mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-10-02 16:52:42 +00:00
avc: Add AVC Video Services plugin for OS/X
This commit is contained in:
parent
df6c288ebc
commit
84fb75ce86
6 changed files with 555 additions and 2 deletions
17
configure.ac
17
configure.ac
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@ -534,6 +534,22 @@ case "$host" in
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;;
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esac
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dnl *** OS/X AVCVideoServices ***
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translit(dnm, m, l) AM_CONDITIONAL(USE_AVC, true)
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HAVE_AVC="no"
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AG_GST_CHECK_FEATURE(AVC, [AVC Video Services], avcsrc, [
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AC_CHECK_TYPE([AVCDevice], HAVE_AVC="yes", HAVE_AVC="no",
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[#include <AVCVideoServices/AVCVideoServices.h>])
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])
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dnl in case header AVCVideoServices/AVCVideoServices.h is found on other platforms
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case "$host" in
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*-*darwin*)
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;;
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*)
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HAVE_AVC="no"
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;;
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esac
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dnl check for QuickTime
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translit(dnm, m, l) AM_CONDITIONAL(USE_QUICKTIME, true)
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AG_GST_CHECK_FEATURE(QUICKTIME, [QuickTime wrapper], qtwrapper, [
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@ -1836,6 +1852,7 @@ sys/dshowdecwrapper/Makefile
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sys/acmenc/Makefile
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sys/acmmp3dec/Makefile
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sys/applemedia/Makefile
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sys/avc/Makefile
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sys/decklink/Makefile
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sys/directdraw/Makefile
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sys/directsound/Makefile
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@ -101,9 +101,15 @@ else
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SHM_DIR=
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endif
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SUBDIRS = $(ACM_DIR) $(APPLE_MEDIA_DIR) $(DECKLINK_DIR) $(DIRECTDRAW_DIR) $(DIRECTSOUND_DIR) $(DVB_DIR) $(FBDEV_DIR) $(LINSYS_DIR) $(OSX_VIDEO_DIR) $(QT_DIR) $(SHM_DIR) $(VCD_DIR) $(VDPAU_DIR) $(WININET_DIR)
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if USE_AVC
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AVC_DIR=avc
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else
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AVC_DIR=
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endif
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DIST_SUBDIRS = acmenc acmmp3dec applemedia decklink directdraw directsound dvb linsys fbdev dshowdecwrapper dshowsrcwrapper dshowvideosink \
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SUBDIRS = $(ACM_DIR) $(APPLE_MEDIA_DIR) $(AVC_DIR) $(DECKLINK_DIR) $(DIRECTDRAW_DIR) $(DIRECTSOUND_DIR) $(DVB_DIR) $(FBDEV_DIR) $(LINSYS_DIR) $(OSX_VIDEO_DIR) $(QT_DIR) $(SHM_DIR) $(VCD_DIR) $(VDPAU_DIR) $(WININET_DIR)
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DIST_SUBDIRS = acmenc acmmp3dec applemedia avc decklink directdraw directsound dvb linsys fbdev dshowdecwrapper dshowsrcwrapper dshowvideosink \
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osxvideo qtwrapper shm vcd vdpau wasapi wininet winks winscreencap
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include $(top_srcdir)/common/parallel-subdirs.mak
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24
sys/avc/Makefile.am
Normal file
24
sys/avc/Makefile.am
Normal file
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@ -0,0 +1,24 @@
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plugin_LTLIBRARIES = libgstavc.la
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libgstavc_la_SOURCES = gstavcplugin.cpp gstavcsrc.cpp
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libgstavc_la_CPPFLAGS = \
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$(GST_PLUGINS_BAD_CXXFLAGS) \
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$(GST_PLUGINS_BASE_CXXFLAGS) \
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$(GST_CXXFLAGS) \
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-Wno-deprecated-declarations
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libgstavc_la_LIBADD = \
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$(GST_PLUGINS_BASE_LIBS) -lgstvideo-$(GST_MAJORMINOR) \
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-lgstinterfaces-$(GST_MAJORMINOR) \
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$(GST_BASE_LIBS) \
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$(GST_LIBS)
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libgstavc_la_LIBTOOLFLAGS = --tag=disable-static
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libgstavc_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS) \
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-Wl,-framework -Wl,AVCVideoServices \
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-Wl,-framework -Wl,Cocoa \
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-Wl,-framework -Wl,QuickTime
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noinst_HEADERS = gstavcsrc.h
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41
sys/avc/gstavcplugin.cpp
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41
sys/avc/gstavcplugin.cpp
Normal file
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@ -0,0 +1,41 @@
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/* GStreamer
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* Copyright (C) 2011 David Schleef <ds@entropywave.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
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* Free Software Foundation, Inc., 51 Franklin Street, Suite 500,
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* Boston, MA 02110-1335, USA.
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*/
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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 <gst/gst.h>
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#include "gstavcsrc.h"
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static gboolean
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plugin_init (GstPlugin * plugin)
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{
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gst_element_register (plugin, "avcsrc", GST_RANK_NONE,
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gst_avc_src_get_type ());
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return TRUE;
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}
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GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
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GST_VERSION_MINOR,
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"avcsrc",
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"AVC Video Services plugin",
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plugin_init, VERSION, "LGPL", PACKAGE_NAME, GST_PACKAGE_ORIGIN)
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408
sys/avc/gstavcsrc.cpp
Normal file
408
sys/avc/gstavcsrc.cpp
Normal file
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@ -0,0 +1,408 @@
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/* GStreamer
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* Copyright (C) 2011 David Schleef <ds@entropywave.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
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* Free Software Foundation, Inc., 51 Franklin Street, Suite 500,
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* Boston, MA 02110-1335, USA.
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*/
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/**
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* SECTION:element-gstavcsrc
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*
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* The avcsrc element captures video from an OS/X AVC Video Services
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* devices, typically a FireWire camera.
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*
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* <refsect2>
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* <title>Example launch line</title>
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* |[
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* gst-launch -v avcsrc ! decodebin ! osxvideosink
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* ]|
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*
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* This pipeline captures from an AVC source, decodes the stream (either
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* DV or HDV), and displays the video.
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* </refsect2>
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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//#define ENABLE
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#ifdef ENABLE
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#include <AVCVideoServices/AVCVideoServices.h>
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using namespace AVS;
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#endif
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#include <gst/gst.h>
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#include <gst/base/gstbasesrc.h>
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#include "gstavcsrc.h"
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GST_DEBUG_CATEGORY_STATIC (gst_avc_src_debug_category);
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#define GST_CAT_DEFAULT gst_avc_src_debug_category
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/* prototypes */
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static void gst_avc_src_set_property (GObject * object,
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guint property_id, const GValue * value, GParamSpec * pspec);
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static void gst_avc_src_get_property (GObject * object,
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guint property_id, GValue * value, GParamSpec * pspec);
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static void gst_avc_src_dispose (GObject * object);
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static void gst_avc_src_finalize (GObject * object);
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static GstCaps *gst_avc_src_get_caps (GstBaseSrc * src);
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static gboolean gst_avc_src_start (GstBaseSrc * src);
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static gboolean gst_avc_src_stop (GstBaseSrc * src);
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static gboolean gst_avc_src_is_seekable (GstBaseSrc * src);
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static gboolean gst_avc_src_unlock (GstBaseSrc * src);
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static gboolean gst_avc_src_event (GstBaseSrc * src, GstEvent * event);
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static GstFlowReturn
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gst_avc_src_create (GstBaseSrc * src, guint64 offset, guint size,
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GstBuffer ** buf);
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static gboolean gst_avc_src_query (GstBaseSrc * src, GstQuery * query);
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static gboolean gst_avc_src_unlock_stop (GstBaseSrc * src);
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enum
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{
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PROP_0
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};
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/* pad templates */
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static GstStaticPadTemplate gst_avc_src_src_template =
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GST_STATIC_PAD_TEMPLATE ("src",
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS
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("video/dv,systemstream=true;video/mpegts,systemstream=true,packetsize=188")
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);
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/* class initialization */
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#define DEBUG_INIT(bla) \
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GST_DEBUG_CATEGORY_INIT (gst_avc_src_debug_category, "avcsrc", 0, \
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"debug category for avcsrc element");
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GST_BOILERPLATE_FULL (GstAVCSrc, gst_avc_src, GstBaseSrc,
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GST_TYPE_BASE_SRC, DEBUG_INIT);
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static void
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gst_avc_src_base_init (gpointer g_class)
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{
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GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&gst_avc_src_src_template));
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gst_element_class_set_details_simple (element_class,
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"AVC Video Services Source", "Video/Source",
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"Captures DV or HDV video from Firewire port",
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"David Schleef <ds@entropywave.com>");
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}
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static void
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gst_avc_src_class_init (GstAVCSrcClass * klass)
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
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GstBaseSrcClass *base_src_class = GST_BASE_SRC_CLASS (klass);
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gobject_class->set_property = gst_avc_src_set_property;
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gobject_class->get_property = gst_avc_src_get_property;
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gobject_class->dispose = gst_avc_src_dispose;
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gobject_class->finalize = gst_avc_src_finalize;
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base_src_class->get_caps = GST_DEBUG_FUNCPTR (gst_avc_src_get_caps);
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base_src_class->start = GST_DEBUG_FUNCPTR (gst_avc_src_start);
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base_src_class->stop = GST_DEBUG_FUNCPTR (gst_avc_src_stop);
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base_src_class->is_seekable = GST_DEBUG_FUNCPTR (gst_avc_src_is_seekable);
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base_src_class->unlock = GST_DEBUG_FUNCPTR (gst_avc_src_unlock);
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base_src_class->event = GST_DEBUG_FUNCPTR (gst_avc_src_event);
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base_src_class->create = GST_DEBUG_FUNCPTR (gst_avc_src_create);
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if (0)
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base_src_class->query = GST_DEBUG_FUNCPTR (gst_avc_src_query);
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if (0)
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base_src_class->unlock_stop = GST_DEBUG_FUNCPTR (gst_avc_src_unlock_stop);
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}
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static void
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gst_avc_src_init (GstAVCSrc * avcsrc, GstAVCSrcClass * avcsrc_class)
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{
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avcsrc->srcpad = gst_pad_new_from_static_template (&gst_avc_src_src_template,
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"src");
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avcsrc->queue = gst_atomic_queue_new (16);
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avcsrc->cond = g_cond_new ();
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avcsrc->queue_lock = g_mutex_new ();
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}
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void
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gst_avc_src_set_property (GObject * object, guint property_id,
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const GValue * value, GParamSpec * pspec)
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{
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/* GstAVCSrc *avcsrc = GST_AVC_SRC (object); */
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switch (property_id) {
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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break;
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}
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}
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void
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gst_avc_src_get_property (GObject * object, guint property_id,
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GValue * value, GParamSpec * pspec)
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{
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/* GstAVCSrc *avcsrc = GST_AVC_SRC (object); */
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switch (property_id) {
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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break;
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}
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}
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void
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gst_avc_src_dispose (GObject * object)
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{
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/* GstAVCSrc *avcsrc = GST_AVC_SRC (object); */
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/* clean up as possible. may be called multiple times */
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G_OBJECT_CLASS (parent_class)->dispose (object);
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}
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void
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gst_avc_src_finalize (GObject * object)
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{
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GstAVCSrc *avcsrc = GST_AVC_SRC (object);
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/* clean up object here */
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gst_atomic_queue_unref (avcsrc->queue);
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g_cond_free (avcsrc->cond);
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g_mutex_free (avcsrc->queue_lock);
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G_OBJECT_CLASS (parent_class)->finalize (object);
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}
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static GstCaps *
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gst_avc_src_get_caps (GstBaseSrc * src)
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{
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/* GstAVCSrc *avcsrc = GST_AVC_SRC (src); */
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return gst_caps_from_string ("video/mpegts,systemstream=true,packetsize=188");
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}
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#define kNumCyclesInMPEGReceiverSegment 20
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#define kNumSegmentsInMPEGReceiverProgram 100
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#ifdef ENABLE
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void
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MPEGReceiverMessageReceivedProc (UInt32 msg, UInt32 param1, UInt32 param2,
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void *pRefCon)
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{
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}
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IOReturn
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MyStructuredDataPushProc (UInt32 CycleDataCount,
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MPEGReceiveCycleData * pCycleData, void *pRefCon)
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{
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GstAVCSrc *avcsrc = GST_AVC_SRC (pRefCon);
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if (avcsrc) {
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for (int cycle = 0; cycle < CycleDataCount; cycle++) {
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for (int sourcePacket = 0; sourcePacket < pCycleData[cycle].tsPacketCount;
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sourcePacket++) {
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GstBuffer *buffer;
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buffer = gst_buffer_new_and_alloc (kMPEG2TSPacketSize);
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memcpy (GST_BUFFER_DATA (buffer),
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pCycleData[cycle].pBuf[sourcePacket], kMPEG2TSPacketSize);
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gst_atomic_queue_push (avcsrc->queue, buffer);
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}
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}
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g_mutex_lock (avcsrc->queue_lock);
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g_cond_signal (avcsrc->cond);
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g_mutex_unlock (avcsrc->queue_lock);
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}
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return 0;
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}
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#endif
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static gboolean
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gst_avc_src_start (GstBaseSrc * src)
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{
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GstAVCSrc *avcsrc = GST_AVC_SRC (src);
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#ifdef ENABLE
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AVCDeviceController *pAVCDeviceController = nil;
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AVCDevice *pAVCDevice;
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AVCDeviceStream *pAVCDeviceStream;
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int deviceIndex = 0;
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#endif
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GST_DEBUG_OBJECT (avcsrc, "start");
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avcsrc->unlock = FALSE;
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#ifdef ENABLE
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// Create a AVCDeviceController
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CreateAVCDeviceController (&pAVCDeviceController);
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if (!pAVCDeviceController) {
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// TODO: This should never happen (unless we've run out of memory), but we should handle it cleanly anyway
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GST_ERROR ("Failed to create AVC device controller.");
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return FALSE;
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}
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GST_INFO ("Created AVC device controller.");
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if (deviceIndex >= CFArrayGetCount (pAVCDeviceController->avcDeviceArray)) {
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GST_ERROR ("Failed to find AVC device %d", deviceIndex);
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return FALSE;
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}
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pAVCDevice = (AVCDevice *)
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CFArrayGetValueAtIndex (pAVCDeviceController->avcDeviceArray,
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deviceIndex);
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if (!pAVCDevice) {
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GST_ERROR ("Failed to find AVC device %d", deviceIndex);
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return FALSE;
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}
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GST_INFO ("Found device with GUID 0x%016llX\n", pAVCDevice->guid);
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pAVCDevice->openDevice (nil, nil);
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pAVCDeviceStream = pAVCDevice->CreateMPEGReceiverForDevicePlug (0, nil, // We'll install the structured callback later (MyStructuredDataPushProc),
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nil,
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MPEGReceiverMessageReceivedProc,
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nil,
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nil, kNumCyclesInMPEGReceiverSegment, kNumSegmentsInMPEGReceiverProgram);
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pAVCDeviceStream->pMPEGReceiver->registerStructuredDataPushCallback
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(MyStructuredDataPushProc,
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kNumCyclesInMPEGReceiverSegment, (void *) avcsrc);
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pAVCDevice->StartAVCDeviceStream (pAVCDeviceStream);
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#endif
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return TRUE;
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}
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static gboolean
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gst_avc_src_stop (GstBaseSrc * src)
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{
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GstAVCSrc *avcsrc = GST_AVC_SRC (src);
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GstBuffer *buffer;
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GST_DEBUG_OBJECT (avcsrc, "stop");
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/* FIXME do whatever is needed to stop capture */
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|
||||
while ((buffer = GST_BUFFER (gst_atomic_queue_pop (avcsrc->queue))) != NULL) {
|
||||
gst_buffer_unref (buffer);
|
||||
}
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
static gboolean
|
||||
gst_avc_src_is_seekable (GstBaseSrc * src)
|
||||
{
|
||||
GstAVCSrc *avcsrc = GST_AVC_SRC (src);
|
||||
|
||||
GST_DEBUG_OBJECT (avcsrc, "is_seekable");
|
||||
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
static gboolean
|
||||
gst_avc_src_unlock (GstBaseSrc * src)
|
||||
{
|
||||
GstAVCSrc *avcsrc = GST_AVC_SRC (src);
|
||||
|
||||
GST_DEBUG_OBJECT (avcsrc, "unlock");
|
||||
|
||||
g_mutex_lock (avcsrc->queue_lock);
|
||||
avcsrc->unlock = TRUE;
|
||||
g_cond_signal (avcsrc->cond);
|
||||
g_mutex_unlock (avcsrc->queue_lock);
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
static gboolean
|
||||
gst_avc_src_event (GstBaseSrc * src, GstEvent * event)
|
||||
{
|
||||
GstAVCSrc *avcsrc = GST_AVC_SRC (src);
|
||||
|
||||
GST_DEBUG_OBJECT (avcsrc, "event");
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
static GstFlowReturn
|
||||
gst_avc_src_create (GstBaseSrc * src, guint64 offset, guint size,
|
||||
GstBuffer ** buf)
|
||||
{
|
||||
GstAVCSrc *avcsrc = GST_AVC_SRC (src);
|
||||
GstBuffer *buffer;
|
||||
|
||||
GST_DEBUG_OBJECT (avcsrc, "create");
|
||||
|
||||
g_mutex_lock (avcsrc->queue_lock);
|
||||
buffer = GST_BUFFER (gst_atomic_queue_pop (avcsrc->queue));
|
||||
while (buffer == NULL && !avcsrc->unlock) {
|
||||
g_cond_wait (avcsrc->cond, avcsrc->queue_lock);
|
||||
buffer = GST_BUFFER (gst_atomic_queue_pop (avcsrc->queue));
|
||||
}
|
||||
g_mutex_unlock (avcsrc->queue_lock);
|
||||
|
||||
if (avcsrc->unlock) {
|
||||
if (buffer)
|
||||
gst_buffer_unref (buffer);
|
||||
return GST_FLOW_WRONG_STATE;
|
||||
}
|
||||
|
||||
gst_buffer_set_caps (buffer, GST_PAD_CAPS (avcsrc->srcpad));
|
||||
|
||||
*buf = buffer;
|
||||
|
||||
return GST_FLOW_OK;
|
||||
}
|
||||
|
||||
static gboolean
|
||||
gst_avc_src_query (GstBaseSrc * src, GstQuery * query)
|
||||
{
|
||||
GstAVCSrc *avcsrc = GST_AVC_SRC (src);
|
||||
|
||||
GST_DEBUG_OBJECT (avcsrc, "query");
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
static gboolean
|
||||
gst_avc_src_unlock_stop (GstBaseSrc * src)
|
||||
{
|
||||
GstAVCSrc *avcsrc = GST_AVC_SRC (src);
|
||||
|
||||
GST_DEBUG_OBJECT (avcsrc, "stop");
|
||||
|
||||
return TRUE;
|
||||
}
|
57
sys/avc/gstavcsrc.h
Normal file
57
sys/avc/gstavcsrc.h
Normal file
|
@ -0,0 +1,57 @@
|
|||
/* GStreamer
|
||||
* Copyright (C) 2011 FIXME <fixme@example.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., 59 Temple Place - Suite 330,
|
||||
* Boston, MA 02111-1307, USA.
|
||||
*/
|
||||
|
||||
#ifndef _GST_AVC_SRC_H_
|
||||
#define _GST_AVC_SRC_H_
|
||||
|
||||
#include <gst/base/gstbasesrc.h>
|
||||
|
||||
G_BEGIN_DECLS
|
||||
|
||||
#define GST_TYPE_AVC_SRC (gst_avc_src_get_type())
|
||||
#define GST_AVC_SRC(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_AVC_SRC,GstAVCSrc))
|
||||
#define GST_AVC_SRC_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_AVC_SRC,GstAVCSrcClass))
|
||||
#define GST_IS_AVC_SRC(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_AVC_SRC))
|
||||
#define GST_IS_AVC_SRC_CLASS(obj) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_AVC_SRC))
|
||||
|
||||
typedef struct _GstAVCSrc GstAVCSrc;
|
||||
typedef struct _GstAVCSrcClass GstAVCSrcClass;
|
||||
|
||||
struct _GstAVCSrc
|
||||
{
|
||||
GstBaseSrc base_avcsrc;
|
||||
|
||||
GstPad *srcpad;
|
||||
|
||||
GstAtomicQueue *queue;
|
||||
GCond *cond;
|
||||
GMutex *queue_lock;
|
||||
gboolean unlock;
|
||||
};
|
||||
|
||||
struct _GstAVCSrcClass
|
||||
{
|
||||
GstBaseSrcClass base_avcsrc_class;
|
||||
};
|
||||
|
||||
GType gst_avc_src_get_type (void);
|
||||
|
||||
G_END_DECLS
|
||||
|
||||
#endif
|
Loading…
Reference in a new issue