mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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added sdl
Original commit message from CVS: added sdl
This commit is contained in:
parent
2819ff07ce
commit
a108514e7a
4 changed files with 496 additions and 3 deletions
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@ -568,9 +568,9 @@ dnl AC_CHECK_HEADERS(rtp/rtp-audio.h, :, HAVE_LIBRTP=no)
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dnl *** SDL ***
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translit(dnm, m, l) AM_CONDITIONAL(USE_LIBSDL, true)
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GST_CHECK_FEATURE(LIBSDL, [SDL plugin], sdlvideosink, [
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AM_PATH_SDL(, HAVE_LIBSDL=yes, HAVE_LIBSDL=no)
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translit(dnm, m, l) AM_CONDITIONAL(USE_SDL, true)
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GST_CHECK_FEATURE(SDL, [SDL plugin], sdlvideosink, [
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AM_PATH_SDL(, HAVE_SDL=yes, HAVE_SDL=no)
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])
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dnl *** shout ***
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@ -1147,6 +1147,7 @@ sys/xvideo/Makefile
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ext/Makefile
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ext/esd/Makefile
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ext/mad/Makefile
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ext/sdl/Makefile
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ext/vorbis/Makefile
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)
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11
ext/sdl/Makefile.am
Normal file
11
ext/sdl/Makefile.am
Normal file
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@ -0,0 +1,11 @@
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plugindir = $(libdir)/gst
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plugin_LTLIBRARIES = libsdlvideosink.la
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libsdlvideosink_la_SOURCES = sdlvideosink.c
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## FIXME I have my doubts about these opti flags
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libsdlvideosink_la_CFLAGS = -ffast-math -finline-functions $(GST_CFLAGS) $(SDL_CFLAGS)
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libsdlvideosink_la_LIBADD = $(SDL_LIBS)
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noinst_HEADERS = sdlvideosink.h
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394
ext/sdl/sdlvideosink.c
Normal file
394
ext/sdl/sdlvideosink.c
Normal file
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@ -0,0 +1,394 @@
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/* GStreamer SDL plugin
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* Copyright (C) 2001 Ronald Bultje <rbultje@ronald.bitfreak.net>
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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
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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/* let's not forget to mention that all this was based on aasink ;-) */
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#include <config.h>
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#include <signal.h>
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#include <string.h>
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#include <sys/time.h>
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#include "sdlvideosink.h"
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static GstElementDetails gst_sdlvideosink_details = {
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"Video sink",
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"Sink/Video",
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"An SDL-based videosink",
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VERSION,
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"Ronald Bultje <rbultje@ronald.bitfreak.net>",
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"(C) 2001",
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};
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/* sdlvideosink signals and args */
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enum {
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SIGNAL_FRAME_DISPLAYED,
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SIGNAL_HAVE_SIZE,
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LAST_SIGNAL
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};
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enum {
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ARG_0,
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ARG_WIDTH,
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ARG_HEIGHT,
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ARG_DRIVER,
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ARG_DITHER,
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ARG_BRIGHTNESS,
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ARG_CONTRAST,
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ARG_GAMMA,
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ARG_INVERSION,
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ARG_RANDOMVAL,
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ARG_FRAMES_DISPLAYED,
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ARG_FRAME_TIME,
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};
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GST_PADTEMPLATE_FACTORY (sink_template,
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"sink",
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GST_PAD_SINK,
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GST_PAD_ALWAYS,
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GST_CAPS_NEW (
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"sdlvideosink_caps",
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"video/raw",
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"format", GST_PROPS_FOURCC (GST_STR_FOURCC ("I420")),
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"width", GST_PROPS_INT_RANGE (0, G_MAXINT),
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"height", GST_PROPS_INT_RANGE (0, G_MAXINT)
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)
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)
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static void gst_sdlvideosink_class_init (GstSDLVideoSinkClass *klass);
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static void gst_sdlvideosink_init (GstSDLVideoSink *sdlvideosink);
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static void gst_sdlvideosink_chain (GstPad *pad, GstBuffer *buf);
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static void gst_sdlvideosink_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec);
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static void gst_sdlvideosink_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec);
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static void gst_sdlvideosink_close (GstSDLVideoSink *sdlvideosink);
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static GstElementStateReturn gst_sdlvideosink_change_state (GstElement *element);
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static GstElementClass *parent_class = NULL;
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static guint gst_sdlvideosink_signals[LAST_SIGNAL] = { 0 };
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GType
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gst_sdlvideosink_get_type (void)
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{
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static GType sdlvideosink_type = 0;
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if (!sdlvideosink_type) {
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static const GTypeInfo sdlvideosink_info = {
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sizeof(GstSDLVideoSinkClass), NULL,
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NULL,
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(GClassInitFunc)gst_sdlvideosink_class_init,
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NULL,
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NULL,
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sizeof(GstSDLVideoSink),
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0,
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(GInstanceInitFunc)gst_sdlvideosink_init,
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};
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sdlvideosink_type = g_type_register_static(GST_TYPE_ELEMENT, "GstSDLVideoSink", &sdlvideosink_info, 0);
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}
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return sdlvideosink_type;
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}
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static void
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gst_sdlvideosink_class_init (GstSDLVideoSinkClass *klass)
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{
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GObjectClass *gobject_class;
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GstElementClass *gstelement_class;
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gobject_class = (GObjectClass*)klass;
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gstelement_class = (GstElementClass*)klass;
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parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
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g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_WIDTH,
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g_param_spec_int("width","width","width",
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G_MININT,G_MAXINT,0,G_PARAM_READWRITE)); // CHECKME
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g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_HEIGHT,
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g_param_spec_int("height","height","height",
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G_MININT,G_MAXINT,0,G_PARAM_READWRITE)); // CHECKME
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g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_BRIGHTNESS,
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g_param_spec_int("brightness","brightness","brightness",
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G_MININT,G_MAXINT,0,G_PARAM_READWRITE)); // CHECKME
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g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_CONTRAST,
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g_param_spec_int("contrast","contrast","contrast",
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G_MININT,G_MAXINT,0,G_PARAM_READWRITE)); // CHECKME
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g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_GAMMA,
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g_param_spec_float("gamma","gamma","gamma",
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0.0,5.0,1.0,G_PARAM_READWRITE)); // CHECKME
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g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_INVERSION,
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g_param_spec_boolean("inversion","inversion","inversion",
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TRUE,G_PARAM_READWRITE)); // CHECKME
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g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_RANDOMVAL,
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g_param_spec_int("randomval","randomval","randomval",
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G_MININT,G_MAXINT,0,G_PARAM_READWRITE)); // CHECKME
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g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_FRAMES_DISPLAYED,
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g_param_spec_int("frames_displayed","frames_displayed","frames_displayed",
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G_MININT,G_MAXINT,0,G_PARAM_READABLE)); // CHECKME
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g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_FRAME_TIME,
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g_param_spec_int("frame_time","frame_time","frame_time",
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G_MININT,G_MAXINT,0,G_PARAM_READABLE)); // CHECKME
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gobject_class->set_property = gst_sdlvideosink_set_property;
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gobject_class->get_property = gst_sdlvideosink_get_property;
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gst_sdlvideosink_signals[SIGNAL_FRAME_DISPLAYED] =
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g_signal_new ("frame_displayed", G_TYPE_FROM_CLASS(klass), G_SIGNAL_RUN_LAST,
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G_STRUCT_OFFSET (GstSDLVideoSinkClass, frame_displayed), NULL, NULL,
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g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0);
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gst_sdlvideosink_signals[SIGNAL_HAVE_SIZE] =
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g_signal_new ("have_size", G_TYPE_FROM_CLASS(klass), G_SIGNAL_RUN_LAST,
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G_STRUCT_OFFSET (GstSDLVideoSinkClass, have_size), NULL, NULL,
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gst_marshal_VOID__INT_INT, G_TYPE_NONE, 2,
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G_TYPE_UINT, G_TYPE_UINT);
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gstelement_class->change_state = gst_sdlvideosink_change_state;
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}
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static void
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gst_sdlvideosink_newcaps (GstPad *pad, GstCaps *caps)
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{
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GstSDLVideoSink *sdlvideosink;
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gulong print_format;
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sdlvideosink = GST_SDLVIDEOSINK (gst_pad_get_parent (pad));
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sdlvideosink->width = gst_caps_get_int (caps, "width");
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sdlvideosink->height = gst_caps_get_int (caps, "height");
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print_format = GULONG_FROM_LE (sdlvideosink->format);
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sdlvideosink->screen = SDL_SetVideoMode(sdlvideosink->width, sdlvideosink->height,
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0, SDL_SWSURFACE);
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if ( sdlvideosink->screen == NULL /* || sdlvideosink->buffer == NULL */) {
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GST_ERROR(0, "SDL: Couldn't set %dx%d: %s", sdlvideosink->width,
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sdlvideosink->height, SDL_GetError());
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printf("error\n");
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return;
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}
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else {
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GST_DEBUG(0, "SDL: Set %dx%d @ %d bpp\n", sdlvideosink->width,
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sdlvideosink->height, sdlvideosink->screen->format->BitsPerPixel);
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}
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sdlvideosink->yuv_overlay = SDL_CreateYUVOverlay(sdlvideosink->width, sdlvideosink->height,
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SDL_IYUV_OVERLAY, sdlvideosink->screen);
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if ( sdlvideosink->yuv_overlay == NULL ) {
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GST_ERROR(0, "SDL: Couldn't create SDL_yuv_overlay: %s\n", SDL_GetError());
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return;
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}
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sdlvideosink->rect.x = 0;
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sdlvideosink->rect.y = 0;
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sdlvideosink->rect.w = sdlvideosink->width;
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sdlvideosink->rect.h = sdlvideosink->height;
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SDL_DisplayYUVOverlay(sdlvideosink->yuv_overlay, &(sdlvideosink->rect));
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/* make stupid SDL *not* react on SIGINT */
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signal(SIGINT, SIG_DFL);
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GST_DEBUG (0, "sdlvideosink: setting %08lx (%4.4s)\n", sdlvideosink->format, (gchar*)&print_format);
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g_signal_emit (G_OBJECT (sdlvideosink), gst_sdlvideosink_signals[SIGNAL_HAVE_SIZE], 0,
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sdlvideosink->width, sdlvideosink->height);
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}
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static void
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gst_sdlvideosink_init (GstSDLVideoSink *sdlvideosink)
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{
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sdlvideosink->sinkpad = gst_pad_new_from_template (
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GST_PADTEMPLATE_GET (sink_template), "sink");
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gst_element_add_pad (GST_ELEMENT (sdlvideosink), sdlvideosink->sinkpad);
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gst_pad_set_chain_function (sdlvideosink->sinkpad, gst_sdlvideosink_chain);
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gst_pad_set_newcaps_function (sdlvideosink->sinkpad, gst_sdlvideosink_newcaps);
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sdlvideosink->clock = gst_clock_get_system();
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gst_clock_register(sdlvideosink->clock, GST_OBJECT(sdlvideosink));
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sdlvideosink->width = -1;
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sdlvideosink->height = -1;
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GST_FLAG_SET(sdlvideosink, GST_ELEMENT_THREAD_SUGGESTED);
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}
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static void
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gst_sdlvideosink_chain (GstPad *pad, GstBuffer *buf)
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{
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GstSDLVideoSink *sdlvideosink;
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GstClockTimeDiff jitter;
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g_return_if_fail (pad != NULL);
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g_return_if_fail (GST_IS_PAD (pad));
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g_return_if_fail (buf != NULL);
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sdlvideosink = GST_SDLVIDEOSINK (gst_pad_get_parent (pad));
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if (!GST_BUFFER_FLAG_IS_SET(buf, GST_BUFFER_FLUSH)) {
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GST_DEBUG (0,"videosink: clock wait: %llu\n", GST_BUFFER_TIMESTAMP(buf));
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jitter = gst_clock_current_diff(sdlvideosink->clock, GST_BUFFER_TIMESTAMP (buf));
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if (jitter > 500000 || jitter < -500000)
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{
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GST_DEBUG (0, "jitter: %lld\n", jitter);
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gst_clock_set (sdlvideosink->clock, GST_BUFFER_TIMESTAMP (buf));
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}
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else {
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gst_clock_wait(sdlvideosink->clock, GST_BUFFER_TIMESTAMP(buf), GST_OBJECT(sdlvideosink));
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}
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}
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/* Lock SDL/yuv-overlay */
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if ( SDL_LockSurface(sdlvideosink->screen) < 0 ) {
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GST_ERROR(0, "SDL_LockSurface(sdlvideosink->screen) < 0");
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return;
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}
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if (SDL_LockYUVOverlay(sdlvideosink->yuv_overlay) < 0) {
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GST_ERROR(0, "SDL_LockYUVOverlay(sdlvideosink->yuv_overlay) < 0");
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return;
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}
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/* buf->yuv */
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sdlvideosink->yuv[0] = GST_BUFFER_DATA(buf);
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sdlvideosink->yuv[1] = sdlvideosink->yuv[0] + sdlvideosink->width*sdlvideosink->height;
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sdlvideosink->yuv[2] = sdlvideosink->yuv[1] + sdlvideosink->width*sdlvideosink->height/4;
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/* let's draw the data (*yuv[3]) on a SDL screen (*buffer) */
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sdlvideosink->yuv_overlay->pixels = sdlvideosink->yuv;
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/* Unlock SDL_yuv_overlay */
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SDL_UnlockYUVOverlay(sdlvideosink->yuv_overlay);
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SDL_UnlockSurface(sdlvideosink->screen);
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/* Show, baby, show! */
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SDL_DisplayYUVOverlay(sdlvideosink->yuv_overlay, &(sdlvideosink->rect));
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SDL_UpdateRect(sdlvideosink->screen, 0, 0, sdlvideosink->width, sdlvideosink->height);
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g_signal_emit(G_OBJECT(sdlvideosink),gst_sdlvideosink_signals[SIGNAL_FRAME_DISPLAYED],0);
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gst_buffer_unref(buf);
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}
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static void
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gst_sdlvideosink_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
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{
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GstSDLVideoSink *sdlvideosink;
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/* it's not null if we got it, but it might not be ours */
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g_return_if_fail (GST_IS_SDLVIDEOSINK (object));
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sdlvideosink = GST_SDLVIDEOSINK (object);
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}
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static void
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gst_sdlvideosink_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
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{
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GstSDLVideoSink *sdlvideosink;
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/* it's not null if we got it, but it might not be ours */
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sdlvideosink = GST_SDLVIDEOSINK(object);
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switch (prop_id) {
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case ARG_FRAMES_DISPLAYED: {
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g_value_set_int (value, sdlvideosink->frames_displayed);
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break;
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}
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case ARG_FRAME_TIME: {
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g_value_set_int (value, sdlvideosink->frame_time/1000000);
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break;
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}
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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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}
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static gboolean
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gst_sdlvideosink_open (GstSDLVideoSink *sdlvideosink)
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{
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g_return_val_if_fail (!GST_FLAG_IS_SET (sdlvideosink ,GST_SDLVIDEOSINK_OPEN), FALSE);
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/* Initialize the SDL library */
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if( SDL_Init(SDL_INIT_VIDEO | SDL_INIT_NOPARACHUTE) < 0 ) {
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GST_ERROR(0, "Couldn't initialize SDL: %s\n", SDL_GetError());
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return FALSE;
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}
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GST_FLAG_SET (sdlvideosink, GST_SDLVIDEOSINK_OPEN);
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return TRUE;
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}
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static void
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gst_sdlvideosink_close (GstSDLVideoSink *sdlvideosink)
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{
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g_return_if_fail (GST_FLAG_IS_SET (sdlvideosink ,GST_SDLVIDEOSINK_OPEN));
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SDL_FreeYUVOverlay(sdlvideosink->yuv_overlay);
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SDL_Quit();
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GST_FLAG_UNSET (sdlvideosink, GST_SDLVIDEOSINK_OPEN);
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}
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static GstElementStateReturn
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gst_sdlvideosink_change_state (GstElement *element)
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{
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g_return_val_if_fail (GST_IS_SDLVIDEOSINK (element), GST_STATE_FAILURE);
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if (GST_STATE_PENDING (element) == GST_STATE_NULL) {
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if (GST_FLAG_IS_SET (element, GST_SDLVIDEOSINK_OPEN))
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gst_sdlvideosink_close (GST_SDLVIDEOSINK (element));
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} else {
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if (!GST_FLAG_IS_SET (element, GST_SDLVIDEOSINK_OPEN)) {
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if (!gst_sdlvideosink_open (GST_SDLVIDEOSINK (element)))
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return GST_STATE_FAILURE;
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}
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}
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if (GST_ELEMENT_CLASS (parent_class)->change_state)
|
||||
return GST_ELEMENT_CLASS (parent_class)->change_state (element);
|
||||
|
||||
return GST_STATE_SUCCESS;
|
||||
}
|
||||
|
||||
static gboolean
|
||||
plugin_init (GModule *module, GstPlugin *plugin)
|
||||
{
|
||||
GstElementFactory *factory;
|
||||
|
||||
/* create an elementfactory for the sdlvideosink element */
|
||||
factory = gst_elementfactory_new("sdlvideosink",GST_TYPE_SDLVIDEOSINK,
|
||||
&gst_sdlvideosink_details);
|
||||
g_return_val_if_fail(factory != NULL, FALSE);
|
||||
|
||||
gst_elementfactory_add_padtemplate (factory,
|
||||
GST_PADTEMPLATE_GET (sink_template));
|
||||
|
||||
gst_plugin_add_feature (plugin, GST_PLUGIN_FEATURE (factory));
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
GstPluginDesc plugin_desc = {
|
||||
GST_VERSION_MAJOR,
|
||||
GST_VERSION_MINOR,
|
||||
"sdlvideosink",
|
||||
plugin_init
|
||||
};
|
87
ext/sdl/sdlvideosink.h
Normal file
87
ext/sdl/sdlvideosink.h
Normal file
|
@ -0,0 +1,87 @@
|
|||
/* GStreamer SDL plugin
|
||||
* Copyright (C) 2001 Ronald Bultje <rbultje@ronald.bitfreak.net>
|
||||
*
|
||||
* 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.
|
||||
*/
|
||||
|
||||
|
||||
#ifndef __GST_SDLVIDEOSINK_H__
|
||||
#define __GST_SDLVIDEOSINK_H__
|
||||
|
||||
#include <gst/gst.h>
|
||||
|
||||
#include <SDL.h>
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif /* __cplusplus */
|
||||
|
||||
|
||||
#define GST_TYPE_SDLVIDEOSINK \
|
||||
(gst_sdlvideosink_get_type())
|
||||
#define GST_SDLVIDEOSINK(obj) \
|
||||
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_SDLVIDEOSINK,GstSDLVideoSink))
|
||||
#define GST_SDLVIDEOSINK_CLASS(klass) \
|
||||
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_SDLVIDEOSINK,GstSDLVideoSink))
|
||||
#define GST_IS_SDLVIDEOSINK(obj) \
|
||||
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_SDLVIDEOSINK))
|
||||
#define GST_IS_SDLVIDEOSINK_CLASS(obj) \
|
||||
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_SDLVIDEOSINK))
|
||||
|
||||
typedef enum {
|
||||
GST_SDLVIDEOSINK_OPEN = GST_ELEMENT_FLAG_LAST,
|
||||
|
||||
GST_SDLVIDEOSINK_FLAG_LAST = GST_ELEMENT_FLAG_LAST + 2,
|
||||
} GstSDLVideoSinkFlags;
|
||||
|
||||
typedef struct _GstSDLVideoSink GstSDLVideoSink;
|
||||
typedef struct _GstSDLVideoSinkClass GstSDLVideoSinkClass;
|
||||
|
||||
struct _GstSDLVideoSink {
|
||||
GstElement element;
|
||||
|
||||
GstPad *sinkpad;
|
||||
|
||||
gulong format;
|
||||
gint width, height;
|
||||
|
||||
gint frames_displayed;
|
||||
guint64 frame_time;
|
||||
|
||||
GstClock *clock;
|
||||
|
||||
unsigned char *yuv[3];
|
||||
SDL_Surface *screen;
|
||||
SDL_Overlay *yuv_overlay;
|
||||
SDL_Rect rect;
|
||||
};
|
||||
|
||||
struct _GstSDLVideoSinkClass {
|
||||
GstElementClass parent_class;
|
||||
|
||||
/* signals */
|
||||
void (*frame_displayed) (GstElement *element);
|
||||
void (*have_size) (GstElement *element, guint width, guint height);
|
||||
};
|
||||
|
||||
GType gst_sdlsink_get_type(void);
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif /* __cplusplus */
|
||||
|
||||
|
||||
#endif /* __GST_SDLVIDEOSINK_H__ */
|
Loading…
Reference in a new issue