mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-20 00:31:13 +00:00
32ba17cd0f
where possible. Avoids some string copies. Also re-indent some stuff. Also some indent fixes here and there.
312 lines
8.5 KiB
C
312 lines
8.5 KiB
C
/* GStreamer
|
|
* Copyright (C) 2010 David Schleef <ds@schleef.org>
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Library General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Library General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Library General Public
|
|
* License along with this library; if not, write to the
|
|
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
* Boston, MA 02111-1307, USA.
|
|
*/
|
|
/**
|
|
* SECTION:element-gstsdimux
|
|
*
|
|
* The gstsdimux element does FIXME stuff.
|
|
*
|
|
* <refsect2>
|
|
* <title>Example launch line</title>
|
|
* |[
|
|
* gst-launch -v fakesrc ! gstsdimux ! FIXME ! fakesink
|
|
* ]|
|
|
* FIXME Describe what the pipeline does.
|
|
* </refsect2>
|
|
*/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif
|
|
|
|
#include <gst/gst.h>
|
|
#include <gst/gst.h>
|
|
#include "gstsdimux.h"
|
|
|
|
/* prototypes */
|
|
|
|
|
|
static void gst_sdi_mux_set_property (GObject * object,
|
|
guint property_id, const GValue * value, GParamSpec * pspec);
|
|
static void gst_sdi_mux_get_property (GObject * object,
|
|
guint property_id, GValue * value, GParamSpec * pspec);
|
|
static void gst_sdi_mux_dispose (GObject * object);
|
|
static void gst_sdi_mux_finalize (GObject * object);
|
|
|
|
static GstPad *gst_sdi_mux_request_new_pad (GstElement * element,
|
|
GstPadTemplate * templ, const gchar * name);
|
|
static void gst_sdi_mux_release_pad (GstElement * element, GstPad * pad);
|
|
static GstStateChangeReturn
|
|
gst_sdi_mux_change_state (GstElement * element, GstStateChange transition);
|
|
static const GstQueryType *gst_sdi_mux_get_query_types (GstElement * element);
|
|
static gboolean gst_sdi_mux_query (GstElement * element, GstQuery * query);
|
|
static GstFlowReturn gst_sdi_mux_chain (GstPad * pad, GstBuffer * buffer);
|
|
static gboolean gst_sdi_mux_sink_event (GstPad * pad, GstEvent * event);
|
|
static gboolean gst_sdi_mux_src_event (GstPad * pad, GstEvent * event);
|
|
|
|
enum
|
|
{
|
|
PROP_0
|
|
};
|
|
|
|
/* pad templates */
|
|
|
|
#define GST_VIDEO_CAPS_NTSC(fourcc) \
|
|
"video/x-raw-yuv,format=(fourcc)" fourcc ",width=720,height=480," \
|
|
"framerate=30000/1001,interlaced=TRUE,pixel-aspect-ratio=10/11," \
|
|
"chroma-site=mpeg2,color-matrix=sdtv"
|
|
#define GST_VIDEO_CAPS_NTSC_WIDE(fourcc) \
|
|
"video/x-raw-yuv,format=(fourcc)" fourcc ",width=720,height=480," \
|
|
"framerate=30000/1001,interlaced=TRUE,pixel-aspect-ratio=40/33," \
|
|
"chroma-site=mpeg2,color-matrix=sdtv"
|
|
#define GST_VIDEO_CAPS_PAL(fourcc) \
|
|
"video/x-raw-yuv,format=(fourcc)" fourcc ",width=720,height=576," \
|
|
"framerate=25/1,interlaced=TRUE,pixel-aspect-ratio=12/11," \
|
|
"chroma-site=mpeg2,color-matrix=sdtv"
|
|
#define GST_VIDEO_CAPS_PAL_WIDE(fourcc) \
|
|
"video/x-raw-yuv,format=(fourcc)" fourcc ",width=720,height=576," \
|
|
"framerate=25/1,interlaced=TRUE,pixel-aspect-ratio=16/11," \
|
|
"chroma-site=mpeg2,color-matrix=sdtv"
|
|
|
|
static GstStaticPadTemplate gst_sdi_mux_sink_template =
|
|
GST_STATIC_PAD_TEMPLATE ("sink",
|
|
GST_PAD_SINK,
|
|
GST_PAD_ALWAYS,
|
|
GST_STATIC_CAPS (GST_VIDEO_CAPS_NTSC ("{UYVY,v210}") ";"
|
|
GST_VIDEO_CAPS_PAL ("{UYVY,v210}"))
|
|
);
|
|
|
|
static GstStaticPadTemplate gst_sdi_mux_src_template =
|
|
GST_STATIC_PAD_TEMPLATE ("src",
|
|
GST_PAD_SRC,
|
|
GST_PAD_ALWAYS,
|
|
GST_STATIC_CAPS
|
|
("application/x-raw-sdi,rate=270,format=(fourcc){UYVY,v210}")
|
|
);
|
|
|
|
/* class initialization */
|
|
|
|
GST_BOILERPLATE (GstSdiMux, gst_sdi_mux, GstElement, GST_TYPE_ELEMENT);
|
|
|
|
static void
|
|
gst_sdi_mux_base_init (gpointer g_class)
|
|
{
|
|
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
|
|
|
|
gst_element_class_add_pad_template (element_class,
|
|
gst_static_pad_template_get (&gst_sdi_mux_src_template));
|
|
gst_element_class_add_pad_template (element_class,
|
|
gst_static_pad_template_get (&gst_sdi_mux_sink_template));
|
|
|
|
gst_element_class_set_static_metadata (element_class, "SDI Muxer",
|
|
"Muxer",
|
|
"Multiplex raw audio and video into SDI",
|
|
"David Schleef <ds@schleef.org>");
|
|
}
|
|
|
|
static void
|
|
gst_sdi_mux_class_init (GstSdiMuxClass * klass)
|
|
{
|
|
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
|
|
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
|
|
|
|
gobject_class->set_property = gst_sdi_mux_set_property;
|
|
gobject_class->get_property = gst_sdi_mux_get_property;
|
|
gobject_class->dispose = gst_sdi_mux_dispose;
|
|
gobject_class->finalize = gst_sdi_mux_finalize;
|
|
element_class->request_new_pad =
|
|
GST_DEBUG_FUNCPTR (gst_sdi_mux_request_new_pad);
|
|
element_class->release_pad = GST_DEBUG_FUNCPTR (gst_sdi_mux_release_pad);
|
|
element_class->change_state = GST_DEBUG_FUNCPTR (gst_sdi_mux_change_state);
|
|
element_class->get_query_types =
|
|
GST_DEBUG_FUNCPTR (gst_sdi_mux_get_query_types);
|
|
element_class->query = GST_DEBUG_FUNCPTR (gst_sdi_mux_query);
|
|
|
|
}
|
|
|
|
static void
|
|
gst_sdi_mux_init (GstSdiMux * sdimux, GstSdiMuxClass * sdimux_class)
|
|
{
|
|
|
|
sdimux->sinkpad =
|
|
gst_pad_new_from_static_template (&gst_sdi_mux_sink_template, "sink");
|
|
gst_pad_set_event_function (sdimux->sinkpad,
|
|
GST_DEBUG_FUNCPTR (gst_sdi_mux_sink_event));
|
|
gst_pad_set_chain_function (sdimux->sinkpad,
|
|
GST_DEBUG_FUNCPTR (gst_sdi_mux_chain));
|
|
gst_element_add_pad (GST_ELEMENT (sdimux), sdimux->sinkpad);
|
|
|
|
sdimux->srcpad = gst_pad_new_from_static_template (&gst_sdi_mux_src_template,
|
|
"src");
|
|
gst_pad_set_event_function (sdimux->srcpad,
|
|
GST_DEBUG_FUNCPTR (gst_sdi_mux_src_event));
|
|
gst_element_add_pad (GST_ELEMENT (sdimux), sdimux->srcpad);
|
|
|
|
}
|
|
|
|
void
|
|
gst_sdi_mux_set_property (GObject * object, guint property_id,
|
|
const GValue * value, GParamSpec * pspec)
|
|
{
|
|
g_return_if_fail (GST_IS_SDI_MUX (object));
|
|
|
|
switch (property_id) {
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
|
|
break;
|
|
}
|
|
}
|
|
|
|
void
|
|
gst_sdi_mux_get_property (GObject * object, guint property_id,
|
|
GValue * value, GParamSpec * pspec)
|
|
{
|
|
g_return_if_fail (GST_IS_SDI_MUX (object));
|
|
|
|
switch (property_id) {
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
|
|
break;
|
|
}
|
|
}
|
|
|
|
void
|
|
gst_sdi_mux_dispose (GObject * object)
|
|
{
|
|
g_return_if_fail (GST_IS_SDI_MUX (object));
|
|
|
|
/* clean up as possible. may be called multiple times */
|
|
|
|
G_OBJECT_CLASS (parent_class)->dispose (object);
|
|
}
|
|
|
|
void
|
|
gst_sdi_mux_finalize (GObject * object)
|
|
{
|
|
g_return_if_fail (GST_IS_SDI_MUX (object));
|
|
|
|
/* clean up object here */
|
|
|
|
G_OBJECT_CLASS (parent_class)->finalize (object);
|
|
}
|
|
|
|
|
|
|
|
static GstPad *
|
|
gst_sdi_mux_request_new_pad (GstElement * element, GstPadTemplate * templ,
|
|
const gchar * name)
|
|
{
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static void
|
|
gst_sdi_mux_release_pad (GstElement * element, GstPad * pad)
|
|
{
|
|
|
|
}
|
|
|
|
static GstStateChangeReturn
|
|
gst_sdi_mux_change_state (GstElement * element, GstStateChange transition)
|
|
{
|
|
|
|
return GST_STATE_CHANGE_SUCCESS;
|
|
}
|
|
|
|
static const GstQueryType *
|
|
gst_sdi_mux_get_query_types (GstElement * element)
|
|
{
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static gboolean
|
|
gst_sdi_mux_query (GstElement * element, GstQuery * query)
|
|
{
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static GstFlowReturn
|
|
gst_sdi_mux_chain (GstPad * pad, GstBuffer * buffer)
|
|
{
|
|
GstSdiMux *sdimux;
|
|
|
|
sdimux = GST_SDI_MUX (gst_pad_get_parent (pad));
|
|
|
|
GST_DEBUG_OBJECT (sdimux, "chain");
|
|
|
|
|
|
gst_object_unref (sdimux);
|
|
return GST_FLOW_OK;
|
|
}
|
|
|
|
static gboolean
|
|
gst_sdi_mux_sink_event (GstPad * pad, GstEvent * event)
|
|
{
|
|
gboolean res;
|
|
GstSdiMux *sdimux;
|
|
|
|
sdimux = GST_SDI_MUX (gst_pad_get_parent (pad));
|
|
|
|
GST_DEBUG_OBJECT (sdimux, "event");
|
|
|
|
switch (GST_EVENT_TYPE (event)) {
|
|
case GST_EVENT_FLUSH_START:
|
|
res = gst_pad_push_event (sdimux->srcpad, event);
|
|
break;
|
|
case GST_EVENT_FLUSH_STOP:
|
|
res = gst_pad_push_event (sdimux->srcpad, event);
|
|
break;
|
|
case GST_EVENT_NEWSEGMENT:
|
|
res = gst_pad_push_event (sdimux->srcpad, event);
|
|
break;
|
|
case GST_EVENT_EOS:
|
|
res = gst_pad_push_event (sdimux->srcpad, event);
|
|
break;
|
|
default:
|
|
res = gst_pad_push_event (sdimux->srcpad, event);
|
|
break;
|
|
}
|
|
|
|
gst_object_unref (sdimux);
|
|
return res;
|
|
}
|
|
|
|
static gboolean
|
|
gst_sdi_mux_src_event (GstPad * pad, GstEvent * event)
|
|
{
|
|
gboolean res;
|
|
GstSdiMux *sdimux;
|
|
|
|
sdimux = GST_SDI_MUX (gst_pad_get_parent (pad));
|
|
|
|
GST_DEBUG_OBJECT (sdimux, "event");
|
|
|
|
switch (GST_EVENT_TYPE (event)) {
|
|
case GST_EVENT_SEEK:
|
|
res = gst_pad_push_event (sdimux->sinkpad, event);
|
|
break;
|
|
default:
|
|
res = gst_pad_push_event (sdimux->sinkpad, event);
|
|
break;
|
|
}
|
|
|
|
gst_object_unref (sdimux);
|
|
return res;
|
|
}
|