);
137 GstElement *queue = gst_element_factory_make(
"queue", NULL);
139 ORIGINATE_ERROR(
"Failed to create queue");
141 if (!gst_bin_add(GST_BIN(m_pipeline), queue))
142 ORIGINATE_ERROR(
"Failed to add queue to pipeline");
146 GstElement *videoEncoder = NULL;
150 videoEncoder = gst_element_factory_make(
"omxh264enc", s_videoEncoderName);
153 videoEncoder = gst_element_factory_make(
"omxh265enc", s_videoEncoderName);
156 videoEncoder = gst_element_factory_make(
"omxvp8enc", s_videoEncoderName);
159 videoEncoder = gst_element_factory_make(
"omxvp9enc", s_videoEncoderName);
162 ORIGINATE_ERROR(
"Unhandled video format");
165 ORIGINATE_ERROR(
"Failed to create video encoder");
166 unrefer.
set(videoEncoder);
167 if (!gst_bin_add(GST_BIN(m_pipeline), videoEncoder))
168 ORIGINATE_ERROR(
"Failed to add video encoder to pipeline");
176 else if (height < 1080)
178 else if (height <= 2160)
184 g_object_set(G_OBJECT(videoEncoder),
"bitrate", bitRate, NULL);
195 printf(
"\nThe VP9 video format is not supported on Jetson-tx1.\n");
201 printf(
"\nThe video format H265/VP9 is only supported with MKV in current GST version. "
202 "Selecting MKV as container.\n");
206 GstElement *videoMuxer = NULL;
207 switch (videoFileType)
210 videoMuxer = gst_element_factory_make(
"qtmux", NULL);
213 videoMuxer = gst_element_factory_make(
"3gppmux", NULL);
216 videoMuxer = gst_element_factory_make(
"avimux", NULL);
219 videoMuxer = gst_element_factory_make(
"matroskamux", NULL);
222 videoMuxer = gst_element_factory_make(
"identity", NULL);
225 ORIGINATE_ERROR(
"Unhandled video file type");
228 ORIGINATE_ERROR(
"Failed to create video muxer");
229 unrefer.
set(videoMuxer);
230 if (!gst_bin_add(GST_BIN(m_pipeline), videoMuxer))
231 ORIGINATE_ERROR(
"Failed to add video muxer to pipeline");
235 GstElement *videoSink = gst_element_factory_make(
"filesink", NULL);
237 ORIGINATE_ERROR(
"Failed to create video sink");
238 unrefer.
set(videoSink);
239 if (!gst_bin_add(GST_BIN(m_pipeline), videoSink))
240 ORIGINATE_ERROR(
"Failed to add video sink to pipeline");
244 std::string videoFileName(fileName);
245 if (videoFileName !=
"/dev/null")
247 videoFileName +=
".";
251 g_object_set(G_OBJECT(videoSink),
"location", videoFileName.c_str(), NULL);
256 if (frameRate == 0.0f)
260 GstCaps *caps = gst_caps_new_simple(
"video/x-raw",
261 "format", G_TYPE_STRING,
"I420",
262 "width", G_TYPE_INT, width,
263 "height", G_TYPE_INT, height,
264 "framerate", GST_TYPE_FRACTION, static_cast<gint>(frameRate * 100.f), 100,
267 ORIGINATE_ERROR(
"Failed to create caps");
269 GstCapsFeatures *feature = gst_caps_features_new(
"memory:NVMM", NULL);
272 gst_caps_unref(caps);
273 ORIGINATE_ERROR(
"Failed to create caps feature");
276 gst_caps_set_features(caps, 0, feature);
279 if (!gst_element_link_filtered(videoSource, queue, caps))
281 gst_caps_unref(caps);
282 ORIGINATE_ERROR(
"Failed to link source to queue");
284 gst_caps_unref(caps);
287 if (!gst_element_link(queue, videoEncoder))
288 ORIGINATE_ERROR(
"Failed to link queue to encoder");
294 if (!gst_element_link(videoEncoder, videoMuxer))
295 ORIGINATE_ERROR(
"Failed to link encoder to muxer");
299 if (!gst_element_link_pads(videoEncoder,
"src", videoMuxer,
"video_%u"))
300 ORIGINATE_ERROR(
"Failed to link encoder to muxer pad");
304 if (!gst_element_link(videoMuxer, videoSink))
305 ORIGINATE_ERROR(
"Failed to link muxer to sink");
308 #else // GST_SUPPORTED
309 ORIGINATE_ERROR(
"Not supported");
310 #endif // GST_SUPPORTED
317 static bool objectModifyFlags(GObject *obj,
const char *flagName,
const char *valueName,
bool set)
320 GParamSpec **spec = g_object_class_list_properties(G_OBJECT_GET_CLASS(obj), &count);
322 for (guint index = 0; index < count; ++index)
324 GParamSpec *param = spec[index];
325 if (strcmp(param->name, flagName) == 0)
327 if (!G_IS_PARAM_SPEC_FLAGS(param))
328 ORIGINATE_ERROR(
"Param '%s' is not a flag", flagName);
330 GParamSpecFlags *pflags = G_PARAM_SPEC_FLAGS(param);
331 GFlagsValue *value = g_flags_get_value_by_nick(pflags->flags_class, valueName);
333 ORIGINATE_ERROR(
"Value '%s' of flag '%s' not found", valueName, flagName);
336 g_object_get(obj, flagName, &flags, NULL);
338 flags |= value->value;
340 flags &= ~value->value;
341 g_object_set(obj, flagName, flags, NULL);
347 ORIGINATE_ERROR(
"Param '%s' not found", flagName);
349 #endif // GST_SUPPORTED
355 gst_init(NULL, NULL);
358 m_pipeline = gst_element_factory_make(
"playbin",
"play");
360 ORIGINATE_ERROR(
"Failed to create playback pipeline");
363 char *uri = gst_filename_to_uri(fileName, NULL);
364 g_object_set(G_OBJECT(m_pipeline),
"uri", uri, NULL);
368 PROPAGATE_ERROR(objectModifyFlags(G_OBJECT(m_pipeline),
"flags",
"text",
false));
369 PROPAGATE_ERROR(objectModifyFlags(G_OBJECT(m_pipeline),
"flags",
"native-video",
true));
372 GstElement *audioSink = gst_element_factory_make(
"autoaudiosink",
"audio_sink");
374 ORIGINATE_ERROR(
"Failed to create audio sink");
377 g_object_set(G_OBJECT(m_pipeline),
"audio-sink", audioSink, NULL);
380 GstElement *videoSinkBin = gst_bin_new(
"video_sink_bin");
382 ORIGINATE_ERROR(
"Failed to create video sink bin");
385 g_object_set(G_OBJECT(m_pipeline),
"video-sink", videoSinkBin, NULL);
388 GstElement *videoConvert = gst_element_factory_make(
"nvvidconv",
"video converter");
390 ORIGINATE_ERROR(
"Failed to create video converter");
392 if (!gst_bin_add(GST_BIN(videoSinkBin), videoConvert))
393 ORIGINATE_ERROR(
"Failed to add video convert to video sink bin");
397 GstElement *videoSink = gst_element_factory_make(
"nvvideosink",
"video sink");
399 ORIGINATE_ERROR(
"Failed to create video sink");
400 unrefer.
set(videoSink);
401 if (!gst_bin_add(GST_BIN(videoSinkBin), videoSink))
402 ORIGINATE_ERROR(
"Failed to add video sink to video sink bin");
408 *videoStream = EGL_NO_STREAM_KHR;
409 g_object_get(G_OBJECT(videoSink),
"stream", videoStream, NULL);
410 if (*videoStream == EGL_NO_STREAM_KHR)
411 ORIGINATE_ERROR(
"Failed to get EGL stream from video sink");
413 if (!gst_element_link(videoConvert, videoSink))
414 ORIGINATE_ERROR(
"Failed to link video convert to video sink");
417 GstPad *pad = gst_element_get_static_pad(videoConvert,
"sink");
419 ORIGINATE_ERROR(
"Failed to get sink pad of video convert");
421 GstPad *ghostPad = gst_ghost_pad_new(
"sink", pad);
423 ORIGINATE_ERROR(
"Failed to create the ghost pad");
425 if (!gst_pad_set_active(ghostPad, TRUE))
426 ORIGINATE_ERROR(
"Failed to set pad active");
427 if (!gst_element_add_pad(videoSinkBin, ghostPad))
428 ORIGINATE_ERROR(
"Failed to add pad");
433 #else // GST_SUPPORTED
434 ORIGINATE_ERROR(
"Not supported");
435 #endif // GST_SUPPORTED
442 ORIGINATE_ERROR(
"Video pipeline is not set up");
444 if (m_state != GST_STATE_PLAYING)
447 if (gst_element_set_state(m_pipeline, GST_STATE_PLAYING) == GST_STATE_CHANGE_FAILURE)
448 ORIGINATE_ERROR(
"Failed to set playing state");
450 m_state = GST_STATE_PLAYING;
459 GST_DEBUG_BIN_TO_DOT_FILE_WITH_TS(GST_BIN(m_pipeline),
460 GST_DEBUG_GRAPH_SHOW_ALL,
"argus_camera");
464 #else // GST_SUPPORTED
465 ORIGINATE_ERROR(
"Not supported");
466 #endif // GST_SUPPORTED
473 ORIGINATE_ERROR(
"Video pipeline is not set up");
475 if (m_state != GST_STATE_PAUSED)
477 if (gst_element_set_state(m_pipeline, GST_STATE_PAUSED) == GST_STATE_CHANGE_FAILURE)
478 ORIGINATE_ERROR(
"Failed to set pause state");
479 m_state = GST_STATE_PAUSED;
483 #else // GST_SUPPORTED
484 ORIGINATE_ERROR(
"Not supported");
485 #endif // GST_SUPPORTED
493 ORIGINATE_ERROR(
"Video pipeline is not set up");
495 GstState newState = GST_STATE_NULL;
496 if (m_state == GST_STATE_PLAYING)
497 newState = GST_STATE_PAUSED;
498 else if (m_state == GST_STATE_PAUSED)
499 newState = GST_STATE_PLAYING;
501 ORIGINATE_ERROR(
"Invalid state");
503 if (gst_element_set_state(m_pipeline, newState) == GST_STATE_CHANGE_FAILURE)
504 ORIGINATE_ERROR(
"Failed to set pause state");
509 #else // GST_SUPPORTED
510 ORIGINATE_ERROR(
"Not supported");
511 #endif // GST_SUPPORTED
518 ORIGINATE_ERROR(
"Video pipeline is not set up");
520 if (!gst_element_seek_simple(m_pipeline, GST_FORMAT_TIME,
521 static_cast<GstSeekFlags>(GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_KEY_UNIT), 0))
523 ORIGINATE_ERROR(
"Failed to rewind");
527 #else // GST_SUPPORTED
528 ORIGINATE_ERROR(
"Not supported");
529 #endif // GST_SUPPORTED
536 ORIGINATE_ERROR(
"Video pipeline is not set up");
538 if ((m_state == GST_STATE_PLAYING) || (m_state == GST_STATE_PAUSED))
541 GstElement *videoEncoder = gst_bin_get_by_name(GST_BIN(m_pipeline), s_videoEncoderName);
545 GstPad *pad = gst_element_get_static_pad(videoEncoder,
"sink");
547 ORIGINATE_ERROR(
"Failed to get 'sink' pad");
549 if (!gst_pad_send_event(pad, gst_event_new_eos()))
550 ORIGINATE_ERROR(
"Failed to send end of stream event encoder");
554 GstBus *bus = gst_pipeline_get_bus(GST_PIPELINE(m_pipeline));
556 ORIGINATE_ERROR(
"Failed to get bus");
558 if (!gst_bus_poll(bus, GST_MESSAGE_EOS, GST_CLOCK_TIME_NONE))
559 ORIGINATE_ERROR(
"Failed to wait for the eof event");
564 if (gst_element_set_state(m_pipeline, GST_STATE_NULL) != GST_STATE_CHANGE_SUCCESS)
565 ORIGINATE_ERROR(
"Failed to stop pipeline");
567 m_state = GST_STATE_NULL;
571 #else // GST_SUPPORTED
572 ORIGINATE_ERROR(
"Not supported");
573 #endif // GST_SUPPORTED
581 PROPAGATE_ERROR(
stop());
584 gst_object_unref(GST_OBJECT(m_pipeline));
590 #else // GST_SUPPORTED
591 ORIGINATE_ERROR(
"Not supported");
592 #endif // GST_SUPPORTED
613 return "Unhandled video file type";
618 if (aspectRatio == NULL)
619 ORIGINATE_ERROR(
"'aspectRatio' is NULL");
621 if ((m_state != GST_STATE_PLAYING) && (m_state != GST_STATE_PAUSED))
622 ORIGINATE_ERROR(
"Must be in paused or playing state.");
624 GstState state = GST_STATE_NULL;
625 while ((state != GST_STATE_PLAYING) && (state != GST_STATE_PAUSED))
627 if (gst_element_get_state(m_pipeline, &state, NULL, GST_CLOCK_TIME_NONE) ==
628 GST_STATE_CHANGE_FAILURE)
630 ORIGINATE_ERROR(
"gst_element_get_state failed");
635 GstElement *videoSink;
636 g_object_get(m_pipeline,
"video-sink", &videoSink, NULL);
638 ORIGINATE_ERROR(
"Failed to get video-sink");
641 GstPad *videoSinkPad = gst_element_get_static_pad(videoSink,
"sink");
643 ORIGINATE_ERROR(
"Failed to get video-sink pad");
645 GstCaps *caps = gst_pad_get_current_caps(videoSinkPad);
647 ORIGINATE_ERROR(
"Failed to get video-sink pad caps");
651 GstStructure *structure = gst_caps_get_structure(caps, 0);
654 gst_caps_unref(caps);
655 ORIGINATE_ERROR(
"Failed to get caps structure");
659 gint pixelAspectRatioNumerator, pixelAspectRatioDenominator;
661 if (!gst_structure_get_int(structure,
"width", &width) ||
662 !gst_structure_get_int(structure,
"height", &height) ||
663 !gst_structure_get_fraction(structure,
"pixel-aspect-ratio",
664 &pixelAspectRatioNumerator, &pixelAspectRatioDenominator))
666 gst_caps_unref(caps);
667 ORIGINATE_ERROR(
"Failed to get structure values");
670 *aspectRatio = (float)width / (
float)height;
671 *aspectRatio *= (float)pixelAspectRatioNumerator / (
float)pixelAspectRatioDenominator;
673 gst_caps_unref(caps);
676 #else // GST_SUPPORTED
677 ORIGINATE_ERROR(
"Not supported");
678 #endif // GST_SUPPORTED