Chenglin.Ye
86 lines
2.7 KiB
C
86 lines
2.7 KiB
C
#include <gst/gst.h>
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#include <string.h>
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typedef struct _RecordCamera {
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GstElement *Rpipeline;
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GstElement *Raudiosource;
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GstElement *Rvideosource;
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GstElement *Raudioenc;
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GstElement *Rvideoenc;
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GstElement *Rmux;
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GstElement *Rqueue;
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GstElement *Rsink;
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GstBus *Rbus;
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GMainLoop *Rloop;
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GstState Rstate;
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gint64 Rcurrent;
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} RecordCamera;
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static gboolean refresh_handler(RecordCamera *Rdata) {
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if(!Rdata->Rstate == GST_STATE_PLAYING)
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return TRUE;
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if(!gst_element_query_position(Rdata->Rvideosource, GST_FORMAT_TIME, &Rdata->Rcurrent)) {
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g_printerr("Error: could not query current position.\n");
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}
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g_print("Duration: %" GST_TIME_FORMAT "\r", GST_TIME_ARGS(Rdata->Rcurrent));
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return TRUE;
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}
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int main(int argc, char *argv[]) {
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RecordCamera Rdata;
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GstStateChangeReturn ret;
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gst_init(&argc, &argv);
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memset(&Rdata, 0, sizeof(Rdata));
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Rdata.Rstate = GST_STATE_NULL;
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Rdata.Raudiosource = gst_element_factory_make("alsasrc", "audio-source");
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Rdata.Rvideosource = gst_element_factory_make("v4l2src", "video-source");
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Rdata.Raudioenc = gst_element_factory_make("voaacenc", "audio-enc");
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Rdata.Rvideoenc = gst_element_factory_make("jpegenc", "video-enc");
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Rdata.Rqueue = gst_element_factory_make("queue", "audio-queue");
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Rdata.Rmux = gst_element_factory_make("avimux", "record-mux");
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Rdata.Rsink = gst_element_factory_make("filesink", "record-sink");
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Rdata.Rpipeline = gst_pipeline_new("record-pipeline");
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if(!Rdata.Rpipeline || !Rdata.Raudiosource || !Rdata.Rvideosource || !Rdata.Rqueue ||
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!Rdata.Raudioenc || !Rdata.Rvideoenc || !Rdata.Rmux || !Rdata.Rsink) {
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g_printerr("Error: One or more element could't be created.\n");
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return -1;
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}
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gst_bin_add_many(GST_BIN(Rdata.Rpipeline), Rdata.Rvideosource, Rdata.Raudiosource,
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Rdata.Rqueue, Rdata.Raudioenc, Rdata.Rvideoenc, Rdata.Rmux, Rdata.Rsink, NULL);
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if(!gst_element_link_many(Rdata.Raudiosource, Rdata.Raudioenc, Rdata.Rqueue, Rdata.Rmux, NULL)) {
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g_printerr("Error(audio): Element could't be lined.\n");
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return -1;
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}
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if(!gst_element_link_many(Rdata.Rvideosource, Rdata.Rvideoenc, Rdata.Rmux, Rdata.Rsink, NULL)) {
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g_printerr("Error(video): Element could't be lined.\n");
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return -1;
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}
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g_object_set(Rdata.Rsink, "location", argv[1], NULL);
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g_object_set(Rdata.Raudiosource, "device", "hw:1,0", NULL);
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g_object_set(Rdata.Rvideosource, "device", "/dev/video0", NULL);
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ret = gst_element_set_state(Rdata.Rpipeline, GST_STATE_PLAYING);
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Rdata.Rloop = g_main_loop_new(NULL, FALSE);
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g_print("Recording...\n");
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g_print("\n");
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g_timeout_add(1, (GSourceFunc)refresh_handler, &Rdata);
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g_main_loop_run(Rdata.Rloop);
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g_main_loop_unref(Rdata.Rloop);
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gst_element_set_state(Rdata.Rpipeline, GST_STATE_NULL);
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gst_object_unref(Rdata.Rpipeline);
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return 0;
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}
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