38 namespace ArgusSamples
43 : m_state(GST_STATE_NULL)
55 static const char *s_videoEncoderName =
"video encoder";
86 gst_object_unref(
m_p);
113 float frameRate,
const char *fileName,
VideoFormat videoFormat,
115 bool enableTwoPassCBR)
119 std::string videoFileName(fileName);
120 if (videoFileName !=
"/dev/null")
122 videoFileName +=
".";
128 gst_init(NULL, NULL);
131 m_pipeline = gst_pipeline_new(
"video_pipeline");
133 ORIGINATE_ERROR(
"Failed to create video pipeline");
136 GstElement *videoSource = gst_element_factory_make(
"nveglstreamsrc", NULL);
138 ORIGINATE_ERROR(
"Failed to create capture source element");
140 if (!gst_bin_add(GST_BIN(m_pipeline), videoSource))
141 ORIGINATE_ERROR(
"Failed to add video source to pipeline");
145 g_object_set(G_OBJECT(videoSource),
"eglstream", videoStream, NULL);
148 GstElement *queue = gst_element_factory_make(
"queue", NULL);
150 ORIGINATE_ERROR(
"Failed to create queue");
152 if (!gst_bin_add(GST_BIN(m_pipeline), queue))
153 ORIGINATE_ERROR(
"Failed to add queue to pipeline");
157 GstElement *videoEncoder = NULL;
161 videoEncoder = gst_element_factory_make(
"nvv4l2h264enc", s_videoEncoderName);
164 videoEncoder = gst_element_factory_make(
"nvv4l2h265enc", s_videoEncoderName);
167 printf(
"\n***vp8 encode is not supported for Jetson-Xavier & beyond\n");
168 videoEncoder = gst_element_factory_make(
"nvv4l2vp8enc", s_videoEncoderName);
171 videoEncoder = gst_element_factory_make(
"nvv4l2vp9enc", s_videoEncoderName);
174 ORIGINATE_ERROR(
"Unhandled video format");
177 ORIGINATE_ERROR(
"Failed to create video encoder");
178 unrefer.
set(videoEncoder);
179 if (!gst_bin_add(GST_BIN(m_pipeline), videoEncoder))
180 ORIGINATE_ERROR(
"Failed to add video encoder to pipeline");
188 else if (height < 1080)
190 else if (height <= 2160)
196 g_object_set(G_OBJECT(videoEncoder),
"bitrate", bitRate, NULL);
197 g_object_set(G_OBJECT(videoEncoder),
"control-rate", controlRate, NULL);
198 g_object_set(G_OBJECT(videoEncoder),
"EnableTwopassCBR", enableTwoPassCBR, NULL);
204 const uint32_t WIDTH_4K = 3840;
207 ORIGINATE_ERROR(
"\n Resolution > 4k requires videoformat H265 \n");
218 printf(
"\nThe VP9 video format is not supported on Jetson-tx1.\n");
224 printf(
"\nThe 3GP is only supported with H264 in current GST version. "
225 "Selecting other containers.\n");
229 GstElement *videoParse = NULL;
233 videoParse = gst_element_factory_make(
"h264parse", NULL);
235 ORIGINATE_ERROR(
"Failed to create video parser");
238 videoParse = gst_element_factory_make(
"h265parse", NULL);
240 ORIGINATE_ERROR(
"Failed to create video parser");
246 ORIGINATE_ERROR(
"Unhandled video file type");
250 unrefer.
set(videoParse);
251 if (!gst_bin_add(GST_BIN(m_pipeline), videoParse))
252 ORIGINATE_ERROR(
"Failed to add video parser to pipeline");
256 GstElement *videoMuxer = NULL;
257 switch (videoFileType)
260 videoMuxer = gst_element_factory_make(
"qtmux", NULL);
263 videoMuxer = gst_element_factory_make(
"3gppmux", NULL);
266 videoMuxer = gst_element_factory_make(
"avimux", NULL);
269 videoMuxer = gst_element_factory_make(
"matroskamux", NULL);
272 ORIGINATE_ERROR(
"Unhandled video file type");
275 ORIGINATE_ERROR(
"Failed to create video muxer");
276 unrefer.
set(videoMuxer);
277 if (!gst_bin_add(GST_BIN(m_pipeline), videoMuxer))
278 ORIGINATE_ERROR(
"Failed to add video muxer to pipeline");
282 GstElement *videoSink = gst_element_factory_make(
"filesink", NULL);
284 ORIGINATE_ERROR(
"Failed to create video sink");
285 unrefer.
set(videoSink);
286 if (!gst_bin_add(GST_BIN(m_pipeline), videoSink))
287 ORIGINATE_ERROR(
"Failed to add video sink to pipeline");
290 g_object_set(G_OBJECT(videoSink),
"location", videoFileName.c_str(), NULL);
295 if (frameRate == 0.0f)
299 GstCaps *caps = gst_caps_new_simple(
"video/x-raw",
300 "format", G_TYPE_STRING,
"NV12",
301 "width", G_TYPE_INT, width,
302 "height", G_TYPE_INT, height,
303 "framerate", GST_TYPE_FRACTION, static_cast<gint>(frameRate * 100.f), 100,
306 ORIGINATE_ERROR(
"Failed to create caps");
308 GstCapsFeatures *feature = gst_caps_features_new(
"memory:NVMM", NULL);
311 gst_caps_unref(caps);
312 ORIGINATE_ERROR(
"Failed to create caps feature");
315 gst_caps_set_features(caps, 0, feature);
318 if (!gst_element_link_filtered(videoSource, queue, caps))
320 gst_caps_unref(caps);
321 ORIGINATE_ERROR(
"Failed to link source to queue");
323 gst_caps_unref(caps);
326 if (!gst_element_link(queue, videoEncoder))
327 ORIGINATE_ERROR(
"Failed to link queue to encoder");
332 if (!gst_element_link(videoEncoder, videoParse))
333 ORIGINATE_ERROR(
"Failed to link encoder to parser");
335 if (!gst_element_link(videoParse, videoMuxer))
336 ORIGINATE_ERROR(
"Failed to link parser to muxer");
340 if (!gst_element_link(videoEncoder, videoMuxer))
341 ORIGINATE_ERROR(
"Failed to link encoder to muxer");
345 if (!gst_element_link(videoMuxer, videoSink))
346 ORIGINATE_ERROR(
"Failed to link muxer to sink");
349 #else // GST_SUPPORTED
350 ORIGINATE_ERROR(
"Not supported");
351 #endif // GST_SUPPORTED
358 static bool objectModifyFlags(GObject *obj,
const char *flagName,
const char *valueName,
bool set)
361 GParamSpec **spec = g_object_class_list_properties(G_OBJECT_GET_CLASS(obj), &count);
363 for (guint index = 0; index < count; ++index)
365 GParamSpec *param = spec[index];
366 if (strcmp(param->name, flagName) == 0)
368 if (!G_IS_PARAM_SPEC_FLAGS(param))
369 ORIGINATE_ERROR(
"Param '%s' is not a flag", flagName);
371 GParamSpecFlags *pflags = G_PARAM_SPEC_FLAGS(param);
372 GFlagsValue *value = g_flags_get_value_by_nick(pflags->flags_class, valueName);
374 ORIGINATE_ERROR(
"Value '%s' of flag '%s' not found", valueName, flagName);
377 g_object_get(obj, flagName, &flags, NULL);
379 flags |= value->value;
381 flags &= ~value->value;
382 g_object_set(obj, flagName, flags, NULL);
388 ORIGINATE_ERROR(
"Param '%s' not found", flagName);
390 #endif // GST_SUPPORTED
396 gst_init(NULL, NULL);
399 m_pipeline = gst_element_factory_make(
"playbin",
"play");
401 ORIGINATE_ERROR(
"Failed to create playback pipeline");
404 char *uri = gst_filename_to_uri(fileName, NULL);
405 g_object_set(G_OBJECT(m_pipeline),
"uri", uri, NULL);
409 PROPAGATE_ERROR(objectModifyFlags(G_OBJECT(m_pipeline),
"flags",
"text",
false));
410 PROPAGATE_ERROR(objectModifyFlags(G_OBJECT(m_pipeline),
"flags",
"native-video",
true));
413 GstElement *audioSink = gst_element_factory_make(
"autoaudiosink",
"audio_sink");
415 ORIGINATE_ERROR(
"Failed to create audio sink");
418 g_object_set(G_OBJECT(m_pipeline),
"audio-sink", audioSink, NULL);
421 GstElement *videoSinkBin = gst_bin_new(
"video_sink_bin");
423 ORIGINATE_ERROR(
"Failed to create video sink bin");
426 g_object_set(G_OBJECT(m_pipeline),
"video-sink", videoSinkBin, NULL);
429 GstElement *videoConvert = gst_element_factory_make(
"nvvidconv",
"video converter");
431 ORIGINATE_ERROR(
"Failed to create video converter");
433 if (!gst_bin_add(GST_BIN(videoSinkBin), videoConvert))
434 ORIGINATE_ERROR(
"Failed to add video convert to video sink bin");
438 GstElement *videoSink = gst_element_factory_make(
"nvvideosink",
"video sink");
440 ORIGINATE_ERROR(
"Failed to create video sink");
441 unrefer.
set(videoSink);
442 if (!gst_bin_add(GST_BIN(videoSinkBin), videoSink))
443 ORIGINATE_ERROR(
"Failed to add video sink to video sink bin");
449 *videoStream = EGL_NO_STREAM_KHR;
450 g_object_get(G_OBJECT(videoSink),
"stream", videoStream, NULL);
451 if (*videoStream == EGL_NO_STREAM_KHR)
452 ORIGINATE_ERROR(
"Failed to get EGL stream from video sink");
454 if (!gst_element_link(videoConvert, videoSink))
455 ORIGINATE_ERROR(
"Failed to link video convert to video sink");
458 GstPad *pad = gst_element_get_static_pad(videoConvert,
"sink");
460 ORIGINATE_ERROR(
"Failed to get sink pad of video convert");
462 GstPad *ghostPad = gst_ghost_pad_new(
"sink", pad);
464 ORIGINATE_ERROR(
"Failed to create the ghost pad");
466 if (!gst_pad_set_active(ghostPad, TRUE))
467 ORIGINATE_ERROR(
"Failed to set pad active");
468 if (!gst_element_add_pad(videoSinkBin, ghostPad))
469 ORIGINATE_ERROR(
"Failed to add pad");
474 #else // GST_SUPPORTED
475 ORIGINATE_ERROR(
"Not supported");
476 #endif // GST_SUPPORTED
483 ORIGINATE_ERROR(
"Video pipeline is not set up");
485 if (m_state != GST_STATE_PLAYING)
488 if (gst_element_set_state(m_pipeline, GST_STATE_PLAYING) == GST_STATE_CHANGE_FAILURE)
489 ORIGINATE_ERROR(
"Failed to set playing state");
491 m_state = GST_STATE_PLAYING;
500 GST_DEBUG_BIN_TO_DOT_FILE_WITH_TS(GST_BIN(m_pipeline),
501 GST_DEBUG_GRAPH_SHOW_ALL,
"argus_camera");
505 #else // GST_SUPPORTED
506 ORIGINATE_ERROR(
"Not supported");
507 #endif // GST_SUPPORTED
514 ORIGINATE_ERROR(
"Video pipeline is not set up");
516 if (m_state != GST_STATE_PAUSED)
518 if (gst_element_set_state(m_pipeline, GST_STATE_PAUSED) == GST_STATE_CHANGE_FAILURE)
519 ORIGINATE_ERROR(
"Failed to set pause state");
520 m_state = GST_STATE_PAUSED;
524 #else // GST_SUPPORTED
525 ORIGINATE_ERROR(
"Not supported");
526 #endif // GST_SUPPORTED
534 ORIGINATE_ERROR(
"Video pipeline is not set up");
536 GstState newState = GST_STATE_NULL;
537 if (m_state == GST_STATE_PLAYING)
538 newState = GST_STATE_PAUSED;
539 else if (m_state == GST_STATE_PAUSED)
540 newState = GST_STATE_PLAYING;
542 ORIGINATE_ERROR(
"Invalid state");
544 if (gst_element_set_state(m_pipeline, newState) == GST_STATE_CHANGE_FAILURE)
545 ORIGINATE_ERROR(
"Failed to set pause state");
550 #else // GST_SUPPORTED
551 ORIGINATE_ERROR(
"Not supported");
552 #endif // GST_SUPPORTED
559 ORIGINATE_ERROR(
"Video pipeline is not set up");
561 if (!gst_element_seek_simple(m_pipeline, GST_FORMAT_TIME,
562 static_cast<GstSeekFlags>(GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_KEY_UNIT), 0))
564 ORIGINATE_ERROR(
"Failed to rewind");
568 #else // GST_SUPPORTED
569 ORIGINATE_ERROR(
"Not supported");
570 #endif // GST_SUPPORTED
577 ORIGINATE_ERROR(
"Video pipeline is not set up");
579 if ((m_state == GST_STATE_PLAYING) || (m_state == GST_STATE_PAUSED))
582 GstElement *videoEncoder = gst_bin_get_by_name(GST_BIN(m_pipeline), s_videoEncoderName);
586 GstPad *pad = gst_element_get_static_pad(videoEncoder,
"sink");
588 ORIGINATE_ERROR(
"Failed to get 'sink' pad");
590 if (!gst_pad_send_event(pad, gst_event_new_eos()))
591 ORIGINATE_ERROR(
"Failed to send end of stream event encoder");
595 GstBus *bus = gst_pipeline_get_bus(GST_PIPELINE(m_pipeline));
597 ORIGINATE_ERROR(
"Failed to get bus");
599 if (!gst_bus_poll(bus, GST_MESSAGE_EOS, GST_CLOCK_TIME_NONE))
600 ORIGINATE_ERROR(
"Failed to wait for the eof event");
605 if (gst_element_set_state(m_pipeline, GST_STATE_NULL) != GST_STATE_CHANGE_SUCCESS)
606 ORIGINATE_ERROR(
"Failed to stop pipeline");
608 m_state = GST_STATE_NULL;
612 #else // GST_SUPPORTED
613 ORIGINATE_ERROR(
"Not supported");
614 #endif // GST_SUPPORTED
622 PROPAGATE_ERROR(
stop());
625 gst_object_unref(GST_OBJECT(m_pipeline));
631 #else // GST_SUPPORTED
632 ORIGINATE_ERROR(
"Not supported");
633 #endif // GST_SUPPORTED
654 return "Unhandled video file type";
659 if (aspectRatio == NULL)
660 ORIGINATE_ERROR(
"'aspectRatio' is NULL");
662 if ((m_state != GST_STATE_PLAYING) && (m_state != GST_STATE_PAUSED))
663 ORIGINATE_ERROR(
"Must be in paused or playing state.");
665 GstState state = GST_STATE_NULL;
666 while ((state != GST_STATE_PLAYING) && (state != GST_STATE_PAUSED))
668 if (gst_element_get_state(m_pipeline, &state, NULL, GST_CLOCK_TIME_NONE) ==
669 GST_STATE_CHANGE_FAILURE)
671 ORIGINATE_ERROR(
"gst_element_get_state failed");
676 GstElement *videoSink;
677 g_object_get(m_pipeline,
"video-sink", &videoSink, NULL);
679 ORIGINATE_ERROR(
"Failed to get video-sink");
682 GstPad *videoSinkPad = gst_element_get_static_pad(videoSink,
"sink");
684 ORIGINATE_ERROR(
"Failed to get video-sink pad");
686 GstCaps *caps = gst_pad_get_current_caps(videoSinkPad);
688 ORIGINATE_ERROR(
"Failed to get video-sink pad caps");
692 GstStructure *structure = gst_caps_get_structure(caps, 0);
695 gst_caps_unref(caps);
696 ORIGINATE_ERROR(
"Failed to get caps structure");
700 gint pixelAspectRatioNumerator, pixelAspectRatioDenominator;
702 if (!gst_structure_get_int(structure,
"width", &width) ||
703 !gst_structure_get_int(structure,
"height", &height) ||
704 !gst_structure_get_fraction(structure,
"pixel-aspect-ratio",
705 &pixelAspectRatioNumerator, &pixelAspectRatioDenominator))
707 gst_caps_unref(caps);
708 ORIGINATE_ERROR(
"Failed to get structure values");
711 *aspectRatio = (float)width / (
float)height;
712 *aspectRatio *= (float)pixelAspectRatioNumerator / (
float)pixelAspectRatioDenominator;
714 gst_caps_unref(caps);
717 #else // GST_SUPPORTED
718 ORIGINATE_ERROR(
"Not supported");
719 #endif // GST_SUPPORTED
726 #else // GST_SUPPORTED
728 #endif // GST_SUPPORTED