GstCaps*caps=gst_sample_get_caps(sample);// 获取caps if(caps){ GstStructure*structure=gst_caps_get_structure(caps,0);// 获取第一个结构体 intwidth,height; // 提取宽度和高度信息 gst_structure_get_int(structure,"width",&width); gst_structure_get_int(structure,"height",&height); GstMapInfo...
fixes * gst/gstpad.c: (gst_pad_activate_push), (gst_pad_alloc_buffer): more debugging * gst/gststructure.c: (gst_caps_structure_fixate_field_boolean): * gst/gststructure.h: add a fixate function for booleans; add a FIXME that these func names should probably be gst_structure_fixate...
get_xid() self.pipeline.set_state(Gst.State.PLAYING) self.pipeline_A.set_state(Gst.State.PLAYING) Gtk.main() def quit(self, window): self.pipeline.set_state(Gst.State.NULL) Gtk.main_quit() def on_sync_message(self, bus, msg): if msg.get_structure().get_name() == '...
in_struc = gst_caps_get_structure(in, 0);out_struc = gst_structure_new("video/x-raw-yuv", "format", GST_TYPE_FOURCC, GST_MAKE_FOURCC('U', 'Y', 'V', 'Y'), NULL);gst_structure_get_int(in_struc, "width", &self->width);...
caps(query, &stream_index, frame_rate); str = gst_structure_new ("update-caps", "stream-id", G_TYPE_UINT, stream_index, "width-val", G_TYPE_INT, filter->out_video_info.width, "height-val", G_TYPE_INT, filter->out_video_info.height, NULL); if (frame_rate) { gst_structure_...
== GST_TYPE_CAPS) val_str = gst_caps_to_string (g_value_get_boxed (val)); else if (G_VALUE_TYPE (val) == GST_TYPE_TAG_LIST) val_str = gst_tag_list_to_string (g_value_get_boxed (val)); else if (G_VALUE_TYPE (val) == GST_TYPE_STRUCTURE) val_str = gst_structure_to...
在树莓派上使用GstVideo运行 Python 程序,可以通过GStreamer库来实现。GstVideo是 GStreamer 的一个视频处理模块,你可以利用它来处理视频流、视频解码、编码、显示和处理等。 1、问题背景 用户想要在树莓派上使用 GstVideo 运行 Python 程序,但在运行时遇到了错误。错误信息是“ImportError: cannot import name GstVid...
Method/Function:value_get_fraction_range_min 导入包:girepository 每个示例代码都附有代码来源和完整的源代码,希望对您的程序开发有帮助。 示例1 defprint_formats(source):caps=source.get_static_pad("src").query_caps()forxinrange(caps.get_size()):structure=caps.get_structure(x)name=structure.get_...
GST_MESSAGE_STRUCTURE_CHANGE = (1 << 12), GST_MESSAGE_STREAM_STATUS = (1 << 13), GST_MESSAGE_APPLICATION = (1 << 14), GST_MESSAGE_ELEMENT = (1 << 15), GST_MESSAGE_SEGMENT_START = (1 << 16), GST_MESSAGE_SEGMENT_DONE = (1 << 17), GST_MESSAGE_DURATION = (1 << 18),...
GstPad * gst_element_request_pad (GstElement * element, GstPadTemplate * templ, const gchar * name, const GstCaps * caps) Retrieves a request pad from the element according to the provided template. Pad templates can be looked up using gst_element_factory_get_static_pad_templates. The ...