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Original commit message from CVS: * gst/pcapparse/gstpcapparse.c: * sys/winscreencap/gstdx9screencapsrc.c: * sys/winscreencap/gstgdiscreencapsrc.c: Added documentation blobs. Thanks to Stefan for noticing!
609 lines
19 KiB
C
609 lines
19 KiB
C
/* GStreamer
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* Copyright (C) 2007 Haakon Sporsheim <hakon.sporsheim@tandberg.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., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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/**
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* SECTION:element-dx9screencapsrc
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*
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* This element uses DirectX to capture the desktop or a portion of it.
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* The default is capturing the whole desktop, but #GstDX9ScreenCapSrc:x,
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* #GstDX9ScreenCapSrc:y, #GstDX9ScreenCapSrc:width and
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* #GstDX9ScreenCapSrc:height can be used to select a particular region.
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* Use #GstDX9ScreenCapSrc:monitor for changing which monitor to capture
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* from.
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*
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* <refsect2>
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* <title>Example pipelines</title>
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* |[
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* gst-launch dx9screencapsrc ! ffmpegcolorspace ! dshowvideosink
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* ]| Capture the desktop and display it.
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* |[
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* gst-launch dx9screencapsrc x=100 y=100 width=320 height=240 !
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* ffmpegcolorspace ! dshowvideosink
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* ]| Capture a portion of the desktop and display it.
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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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#include "gstdx9screencapsrc.h"
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#include <gst/video/video.h>
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GST_DEBUG_CATEGORY_STATIC (dx9screencapsrc_debug);
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static const GstElementDetails gst_dx9screencapsrc_details = {
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"DirectX 9 screen capture source",
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"Source/Video",
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"Captures screen",
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"Haakon Sporsheim <hakon.sporsheim@tandberg.com>"
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};
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#define GST_VIDEO_ALPHA_MASK_15_INT 0x8000
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static GstStaticPadTemplate src_template = 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 ("video/x-raw-rgb,"
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"width = " GST_VIDEO_SIZE_RANGE ","
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"height = " GST_VIDEO_SIZE_RANGE "," "framerate = " GST_VIDEO_FPS_RANGE)
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);
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GST_BOILERPLATE (GstDX9ScreenCapSrc, gst_dx9screencapsrc,
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GstPushSrc, GST_TYPE_PUSH_SRC);
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enum
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{
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PROP_0,
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PROP_MONITOR,
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PROP_X_POS,
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PROP_Y_POS,
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PROP_WIDTH,
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PROP_HEIGHT
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};
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static IDirect3D9 *g_d3d9 = NULL;
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/* Fwd. decl. */
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static GstCaps *gst_dx9screencapsrc_create_caps_from_format (D3DFORMAT fmt,
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gint width, gint height);
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static void gst_dx9screencapsrc_dispose (GObject * object);
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static void gst_dx9screencapsrc_set_property (GObject * object,
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guint prop_id, const GValue * value, GParamSpec * pspec);
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static void gst_dx9screencapsrc_get_property (GObject * object,
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guint prop_id, GValue * value, GParamSpec * pspec);
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static void gst_dx9screencapsrc_fixate (GstPad * pad, GstCaps * caps);
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static gboolean gst_dx9screencapsrc_set_caps (GstBaseSrc * bsrc,
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GstCaps * caps);
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static GstCaps *gst_dx9screencapsrc_get_caps (GstBaseSrc * bsrc);
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static gboolean gst_dx9screencapsrc_start (GstBaseSrc * bsrc);
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static gboolean gst_dx9screencapsrc_stop (GstBaseSrc * bsrc);
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static void gst_dx9screencapsrc_get_times (GstBaseSrc * basesrc,
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GstBuffer * buffer, GstClockTime * start, GstClockTime * end);
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static GstFlowReturn gst_dx9screencapsrc_create (GstPushSrc * src,
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GstBuffer ** buf);
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/* Implementation. */
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static void
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gst_dx9screencapsrc_base_init (gpointer klass)
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{
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GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&src_template));
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gst_element_class_set_details (element_class, &gst_dx9screencapsrc_details);
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}
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static void
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gst_dx9screencapsrc_class_init (GstDX9ScreenCapSrcClass * klass)
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{
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GObjectClass *go_class;
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GstBaseSrcClass *bs_class;
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GstPushSrcClass *ps_class;
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go_class = (GObjectClass *) klass;
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bs_class = (GstBaseSrcClass *) klass;
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ps_class = (GstPushSrcClass *) klass;
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go_class->dispose = GST_DEBUG_FUNCPTR (gst_dx9screencapsrc_dispose);
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go_class->set_property = GST_DEBUG_FUNCPTR (gst_dx9screencapsrc_set_property);
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go_class->get_property = GST_DEBUG_FUNCPTR (gst_dx9screencapsrc_get_property);
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bs_class->get_times = GST_DEBUG_FUNCPTR (gst_dx9screencapsrc_get_times);
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bs_class->get_caps = GST_DEBUG_FUNCPTR (gst_dx9screencapsrc_get_caps);
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bs_class->set_caps = GST_DEBUG_FUNCPTR (gst_dx9screencapsrc_set_caps);
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bs_class->start = GST_DEBUG_FUNCPTR (gst_dx9screencapsrc_start);
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bs_class->stop = GST_DEBUG_FUNCPTR (gst_dx9screencapsrc_stop);
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ps_class->create = GST_DEBUG_FUNCPTR (gst_dx9screencapsrc_create);
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g_object_class_install_property (go_class, PROP_MONITOR,
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g_param_spec_int ("monitor", "Monitor",
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"Which monitor to use (0 = 1st monitor and default)",
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0, G_MAXINT, 0, G_PARAM_READWRITE));
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g_object_class_install_property (go_class, PROP_X_POS,
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g_param_spec_int ("x", "X",
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"Horizontal coordinate of top left corner for the screen capture "
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"area", 0, G_MAXINT, 0, G_PARAM_READWRITE));
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g_object_class_install_property (go_class, PROP_Y_POS,
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g_param_spec_int ("y", "Y",
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"Vertical coordinate of top left corner for the screen capture "
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"area", 0, G_MAXINT, 0, G_PARAM_READWRITE));
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g_object_class_install_property (go_class, PROP_WIDTH,
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g_param_spec_int ("width", "Width",
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"Width of screen capture area (0 = maximum)",
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0, G_MAXINT, 0, G_PARAM_READWRITE));
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g_object_class_install_property (go_class, PROP_HEIGHT,
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g_param_spec_int ("height", "Height",
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"Height of screen capture area (0 = maximum)",
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0, G_MAXINT, 0, G_PARAM_READWRITE));
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GST_DEBUG_CATEGORY_INIT (dx9screencapsrc_debug, "dx9screencapsrc", 0,
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"DirectX 9 screen capture source");
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}
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static void
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gst_dx9screencapsrc_init (GstDX9ScreenCapSrc * src,
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GstDX9ScreenCapSrcClass * klass)
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{
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/* Set src element inital values... */
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GstPad *src_pad = GST_BASE_SRC_PAD (src);
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gst_pad_set_fixatecaps_function (src_pad, gst_dx9screencapsrc_fixate);
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src->frames = 0;
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src->surface = NULL;
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src->d3d9_device = NULL;
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src->capture_x = 0;
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src->capture_y = 0;
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src->capture_w = 0;
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src->capture_h = 0;
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src->monitor = 0;
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gst_base_src_set_format (GST_BASE_SRC (src), GST_FORMAT_TIME);
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gst_base_src_set_live (GST_BASE_SRC (src), TRUE);
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if (!g_d3d9)
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g_d3d9 = Direct3DCreate9 (D3D_SDK_VERSION);
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else
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IDirect3D9_AddRef (g_d3d9);
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}
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static void
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gst_dx9screencapsrc_dispose (GObject * object)
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{
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GstDX9ScreenCapSrc *src = GST_DX9SCREENCAPSRC (object);
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if (src->surface) {
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GST_ERROR_OBJECT (object,
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"DX9 surface was not freed in _stop, freeing in _dispose!");
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IDirect3DSurface9_Release (src->surface);
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src->surface = NULL;
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}
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if (src->d3d9_device) {
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IDirect3DDevice9_Release (src->d3d9_device);
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src->d3d9_device = NULL;
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}
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if (!IDirect3D9_Release (g_d3d9))
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g_d3d9 = NULL;
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}
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static void
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gst_dx9screencapsrc_set_property (GObject * object,
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guint prop_id, const GValue * value, GParamSpec * pspec)
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{
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GstDX9ScreenCapSrc *src = GST_DX9SCREENCAPSRC (object);
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switch (prop_id) {
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case PROP_MONITOR:
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if (g_value_get_int (value) >= GetSystemMetrics (SM_CMONITORS)) {
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G_OBJECT_WARN_INVALID_PSPEC (object, "Monitor", prop_id, pspec);
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break;
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}
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src->monitor = g_value_get_int (value);
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break;
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case PROP_X_POS:
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src->capture_x = g_value_get_int (value);
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break;
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case PROP_Y_POS:
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src->capture_y = g_value_get_int (value);
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break;
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case PROP_WIDTH:
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src->capture_w = g_value_get_int (value);
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break;
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case PROP_HEIGHT:
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src->capture_h = g_value_get_int (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_dx9screencapsrc_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec)
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{
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GstDX9ScreenCapSrc *src = GST_DX9SCREENCAPSRC (object);
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switch (prop_id) {
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case PROP_MONITOR:
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g_value_set_int (value, src->monitor);
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break;
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case PROP_X_POS:
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g_value_set_int (value, src->capture_x);
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break;
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case PROP_Y_POS:
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g_value_set_int (value, src->capture_y);
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break;
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case PROP_WIDTH:
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g_value_set_int (value, src->capture_w);
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break;
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case PROP_HEIGHT:
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g_value_set_int (value, src->capture_h);
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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_dx9screencapsrc_fixate (GstPad * pad, GstCaps * caps)
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{
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GstStructure *structure;
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structure = gst_caps_get_structure (caps, 0);
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gst_structure_fixate_field_nearest_int (structure, "width", 640);
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gst_structure_fixate_field_nearest_int (structure, "height", 480);
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gst_structure_fixate_field_nearest_fraction (structure, "framerate", 30, 1);
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}
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static gboolean
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gst_dx9screencapsrc_set_caps (GstBaseSrc * bsrc, GstCaps * caps)
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{
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GstDX9ScreenCapSrc *src = GST_DX9SCREENCAPSRC (bsrc);
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GstStructure *structure;
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const GValue *framerate;
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structure = gst_caps_get_structure (caps, 0);
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src->src_rect = src->screen_rect;
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if (src->capture_w && src->capture_h) {
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src->src_rect.left += src->capture_x;
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src->src_rect.top += src->capture_y;
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src->src_rect.right = src->src_rect.left + src->capture_w;
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src->src_rect.bottom = src->src_rect.top + src->capture_h;
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}
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if (framerate = gst_structure_get_value (structure, "framerate")) {
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src->rate_numerator = gst_value_get_fraction_numerator (framerate);
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src->rate_denominator = gst_value_get_fraction_denominator (framerate);
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}
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GST_DEBUG_OBJECT (src, "size %dx%d, %d/%d fps",
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src->src_rect.right - src->src_rect.left,
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src->src_rect.bottom - src->src_rect.top,
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src->rate_numerator, src->rate_denominator);
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return TRUE;
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}
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static GstCaps *
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gst_dx9screencapsrc_get_caps (GstBaseSrc * bsrc)
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{
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GstDX9ScreenCapSrc *src = GST_DX9SCREENCAPSRC (bsrc);
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RECT rect_dst;
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if (src->monitor >= IDirect3D9_GetAdapterCount (g_d3d9) ||
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FAILED (IDirect3D9_GetAdapterDisplayMode (g_d3d9, src->monitor,
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&src->disp_mode))) {
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return NULL;
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}
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SetRect (&rect_dst, 0, 0, src->disp_mode.Width, src->disp_mode.Height);
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src->screen_rect = rect_dst;
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if (src->capture_w && src->capture_h &&
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src->capture_x + src->capture_w < rect_dst.right - rect_dst.left &&
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src->capture_y + src->capture_h < rect_dst.bottom - rect_dst.top) {
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rect_dst.left = src->capture_x;
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rect_dst.top = src->capture_y;
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rect_dst.right = src->capture_x + src->capture_w;
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rect_dst.bottom = src->capture_y + src->capture_h;
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} else {
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/* Default values */
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src->capture_x = src->capture_y = 0;
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src->capture_w = src->capture_h = 0;
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}
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/* Note:
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* Expose as xRGB even though the Surface is allocated as ARGB!
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* This is due to IDirect3DDevice9_GetFrontBufferData which only takes
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* ARGB surface, but the A channel is in reality never used.
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* I should add that I had problems specifying ARGB. It might be a bug
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* in ffmpegcolorspace which I used for testing.
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* Another interesting thing is that directdrawsink did not support ARGB,
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* but only xRGB. (On my system, using 32b color depth) And according to
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* the DirectX documentation ARGB is NOT a valid display buffer format,
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* but xRGB is.
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*/
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return gst_dx9screencapsrc_create_caps_from_format (D3DFMT_X8R8G8B8,
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rect_dst.right - rect_dst.left, rect_dst.bottom - rect_dst.top);
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}
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static GstCaps *
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gst_dx9screencapsrc_create_caps_from_format (D3DFORMAT fmt,
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gint width, gint height)
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{
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gint bpp, depth, endianness;
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gint red, green, blue, alpha;
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switch (fmt) {
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case D3DFMT_A8R8G8B8:
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bpp = depth = 32;
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endianness = G_BIG_ENDIAN;
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alpha = GST_VIDEO_BYTE4_MASK_32_INT;
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red = GST_VIDEO_BYTE3_MASK_32_INT;
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green = GST_VIDEO_BYTE2_MASK_32_INT;
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blue = GST_VIDEO_BYTE1_MASK_32_INT;
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break;
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case D3DFMT_X8R8G8B8:
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bpp = 32;
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depth = 24;
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endianness = G_BIG_ENDIAN;
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alpha = 0;
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red = GST_VIDEO_BYTE3_MASK_32_INT;
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green = GST_VIDEO_BYTE2_MASK_32_INT;
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blue = GST_VIDEO_BYTE1_MASK_32_INT;
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break;
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case D3DFMT_R8G8B8:
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endianness = G_BIG_ENDIAN;
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bpp = depth = 24;
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alpha = 0;
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red = GST_VIDEO_BYTE1_MASK_24_INT;
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green = GST_VIDEO_BYTE2_MASK_24_INT;
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blue = GST_VIDEO_BYTE3_MASK_24_INT;
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break;
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case D3DFMT_A1R5G5B5:
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bpp = 16;
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depth = 15;
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endianness = G_BYTE_ORDER;
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alpha = GST_VIDEO_ALPHA_MASK_15_INT;
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red = GST_VIDEO_RED_MASK_15_INT;
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green = GST_VIDEO_GREEN_MASK_15_INT;
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blue = GST_VIDEO_BLUE_MASK_15_INT;
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break;
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case D3DFMT_X1R5G5B5:
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bpp = 16;
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depth = 15;
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endianness = G_BYTE_ORDER;
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alpha = 0;
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red = GST_VIDEO_RED_MASK_15_INT;
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green = GST_VIDEO_GREEN_MASK_15_INT;
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blue = GST_VIDEO_BLUE_MASK_15_INT;
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break;
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case D3DFMT_R5G6B5:
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bpp = depth = 16;
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endianness = G_BYTE_ORDER;
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alpha = 0;
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red = GST_VIDEO_RED_MASK_16_INT;
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green = GST_VIDEO_GREEN_MASK_16_INT;
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blue = GST_VIDEO_BLUE_MASK_16_INT;
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break;
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default:
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return NULL;
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}
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return gst_caps_new_simple ("video/x-raw-rgb",
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"width", G_TYPE_INT, width,
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"height", G_TYPE_INT, height,
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"framerate", GST_TYPE_FRACTION_RANGE, 1, 1, G_MAXINT, 1,
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"bpp", G_TYPE_INT, bpp,
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"depth", G_TYPE_INT, depth,
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"endianness", G_TYPE_INT, endianness,
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"alpha_mask", G_TYPE_INT, alpha,
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"red_mask", G_TYPE_INT, red,
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"green_mask", G_TYPE_INT, green, "blue_mask", G_TYPE_INT, blue, NULL);
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}
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static gboolean
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gst_dx9screencapsrc_start (GstBaseSrc * bsrc)
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{
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GstDX9ScreenCapSrc *src = GST_DX9SCREENCAPSRC (bsrc);
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D3DPRESENT_PARAMETERS d3dpp;
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HRESULT res;
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ZeroMemory (&d3dpp, sizeof (D3DPRESENT_PARAMETERS));
|
|
d3dpp.Windowed = TRUE;
|
|
d3dpp.Flags = D3DPRESENTFLAG_LOCKABLE_BACKBUFFER;
|
|
d3dpp.BackBufferFormat = src->disp_mode.Format;
|
|
d3dpp.BackBufferHeight = src->disp_mode.Height;
|
|
d3dpp.BackBufferWidth = src->disp_mode.Width;
|
|
d3dpp.BackBufferCount = 1;
|
|
d3dpp.MultiSampleType = D3DMULTISAMPLE_NONE;
|
|
d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD;
|
|
d3dpp.hDeviceWindow = GetDesktopWindow ();
|
|
d3dpp.PresentationInterval = D3DPRESENT_INTERVAL_DEFAULT;
|
|
d3dpp.FullScreen_RefreshRateInHz = D3DPRESENT_RATE_DEFAULT;
|
|
|
|
src->frames = 0;
|
|
|
|
res = IDirect3D9_CreateDevice (g_d3d9, src->monitor, D3DDEVTYPE_HAL,
|
|
GetDesktopWindow (), D3DCREATE_SOFTWARE_VERTEXPROCESSING,
|
|
&d3dpp, &src->d3d9_device);
|
|
if (FAILED (res))
|
|
return FALSE;
|
|
|
|
return SUCCEEDED (IDirect3DDevice9_CreateOffscreenPlainSurface (src->
|
|
d3d9_device, src->disp_mode.Width, src->disp_mode.Height,
|
|
D3DFMT_A8R8G8B8, D3DPOOL_SYSTEMMEM, &src->surface, NULL));
|
|
}
|
|
|
|
static gboolean
|
|
gst_dx9screencapsrc_stop (GstBaseSrc * bsrc)
|
|
{
|
|
GstDX9ScreenCapSrc *src = GST_DX9SCREENCAPSRC (bsrc);
|
|
|
|
if (src->surface) {
|
|
IDirect3DSurface9_Release (src->surface);
|
|
src->surface = NULL;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static void
|
|
gst_dx9screencapsrc_get_times (GstBaseSrc * basesrc,
|
|
GstBuffer * buffer, GstClockTime * start, GstClockTime * end)
|
|
{
|
|
GstDX9ScreenCapSrc *src = GST_DX9SCREENCAPSRC (basesrc);
|
|
GstClockTime timestamp;
|
|
|
|
timestamp = GST_BUFFER_TIMESTAMP (buffer);
|
|
|
|
if (GST_CLOCK_TIME_IS_VALID (timestamp)) {
|
|
GstClockTime duration = GST_BUFFER_DURATION (buffer);
|
|
|
|
if (GST_CLOCK_TIME_IS_VALID (duration))
|
|
*end = timestamp + duration;
|
|
*start = timestamp;
|
|
}
|
|
}
|
|
|
|
static GstFlowReturn
|
|
gst_dx9screencapsrc_create (GstPushSrc * push_src, GstBuffer ** buf)
|
|
{
|
|
GstDX9ScreenCapSrc *src = GST_DX9SCREENCAPSRC (push_src);
|
|
GstBuffer *new_buf;
|
|
GstFlowReturn res;
|
|
gint new_buf_size, i;
|
|
gint width, height, stride;
|
|
GstClock *clock;
|
|
GstClockTime time, buf_time;
|
|
D3DLOCKED_RECT locked_rect;
|
|
LPBYTE p_dst, p_src;
|
|
HRESULT hres;
|
|
|
|
if (G_UNLIKELY (!src->d3d9_device)) {
|
|
GST_ELEMENT_ERROR (src, CORE, NEGOTIATION, (NULL),
|
|
("format wasn't negotiated before create function"));
|
|
return GST_FLOW_NOT_NEGOTIATED;
|
|
}
|
|
|
|
clock = gst_element_get_clock (GST_ELEMENT (src));
|
|
if (clock != NULL) {
|
|
/* Calculate sync time. */
|
|
GstClockTime base_time;
|
|
GstClockTime frame_time =
|
|
gst_util_uint64_scale_int (src->frames * GST_SECOND,
|
|
src->rate_denominator, src->rate_numerator);
|
|
|
|
time = gst_clock_get_time (clock);
|
|
base_time = gst_element_get_base_time (GST_ELEMENT (src));
|
|
buf_time = MAX (time - base_time, frame_time);
|
|
} else {
|
|
buf_time = GST_CLOCK_TIME_NONE;
|
|
}
|
|
|
|
height = (src->src_rect.bottom - src->src_rect.top);
|
|
width = (src->src_rect.right - src->src_rect.left);
|
|
new_buf_size = width * 4 * height;
|
|
if (G_UNLIKELY (src->rate_numerator == 0 && src->frames == 1)) {
|
|
GST_DEBUG_OBJECT (src, "eos: 0 framerate, frame %d", (gint) src->frames);
|
|
return GST_FLOW_UNEXPECTED;
|
|
}
|
|
|
|
GST_LOG_OBJECT (src,
|
|
"creating buffer of %lu bytes with %dx%d image for frame %d",
|
|
new_buf_size, width, height, (gint) src->frames);
|
|
|
|
res = gst_pad_alloc_buffer_and_set_caps (GST_BASE_SRC_PAD (src),
|
|
GST_BUFFER_OFFSET_NONE, new_buf_size,
|
|
GST_PAD_CAPS (GST_BASE_SRC_PAD (push_src)), &new_buf);
|
|
if (res != GST_FLOW_OK) {
|
|
GST_DEBUG_OBJECT (src, "could not allocate buffer, reason %s",
|
|
gst_flow_get_name (res));
|
|
return res;
|
|
}
|
|
|
|
/* Do screen capture and put it into buffer...
|
|
* Aquire front buffer, and lock it
|
|
*/
|
|
hres =
|
|
IDirect3DDevice9_GetFrontBufferData (src->d3d9_device, 0, src->surface);
|
|
if (FAILED (hres)) {
|
|
GST_DEBUG_OBJECT (src, "DirectX::GetBackBuffer failed.");
|
|
return GST_FLOW_UNEXPECTED;
|
|
}
|
|
|
|
hres =
|
|
IDirect3DSurface9_LockRect (src->surface, &locked_rect, &(src->src_rect),
|
|
D3DLOCK_NO_DIRTY_UPDATE | D3DLOCK_NOSYSLOCK | D3DLOCK_READONLY);
|
|
if (FAILED (hres)) {
|
|
GST_DEBUG_OBJECT (src, "DirectX::LockRect failed.");
|
|
return GST_FLOW_UNEXPECTED;
|
|
}
|
|
|
|
p_dst = (LPBYTE) GST_BUFFER_DATA (new_buf);
|
|
p_src = (LPBYTE) locked_rect.pBits;
|
|
stride = width * 4;
|
|
for (i = 0; i < height; ++i) {
|
|
memcpy (p_dst, p_src, stride);
|
|
p_dst += stride;
|
|
p_src += locked_rect.Pitch;
|
|
}
|
|
|
|
/* Unlock copy of front buffer */
|
|
IDirect3DSurface9_UnlockRect (src->surface);
|
|
|
|
GST_BUFFER_TIMESTAMP (new_buf) = buf_time;
|
|
if (src->rate_numerator) {
|
|
GST_BUFFER_DURATION (new_buf) =
|
|
gst_util_uint64_scale_int (GST_SECOND,
|
|
src->rate_denominator, src->rate_numerator);
|
|
|
|
if (clock) {
|
|
GST_BUFFER_DURATION (new_buf) = MAX (GST_BUFFER_DURATION (new_buf),
|
|
gst_clock_get_time (clock) - time);
|
|
}
|
|
} else {
|
|
GST_BUFFER_DURATION (new_buf) = GST_CLOCK_TIME_NONE;
|
|
}
|
|
|
|
GST_BUFFER_OFFSET (new_buf) = src->frames;
|
|
src->frames++;
|
|
GST_BUFFER_OFFSET_END (new_buf) = src->frames;
|
|
|
|
if (clock != NULL)
|
|
gst_object_unref (clock);
|
|
|
|
*buf = new_buf;
|
|
return GST_FLOW_OK;
|
|
}
|