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fix(kvs/sink_gstreamer_sample): Use videotestsrc and add additional debug logging #1047

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merged 5 commits into from
Aug 24, 2023
Merged

fix(kvs/sink_gstreamer_sample): Use videotestsrc and add additional debug logging #1047

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a065396
Switch from autovideosrc to videotestsrc and add additional debug log…
sirknightj Aug 16, 2023
03763a1
Add null check for ksvideosrc and adjust comments
sirknightj Aug 17, 2023
65b0159
Revise logging again
sirknightj Aug 18, 2023
7842b4c
Exit early if one of the elements cant be created, log which one
sirknightj Aug 18, 2023
8df715a
Check return value of gstreamer_init
sirknightj Aug 22, 2023
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52 changes: 48 additions & 4 deletions samples/kvs_gstreamer_sample.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -441,8 +441,10 @@ static bool format_supported_by_source(GstCaps *src_caps, GstCaps *query_caps, i
static bool resolution_supported(GstCaps *src_caps, GstCaps *query_caps_raw, GstCaps *query_caps_h264,
CustomData &data, int width, int height, int framerate) {
if (query_caps_h264 && format_supported_by_source(src_caps, query_caps_h264, width, height, framerate)) {
LOG_DEBUG("src supports h264")
data.h264_stream_supported = true;
} else if (query_caps_raw && format_supported_by_source(src_caps, query_caps_raw, width, height, framerate)) {
LOG_DEBUG("src supports raw")
data.h264_stream_supported = false;
} else {
return false;
Expand Down Expand Up @@ -687,28 +689,66 @@ int gstreamer_live_source_init(int argc, char* argv[], CustomData *data, GstElem
gst-launch-1.0 v4l2src device=/dev/video0 ! video/x-raw,format=I420,width=1280,height=720,framerate=15/1 ! x264enc pass=quant bframes=0 ! video/x-h264,profile=baseline,format=I420,width=1280,height=720,framerate=15/1 ! matroskamux ! filesink location=test.mkv
*/
source_filter = gst_element_factory_make("capsfilter", "source_filter");
if (!source_filter) {
LOG_ERROR("Failed to create capsfilter (1)");
return 1;
}
filter = gst_element_factory_make("capsfilter", "encoder_filter");
if (!filter) {
LOG_ERROR("Failed to create capsfilter (2)");
return 1;
}
appsink = gst_element_factory_make("appsink", "appsink");
if (!appsink) {
LOG_ERROR("Failed to create appsink");
return 1;
}
h264parse = gst_element_factory_make("h264parse", "h264parse"); // needed to enforce avc stream format
if (!h264parse) {
LOG_ERROR("Failed to create h264parse");
return 1;
}

// Attempt to create vtenc encoder
encoder = gst_element_factory_make("vtenc_h264_hw", "encoder");
if (encoder) {
source = gst_element_factory_make("autovideosrc", "source");
vtenc = true;
source = gst_element_factory_make("videotestsrc", "source");
if (source) {
LOG_DEBUG("Using videotestsrc");
} else {
LOG_ERROR("Failed to create videotestsrc");
return 1;
}
} else {
// Failed creating vtenc - check pi hardware encoder
encoder = gst_element_factory_make("omxh264enc", "encoder");
if (encoder) {
LOG_DEBUG("Using omxh264enc");
isOnRpi = true;
} else {
// - attempt x264enc
encoder = gst_element_factory_make("x264enc", "encoder");
isOnRpi = false;
encoder = gst_element_factory_make("x264enc", "encoder");
if (encoder) {
LOG_DEBUG("Using x264enc");
} else {
LOG_ERROR("Failed to create x264enc");
return 1;
}
}
source = gst_element_factory_make("v4l2src", "source");
if (!source) {
if (source) {
LOG_DEBUG("Using v4l2src");
} else {
LOG_DEBUG("Failed to create v4l2src, trying ksvideosrc")
source = gst_element_factory_make("ksvideosrc", "source");
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if (source) {
LOG_DEBUG("Using ksvideosrc");
} else {
LOG_ERROR("Failed to create ksvideosrc");
return 1;
}
}
vtenc = false;
}
Expand All @@ -719,7 +759,9 @@ int gstreamer_live_source_init(int argc, char* argv[], CustomData *data, GstElem
}

/* configure source */
if (!vtenc) {
if (vtenc) {
g_object_set(G_OBJECT (source), "is-live", TRUE, NULL);
} else {
g_object_set(G_OBJECT (source), "do-timestamp", TRUE, "device", "/dev/video0", NULL);
}

Expand Down Expand Up @@ -833,6 +875,7 @@ int gstreamer_live_source_init(int argc, char* argv[], CustomData *data, GstElem

/* build the pipeline */
if (!data->h264_stream_supported) {
LOG_DEBUG("Constructing pipeline with encoding element")
gst_bin_add_many(GST_BIN (pipeline), source, video_convert, source_filter, encoder, h264parse, filter,
appsink, NULL);
if (!gst_element_link_many(source, video_convert, source_filter, encoder, h264parse, filter, appsink, NULL)) {
Expand All @@ -841,6 +884,7 @@ int gstreamer_live_source_init(int argc, char* argv[], CustomData *data, GstElem
return 1;
}
} else {
LOG_DEBUG("Constructing pipeline without encoding element")
gst_bin_add_many(GST_BIN (pipeline), source, source_filter, h264parse, filter, appsink, NULL);
if (!gst_element_link_many(source, source_filter, h264parse, filter, appsink, NULL)) {
g_printerr("Elements could not be linked.\n");
Expand Down
52 changes: 48 additions & 4 deletions samples/kvssink_gstreamer_sample.cpp
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Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -145,8 +145,10 @@ static bool format_supported_by_source(GstCaps *src_caps, GstCaps *query_caps, i
static bool resolution_supported(GstCaps *src_caps, GstCaps *query_caps_raw, GstCaps *query_caps_h264,
CustomData &data, int width, int height, int framerate) {
if (query_caps_h264 && format_supported_by_source(src_caps, query_caps_h264, width, height, framerate)) {
LOG_DEBUG("src supports h264")
data.h264_stream_supported = true;
} else if (query_caps_raw && format_supported_by_source(src_caps, query_caps_raw, width, height, framerate)) {
LOG_DEBUG("src supports raw")
data.h264_stream_supported = false;
} else {
return false;
Expand Down Expand Up @@ -333,28 +335,66 @@ int gstreamer_live_source_init(int argc, char *argv[], CustomData *data, GstElem

/* create the elemnents */
source_filter = gst_element_factory_make("capsfilter", "source_filter");
if (!source_filter) {
LOG_ERROR("Failed to create capsfilter (1)");
return 1;
}
filter = gst_element_factory_make("capsfilter", "encoder_filter");
if (!filter) {
LOG_ERROR("Failed to create capsfilter (2)");
return 1;
}
kvssink = gst_element_factory_make("kvssink", "kvssink");
if (!kvssink) {
LOG_ERROR("Failed to create kvssink");
return 1;
}
h264parse = gst_element_factory_make("h264parse", "h264parse"); // needed to enforce avc stream format
if (!h264parse) {
LOG_ERROR("Failed to create h264parse");
return 1;
}

// Attempt to create vtenc encoder
encoder = gst_element_factory_make("vtenc_h264_hw", "encoder");
if (encoder) {
source = gst_element_factory_make("autovideosrc", "source");
vtenc = true;
source = gst_element_factory_make("videotestsrc", "source");
if (source) {
LOG_DEBUG("Using videotestsrc");
} else {
LOG_ERROR("Failed to create videotestsrc");
return 1;
}
} else {
// Failed creating vtenc - check pi hardware encoder
encoder = gst_element_factory_make("omxh264enc", "encoder");
if (encoder) {
LOG_DEBUG("Using omxh264enc")
isOnRpi = true;
} else {
// - attempt x264enc
encoder = gst_element_factory_make("x264enc", "encoder");
isOnRpi = false;
encoder = gst_element_factory_make("x264enc", "encoder");
if (encoder) {
LOG_DEBUG("Using x264enc");
} else {
LOG_ERROR("Failed to create x264enc");
return 1;
}
}
source = gst_element_factory_make("v4l2src", "source");
if (!source) {
if (source) {
LOG_DEBUG("Using v4l2src");
} else {
LOG_DEBUG("Failed to create v4l2src, trying ksvideosrc")
source = gst_element_factory_make("ksvideosrc", "source");
if (source) {
LOG_DEBUG("Using ksvideosrc");
} else {
LOG_ERROR("Failed to create ksvideosrc");
return 1;
}
}
vtenc = false;
}
Expand All @@ -365,7 +405,9 @@ int gstreamer_live_source_init(int argc, char *argv[], CustomData *data, GstElem
}

/* configure source */
if (!vtenc) {
if (vtenc) {
g_object_set(G_OBJECT(source), "is-live", TRUE, NULL);
} else {
g_object_set(G_OBJECT(source), "do-timestamp", TRUE, "device", "/dev/video0", NULL);
}

Expand Down Expand Up @@ -482,12 +524,14 @@ int gstreamer_live_source_init(int argc, char *argv[], CustomData *data, GstElem
if (!data->h264_stream_supported) {
gst_bin_add_many(GST_BIN(pipeline), source, video_convert, source_filter, encoder, h264parse, filter,
kvssink, NULL);
LOG_DEBUG("Constructing pipeline with encoding element")
if (!gst_element_link_many(source, video_convert, source_filter, encoder, h264parse, filter, kvssink, NULL)) {
g_printerr("Elements could not be linked.\n");
gst_object_unref(pipeline);
return 1;
}
} else {
LOG_DEBUG("Constructing pipeline without encoding element")
gst_bin_add_many(GST_BIN(pipeline), source, source_filter, h264parse, filter, kvssink, NULL);
if (!gst_element_link_many(source, source_filter, h264parse, filter, kvssink, NULL)) {
g_printerr("Elements could not be linked.\n");
Expand Down