void
_cmd_add_vpl()
{
GstElement *vns;
GstElement *tprobe;
struct av_source *avs;
avs = (struct av_source *)malloc(sizeof(struct av_source));
vns = get_source_bin(NULL);
gst_bin_add(GST_BIN(pipeline), vns);
avs->vstruct = add_new_vstream_source(vns,
"vsrc",
"new video source");
avs->astruct = add_new_stream_source(vns,
"asrc%d",
"new audio source");
avs->astruct->pprobed = gst_element_get_static_pad(vns, "asrc%d");
avs->astruct->ep_handler = gst_pad_add_event_probe(
gst_element_get_static_pad(vns, "asrc%d"),
G_CALLBACK(cb_eos_in_videopl_astream), NULL);
avs->vstruct->pprobed = gst_element_get_static_pad(vns, "vsrc");
avs->vstruct->ep_handler = gst_pad_add_event_probe(
gst_element_get_static_pad(vns, "vsrc"),
G_CALLBACK(cb_eos_in_videopl_vstream), avs);
gst_element_set_state(vns, GST_STATE_PLAYING);
g_print("numsinkpads gvideomixer - adder: %d <-> %d\n",
gvmixer->numsinkpads, adder->numsinkpads);
}
gboolean
scope_parser_attach_to_tee(ScopeParser *parser, GstElement *tee)
{
GstPad *sink_pad;
if(parser == NULL) {
return FALSE;
}
parser->tee_pad = gst_element_get_request_pad(tee, "src1");
if(parser->tee_pad == NULL) {
g_warning("Could not get a source pad from the tee");
return FALSE;
}
parser->fakesink = gst_element_factory_make("fakesink", "fakesink");
if(parser->fakesink == NULL) {
g_warning("Could not create fakesink element");
return FALSE;
}
sink_pad = gst_element_get_pad(parser->fakesink, "sink");
gst_pad_link(parser->tee_pad, sink_pad);
parser->buffer_probe_id = gst_pad_add_buffer_probe(parser->tee_pad,
G_CALLBACK(scope_parser_buffer_probe), parser);
parser->event_probe_id = gst_pad_add_event_probe(parser->tee_pad,
G_CALLBACK(scope_parser_event_probe), parser);
gst_object_unref(parser->tee_pad);
gst_object_unref(sink_pad);
return TRUE;
}
void
_cmd_add_audio_file(const struct typed_command *lcom)
{
GstElement *nfile;
struct input_source *nsrc;
GstPad *probepad;
struct stat *finfo;
finfo = (struct stat *)malloc(sizeof(struct stat));
if(0 == stat(lcom->cmd_argv[1], finfo)){
nfile = get_source_bin(lcom->cmd_argv[1]);
gst_bin_add(GST_BIN(pipeline), nfile);
probepad = gst_element_get_static_pad(nfile, "asrc%d");
nsrc = add_new_stream_source(nfile, "asrc%d",
"additional file source");
//nsrc->ep_handler = gst_pad_add_event_probe(
nsrc->ep_handler = gst_pad_add_event_probe(probepad,
G_CALLBACK(cb_stop_single_file), nsrc);
gst_element_set_state(nfile, GST_STATE_PLAYING);
nsrc->pprobed = probepad;
}
else{
g_printf("File does not exist!\n");
}
free(finfo);
};
void test_buffer_probe_n_times()
{
GstElement *pipeline, *fakesrc, *fakesink;
GstBus *bus;
GstMessage *message;
GstPad *pad;
xmlfile = "gstutils_test_buffer_probe_n_times";
std_log(LOG_FILENAME_LINE, "Test Started gstutils_test_buffer_probe_n_times");
pipeline = gst_element_factory_make ("pipeline", NULL);
fakesrc = gst_element_factory_make ("fakesrc", NULL);
fakesink = gst_element_factory_make ("fakesink", NULL);
g_object_set (fakesrc, "num-buffers", (int) 10, NULL);
gst_bin_add_many (GST_BIN (pipeline), fakesrc, fakesink, NULL);
gst_element_link (fakesrc, fakesink);
pad = gst_element_get_pad (fakesink, "sink");
gst_pad_add_data_probe (pad, G_CALLBACK (data_probe), SPECIAL_POINTER (0));
gst_pad_add_buffer_probe (pad, G_CALLBACK (buffer_probe),
SPECIAL_POINTER (1));
gst_pad_add_event_probe (pad, G_CALLBACK (event_probe), SPECIAL_POINTER (2));
gst_object_unref (pad);
gst_element_set_state (pipeline, GST_STATE_PLAYING);
bus = gst_element_get_bus (pipeline);
message = gst_bus_poll (bus, GST_MESSAGE_EOS, -1);
gst_message_unref (message);
gst_object_unref (bus);
g_assert (n_buffer_probes == 10); /* one for every buffer */
g_assert (n_event_probes == 3); /* new segment, latency and eos */
g_assert (n_data_probes == 13); /* duh */
gst_element_set_state (pipeline, GST_STATE_NULL);
gst_object_unref (pipeline);
/* make sure nothing was sent in addition to the above when shutting down */
g_assert (n_buffer_probes == 10); /* one for every buffer */
g_assert (n_event_probes == 3); /* new segment, latency and eos */
g_assert (n_data_probes == 13); /* duh */
std_log(LOG_FILENAME_LINE, "Test Successful");
create_xml(0);
}
void
_cmd_add_net(const char *url)
{
GstElement *ns;
GstElement *tprobe;
struct input_source *net_in;
ns = get_net_source_bin(url);
/* this probes for EOS */
tprobe = gst_bin_get_by_name(GST_BIN(ns), "netsrc");
gst_bin_add(GST_BIN(pipeline), ns);
net_in = add_new_stream_source(ns, "asrc%d", url );
net_in->ep_handler = gst_pad_add_event_probe(
gst_element_get_static_pad(tprobe,"src"),
G_CALLBACK(net_event), net_in);
gst_element_set_state(ns, GST_STATE_PLAYING);
net_in->pprobed = gst_element_get_static_pad(tprobe, "src");
}
void test_buffer_probe_once()
{
GstElement *pipeline, *fakesrc, *fakesink;
GstBus *bus;
GstMessage *message;
GstPad *pad;
guint id1, id2, id3;
xmlfile = "gstutils_test_buffer_probe_once";
std_log(LOG_FILENAME_LINE, "Test Started gstutils_test_buffer_probe_once");
pipeline = gst_element_factory_make ("pipeline", NULL);
fakesrc = gst_element_factory_make ("fakesrc", NULL);
fakesink = gst_element_factory_make ("fakesink", NULL);
g_object_set (fakesrc, "num-buffers", (int) 10, NULL);
gst_bin_add_many (GST_BIN (pipeline), fakesrc, fakesink, NULL);
gst_element_link (fakesrc, fakesink);
pad = gst_element_get_pad (fakesink, "sink");
id1 = gst_pad_add_data_probe (pad, G_CALLBACK (data_probe_once), &id1);
id2 = gst_pad_add_buffer_probe (pad, G_CALLBACK (buffer_probe_once), &id2);
id3 = gst_pad_add_event_probe (pad, G_CALLBACK (event_probe_once), &id3);
gst_object_unref (pad);
gst_element_set_state (pipeline, GST_STATE_PLAYING);
bus = gst_element_get_bus (pipeline);
message = gst_bus_poll (bus, GST_MESSAGE_EOS, -1);
gst_message_unref (message);
gst_object_unref (bus);
gst_element_set_state (pipeline, GST_STATE_NULL);
gst_object_unref (pipeline);
g_assert (n_buffer_probes_once == 1); /* can we hit it and quit? */
g_assert (n_event_probes_once == 1); /* i said, can we hit it and quit? */
g_assert (n_data_probes_once == 1); /* let's hit it and quit!!! */
std_log(LOG_FILENAME_LINE, "Test Successful");
create_xml(0);
}
GstStreamInfo *
gst_stream_info_new (GstObject * object,
GstStreamType type, const gchar * decoder, const GstCaps * caps)
{
GstStreamInfo *info;
info = g_object_new (GST_TYPE_STREAM_INFO, NULL);
gst_object_ref (object);
if (GST_IS_PAD (object)) {
gst_pad_add_event_probe (GST_PAD_CAST (object),
G_CALLBACK (cb_probe), info);
}
info->object = object;
info->type = type;
info->decoder = g_strdup (decoder);
info->origin = object;
if (caps) {
info->caps = gst_caps_copy (caps);
}
return info;
}
// this function handles the link with other elements
static gboolean
gst_haar_adjust_set_caps(GstPad *pad, GstCaps *caps)
{
GstHaarAdjust *filter;
GstPad *other_pad;
GstStructure *structure;
gint width, height, depth;
filter = GST_HAARADJUST(gst_pad_get_parent(pad));
structure = gst_caps_get_structure(caps, 0);
gst_structure_get_int(structure, "width", &width);
gst_structure_get_int(structure, "height", &height);
gst_structure_get_int(structure, "depth", &depth);
filter->image = cvCreateImage(cvSize(width, height), depth/3, 3);
// add roi event probe on the sinkpad
gst_pad_add_event_probe(filter->sinkpad, (GCallback) events_cb, filter);
other_pad = (pad == filter->srcpad) ? filter->sinkpad : filter->srcpad;
gst_object_unref(filter);
return gst_pad_set_caps(other_pad, caps);
}
static void
test_one_after_other_full (gboolean async)
{
GstElement *pipeline;
GstElement *comp, *sink, *source1, *source2;
CollectStructure *collect;
GstBus *bus;
GstMessage *message;
gboolean carry_on = TRUE;
guint64 start, stop;
gint64 duration;
GstPad *sinkpad;
pipeline = gst_pipeline_new ("test_pipeline");
comp =
gst_element_factory_make_or_warn ("gnlcomposition", "test_composition");
fail_if (comp == NULL);
/*
Source 1
Start : 0s
Duration : 1s
Media start : 5s
Media Duartion : 1s
Priority : 1
*/
source1 =
videotest_gnl_src_full ("source1", 0, 1 * GST_SECOND, 5 * GST_SECOND,
1 * GST_SECOND, 3, 1);
fail_if (source1 == NULL);
check_start_stop_duration (source1, 0, 1 * GST_SECOND, 1 * GST_SECOND);
/*
Source 2
Start : 1s
Duration : 1s
Media start : 2s
Media Duration : 1s
Priority : 1
*/
source2 = videotest_gnl_src_full ("source2", 1 * GST_SECOND, 1 * GST_SECOND,
2 * GST_SECOND, 1 * GST_SECOND, 2, 1);
fail_if (source2 == NULL);
check_start_stop_duration (source2, 1 * GST_SECOND, 2 * GST_SECOND,
1 * GST_SECOND);
/* Add one source */
DISABLE_ASYNC_UPDATE;
gst_bin_add (GST_BIN (comp), source1);
ENABLE_ASYNC_UPDATE;
check_start_stop_duration (comp, 0, 1 * GST_SECOND, 1 * GST_SECOND);
ASSERT_OBJECT_REFCOUNT (source1, "source1", 1);
/* Second source */
DISABLE_ASYNC_UPDATE;
gst_bin_add (GST_BIN (comp), source2);
ENABLE_ASYNC_UPDATE;
check_start_stop_duration (comp, 0, 2 * GST_SECOND, 2 * GST_SECOND);
ASSERT_OBJECT_REFCOUNT (source2, "source2", 1);
/* Remove first source */
gst_object_ref (source1);
DISABLE_ASYNC_UPDATE;
gst_bin_remove (GST_BIN (comp), source1);
ENABLE_ASYNC_UPDATE;
check_start_stop_duration (comp, 1 * GST_SECOND, 2 * GST_SECOND,
1 * GST_SECOND);
ASSERT_OBJECT_REFCOUNT (source1, "source1", 1);
/* Re-add first source */
DISABLE_ASYNC_UPDATE;
gst_bin_add (GST_BIN (comp), source1);
ENABLE_ASYNC_UPDATE;
check_start_stop_duration (comp, 0, 2 * GST_SECOND, 2 * GST_SECOND);
gst_object_unref (source1);
ASSERT_OBJECT_REFCOUNT (source1, "source1", 1);
sink = gst_element_factory_make_or_warn ("fakesink", "sink");
fail_if (sink == NULL);
gst_bin_add_many (GST_BIN (pipeline), comp, sink, NULL);
/* Shared data */
collect = g_new0 (CollectStructure, 1);
collect->comp = comp;
collect->sink = sink;
/* Expected segments */
collect->expected_segments = g_list_append (collect->expected_segments,
segment_new (1.0, GST_FORMAT_TIME, 5 * GST_SECOND, 6 * GST_SECOND, 0));
collect->expected_segments = g_list_append (collect->expected_segments,
segment_new (1.0, GST_FORMAT_TIME,
2 * GST_SECOND, 3 * GST_SECOND, 1 * GST_SECOND));
g_signal_connect (G_OBJECT (comp), "pad-added",
G_CALLBACK (composition_pad_added_cb), collect);
sinkpad = gst_element_get_pad (sink, "sink");
gst_pad_add_event_probe (sinkpad, G_CALLBACK (sinkpad_event_probe), collect);
gst_pad_add_buffer_probe (sinkpad, G_CALLBACK (sinkpad_buffer_probe),
collect);
bus = gst_element_get_bus (GST_ELEMENT (pipeline));
GST_DEBUG ("Setting pipeline to PLAYING");
ASSERT_OBJECT_REFCOUNT (source1, "source1", 1);
fail_if (gst_element_set_state (GST_ELEMENT (pipeline),
GST_STATE_PLAYING) == GST_STATE_CHANGE_FAILURE);
GST_DEBUG ("Let's poll the bus");
while (carry_on) {
message = gst_bus_poll (bus, GST_MESSAGE_ANY, GST_SECOND / 2);
if (message) {
switch (GST_MESSAGE_TYPE (message)) {
case GST_MESSAGE_EOS:
/* we should check if we really finished here */
GST_WARNING ("Got an EOS");
carry_on = FALSE;
break;
case GST_MESSAGE_SEGMENT_START:
case GST_MESSAGE_SEGMENT_DONE:
/* We shouldn't see any segement messages, since we didn't do a segment seek */
GST_WARNING ("Saw a Segment start/stop");
fail_if (TRUE);
break;
case GST_MESSAGE_ERROR:
GST_WARNING ("Saw an ERROR");
fail_if (TRUE);
default:
break;
}
gst_mini_object_unref (GST_MINI_OBJECT (message));
}
}
GST_DEBUG ("Setting pipeline to NULL");
fail_if (gst_element_set_state (GST_ELEMENT (pipeline),
GST_STATE_READY) == GST_STATE_CHANGE_FAILURE);
fail_if (collect->expected_segments != NULL);
GST_DEBUG ("Resetted pipeline to READY");
/* Expected segments */
collect->expected_segments = g_list_append (collect->expected_segments,
segment_new (1.0, GST_FORMAT_TIME, 5 * GST_SECOND, 6 * GST_SECOND, 0));
collect->expected_segments = g_list_append (collect->expected_segments,
segment_new (1.0, GST_FORMAT_TIME,
2 * GST_SECOND, 3 * GST_SECOND, 1 * GST_SECOND));
collect->gotsegment = FALSE;
GST_DEBUG ("Setting pipeline to PLAYING again");
fail_if (gst_element_set_state (GST_ELEMENT (pipeline),
GST_STATE_PLAYING) == GST_STATE_CHANGE_FAILURE);
carry_on = TRUE;
GST_DEBUG ("Let's poll the bus AGAIN");
while (carry_on) {
message = gst_bus_poll (bus, GST_MESSAGE_ANY, GST_SECOND / 2);
if (message) {
switch (GST_MESSAGE_TYPE (message)) {
case GST_MESSAGE_EOS:
/* we should check if we really finished here */
carry_on = FALSE;
break;
case GST_MESSAGE_SEGMENT_START:
case GST_MESSAGE_SEGMENT_DONE:
/* We shouldn't see any segement messages, since we didn't do a segment seek */
GST_WARNING ("Saw a Segment start/stop");
fail_if (TRUE);
break;
case GST_MESSAGE_ERROR:
GST_ERROR ("Saw an ERROR");
fail_if (TRUE);
default:
break;
}
gst_mini_object_unref (GST_MINI_OBJECT (message));
} else {
GST_DEBUG ("bus_poll responded, but there wasn't any message...");
}
}
fail_if (collect->expected_segments != NULL);
gst_object_unref (GST_OBJECT (sinkpad));
fail_if (gst_element_set_state (GST_ELEMENT (pipeline),
GST_STATE_NULL) == GST_STATE_CHANGE_FAILURE);
ASSERT_OBJECT_REFCOUNT_BETWEEN (pipeline, "main pipeline", 1, 2);
gst_object_unref (pipeline);
ASSERT_OBJECT_REFCOUNT_BETWEEN (bus, "main bus", 1, 2);
gst_object_unref (bus);
g_free (collect);
}
static void
test_one_under_another_full (gboolean async)
{
GstElement *pipeline;
GstElement *comp, *sink, *source1, *source2;
CollectStructure *collect;
GstBus *bus;
GstMessage *message;
gboolean carry_on = TRUE;
guint64 start, stop;
gint64 duration;
GstPad *sinkpad;
pipeline = gst_pipeline_new ("test_pipeline");
comp =
gst_element_factory_make_or_warn ("gnlcomposition", "test_composition");
fail_if (comp == NULL);
/*
Source 1
Start : 0s
Duration : 2s
Priority : 1
*/
source1 = videotest_gnl_src ("source1", 0, 2 * GST_SECOND, 3, 1);
fail_if (source1 == NULL);
check_start_stop_duration (source1, 0, 2 * GST_SECOND, 2 * GST_SECOND);
/*
Source 2
Start : 1s
Duration : 2s
Priority : 2
*/
source2 = videotest_gnl_src ("source2", 1 * GST_SECOND, 2 * GST_SECOND, 2, 2);
fail_if (source2 == NULL);
check_start_stop_duration (source2, 1 * GST_SECOND, 3 * GST_SECOND,
2 * GST_SECOND);
/* Add two sources */
DISABLE_ASYNC_UPDATE;
gst_bin_add (GST_BIN (comp), source1);
gst_bin_add (GST_BIN (comp), source2);
ENABLE_ASYNC_UPDATE;
check_start_stop_duration (comp, 0, 3 * GST_SECOND, 3 * GST_SECOND);
/* Remove second source */
gst_object_ref (source1);
DISABLE_ASYNC_UPDATE;
gst_bin_remove (GST_BIN (comp), source1);
ENABLE_ASYNC_UPDATE;
check_start_stop_duration (comp, 1 * GST_SECOND, 3 * GST_SECOND,
2 * GST_SECOND);
/* Re-add second source */
DISABLE_ASYNC_UPDATE;
gst_bin_add (GST_BIN (comp), source1);
ENABLE_ASYNC_UPDATE;
check_start_stop_duration (comp, 0, 3 * GST_SECOND, 3 * GST_SECOND);
gst_object_unref (source1);
sink = gst_element_factory_make_or_warn ("fakesink", "sink");
fail_if (sink == NULL);
gst_bin_add_many (GST_BIN (pipeline), comp, sink, NULL);
/* Shared data */
collect = g_new0 (CollectStructure, 1);
collect->comp = comp;
collect->sink = sink;
/* Expected segments */
collect->expected_segments = g_list_append (collect->expected_segments,
segment_new (1.0, GST_FORMAT_TIME, 0, GST_SECOND, 0));
collect->expected_segments = g_list_append (collect->expected_segments,
segment_new (1.0, GST_FORMAT_TIME, GST_SECOND, 2 * GST_SECOND,
GST_SECOND));
collect->expected_segments = g_list_append (collect->expected_segments,
segment_new (1.0, GST_FORMAT_TIME,
2 * GST_SECOND, 3 * GST_SECOND, 2 * GST_SECOND));
g_signal_connect (G_OBJECT (comp), "pad-added",
G_CALLBACK (composition_pad_added_cb), collect);
sinkpad = gst_element_get_pad (sink, "sink");
gst_pad_add_event_probe (sinkpad, G_CALLBACK (sinkpad_event_probe), collect);
gst_pad_add_buffer_probe (sinkpad, G_CALLBACK (sinkpad_buffer_probe),
collect);
bus = gst_element_get_bus (GST_ELEMENT (pipeline));
fail_if (gst_element_set_state (GST_ELEMENT (pipeline),
GST_STATE_PLAYING) == GST_STATE_CHANGE_FAILURE);
while (carry_on) {
message = gst_bus_poll (bus, GST_MESSAGE_ANY, GST_SECOND / 2);
if (message) {
switch (GST_MESSAGE_TYPE (message)) {
case GST_MESSAGE_EOS:
/* we should check if we really finished here */
carry_on = FALSE;
break;
case GST_MESSAGE_SEGMENT_START:
case GST_MESSAGE_SEGMENT_DONE:
/* check if the segment is the correct one (0s-4s) */
carry_on = FALSE;
break;
case GST_MESSAGE_ERROR:
fail_if (TRUE);
default:
break;
}
gst_message_unref (message);
}
}
fail_if (collect->expected_segments != NULL);
fail_if (gst_element_set_state (GST_ELEMENT (pipeline),
GST_STATE_NULL) == GST_STATE_CHANGE_FAILURE);
gst_bus_poll (bus, GST_MESSAGE_ANY, GST_SECOND / 2);
gst_object_unref (GST_OBJECT (sinkpad));
ASSERT_OBJECT_REFCOUNT_BETWEEN (pipeline, "main pipeline", 1, 2);
gst_object_unref (pipeline);
ASSERT_OBJECT_REFCOUNT_BETWEEN (bus, "main bus", 1, 2);
gst_object_unref (bus);
g_free (collect);
}
void
_bp_vis_pipeline_setup (BansheePlayer *player)
{
// The basic pipeline we're constructing is:
// .audiotee ! queue ! audioresample ! audioconvert ! fakesink
GstElement *fakesink, *converter, *resampler, *audiosinkqueue;
GstCaps *caps;
GstPad *teepad;
GstPad *pad;
player->vis_buffer = NULL;
player->vis_fft = gst_fft_f32_new (SLICE_SIZE * 2, FALSE);
player->vis_fft_buffer = g_new (GstFFTF32Complex, SLICE_SIZE + 1);
player->vis_fft_sample_buffer = g_new0 (gfloat, SLICE_SIZE);
// Core elements, if something fails here, it's the end of the world
audiosinkqueue = gst_element_factory_make ("queue", "vis-queue");
pad = gst_element_get_static_pad (audiosinkqueue, "sink");
gst_pad_add_event_probe (pad, G_CALLBACK (_bp_vis_pipeline_event_probe), player);
gst_object_unref (GST_OBJECT (pad));
resampler = gst_element_factory_make ("audioresample", "vis-resample");
converter = gst_element_factory_make ("audioconvert", "vis-convert");
fakesink = gst_element_factory_make ("fakesink", "vis-sink");
if (audiosinkqueue == NULL || resampler == NULL || converter == NULL || fakesink == NULL) {
bp_debug ("Could not construct visualization pipeline, a fundamental element could not be created");
return;
}
// Keep around the 5 most recent seconds of audio so that when resuming
// visualization we have something to show right away.
g_object_set (G_OBJECT (audiosinkqueue),
"leaky", 2,
"max-size-buffers", 0,
"max-size-bytes", 0,
"max-size-time", GST_SECOND * 5,
NULL);
g_signal_connect (G_OBJECT (fakesink), "handoff", G_CALLBACK (bp_vis_pcm_handoff), player);
g_object_set (G_OBJECT (fakesink),
// This enables the handoff signal.
"signal-handoffs", TRUE,
// Synchronize so we see vis at the same time as we hear it.
"sync", TRUE,
// Drop buffers if they come in too late. This is mainly used when
// thawing the vis pipeline.
"max-lateness", GST_SECOND / 120,
// Deliver buffers one frame early. This allows for rendering
// time. (TODO: It would be great to calculate this on-the-fly so
// we match the rendering time.
"ts-offset", -GST_SECOND / 60,
// Don't go to PAUSED when we freeze the pipeline.
"async", FALSE, NULL);
gst_bin_add_many (GST_BIN (player->audiobin), audiosinkqueue, resampler,
converter, fakesink, NULL);
pad = gst_element_get_static_pad (audiosinkqueue, "sink");
teepad = gst_element_get_request_pad (player->audiotee, "src%d");
gst_pad_link (teepad, pad);
gst_object_unref (GST_OBJECT (teepad));
gst_object_unref (GST_OBJECT (pad));
gst_element_link_many (audiosinkqueue, resampler, converter, NULL);
caps = gst_static_caps_get (&vis_data_sink_caps);
gst_element_link_filtered (converter, fakesink, caps);
gst_caps_unref (caps);
player->vis_buffer = gst_adapter_new ();
player->vis_resampler = resampler;
player->vis_thawing = FALSE;
player->vis_enabled = FALSE;
// Disable the pipeline till we hear otherwise from managed land.
_bp_vis_pipeline_set_blocked (player, TRUE);
}
bool GstEnginePipeline::Init() {
// Here we create all the parts of the gstreamer pipeline - from the source
// to the sink. The parts of the pipeline are split up into bins:
// uri decode bin -> audio bin
// The uri decode bin is a gstreamer builtin that automatically picks the
// right type of source and decoder for the URI.
// The audio bin gets created here and contains:
// queue ! audioconvert ! <caps32>
// ! ( rgvolume ! rglimiter ! audioconvert2 ) ! tee
// rgvolume and rglimiter are only created when replaygain is enabled.
// After the tee the pipeline splits. One split is converted to 16-bit int
// samples for the scope, the other is kept as float32 and sent to the
// speaker.
// tee1 ! probe_queue ! probe_converter ! <caps16> ! probe_sink
// tee2 ! audio_queue ! equalizer_preamp ! equalizer ! volume ! audioscale
// ! convert ! audiosink
// Audio bin
audiobin_ = gst_bin_new("audiobin");
gst_bin_add(GST_BIN(pipeline_), audiobin_);
// Create the sink
if (!(audiosink_ = engine_->CreateElement(sink_, audiobin_))) return false;
if (g_object_class_find_property(G_OBJECT_GET_CLASS(audiosink_), "device") &&
!device_.toString().isEmpty()) {
switch (device_.type()) {
case QVariant::Int:
g_object_set(G_OBJECT(audiosink_),
"device", device_.toInt(),
nullptr);
break;
case QVariant::String:
g_object_set(G_OBJECT(audiosink_),
"device", device_.toString().toUtf8().constData(),
nullptr);
break;
#ifdef Q_OS_WIN32
case QVariant::ByteArray: {
GUID guid = QUuid(device_.toByteArray());
g_object_set(G_OBJECT(audiosink_),
"device", &guid,
nullptr);
break;
}
#endif // Q_OS_WIN32
default:
qLog(Warning) << "Unknown device type" << device_;
break;
}
}
// Create all the other elements
GstElement* tee, *probe_queue, *probe_converter, *probe_sink, *audio_queue,
*convert;
queue_ = engine_->CreateElement("queue2", audiobin_);
audioconvert_ = engine_->CreateElement("audioconvert", audiobin_);
tee = engine_->CreateElement("tee", audiobin_);
probe_queue = engine_->CreateElement("queue", audiobin_);
probe_converter = engine_->CreateElement("audioconvert", audiobin_);
probe_sink = engine_->CreateElement("fakesink", audiobin_);
audio_queue = engine_->CreateElement("queue", audiobin_);
equalizer_preamp_ = engine_->CreateElement("volume", audiobin_);
equalizer_ = engine_->CreateElement("equalizer-nbands", audiobin_);
stereo_panorama_ = engine_->CreateElement("audiopanorama", audiobin_);
volume_ = engine_->CreateElement("volume", audiobin_);
audioscale_ = engine_->CreateElement("audioresample", audiobin_);
convert = engine_->CreateElement("audioconvert", audiobin_);
if (!queue_ || !audioconvert_ || !tee || !probe_queue || !probe_converter ||
!probe_sink || !audio_queue || !equalizer_preamp_ || !equalizer_ ||
!stereo_panorama_ || !volume_ || !audioscale_ || !convert) {
return false;
}
// Create the replaygain elements if it's enabled. event_probe is the
// audioconvert element we attach the probe to, which will change depending
// on whether replaygain is enabled. convert_sink is the element after the
// first audioconvert, which again will change.
GstElement* event_probe = audioconvert_;
GstElement* convert_sink = tee;
if (rg_enabled_) {
rgvolume_ = engine_->CreateElement("rgvolume", audiobin_);
rglimiter_ = engine_->CreateElement("rglimiter", audiobin_);
audioconvert2_ = engine_->CreateElement("audioconvert", audiobin_);
event_probe = audioconvert2_;
convert_sink = rgvolume_;
if (!rgvolume_ || !rglimiter_ || !audioconvert2_) {
return false;
}
// Set replaygain settings
g_object_set(G_OBJECT(rgvolume_), "album-mode", rg_mode_, nullptr);
g_object_set(G_OBJECT(rgvolume_), "pre-amp", double(rg_preamp_), nullptr);
g_object_set(G_OBJECT(rglimiter_), "enabled", int(rg_compression_),
nullptr);
}
// Create a pad on the outside of the audiobin and connect it to the pad of
// the first element.
GstPad* pad = gst_element_get_static_pad(queue_, "sink");
gst_element_add_pad(audiobin_, gst_ghost_pad_new("sink", pad));
gst_object_unref(pad);
// Add a data probe on the src pad of the audioconvert element for our scope.
// We do it here because we want pre-equalized and pre-volume samples
// so that our visualization are not be affected by them.
pad = gst_element_get_static_pad(event_probe, "src");
gst_pad_add_event_probe(pad, G_CALLBACK(EventHandoffCallback), this);
gst_object_unref(pad);
// Configure the fakesink properly
g_object_set(G_OBJECT(probe_sink), "sync", TRUE, nullptr);
// Set the equalizer bands
g_object_set(G_OBJECT(equalizer_), "num-bands", 10, nullptr);
int last_band_frequency = 0;
for (int i = 0; i < kEqBandCount; ++i) {
GstObject* band =
gst_child_proxy_get_child_by_index(GST_CHILD_PROXY(equalizer_), i);
const float frequency = kEqBandFrequencies[i];
const float bandwidth = frequency - last_band_frequency;
last_band_frequency = frequency;
g_object_set(G_OBJECT(band), "freq", frequency, "bandwidth", bandwidth,
"gain", 0.0f, nullptr);
g_object_unref(G_OBJECT(band));
}
// Set the stereo balance.
g_object_set(G_OBJECT(stereo_panorama_), "panorama", stereo_balance_,
nullptr);
// Set the buffer duration. We set this on this queue instead of the
// decode bin (in ReplaceDecodeBin()) because setting it on the decode bin
// only affects network sources.
// Disable the default buffer and byte limits, so we only buffer based on
// time.
g_object_set(G_OBJECT(queue_), "max-size-buffers", 0, nullptr);
g_object_set(G_OBJECT(queue_), "max-size-bytes", 0, nullptr);
g_object_set(G_OBJECT(queue_), "max-size-time", buffer_duration_nanosec_,
nullptr);
g_object_set(G_OBJECT(queue_), "low-percent", buffer_min_fill_, nullptr);
if (buffer_duration_nanosec_ > 0) {
g_object_set(G_OBJECT(queue_), "use-buffering", true, nullptr);
}
gst_element_link(queue_, audioconvert_);
// Create the caps to put in each path in the tee. The scope path gets 16-bit
// ints and the audiosink path gets float32.
GstCaps* caps16 =
gst_caps_new_simple("audio/x-raw-int", "width", G_TYPE_INT, 16, "signed",
G_TYPE_BOOLEAN, true, nullptr);
GstCaps* caps32 = gst_caps_new_simple("audio/x-raw-float", "width",
G_TYPE_INT, 32, nullptr);
if (mono_playback_) {
gst_caps_set_simple(caps32, "channels", G_TYPE_INT, 1, nullptr);
}
// Link the elements with special caps
gst_element_link_filtered(probe_converter, probe_sink, caps16);
gst_element_link_filtered(audioconvert_, convert_sink, caps32);
gst_caps_unref(caps16);
gst_caps_unref(caps32);
// Link the outputs of tee to the queues on each path.
gst_pad_link(gst_element_get_request_pad(tee, "src%d"),
gst_element_get_static_pad(probe_queue, "sink"));
gst_pad_link(gst_element_get_request_pad(tee, "src%d"),
gst_element_get_static_pad(audio_queue, "sink"));
// Link replaygain elements if enabled.
if (rg_enabled_) {
gst_element_link_many(rgvolume_, rglimiter_, audioconvert2_, tee, nullptr);
}
// Link everything else.
gst_element_link(probe_queue, probe_converter);
gst_element_link_many(audio_queue, equalizer_preamp_, equalizer_,
stereo_panorama_, volume_, audioscale_, convert,
audiosink_, nullptr);
// Add probes and handlers.
gst_pad_add_buffer_probe(gst_element_get_static_pad(probe_converter, "src"),
G_CALLBACK(HandoffCallback), this);
gst_bus_set_sync_handler(gst_pipeline_get_bus(GST_PIPELINE(pipeline_)),
BusCallbackSync, this);
bus_cb_id_ = gst_bus_add_watch(gst_pipeline_get_bus(GST_PIPELINE(pipeline_)),
BusCallback, this);
MaybeLinkDecodeToAudio();
return true;
}
static void
papaya_video_tree_build()
{
GstElement *apq, *vpq;
GstElement *avorb;
GstElement *vshoutsend;
GstElement *vtheora;
GstElement *cbprobe;
GstElement *generalout;
globconf_t *conf = parsed_conf;
struct av_source *av;
/* video playlist, video live, xorg live
* streams are handled here
*/
if(STREAM_TYPE == VIDEO_PLAYLIST ||
STREAM_TYPE == DVB_LIVE ||
STREAM_TYPE == DV1394_LIVE)
srcbin = get_source_bin(NULL);
else if(STREAM_TYPE == VIDEO_LIVE)
srcbin = get_av_live_source_bin();
else if(STREAM_TYPE == XORG_LIVE)
srcbin = get_x_source_bin();
/* add the source bin to the pipeline
*/
CHECK(gst_bin_add(GST_BIN(pipeline), srcbin));
/* in case of video streaming, audio is encoded in
* vorbis format and video in theora format
* TODO: for both video and audio we should have a tee element
* to which attaching monitors
*/
gvmixer = gst_element_factory_make("videomixer", "mainvmixer");
CHECK(gst_bin_add(GST_BIN(pipeline), gvmixer));
adderbin = get_adder_bin();
CHECK(gst_bin_add(GST_BIN(pipeline), adderbin));
if(STREAM_TYPE == VIDEO_PLAYLIST)
{
GstElement *tvid;
tvid = get_videotest_bin();
gst_bin_add(GST_BIN(pipeline), tvid);
add_new_vstream_source(tvid, "tsrc", "testvid");
}
av = (struct av_source *)malloc(sizeof(struct av_source));
av->vstruct = add_new_vstream_source(srcbin, "vsrc", "mainvideo");
av->astruct = add_new_stream_source(srcbin, "asrc%d", "mainaudio");
gst_pad_add_event_probe(gst_element_get_static_pad(srcbin, "asrc%d"),
G_CALLBACK(cb_eos_in_videopl_astream), NULL);
cbprobe = gst_bin_get_by_name(GST_BIN(srcbin), "fdecode");
gst_pad_add_event_probe(gst_element_get_static_pad(srcbin, "vsrc"),
G_CALLBACK(cb_eos_in_videopl_vstream), av);
#ifdef _DEBUG_
g_print("mainvid: %s", av->vstruct->req_pad_name);
#endif
apq = gst_element_factory_make("queue2", NULL);
gst_bin_add(GST_BIN(pipeline), apq);
gst_element_link(adderbin, apq);
vpq = gst_element_factory_make("queue2", NULL);
gst_bin_add(GST_BIN(pipeline), vpq);
gst_element_link(gvmixer, vpq);
if(conf->serving_mode == ICECAST_SERV_MODE){
//FIXME: quite horrid audio chain here must be fixed
avorb = get_vorbis_enc();
gst_bin_add(GST_BIN(pipeline), avorb);
gst_element_link(apq, avorb);
vtheora = get_theora_bin();
gst_bin_add(GST_BIN(pipeline), vtheora);
gst_element_link(vpq, vtheora);
/* the following element is a bin made of a
* oggmux element and the shout2send element */
vshoutsend = get_shout_video_out();
gst_bin_add(GST_BIN(pipeline), vshoutsend);
gst_pad_link(gst_element_get_static_pad(avorb, "src"),
gst_element_get_static_pad(vshoutsend, "sink_0"));
gst_pad_link(gst_element_get_static_pad(vtheora, "src"),
gst_element_get_static_pad(vshoutsend, "sink_1"));
}
else if (conf->serving_mode == RTP_SERV_MODE){
generalout = get_rtp_output_pipe();
gst_bin_add(GST_BIN(pipeline), generalout);
gst_pad_link(gst_element_get_static_pad(apq, "src"),
gst_element_get_static_pad(generalout, "asink"));
gst_pad_link(gst_element_get_static_pad(vpq, "src"),
gst_element_get_static_pad(generalout, "vsink"));
}
}
void
papaya_audio_tree_build()
{
GstElement *audio;
GstElement *sout;
GstPad *prevpad;
struct input_source *in_src;
/*
* we handle audio chains for audio live and
* playlist here
*/
switch (STREAM_TYPE){
case AUDIO_PLAYLIST:
srcbin = get_source_bin(NULL);
break;
case AUDIO_LIVE:
srcbin = get_alsa_source_bin();
break;
}
gst_bin_add(GST_BIN (pipeline), srcbin);
silence = get_silence_bin();
gst_bin_add(GST_BIN(pipeline), silence);
/*
* this is the new code to add sources and link them
* to adder and in a list of sources
*/
adderbin = get_adder_bin();
gst_bin_add(GST_BIN(pipeline), adderbin);
/* add sources */
add_new_stream_source(silence, "src", "main silence source");
in_src = add_new_stream_source(srcbin,
"asrc%d", "bootstrap playlist source");
/* this is used for the playlist EOS handling */
gst_pad_add_event_probe(gst_element_get_static_pad(srcbin,"asrc%d"),
G_CALLBACK(cb_eos_in_filesrc), in_src);
g_print("active sources %d\n", globsrc->active);
atee = gst_element_factory_make("tee","tee");
gst_bin_add(GST_BIN(pipeline),atee);
gst_element_link(adderbin, atee);
/*
* build output is the encoders and converter chain
*/
audio = build_audio_output_chain();
gst_bin_add (GST_BIN (pipeline), audio);
/* the shout2send element */
sout = get_shout_out();
gst_bin_add(GST_BIN(pipeline), sout);
gst_element_link(audio, sout);
add_new_outputs(audio, "sink", "a shout2send output");
/* activate the audio monitor if requested */
if(audiomon)
pass_on();
}
static void
gst_nle_source_pad_added_cb (GstElement * element, GstPad * pad,
GstNleSource * nlesrc)
{
GstCaps *caps;
const GstStructure *s;
const gchar *mime;
GstElement *appsink = NULL;
GstPad *sink_pad;
GstAppSinkCallbacks appsink_cbs;
GstNleSrcItem *item;
item = (GstNleSrcItem *) g_list_nth_data (nlesrc->queue, nlesrc->index);
caps = gst_pad_get_caps_reffed (pad);
s = gst_caps_get_structure (caps, 0);
mime = gst_structure_get_name (s);
GST_DEBUG_OBJECT (nlesrc, "Found mime type: %s", mime);
if (g_strrstr (mime, "video") && !nlesrc->video_linked) {
appsink = gst_element_factory_make ("appsink", NULL);
memset (&appsink_cbs, 0, sizeof (appsink_cbs));
appsink_cbs.eos = gst_nle_source_on_video_eos;
appsink_cbs.new_preroll = gst_nle_source_on_preroll_buffer;
appsink_cbs.new_buffer = gst_nle_source_on_video_buffer;
nlesrc->video_linked = TRUE;
if (!nlesrc->video_srcpad_added) {
gst_pad_set_active (nlesrc->video_srcpad, TRUE);
gst_element_add_pad (GST_ELEMENT (nlesrc),
gst_object_ref (nlesrc->video_srcpad));
nlesrc->video_srcpad_added = TRUE;
}
gst_pad_add_event_probe (GST_BASE_SINK_PAD (GST_BASE_SINK (appsink)),
(GCallback) gst_nle_source_video_pad_probe_cb, nlesrc);
nlesrc->video_eos = FALSE;
} else if (g_strrstr (mime, "audio") && nlesrc->with_audio
&& !nlesrc->audio_linked && (item ? item->rate == 1.0 : TRUE)) {
appsink = gst_element_factory_make ("appsink", NULL);
memset (&appsink_cbs, 0, sizeof (appsink_cbs));
appsink_cbs.eos = gst_nle_source_on_audio_eos;
appsink_cbs.new_preroll = gst_nle_source_on_preroll_buffer;
appsink_cbs.new_buffer = gst_nle_source_on_audio_buffer;
nlesrc->audio_linked = TRUE;
if (!nlesrc->audio_srcpad_added) {
gst_pad_set_active (nlesrc->audio_srcpad, TRUE);
gst_element_add_pad (GST_ELEMENT (nlesrc),
gst_object_ref (nlesrc->audio_srcpad));
nlesrc->audio_srcpad_added = TRUE;
}
gst_pad_add_event_probe (GST_BASE_SINK_PAD (GST_BASE_SINK (appsink)),
(GCallback) gst_nle_source_audio_pad_probe_cb, nlesrc);
nlesrc->audio_eos = FALSE;
}
if (appsink != NULL) {
g_object_set (appsink, "sync", FALSE, NULL);
gst_app_sink_set_callbacks (GST_APP_SINK (appsink), &appsink_cbs, nlesrc,
NULL);
gst_bin_add (GST_BIN (nlesrc->decoder), appsink);
sink_pad = gst_element_get_static_pad (appsink, "sink");
gst_pad_link (pad, sink_pad);
gst_element_sync_state_with_parent (appsink);
gst_object_unref (sink_pad);
}
}
static void
uridecodebin_pad_added_cb (GstElement * uridecodebin, GstPad * pad,
GstDiscoverer * dc)
{
PrivateStream *ps;
GstPad *sinkpad = NULL;
GstCaps *caps;
static GstCaps *subs_caps = NULL;
if (!subs_caps) {
subs_caps = gst_caps_from_string ("text/plain; text/x-pango-markup; "
"subpicture/x-pgs; subpicture/x-dvb; application/x-subtitle-unknown; "
"application/x-ssa; application/x-ass; subtitle/x-kate; "
"video/x-dvd-subpicture; ");
}
GST_DEBUG_OBJECT (dc, "pad %s:%s", GST_DEBUG_PAD_NAME (pad));
ps = g_slice_new0 (PrivateStream);
ps->dc = dc;
ps->pad = pad;
ps->queue = gst_element_factory_make ("queue", NULL);
ps->sink = gst_element_factory_make ("fakesink", NULL);
if (G_UNLIKELY (ps->queue == NULL || ps->sink == NULL))
goto error;
g_object_set (ps->sink, "silent", TRUE, NULL);
g_object_set (ps->queue, "max-size-buffers", 1, "silent", TRUE, NULL);
caps = gst_pad_get_caps_reffed (pad);
if (gst_caps_can_intersect (caps, subs_caps)) {
/* Subtitle streams are sparse and don't provide any information - don't
* wait for data to preroll */
g_object_set (ps->sink, "async", FALSE, NULL);
}
gst_caps_unref (caps);
gst_bin_add_many (dc->priv->pipeline, ps->queue, ps->sink, NULL);
if (!gst_element_link_pads_full (ps->queue, "src", ps->sink, "sink",
GST_PAD_LINK_CHECK_NOTHING))
goto error;
if (!gst_element_sync_state_with_parent (ps->sink))
goto error;
if (!gst_element_sync_state_with_parent (ps->queue))
goto error;
sinkpad = gst_element_get_static_pad (ps->queue, "sink");
if (sinkpad == NULL)
goto error;
if (gst_pad_link_full (pad, sinkpad,
GST_PAD_LINK_CHECK_NOTHING) != GST_PAD_LINK_OK)
goto error;
gst_object_unref (sinkpad);
/* Add an event probe */
gst_pad_add_event_probe (pad, G_CALLBACK (_event_probe), ps);
DISCO_LOCK (dc);
dc->priv->streams = g_list_append (dc->priv->streams, ps);
DISCO_UNLOCK (dc);
GST_DEBUG_OBJECT (dc, "Done handling pad");
return;
error:
GST_ERROR_OBJECT (dc, "Error while handling pad");
if (sinkpad)
gst_object_unref (sinkpad);
if (ps->queue)
gst_object_unref (ps->queue);
if (ps->sink)
gst_object_unref (ps->sink);
g_slice_free (PrivateStream, ps);
return;
}
/**
* gst_wrapper_camera_bin_src_construct_pipeline:
* @bcamsrc: camerasrc object
*
* This function creates and links the elements of the camerasrc bin
* videosrc ! cspconv ! capsfilter ! crop ! scale ! capsfilter ! tee name=t !
* t. ! ... (viewfinder pad)
* t. ! output-selector name=outsel
* outsel. ! (image pad)
* outsel. ! (video pad)
*
* Returns: TRUE, if elements were successfully created, FALSE otherwise
*/
static gboolean
gst_wrapper_camera_bin_src_construct_pipeline (GstBaseCameraSrc * bcamsrc)
{
GstWrapperCameraBinSrc *self = GST_WRAPPER_CAMERA_BIN_SRC (bcamsrc);
GstBin *cbin = GST_BIN (bcamsrc);
GstElement *tee;
gboolean ret = FALSE;
GstElement *videoscale;
GstPad *vf_pad;
GstPad *tee_capture_pad;
if (self->elements_created)
return TRUE;
GST_DEBUG_OBJECT (self, "constructing pipeline");
/* Add application set or default video src element */
if (!(self->src_vid_src = gst_camerabin_setup_default_element (cbin,
self->app_vid_src, "autovideosrc", DEFAULT_VIDEOSRC))) {
self->src_vid_src = NULL;
goto done;
} else {
if (!gst_camerabin_add_element (cbin, self->src_vid_src)) {
goto done;
}
}
/* we lost the reference */
self->app_vid_src = NULL;
/* add a buffer probe to the src elemento to drop EOS from READY->NULL */
{
GstPad *pad;
pad = gst_element_get_static_pad (self->src_vid_src, "src");
self->src_event_probe_id = gst_pad_add_event_probe (pad,
(GCallback) src_event_probe, self);
gst_object_unref (pad);
}
if (!gst_camerabin_create_and_add_element (cbin, "ffmpegcolorspace"))
goto done;
if (!(self->src_filter =
gst_camerabin_create_and_add_element (cbin, "capsfilter")))
goto done;
if (!(self->src_zoom_crop =
gst_camerabin_create_and_add_element (cbin, "videocrop")))
goto done;
if (!(self->src_zoom_scale =
gst_camerabin_create_and_add_element (cbin, "videoscale")))
goto done;
if (!(self->src_zoom_filter =
gst_camerabin_create_and_add_element (cbin, "capsfilter")))
goto done;
if (!(tee = gst_camerabin_create_and_add_element (cbin, "tee")))
goto done;
/* viewfinder pad */
vf_pad = gst_element_get_request_pad (tee, "src%d");
g_object_set (tee, "alloc-pad", vf_pad, NULL);
gst_object_unref (vf_pad);
/* the viewfinder should always work, so we add some converters to it */
if (!gst_camerabin_create_and_add_element (cbin, "ffmpegcolorspace"))
goto done;
if (!(videoscale = gst_camerabin_create_and_add_element (cbin, "videoscale")))
goto done;
/* image/video pad from tee */
tee_capture_pad = gst_element_get_request_pad (tee, "src%d");
self->output_selector =
gst_element_factory_make ("output-selector", "outsel");
gst_bin_add (GST_BIN (self), self->output_selector);
{
GstPad *pad = gst_element_get_static_pad (self->output_selector, "sink");
/* check return TODO */
gst_pad_link (tee_capture_pad, pad);
gst_object_unref (pad);
}
gst_object_unref (tee_capture_pad);
/* Create the 2 output pads for video and image */
self->outsel_vidpad =
gst_element_get_request_pad (self->output_selector, "src%d");
self->outsel_imgpad =
gst_element_get_request_pad (self->output_selector, "src%d");
g_assert (self->outsel_vidpad != NULL);
g_assert (self->outsel_imgpad != NULL);
gst_pad_add_buffer_probe (self->outsel_imgpad,
G_CALLBACK (gst_wrapper_camera_bin_src_imgsrc_probe), self);
gst_pad_add_buffer_probe (self->outsel_vidpad,
G_CALLBACK (gst_wrapper_camera_bin_src_vidsrc_probe), self);
gst_ghost_pad_set_target (GST_GHOST_PAD (self->imgsrc), self->outsel_imgpad);
gst_ghost_pad_set_target (GST_GHOST_PAD (self->vidsrc), self->outsel_vidpad);
if (bcamsrc->mode == MODE_IMAGE) {
g_object_set (self->output_selector, "active-pad", self->outsel_imgpad,
NULL);
} else {
g_object_set (self->output_selector, "active-pad", self->outsel_vidpad,
NULL);
}
/* hook-up the vf ghostpad */
vf_pad = gst_element_get_static_pad (videoscale, "src");
gst_ghost_pad_set_target (GST_GHOST_PAD (self->vfsrc), vf_pad);
gst_object_unref (vf_pad);
gst_pad_set_active (self->vfsrc, TRUE);
gst_pad_set_active (self->imgsrc, TRUE); /* XXX ??? */
gst_pad_set_active (self->vidsrc, TRUE); /* XXX ??? */
ret = TRUE;
self->elements_created = TRUE;
done:
return ret;
}
static void
on_source1_pad_added_cb (GstElement * source, GstPad * pad, gpointer user_data)
{
gst_pad_add_event_probe (pad, G_CALLBACK (on_source1_pad_event_cb), NULL);
}
QGstreamerPlayerSession::QGstreamerPlayerSession(QObject *parent)
:QObject(parent),
m_state(QMediaPlayer::StoppedState),
m_pendingState(QMediaPlayer::StoppedState),
m_busHelper(0),
m_playbin(0),
m_usePlaybin2(false),
m_videoSink(0),
m_pendingVideoSink(0),
m_nullVideoSink(0),
m_bus(0),
m_videoOutput(0),
m_renderer(0),
m_volume(100),
m_playbackRate(1.0),
m_muted(false),
m_audioAvailable(false),
m_videoAvailable(false),
m_seekable(false),
m_lastPosition(0),
m_duration(-1)
{
#ifdef USE_PLAYBIN2
m_playbin = gst_element_factory_make("playbin2", NULL);
#endif
if (m_playbin) {
m_usePlaybin2 = true;
//GST_PLAY_FLAG_NATIVE_VIDEO omits configuration of ffmpegcolorspace and videoscale,
//since those elements are included in the video output bin.
int flags = 0;
g_object_get(G_OBJECT(m_playbin), "flags", &flags, NULL);
flags |= GST_PLAY_FLAG_NATIVE_VIDEO;
g_object_set(G_OBJECT(m_playbin), "flags", flags, NULL);
} else {
m_usePlaybin2 = false;
m_playbin = gst_element_factory_make("playbin", NULL);
}
m_videoOutputBin = gst_bin_new("video-output-bin");
gst_object_ref(GST_OBJECT(m_videoOutputBin));
m_videoIdentity = gst_element_factory_make("identity", "identity-vo");
m_nullVideoSink = gst_element_factory_make("fakesink", NULL);
gst_object_ref(GST_OBJECT(m_nullVideoSink));
gst_bin_add_many(GST_BIN(m_videoOutputBin), m_videoIdentity, m_nullVideoSink, NULL);
gst_element_link_many(m_videoIdentity, m_nullVideoSink, NULL);
//add an event probe before video output to save and repost segment events
{
gst_segment_init (&m_segment, GST_FORMAT_TIME);
GstPad *srcPad = gst_element_get_static_pad(m_videoIdentity, "src");
gst_pad_add_event_probe(srcPad, G_CALLBACK(new_segment_probe), this);
gst_pad_add_buffer_probe(srcPad, G_CALLBACK(new_buffer_probe), this);
gst_object_unref(GST_OBJECT(srcPad));
}
m_videoSink = m_nullVideoSink;
// add ghostpads
GstPad *pad = gst_element_get_static_pad(m_videoIdentity,"sink");
gst_element_add_pad(GST_ELEMENT(m_videoOutputBin), gst_ghost_pad_new("videosink", pad));
gst_object_unref(GST_OBJECT(pad));
if (m_playbin != 0) {
// Sort out messages
m_bus = gst_element_get_bus(m_playbin);
m_busHelper = new QGstreamerBusHelper(m_bus, this);
connect(m_busHelper, SIGNAL(message(QGstreamerMessage)), SLOT(busMessage(QGstreamerMessage)));
m_busHelper->installSyncEventFilter(this);
g_object_set(G_OBJECT(m_playbin), "video-sink", m_videoOutputBin, NULL);
g_signal_connect(G_OBJECT(m_playbin), "notify::source", G_CALLBACK(playbinNotifySource), this);
// Initial volume
double volume = 1.0;
g_object_get(G_OBJECT(m_playbin), "volume", &volume, NULL);
m_volume = int(volume*100);
}
}
/**
* gst_wrapper_camera_bin_src_construct_pipeline:
* @bcamsrc: camerasrc object
*
* This function creates and links the elements of the camerasrc bin
* videosrc ! cspconv ! srcfilter ! cspconv ! capsfilter ! crop ! scale ! \
* capsfilter ! tee name=t
* t. ! ... (viewfinder pad)
* t. ! output-selector name=outsel
* outsel. ! (image pad)
* outsel. ! (video pad)
*
* Returns: TRUE, if elements were successfully created, FALSE otherwise
*/
static gboolean
gst_wrapper_camera_bin_src_construct_pipeline (GstBaseCameraSrc * bcamsrc)
{
GstWrapperCameraBinSrc *self = GST_WRAPPER_CAMERA_BIN_SRC (bcamsrc);
GstBin *cbin = GST_BIN (bcamsrc);
GstElement *tee;
GstElement *filter_csp;
GstElement *src_csp;
GstElement *capsfilter;
gboolean ret = FALSE;
GstPad *vf_pad;
GstPad *tee_capture_pad;
GstPad *src_caps_src_pad;
if (!self->elements_created) {
GST_DEBUG_OBJECT (self, "constructing pipeline");
/* Add application set or default video src element */
if (!(self->src_vid_src = gst_camerabin_setup_default_element (cbin,
self->app_vid_src, "autovideosrc", DEFAULT_VIDEOSRC,
"camerasrc-real-src"))) {
self->src_vid_src = NULL;
goto done;
} else {
if (!gst_camerabin_add_element (cbin, self->src_vid_src)) {
goto done;
}
}
/* we lost the reference */
self->app_vid_src = NULL;
/* we listen for changes to max-zoom in the video src so that
* we can proxy them to the basecamerasrc property */
if (g_object_class_find_property (G_OBJECT_GET_CLASS (bcamsrc), "max-zoom")) {
g_signal_connect (G_OBJECT (self->src_vid_src), "notify::max-zoom",
(GCallback) gst_wrapper_camera_bin_src_max_zoom_cb, bcamsrc);
}
/* add a buffer probe to the src elemento to drop EOS from READY->NULL */
{
GstPad *pad;
pad = gst_element_get_static_pad (self->src_vid_src, "src");
self->src_event_probe_id = gst_pad_add_event_probe (pad,
(GCallback) gst_wrapper_camera_src_src_event_probe, self);
gst_object_unref (pad);
}
if (!gst_camerabin_create_and_add_element (cbin, "ffmpegcolorspace",
"src-colorspace"))
goto done;
if (!(self->src_filter =
gst_camerabin_create_and_add_element (cbin, "capsfilter",
"src-capsfilter")))
goto done;
/* attach to notify::caps on the first capsfilter and use a callback
* to recalculate the zoom properties when these caps change and to
* propagate the caps to the second capsfilter */
src_caps_src_pad = gst_element_get_static_pad (self->src_filter, "src");
g_signal_connect (src_caps_src_pad, "notify::caps",
G_CALLBACK (gst_wrapper_camera_bin_src_caps_cb), self);
gst_object_unref (src_caps_src_pad);
if (!(self->src_zoom_crop =
gst_camerabin_create_and_add_element (cbin, "videocrop",
"zoom-crop")))
goto done;
if (!(self->src_zoom_scale =
gst_camerabin_create_and_add_element (cbin, "videoscale",
"zoom-scale")))
goto done;
if (!(self->src_zoom_filter =
gst_camerabin_create_and_add_element (cbin, "capsfilter",
"zoom-capsfilter")))
goto done;
if (!(tee =
gst_camerabin_create_and_add_element (cbin, "tee",
"camerasrc-tee")))
goto done;
/* viewfinder pad */
vf_pad = gst_element_get_request_pad (tee, "src%d");
g_object_set (tee, "alloc-pad", vf_pad, NULL);
gst_ghost_pad_set_target (GST_GHOST_PAD (self->vfsrc), vf_pad);
gst_object_unref (vf_pad);
/* image/video pad from tee */
tee_capture_pad = gst_element_get_request_pad (tee, "src%d");
self->output_selector =
gst_element_factory_make ("output-selector", "outsel");
g_object_set (self->output_selector, "pad-negotiation-mode", 0, NULL);
gst_bin_add (GST_BIN (self), self->output_selector);
{
GstPad *pad = gst_element_get_static_pad (self->output_selector, "sink");
/* check return TODO */
gst_pad_link (tee_capture_pad, pad);
gst_object_unref (pad);
}
gst_object_unref (tee_capture_pad);
/* Create the 2 output pads for video and image */
self->outsel_vidpad =
gst_element_get_request_pad (self->output_selector, "src%d");
self->outsel_imgpad =
gst_element_get_request_pad (self->output_selector, "src%d");
g_assert (self->outsel_vidpad != NULL);
g_assert (self->outsel_imgpad != NULL);
gst_pad_add_buffer_probe (self->outsel_imgpad,
G_CALLBACK (gst_wrapper_camera_bin_src_imgsrc_probe), self);
gst_pad_add_buffer_probe (self->outsel_vidpad,
G_CALLBACK (gst_wrapper_camera_bin_src_vidsrc_probe), self);
gst_ghost_pad_set_target (GST_GHOST_PAD (self->imgsrc),
self->outsel_imgpad);
gst_ghost_pad_set_target (GST_GHOST_PAD (self->vidsrc),
self->outsel_vidpad);
if (bcamsrc->mode == MODE_IMAGE) {
g_object_set (self->output_selector, "active-pad", self->outsel_imgpad,
NULL);
} else {
g_object_set (self->output_selector, "active-pad", self->outsel_vidpad,
NULL);
}
gst_pad_set_active (self->vfsrc, TRUE);
gst_pad_set_active (self->imgsrc, TRUE); /* XXX ??? */
gst_pad_set_active (self->vidsrc, TRUE); /* XXX ??? */
}
/* Do this even if pipeline is constructed */
if (self->video_filter) {
/* check if we need to replace the current one */
if (self->video_filter != self->app_vid_filter) {
gst_bin_remove (cbin, self->video_filter);
gst_object_unref (self->video_filter);
self->video_filter = NULL;
filter_csp = gst_bin_get_by_name (cbin, "filter-colorspace");
gst_bin_remove (cbin, filter_csp);
gst_object_unref (filter_csp);
filter_csp = NULL;
}
}
if (!self->video_filter) {
if (self->app_vid_filter) {
self->video_filter = gst_object_ref (self->app_vid_filter);
filter_csp = gst_element_factory_make ("ffmpegcolorspace",
"filter-colorspace");
gst_bin_add_many (cbin, self->video_filter, filter_csp, NULL);
src_csp = gst_bin_get_by_name (cbin, "src-colorspace");
capsfilter = gst_bin_get_by_name (cbin, "src-capsfilter");
if (gst_pad_is_linked (gst_element_get_static_pad (src_csp, "src")))
gst_element_unlink (src_csp, capsfilter);
if (!gst_element_link_many (src_csp, self->video_filter, filter_csp,
capsfilter, NULL))
goto done;
}
}
ret = TRUE;
self->elements_created = TRUE;
done:
return ret;
}
