mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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e6a59c8a62
Original commit message from CVS: Merged HEAD from BRANCH-INCSCHED1-200104161 into BRANCH-INCSCHED1.
168 lines
4.4 KiB
C
168 lines
4.4 KiB
C
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#include <gst/gst.h>
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GstPad *srcpad, *sinkpad;
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GstPad *srcconvpad, *sinkconvpad;
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GstPad *srcpadtempl, *sinkpadtempl;
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GstPad *srcconvtempl, *sinkconvtempl;
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gint converter_in = -1, converter_out = -1;
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static GstPadFactory src_factory = {
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"src",
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GST_PAD_FACTORY_SRC,
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GST_PAD_FACTORY_ALWAYS,
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GST_PAD_FACTORY_CAPS(
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"test_src",
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"audio/raw",
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"rate", GST_PROPS_INT_RANGE (16, 20000)
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),
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NULL,
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};
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static GstPadFactory src_conv_factory = {
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"src",
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GST_PAD_FACTORY_SRC,
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GST_PAD_FACTORY_ALWAYS,
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GST_PAD_FACTORY_CAPS(
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"test_src",
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"audio/raw",
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"rate", GST_PROPS_INT_RANGE (16, 20000)
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),
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NULL,
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};
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static GstPadFactory sink_conv_factory = {
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"src",
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GST_PAD_FACTORY_SINK,
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GST_PAD_FACTORY_ALWAYS,
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GST_PAD_FACTORY_CAPS(
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"test_src",
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"audio/raw",
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"rate", GST_PROPS_INT_RANGE (16, 20000)
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),
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NULL,
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};
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static GstPadFactory sink_factory = {
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"sink",
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GST_PAD_FACTORY_SINK,
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GST_PAD_FACTORY_ALWAYS,
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GST_PAD_FACTORY_CAPS(
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"test_sink",
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"audio/raw",
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"rate", GST_PROPS_INT_RANGE (16, 20000)
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),
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NULL,
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};
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static GstCapsFactory sink_caps = {
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"sink_caps",
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"audio/raw",
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"rate", GST_PROPS_INT (6000),
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NULL
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};
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static GstCapsFactory src_caps = {
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"src_caps",
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"audio/raw",
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"rate", GST_PROPS_INT (3000),
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NULL
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};
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static GstPadTemplate *srctempl, *sinktempl;
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static GstCaps *srccaps, *sinkcaps;
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static GstPadNegotiateReturn
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negotiate_src (GstPad *pad, GstCaps **caps, gint counter)
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{
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g_print (">");
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if (counter == 0) {
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*caps = NULL;
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return GST_PAD_NEGOTIATE_TRY;
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}
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if (*caps) {
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converter_out = gst_caps_get_int (*caps, "rate");
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return GST_PAD_NEGOTIATE_AGREE;
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}
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return GST_PAD_NEGOTIATE_FAIL;
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}
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static GstPadNegotiateReturn
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negotiate_sink (GstPad *pad, GstCaps **caps, gint counter)
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{
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g_print ("<");
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if (counter == 0) {
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*caps = NULL;
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return GST_PAD_NEGOTIATE_TRY;
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}
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if (*caps) {
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converter_in = gst_caps_get_int (*caps, "rate");
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return GST_PAD_NEGOTIATE_AGREE;
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}
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return GST_PAD_NEGOTIATE_FAIL;
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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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gboolean overall = TRUE;
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gboolean result;
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gst_init (&argc, &argv);
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srctempl = gst_padtemplate_new (&src_factory);
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sinktempl = gst_padtemplate_new (&sink_factory);
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srcpad = gst_pad_new_from_template (srctempl, "src");
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sinkpad = gst_pad_new_from_template (sinktempl, "sink");
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srcconvtempl = gst_padtemplate_new (&src_conv_factory);
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sinkconvtempl = gst_padtemplate_new (&sink_conv_factory);
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srcconvpad = gst_pad_new_from_template (srcconvtempl, "src");
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sinkconvpad = gst_pad_new_from_template (sinkconvtempl, "sink");
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gst_pad_set_negotiate_function (srcconvpad, negotiate_src);
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gst_pad_set_negotiate_function (sinkconvpad, negotiate_sink);
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sinkcaps = gst_caps_register (&sink_caps);
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srccaps = gst_caps_register (&src_caps);
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result = gst_pad_set_caps (srcpad, srccaps);
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g_print ("set caps on src: %d\n", result);
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g_print ("initial converter status: %d %d\n", converter_in, converter_out);
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result = gst_pad_connect (srcpad, sinkconvpad);
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g_print ("pad connect 1: %d\n", result);
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overall &= (result == TRUE);
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result = gst_pad_connect (srcconvpad, sinkpad);
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g_print ("pad connect 2: %d\n", result);
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overall &= (result == TRUE);
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g_print ("after connect, converter status: %d %d\n", converter_in, converter_out);
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result = gst_pad_set_caps (srcpad, srccaps);
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g_print ("src pad set caps %d, converter status: %d %d\n", result, converter_in, converter_out);
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result = gst_pad_set_caps (sinkpad, sinkcaps);
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g_print ("sink pad set caps %d, converter status: %d %d\n", result, converter_in, converter_out);
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gst_caps_set (srccaps, "rate", GST_PROPS_INT (4000));
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result = gst_pad_renegotiate (srcpad);
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g_print ("sink pad renegotiate caps %d, converter status: %d %d\n", result, converter_in, converter_out);
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gst_caps_set (srccaps, "rate", GST_PROPS_INT (40000));
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result = gst_pad_set_caps (srcpad, srccaps);
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g_print ("sink pad set caps %d, converter status: %d %d\n", result, converter_in, converter_out);
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gst_caps_set (sinkcaps, "rate", GST_PROPS_INT (40000));
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result = gst_pad_set_caps (sinkpad, sinkcaps);
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g_print ("sink pad set caps %d, converter status: %d %d\n", result, converter_in, converter_out);
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gst_caps_set (sinkcaps, "rate", GST_PROPS_INT (9000));
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result = gst_pad_set_caps (sinkpad, sinkcaps);
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g_print ("sink pad set caps %d, converter status: %d %d\n", result, converter_in, converter_out);
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exit (!overall);
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}
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