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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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68 lines
2.1 KiB
C
68 lines
2.1 KiB
C
#include <string.h>
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#include <gst/gst.h>
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static gchar *audio_out;
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static gchar *video_out;
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static void
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frame_encoded (GstElement *element, GstElement *pipeline)
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{
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fprintf (stderr, ".");
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}
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static void
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new_pad (GstElement *element, GstPad *pad, GstElement *pipeline)
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{
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gst_element_set_state (pipeline, GST_STATE_PAUSED);
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if (strncmp(gst_pad_get_name(pad), "video_", 6) == 0) {
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gst_parse_launch (g_strdup_printf ("mpeg2dec[vdec] ! "
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"ffmpegenc_mpeg1video[venc] width=352 height=288 bit_rate=1220000 ! "
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"disksink[dv] location=%s", video_out),
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GST_BIN (pipeline));
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g_signal_connect (gst_bin_get_by_name (GST_BIN (pipeline), "venc"), "frame_encoded",
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G_CALLBACK (frame_encoded), pipeline);
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gst_pad_connect (pad, gst_element_get_pad (gst_bin_get_by_name (GST_BIN (pipeline), "vdec"), "sink"));
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}
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else if (strcmp(gst_pad_get_name(pad), "private_stream_1.0") == 0) {
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gst_parse_launch (g_strdup_printf ("ac3dec[adec] ! ffmpegenc_mp2[aenc] ! "
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"disksink[da] location=%s", audio_out), GST_BIN (pipeline));
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g_signal_connect (gst_bin_get_by_name (GST_BIN (pipeline), "aenc"), "frame_encoded",
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G_CALLBACK (frame_encoded), pipeline);
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gst_pad_connect (pad, gst_element_get_pad (gst_bin_get_by_name (GST_BIN (pipeline), "adec"), "sink"));
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}
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gst_element_set_state (pipeline, GST_STATE_PLAYING);
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}
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int
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main (int argc, char *argv[])
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{
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GstElement *pipeline;
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GstElement *parser;
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gst_init (&argc, &argv);
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if (argc != 4) {
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g_print ("usage: %s <file.vob> <out.mp2> <out.mpv>\n", argv[0]);
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return -1;
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}
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audio_out = argv[2];
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video_out = argv[3];
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pipeline = gst_pipeline_new ("main_pipeline");
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gst_parse_launch (g_strdup_printf("disksrc location=%s ! "
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"mpeg2parse[parser]", argv[1]), GST_BIN (pipeline));
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parser = gst_bin_get_by_name (GST_BIN (pipeline), "parser");
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g_assert (parser != NULL);
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g_signal_connect (G_OBJECT (parser), "new_pad", G_CALLBACK (new_pad), pipeline);
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gst_element_set_state (pipeline, GST_STATE_PLAYING);
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while (gst_bin_iterate (GST_BIN (pipeline)));
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gst_element_set_state (pipeline, GST_STATE_NULL);
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return 0;
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}
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