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Original commit message from CVS: * ext/amrwb/gstamrwbdec.c: (gst_amrwbdec_init): * ext/amrwb/gstamrwbenc.c: (gst_amrwbenc_init): * ext/amrwb/gstamrwbparse.c: (gst_amrwbparse_init): * ext/audioresample/gstaudioresample.c: * ext/bz2/gstbz2dec.c: (gst_bz2dec_init): * ext/bz2/gstbz2enc.c: (gst_bz2enc_init): * ext/divx/gstdivxdec.c: (gst_divxdec_init): * ext/divx/gstdivxenc.c: (gst_divxenc_init): * ext/faac/gstfaac.c: (gst_faac_init): * ext/gsm/gstgsmdec.c: (gst_gsmdec_init): * ext/gsm/gstgsmenc.c: (gst_gsmenc_init): * ext/hermes/gsthermescolorspace.c: (gst_hermes_colorspace_init): * ext/lcs/gstcolorspace.c: (gst_colorspace_init): * ext/libfame/gstlibfame.c: (gst_fameenc_init): * ext/snapshot/gstsnapshot.c: (gst_snapshot_init): * ext/spc/gstspc.c: (gst_spc_dec_init): * ext/swfdec/gstswfdec.c: (gst_swfdec_init): * ext/xvid/gstxvidenc.c: (gst_xvidenc_init): * gst/cdxaparse/gstcdxaparse.c: (gst_cdxa_parse_init): * gst/cdxaparse/gstcdxastrip.c: (gst_cdxastrip_init): * gst/chart/gstchart.c: (gst_chart_init): * gst/colorspace/gstcolorspace.c: (gst_colorspace_init): * gst/festival/gstfestival.c: (gst_festival_init): * gst/freeze/gstfreeze.c: (gst_freeze_init): * gst/mixmatrix/mixmatrix.c: (gst_mixmatrix_request_new_pad): * gst/mpeg1sys/gstmpeg1systemencode.c: (gst_system_encode_init): * gst/mpeg2sub/gstmpeg2subt.c: (gst_mpeg2subt_init): * gst/nsf/gstnsf.c: (gst_nsfdec_init): * gst/overlay/gstoverlay.c: (gst_overlay_init): * gst/passthrough/gstpassthrough.c: (passthrough_init): * gst/playondemand/gstplayondemand.c: (play_on_demand_init): * gst/smooth/gstsmooth.c: (gst_smooth_init): * gst/smoothwave/gstsmoothwave.c: (gst_smoothwave_init): * gst/speed/gstspeed.c: (speed_init): * gst/vbidec/gstvbidec.c: (gst_vbidec_init): * gst/videodrop/gstvideodrop.c: (gst_videodrop_init): * sys/dxr3/dxr3spusink.c: (dxr3spusink_init): * sys/dxr3/dxr3videosink.c: (dxr3videosink_init): * sys/qcam/gstqcamsrc.c: (gst_qcamsrc_init): Fix leaks.
381 lines
11 KiB
C
381 lines
11 KiB
C
/* GStreamer
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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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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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <gstvideodrop.h>
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#include <gst/video/video.h>
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/* elementfactory information */
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static const GstElementDetails videodrop_details =
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GST_ELEMENT_DETAILS ("Frame dropper",
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"Filter/Effect/Video",
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"Re-FPS'es video by dropping frames",
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"Ronald Bultje <rbultje@ronald.bitfreak.net>");
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/* GstVideodrop signals and args */
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enum
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{
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/* FILL ME */
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LAST_SIGNAL
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};
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enum
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{
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ARG_0,
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ARG_SPEED
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/* FILL ME */
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};
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static GstStaticPadTemplate gst_videodrop_src_template =
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GST_STATIC_PAD_TEMPLATE ("src",
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV ("{ YUY2, I420, YV12, YUYV, UYVY }")
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)
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);
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static GstStaticPadTemplate gst_videodrop_sink_template =
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GST_STATIC_PAD_TEMPLATE ("sink",
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GST_PAD_SINK,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV ("{ YUY2, I420, YV12, YUYV, UYVY }")
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)
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);
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static void gst_videodrop_base_init (gpointer g_class);
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static void gst_videodrop_class_init (GstVideodropClass * klass);
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static void gst_videodrop_init (GstVideodrop * videodrop);
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static void gst_videodrop_chain (GstPad * pad, GstData * _data);
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static void gst_videodrop_set_property (GObject * object,
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guint prop_id, const GValue * value, GParamSpec * pspec);
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static void gst_videodrop_get_property (GObject * object,
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guint prop_id, GValue * value, GParamSpec * pspec);
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static GstStateChangeReturn gst_videodrop_change_state (GstElement * element,
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GstStateChange transition);
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static GstElementClass *parent_class = NULL;
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/*static guint gst_videodrop_signals[LAST_SIGNAL] = { 0 }; */
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GType
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gst_videodrop_get_type (void)
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{
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static GType videodrop_type = 0;
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if (!videodrop_type) {
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static const GTypeInfo videodrop_info = {
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sizeof (GstVideodropClass),
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gst_videodrop_base_init,
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NULL,
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(GClassInitFunc) gst_videodrop_class_init,
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NULL,
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NULL,
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sizeof (GstVideodrop),
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0,
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(GInstanceInitFunc) gst_videodrop_init,
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};
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videodrop_type = g_type_register_static (GST_TYPE_ELEMENT,
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"GstVideodrop", &videodrop_info, 0);
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}
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return videodrop_type;
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}
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static void
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gst_videodrop_base_init (gpointer g_class)
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{
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GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
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gst_element_class_set_details (element_class, &videodrop_details);
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&gst_videodrop_sink_template));
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&gst_videodrop_src_template));
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}
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static void
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gst_videodrop_class_init (GstVideodropClass * klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
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parent_class = g_type_class_peek_parent (klass);
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g_object_class_install_property (object_class, ARG_SPEED,
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g_param_spec_float ("speed", "Speed",
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"Output speed (relative to input)", 0.01, 100, 1, G_PARAM_READWRITE));
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object_class->set_property = gst_videodrop_set_property;
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object_class->get_property = gst_videodrop_get_property;
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element_class->change_state = gst_videodrop_change_state;
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}
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static GstCaps *
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gst_videodrop_getcaps (GstPad * pad)
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{
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GstVideodrop *videodrop;
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GstPad *otherpad;
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GstCaps *caps, *copy, *copy2 = NULL;
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int i;
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gdouble otherfps;
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GstStructure *structure;
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gboolean negotiated;
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videodrop = GST_VIDEODROP (gst_pad_get_parent (pad));
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otherpad = (pad == videodrop->srcpad) ? videodrop->sinkpad :
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videodrop->srcpad;
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negotiated = gst_pad_is_negotiated (otherpad);
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otherfps = (pad == videodrop->srcpad) ? videodrop->from_fps :
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videodrop->to_fps;
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caps = gst_pad_get_allowed_caps (otherpad);
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copy = gst_caps_copy (caps);
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if (negotiated) {
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copy2 = gst_caps_copy (caps);
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}
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for (i = 0; i < gst_caps_get_size (caps); i++) {
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structure = gst_caps_get_structure (caps, i);
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gst_structure_set (structure,
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"framerate", GST_TYPE_DOUBLE_RANGE, 0.0, G_MAXDOUBLE, NULL);
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}
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if ((negotiated) && (videodrop->speed != 1.0)) {
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for (i = 0; i < gst_caps_get_size (copy2); i++) {
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structure = gst_caps_get_structure (copy2, i);
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gst_structure_set (structure,
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"framerate", G_TYPE_DOUBLE, otherfps * videodrop->speed, NULL);
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}
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gst_caps_append (copy2, copy);
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copy = copy2;
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}
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gst_caps_append (copy, caps);
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return copy;
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}
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static GstPadLinkReturn
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gst_videodrop_link (GstPad * pad, const GstCaps * caps)
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{
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GstVideodrop *videodrop;
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GstStructure *structure;
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gboolean ret;
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double fps;
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GstPad *otherpad;
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videodrop = GST_VIDEODROP (gst_pad_get_parent (pad));
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otherpad = (pad == videodrop->srcpad) ? videodrop->sinkpad :
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videodrop->srcpad;
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structure = gst_caps_get_structure (caps, 0);
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ret = gst_structure_get_double (structure, "framerate", &fps);
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if (!ret)
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return GST_PAD_LINK_REFUSED;
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if (pad == videodrop->srcpad) {
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videodrop->to_fps = fps;
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} else {
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videodrop->from_fps = fps;
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}
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if (gst_pad_is_negotiated (otherpad)) {
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/*
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* Ensure that the other side talks the format we're trying to set
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*/
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GstCaps *newcaps = gst_caps_copy (caps);
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if (pad == videodrop->srcpad) {
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gst_caps_set_simple (newcaps,
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"framerate", G_TYPE_DOUBLE, videodrop->from_fps, NULL);
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} else {
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gst_caps_set_simple (newcaps,
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"framerate", G_TYPE_DOUBLE, videodrop->to_fps, NULL);
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}
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ret = gst_pad_try_set_caps (otherpad, newcaps);
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if (GST_PAD_LINK_FAILED (ret)) {
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return GST_PAD_LINK_REFUSED;
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}
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}
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return GST_PAD_LINK_OK;
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}
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static void
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gst_videodrop_init (GstVideodrop * videodrop)
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{
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GST_OBJECT_FLAG_SET (videodrop, GST_ELEMENT_EVENT_AWARE);
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GST_DEBUG ("gst_videodrop_init");
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videodrop->sinkpad =
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gst_pad_new_from_static_template (&gst_videodrop_sink_template, "sink");
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gst_element_add_pad (GST_ELEMENT (videodrop), videodrop->sinkpad);
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gst_pad_set_chain_function (videodrop->sinkpad, gst_videodrop_chain);
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gst_pad_set_getcaps_function (videodrop->sinkpad, gst_videodrop_getcaps);
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gst_pad_set_link_function (videodrop->sinkpad, gst_videodrop_link);
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videodrop->srcpad =
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gst_pad_new_from_static_template (&gst_videodrop_src_template, "src");
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gst_element_add_pad (GST_ELEMENT (videodrop), videodrop->srcpad);
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gst_pad_set_getcaps_function (videodrop->srcpad, gst_videodrop_getcaps);
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gst_pad_set_link_function (videodrop->srcpad, gst_videodrop_link);
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videodrop->inited = FALSE;
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videodrop->total = videodrop->pass = 0;
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videodrop->speed = 1.;
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videodrop->time_adjust = 0;
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}
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static void
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gst_videodrop_chain (GstPad * pad, GstData * data)
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{
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GstVideodrop *videodrop = GST_VIDEODROP (gst_pad_get_parent (pad));
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GstBuffer *buf;
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if (GST_IS_EVENT (data)) {
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GstEvent *event = GST_EVENT (data);
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if (GST_EVENT_TYPE (event) == GST_EVENT_DISCONTINUOUS) {
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/* since we rely on timestamps of the source, we need to handle
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* changes in time carefully. */
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gint64 time;
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if (gst_event_discont_get_value (event, GST_FORMAT_TIME, &time)) {
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videodrop->total = videodrop->pass = 0;
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videodrop->time_adjust = time;
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} else {
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GST_ELEMENT_ERROR (videodrop, STREAM, TOO_LAZY, (NULL),
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("Received discont, but no time information"));
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gst_event_unref (event);
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return;
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}
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/* FIXME: increase timestamp / speed */
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}
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gst_pad_event_default (pad, event);
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return;
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}
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buf = GST_BUFFER (data);
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videodrop->total++;
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GST_DEBUG ("Received buffer at %u:%02u:%02u:%09u, fps=%lf, pass=%"
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G_GUINT64_FORMAT " of " G_GUINT64_FORMAT ", speed=%lf",
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(guint) (GST_BUFFER_TIMESTAMP (buf) / (GST_SECOND * 60 * 60)),
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(guint) ((GST_BUFFER_TIMESTAMP (buf) / (GST_SECOND * 60)) % 60),
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(guint) ((GST_BUFFER_TIMESTAMP (buf) / GST_SECOND) % 60),
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(guint) (GST_BUFFER_TIMESTAMP (buf) % GST_SECOND),
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videodrop->to_fps, videodrop->total, videodrop->pass, videodrop->speed);
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while (((GST_BUFFER_TIMESTAMP (buf) - videodrop->time_adjust) /
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videodrop->speed * videodrop->to_fps / GST_SECOND) >=
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videodrop->pass) {
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/* since we write to the struct (time/duration), we need a new struct,
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* but we don't want to copy around data - a subbuffer is the easiest
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* way to accomplish that... */
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GstBuffer *copy = gst_buffer_create_sub (buf, 0, GST_BUFFER_SIZE (buf));
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/* adjust timestamp/duration and push forward */
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GST_BUFFER_TIMESTAMP (copy) = (videodrop->time_adjust / videodrop->speed) +
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GST_SECOND * videodrop->pass / videodrop->to_fps;
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GST_BUFFER_DURATION (copy) = GST_SECOND / videodrop->to_fps;
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GST_DEBUG ("Sending out buffer from out %u:%02u:%02u:%09u",
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(guint) (GST_BUFFER_TIMESTAMP (copy) / (GST_SECOND * 60 * 60)),
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(guint) ((GST_BUFFER_TIMESTAMP (copy) / (GST_SECOND * 60)) % 60),
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(guint) ((GST_BUFFER_TIMESTAMP (copy) / GST_SECOND) % 60),
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(guint) (GST_BUFFER_TIMESTAMP (copy) % GST_SECOND));
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gst_pad_push (videodrop->srcpad, GST_DATA (copy));
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videodrop->pass++;
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}
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gst_buffer_unref (buf);
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}
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static void
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gst_videodrop_set_property (GObject * object,
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guint prop_id, const GValue * value, GParamSpec * pspec)
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{
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GstVideodrop *videodrop = GST_VIDEODROP (object);
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switch (prop_id) {
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case ARG_SPEED:
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videodrop->speed = g_value_get_float (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_videodrop_get_property (GObject * object,
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guint prop_id, GValue * value, GParamSpec * pspec)
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{
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GstVideodrop *videodrop = GST_VIDEODROP (object);
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switch (prop_id) {
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case ARG_SPEED:
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g_value_set_float (value, videodrop->speed);
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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 GstStateChangeReturn
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gst_videodrop_change_state (GstElement * element, GstStateChange transition)
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{
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GstVideodrop *videodrop = GST_VIDEODROP (element);
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switch (transition) {
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case GST_STATE_CHANGE_PAUSED_TO_READY:
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videodrop->inited = FALSE;
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videodrop->time_adjust = 0;
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videodrop->total = videodrop->pass = 0;
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break;
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default:
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break;
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}
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if (parent_class->change_state)
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return parent_class->change_state (element, transition);
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return GST_STATE_CHANGE_SUCCESS;
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}
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static gboolean
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plugin_init (GstPlugin * plugin)
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{
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return gst_element_register (plugin, "videodrop", GST_RANK_NONE,
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GST_TYPE_VIDEODROP);
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}
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GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
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GST_VERSION_MINOR,
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"videodrop",
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"Re-FPS'es video",
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plugin_init, VERSION, GST_LICENSE, GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)
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