static void
gst_visual_init (GstVisual * visual)
{
/* create the sink and src pads */
visual->sinkpad = gst_pad_new_from_static_template (&sink_template, "sink");
gst_pad_set_setcaps_function (visual->sinkpad, gst_visual_sink_setcaps);
gst_pad_set_chain_function (visual->sinkpad, gst_visual_chain);
gst_pad_set_event_function (visual->sinkpad, gst_visual_sink_event);
gst_element_add_pad (GST_ELEMENT (visual), visual->sinkpad);
visual->srcpad = gst_pad_new_from_static_template (&src_template, "src");
gst_pad_set_setcaps_function (visual->srcpad, gst_visual_src_setcaps);
gst_pad_set_getcaps_function (visual->srcpad, gst_visual_getcaps);
gst_pad_set_event_function (visual->srcpad, gst_visual_src_event);
gst_pad_set_query_function (visual->srcpad, gst_visual_src_query);
gst_element_add_pad (GST_ELEMENT (visual), visual->srcpad);
visual->adapter = gst_adapter_new ();
}
static void
gst_ts_shifter_init (GstTSShifter * ts)
{
ts->sinkpad = gst_pad_new_from_static_template (&sink_factory, "sink");
gst_pad_set_chain_function (ts->sinkpad,
GST_DEBUG_FUNCPTR (gst_ts_shifter_chain));
gst_pad_set_activatemode_function (ts->sinkpad,
GST_DEBUG_FUNCPTR (gst_ts_shifter_sink_activate_mode));
gst_pad_set_event_function (ts->sinkpad,
GST_DEBUG_FUNCPTR (gst_ts_shifter_handle_sink_event));
gst_element_add_pad (GST_ELEMENT (ts), ts->sinkpad);
ts->srcpad = gst_pad_new_from_static_template (&src_factory, "src");
gst_pad_set_activatemode_function (ts->srcpad,
GST_DEBUG_FUNCPTR (gst_ts_shifter_src_activate_mode));
gst_pad_set_event_function (ts->srcpad,
GST_DEBUG_FUNCPTR (gst_ts_shifter_handle_src_event));
gst_pad_set_query_function (ts->srcpad,
GST_DEBUG_FUNCPTR (gst_ts_shifter_handle_src_query));
gst_element_add_pad (GST_ELEMENT (ts), ts->srcpad);
/* set default values */
ts->cur_bytes = 0;
ts->srcresult = GST_FLOW_FLUSHING;
ts->sinkresult = GST_FLOW_FLUSHING;
ts->is_eos = FALSE;
ts->need_newsegment = TRUE;
ts->is_leaking = FALSE;
g_mutex_init (&ts->flow_lock);
g_cond_init (&ts->buffer_add);
ts->allocator_name = NULL;
ts->cache = NULL;
ts->cache_size = DEFAULT_CACHE_SIZE;
GST_DEBUG_OBJECT (ts, "initialized time shifter");
}
static void
gst_raw_parse_init (GstRawParse * rp, GstRawParseClass * g_class)
{
GstPadTemplate *src_pad_template;
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
rp->sinkpad =
gst_pad_new_from_static_template (&gst_raw_parse_sink_pad_template,
"sink");
gst_pad_set_chain_function (rp->sinkpad,
GST_DEBUG_FUNCPTR (gst_raw_parse_chain));
gst_pad_set_event_function (rp->sinkpad,
GST_DEBUG_FUNCPTR (gst_raw_parse_sink_event));
gst_pad_set_activate_function (rp->sinkpad,
GST_DEBUG_FUNCPTR (gst_raw_parse_sink_activate));
gst_pad_set_activatemode_function (rp->sinkpad,
GST_DEBUG_FUNCPTR (gst_raw_parse_sink_activatemode));
gst_element_add_pad (GST_ELEMENT (rp), rp->sinkpad);
src_pad_template = gst_element_class_get_pad_template (element_class, "src");
if (src_pad_template) {
rp->srcpad = gst_pad_new_from_template (src_pad_template, "src");
} else {
g_warning ("Subclass didn't specify a src pad template");
g_assert_not_reached ();
}
gst_pad_set_event_function (rp->srcpad,
GST_DEBUG_FUNCPTR (gst_raw_parse_src_event));
gst_pad_set_query_function (rp->srcpad,
GST_DEBUG_FUNCPTR (gst_raw_parse_src_query));
gst_element_add_pad (GST_ELEMENT (rp), rp->srcpad);
rp->adapter = gst_adapter_new ();
rp->fps_n = 1;
rp->fps_d = 0;
rp->framesize = 1;
gst_raw_parse_reset (rp);
}
static void
gst_vcd_parse_init (GstVcdParse * vcd, GstVcdParseClass * klass)
{
vcd->sinkpad = gst_pad_new_from_static_template (&sink_factory, "sink");
gst_pad_set_chain_function (vcd->sinkpad,
GST_DEBUG_FUNCPTR (gst_vcd_parse_chain));
gst_pad_set_event_function (vcd->sinkpad,
GST_DEBUG_FUNCPTR (gst_vcd_parse_sink_event));
gst_element_add_pad (GST_ELEMENT (vcd), vcd->sinkpad);
vcd->srcpad = gst_pad_new_from_static_template (&src_factory, "src");
gst_pad_set_event_function (vcd->srcpad,
GST_DEBUG_FUNCPTR (gst_vcd_parse_src_event));
gst_pad_set_query_function (vcd->srcpad,
GST_DEBUG_FUNCPTR (gst_vcd_parse_src_query));
gst_pad_use_fixed_caps (vcd->srcpad);
gst_pad_set_caps (vcd->srcpad,
gst_static_pad_template_get_caps (&src_factory));
gst_element_add_pad (GST_ELEMENT (vcd), vcd->srcpad);
}
static void
gst_flxdec_init (GstFlxDec * flxdec)
{
flxdec->sinkpad = gst_pad_new_from_static_template (&sink_factory, "sink");
gst_element_add_pad (GST_ELEMENT (flxdec), flxdec->sinkpad);
gst_pad_set_chain_function (flxdec->sinkpad, gst_flxdec_chain);
gst_pad_set_event_function (flxdec->sinkpad, gst_flxdec_sink_event_handler);
flxdec->srcpad = gst_pad_new_from_static_template (&src_video_factory, "src");
gst_element_add_pad (GST_ELEMENT (flxdec), flxdec->srcpad);
gst_pad_set_query_function (flxdec->srcpad, gst_flxdec_src_query_handler);
gst_pad_set_event_function (flxdec->srcpad, gst_flxdec_src_event_handler);
gst_pad_use_fixed_caps (flxdec->srcpad);
flxdec->frame = NULL;
flxdec->delta = NULL;
flxdec->adapter = gst_adapter_new ();
}
static void
gst_gme_dec_init (GstGmeDec * gme)
{
gme->sinkpad = gst_pad_new_from_static_template (&sink_factory, "sink");
/* gst_pad_set_query_function (gme->sinkpad, NULL); */
gst_pad_set_event_function (gme->sinkpad, gst_gme_dec_sink_event);
gst_pad_set_chain_function (gme->sinkpad, gst_gme_dec_chain);
gst_element_add_pad (GST_ELEMENT (gme), gme->sinkpad);
gme->srcpad = gst_pad_new_from_static_template (&src_factory, "src");
gst_pad_set_event_function (gme->srcpad, gst_gme_dec_src_event);
gst_pad_set_query_function (gme->srcpad, gst_gme_dec_src_query);
gst_pad_use_fixed_caps (gme->srcpad);
gst_element_add_pad (GST_ELEMENT (gme), gme->srcpad);
gme->adapter = gst_adapter_new ();
gme->player = NULL;
gme->total_duration = GST_CLOCK_TIME_NONE;
gme->initialized = FALSE;
}
// quality MUST be within the range of [0-2]
int transcode_music(int infd, int quality) {
assert(quality >= 0 && (unsigned int)quality < QUALITY_RAW);
// Raw not supported yet
if(quality == QUALITY_RAW) { quality = 2; }
GError* error = NULL;
GstElement* pipeline = gst_parse_launch(MUSIC_PIPELINE, &error);
if(error != NULL) {
fprintf(stderr, "Failed to initialize gstreamer pipeline: %s\n", error->message);
return 1;
}
if(pipeline == NULL) {
fprintf(stderr, "Failed to initialize gstreamer plugin");
return 1;
}
GstElement* src = gst_bin_get_by_name(GST_BIN(pipeline), "src");
GstElement* converter = gst_bin_get_by_name(GST_BIN(pipeline), "converter");
GstPad* converter_sink = gst_element_get_static_pad(converter, "sink");
GstElement* enc = gst_bin_get_by_name(GST_BIN(pipeline), "enc");
GstElement* sink = gst_bin_get_by_name(GST_BIN(pipeline), "sink");
if(src == NULL || converter == NULL || enc == NULL || sink == NULL) {
fprintf(stderr, "Failed to select gstreamer elements\n");
return 1;
}
if(converter_sink == NULL) {
fprintf(stderr, "Failed to select converter sink\n");
return 1;
}
g_object_set(G_OBJECT(src), "fd", infd, NULL);
g_object_set(G_OBJECT(enc), "quality", MUSIC_QUALITIES[quality], NULL);
g_object_set(G_OBJECT(sink), "fd", 1, NULL);
GMainLoop* loop = g_main_loop_new(NULL, false);
GstBus* bus = gst_pipeline_get_bus(GST_PIPELINE(pipeline));
gst_bus_add_watch(bus, bus_call, loop);
gst_object_unref(bus);
// We have to remove any image tags. They're unnecessary, and can cause
// libvorbis to crash.
gst_pad_set_event_function(converter_sink, remove_image);
gst_object_unref(converter_sink);
gst_element_set_state(pipeline, GST_STATE_PLAYING);
g_main_loop_run(loop);
gst_element_set_state(pipeline, GST_STATE_NULL);
return 0;
}
static void
gst_rsvg_dec_init (GstRsvgDec * rsvg, GstRsvgDecClass * klass)
{
rsvg->sinkpad = gst_pad_new_from_static_template (&sink_factory, "sink");
gst_pad_set_setcaps_function (rsvg->sinkpad, gst_rsvg_dec_sink_set_caps);
gst_pad_set_event_function (rsvg->sinkpad, gst_rsvg_dec_sink_event);
gst_pad_set_chain_function (rsvg->sinkpad, gst_rsvg_dec_chain);
gst_element_add_pad (GST_ELEMENT (rsvg), rsvg->sinkpad);
rsvg->srcpad = gst_pad_new_from_static_template (&src_factory, "src");
gst_pad_set_event_function (rsvg->srcpad, gst_rsvg_dec_src_event);
gst_pad_set_query_function (rsvg->srcpad, gst_rsvg_dec_src_query);
gst_pad_set_query_type_function (rsvg->srcpad, gst_rsvg_dec_src_query_type);
gst_pad_set_setcaps_function (rsvg->srcpad, gst_rsvg_dec_src_set_caps);
gst_element_add_pad (GST_ELEMENT (rsvg), rsvg->srcpad);
rsvg->adapter = gst_adapter_new ();
gst_rsvg_dec_reset (rsvg);
}
static void
gst_spc_dec_init (GstSpcDec * spc, GstSpcDecClass * klass)
{
spc->sinkpad = gst_pad_new_from_static_template (&sink_factory, "sink");
/* gst_pad_set_query_function (spc->sinkpad, NULL); */
gst_pad_set_event_function (spc->sinkpad, gst_spc_dec_sink_event);
gst_pad_set_chain_function (spc->sinkpad, gst_spc_dec_chain);
gst_element_add_pad (GST_ELEMENT (spc), spc->sinkpad);
spc->srcpad = gst_pad_new_from_static_template (&src_factory, "src");
gst_pad_set_event_function (spc->srcpad, gst_spc_dec_src_event);
gst_pad_set_query_function (spc->srcpad, gst_spc_dec_src_query);
gst_pad_set_query_type_function (spc->srcpad, gst_spc_dec_src_query_type);
gst_pad_use_fixed_caps (spc->srcpad);
gst_element_add_pad (GST_ELEMENT (spc), spc->srcpad);
spc->buf = NULL;
spc->initialized = FALSE;
spc_tag_clear (&spc->tag_info);
}
static void
gst_vdp_vpp_init (GstVdpVideoPostProcess * vpp,
GstVdpVideoPostProcessClass * gclass)
{
GstPadTemplate *src_template, *sink_template;
vpp->device = NULL;
vpp->mixer = VDP_INVALID_HANDLE;
vpp->display = NULL;
vpp->force_aspect_ratio = FALSE;
vpp->mode = GST_VDP_DEINTERLACE_MODE_AUTO;
vpp->method = GST_VDP_DEINTERLACE_METHOD_BOB;
vpp->noise_reduction = 0.0;
vpp->sharpening = 0.0;
/* SRC PAD */
src_template =
gst_element_class_get_pad_template (GST_ELEMENT_CLASS (gclass), "src");
vpp->srcpad = GST_PAD (gst_vdp_output_src_pad_new (src_template, "src"));
gst_element_add_pad (GST_ELEMENT (vpp), vpp->srcpad);
gst_pad_set_event_function (vpp->srcpad,
GST_DEBUG_FUNCPTR (gst_vdp_vpp_src_event));
/* SINK PAD */
sink_template =
gst_element_class_get_pad_template (GST_ELEMENT_CLASS (gclass), "sink");
vpp->sinkpad = gst_pad_new_from_template (sink_template, "sink");
gst_element_add_pad (GST_ELEMENT (vpp), vpp->sinkpad);
gst_pad_set_getcaps_function (vpp->sinkpad, gst_vdp_vpp_sink_getcaps);
gst_pad_set_setcaps_function (vpp->sinkpad, gst_vdp_vpp_sink_setcaps);
gst_pad_set_chain_function (vpp->sinkpad,
GST_DEBUG_FUNCPTR (gst_vdp_vpp_chain));
gst_pad_set_event_function (vpp->sinkpad,
GST_DEBUG_FUNCPTR (gst_vdp_vpp_sink_event));
}
static void
link_sinks (GstElement * mpegtsmux,
GstPad ** src1, GstPad ** src2, GstPad ** src3, TestData * test_data)
{
GstPad *mux_sink1, *mux_sink2, *mux_sink3;
GstCaps *caps;
/* link 3 sink pads, 2 video 1 audio */
*src1 = gst_pad_new_from_static_template (&video_src_template, "src1");
gst_pad_set_active (*src1, TRUE);
gst_pad_set_element_private (*src1, test_data);
gst_pad_set_event_function (*src1, src_event);
mux_sink1 = gst_element_get_request_pad (mpegtsmux, "sink_1");
fail_unless (gst_pad_link (*src1, mux_sink1) == GST_PAD_LINK_OK);
*src2 = gst_pad_new_from_static_template (&video_src_template, "src2");
gst_pad_set_active (*src2, TRUE);
gst_pad_set_element_private (*src2, test_data);
gst_pad_set_event_function (*src2, src_event);
mux_sink2 = gst_element_get_request_pad (mpegtsmux, "sink_2");
fail_unless (gst_pad_link (*src2, mux_sink2) == GST_PAD_LINK_OK);
*src3 = gst_pad_new_from_static_template (&audio_src_template, "src3");
gst_pad_set_active (*src3, TRUE);
gst_pad_set_element_private (*src3, test_data);
gst_pad_set_event_function (*src3, src_event);
mux_sink3 = gst_element_get_request_pad (mpegtsmux, "sink_3");
fail_unless (gst_pad_link (*src3, mux_sink3) == GST_PAD_LINK_OK);
caps = gst_caps_new_simple ("video/x-h264", NULL);
gst_pad_set_caps (mux_sink1, caps);
gst_pad_set_caps (mux_sink2, caps);
gst_caps_unref (caps);
caps = gst_caps_new_simple ("audio/mpeg", "mpegversion", G_TYPE_INT, 4, NULL);
gst_pad_set_caps (mux_sink3, caps);
gst_caps_unref (caps);
gst_object_unref (mux_sink1);
gst_object_unref (mux_sink2);
gst_object_unref (mux_sink3);
}
static void
gst_hls_demux_init (GstHLSDemux * demux, GstHLSDemuxClass * klass)
{
/* sink pad */
demux->sinkpad = gst_pad_new_from_static_template (&sinktemplate, "sink");
gst_pad_set_chain_function (demux->sinkpad,
GST_DEBUG_FUNCPTR (gst_hls_demux_chain));
gst_pad_set_event_function (demux->sinkpad,
GST_DEBUG_FUNCPTR (gst_hls_demux_sink_event));
gst_element_add_pad (GST_ELEMENT (demux), demux->sinkpad);
/* fetcher pad */
demux->fetcherpad =
gst_pad_new_from_static_template (&fetchertemplate, "sink");
gst_pad_set_chain_function (demux->fetcherpad,
GST_DEBUG_FUNCPTR (gst_hls_demux_fetcher_chain));
gst_pad_set_event_function (demux->fetcherpad,
GST_DEBUG_FUNCPTR (gst_hls_demux_fetcher_sink_event));
gst_pad_set_element_private (demux->fetcherpad, demux);
gst_pad_activate_push (demux->fetcherpad, TRUE);
demux->do_typefind = TRUE;
/* Properties */
demux->fragments_cache = DEFAULT_FRAGMENTS_CACHE;
demux->bitrate_switch_tol = DEFAULT_BITRATE_SWITCH_TOLERANCE;
demux->download = gst_adapter_new ();
demux->fetcher_bus = gst_bus_new ();
gst_bus_set_sync_handler (demux->fetcher_bus,
gst_hls_demux_fetcher_bus_handler, demux);
demux->thread_cond = g_cond_new ();
demux->thread_lock = g_mutex_new ();
demux->fetcher_cond = g_cond_new ();
demux->fetcher_lock = g_mutex_new ();
demux->queue = g_queue_new ();
g_static_rec_mutex_init (&demux->task_lock);
/* FIXME: This really should be a pad task instead */
demux->task = gst_task_create ((GstTaskFunction) gst_hls_demux_loop, demux);
gst_task_set_lock (demux->task, &demux->task_lock);
}
static void
type_instance_init (GTypeInstance *instance,
gpointer g_class)
{
GstOmxBaseFilter2 *self;
GstElementClass *element_class;
GstOmxBaseFilter2Class *bclass;
int i;
char srcname[10];
element_class = GST_ELEMENT_CLASS (g_class);
bclass = GST_OMX_BASE_FILTER2_CLASS (g_class);
self = GST_OMX_BASE_FILTER2 (instance);
GST_LOG_OBJECT (self, "begin");
/* GOmx */
self->gomx = g_omx_core_new (self, g_class);
self->in_port = g_omx_core_get_port (self->gomx, "in", 0);
self->in_port->omx_allocate = TRUE;
self->in_port->share_buffer = FALSE;
for (i = 0; i < NUM_OUTPUTS; i++) {
sprintf(srcname, "out_%02x", i);
self->out_port[i] = g_omx_core_get_port (self->gomx, srcname, 1+i);
self->out_port[i]->buffer_alloc = buffer_alloc;
self->out_port[i]->omx_allocate = TRUE;
self->out_port[i]->share_buffer = FALSE;
}
self->ready_lock = g_mutex_new ();
self->sinkpad =
gst_pad_new_from_template (gst_element_class_get_pad_template (element_class, "sink"), "sink");
gst_pad_set_chain_function (self->sinkpad, bclass->pad_chain);
gst_pad_set_event_function (self->sinkpad, bclass->pad_event);
gst_element_add_pad (GST_ELEMENT (self), self->sinkpad);
for (i = 0; i < NUM_OUTPUTS; i++) {
sprintf(srcname, "src_%02x", i);
self->srcpad[i] =
gst_pad_new_from_template (gst_element_class_get_pad_template (element_class, srcname), srcname);
gst_pad_set_activatepush_function (self->srcpad[i], activate_push);
gst_pad_use_fixed_caps (self->srcpad[i]);
gst_element_add_pad (GST_ELEMENT (self), self->srcpad[i]);
}
self->duration = GST_CLOCK_TIME_NONE;
self->input_fields_separately = FALSE;
GST_LOG_OBJECT (self, "end");
}
static GstElement *
setup_fdsrc (void)
{
GstElement *fdsrc;
GST_DEBUG ("setup_fdsrc");
fdsrc = gst_check_setup_element ("fdsrc");
mysinkpad = gst_check_setup_sink_pad (fdsrc, &sinktemplate, NULL);
gst_pad_set_event_function (mysinkpad, event_func);
gst_pad_set_active (mysinkpad, TRUE);
return fdsrc;
}
static void
splitmux_part_pad_constructed (GObject * pad)
{
gst_pad_set_chain_function (GST_PAD (pad),
GST_DEBUG_FUNCPTR (splitmux_part_pad_chain));
gst_pad_set_event_function (GST_PAD (pad),
GST_DEBUG_FUNCPTR (splitmux_part_pad_event));
gst_pad_set_query_function (GST_PAD (pad),
GST_DEBUG_FUNCPTR (splitmux_part_pad_query));
G_OBJECT_CLASS (gst_splitmux_part_pad_parent_class)->constructed (pad);
}
static void
gst_rtp_base_payload_init (GstRTPBasePayload * rtpbasepayload, gpointer g_class)
{
GstPadTemplate *templ;
GstRTPBasePayloadPrivate *priv;
rtpbasepayload->priv = priv =
GST_RTP_BASE_PAYLOAD_GET_PRIVATE (rtpbasepayload);
templ =
gst_element_class_get_pad_template (GST_ELEMENT_CLASS (g_class), "src");
g_return_if_fail (templ != NULL);
rtpbasepayload->srcpad = gst_pad_new_from_template (templ, "src");
gst_element_add_pad (GST_ELEMENT (rtpbasepayload), rtpbasepayload->srcpad);
templ =
gst_element_class_get_pad_template (GST_ELEMENT_CLASS (g_class), "sink");
g_return_if_fail (templ != NULL);
rtpbasepayload->sinkpad = gst_pad_new_from_template (templ, "sink");
gst_pad_set_chain_function (rtpbasepayload->sinkpad,
gst_rtp_base_payload_chain);
gst_pad_set_event_function (rtpbasepayload->sinkpad,
gst_rtp_base_payload_sink_event);
gst_pad_set_query_function (rtpbasepayload->sinkpad,
gst_rtp_base_payload_query);
gst_element_add_pad (GST_ELEMENT (rtpbasepayload), rtpbasepayload->sinkpad);
rtpbasepayload->mtu = DEFAULT_MTU;
rtpbasepayload->pt = DEFAULT_PT;
rtpbasepayload->seqnum_offset = DEFAULT_SEQNUM_OFFSET;
rtpbasepayload->ssrc = DEFAULT_SSRC;
rtpbasepayload->ts_offset = DEFAULT_TIMESTAMP_OFFSET;
priv->seqnum_offset_random = (rtpbasepayload->seqnum_offset == -1);
priv->ts_offset_random = (rtpbasepayload->ts_offset == -1);
priv->ssrc_random = (rtpbasepayload->ssrc == -1);
rtpbasepayload->max_ptime = DEFAULT_MAX_PTIME;
rtpbasepayload->min_ptime = DEFAULT_MIN_PTIME;
rtpbasepayload->priv->perfect_rtptime = DEFAULT_PERFECT_RTPTIME;
rtpbasepayload->ptime_multiple = DEFAULT_PTIME_MULTIPLE;
rtpbasepayload->priv->base_offset = GST_BUFFER_OFFSET_NONE;
rtpbasepayload->priv->base_rtime = GST_BUFFER_OFFSET_NONE;
rtpbasepayload->media = NULL;
rtpbasepayload->encoding_name = NULL;
rtpbasepayload->clock_rate = 0;
rtpbasepayload->priv->caps_max_ptime = DEFAULT_MAX_PTIME;
rtpbasepayload->priv->prop_max_ptime = DEFAULT_MAX_PTIME;
}
static void
gst_base_video_encoder_init (GstBaseVideoEncoder * base_video_encoder,
GstBaseVideoEncoderClass * klass)
{
GstPad *pad;
GST_DEBUG ("gst_base_video_encoder_init");
pad = GST_BASE_VIDEO_CODEC_SINK_PAD (base_video_encoder);
gst_pad_set_chain_function (pad, gst_base_video_encoder_chain);
gst_pad_set_event_function (pad, gst_base_video_encoder_sink_event);
gst_pad_set_setcaps_function (pad, gst_base_video_encoder_sink_setcaps);
//gst_pad_set_query_function (pad, gst_base_video_encoder_sink_query);
pad = GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_encoder);
gst_pad_set_query_type_function (pad, gst_base_video_encoder_get_query_types);
gst_pad_set_query_function (pad, gst_base_video_encoder_src_query);
gst_pad_set_event_function (pad, gst_base_video_encoder_src_event);
}
static void
gst_dshowvideodec_init (GstDshowVideoDec * vdec,
GstDshowVideoDecClass * vdec_class)
{
GstElementClass *element_class = GST_ELEMENT_GET_CLASS (vdec);
/* setup pads */
vdec->sinkpad =
gst_pad_new_from_template (gst_element_class_get_pad_template
(element_class, "sink"), "sink");
gst_pad_set_setcaps_function (vdec->sinkpad, gst_dshowvideodec_sink_setcaps);
gst_pad_set_event_function (vdec->sinkpad, gst_dshowvideodec_sink_event);
gst_pad_set_chain_function (vdec->sinkpad, gst_dshowvideodec_chain);
gst_element_add_pad (GST_ELEMENT (vdec), vdec->sinkpad);
vdec->srcpad =
gst_pad_new_from_template (gst_element_class_get_pad_template
(element_class, "src"), "src");
/* needed to implement caps negociation on our src pad */
/* gst_pad_set_getcaps_function (vdec->srcpad, gst_dshowvideodec_src_getcaps);
gst_pad_set_setcaps_function (vdec->srcpad, gst_dshowvideodec_src_setcaps);*/
gst_element_add_pad (GST_ELEMENT (vdec), vdec->srcpad);
vdec->fakesrc = NULL;
vdec->fakesink = NULL;
vdec->decfilter = NULL;
vdec->last_ret = GST_FLOW_OK;
vdec->filtergraph = NULL;
vdec->mediafilter = NULL;
vdec->srccaps = NULL;
vdec->segment = gst_segment_new ();
vdec->setup = FALSE;
vdec->com_init_lock = g_mutex_new();
vdec->com_deinit_lock = g_mutex_new();
vdec->com_initialized = g_cond_new();
vdec->com_uninitialize = g_cond_new();
vdec->com_uninitialized = g_cond_new();
g_mutex_lock (vdec->com_init_lock);
/* create the COM initialization thread */
g_thread_create ((GThreadFunc)gst_dshowvideodec_com_thread,
vdec, FALSE, NULL);
/* wait until the COM thread signals that COM has been initialized */
g_cond_wait (vdec->com_initialized, vdec->com_init_lock);
g_mutex_unlock (vdec->com_init_lock);
}
static void
gst_gdp_depay_init (GstGDPDepay * gdpdepay)
{
gdpdepay->sinkpad =
gst_pad_new_from_static_template (&gdp_depay_sink_template, "sink");
gst_pad_set_chain_function (gdpdepay->sinkpad,
GST_DEBUG_FUNCPTR (gst_gdp_depay_chain));
gst_pad_set_event_function (gdpdepay->sinkpad,
GST_DEBUG_FUNCPTR (gst_gdp_depay_sink_event));
gst_element_add_pad (GST_ELEMENT (gdpdepay), gdpdepay->sinkpad);
gdpdepay->srcpad =
gst_pad_new_from_static_template (&gdp_depay_src_template, "src");
gst_pad_set_event_function (gdpdepay->srcpad,
GST_DEBUG_FUNCPTR (gst_gdp_depay_src_event));
/* our caps will always be decided by the incoming GDP caps buffers */
gst_pad_use_fixed_caps (gdpdepay->srcpad);
gst_element_add_pad (GST_ELEMENT (gdpdepay), gdpdepay->srcpad);
gdpdepay->adapter = gst_adapter_new ();
}
static void
gst_ffmpegscale_init(GstFFMpegScale* scale, GstFFMpegScaleClass* klass) {
GstBaseTransform* trans = GST_BASE_TRANSFORM(scale);
gst_pad_set_event_function(trans->srcpad, gst_ffmpegscale_handle_src_event);
scale->method = DEFAULT_PROP_METHOD;
scale->add_borders = FALSE;
scale->ctx = NULL;
scale->in_pixfmt = PIX_FMT_NONE;
scale->out_pixfmt = PIX_FMT_NONE;
}
static void
gst_type_find_element_init (GstTypeFindElement * typefind)
{
/* sinkpad */
typefind->sink =
gst_pad_new_from_static_template (&type_find_element_sink_template,
"sink");
gst_pad_set_activate_function (typefind->sink,
GST_DEBUG_FUNCPTR (gst_type_find_element_activate_sink));
gst_pad_set_activatemode_function (typefind->sink,
GST_DEBUG_FUNCPTR (gst_type_find_element_activate_sink_mode));
gst_pad_set_chain_function (typefind->sink,
GST_DEBUG_FUNCPTR (gst_type_find_element_chain));
gst_pad_set_event_function (typefind->sink,
GST_DEBUG_FUNCPTR (gst_type_find_element_sink_event));
GST_PAD_SET_PROXY_ALLOCATION (typefind->sink);
gst_element_add_pad (GST_ELEMENT (typefind), typefind->sink);
/* srcpad */
typefind->src =
gst_pad_new_from_static_template (&type_find_element_src_template, "src");
gst_pad_set_activatemode_function (typefind->src,
GST_DEBUG_FUNCPTR (gst_type_find_element_activate_src_mode));
gst_pad_set_getrange_function (typefind->src,
GST_DEBUG_FUNCPTR (gst_type_find_element_getrange));
gst_pad_set_event_function (typefind->src,
GST_DEBUG_FUNCPTR (gst_type_find_element_src_event));
gst_pad_set_query_function (typefind->src,
GST_DEBUG_FUNCPTR (gst_type_find_handle_src_query));
gst_pad_use_fixed_caps (typefind->src);
gst_element_add_pad (GST_ELEMENT (typefind), typefind->src);
typefind->mode = MODE_TYPEFIND;
typefind->caps = NULL;
typefind->min_probability = 1;
typefind->adapter = gst_adapter_new ();
}
static void
gst_basertppayload_init (GstBaseRTPPayload * basertppayload, gpointer g_class)
{
GstPadTemplate *templ;
GstBaseRTPPayloadPrivate *priv;
basertppayload->priv = priv =
GST_BASE_RTP_PAYLOAD_GET_PRIVATE (basertppayload);
templ =
gst_element_class_get_pad_template (GST_ELEMENT_CLASS (g_class), "src");
g_return_if_fail (templ != NULL);
basertppayload->srcpad = gst_pad_new_from_template (templ, "src");
gst_element_add_pad (GST_ELEMENT (basertppayload), basertppayload->srcpad);
templ =
gst_element_class_get_pad_template (GST_ELEMENT_CLASS (g_class), "sink");
g_return_if_fail (templ != NULL);
basertppayload->sinkpad = gst_pad_new_from_template (templ, "sink");
gst_pad_set_setcaps_function (basertppayload->sinkpad,
gst_basertppayload_sink_setcaps);
gst_pad_set_getcaps_function (basertppayload->sinkpad,
gst_basertppayload_sink_getcaps);
gst_pad_set_event_function (basertppayload->sinkpad,
gst_basertppayload_event);
gst_pad_set_chain_function (basertppayload->sinkpad,
gst_basertppayload_chain);
gst_element_add_pad (GST_ELEMENT (basertppayload), basertppayload->sinkpad);
basertppayload->seq_rand = g_rand_new ();
basertppayload->ssrc_rand = g_rand_new ();
basertppayload->ts_rand = g_rand_new ();
basertppayload->mtu = DEFAULT_MTU;
basertppayload->pt = DEFAULT_PT;
basertppayload->seqnum_offset = DEFAULT_SEQNUM_OFFSET;
basertppayload->ssrc = DEFAULT_SSRC;
basertppayload->ts_offset = DEFAULT_TIMESTAMP_OFFSET;
priv->seqnum_offset_random = (basertppayload->seqnum_offset == -1);
priv->ts_offset_random = (basertppayload->ts_offset == -1);
priv->ssrc_random = (basertppayload->ssrc == -1);
basertppayload->max_ptime = DEFAULT_MAX_PTIME;
basertppayload->min_ptime = DEFAULT_MIN_PTIME;
basertppayload->media = NULL;
basertppayload->encoding_name = NULL;
basertppayload->clock_rate = 0;
}
static void
type_instance_init (GTypeInstance *instance,
gpointer g_class)
{
GstOmxBaseFilter *self;
GstElementClass *element_class;
element_class = GST_ELEMENT_CLASS (g_class);
self = GST_OMX_BASE_FILTER (instance);
GST_LOG_OBJECT (self, "begin");
self->use_timestamps = TRUE;
/* GOmx */
{
GOmxCore *gomx;
self->gomx = gomx = g_omx_core_new ();
gomx->object = self;
}
self->ready_lock = g_mutex_new ();
self->sinkpad =
gst_pad_new_from_template (gst_element_class_get_pad_template (element_class, "sink"), "sink");
gst_pad_set_chain_function (self->sinkpad, pad_chain);
gst_pad_set_event_function (self->sinkpad, pad_event);
self->srcpad =
gst_pad_new_from_template (gst_element_class_get_pad_template (element_class, "src"), "src");
gst_pad_set_activatepush_function (self->srcpad, activate_push);
gst_pad_use_fixed_caps (self->srcpad);
gst_element_add_pad (GST_ELEMENT (self), self->sinkpad);
gst_element_add_pad (GST_ELEMENT (self), self->srcpad);
{
const char *tmp;
tmp = g_type_get_qdata (G_OBJECT_CLASS_TYPE (g_class),
g_quark_from_static_string ("library-name"));
self->omx_library = g_strdup (tmp);
tmp = g_type_get_qdata (G_OBJECT_CLASS_TYPE (g_class),
g_quark_from_static_string ("component-name"));
self->omx_component = g_strdup (tmp);
}
GST_LOG_OBJECT (self, "end");
}
static void mpegts_demuxer_add_pad(MpegTSDemuxer *demuxer, GstPad *pad, GstCaps *caps)
{
GstEvent *caps_event = NULL;
gst_pad_set_query_function (pad, mpegts_demuxer_src_query);
gst_pad_set_event_function (pad, mpegts_demuxer_src_event);
gst_pad_set_active(pad, TRUE);
gst_pad_use_fixed_caps (pad);
caps_event = gst_event_new_caps(caps);
if (caps_event)
gst_pad_push_event (pad, caps_event);
gst_caps_unref (caps);
gst_element_add_pad(GST_ELEMENT(demuxer), pad);
}
static void
gst_rdt_depay_init (GstRDTDepay * rdtdepay)
{
rdtdepay->sinkpad =
gst_pad_new_from_static_template (&gst_rdt_depay_sink_template, "sink");
gst_pad_set_chain_function (rdtdepay->sinkpad, gst_rdt_depay_chain);
gst_pad_set_event_function (rdtdepay->sinkpad, gst_rdt_depay_sink_event);
gst_element_add_pad (GST_ELEMENT_CAST (rdtdepay), rdtdepay->sinkpad);
rdtdepay->srcpad =
gst_pad_new_from_static_template (&gst_rdt_depay_src_template, "src");
gst_element_add_pad (GST_ELEMENT_CAST (rdtdepay), rdtdepay->srcpad);
}
static void gst_sctp_dec_init(GstSctpDec *self)
{
self->sctp_association_id = DEFAULT_GST_SCTP_ASSOCIATION_ID;
self->local_sctp_port = DEFAULT_LOCAL_SCTP_PORT;
self->sink_pad = gst_pad_new_from_static_template(&sink_template, "sink");
gst_pad_set_chain_function(self->sink_pad,
GST_DEBUG_FUNCPTR((GstPadChainFunction) gst_sctp_dec_packet_chain));
gst_pad_set_event_function(self->sink_pad,
GST_DEBUG_FUNCPTR((GstPadEventFunction) gst_sctp_dec_packet_event));
gst_element_add_pad(GST_ELEMENT(self), self->sink_pad);
}
static void
gst_schro_dec_init (GstSchroDec *schro_dec, GstSchroDecClass *klass)
{
GST_DEBUG ("gst_schro_dec_init");
schro_dec->decoder = schro_decoder_new ();
schro_dec->sinkpad = gst_pad_new_from_static_template (&gst_schro_dec_sink_template, "sink");
gst_pad_set_chain_function (schro_dec->sinkpad, gst_schro_dec_chain);
gst_pad_set_query_function (schro_dec->sinkpad, gst_schro_dec_sink_query);
gst_pad_set_event_function (schro_dec->sinkpad, gst_schro_dec_sink_event);
gst_element_add_pad (GST_ELEMENT(schro_dec), schro_dec->sinkpad);
schro_dec->srcpad = gst_pad_new_from_static_template (&gst_schro_dec_src_template, "src");
gst_pad_set_query_type_function (schro_dec->srcpad, gst_schro_dec_get_query_types);
gst_pad_set_query_function (schro_dec->srcpad, gst_schro_dec_src_query);
gst_pad_set_event_function (schro_dec->srcpad, gst_schro_dec_src_event);
gst_pad_use_fixed_caps (schro_dec->srcpad);
gst_element_add_pad (GST_ELEMENT(schro_dec), schro_dec->srcpad);
schro_dec->adapter = gst_adapter_new();
}
static void
gst_video_flip_init (GTypeInstance * instance, gpointer g_class)
{
GstVideoFlip *videoflip = GST_VIDEO_FLIP (instance);
GstBaseTransform *btrans = GST_BASE_TRANSFORM (instance);
GST_DEBUG_OBJECT (videoflip, "gst_video_flip_init");
videoflip->method = GST_VIDEO_FLIP_METHOD_90R;
gst_pad_set_event_function (btrans->srcpad,
GST_DEBUG_FUNCPTR (gst_video_flip_handle_src_event));
}
static void
gst_sub_parse_init (GstSubParse * subparse)
{
subparse->sinkpad = gst_pad_new_from_static_template (&sink_templ, "sink");
gst_pad_set_chain_function (subparse->sinkpad,
GST_DEBUG_FUNCPTR (gst_sub_parse_chain));
gst_pad_set_event_function (subparse->sinkpad,
GST_DEBUG_FUNCPTR (gst_sub_parse_sink_event));
gst_element_add_pad (GST_ELEMENT (subparse), subparse->sinkpad);
subparse->srcpad = gst_pad_new_from_static_template (&src_templ, "src");
gst_pad_set_event_function (subparse->srcpad,
GST_DEBUG_FUNCPTR (gst_sub_parse_src_event));
gst_element_add_pad (GST_ELEMENT (subparse), subparse->srcpad);
subparse->textbuf = g_string_new (NULL);
subparse->parser_type = GST_SUB_PARSE_FORMAT_UNKNOWN;
subparse->flushing = FALSE;
gst_segment_init (&subparse->segment, GST_FORMAT_TIME);
subparse->need_segment = TRUE;
subparse->encoding = g_strdup (DEFAULT_ENCODING);
}
static void
gst_ssa_parse_init (GstSsaParse * parse)
{
parse->sinkpad = gst_pad_new_from_static_template (&sink_templ, "sink");
gst_pad_set_chain_function (parse->sinkpad,
GST_DEBUG_FUNCPTR (gst_ssa_parse_chain));
gst_pad_set_event_function (parse->sinkpad,
GST_DEBUG_FUNCPTR (gst_ssa_parse_sink_event));
gst_element_add_pad (GST_ELEMENT (parse), parse->sinkpad);
parse->srcpad = gst_pad_new_from_static_template (&src_templ, "src");
gst_pad_set_event_function (parse->srcpad,
GST_DEBUG_FUNCPTR (gst_ssa_parse_src_event));
gst_element_add_pad (GST_ELEMENT (parse), parse->srcpad);
gst_pad_use_fixed_caps (parse->srcpad);
gst_pad_set_caps (parse->srcpad,
gst_static_pad_template_get_caps (&src_templ));
parse->ini = NULL;
parse->framed = FALSE;
parse->send_tags = FALSE;
}
