void test_flags()
{
GstElement *element;
GError *err = NULL;
xmlfile = "test_flags";
std_log(LOG_FILENAME_LINE, "Test Started test_flags");
/* avoid misleading 'no such element' error debug messages when using cvs */
if (!g_getenv ("GST_DEBUG"))
gst_debug_set_default_threshold (GST_LEVEL_NONE);
/* default behaviour is to return any already constructed bins/elements */
element = gst_parse_launch_full ("fakesrc ! coffeesink", NULL, 0, &err);
fail_unless (err != NULL, "expected error");
fail_unless_equals_int (err->code, GST_PARSE_ERROR_NO_SUCH_ELEMENT);
fail_unless (element != NULL, "expected partial pipeline/element");
g_error_free (err);
err = NULL;
gst_object_unref (element);
/* test GST_PARSE_FLAG_FATAL_ERRORS */
element = gst_parse_launch_full ("fakesrc ! coffeesink", NULL,
GST_PARSE_FLAG_FATAL_ERRORS, &err);
fail_unless (err != NULL, "expected error");
fail_unless_equals_int (err->code, GST_PARSE_ERROR_NO_SUCH_ELEMENT);
fail_unless (element == NULL, "expected NULL return with FATAL_ERRORS");
g_error_free (err);
err = NULL;
std_log(LOG_FILENAME_LINE, "Test Successful");
create_xml(0);
}
static gboolean create_pipeline(SpiceGstDecoder *decoder)
{
gchar *desc;
gboolean auto_enabled;
guint opt;
GstAppSinkCallbacks appsink_cbs = { NULL };
GError *err = NULL;
GstBus *bus;
auto_enabled = (g_getenv("SPICE_GSTVIDEO_AUTO") != NULL);
if (auto_enabled || !VALID_VIDEO_CODEC_TYPE(decoder->base.codec_type)) {
SPICE_DEBUG("Trying %s for codec type %d %s",
gst_opts[0].dec_name, decoder->base.codec_type,
(auto_enabled) ? "(SPICE_GSTVIDEO_AUTO is set)" : "");
opt = 0;
} else {
opt = decoder->base.codec_type;
}
/* - We schedule the frame display ourselves so set sync=false on appsink
* so the pipeline decodes them as fast as possible. This will also
* minimize the risk of frames getting lost when we rebuild the
* pipeline.
* - Set max-bytes=0 on appsrc so it does not drop frames that may be
* needed by those that follow.
*/
desc = g_strdup_printf("appsrc name=src is-live=true format=time max-bytes=0 block=true "
"%s ! %s ! videoconvert ! appsink name=sink "
"caps=video/x-raw,format=BGRx sync=false drop=false",
gst_opts[opt].dec_caps, gst_opts[opt].dec_name);
SPICE_DEBUG("GStreamer pipeline: %s", desc);
decoder->pipeline = gst_parse_launch_full(desc, NULL, GST_PARSE_FLAG_FATAL_ERRORS, &err);
g_free(desc);
if (!decoder->pipeline) {
spice_warning("GStreamer error: %s", err->message);
g_clear_error(&err);
return FALSE;
}
decoder->appsrc = GST_APP_SRC(gst_bin_get_by_name(GST_BIN(decoder->pipeline), "src"));
decoder->appsink = GST_APP_SINK(gst_bin_get_by_name(GST_BIN(decoder->pipeline), "sink"));
appsink_cbs.new_sample = new_sample;
gst_app_sink_set_callbacks(decoder->appsink, &appsink_cbs, decoder, NULL);
bus = gst_pipeline_get_bus(GST_PIPELINE(decoder->pipeline));
gst_bus_add_watch(bus, handle_pipeline_message, decoder);
gst_object_unref(bus);
decoder->clock = gst_pipeline_get_clock(GST_PIPELINE(decoder->pipeline));
if (gst_element_set_state(decoder->pipeline, GST_STATE_PLAYING) == GST_STATE_CHANGE_FAILURE) {
SPICE_DEBUG("GStreamer error: Unable to set the pipeline to the playing state.");
free_pipeline(decoder);
return FALSE;
}
return TRUE;
}
static gboolean
recorder_open_pipeline (ShellRecorder *recorder)
{
RecorderPipeline *pipeline;
const char *pipeline_description;
char *parsed_pipeline;
GError *error = NULL;
GstBus *bus;
pipeline = g_new0 (RecorderPipeline, 1);
pipeline->recorder = g_object_ref (recorder);
pipeline->outfile = - 1;
pipeline_description = recorder->pipeline_description;
if (!pipeline_description)
pipeline_description = DEFAULT_PIPELINE;
parsed_pipeline = substitute_thread_count (pipeline_description);
pipeline->pipeline = gst_parse_launch_full (parsed_pipeline, NULL,
GST_PARSE_FLAG_FATAL_ERRORS,
&error);
g_free (parsed_pipeline);
if (pipeline->pipeline == NULL)
{
g_warning ("ShellRecorder: failed to parse pipeline: %s", error->message);
g_error_free (error);
goto error;
}
if (!recorder_pipeline_add_source (pipeline))
goto error;
if (!recorder_pipeline_add_sink (pipeline))
goto error;
gst_element_set_state (pipeline->pipeline, GST_STATE_PLAYING);
bus = gst_pipeline_get_bus (GST_PIPELINE (pipeline->pipeline));
gst_bus_add_watch (bus, recorder_pipeline_bus_watch, pipeline);
gst_object_unref (bus);
g_signal_connect (pipeline->src, "notify::memory-used",
G_CALLBACK (recorder_pipeline_on_memory_used_changed), pipeline);
recorder->current_pipeline = pipeline;
recorder->pipelines = g_slist_prepend (recorder->pipelines, pipeline);
return TRUE;
error:
recorder_pipeline_free (pipeline);
return FALSE;
}
GstElement *create_audio_sink()
{
GstElement *bin, *decoder = NULL;
GstIterator *iter;
GstIteratorResult res;
GError *error = NULL;
GstPad *pad;
gpointer element = NULL;
bin = gst_parse_launch_full("decodebin ! queue ! audioconvert \
! audioresample \
! autoaudiosink",
NULL, 0, &error);
if (!bin) {
g_error("GStreamer: failed to parse audio sink pipeline\n");
return NULL;
}
gst_object_set_name(GST_OBJECT(bin), "audio-sink");
iter = gst_bin_iterate_elements(GST_BIN(bin));
res = gst_iterator_next (iter, &element);
while (res == GST_ITERATOR_OK) {
gchar *name;
name = gst_object_get_name(GST_OBJECT (element));
if (name) {
if (!strncmp(name, "decodebin", strlen("decodebin"))) {
decoder = GST_ELEMENT(element);
}
g_printf("GS: audio sink element: %s \n", name);
g_free (name);
}
gst_object_unref (element);
element = NULL;
res = gst_iterator_next (iter, &element);
}
gst_iterator_free (iter);
if (!decoder) {
/* mem leak */
g_printf("decoder element not found\n");
return NULL;
}
/* add ghostpad */
pad = gst_element_get_static_pad(decoder, "sink");
gst_element_add_pad(bin, gst_ghost_pad_new("sink", pad));
gst_object_unref(GST_OBJECT(pad));
return bin;
}
/**
* gst_parse_launchv_full:
* @argv: (in) (array zero-terminated=1): null-terminated array of arguments
* @context: (allow-none): a parse context allocated with
* [gst_parse_context_new](), or [NULL]()
* @flags: parsing options, or [GST_PARSE_FLAG_NONE]()
* @error: pointer to a [GError]() (which must be initialised to [NULL]())
*
* Create a new element based on command line syntax.
* _error_ will contain an error message if an erroneous pipeline is specified.
* An error does not mean that the pipeline could not be constructed.
*
* Returns: (transfer floating): a new element on success; on failure, either [NULL]()
* or a partially-constructed bin or element will be returned and _error_ will
* be set (unless you passed [GST_PARSE_FLAG_FATAL_ERRORS]() in _flags_, then
* [NULL]() will always be returned on failure)
*/
GstElement *
gst_parse_launchv_full (const gchar ** argv, GstParseContext * context,
GstParseFlags flags, GError ** error)
{
#ifndef GST_DISABLE_PARSE
GstElement *element;
GString *str;
const gchar **argvp, *arg;
gchar *tmp;
g_return_val_if_fail (argv != NULL, NULL);
g_return_val_if_fail (error == NULL || *error == NULL, NULL);
/* let's give it a nice size. */
str = g_string_sized_new (1024);
argvp = argv;
while (*argvp) {
arg = *argvp;
GST_DEBUG ("escaping argument %s", arg);
tmp = _gst_parse_escape (arg);
g_string_append (str, tmp);
g_free (tmp);
g_string_append_c (str, ' ');
argvp++;
}
element = gst_parse_launch_full (str->str, context, flags, error);
g_string_free (str, TRUE);
return element;
#else
/* gst_parse_launch_full() will set a GST_CORE_ERROR_DISABLED error for us */
return gst_parse_launch_full ("", NULL, 0, error);
#endif
}
static GstElement *
make_pipeline (gint type)
{
GstElement *result;
gchar *pstr;
switch (type) {
case 0:
pstr = g_strdup_printf ("videotestsrc ! videocrop name=crop ! "
"xvimagesink");
break;
default:
return NULL;
}
result = gst_parse_launch_full (pstr, NULL, GST_PARSE_FLAG_NONE, NULL);
g_print ("created test %d: \"%s\"\n", type, pstr);
g_free (pstr);
return result;
}
/**
* gst_parse_launch:
* @pipeline_description: the command line describing the pipeline
* @error: the error message in case of an erroneous pipeline.
*
* Create a new pipeline based on command line syntax.
* Please note that you might get a return value that is not [NULL]() even though
* the _error_ is set. In this case there was a recoverable parsing error and you
* can try to play the pipeline.
*
* Returns: (transfer floating): a new element on success, [NULL]() on failure. If
* more than one toplevel element is specified by the _pipeline_description_,
* all elements are put into a [GstPipeline](), which than is returned.
*/
GstElement *
gst_parse_launch (const gchar * pipeline_description, GError ** error)
{
return gst_parse_launch_full (pipeline_description, NULL, GST_PARSE_FLAG_NONE,
error);
}
void test_missing_elements()
{
GstParseContext *ctx;
GstElement *element;
GError *err = NULL;
gchar **arr;
xmlfile = "test_missing_elements";
std_log(LOG_FILENAME_LINE, "Test Started test_missing_elements");
/* avoid misleading 'no such element' error debug messages when using cvs */
if (!g_getenv ("GST_DEBUG"))
gst_debug_set_default_threshold (GST_LEVEL_NONE);
/* one missing element */
ctx = gst_parse_context_new ();
element = gst_parse_launch_full ("fakesrc ! coffeesink", ctx,
GST_PARSE_FLAG_FATAL_ERRORS, &err);
fail_unless (err != NULL, "expected error");
fail_unless_equals_int (err->code, GST_PARSE_ERROR_NO_SUCH_ELEMENT);
fail_unless (element == NULL, "expected NULL return with FATAL_ERRORS");
arr = gst_parse_context_get_missing_elements (ctx);
fail_unless (arr != NULL, "expected missing elements");
fail_unless_equals_string (arr[0], "coffeesink");
fail_unless (arr[1] == NULL);
g_strfreev (arr);
gst_parse_context_free (ctx);
g_error_free (err);
err = NULL;
/* multiple missing elements */
ctx = gst_parse_context_new ();
element = gst_parse_launch_full ("fakesrc ! bogusenc ! identity ! goomux ! "
"fakesink", ctx, GST_PARSE_FLAG_FATAL_ERRORS, &err);
fail_unless (err != NULL, "expected error");
fail_unless_equals_int (err->code, GST_PARSE_ERROR_NO_SUCH_ELEMENT);
fail_unless (element == NULL, "expected NULL return with FATAL_ERRORS");
arr = gst_parse_context_get_missing_elements (ctx);
fail_unless (arr != NULL, "expected missing elements");
fail_unless_equals_string (arr[0], "bogusenc");
fail_unless_equals_string (arr[1], "goomux");
fail_unless (arr[2] == NULL);
g_strfreev (arr);
gst_parse_context_free (ctx);
g_error_free (err);
err = NULL;
/* multiple missing elements, different link pattern */
ctx = gst_parse_context_new ();
element = gst_parse_launch_full ("fakesrc ! bogusenc ! mux.sink "
"blahsrc ! goomux name=mux ! fakesink fakesrc ! goosink", ctx,
GST_PARSE_FLAG_FATAL_ERRORS, &err);
fail_unless (err != NULL, "expected error");
fail_unless_equals_int (err->code, GST_PARSE_ERROR_NO_SUCH_ELEMENT);
fail_unless (element == NULL, "expected NULL return with FATAL_ERRORS");
arr = gst_parse_context_get_missing_elements (ctx);
fail_unless (arr != NULL, "expected missing elements");
fail_unless_equals_string (arr[0], "bogusenc");
fail_unless_equals_string (arr[1], "blahsrc");
fail_unless_equals_string (arr[2], "goomux");
fail_unless_equals_string (arr[3], "goosink");
fail_unless (arr[4] == NULL);
g_strfreev (arr);
gst_parse_context_free (ctx);
g_error_free (err);
err = NULL;
std_log(LOG_FILENAME_LINE, "Test Successful");
create_xml(0);
}
/**
* gst_parse_launch:
* @pipeline_description: the command line describing the pipeline
* @error: the error message in case of an erroneous pipeline.
*
* Create a new pipeline based on command line syntax.
* Please note that you might get a return value that is not %NULL even though
* the @error is set. In this case there was a recoverable parsing error and you
* can try to play the pipeline.
*
* Returns: (transfer full): a new element on success, %NULL on failure. If
* more than one toplevel element is specified by the @pipeline_description,
* all elements are put into a #GstPipeline, which than is returned.
*/
GstElement *
gst_parse_launch (const gchar * pipeline_description, GError ** error)
{
return gst_parse_launch_full (pipeline_description, NULL, 0, error);
}
GstElement *create_video_sink()
{
GstElement *bin, *decoder = NULL;
GstIterator *iter;
GstIteratorResult res;
GError *error = NULL;
GstPad *pad;
gpointer element = NULL;
const char* decoder_name;
#ifndef DESKTOP
/* create pipeline */
decoder_name = "tividdec20";
bin = gst_parse_launch_full("TIViddec2 genTimeStamps=FALSE \
engineName=decode \
codecName=h264dec numFrames=-1 \
! videoscale method=0 \
! video/x-raw-yuv, format=(fourcc)I420, width=320, height=240 \
! ffmpegcolorspace \
! video/x-raw-rgb, bpp=16 \
! TIDmaiVideoSink displayStd=fbdev displayDevice=/dev/fb0 videoStd=QVGA \
videoOutput=LCD resizer=FALSE accelFrameCopy=TRUE",
NULL, 0, &error);
#else
decoder_name = "decodebin";
bin = gst_parse_launch_full("decodebin \
! videoscale method=0 \
! video/x-raw-yuv, format=(fourcc)I420, width=320, height=240 \
! xvimagesink",
NULL, 0, &error);
#endif
if (!bin) {
g_error("GStreamer: failed to parse video sink pipeline\n");
return NULL;
}
gst_object_set_name(GST_OBJECT(bin), "video-sink");
iter = gst_bin_iterate_elements(GST_BIN(bin));
res = gst_iterator_next (iter, &element);
while (res == GST_ITERATOR_OK) {
gchar *name;
name = gst_object_get_name(GST_OBJECT (element));
if (name) {
if (!strncmp(name, decoder_name, strlen(decoder_name))) {
decoder = GST_ELEMENT(element);
}
g_printf("GS: video sink element: %s \n", name);
g_free (name);
}
gst_object_unref (element);
element = NULL;
res = gst_iterator_next (iter, &element);
}
gst_iterator_free (iter);
if (!decoder) {
/* mem leak */
g_printf("decoder element not found\n");
return NULL;
}
/* add ghostpad */
pad = gst_element_get_static_pad (decoder, "sink");
gst_element_add_pad(bin, gst_ghost_pad_new("sink", pad));
gst_object_unref(GST_OBJECT(pad));
return bin;
}
