avc: Add AVC Video Services plugin for OS/X

This commit is contained in:
David Schleef 2011-04-16 19:42:00 -07:00
parent df6c288ebc
commit 84fb75ce86
6 changed files with 555 additions and 2 deletions

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@ -534,6 +534,22 @@ case "$host" in
;; ;;
esac esac
dnl *** OS/X AVCVideoServices ***
translit(dnm, m, l) AM_CONDITIONAL(USE_AVC, true)
HAVE_AVC="no"
AG_GST_CHECK_FEATURE(AVC, [AVC Video Services], avcsrc, [
AC_CHECK_TYPE([AVCDevice], HAVE_AVC="yes", HAVE_AVC="no",
[#include <AVCVideoServices/AVCVideoServices.h>])
])
dnl in case header AVCVideoServices/AVCVideoServices.h is found on other platforms
case "$host" in
*-*darwin*)
;;
*)
HAVE_AVC="no"
;;
esac
dnl check for QuickTime dnl check for QuickTime
translit(dnm, m, l) AM_CONDITIONAL(USE_QUICKTIME, true) translit(dnm, m, l) AM_CONDITIONAL(USE_QUICKTIME, true)
AG_GST_CHECK_FEATURE(QUICKTIME, [QuickTime wrapper], qtwrapper, [ AG_GST_CHECK_FEATURE(QUICKTIME, [QuickTime wrapper], qtwrapper, [
@ -1836,6 +1852,7 @@ sys/dshowdecwrapper/Makefile
sys/acmenc/Makefile sys/acmenc/Makefile
sys/acmmp3dec/Makefile sys/acmmp3dec/Makefile
sys/applemedia/Makefile sys/applemedia/Makefile
sys/avc/Makefile
sys/decklink/Makefile sys/decklink/Makefile
sys/directdraw/Makefile sys/directdraw/Makefile
sys/directsound/Makefile sys/directsound/Makefile

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@ -101,9 +101,15 @@ else
SHM_DIR= SHM_DIR=
endif endif
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) if USE_AVC
AVC_DIR=avc
else
AVC_DIR=
endif
DIST_SUBDIRS = acmenc acmmp3dec applemedia decklink directdraw directsound dvb linsys fbdev dshowdecwrapper dshowsrcwrapper dshowvideosink \ 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)
DIST_SUBDIRS = acmenc acmmp3dec applemedia avc decklink directdraw directsound dvb linsys fbdev dshowdecwrapper dshowsrcwrapper dshowvideosink \
osxvideo qtwrapper shm vcd vdpau wasapi wininet winks winscreencap osxvideo qtwrapper shm vcd vdpau wasapi wininet winks winscreencap
include $(top_srcdir)/common/parallel-subdirs.mak include $(top_srcdir)/common/parallel-subdirs.mak

24
sys/avc/Makefile.am Normal file
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@ -0,0 +1,24 @@
plugin_LTLIBRARIES = libgstavc.la
libgstavc_la_SOURCES = gstavcplugin.cpp gstavcsrc.cpp
libgstavc_la_CPPFLAGS = \
$(GST_PLUGINS_BAD_CXXFLAGS) \
$(GST_PLUGINS_BASE_CXXFLAGS) \
$(GST_CXXFLAGS) \
-Wno-deprecated-declarations
libgstavc_la_LIBADD = \
$(GST_PLUGINS_BASE_LIBS) -lgstvideo-$(GST_MAJORMINOR) \
-lgstinterfaces-$(GST_MAJORMINOR) \
$(GST_BASE_LIBS) \
$(GST_LIBS)
libgstavc_la_LIBTOOLFLAGS = --tag=disable-static
libgstavc_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS) \
-Wl,-framework -Wl,AVCVideoServices \
-Wl,-framework -Wl,Cocoa \
-Wl,-framework -Wl,QuickTime
noinst_HEADERS = gstavcsrc.h

41
sys/avc/gstavcplugin.cpp Normal file
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@ -0,0 +1,41 @@
/* GStreamer
* Copyright (C) 2011 David Schleef <ds@entropywave.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., 51 Franklin Street, Suite 500,
* Boston, MA 02110-1335, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <gst/gst.h>
#include "gstavcsrc.h"
static gboolean
plugin_init (GstPlugin * plugin)
{
gst_element_register (plugin, "avcsrc", GST_RANK_NONE,
gst_avc_src_get_type ());
return TRUE;
}
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
GST_VERSION_MINOR,
"avcsrc",
"AVC Video Services plugin",
plugin_init, VERSION, "LGPL", PACKAGE_NAME, GST_PACKAGE_ORIGIN)

408
sys/avc/gstavcsrc.cpp Normal file
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@ -0,0 +1,408 @@
/* GStreamer
* Copyright (C) 2011 David Schleef <ds@entropywave.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., 51 Franklin Street, Suite 500,
* Boston, MA 02110-1335, USA.
*/
/**
* SECTION:element-gstavcsrc
*
* The avcsrc element captures video from an OS/X AVC Video Services
* devices, typically a FireWire camera.
*
* <refsect2>
* <title>Example launch line</title>
* |[
* gst-launch -v avcsrc ! decodebin ! osxvideosink
* ]|
*
* This pipeline captures from an AVC source, decodes the stream (either
* DV or HDV), and displays the video.
* </refsect2>
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
//#define ENABLE
#ifdef ENABLE
#include <AVCVideoServices/AVCVideoServices.h>
using namespace AVS;
#endif
#include <gst/gst.h>
#include <gst/base/gstbasesrc.h>
#include "gstavcsrc.h"
GST_DEBUG_CATEGORY_STATIC (gst_avc_src_debug_category);
#define GST_CAT_DEFAULT gst_avc_src_debug_category
/* prototypes */
static void gst_avc_src_set_property (GObject * object,
guint property_id, const GValue * value, GParamSpec * pspec);
static void gst_avc_src_get_property (GObject * object,
guint property_id, GValue * value, GParamSpec * pspec);
static void gst_avc_src_dispose (GObject * object);
static void gst_avc_src_finalize (GObject * object);
static GstCaps *gst_avc_src_get_caps (GstBaseSrc * src);
static gboolean gst_avc_src_start (GstBaseSrc * src);
static gboolean gst_avc_src_stop (GstBaseSrc * src);
static gboolean gst_avc_src_is_seekable (GstBaseSrc * src);
static gboolean gst_avc_src_unlock (GstBaseSrc * src);
static gboolean gst_avc_src_event (GstBaseSrc * src, GstEvent * event);
static GstFlowReturn
gst_avc_src_create (GstBaseSrc * src, guint64 offset, guint size,
GstBuffer ** buf);
static gboolean gst_avc_src_query (GstBaseSrc * src, GstQuery * query);
static gboolean gst_avc_src_unlock_stop (GstBaseSrc * src);
enum
{
PROP_0
};
/* pad templates */
static GstStaticPadTemplate gst_avc_src_src_template =
GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS
("video/dv,systemstream=true;video/mpegts,systemstream=true,packetsize=188")
);
/* class initialization */
#define DEBUG_INIT(bla) \
GST_DEBUG_CATEGORY_INIT (gst_avc_src_debug_category, "avcsrc", 0, \
"debug category for avcsrc element");
GST_BOILERPLATE_FULL (GstAVCSrc, gst_avc_src, GstBaseSrc,
GST_TYPE_BASE_SRC, DEBUG_INIT);
static void
gst_avc_src_base_init (gpointer g_class)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_avc_src_src_template));
gst_element_class_set_details_simple (element_class,
"AVC Video Services Source", "Video/Source",
"Captures DV or HDV video from Firewire port",
"David Schleef <ds@entropywave.com>");
}
static void
gst_avc_src_class_init (GstAVCSrcClass * klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
GstBaseSrcClass *base_src_class = GST_BASE_SRC_CLASS (klass);
gobject_class->set_property = gst_avc_src_set_property;
gobject_class->get_property = gst_avc_src_get_property;
gobject_class->dispose = gst_avc_src_dispose;
gobject_class->finalize = gst_avc_src_finalize;
base_src_class->get_caps = GST_DEBUG_FUNCPTR (gst_avc_src_get_caps);
base_src_class->start = GST_DEBUG_FUNCPTR (gst_avc_src_start);
base_src_class->stop = GST_DEBUG_FUNCPTR (gst_avc_src_stop);
base_src_class->is_seekable = GST_DEBUG_FUNCPTR (gst_avc_src_is_seekable);
base_src_class->unlock = GST_DEBUG_FUNCPTR (gst_avc_src_unlock);
base_src_class->event = GST_DEBUG_FUNCPTR (gst_avc_src_event);
base_src_class->create = GST_DEBUG_FUNCPTR (gst_avc_src_create);
if (0)
base_src_class->query = GST_DEBUG_FUNCPTR (gst_avc_src_query);
if (0)
base_src_class->unlock_stop = GST_DEBUG_FUNCPTR (gst_avc_src_unlock_stop);
}
static void
gst_avc_src_init (GstAVCSrc * avcsrc, GstAVCSrcClass * avcsrc_class)
{
avcsrc->srcpad = gst_pad_new_from_static_template (&gst_avc_src_src_template,
"src");
avcsrc->queue = gst_atomic_queue_new (16);
avcsrc->cond = g_cond_new ();
avcsrc->queue_lock = g_mutex_new ();
}
void
gst_avc_src_set_property (GObject * object, guint property_id,
const GValue * value, GParamSpec * pspec)
{
/* GstAVCSrc *avcsrc = GST_AVC_SRC (object); */
switch (property_id) {
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
void
gst_avc_src_get_property (GObject * object, guint property_id,
GValue * value, GParamSpec * pspec)
{
/* GstAVCSrc *avcsrc = GST_AVC_SRC (object); */
switch (property_id) {
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
void
gst_avc_src_dispose (GObject * object)
{
/* GstAVCSrc *avcsrc = GST_AVC_SRC (object); */
/* clean up as possible. may be called multiple times */
G_OBJECT_CLASS (parent_class)->dispose (object);
}
void
gst_avc_src_finalize (GObject * object)
{
GstAVCSrc *avcsrc = GST_AVC_SRC (object);
/* clean up object here */
gst_atomic_queue_unref (avcsrc->queue);
g_cond_free (avcsrc->cond);
g_mutex_free (avcsrc->queue_lock);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static GstCaps *
gst_avc_src_get_caps (GstBaseSrc * src)
{
/* GstAVCSrc *avcsrc = GST_AVC_SRC (src); */
return gst_caps_from_string ("video/mpegts,systemstream=true,packetsize=188");
}
#define kNumCyclesInMPEGReceiverSegment 20
#define kNumSegmentsInMPEGReceiverProgram 100
#ifdef ENABLE
void
MPEGReceiverMessageReceivedProc (UInt32 msg, UInt32 param1, UInt32 param2,
void *pRefCon)
{
}
IOReturn
MyStructuredDataPushProc (UInt32 CycleDataCount,
MPEGReceiveCycleData * pCycleData, void *pRefCon)
{
GstAVCSrc *avcsrc = GST_AVC_SRC (pRefCon);
if (avcsrc) {
for (int cycle = 0; cycle < CycleDataCount; cycle++) {
for (int sourcePacket = 0; sourcePacket < pCycleData[cycle].tsPacketCount;
sourcePacket++) {
GstBuffer *buffer;
buffer = gst_buffer_new_and_alloc (kMPEG2TSPacketSize);
memcpy (GST_BUFFER_DATA (buffer),
pCycleData[cycle].pBuf[sourcePacket], kMPEG2TSPacketSize);
gst_atomic_queue_push (avcsrc->queue, buffer);
}
}
g_mutex_lock (avcsrc->queue_lock);
g_cond_signal (avcsrc->cond);
g_mutex_unlock (avcsrc->queue_lock);
}
return 0;
}
#endif
static gboolean
gst_avc_src_start (GstBaseSrc * src)
{
GstAVCSrc *avcsrc = GST_AVC_SRC (src);
#ifdef ENABLE
AVCDeviceController *pAVCDeviceController = nil;
AVCDevice *pAVCDevice;
AVCDeviceStream *pAVCDeviceStream;
int deviceIndex = 0;
#endif
GST_DEBUG_OBJECT (avcsrc, "start");
avcsrc->unlock = FALSE;
#ifdef ENABLE
// Create a AVCDeviceController
CreateAVCDeviceController (&pAVCDeviceController);
if (!pAVCDeviceController) {
// TODO: This should never happen (unless we've run out of memory), but we should handle it cleanly anyway
GST_ERROR ("Failed to create AVC device controller.");
return FALSE;
}
GST_INFO ("Created AVC device controller.");
if (deviceIndex >= CFArrayGetCount (pAVCDeviceController->avcDeviceArray)) {
GST_ERROR ("Failed to find AVC device %d", deviceIndex);
return FALSE;
}
pAVCDevice = (AVCDevice *)
CFArrayGetValueAtIndex (pAVCDeviceController->avcDeviceArray,
deviceIndex);
if (!pAVCDevice) {
GST_ERROR ("Failed to find AVC device %d", deviceIndex);
return FALSE;
}
GST_INFO ("Found device with GUID 0x%016llX\n", pAVCDevice->guid);
pAVCDevice->openDevice (nil, nil);
pAVCDeviceStream = pAVCDevice->CreateMPEGReceiverForDevicePlug (0, nil, // We'll install the structured callback later (MyStructuredDataPushProc),
nil,
MPEGReceiverMessageReceivedProc,
nil,
nil, kNumCyclesInMPEGReceiverSegment, kNumSegmentsInMPEGReceiverProgram);
pAVCDeviceStream->pMPEGReceiver->registerStructuredDataPushCallback
(MyStructuredDataPushProc,
kNumCyclesInMPEGReceiverSegment, (void *) avcsrc);
pAVCDevice->StartAVCDeviceStream (pAVCDeviceStream);
#endif
return TRUE;
}
static gboolean
gst_avc_src_stop (GstBaseSrc * src)
{
GstAVCSrc *avcsrc = GST_AVC_SRC (src);
GstBuffer *buffer;
GST_DEBUG_OBJECT (avcsrc, "stop");
/* FIXME do whatever is needed to stop capture */
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
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@ -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