gstreamer/subprojects/gst-plugins-base/gst/videotestsrc/gstvideotestsrc.c

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/* GStreamer
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
* Copyright (C) <2002> David A. Schleef <ds@schleef.org>
*
* 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 St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
/**
* SECTION:element-videotestsrc
* @title: videotestsrc
*
* The videotestsrc element is used to produce test video data in a wide variety
* of formats. The video test data produced can be controlled with the "pattern"
* property.
Cleanup Plugin docs. Link to signals and properties. Fix sub-section titles. Drop mentining that all our example pipe... Original commit message from CVS: * docs/plugins/gst-plugins-base-plugins-docs.sgml: * docs/plugins/gst-plugins-base-plugins-overrides.txt: * docs/plugins/gst-plugins-base-plugins-sections.txt: * docs/plugins/gst-plugins-base-plugins.args: * docs/plugins/gst-plugins-base-plugins.hierarchy: * docs/plugins/gst-plugins-base-plugins.interfaces: * docs/plugins/gst-plugins-base-plugins.prerequisites: * docs/plugins/gst-plugins-base-plugins.signals: * docs/plugins/inspect/plugin-adder.xml: * docs/plugins/inspect/plugin-alsa.xml: * docs/plugins/inspect/plugin-audioconvert.xml: * docs/plugins/inspect/plugin-audiorate.xml: * docs/plugins/inspect/plugin-audioresample.xml: * docs/plugins/inspect/plugin-audiotestsrc.xml: * docs/plugins/inspect/plugin-cdparanoia.xml: * docs/plugins/inspect/plugin-decodebin.xml: * docs/plugins/inspect/plugin-ffmpegcolorspace.xml: * docs/plugins/inspect/plugin-gdp.xml: * docs/plugins/inspect/plugin-gnomevfs.xml: * docs/plugins/inspect/plugin-libvisual.xml: * docs/plugins/inspect/plugin-ogg.xml: * docs/plugins/inspect/plugin-pango.xml: * docs/plugins/inspect/plugin-playback.xml: * docs/plugins/inspect/plugin-queue2.xml: * docs/plugins/inspect/plugin-subparse.xml: * docs/plugins/inspect/plugin-tcp.xml: * docs/plugins/inspect/plugin-theora.xml: * docs/plugins/inspect/plugin-typefindfunctions.xml: * docs/plugins/inspect/plugin-uridecodebin.xml: * docs/plugins/inspect/plugin-video4linux.xml: * docs/plugins/inspect/plugin-videorate.xml: * docs/plugins/inspect/plugin-videoscale.xml: * docs/plugins/inspect/plugin-videotestsrc.xml: * docs/plugins/inspect/plugin-volume.xml: * docs/plugins/inspect/plugin-vorbis.xml: * docs/plugins/inspect/plugin-ximagesink.xml: * docs/plugins/inspect/plugin-xvimagesink.xml: * ext/alsa/gstalsamixer.c: * ext/alsa/gstalsasink.c: * ext/alsa/gstalsasrc.c: * ext/gio/gstgiosink.c: * ext/gio/gstgiosrc.c: * ext/gio/gstgiostreamsink.c: * ext/gio/gstgiostreamsrc.c: * ext/gnomevfs/gstgnomevfssink.c: * ext/gnomevfs/gstgnomevfssrc.c: * ext/ogg/gstoggdemux.c: * ext/ogg/gstoggmux.c: * ext/pango/gstclockoverlay.c: * ext/pango/gsttextoverlay.c: * ext/pango/gsttextrender.c: * ext/pango/gsttimeoverlay.c: * ext/theora/theoradec.c: * ext/theora/theoraenc.c: * ext/theora/theoraparse.c: * ext/vorbis/vorbisdec.c: * ext/vorbis/vorbisenc.c: * ext/vorbis/vorbisparse.c: * ext/vorbis/vorbistag.c: * gst/adder/gstadder.c: * gst/audioconvert/gstaudioconvert.c: * gst/audioresample/gstaudioresample.c: * gst/audiotestsrc/gstaudiotestsrc.c: * gst/ffmpegcolorspace/gstffmpegcolorspace.c: * gst/gdp/gstgdpdepay.c: * gst/gdp/gstgdppay.c: * gst/playback/gstdecodebin2.c: * gst/playback/gstplaybin.c: * gst/playback/gstplaybin2.c: * gst/playback/gstqueue2.c: * gst/playback/gsturidecodebin.c: * gst/tcp/gstmultifdsink.c: * gst/tcp/gsttcpserversink.c: * gst/videorate/gstvideorate.c: * gst/videoscale/gstvideoscale.c: * gst/videotestsrc/gstvideotestsrc.c: * gst/volume/gstvolume.c: * sys/ximage/ximagesink.c: * sys/xvimage/xvimagesink.c: Cleanup Plugin docs. Link to signals and properties. Fix sub-section titles. Drop mentining that all our example pipelines are "simple" pipelines.
2008-07-11 06:10:24 +00:00
*
* By default the videotestsrc will generate data indefinitely, but if the
* #GstBaseSrc:num-buffers property is non-zero it will instead generate a
* fixed number of video frames and then send EOS.
*
* ## Example launch line
Cleanup Plugin docs. Link to signals and properties. Fix sub-section titles. Drop mentining that all our example pipe... Original commit message from CVS: * docs/plugins/gst-plugins-base-plugins-docs.sgml: * docs/plugins/gst-plugins-base-plugins-overrides.txt: * docs/plugins/gst-plugins-base-plugins-sections.txt: * docs/plugins/gst-plugins-base-plugins.args: * docs/plugins/gst-plugins-base-plugins.hierarchy: * docs/plugins/gst-plugins-base-plugins.interfaces: * docs/plugins/gst-plugins-base-plugins.prerequisites: * docs/plugins/gst-plugins-base-plugins.signals: * docs/plugins/inspect/plugin-adder.xml: * docs/plugins/inspect/plugin-alsa.xml: * docs/plugins/inspect/plugin-audioconvert.xml: * docs/plugins/inspect/plugin-audiorate.xml: * docs/plugins/inspect/plugin-audioresample.xml: * docs/plugins/inspect/plugin-audiotestsrc.xml: * docs/plugins/inspect/plugin-cdparanoia.xml: * docs/plugins/inspect/plugin-decodebin.xml: * docs/plugins/inspect/plugin-ffmpegcolorspace.xml: * docs/plugins/inspect/plugin-gdp.xml: * docs/plugins/inspect/plugin-gnomevfs.xml: * docs/plugins/inspect/plugin-libvisual.xml: * docs/plugins/inspect/plugin-ogg.xml: * docs/plugins/inspect/plugin-pango.xml: * docs/plugins/inspect/plugin-playback.xml: * docs/plugins/inspect/plugin-queue2.xml: * docs/plugins/inspect/plugin-subparse.xml: * docs/plugins/inspect/plugin-tcp.xml: * docs/plugins/inspect/plugin-theora.xml: * docs/plugins/inspect/plugin-typefindfunctions.xml: * docs/plugins/inspect/plugin-uridecodebin.xml: * docs/plugins/inspect/plugin-video4linux.xml: * docs/plugins/inspect/plugin-videorate.xml: * docs/plugins/inspect/plugin-videoscale.xml: * docs/plugins/inspect/plugin-videotestsrc.xml: * docs/plugins/inspect/plugin-volume.xml: * docs/plugins/inspect/plugin-vorbis.xml: * docs/plugins/inspect/plugin-ximagesink.xml: * docs/plugins/inspect/plugin-xvimagesink.xml: * ext/alsa/gstalsamixer.c: * ext/alsa/gstalsasink.c: * ext/alsa/gstalsasrc.c: * ext/gio/gstgiosink.c: * ext/gio/gstgiosrc.c: * ext/gio/gstgiostreamsink.c: * ext/gio/gstgiostreamsrc.c: * ext/gnomevfs/gstgnomevfssink.c: * ext/gnomevfs/gstgnomevfssrc.c: * ext/ogg/gstoggdemux.c: * ext/ogg/gstoggmux.c: * ext/pango/gstclockoverlay.c: * ext/pango/gsttextoverlay.c: * ext/pango/gsttextrender.c: * ext/pango/gsttimeoverlay.c: * ext/theora/theoradec.c: * ext/theora/theoraenc.c: * ext/theora/theoraparse.c: * ext/vorbis/vorbisdec.c: * ext/vorbis/vorbisenc.c: * ext/vorbis/vorbisparse.c: * ext/vorbis/vorbistag.c: * gst/adder/gstadder.c: * gst/audioconvert/gstaudioconvert.c: * gst/audioresample/gstaudioresample.c: * gst/audiotestsrc/gstaudiotestsrc.c: * gst/ffmpegcolorspace/gstffmpegcolorspace.c: * gst/gdp/gstgdpdepay.c: * gst/gdp/gstgdppay.c: * gst/playback/gstdecodebin2.c: * gst/playback/gstplaybin.c: * gst/playback/gstplaybin2.c: * gst/playback/gstqueue2.c: * gst/playback/gsturidecodebin.c: * gst/tcp/gstmultifdsink.c: * gst/tcp/gsttcpserversink.c: * gst/videorate/gstvideorate.c: * gst/videoscale/gstvideoscale.c: * gst/videotestsrc/gstvideotestsrc.c: * gst/volume/gstvolume.c: * sys/ximage/ximagesink.c: * sys/xvimage/xvimagesink.c: Cleanup Plugin docs. Link to signals and properties. Fix sub-section titles. Drop mentining that all our example pipelines are "simple" pipelines.
2008-07-11 06:10:24 +00:00
* |[
* gst-launch-1.0 -v videotestsrc pattern=snow ! video/x-raw,width=1280,height=720 ! autovideosink
* ]|
* Shows random noise in a video window.
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "gstvideotestsrc.h"
#include "gstvideotestsrcorc.h"
#include "videotestsrc.h"
#include <string.h>
#include <stdlib.h>
GST_DEBUG_CATEGORY_STATIC (video_test_src_debug);
#define GST_CAT_DEFAULT video_test_src_debug
#define DEFAULT_PATTERN GST_VIDEO_TEST_SRC_SMPTE
#define DEFAULT_ANIMATION_MODE GST_VIDEO_TEST_SRC_FRAMES
#define DEFAULT_MOTION_TYPE GST_VIDEO_TEST_SRC_WAVY
#define DEFAULT_FLIP FALSE
#define DEFAULT_TIMESTAMP_OFFSET 0
#define DEFAULT_IS_LIVE FALSE
#define DEFAULT_COLOR_SPEC GST_VIDEO_TEST_SRC_BT601
#define DEFAULT_FOREGROUND_COLOR 0xffffffff
#define DEFAULT_BACKGROUND_COLOR 0xff000000
#define DEFAULT_HORIZONTAL_SPEED 0
enum
{
PROP_0,
PROP_PATTERN,
PROP_TIMESTAMP_OFFSET,
PROP_IS_LIVE,
PROP_K0,
PROP_KX,
PROP_KY,
PROP_KT,
PROP_KXT,
PROP_KYT,
PROP_KXY,
PROP_KX2,
PROP_KY2,
PROP_KT2,
PROP_XOFFSET,
PROP_YOFFSET,
PROP_FOREGROUND_COLOR,
PROP_BACKGROUND_COLOR,
PROP_HORIZONTAL_SPEED,
PROP_ANIMATION_MODE,
PROP_MOTION_TYPE,
PROP_FLIP,
PROP_LAST
};
#define BAYER_CAPS_GEN(mask, bits, endian) \
" "#mask#bits#endian
#define BAYER_CAPS_ORD(bits, endian) \
BAYER_CAPS_GEN(bggr, bits, endian)"," \
BAYER_CAPS_GEN(rggb, bits, endian)"," \
BAYER_CAPS_GEN(grbg, bits, endian)"," \
BAYER_CAPS_GEN(gbrg, bits, endian)
#define BAYER_CAPS_BITS(bits) \
BAYER_CAPS_ORD(bits, le)"," \
BAYER_CAPS_ORD(bits, be)
#define BAYER_CAPS_ALL \
BAYER_CAPS_ORD(,)"," \
BAYER_CAPS_BITS(10)"," \
BAYER_CAPS_BITS(12)"," \
BAYER_CAPS_BITS(14)"," \
BAYER_CAPS_BITS(16)
#define VTS_VIDEO_CAPS GST_VIDEO_CAPS_MAKE (GST_VIDEO_FORMATS_ALL) "," \
"multiview-mode = { mono, left, right }" \
";" \
"video/x-bayer, format=(string) {" BAYER_CAPS_ALL " },"\
"width = " GST_VIDEO_SIZE_RANGE ", " \
"height = " GST_VIDEO_SIZE_RANGE ", " \
"framerate = " GST_VIDEO_FPS_RANGE ", " \
"multiview-mode = { mono, left, right }"
static GstStaticPadTemplate gst_video_test_src_template =
GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (VTS_VIDEO_CAPS)
);
#define gst_video_test_src_parent_class parent_class
G_DEFINE_TYPE (GstVideoTestSrc, gst_video_test_src, GST_TYPE_PUSH_SRC);
GST_ELEMENT_REGISTER_DEFINE (videotestsrc, "videotestsrc",
GST_RANK_NONE, GST_TYPE_VIDEO_TEST_SRC);
static void gst_video_test_src_set_pattern (GstVideoTestSrc * videotestsrc,
int pattern_type);
static void gst_video_test_src_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_video_test_src_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static gboolean gst_video_test_src_setcaps (GstBaseSrc * bsrc, GstCaps * caps);
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static GstCaps *gst_video_test_src_src_fixate (GstBaseSrc * bsrc,
GstCaps * caps);
static gboolean gst_video_test_src_is_seekable (GstBaseSrc * psrc);
static gboolean gst_video_test_src_do_seek (GstBaseSrc * bsrc,
GstSegment * segment);
static gboolean gst_video_test_src_query (GstBaseSrc * bsrc, GstQuery * query);
static void gst_video_test_src_get_times (GstBaseSrc * basesrc,
GstBuffer * buffer, GstClockTime * start, GstClockTime * end);
static gboolean gst_video_test_src_decide_allocation (GstBaseSrc * bsrc,
GstQuery * query);
static GstFlowReturn gst_video_test_src_fill (GstPushSrc * psrc,
GstBuffer * buffer);
static gboolean gst_video_test_src_start (GstBaseSrc * basesrc);
static gboolean gst_video_test_src_stop (GstBaseSrc * basesrc);
#define GST_TYPE_VIDEO_TEST_SRC_PATTERN (gst_video_test_src_pattern_get_type ())
static GType
gst_video_test_src_pattern_get_type (void)
{
static GType video_test_src_pattern_type = 0;
static const GEnumValue pattern_types[] = {
{GST_VIDEO_TEST_SRC_SMPTE, "SMPTE 100% color bars", "smpte"},
{GST_VIDEO_TEST_SRC_SNOW, "Random (television snow)", "snow"},
{GST_VIDEO_TEST_SRC_BLACK, "100% Black", "black"},
{GST_VIDEO_TEST_SRC_WHITE, "100% White", "white"},
{GST_VIDEO_TEST_SRC_RED, "Red", "red"},
{GST_VIDEO_TEST_SRC_GREEN, "Green", "green"},
{GST_VIDEO_TEST_SRC_BLUE, "Blue", "blue"},
{GST_VIDEO_TEST_SRC_CHECKERS1, "Checkers 1px", "checkers-1"},
{GST_VIDEO_TEST_SRC_CHECKERS2, "Checkers 2px", "checkers-2"},
{GST_VIDEO_TEST_SRC_CHECKERS4, "Checkers 4px", "checkers-4"},
{GST_VIDEO_TEST_SRC_CHECKERS8, "Checkers 8px", "checkers-8"},
{GST_VIDEO_TEST_SRC_CIRCULAR, "Circular", "circular"},
{GST_VIDEO_TEST_SRC_BLINK, "Blink", "blink"},
{GST_VIDEO_TEST_SRC_SMPTE75, "SMPTE 75% color bars", "smpte75"},
{GST_VIDEO_TEST_SRC_ZONE_PLATE, "Zone plate", "zone-plate"},
{GST_VIDEO_TEST_SRC_GAMUT, "Gamut checkers", "gamut"},
{GST_VIDEO_TEST_SRC_CHROMA_ZONE_PLATE, "Chroma zone plate",
"chroma-zone-plate"},
{GST_VIDEO_TEST_SRC_SOLID, "Solid color", "solid-color"},
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{GST_VIDEO_TEST_SRC_BALL, "Moving ball", "ball"},
{GST_VIDEO_TEST_SRC_SMPTE100, "SMPTE 100% color bars", "smpte100"},
{GST_VIDEO_TEST_SRC_BAR, "Bar", "bar"},
{GST_VIDEO_TEST_SRC_PINWHEEL, "Pinwheel", "pinwheel"},
{GST_VIDEO_TEST_SRC_SPOKES, "Spokes", "spokes"},
{GST_VIDEO_TEST_SRC_GRADIENT, "Gradient", "gradient"},
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{GST_VIDEO_TEST_SRC_COLORS, "Colors", "colors"},
{GST_VIDEO_TEST_SRC_SMPTE_RP_219, "SMPTE test pattern, RP 219 conformant",
"smpte-rp-219"},
{0, NULL, NULL}
};
if (!video_test_src_pattern_type) {
video_test_src_pattern_type =
g_enum_register_static ("GstVideoTestSrcPattern", pattern_types);
}
return video_test_src_pattern_type;
}
/*"animation-mode", which can
* take the following values: frames (current behaviour that should stay the
* default), running time, wall clock time.
*/
#define GST_TYPE_VIDEO_TEST_SRC_ANIMATION_MODE (gst_video_test_src_animation_mode_get_type ())
static GType
gst_video_test_src_animation_mode_get_type (void)
{
static GType video_test_src_animation_mode = 0;
static const GEnumValue animation_modes[] = {
{GST_VIDEO_TEST_SRC_FRAMES, "frame count", "frames"},
{GST_VIDEO_TEST_SRC_WALL_TIME, "wall clock time", "wall-time"},
{GST_VIDEO_TEST_SRC_RUNNING_TIME, "running time", "running-time"},
{0, NULL, NULL}
};
if (!video_test_src_animation_mode) {
video_test_src_animation_mode =
g_enum_register_static ("GstVideoTestSrcAnimationMode",
animation_modes);
}
return video_test_src_animation_mode;
}
#define GST_TYPE_VIDEO_TEST_SRC_MOTION_TYPE (gst_video_test_src_motion_type_get_type ())
static GType
gst_video_test_src_motion_type_get_type (void)
{
static GType video_test_src_motion_type = 0;
static const GEnumValue motion_types[] = {
{GST_VIDEO_TEST_SRC_WAVY, "Ball waves back and forth, up and down",
"wavy"},
{GST_VIDEO_TEST_SRC_SWEEP, "1 revolution per second", "sweep"},
{GST_VIDEO_TEST_SRC_HSWEEP, "1/2 revolution per second, then reset to top",
"hsweep"},
{0, NULL, NULL}
};
if (!video_test_src_motion_type) {
video_test_src_motion_type =
g_enum_register_static ("GstVideoTestSrcMotionType", motion_types);
}
return video_test_src_motion_type;
}
static void
gst_video_test_src_class_init (GstVideoTestSrcClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
GstBaseSrcClass *gstbasesrc_class;
GstPushSrcClass *gstpushsrc_class;
gobject_class = (GObjectClass *) klass;
gstelement_class = (GstElementClass *) klass;
gstbasesrc_class = (GstBaseSrcClass *) klass;
gstpushsrc_class = (GstPushSrcClass *) klass;
gobject_class->set_property = gst_video_test_src_set_property;
gobject_class->get_property = gst_video_test_src_get_property;
g_object_class_install_property (gobject_class, PROP_PATTERN,
g_param_spec_enum ("pattern", "Pattern",
"Type of test pattern to generate", GST_TYPE_VIDEO_TEST_SRC_PATTERN,
DEFAULT_PATTERN, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_ANIMATION_MODE,
g_param_spec_enum ("animation-mode", "Animation mode",
"For pattern=ball, which counter defines the position of the ball.",
GST_TYPE_VIDEO_TEST_SRC_ANIMATION_MODE, DEFAULT_ANIMATION_MODE,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_MOTION_TYPE,
g_param_spec_enum ("motion", "Motion",
"For pattern=ball, what motion the ball does",
GST_TYPE_VIDEO_TEST_SRC_MOTION_TYPE, DEFAULT_MOTION_TYPE,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_FLIP,
g_param_spec_boolean ("flip", "Flip",
"For pattern=ball, invert colors every second.",
DEFAULT_FLIP, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
Use G_PARAM_STATIC_STRINGS everywhere for GParamSpecs that use static strings (i.e. all). This gives us less memory u... Original commit message from CVS: * configure.ac: * ext/alsa/gstalsamixerelement.c: (gst_alsa_mixer_element_class_init): * ext/alsa/gstalsasink.c: (gst_alsasink_class_init): * ext/alsa/gstalsasrc.c: (gst_alsasrc_class_init): * ext/cdparanoia/gstcdparanoiasrc.c: (gst_cd_paranoia_src_class_init): * ext/gio/gstgiosink.c: (gst_gio_sink_class_init): * ext/gio/gstgiosrc.c: (gst_gio_src_class_init): * ext/gio/gstgiostreamsink.c: (gst_gio_stream_sink_class_init): * ext/gio/gstgiostreamsrc.c: (gst_gio_stream_src_class_init): * ext/gnomevfs/gstgnomevfssink.c: (gst_gnome_vfs_sink_class_init): * ext/gnomevfs/gstgnomevfssrc.c: (gst_gnome_vfs_src_class_init): * ext/ogg/gstoggmux.c: (gst_ogg_mux_class_init): * ext/pango/gsttextoverlay.c: (gst_text_overlay_class_init): * ext/pango/gsttextrender.c: (gst_text_render_class_init): * ext/theora/theoradec.c: (gst_theora_dec_class_init): * ext/theora/theoraenc.c: (gst_theora_enc_class_init): * ext/theora/theoraparse.c: (gst_theora_parse_class_init): * ext/vorbis/vorbisenc.c: (gst_vorbis_enc_class_init): * gst-libs/gst/audio/gstaudiofiltertemplate.c: (gst_audio_filter_template_class_init): * gst-libs/gst/audio/gstbaseaudiosink.c: (gst_base_audio_sink_class_init): * gst-libs/gst/audio/gstbaseaudiosrc.c: (gst_base_audio_src_class_init): * gst-libs/gst/cdda/gstcddabasesrc.c: (gst_cdda_base_src_class_init): * gst-libs/gst/interfaces/mixertrack.c: (gst_mixer_track_class_init): * gst-libs/gst/rtp/gstbasertpdepayload.c: (gst_base_rtp_depayload_class_init): * gst-libs/gst/rtp/gstbasertppayload.c: (gst_basertppayload_class_init): * gst/audioconvert/gstaudioconvert.c: (gst_audio_convert_class_init): * gst/audiorate/gstaudiorate.c: (gst_audio_rate_class_init): * gst/audioresample/gstaudioresample.c: (gst_audioresample_class_init): * gst/audiotestsrc/gstaudiotestsrc.c: (gst_audio_test_src_class_init): * gst/gdp/gstgdppay.c: (gst_gdp_pay_class_init): * gst/playback/gstdecodebin2.c: (gst_decode_bin_class_init): * gst/playback/gstplaybasebin.c: (gst_play_base_bin_class_init), (preroll_unlinked): * gst/playback/gstplaybin.c: (gst_play_bin_class_init): * gst/playback/gstplaybin2.c: (gst_play_bin_class_init): * gst/playback/gstplaysink.c: (gst_play_sink_class_init): * gst/playback/gstqueue2.c: (gst_queue_class_init): * gst/playback/gststreaminfo.c: (gst_stream_info_class_init): * gst/playback/gststreamselector.c: (gst_selector_pad_class_init), (gst_stream_selector_class_init): * gst/playback/gsturidecodebin.c: (gst_uri_decode_bin_class_init): * gst/subparse/gstsubparse.c: (gst_sub_parse_class_init): * gst/tcp/gstmultifdsink.c: (gst_multi_fd_sink_class_init): * gst/tcp/gsttcpclientsink.c: (gst_tcp_client_sink_class_init): * gst/tcp/gsttcpclientsrc.c: (gst_tcp_client_src_class_init): * gst/tcp/gsttcpserversink.c: (gst_tcp_server_sink_class_init): * gst/tcp/gsttcpserversrc.c: (gst_tcp_server_src_class_init): * gst/videorate/gstvideorate.c: (gst_video_rate_class_init): * gst/videoscale/gstvideoscale.c: (gst_video_scale_class_init): * gst/videotestsrc/gstvideotestsrc.c: (gst_video_test_src_class_init): * gst/volume/gstvolume.c: (gst_volume_class_init): * sys/v4l/gstv4lelement.c: (gst_v4lelement_class_init): * sys/v4l/gstv4lmjpegsink.c: (gst_v4lmjpegsink_class_init): * sys/v4l/gstv4lmjpegsrc.c: (gst_v4lmjpegsrc_class_init): * sys/v4l/gstv4lsrc.c: (gst_v4lsrc_class_init): * sys/ximage/ximagesink.c: (gst_ximagesink_class_init): * sys/xvimage/xvimagesink.c: (gst_xvimagesink_class_init): Use G_PARAM_STATIC_STRINGS everywhere for GParamSpecs that use static strings (i.e. all). This gives us less memory usage, fewer allocations and thus less memory defragmentation. Depend on core CVS for this. Fixes bug #523806.
2008-03-22 15:00:53 +00:00
g_object_class_install_property (gobject_class, PROP_TIMESTAMP_OFFSET,
g_param_spec_int64 ("timestamp-offset", "Timestamp offset",
"An offset added to timestamps set on buffers (in ns)", 0,
G_MAXINT64, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_IS_LIVE,
g_param_spec_boolean ("is-live", "Is Live",
"Whether to act as a live source", DEFAULT_IS_LIVE,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_K0,
g_param_spec_int ("k0", "Zoneplate zero order phase",
"Zoneplate zero order phase, for generating plain fields or phase offsets",
G_MININT32, G_MAXINT32, 0,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_KX,
g_param_spec_int ("kx", "Zoneplate 1st order x phase",
"Zoneplate 1st order x phase, for generating constant horizontal frequencies",
G_MININT32, G_MAXINT32, 0,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_KY,
g_param_spec_int ("ky", "Zoneplate 1st order y phase",
2019-08-29 17:42:39 +00:00
"Zoneplate 1st order y phase, for generating content vertical frequencies",
G_MININT32, G_MAXINT32, 0,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_KT,
g_param_spec_int ("kt", "Zoneplate 1st order t phase",
"Zoneplate 1st order t phase, for generating phase rotation as a function of time",
G_MININT32, G_MAXINT32, 0,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_KXT,
g_param_spec_int ("kxt", "Zoneplate x*t product phase",
"Zoneplate x*t product phase, normalised to kxy/256 cycles per vertical pixel at width/2 from origin",
G_MININT32, G_MAXINT32, 0,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_KYT,
g_param_spec_int ("kyt", "Zoneplate y*t product phase",
"Zoneplate y*t product phase", G_MININT32, G_MAXINT32, 0,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_KXY,
g_param_spec_int ("kxy", "Zoneplate x*y product phase",
"Zoneplate x*y product phase", G_MININT32, G_MAXINT32, 0,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_KX2,
g_param_spec_int ("kx2", "Zoneplate 2nd order x phase",
"Zoneplate 2nd order x phase, normalised to kx2/256 cycles per horizontal pixel at width/2 from origin",
G_MININT32, G_MAXINT32, 0,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_KY2,
g_param_spec_int ("ky2", "Zoneplate 2nd order y phase",
"Zoneplate 2nd order y phase, normailsed to ky2/256 cycles per vertical pixel at height/2 from origin",
G_MININT32, G_MAXINT32, 0,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_KT2,
g_param_spec_int ("kt2", "Zoneplate 2nd order t phase",
"Zoneplate 2nd order t phase, t*t/256 cycles per picture", G_MININT32,
G_MAXINT32, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_XOFFSET,
g_param_spec_int ("xoffset", "Zoneplate 2nd order products x offset",
"Zoneplate 2nd order products x offset", G_MININT32, G_MAXINT32, 0,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_YOFFSET,
g_param_spec_int ("yoffset", "Zoneplate 2nd order products y offset",
"Zoneplate 2nd order products y offset", G_MININT32, G_MAXINT32, 0,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
/**
* GstVideoTestSrc:foreground-color
*
* Color to use for solid-color pattern and foreground color of other
* patterns. Default is white (0xffffffff).
*/
g_object_class_install_property (gobject_class, PROP_FOREGROUND_COLOR,
g_param_spec_uint ("foreground-color", "Foreground Color",
"Foreground color to use (big-endian ARGB)", 0, G_MAXUINT32,
DEFAULT_FOREGROUND_COLOR,
G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE | G_PARAM_STATIC_STRINGS));
/**
* GstVideoTestSrc:background-color
*
* Color to use for background color of some patterns. Default is
* black (0xff000000).
*/
g_object_class_install_property (gobject_class, PROP_BACKGROUND_COLOR,
g_param_spec_uint ("background-color", "Background Color",
"Background color to use (big-endian ARGB)", 0, G_MAXUINT32,
DEFAULT_BACKGROUND_COLOR,
G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_HORIZONTAL_SPEED,
g_param_spec_int ("horizontal-speed", "Horizontal Speed",
"Scroll image number of pixels per frame (positive is scroll to the left)",
G_MININT32, G_MAXINT32, DEFAULT_HORIZONTAL_SPEED,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
gst_element_class_set_static_metadata (gstelement_class,
"Video test source", "Source/Video",
"Creates a test video stream", "David A. Schleef <ds@schleef.org>");
gst_element_class_add_static_pad_template (gstelement_class,
&gst_video_test_src_template);
gstbasesrc_class->set_caps = gst_video_test_src_setcaps;
gstbasesrc_class->fixate = gst_video_test_src_src_fixate;
gstbasesrc_class->is_seekable = gst_video_test_src_is_seekable;
gstbasesrc_class->do_seek = gst_video_test_src_do_seek;
gstbasesrc_class->query = gst_video_test_src_query;
gstbasesrc_class->get_times = gst_video_test_src_get_times;
gstbasesrc_class->start = gst_video_test_src_start;
gstbasesrc_class->stop = gst_video_test_src_stop;
gstbasesrc_class->decide_allocation = gst_video_test_src_decide_allocation;
gstpushsrc_class->fill = gst_video_test_src_fill;
gst_type_mark_as_plugin_api (GST_TYPE_VIDEO_TEST_SRC_ANIMATION_MODE, 0);
gst_type_mark_as_plugin_api (GST_TYPE_VIDEO_TEST_SRC_MOTION_TYPE, 0);
gst_type_mark_as_plugin_api (GST_TYPE_VIDEO_TEST_SRC_PATTERN, 0);
}
static void
gst_video_test_src_init (GstVideoTestSrc * src)
{
gst_video_test_src_set_pattern (src, DEFAULT_PATTERN);
src->timestamp_offset = DEFAULT_TIMESTAMP_OFFSET;
src->foreground_color = DEFAULT_FOREGROUND_COLOR;
src->background_color = DEFAULT_BACKGROUND_COLOR;
src->horizontal_speed = DEFAULT_HORIZONTAL_SPEED;
src->random_state = 0;
/* we operate in time */
gst_base_src_set_format (GST_BASE_SRC (src), GST_FORMAT_TIME);
gst_base_src_set_live (GST_BASE_SRC (src), DEFAULT_IS_LIVE);
src->animation_mode = DEFAULT_ANIMATION_MODE;
src->motion_type = DEFAULT_MOTION_TYPE;
src->flip = DEFAULT_FLIP;
}
2012-03-11 18:04:41 +00:00
static GstCaps *
gst_video_test_src_src_fixate (GstBaseSrc * bsrc, GstCaps * caps)
{
GstVideoTestSrc *src = GST_VIDEO_TEST_SRC (bsrc);
GstStructure *structure;
/* Check if foreground color has alpha, if it is the case,
* force color format with an alpha channel downstream */
if (src->foreground_color >> 24 != 255) {
guint i;
GstCaps *alpha_only_caps = gst_caps_new_empty ();
for (i = 0; i < gst_caps_get_size (caps); i++) {
const GstVideoFormatInfo *info;
const GValue *formats =
gst_structure_get_value (gst_caps_get_structure (caps, i),
"format");
if (GST_VALUE_HOLDS_LIST (formats)) {
GValue possible_formats = { 0, };
guint list_size = gst_value_list_get_size (formats);
guint index;
g_value_init (&possible_formats, GST_TYPE_LIST);
for (index = 0; index < list_size; index++) {
const GValue *list_item = gst_value_list_get_value (formats, index);
info =
gst_video_format_get_info (gst_video_format_from_string
(g_value_get_string (list_item)));
if (GST_VIDEO_FORMAT_INFO_HAS_ALPHA (info)) {
GValue tmp = { 0, };
gst_value_init_and_copy (&tmp, list_item);
gst_value_list_append_value (&possible_formats, &tmp);
}
}
if (gst_value_list_get_size (&possible_formats)) {
GstStructure *astruct =
gst_structure_copy (gst_caps_get_structure (caps, i));
gst_structure_set_value (astruct, "format", &possible_formats);
gst_caps_append_structure (alpha_only_caps, astruct);
}
} else if (G_VALUE_HOLDS_STRING (formats)) {
info =
gst_video_format_get_info (gst_video_format_from_string
(g_value_get_string (formats)));
if (GST_VIDEO_FORMAT_INFO_HAS_ALPHA (info)) {
gst_caps_append_structure (alpha_only_caps,
gst_structure_copy (gst_caps_get_structure (caps, i)));
}
} else {
g_assert_not_reached ();
GST_WARNING ("Unexpected type for video 'format' field: %s",
G_VALUE_TYPE_NAME (formats));
}
}
if (gst_caps_is_empty (alpha_only_caps)) {
GST_WARNING_OBJECT (src,
"Foreground color contains alpha, but downstream can't support alpha.");
} else {
gst_caps_replace (&caps, alpha_only_caps);
}
gst_caps_unref (alpha_only_caps);
}
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caps = gst_caps_make_writable (caps);
structure = gst_caps_get_structure (caps, 0);
gst_structure_fixate_field_nearest_int (structure, "width", 320);
gst_structure_fixate_field_nearest_int (structure, "height", 240);
if (gst_structure_has_field (structure, "framerate"))
gst_structure_fixate_field_nearest_fraction (structure, "framerate", 30, 1);
else
gst_structure_set (structure, "framerate", GST_TYPE_FRACTION, 30, 1, NULL);
if (gst_structure_has_field (structure, "pixel-aspect-ratio"))
gst_structure_fixate_field_nearest_fraction (structure,
"pixel-aspect-ratio", 1, 1);
else
gst_structure_set (structure, "pixel-aspect-ratio", GST_TYPE_FRACTION, 1, 1,
NULL);
if (gst_structure_has_field (structure, "colorimetry"))
gst_structure_fixate_field_string (structure, "colorimetry", "bt601");
if (gst_structure_has_field (structure, "chroma-site"))
gst_structure_fixate_field_string (structure, "chroma-site", "mpeg2");
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if (gst_structure_has_field (structure, "interlace-mode"))
gst_structure_fixate_field_string (structure, "interlace-mode",
"progressive");
else
gst_structure_set (structure, "interlace-mode", G_TYPE_STRING,
"progressive", NULL);
if (gst_structure_has_field (structure, "multiview-mode"))
gst_structure_fixate_field_string (structure, "multiview-mode",
gst_video_multiview_mode_to_caps_string
(GST_VIDEO_MULTIVIEW_MODE_MONO));
else
gst_structure_set (structure, "multiview-mode", G_TYPE_STRING,
gst_video_multiview_mode_to_caps_string (GST_VIDEO_MULTIVIEW_MODE_MONO),
NULL);
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caps = GST_BASE_SRC_CLASS (parent_class)->fixate (bsrc, caps);
return caps;
}
static gboolean
gst_video_test_src_is_static_pattern (GstVideoTestSrc * videotestsrc)
{
switch (videotestsrc->pattern_type) {
case GST_VIDEO_TEST_SRC_SMPTE:
case GST_VIDEO_TEST_SRC_SNOW:
case GST_VIDEO_TEST_SRC_BLINK:
case GST_VIDEO_TEST_SRC_BALL:
return FALSE;
case GST_VIDEO_TEST_SRC_ZONE_PLATE:
case GST_VIDEO_TEST_SRC_CHROMA_ZONE_PLATE:
if (videotestsrc->kxt != 0 || videotestsrc->kyt != 0 ||
videotestsrc->kt != 0 || videotestsrc->kt2 != 0) {
return FALSE;
}
break;
default:
break;
}
switch (videotestsrc->pattern_type) {
/* Any pattern that's not a solid color is non-static
* with horizontal motion */
case GST_VIDEO_TEST_SRC_SMPTE:
case GST_VIDEO_TEST_SRC_SNOW:
case GST_VIDEO_TEST_SRC_CHECKERS1:
case GST_VIDEO_TEST_SRC_CHECKERS2:
case GST_VIDEO_TEST_SRC_CHECKERS4:
case GST_VIDEO_TEST_SRC_CHECKERS8:
case GST_VIDEO_TEST_SRC_CIRCULAR:
case GST_VIDEO_TEST_SRC_BLINK:
case GST_VIDEO_TEST_SRC_SMPTE75:
case GST_VIDEO_TEST_SRC_ZONE_PLATE:
case GST_VIDEO_TEST_SRC_GAMUT:
case GST_VIDEO_TEST_SRC_CHROMA_ZONE_PLATE:
case GST_VIDEO_TEST_SRC_BALL:
case GST_VIDEO_TEST_SRC_SMPTE100:
case GST_VIDEO_TEST_SRC_BAR:
case GST_VIDEO_TEST_SRC_PINWHEEL:
case GST_VIDEO_TEST_SRC_SPOKES:
case GST_VIDEO_TEST_SRC_GRADIENT:
case GST_VIDEO_TEST_SRC_COLORS:
if (videotestsrc->horizontal_speed)
return FALSE;
break;
default:
break;
}
return TRUE;
}
static void
gst_video_test_src_set_pattern (GstVideoTestSrc * videotestsrc,
int pattern_type)
{
videotestsrc->pattern_type = pattern_type;
GST_DEBUG_OBJECT (videotestsrc, "setting pattern to %d", pattern_type);
switch (pattern_type) {
case GST_VIDEO_TEST_SRC_SMPTE:
videotestsrc->make_image = gst_video_test_src_smpte;
break;
case GST_VIDEO_TEST_SRC_SNOW:
videotestsrc->make_image = gst_video_test_src_snow;
break;
case GST_VIDEO_TEST_SRC_BLACK:
videotestsrc->make_image = gst_video_test_src_black;
break;
case GST_VIDEO_TEST_SRC_WHITE:
videotestsrc->make_image = gst_video_test_src_white;
break;
case GST_VIDEO_TEST_SRC_RED:
videotestsrc->make_image = gst_video_test_src_red;
break;
case GST_VIDEO_TEST_SRC_GREEN:
videotestsrc->make_image = gst_video_test_src_green;
break;
case GST_VIDEO_TEST_SRC_BLUE:
videotestsrc->make_image = gst_video_test_src_blue;
break;
case GST_VIDEO_TEST_SRC_CHECKERS1:
videotestsrc->make_image = gst_video_test_src_checkers1;
break;
case GST_VIDEO_TEST_SRC_CHECKERS2:
videotestsrc->make_image = gst_video_test_src_checkers2;
break;
case GST_VIDEO_TEST_SRC_CHECKERS4:
videotestsrc->make_image = gst_video_test_src_checkers4;
break;
case GST_VIDEO_TEST_SRC_CHECKERS8:
videotestsrc->make_image = gst_video_test_src_checkers8;
break;
case GST_VIDEO_TEST_SRC_CIRCULAR:
videotestsrc->make_image = gst_video_test_src_circular;
break;
case GST_VIDEO_TEST_SRC_BLINK:
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videotestsrc->make_image = gst_video_test_src_blink;
break;
case GST_VIDEO_TEST_SRC_SMPTE75:
videotestsrc->make_image = gst_video_test_src_smpte75;
break;
case GST_VIDEO_TEST_SRC_ZONE_PLATE:
videotestsrc->make_image = gst_video_test_src_zoneplate;
break;
case GST_VIDEO_TEST_SRC_GAMUT:
videotestsrc->make_image = gst_video_test_src_gamut;
break;
case GST_VIDEO_TEST_SRC_CHROMA_ZONE_PLATE:
videotestsrc->make_image = gst_video_test_src_chromazoneplate;
break;
case GST_VIDEO_TEST_SRC_SOLID:
videotestsrc->make_image = gst_video_test_src_solid;
break;
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case GST_VIDEO_TEST_SRC_BALL:
videotestsrc->make_image = gst_video_test_src_ball;
break;
case GST_VIDEO_TEST_SRC_SMPTE100:
videotestsrc->make_image = gst_video_test_src_smpte100;
break;
case GST_VIDEO_TEST_SRC_BAR:
videotestsrc->make_image = gst_video_test_src_bar;
break;
case GST_VIDEO_TEST_SRC_PINWHEEL:
videotestsrc->make_image = gst_video_test_src_pinwheel;
break;
case GST_VIDEO_TEST_SRC_SPOKES:
videotestsrc->make_image = gst_video_test_src_spokes;
break;
case GST_VIDEO_TEST_SRC_GRADIENT:
videotestsrc->make_image = gst_video_test_src_gradient;
break;
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case GST_VIDEO_TEST_SRC_COLORS:
videotestsrc->make_image = gst_video_test_src_colors;
break;
case GST_VIDEO_TEST_SRC_SMPTE_RP_219:
videotestsrc->make_image = gst_video_test_src_smpte_rp_219;
break;
default:
g_assert_not_reached ();
}
}
static void
gst_video_test_src_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstVideoTestSrc *src = GST_VIDEO_TEST_SRC (object);
gboolean invalidate = TRUE;
switch (prop_id) {
case PROP_PATTERN:
gst_video_test_src_set_pattern (src, g_value_get_enum (value));
break;
case PROP_TIMESTAMP_OFFSET:
src->timestamp_offset = g_value_get_int64 (value);
invalidate = FALSE;
break;
case PROP_IS_LIVE:
gst_base_src_set_live (GST_BASE_SRC (src), g_value_get_boolean (value));
invalidate = FALSE;
break;
case PROP_K0:
src->k0 = g_value_get_int (value);
break;
case PROP_KX:
src->kx = g_value_get_int (value);
break;
case PROP_KY:
src->ky = g_value_get_int (value);
break;
case PROP_KT:
src->kt = g_value_get_int (value);
break;
case PROP_KXT:
src->kxt = g_value_get_int (value);
break;
case PROP_KYT:
src->kyt = g_value_get_int (value);
break;
case PROP_KXY:
src->kxy = g_value_get_int (value);
break;
case PROP_KX2:
src->kx2 = g_value_get_int (value);
break;
case PROP_KY2:
src->ky2 = g_value_get_int (value);
break;
case PROP_KT2:
src->kt2 = g_value_get_int (value);
break;
case PROP_XOFFSET:
src->xoffset = g_value_get_int (value);
break;
case PROP_YOFFSET:
src->yoffset = g_value_get_int (value);
break;
case PROP_FOREGROUND_COLOR:
src->foreground_color = g_value_get_uint (value);
break;
case PROP_BACKGROUND_COLOR:
src->background_color = g_value_get_uint (value);
break;
case PROP_HORIZONTAL_SPEED:
src->horizontal_speed = g_value_get_int (value);
break;
case PROP_ANIMATION_MODE:
src->animation_mode = g_value_get_enum (value);
break;
case PROP_MOTION_TYPE:
src->motion_type = g_value_get_enum (value);
break;
case PROP_FLIP:
src->flip = g_value_get_boolean (value);
break;
default:
break;
}
if (invalidate) {
/* Property change invalidated the current pattern - check if it's static now or not */
src->have_static_pattern = gst_video_test_src_is_static_pattern (src);
gst_clear_buffer (&src->cached);
}
}
static void
gst_video_test_src_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstVideoTestSrc *src = GST_VIDEO_TEST_SRC (object);
switch (prop_id) {
case PROP_PATTERN:
g_value_set_enum (value, src->pattern_type);
break;
case PROP_TIMESTAMP_OFFSET:
g_value_set_int64 (value, src->timestamp_offset);
break;
case PROP_IS_LIVE:
g_value_set_boolean (value, gst_base_src_is_live (GST_BASE_SRC (src)));
break;
case PROP_K0:
g_value_set_int (value, src->k0);
break;
case PROP_KX:
g_value_set_int (value, src->kx);
break;
case PROP_KY:
g_value_set_int (value, src->ky);
break;
case PROP_KT:
g_value_set_int (value, src->kt);
break;
case PROP_KXT:
g_value_set_int (value, src->kxt);
break;
case PROP_KYT:
g_value_set_int (value, src->kyt);
break;
case PROP_KXY:
g_value_set_int (value, src->kxy);
break;
case PROP_KX2:
g_value_set_int (value, src->kx2);
break;
case PROP_KY2:
g_value_set_int (value, src->ky2);
break;
case PROP_KT2:
g_value_set_int (value, src->kt2);
break;
case PROP_XOFFSET:
g_value_set_int (value, src->xoffset);
break;
case PROP_YOFFSET:
g_value_set_int (value, src->yoffset);
break;
case PROP_FOREGROUND_COLOR:
g_value_set_uint (value, src->foreground_color);
break;
case PROP_BACKGROUND_COLOR:
g_value_set_uint (value, src->background_color);
break;
case PROP_HORIZONTAL_SPEED:
g_value_set_int (value, src->horizontal_speed);
break;
case PROP_ANIMATION_MODE:
g_value_set_enum (value, src->animation_mode);
break;
case PROP_MOTION_TYPE:
g_value_set_enum (value, src->motion_type);
break;
case PROP_FLIP:
g_value_set_boolean (value, src->flip);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
#define DIV_ROUND_UP(s,v) (((s) + ((v)-1)) / (v))
static gboolean
gst_video_test_src_parse_caps (const GstCaps * caps, GstVideoInfo * info,
GstVideoTestSrc * videotestsrc)
{
const GstStructure *structure;
gboolean ret;
Convert elements to use fractions for their framerate. Original commit message from CVS: * ext/libvisual/visual.c: (gst_visual_src_setcaps), (get_buffer), (gst_visual_chain): * ext/ogg/gstogmparse.c: (gst_ogm_parse_chain): * ext/theora/theoradec.c: (theora_handle_type_packet): * ext/theora/theoraenc.c: (theora_enc_sink_setcaps), (theora_enc_chain): * gst-libs/gst/riff/riff-media.c: (gst_riff_create_video_caps): * gst-libs/gst/video/video.c: (gst_video_frame_rate): * gst-libs/gst/video/video.h: * gst/ffmpegcolorspace/avcodec.h: * gst/ffmpegcolorspace/gstffmpegcodecmap.c: (gst_ffmpeg_caps_to_pixfmt): * gst/ffmpegcolorspace/gstffmpegcolorspace.c: (gst_ffmpegcsp_set_caps): * gst/videorate/gstvideorate.c: (gst_videorate_transformcaps), (gst_videorate_setcaps), (gst_videorate_blank_data), (gst_videorate_chain): * gst/videotestsrc/gstvideotestsrc.c: (gst_videotestsrc_src_fixate), (gst_videotestsrc_getcaps), (gst_videotestsrc_parse_caps), (gst_videotestsrc_setcaps), (gst_videotestsrc_event), (gst_videotestsrc_create): * gst/videotestsrc/gstvideotestsrc.h: * sys/ximage/ximagesink.c: (gst_ximagesink_xcontext_get), (gst_ximagesink_setcaps), (gst_ximagesink_change_state), (gst_ximagesink_get_times), (gst_ximagesink_init): * sys/ximage/ximagesink.h: * sys/xvimage/xvimagesink.c: (gst_xvimagesink_get_xv_support), (gst_xvimagesink_setcaps), (gst_xvimagesink_change_state), (gst_xvimagesink_get_times), (gst_xvimagesink_init): * sys/xvimage/xvimagesink.h: Convert elements to use fractions for their framerate. V4L elements to come later tonight.
2005-11-22 16:08:37 +00:00
const GValue *framerate;
const gchar *str;
gint x_inv = 0, y_inv = 0, bpp = 0, bigendian = 0;
GST_DEBUG ("parsing caps");
gst_video_info_init (info);
structure = gst_caps_get_structure (caps, 0);
ret = gst_structure_get_int (structure, "width", &info->width);
ret &= gst_structure_get_int (structure, "height", &info->height);
Convert elements to use fractions for their framerate. Original commit message from CVS: * ext/libvisual/visual.c: (gst_visual_src_setcaps), (get_buffer), (gst_visual_chain): * ext/ogg/gstogmparse.c: (gst_ogm_parse_chain): * ext/theora/theoradec.c: (theora_handle_type_packet): * ext/theora/theoraenc.c: (theora_enc_sink_setcaps), (theora_enc_chain): * gst-libs/gst/riff/riff-media.c: (gst_riff_create_video_caps): * gst-libs/gst/video/video.c: (gst_video_frame_rate): * gst-libs/gst/video/video.h: * gst/ffmpegcolorspace/avcodec.h: * gst/ffmpegcolorspace/gstffmpegcodecmap.c: (gst_ffmpeg_caps_to_pixfmt): * gst/ffmpegcolorspace/gstffmpegcolorspace.c: (gst_ffmpegcsp_set_caps): * gst/videorate/gstvideorate.c: (gst_videorate_transformcaps), (gst_videorate_setcaps), (gst_videorate_blank_data), (gst_videorate_chain): * gst/videotestsrc/gstvideotestsrc.c: (gst_videotestsrc_src_fixate), (gst_videotestsrc_getcaps), (gst_videotestsrc_parse_caps), (gst_videotestsrc_setcaps), (gst_videotestsrc_event), (gst_videotestsrc_create): * gst/videotestsrc/gstvideotestsrc.h: * sys/ximage/ximagesink.c: (gst_ximagesink_xcontext_get), (gst_ximagesink_setcaps), (gst_ximagesink_change_state), (gst_ximagesink_get_times), (gst_ximagesink_init): * sys/ximage/ximagesink.h: * sys/xvimage/xvimagesink.c: (gst_xvimagesink_get_xv_support), (gst_xvimagesink_setcaps), (gst_xvimagesink_change_state), (gst_xvimagesink_get_times), (gst_xvimagesink_init): * sys/xvimage/xvimagesink.h: Convert elements to use fractions for their framerate. V4L elements to come later tonight.
2005-11-22 16:08:37 +00:00
framerate = gst_structure_get_value (structure, "framerate");
if (framerate) {
info->fps_n = gst_value_get_fraction_numerator (framerate);
info->fps_d = gst_value_get_fraction_denominator (framerate);
Convert elements to use fractions for their framerate. Original commit message from CVS: * ext/libvisual/visual.c: (gst_visual_src_setcaps), (get_buffer), (gst_visual_chain): * ext/ogg/gstogmparse.c: (gst_ogm_parse_chain): * ext/theora/theoradec.c: (theora_handle_type_packet): * ext/theora/theoraenc.c: (theora_enc_sink_setcaps), (theora_enc_chain): * gst-libs/gst/riff/riff-media.c: (gst_riff_create_video_caps): * gst-libs/gst/video/video.c: (gst_video_frame_rate): * gst-libs/gst/video/video.h: * gst/ffmpegcolorspace/avcodec.h: * gst/ffmpegcolorspace/gstffmpegcodecmap.c: (gst_ffmpeg_caps_to_pixfmt): * gst/ffmpegcolorspace/gstffmpegcolorspace.c: (gst_ffmpegcsp_set_caps): * gst/videorate/gstvideorate.c: (gst_videorate_transformcaps), (gst_videorate_setcaps), (gst_videorate_blank_data), (gst_videorate_chain): * gst/videotestsrc/gstvideotestsrc.c: (gst_videotestsrc_src_fixate), (gst_videotestsrc_getcaps), (gst_videotestsrc_parse_caps), (gst_videotestsrc_setcaps), (gst_videotestsrc_event), (gst_videotestsrc_create): * gst/videotestsrc/gstvideotestsrc.h: * sys/ximage/ximagesink.c: (gst_ximagesink_xcontext_get), (gst_ximagesink_setcaps), (gst_ximagesink_change_state), (gst_ximagesink_get_times), (gst_ximagesink_init): * sys/ximage/ximagesink.h: * sys/xvimage/xvimagesink.c: (gst_xvimagesink_get_xv_support), (gst_xvimagesink_setcaps), (gst_xvimagesink_change_state), (gst_xvimagesink_get_times), (gst_xvimagesink_init): * sys/xvimage/xvimagesink.h: Convert elements to use fractions for their framerate. V4L elements to come later tonight.
2005-11-22 16:08:37 +00:00
} else
goto no_framerate;
if ((str = gst_structure_get_string (structure, "colorimetry")))
gst_video_colorimetry_from_string (&info->colorimetry, str);
if ((str = gst_structure_get_string (structure, "format"))) {
if (g_str_has_prefix (str, "bggr")) {
x_inv = y_inv = 0;
} else if (g_str_has_prefix (str, "rggb")) {
x_inv = y_inv = 1;
} else if (g_str_has_prefix (str, "grbg")) {
x_inv = 0;
y_inv = 1;
} else if (g_str_has_prefix (str, "gbrg")) {
x_inv = 1;
y_inv = 0;
} else
goto invalid_format;
if (strlen (str) == 4) { /* 8bit bayer */
bpp = 8;
} else if (strlen (str) == 8) { /* 10/12/14/16 le/be bayer */
bpp = (gint) g_ascii_strtoull (str + 4, NULL, 10);
if (bpp & 1) /* odd bpp bayer formats not supported */
goto invalid_format;
if (bpp < 10 || bpp > 16) /* bayer 10,12,14,16 only */
goto invalid_format;
if (g_str_has_suffix (str, "le"))
bigendian = 0;
else if (g_str_has_suffix (str, "be"))
bigendian = 1;
else
goto invalid_format;
} else
goto invalid_format;
if (bpp == 8)
info->finfo = gst_video_format_get_info (GST_VIDEO_FORMAT_GRAY8);
else if (bigendian)
info->finfo = gst_video_format_get_info (GST_VIDEO_FORMAT_GRAY16_BE);
else
info->finfo = gst_video_format_get_info (GST_VIDEO_FORMAT_GRAY16_LE);
}
videotestsrc->bayer = TRUE;
videotestsrc->bpp = bpp;
videotestsrc->x_invert = x_inv;
videotestsrc->y_invert = y_inv;
info->stride[0] = GST_ROUND_UP_4 (info->width) * DIV_ROUND_UP (bpp, 8);
info->size = info->stride[0] * info->height;
return ret;
/* ERRORS */
no_framerate:
{
GST_DEBUG ("videotestsrc no framerate given");
return FALSE;
}
invalid_format:
{
GST_DEBUG ("videotestsrc invalid bayer format given");
return FALSE;
}
}
static gboolean
gst_video_test_src_decide_allocation (GstBaseSrc * bsrc, GstQuery * query)
{
GstVideoTestSrc *videotestsrc;
GstBufferPool *pool;
gboolean update;
guint size, min, max;
GstStructure *config;
GstCaps *caps = NULL;
videotestsrc = GST_VIDEO_TEST_SRC (bsrc);
2012-03-15 19:36:51 +00:00
if (gst_query_get_n_allocation_pools (query) > 0) {
gst_query_parse_nth_allocation_pool (query, 0, &pool, &size, &min, &max);
2012-03-15 19:36:51 +00:00
/* adjust size */
size = MAX (size, videotestsrc->info.size);
update = TRUE;
} else {
pool = NULL;
size = videotestsrc->info.size;
min = max = 0;
update = FALSE;
}
2012-03-15 19:36:51 +00:00
/* no downstream pool, make our own */
if (pool == NULL) {
if (videotestsrc->bayer)
pool = gst_buffer_pool_new ();
else
pool = gst_video_buffer_pool_new ();
}
config = gst_buffer_pool_get_config (pool);
gst_query_parse_allocation (query, &caps, NULL);
if (caps)
gst_buffer_pool_config_set_params (config, caps, size, min, max);
2012-07-06 09:23:48 +00:00
if (gst_query_find_allocation_meta (query, GST_VIDEO_META_API_TYPE, NULL)) {
gst_buffer_pool_config_add_option (config,
GST_BUFFER_POOL_OPTION_VIDEO_META);
}
gst_buffer_pool_set_config (pool, config);
if (update)
2012-03-15 19:36:51 +00:00
gst_query_set_nth_allocation_pool (query, 0, pool, size, min, max);
else
gst_query_add_allocation_pool (query, pool, size, min, max);
if (pool)
gst_object_unref (pool);
return GST_BASE_SRC_CLASS (parent_class)->decide_allocation (bsrc, query);
}
static gboolean
gst_video_test_src_setcaps (GstBaseSrc * bsrc, GstCaps * caps)
{
const GstStructure *structure;
GstVideoTestSrc *videotestsrc;
GstVideoInfo info;
guint i;
guint n_lines;
gint offset;
videotestsrc = GST_VIDEO_TEST_SRC (bsrc);
structure = gst_caps_get_structure (caps, 0);
GST_OBJECT_LOCK (videotestsrc);
if (gst_structure_has_name (structure, "video/x-raw")) {
/* we can use the parsing code */
if (!gst_video_info_from_caps (&info, caps))
goto parse_failed;
} else if (gst_structure_has_name (structure, "video/x-bayer")) {
if (!gst_video_test_src_parse_caps (caps, &info, videotestsrc))
goto parse_failed;
} else {
goto unsupported_caps;
}
/* create chroma subsampler */
if (videotestsrc->subsample)
gst_video_chroma_resample_free (videotestsrc->subsample);
videotestsrc->subsample = gst_video_chroma_resample_new (0,
info.chroma_site, 0, info.finfo->unpack_format, -info.finfo->w_sub[2],
-info.finfo->h_sub[2]);
for (i = 0; i < videotestsrc->n_lines; i++)
g_free (videotestsrc->lines[i]);
g_free (videotestsrc->lines);
if (videotestsrc->subsample != NULL) {
gst_video_chroma_resample_get_info (videotestsrc->subsample,
&n_lines, &offset);
} else {
n_lines = 1;
offset = 0;
}
videotestsrc->lines = g_malloc (sizeof (gpointer) * n_lines);
for (i = 0; i < n_lines; i++)
videotestsrc->lines[i] = g_malloc ((info.width + 16) * 8);
videotestsrc->n_lines = n_lines;
videotestsrc->offset = offset;
/* looks ok here */
videotestsrc->info = info;
GST_DEBUG_OBJECT (videotestsrc, "size %dx%d, %d/%d fps",
info.width, info.height, info.fps_n, info.fps_d);
g_free (videotestsrc->tmpline);
g_free (videotestsrc->tmpline2);
g_free (videotestsrc->tmpline_u8);
g_free (videotestsrc->tmpline_u16);
videotestsrc->tmpline_u8 = g_malloc (info.width + 8);
videotestsrc->tmpline = g_malloc ((info.width + 8) * 4);
videotestsrc->tmpline2 = g_malloc ((info.width + 8) * 4);
videotestsrc->tmpline_u16 = g_malloc ((info.width + 16) * 8);
videotestsrc->accum_rtime += videotestsrc->running_time;
videotestsrc->accum_frames += videotestsrc->n_frames;
videotestsrc->running_time = 0;
videotestsrc->n_frames = 0;
gst_clear_buffer (&videotestsrc->cached);
GST_OBJECT_UNLOCK (videotestsrc);
return TRUE;
/* ERRORS */
parse_failed:
{
GST_OBJECT_UNLOCK (videotestsrc);
GST_DEBUG_OBJECT (bsrc, "failed to parse caps");
return FALSE;
}
unsupported_caps:
{
GST_OBJECT_UNLOCK (videotestsrc);
GST_DEBUG_OBJECT (bsrc, "unsupported caps: %" GST_PTR_FORMAT, caps);
return FALSE;
}
}
static gboolean
gst_video_test_src_query (GstBaseSrc * bsrc, GstQuery * query)
{
gboolean res = FALSE;
GstVideoTestSrc *src;
src = GST_VIDEO_TEST_SRC (bsrc);
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_CONVERT:
{
GstFormat src_fmt, dest_fmt;
gint64 src_val, dest_val;
examples/seeking/seek.c: Update seek example. Original commit message from CVS: * examples/seeking/seek.c: (setup_dynamic_link), (make_dv_pipeline), (make_vorbis_theora_pipeline), (query_rates), (query_positions_elems), (query_positions_pads), (do_seek): Update seek example. * ext/ogg/gstoggdemux.c: (gst_ogg_pad_event), (gst_ogg_pad_typefind), (gst_ogg_demux_chain_elem_pad), (gst_ogg_demux_queue_data), (gst_ogg_demux_chain_peer), (gst_ogg_pad_submit_packet), (gst_ogg_pad_submit_page), (gst_ogg_demux_handle_event), (gst_ogg_demux_deactivate_current_chain), (gst_ogg_demux_activate_chain), (gst_ogg_demux_perform_seek), (gst_ogg_demux_collect_chain_info), (gst_ogg_demux_collect_info), (gst_ogg_demux_chain), (gst_ogg_demux_send_event), (gst_ogg_demux_loop): * ext/ogg/gstoggmux.c: (gst_ogg_mux_collected): * ext/theora/theoradec.c: (theora_dec_src_event), (theora_dec_src_getcaps), (theora_dec_sink_event), (theora_dec_push), (theora_dec_chain): * ext/vorbis/Makefile.am: * ext/vorbis/vorbisdec.c: (vorbis_dec_src_event), (vorbis_dec_sink_event), (vorbis_dec_push), (vorbis_handle_data_packet): * ext/vorbis/vorbisenc.c: (gst_vorbisenc_sink_event), (gst_vorbisenc_chain): * gst/playback/gststreaminfo.c: (cb_probe): * gst/subparse/gstsubparse.c: (gst_subparse_src_event): * gst/videorate/gstvideorate.c: (gst_videorate_event): * gst/videoscale/gstvideoscale.c: (gst_videoscale_handle_src_event): * gst/videotestsrc/gstvideotestsrc.c: (gst_videotestsrc_event): * sys/ximage/ximagesink.c: (gst_ximagesink_show_frame), (gst_ximagesink_navigation_send_event): * sys/xvimage/xvimagesink.c: (gst_xvimagesink_navigation_send_event): Various event updates and cleanups
2005-07-27 18:34:29 +00:00
GST_OBJECT_LOCK (src);
gst_query_parse_convert (query, &src_fmt, &src_val, &dest_fmt, &dest_val);
res =
gst_video_info_convert (&src->info, src_fmt, src_val, dest_fmt,
&dest_val);
gst_query_set_convert (query, src_fmt, src_val, dest_fmt, dest_val);
GST_OBJECT_UNLOCK (src);
break;
}
case GST_QUERY_LATENCY:
{
GST_OBJECT_LOCK (src);
if (src->info.fps_n > 0) {
GstClockTime latency;
latency =
gst_util_uint64_scale (GST_SECOND, src->info.fps_d,
src->info.fps_n);
GST_OBJECT_UNLOCK (src);
gst_query_set_latency (query,
gst_base_src_is_live (GST_BASE_SRC_CAST (src)), latency,
GST_CLOCK_TIME_NONE);
GST_DEBUG_OBJECT (src, "Reporting latency of %" GST_TIME_FORMAT,
GST_TIME_ARGS (latency));
res = TRUE;
} else {
GST_OBJECT_UNLOCK (src);
}
break;
}
case GST_QUERY_DURATION:{
if (bsrc->num_buffers != -1) {
GstFormat format;
gst_query_parse_duration (query, &format, NULL);
switch (format) {
case GST_FORMAT_TIME:{
gint64 dur;
GST_OBJECT_LOCK (src);
if (src->info.fps_n) {
dur = gst_util_uint64_scale_int_round (bsrc->num_buffers
* GST_SECOND, src->info.fps_d, src->info.fps_n);
res = TRUE;
gst_query_set_duration (query, GST_FORMAT_TIME, dur);
}
GST_OBJECT_UNLOCK (src);
goto done;
}
case GST_FORMAT_BYTES:
GST_OBJECT_LOCK (src);
res = TRUE;
gst_query_set_duration (query, GST_FORMAT_BYTES,
bsrc->num_buffers * src->info.size);
GST_OBJECT_UNLOCK (src);
goto done;
default:
break;
}
}
/* fall through */
}
default:
res = GST_BASE_SRC_CLASS (parent_class)->query (bsrc, query);
break;
}
done:
return res;
}
static void
gst_video_test_src_get_times (GstBaseSrc * basesrc, GstBuffer * buffer,
GstClockTime * start, GstClockTime * end)
{
/* for live sources, sync on the timestamp of the buffer */
if (gst_base_src_is_live (basesrc)) {
GstClockTime timestamp = GST_BUFFER_PTS (buffer);
if (GST_CLOCK_TIME_IS_VALID (timestamp)) {
/* get duration to calculate end time */
GstClockTime duration = GST_BUFFER_DURATION (buffer);
if (GST_CLOCK_TIME_IS_VALID (duration)) {
*end = timestamp + duration;
}
*start = timestamp;
}
} else {
*start = -1;
*end = -1;
}
}
static gboolean
gst_video_test_src_do_seek (GstBaseSrc * bsrc, GstSegment * segment)
{
2011-05-16 11:48:11 +00:00
GstClockTime position;
GstVideoTestSrc *src;
src = GST_VIDEO_TEST_SRC (bsrc);
segment->time = segment->start;
2011-05-16 11:48:11 +00:00
position = segment->position;
src->reverse = segment->rate < 0;
2011-05-16 11:48:11 +00:00
/* now move to the position indicated */
if (src->info.fps_n) {
2011-05-16 11:48:11 +00:00
src->n_frames = gst_util_uint64_scale (position,
src->info.fps_n, src->info.fps_d * GST_SECOND);
} else {
src->n_frames = 0;
}
src->accum_frames = 0;
src->accum_rtime = 0;
if (src->info.fps_n) {
src->running_time = gst_util_uint64_scale (src->n_frames,
src->info.fps_d * GST_SECOND, src->info.fps_n);
} else {
/* FIXME : Not sure what to set here */
src->running_time = 0;
}
2011-05-16 11:48:11 +00:00
g_assert (src->running_time <= position);
return TRUE;
}
static gboolean
gst_video_test_src_is_seekable (GstBaseSrc * psrc)
{
/* we're seekable... */
return TRUE;
}
static GstFlowReturn
fill_image (GstPushSrc * psrc, GstBuffer * buffer)
{
GstVideoTestSrc *src;
GstVideoFrame frame;
gconstpointer pal;
gsize palsize;
src = GST_VIDEO_TEST_SRC (psrc);
if (G_UNLIKELY (GST_VIDEO_INFO_FORMAT (&src->info) ==
GST_VIDEO_FORMAT_UNKNOWN))
goto not_negotiated;
/* 0 framerate and we are at the second frame, eos */
if (G_UNLIKELY (src->info.fps_n == 0 && src->n_frames == 1))
goto eos;
if (G_UNLIKELY (src->n_frames == -1)) {
/* EOS for reverse playback */
goto eos;
}
if (!gst_video_frame_map (&frame, &src->info, buffer, GST_MAP_WRITE))
goto invalid_frame;
src->make_image (src, GST_BUFFER_PTS (buffer), &frame);
2010-09-11 01:10:40 +00:00
if ((pal = gst_video_format_get_palette (GST_VIDEO_FRAME_FORMAT (&frame),
&palsize))) {
memcpy (GST_VIDEO_FRAME_PLANE_DATA (&frame, 1), pal, palsize);
2012-10-15 14:33:24 +00:00
}
gst_video_frame_unmap (&frame);
return GST_FLOW_OK;
not_negotiated:
{
return GST_FLOW_NOT_NEGOTIATED;
}
eos:
{
GST_DEBUG_OBJECT (src, "eos: 0 framerate, frame %d", (gint) src->n_frames);
return GST_FLOW_EOS;
}
invalid_frame:
{
GST_DEBUG_OBJECT (src, "invalid frame");
return GST_FLOW_OK;
}
}
static GstFlowReturn
gst_video_test_src_fill (GstPushSrc * psrc, GstBuffer * buffer)
{
GstVideoTestSrc *src = GST_VIDEO_TEST_SRC (psrc);
GstClockTime next_time;
GstFlowReturn ret;
GstClockTime pts =
src->accum_rtime + src->timestamp_offset + src->running_time;
gst_object_sync_values (GST_OBJECT (src), pts);
if (src->have_static_pattern) {
GstVideoFrame sframe, dframe;
if (src->cached == NULL) {
src->cached = gst_buffer_new_allocate (NULL, src->info.size, NULL);
ret = fill_image (GST_PUSH_SRC (src), src->cached);
if (G_UNLIKELY (ret != GST_FLOW_OK))
goto fill_failed;
} else {
GST_LOG_OBJECT (src, "Reusing cached pattern buffer");
}
/* Do a memory copy instead of just passing a reference to this buffer to
* be consistent with other sources. This should make things clear for
* cases where downstream cannot queue the same buffer twice (such as v4l2)
*/
gst_video_frame_map (&sframe, &src->info, src->cached, GST_MAP_READ);
gst_video_frame_map (&dframe, &src->info, buffer, GST_MAP_WRITE);
if (!gst_video_frame_copy (&dframe, &sframe))
goto copy_failed;
gst_video_frame_unmap (&sframe);
gst_video_frame_unmap (&dframe);
} else {
ret = fill_image (GST_PUSH_SRC (src), buffer);
if (G_UNLIKELY (ret != GST_FLOW_OK))
goto fill_failed;
}
GST_BUFFER_PTS (buffer) = pts;
GST_BUFFER_DTS (buffer) = GST_CLOCK_TIME_NONE;
GST_DEBUG_OBJECT (src, "Timestamp: %" GST_TIME_FORMAT " = accumulated %"
GST_TIME_FORMAT " + offset: %"
GST_TIME_FORMAT " + running time: %" GST_TIME_FORMAT,
GST_TIME_ARGS (GST_BUFFER_PTS (buffer)), GST_TIME_ARGS (src->accum_rtime),
GST_TIME_ARGS (src->timestamp_offset), GST_TIME_ARGS (src->running_time));
GST_BUFFER_OFFSET (buffer) = src->accum_frames + src->n_frames;
if (src->reverse) {
src->n_frames--;
} else {
src->n_frames++;
}
GST_BUFFER_OFFSET_END (buffer) = GST_BUFFER_OFFSET (buffer) + 1;
if (src->info.fps_n) {
next_time = gst_util_uint64_scale (src->n_frames,
src->info.fps_d * GST_SECOND, src->info.fps_n);
if (src->reverse) {
/* We already decremented to next frame */
GstClockTime prev_pts = gst_util_uint64_scale (src->n_frames + 2,
src->info.fps_d * GST_SECOND, src->info.fps_n);
GST_BUFFER_DURATION (buffer) = prev_pts - GST_BUFFER_PTS (buffer);
} else {
GST_BUFFER_DURATION (buffer) = next_time - src->running_time;
}
} else {
next_time = src->timestamp_offset;
/* NONE means forever */
GST_BUFFER_DURATION (buffer) = GST_CLOCK_TIME_NONE;
}
src->running_time = next_time;
return GST_FLOW_OK;
fill_failed:
{
GST_DEBUG_OBJECT (src, "fill returned %d (%s)", ret,
gst_flow_get_name (ret));
return ret;
}
copy_failed:
{
GST_DEBUG_OBJECT (src, "Failed to copy cached buffer");
return GST_FLOW_ERROR;
}
}
static gboolean
gst_video_test_src_start (GstBaseSrc * basesrc)
{
GstVideoTestSrc *src = GST_VIDEO_TEST_SRC (basesrc);
GST_OBJECT_LOCK (src);
src->running_time = 0;
src->n_frames = 0;
src->accum_frames = 0;
src->accum_rtime = 0;
gst_video_info_init (&src->info);
GST_OBJECT_UNLOCK (src);
return TRUE;
}
static gboolean
gst_video_test_src_stop (GstBaseSrc * basesrc)
{
GstVideoTestSrc *src = GST_VIDEO_TEST_SRC (basesrc);
guint i;
g_free (src->tmpline);
src->tmpline = NULL;
g_free (src->tmpline2);
src->tmpline2 = NULL;
g_free (src->tmpline_u8);
src->tmpline_u8 = NULL;
g_free (src->tmpline_u16);
src->tmpline_u16 = NULL;
if (src->subsample)
gst_video_chroma_resample_free (src->subsample);
src->subsample = NULL;
for (i = 0; i < src->n_lines; i++)
g_free (src->lines[i]);
g_free (src->lines);
src->n_lines = 0;
src->lines = NULL;
gst_clear_buffer (&src->cached);
return TRUE;
}
static gboolean
plugin_init (GstPlugin * plugin)
{
GST_DEBUG_CATEGORY_INIT (video_test_src_debug, "videotestsrc", 0,
"Video Test Source");
return GST_ELEMENT_REGISTER (videotestsrc, plugin);
}
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
GST_VERSION_MINOR,
videotestsrc,
"Creates a test video stream",
plugin_init, VERSION, GST_LICENSE, GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)