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Seeking in PAUSED updates the video

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This commit is contained in:
Xavi Artigas 2012-09-17 12:53:53 +02:00
parent 206415b27b
commit 425a23ef98
1 changed files with 36 additions and 20 deletions
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56
gst-sdk/tutorials/android-tutorial-1/jni/tutorial-1.c
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@ -160,33 +160,48 @@ static void state_changed_cb (GstBus *bus, GstMessage *msg, CustomData *data) {
}
}
static void render_buffer (GstBuffer *buffer, CustomData *data) {
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);
if (ANativeWindow_lock(data->native_window, &nbuff, NULL) < 0) {
GST_ERROR ("Unable to lock Native Window, discarding buffer.");
} else {
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);
}
}
}
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;
render_buffer (buffer, data);
gst_buffer_unref (buffer);
}
}
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);
if (ANativeWindow_lock(data->native_window, &nbuff, NULL) < 0) {
GST_ERROR ("Unable to lock Native Window, discarding buffer.");
} else {
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);
}
}
static void new_preroll_buffer (GstElement *sink, CustomData *data) {
GstBuffer *buffer;
/* Retrieve the preroll buffer */
g_signal_emit_by_name (sink, "pull-preroll", &buffer);
if (buffer) {
render_buffer (buffer, data);
gst_buffer_unref (buffer);
}
}
@ -211,6 +226,7 @@ static void *app_function (void *userdata) {
data->vsink = gst_bin_get_by_name (GST_BIN (data->pipeline), "vsink");
g_signal_connect (data->vsink, "new-buffer", G_CALLBACK (new_buffer), data);
g_signal_connect (data->vsink, "new-preroll", G_CALLBACK (new_preroll_buffer), data);
/* Instruct the bus to emit signals for each received message, and connect to the interesting signals */
bus = gst_element_get_bus (data->pipeline);