mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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Initial Commit: Adding Wayland Video Sink
This commit is contained in:
Sreerenj Balachandran
Stefan Sauer
parent
b84271faa6
commit
d68c6bfa9f
5 changed files with 736 additions and 0 deletions
27
configure.ac
27
configure.ac
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@ -828,6 +828,31 @@ AG_GST_CHECK_FEATURE(DIRECTFB, [directfb], dfbvideosink , [
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])
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])
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])
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])
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dnl **** Wayland ****
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translit(dnm, m, l) AM_CONDITIONAL(USE_WAYLAND, true)
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AG_GST_CHECK_FEATURE(WAYLAND, [wayland sink], wayland , [
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PKG_CHECK_MODULES(WAYLAND, wayland-client >= 0.1, [
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AC_CHECK_HEADER(wayland-client.h, HAVE_WAYLAND_CLIENT="yes", HAVE_WAYLAND_CLIENT="no")
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AC_CHECK_HEADER(wayland-client-protocol.h, HAVE_WAYLAND_CLIENT_PROTOCOL="yes", HAVE_WAYLAND_CLIENT_PROTOCOL="no")
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if test "x$HAVE_WAYLAND_CLIENT" = "xno"; then
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AC_MSG_RESULT(wayland-client.h could not be found.)
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HAVE_WAYLAND="no"
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elif test "x$HAVE_WAYLAND_CLIENT_PROTOCOL" = "xno"; then
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AC_MSG_RESULT(wayland-client-protocol.h could not be found.)
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HAVE_WAYLAND="no"
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else
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HAVE_WAYLAND="yes"
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WAYLAND_LIBS="-lwayland-client"
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fi
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], [
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AC_MSG_RESULT(no wayland.)
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HAVE_WAYLAND="no"
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])
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WAYLAND_CFLAGS=""
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AC_SUBST(WAYLAND_CFLAGS)
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AC_SUBST(WAYLAND_LIBS)
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])
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dnl **** Dirac ****
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dnl **** Dirac ****
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translit(dnm, m, l) AM_CONDITIONAL(USE_DIRAC, true)
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translit(dnm, m, l) AM_CONDITIONAL(USE_DIRAC, true)
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AG_GST_CHECK_FEATURE(DIRAC, [dirac], dirac, [
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AG_GST_CHECK_FEATURE(DIRAC, [dirac], dirac, [
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@ -1804,6 +1829,7 @@ AM_CONDITIONAL(USE_CURL, false)
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AM_CONDITIONAL(USE_DC1394, false)
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AM_CONDITIONAL(USE_DC1394, false)
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AM_CONDITIONAL(USE_DECKLINK, false)
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AM_CONDITIONAL(USE_DECKLINK, false)
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AM_CONDITIONAL(USE_DIRECTFB, false)
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AM_CONDITIONAL(USE_DIRECTFB, false)
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AM_CONDITIONAL(USE_WAYLAND, false)
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AM_CONDITIONAL(USE_DIRAC, false)
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AM_CONDITIONAL(USE_DIRAC, false)
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AM_CONDITIONAL(USE_DTS, false)
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AM_CONDITIONAL(USE_DTS, false)
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AM_CONDITIONAL(USE_DIVX, false)
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AM_CONDITIONAL(USE_DIVX, false)
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@ -2062,6 +2088,7 @@ ext/curl/Makefile
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ext/dc1394/Makefile
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ext/dc1394/Makefile
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ext/dirac/Makefile
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ext/dirac/Makefile
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ext/directfb/Makefile
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ext/directfb/Makefile
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ext/wayland/Makefile
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ext/divx/Makefile
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ext/divx/Makefile
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ext/dts/Makefile
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ext/dts/Makefile
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ext/faac/Makefile
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ext/faac/Makefile
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@ -94,6 +94,12 @@ else
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DIRECTFB_DIR=
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DIRECTFB_DIR=
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endif
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endif
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if USE_WAYLAND
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WAYLAND_DIR=wayland
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else
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WAYLAND_DIR=
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endif
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if USE_DIVX
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if USE_DIVX
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DIVX_DIR=divx
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DIVX_DIR=divx
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else
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else
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@ -409,6 +415,7 @@ SUBDIRS=\
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$(DC1394_DIR) \
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$(DC1394_DIR) \
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$(DIRAC_DIR) \
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$(DIRAC_DIR) \
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$(DIRECTFB_DIR) \
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$(DIRECTFB_DIR) \
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$(WAYLAND_DIR) \
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$(DIVX_DIR) \
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$(DIVX_DIR) \
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$(DTS_DIR) \
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$(DTS_DIR) \
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$(RESINDVD_DIR) \
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$(RESINDVD_DIR) \
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@ -469,6 +476,7 @@ DIST_SUBDIRS = \
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dc1394 \
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dc1394 \
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dirac \
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dirac \
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directfb \
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directfb \
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wayland \
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faac \
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faac \
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faad \
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faad \
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flite \
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flite \
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13
ext/wayland/Makefile.am
Normal file
13
ext/wayland/Makefile.am
Normal file
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@ -0,0 +1,13 @@
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plugin_LTLIBRARIES = libgstwaylandsink.la
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libgstwaylandsink_la_SOURCES = gstwaylandsink.c
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libgstwaylandsink_la_CFLAGS = $(GST_CFLAGS) $(GST_PLUGINS_BASE_CFLAGS) \
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$(WAYLAND_CFLAGS)
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libgstwaylandsink_la_LIBADD = $(GST_PLUGINS_BASE_LIBS) \
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-lgstvideo-$(GST_MAJORMINOR) \
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-lgstinterfaces-$(GST_MAJORMINOR) \
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$(WAYLAND_LIBS) $(LIBOIL_LIBS)
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libgstwaylandsink_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
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libgstwaylandsink_la_LIBTOOLFLAGS = --tag=disable-static
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noinst_HEADERS = gstwaylandsink.h
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586
ext/wayland/gstwaylandsink.c
Executable file
586
ext/wayland/gstwaylandsink.c
Executable file
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@ -0,0 +1,586 @@
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/*
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* GStreamer Wayland video sink
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*
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* Copyright: Intel Corporation
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* Copyright: Sreerenj Balachandran <sreerenj.balachandran@intel.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the Free
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* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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/* The waylandsink is currently just a prototype . It creates its own window and render the decoded video frames to that.*/
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/* FixMe: Needs to add more synchronization stuffs */
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/* FixMe: Remove the extra memcopy by giving buffer to decoder with buffer_alloc*/
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/* FixMe: Add signals so that the application/compositor is responsible for rendering */
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/* FixMe: Add h/w decoding support: buffers/libva surface */
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/* FixMe: Add the interfaces */
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <math.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/time.h>
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#include <sys/ioctl.h>
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#include <sys/mman.h>
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#include <fcntl.h>
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#include <assert.h>
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#include <unistd.h>
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#include "gstwaylandsink.h"
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#include <wayland-client.h>
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#include <wayland-egl.h>
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/* signals */
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enum
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{
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SIGNAL_0,
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SIGNAL_FRAME_READY,
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LAST_SIGNAL
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};
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/* Properties */
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/*Fixme: Not yet implemented */
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enum
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{
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PROP_0,
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PROP_WAYLAND_DISPLAY
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};
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GST_DEBUG_CATEGORY (gstwayland_debug);
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#define GST_CAT_DEFAULT gstwayland_debug
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static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink",
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GST_PAD_SINK,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("video/x-raw-rgb, "
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"framerate = (fraction) [ 0, MAX ], "
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"endianness = (int) 4321,"
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"red_mask = (int) 65280, "
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"green_mask = (int) 16711680, "
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"blue_mask = (int) -16777216,"
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"width = (int) [ 1, MAX ], " "height = (int) [ 1, MAX ] "));
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GType gst_wayland_sink_get_type (void);
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/*Fixme: Add more interfaces */
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GST_BOILERPLATE (GstWayLandSink, gst_wayland_sink, GstVideoSink,
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GST_TYPE_VIDEO_SINK);
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static void gst_wayland_sink_get_property (GObject * object,
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guint prop_id, GValue * value, GParamSpec * pspec);
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static void gst_wayland_sink_set_property (GObject * object,
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guint prop_id, const GValue * value, GParamSpec * pspec);
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static void gst_wayland_sink_dispose (GObject * object);
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static void gst_wayland_sink_finalize (GObject * object);
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static GstCaps *gst_wayland_sink_get_caps (GstBaseSink * bsink);
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static gboolean gst_wayland_sink_set_caps (GstBaseSink * bsink, GstCaps * caps);
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static gboolean gst_wayland_sink_start (GstBaseSink * bsink);
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static gboolean gst_wayland_sink_stop (GstBaseSink * bsink);
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static gboolean gst_wayland_sink_unlock (GstBaseSink * bsink);
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static gboolean gst_wayland_sink_unlock_stop (GstBaseSink * bsink);
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static gboolean gst_wayland_sink_preroll (GstBaseSink * bsink,
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GstBuffer * buffer);
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static gboolean gst_wayland_sink_render (GstBaseSink * bsink,
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GstBuffer * buffer);
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static gboolean create_shm_buffer (GstWayLandSink * sink);
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static int event_mask_update (uint32_t mask, void *data);
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static void sync_callback (void *data);
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static struct display *create_display (void);
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static void display_handle_global (struct wl_display *display, uint32_t id,
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const char *interface, uint32_t version, void *data);
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static void compositor_handle_visual (void *data,
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struct wl_compositor *compositor, uint32_t id, uint32_t token);
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static void redraw (struct wl_surface *surface, void *data, uint32_t time);
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static struct window *create_window (GstWayLandSink * sink,
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struct display *display, int width, int height);
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static guint gst_wayland_sink_signals[LAST_SIGNAL] = { 0 };
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static void
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gst_wayland_sink_base_init (gpointer gclass)
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{
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GstElementClass *element_class = GST_ELEMENT_CLASS (gclass);
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&sink_template));
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gst_element_class_set_details_simple (element_class,
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"wayland video sink", "Sink/Video",
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"Output to wayland surface",
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"Sreerenj Balachandran <sreerenj.balachandran@intel.com>,");
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}
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static void
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gst_wayland_sink_class_init (GstWayLandSinkClass * klass)
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{
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GObjectClass *gobject_class;
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GstElementClass *gstelement_class;
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GstBaseSinkClass *gstbasesink_class;
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gobject_class = (GObjectClass *) klass;
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gstelement_class = (GstElementClass *) klass;
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gstbasesink_class = (GstBaseSinkClass *) klass;
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gobject_class->set_property = gst_wayland_sink_set_property;
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gobject_class->get_property = gst_wayland_sink_get_property;
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gobject_class->dispose = GST_DEBUG_FUNCPTR (gst_wayland_sink_dispose);
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gobject_class->finalize = GST_DEBUG_FUNCPTR (gst_wayland_sink_finalize);
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gstbasesink_class->get_caps = GST_DEBUG_FUNCPTR (gst_wayland_sink_get_caps);
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gstbasesink_class->set_caps = GST_DEBUG_FUNCPTR (gst_wayland_sink_set_caps);
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gstbasesink_class->start = GST_DEBUG_FUNCPTR (gst_wayland_sink_start);
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gstbasesink_class->unlock = GST_DEBUG_FUNCPTR (gst_wayland_sink_unlock);
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gstbasesink_class->unlock_stop =
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GST_DEBUG_FUNCPTR (gst_wayland_sink_unlock_stop);
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gstbasesink_class->stop = GST_DEBUG_FUNCPTR (gst_wayland_sink_stop);
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gstbasesink_class->preroll = GST_DEBUG_FUNCPTR (gst_wayland_sink_preroll);
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gstbasesink_class->render = GST_DEBUG_FUNCPTR (gst_wayland_sink_render);
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g_object_class_install_property (gobject_class, PROP_WAYLAND_DISPLAY,
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g_param_spec_pointer ("wayland-display", "WayLand Display",
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"WayLand Display id created by the application ",
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G_PARAM_READWRITE));
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/*Fixme: not using now */
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gst_wayland_sink_signals[SIGNAL_FRAME_READY] =
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g_signal_new ("frame-ready",
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G_TYPE_FROM_CLASS (klass),
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G_SIGNAL_RUN_LAST,
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0, NULL, NULL,
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g_cclosure_marshal_VOID__POINTER, G_TYPE_NONE, 1, G_TYPE_POINTER);
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parent_class = g_type_class_peek_parent (klass);
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}
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static void
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gst_wayland_sink_init (GstWayLandSink * sink,
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GstWayLandSinkClass * wayland_sink_class)
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{
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sink->caps = NULL;
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sink->buffer_cond = g_cond_new ();
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sink->buffer_lock = g_mutex_new ();
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sink->wayland_cond = g_cond_new ();
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sink->wayland_lock = g_mutex_new ();
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sink->render_finish = TRUE;
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}
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static void
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gst_wayland_sink_get_property (GObject * object,
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guint prop_id, GValue * value, GParamSpec * pspec)
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{
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GstWayLandSink *sink = GST_WAYLAND_SINK (object);
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switch (prop_id) {
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case PROP_WAYLAND_DISPLAY:
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g_value_set_pointer (value, sink->display);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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gst_wayland_sink_set_property (GObject * object,
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guint prop_id, const GValue * value, GParamSpec * pspec)
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{
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GstWayLandSink *sink = GST_WAYLAND_SINK (object);
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switch (prop_id) {
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case PROP_WAYLAND_DISPLAY:
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sink->display = g_value_get_pointer (value);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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gst_wayland_sink_dispose (GObject * object)
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{
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GstWayLandSink *sink = GST_WAYLAND_SINK (object);
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G_OBJECT_CLASS (parent_class)->dispose (object);
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}
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static void
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gst_wayland_sink_finalize (GObject * object)
|
||||||
|
{
|
||||||
|
GstWayLandSink *sink = GST_WAYLAND_SINK (object);
|
||||||
|
|
||||||
|
gst_caps_replace (&sink->caps, NULL);
|
||||||
|
|
||||||
|
free (sink->display);
|
||||||
|
free (sink->window);
|
||||||
|
|
||||||
|
g_cond_free (sink->buffer_cond);
|
||||||
|
g_cond_free (sink->wayland_cond);
|
||||||
|
g_mutex_free (sink->buffer_lock);
|
||||||
|
g_mutex_free (sink->wayland_lock);
|
||||||
|
|
||||||
|
G_OBJECT_CLASS (parent_class)->finalize (object);
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
static GstCaps *
|
||||||
|
gst_wayland_sink_get_caps (GstBaseSink * bsink)
|
||||||
|
{
|
||||||
|
return gst_caps_copy (gst_static_pad_template_get_caps (&sink_template));
|
||||||
|
}
|
||||||
|
|
||||||
|
static int
|
||||||
|
event_mask_update (uint32_t mask, void *data)
|
||||||
|
{
|
||||||
|
struct display *d = data;
|
||||||
|
|
||||||
|
d->mask = mask;
|
||||||
|
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
sync_callback (void *data)
|
||||||
|
{
|
||||||
|
int *done = data;
|
||||||
|
|
||||||
|
*done = 1;
|
||||||
|
}
|
||||||
|
|
||||||
|
static const struct wl_compositor_listener compositor_listener = {
|
||||||
|
compositor_handle_visual,
|
||||||
|
};
|
||||||
|
|
||||||
|
static void
|
||||||
|
display_handle_global (struct wl_display *display, uint32_t id,
|
||||||
|
const char *interface, uint32_t version, void *data)
|
||||||
|
{
|
||||||
|
struct display *d = data;
|
||||||
|
|
||||||
|
if (strcmp (interface, "wl_compositor") == 0) {
|
||||||
|
d->compositor = wl_compositor_create (display, id, 1);
|
||||||
|
wl_compositor_add_listener (d->compositor, &compositor_listener, d);
|
||||||
|
} else if (strcmp (interface, "wl_shell") == 0) {
|
||||||
|
d->shell = wl_shell_create (display, id, 1);
|
||||||
|
} else if (strcmp (interface, "wl_shm") == 0) {
|
||||||
|
d->shm = wl_shm_create (display, id, 1);
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
static struct display *
|
||||||
|
create_display (void)
|
||||||
|
{
|
||||||
|
struct display *display;
|
||||||
|
int done;
|
||||||
|
|
||||||
|
display = malloc (sizeof *display);
|
||||||
|
display->display = wl_display_connect (NULL);
|
||||||
|
|
||||||
|
wl_display_add_global_listener (display->display,
|
||||||
|
display_handle_global, display);
|
||||||
|
wl_display_iterate (display->display, WL_DISPLAY_READABLE);
|
||||||
|
|
||||||
|
wl_display_get_fd (display->display, event_mask_update, display);
|
||||||
|
|
||||||
|
wl_display_sync_callback (display->display, sync_callback, &done);
|
||||||
|
|
||||||
|
while (!display->xrgb_visual) {
|
||||||
|
wl_display_iterate (display->display, display->mask);
|
||||||
|
}
|
||||||
|
|
||||||
|
return display;
|
||||||
|
}
|
||||||
|
|
||||||
|
static gboolean
|
||||||
|
create_shm_buffer (GstWayLandSink * sink)
|
||||||
|
{
|
||||||
|
char filename[] = "/tmp/wayland-shm-XXXXXX";
|
||||||
|
struct wl_buffer *wbuffer;
|
||||||
|
int i, fd, size, stride;
|
||||||
|
static void *data;
|
||||||
|
|
||||||
|
GST_DEBUG_OBJECT (sink, "Creating wayland-shm buffers");
|
||||||
|
|
||||||
|
wl_display_iterate (sink->display->display, sink->display->mask);
|
||||||
|
|
||||||
|
fd = mkstemp (filename);
|
||||||
|
if (fd < 0) {
|
||||||
|
fprintf (stderr, "open %s failed: %m\n", filename);
|
||||||
|
exit (0);
|
||||||
|
}
|
||||||
|
|
||||||
|
stride = sink->width * 4;
|
||||||
|
size = stride * sink->height;
|
||||||
|
|
||||||
|
if (ftruncate (fd, size) < 0) {
|
||||||
|
fprintf (stderr, "ftruncate failed: %m\n");
|
||||||
|
close (fd);
|
||||||
|
exit (0);
|
||||||
|
}
|
||||||
|
|
||||||
|
data = mmap (NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
|
||||||
|
unlink (filename);
|
||||||
|
if (data == MAP_FAILED) {
|
||||||
|
fprintf (stderr, "mmap failed: %m\n");
|
||||||
|
close (fd);
|
||||||
|
exit (0);
|
||||||
|
}
|
||||||
|
|
||||||
|
wbuffer = wl_shm_create_buffer (sink->display->shm, fd,
|
||||||
|
sink->width, sink->height, stride, sink->display->xrgb_visual);
|
||||||
|
|
||||||
|
close (fd);
|
||||||
|
|
||||||
|
sink->window->buffer = wbuffer;
|
||||||
|
wl_surface_attach (sink->window->surface, sink->window->buffer, 0, 0);
|
||||||
|
sink->MapAddr = data;
|
||||||
|
|
||||||
|
return TRUE;
|
||||||
|
}
|
||||||
|
|
||||||
|
static gboolean
|
||||||
|
gst_wayland_sink_set_caps (GstBaseSink * bsink, GstCaps * caps)
|
||||||
|
{
|
||||||
|
GstWayLandSink *sink = GST_WAYLAND_SINK (bsink);
|
||||||
|
const GstStructure *structure;
|
||||||
|
GstFlowReturn result = GST_FLOW_OK;
|
||||||
|
GstCaps *allowed_caps;
|
||||||
|
gboolean ret = TRUE;
|
||||||
|
GstCaps *intersection;
|
||||||
|
const GValue *fps;
|
||||||
|
|
||||||
|
GST_LOG_OBJECT (sink, "set caps %" GST_PTR_FORMAT, caps);
|
||||||
|
|
||||||
|
structure = gst_caps_get_structure (caps, 0);
|
||||||
|
|
||||||
|
allowed_caps = gst_pad_get_caps (GST_BASE_SINK_PAD (bsink));
|
||||||
|
|
||||||
|
/* We intersect those caps with our template to make sure they are correct */
|
||||||
|
intersection = gst_caps_intersect (allowed_caps, caps);
|
||||||
|
gst_caps_unref (allowed_caps);
|
||||||
|
|
||||||
|
if (gst_caps_is_empty (intersection)) {
|
||||||
|
gst_caps_unref (intersection);
|
||||||
|
return FALSE;
|
||||||
|
}
|
||||||
|
|
||||||
|
structure = gst_caps_get_structure (caps, 0);
|
||||||
|
|
||||||
|
ret &= gst_structure_get_int (structure, "width", &sink->width);
|
||||||
|
ret &= gst_structure_get_int (structure, "height", &sink->height);
|
||||||
|
|
||||||
|
if (!ret)
|
||||||
|
return FALSE;
|
||||||
|
|
||||||
|
gst_caps_replace (&sink->caps, caps);
|
||||||
|
|
||||||
|
gst_caps_unref (intersection);
|
||||||
|
|
||||||
|
if (!create_shm_buffer (sink)) {
|
||||||
|
GST_ERROR_OBJECT (sink, "Failed to create the wayland buffers..");
|
||||||
|
return FALSE;
|
||||||
|
}
|
||||||
|
|
||||||
|
return TRUE;
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
compositor_handle_visual (void *data,
|
||||||
|
struct wl_compositor *compositor, uint32_t id, uint32_t token)
|
||||||
|
{
|
||||||
|
struct display *d = data;
|
||||||
|
|
||||||
|
switch (token) {
|
||||||
|
case WL_COMPOSITOR_VISUAL_XRGB32:
|
||||||
|
d->xrgb_visual = wl_visual_create (d->display, id, 1);
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
redraw (struct wl_surface *surface, void *data, uint32_t time)
|
||||||
|
{
|
||||||
|
|
||||||
|
GstWayLandSink *sink = (GstWayLandSink *) data;
|
||||||
|
g_mutex_lock (sink->wayland_lock);
|
||||||
|
|
||||||
|
sink->render_finish = TRUE;
|
||||||
|
|
||||||
|
g_mutex_unlock (sink->wayland_lock);
|
||||||
|
}
|
||||||
|
|
||||||
|
static struct window *
|
||||||
|
create_window (GstWayLandSink * sink, struct display *display, int width,
|
||||||
|
int height)
|
||||||
|
{
|
||||||
|
struct window *window;
|
||||||
|
struct wl_visual *visual;
|
||||||
|
void *data;
|
||||||
|
|
||||||
|
g_mutex_lock (sink->wayland_lock);
|
||||||
|
|
||||||
|
window = malloc (sizeof *window);
|
||||||
|
window->display = display;
|
||||||
|
window->width = width;
|
||||||
|
window->height = height;
|
||||||
|
window->surface = wl_compositor_create_surface (display->compositor);
|
||||||
|
|
||||||
|
wl_shell_set_toplevel (display->shell, window->surface);
|
||||||
|
|
||||||
|
g_mutex_unlock (sink->wayland_lock);
|
||||||
|
return window;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
static gboolean
|
||||||
|
gst_wayland_sink_start (GstBaseSink * bsink)
|
||||||
|
{
|
||||||
|
GstWayLandSink *sink = (GstWayLandSink *) bsink;
|
||||||
|
gboolean result = TRUE;
|
||||||
|
|
||||||
|
GST_DEBUG_OBJECT (sink, "start");
|
||||||
|
|
||||||
|
if (!sink->display)
|
||||||
|
sink->display = create_display ();
|
||||||
|
if (!sink->window)
|
||||||
|
sink->window = create_window (sink, sink->display, 1280, 720);
|
||||||
|
|
||||||
|
return result;
|
||||||
|
}
|
||||||
|
|
||||||
|
static gboolean
|
||||||
|
gst_wayland_sink_unlock (GstBaseSink * bsink)
|
||||||
|
{
|
||||||
|
GstWayLandSink *sink = (GstWayLandSink *) bsink;
|
||||||
|
|
||||||
|
GST_DEBUG_OBJECT (sink, "unlock");
|
||||||
|
|
||||||
|
g_mutex_lock (sink->buffer_lock);
|
||||||
|
|
||||||
|
sink->unlock = TRUE;
|
||||||
|
|
||||||
|
g_mutex_unlock (sink->buffer_lock);
|
||||||
|
|
||||||
|
return TRUE;
|
||||||
|
}
|
||||||
|
|
||||||
|
static gboolean
|
||||||
|
gst_wayland_sink_unlock_stop (GstBaseSink * bsink)
|
||||||
|
{
|
||||||
|
GstWayLandSink *sink = (GstWayLandSink *) bsink;
|
||||||
|
|
||||||
|
GST_DEBUG_OBJECT (sink, "unlock_stop");
|
||||||
|
|
||||||
|
g_mutex_lock (sink->buffer_lock);
|
||||||
|
|
||||||
|
sink->unlock = FALSE;
|
||||||
|
|
||||||
|
g_mutex_unlock (sink->buffer_lock);
|
||||||
|
|
||||||
|
return TRUE;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
static gboolean
|
||||||
|
gst_wayland_sink_stop (GstBaseSink * bsink)
|
||||||
|
{
|
||||||
|
GstWayLandSink *sink = (GstWayLandSink *) bsink;
|
||||||
|
|
||||||
|
GST_DEBUG_OBJECT (sink, "stop");
|
||||||
|
|
||||||
|
return TRUE;
|
||||||
|
}
|
||||||
|
|
||||||
|
static GstFlowReturn
|
||||||
|
gst_wayland_sink_preroll (GstBaseSink * bsink, GstBuffer * buffer)
|
||||||
|
{
|
||||||
|
GST_DEBUG_OBJECT (bsink, "preroll buffer %p, data = %p", buffer,
|
||||||
|
GST_BUFFER_DATA (buffer));
|
||||||
|
return gst_wayland_sink_render (bsink, buffer);
|
||||||
|
}
|
||||||
|
|
||||||
|
static GstFlowReturn
|
||||||
|
gst_wayland_sink_render (GstBaseSink * bsink, GstBuffer * buffer)
|
||||||
|
{
|
||||||
|
GstWayLandSink *sink = GST_WAYLAND_SINK (bsink);
|
||||||
|
|
||||||
|
if (sink->render_finish) {
|
||||||
|
GST_LOG_OBJECT (sink,
|
||||||
|
"render buffer %p, data = %p, timestamp = %" GST_TIME_FORMAT, buffer,
|
||||||
|
GST_BUFFER_DATA (buffer),
|
||||||
|
GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (buffer)));
|
||||||
|
|
||||||
|
/*Fixme: remove the memcpy and add memory allocation stuffs to buff_alloc */
|
||||||
|
guint8 *src = GST_BUFFER_DATA (buffer);
|
||||||
|
guint len = GST_BUFFER_SIZE (buffer) / sink->height;
|
||||||
|
|
||||||
|
/*for (i = 0; i < sink->height; i++) {
|
||||||
|
memcpy (data, src, len);
|
||||||
|
src += len;
|
||||||
|
data += len;
|
||||||
|
} */
|
||||||
|
|
||||||
|
memcpy (sink->MapAddr, src, GST_BUFFER_SIZE (buffer));
|
||||||
|
|
||||||
|
sink->render_finish = FALSE;
|
||||||
|
|
||||||
|
wl_buffer_damage (sink->window->buffer, 0, 0, sink->width, sink->height);
|
||||||
|
|
||||||
|
wl_surface_damage (sink->window->surface, 0, 0, sink->width, sink->height);
|
||||||
|
|
||||||
|
wl_display_frame_callback (sink->display->display,
|
||||||
|
sink->window->surface, redraw, sink);
|
||||||
|
|
||||||
|
wl_display_iterate (sink->display->display, sink->display->mask);
|
||||||
|
|
||||||
|
} else {
|
||||||
|
GST_LOG_OBJECT (sink,
|
||||||
|
"Waiting to get the signal from compositor to render the next frame..");
|
||||||
|
g_usleep (50000);
|
||||||
|
sink->render_finish = TRUE;
|
||||||
|
}
|
||||||
|
return GST_FLOW_OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
static gboolean
|
||||||
|
plugin_init (GstPlugin * plugin)
|
||||||
|
{
|
||||||
|
GST_DEBUG_CATEGORY_INIT (gstwayland_debug, "waylandsink", 0,
|
||||||
|
" wayland video sink");
|
||||||
|
|
||||||
|
return gst_element_register (plugin, "waylandsink", GST_RANK_MARGINAL,
|
||||||
|
GST_TYPE_WAYLAND_SINK);
|
||||||
|
}
|
||||||
|
|
||||||
|
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
|
||||||
|
GST_VERSION_MINOR,
|
||||||
|
"waylandsink",
|
||||||
|
"WayLand Video Sink", plugin_init, VERSION, "LGPL", "gst-wayland", "")
|
||||||
102
ext/wayland/gstwaylandsink.h
Executable file
102
ext/wayland/gstwaylandsink.h
Executable file
|
|
@ -0,0 +1,102 @@
|
||||||
|
/*
|
||||||
|
* GStreamer Wayland video sink
|
||||||
|
* Copyright (C) 2011 Intel Corporation
|
||||||
|
* Copyright (C) 2011 Sreerenj Balachandran <sreerenj.balachandran@intel.com>
|
||||||
|
*
|
||||||
|
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifndef __GST_WAYLAND_VIDEO_SINK_H__
|
||||||
|
#define __GST_WAYLAND_VIDEO_SINK_H__
|
||||||
|
|
||||||
|
#include <gst/gst.h>
|
||||||
|
#include <gst/video/video.h>
|
||||||
|
#include <gst/video/gstvideosink.h>
|
||||||
|
|
||||||
|
#include <wayland-client.h>
|
||||||
|
#include <wayland-egl.h>
|
||||||
|
|
||||||
|
#define GST_TYPE_WAYLAND_SINK \
|
||||||
|
(gst_wayland_sink_get_type())
|
||||||
|
#define GST_WAYLAND_SINK(obj) \
|
||||||
|
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_WAYLAND_SINK,GstWayLandSink))
|
||||||
|
#define GST_WAYLAND_SINK_CLASS(klass) \
|
||||||
|
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_WAYLAND_SINK,GstWayLandSinkClass))
|
||||||
|
#define GST_IS_WAYLAND_SINK(obj) \
|
||||||
|
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_WAYLAND_SINK))
|
||||||
|
#define GST_IS_WAYLAND_SINK_CLASS(klass) \
|
||||||
|
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_WAYLAND_SINK))
|
||||||
|
#define GST_WAYLAND_SINK_GET_CLASS(inst) \
|
||||||
|
(G_TYPE_INSTANCE_GET_CLASS ((inst), GST_TYPE_WAYLAND_SINK, GstWayLandSinkClass))
|
||||||
|
|
||||||
|
struct display
|
||||||
|
{
|
||||||
|
struct wl_display *display;
|
||||||
|
struct wl_visual *xrgb_visual;
|
||||||
|
struct wl_compositor *compositor;
|
||||||
|
struct wl_shell *shell;
|
||||||
|
struct wl_shm *shm;
|
||||||
|
uint32_t mask;
|
||||||
|
};
|
||||||
|
|
||||||
|
struct window
|
||||||
|
{
|
||||||
|
struct display *display;
|
||||||
|
int width, height;
|
||||||
|
struct wl_surface *surface;
|
||||||
|
struct wl_buffer *buffer;
|
||||||
|
void *data;
|
||||||
|
};
|
||||||
|
|
||||||
|
typedef struct _GstWayLandSink GstWayLandSink;
|
||||||
|
typedef struct _GstWayLandSinkClass GstWayLandSinkClass;
|
||||||
|
|
||||||
|
struct _GstWayLandSink
|
||||||
|
{
|
||||||
|
|
||||||
|
GstVideoSink parent;
|
||||||
|
|
||||||
|
GstCaps *caps;
|
||||||
|
|
||||||
|
struct display *display;
|
||||||
|
struct window *window;
|
||||||
|
|
||||||
|
GCond *buffer_cond;
|
||||||
|
GMutex *buffer_lock;
|
||||||
|
|
||||||
|
GCond *wayland_cond;
|
||||||
|
GMutex *wayland_lock;
|
||||||
|
|
||||||
|
gboolean unlock;
|
||||||
|
|
||||||
|
guint width, height, depth, size;
|
||||||
|
|
||||||
|
void *MapAddr;
|
||||||
|
gboolean render_finish;
|
||||||
|
|
||||||
|
};
|
||||||
|
|
||||||
|
struct _GstWayLandSinkClass
|
||||||
|
{
|
||||||
|
GstVideoSinkClass parent;
|
||||||
|
|
||||||
|
};
|
||||||
|
|
||||||
|
GType
|
||||||
|
gst_wayland_sink_get_type (void)
|
||||||
|
G_GNUC_CONST;
|
||||||
|
|
||||||
|
G_END_DECLS
|
||||||
|
#endif /* __GST_WAYLAND_VIDEO_SINK_H__ */
|
||||||
Loading…
Reference in a new issue