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Display video via an appsink.

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This commit is contained in:
Xavi Artigas 2012-09-14 12:02:19 +02:00
parent f15a624e93
commit 63f19c69ab
1 changed files with 36 additions and 1 deletions
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37
gst-sdk/tutorials/android-tutorial-1/jni/tutorial-1.c
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@ -147,18 +147,53 @@ static void state_changed_cb (GstBus *bus, GstMessage *msg, CustomData *data) {
}
}
static void new_buffer (GstElement *sink, CustomData *data) {
GstBuffer *buffer;
/* Retrieve the buffer */
g_signal_emit_by_name (sink, "pull-buffer", &buffer);
if (buffer) {
if (data->native_window) {
int i;
ANativeWindow_Buffer nbuff;
GstStructure *str;
gint width, height;
str = gst_caps_get_structure (GST_BUFFER_CAPS (buffer), 0);
gst_structure_get_int (str, "width", &width);
gst_structure_get_int (str, "height", &height);
ANativeWindow_setBuffersGeometry(data->native_window, width, height, WINDOW_FORMAT_RGBX_8888);
ANativeWindow_lock(data->native_window, &nbuff, NULL);
GST_DEBUG ("Native buffer width:%d height:%d stride:%d format:%d", nbuff.width, nbuff.height, nbuff.stride, nbuff.format);
for (i=0; i<nbuff.height; i++) {
memcpy (nbuff.bits + nbuff.stride * 4 * i, GST_BUFFER_DATA (buffer) + width * 4 * i, width * 4);
}
ANativeWindow_unlockAndPost (data->native_window);
}
gst_buffer_unref (buffer);
}
}
static void *app_function (void *userdata) {
JavaVMAttachArgs args;
GstBus *bus;
GstMessage *msg;
CustomData *data = (CustomData *)userdata;
GstElement *vsink;
GST_DEBUG ("Creating pipeline in CustomData at %p", data);
// data->pipeline = gst_parse_launch ("videotestsrc ! eglglessink force_rendering_slow=1 can_create_window=0", NULL);
// data->pipeline = gst_parse_launch ("filesrc location=/sdcard/Movies/sintel_trailer-480p.ogv ! oggdemux ! theoradec ! fakesink", NULL);
data->pipeline = gst_parse_launch ("souphttpsrc location=http://docs.gstreamer.com/media/sintel_trailer-480p.ogv ! oggdemux ! theoradec ! fakesink", NULL);
// data->pipeline = gst_parse_launch ("souphttpsrc location=http://docs.gstreamer.com/media/sintel_trailer-480p.ogv ! oggdemux ! theoradec ! fakesink", NULL);
// data->pipeline = gst_parse_launch ("videotestsrc ! ffmpegcolorspace ! appsink name=vsink emit-signals=1 caps=video/x-raw-rgb,bpp=(int)32,endianness=(int)4321,depth=(int)24,red_mask=(int)-16777216,green_mask=(int)16711680,blue_mask=(int)65280,width=(int)320,height=(int)240,framerate=(fraction)30/1", NULL);
data->pipeline = gst_parse_launch ("souphttpsrc location=http://docs.gstreamer.com/media/sintel_trailer-480p.ogv ! oggdemux ! theoradec ! ffmpegcolorspace ! appsink name=vsink emit-signals=1 caps=video/x-raw-rgb,bpp=(int)32,endianness=(int)4321,depth=(int)24,red_mask=(int)-16777216,green_mask=(int)16711680,blue_mask=(int)65280", NULL);
vsink = gst_bin_get_by_name (GST_BIN (data->pipeline), "vsink");
g_signal_connect (vsink, "new-buffer", G_CALLBACK (new_buffer), data);
gst_object_unref (vsink);
/* Instruct the bus to emit signals for each received message, and connect to the interesting signals */
bus = gst_element_get_bus (data->pipeline);