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27f2c9b255
Original commit message from CVS: * ext/aalib/gstaasink.c: * ext/annodex/gstcmmldec.c: * ext/annodex/gstcmmlenc.c: * ext/cairo/gsttextoverlay.c: * ext/cairo/gsttimeoverlay.c: * ext/cdio/gstcdiocddasrc.c: * ext/dv/gstdvdec.c: * ext/dv/gstdvdemux.c: * ext/esd/esdmon.c: * ext/esd/esdsink.c: * ext/flac/gstflacenc.c: * ext/flac/gstflactag.c: * ext/gconf/gstgconfaudiosink.c: (gst_gconf_audio_sink_base_init): * ext/gconf/gstgconfaudiosrc.c: (gst_gconf_audio_src_base_init): * ext/gconf/gstgconfvideosink.c: (gst_gconf_video_sink_base_init): * ext/gconf/gstgconfvideosrc.c: (gst_gconf_video_src_base_init): * ext/gdk_pixbuf/pixbufscale.c: * ext/hal/gsthalaudiosink.c: (gst_hal_audio_sink_base_init): * ext/hal/gsthalaudiosrc.c: (gst_hal_audio_src_base_init): * ext/jpeg/gstjpegdec.c: * ext/jpeg/gstjpegenc.c: * ext/jpeg/gstsmokedec.c: * ext/jpeg/gstsmokeenc.c: * ext/libcaca/gstcacasink.c: * ext/libmng/gstmngdec.c: * ext/libmng/gstmngenc.c: * ext/libpng/gstpngdec.c: * ext/libpng/gstpngenc.c: * ext/mikmod/gstmikmod.c: * ext/raw1394/gstdv1394src.c: * ext/shout2/gstshout2.c: (gst_shout2send_init): * ext/shout2/gstshout2.h: * ext/speex/gstspeexdec.c: * ext/speex/gstspeexenc.c: * gst/alpha/gstalpha.c: * gst/alpha/gstalphacolor.c: * gst/apetag/gstapedemux.c: * gst/auparse/gstauparse.c: * gst/autodetect/gstautoaudiosink.c: (gst_auto_audio_sink_base_init): * gst/autodetect/gstautovideosink.c: (gst_auto_video_sink_base_init): * gst/avi/gstavidemux.c: (gst_avi_demux_base_init): * gst/avi/gstavimux.c: (gst_avimux_base_init): * gst/cutter/gstcutter.c: * gst/debug/breakmydata.c: * gst/debug/efence.c: * gst/debug/gstnavigationtest.c: * gst/debug/gstnavseek.c: * gst/debug/negotiation.c: * gst/debug/progressreport.c: * gst/debug/testplugin.c: * gst/effectv/gstaging.c: * gst/effectv/gstdice.c: * gst/effectv/gstedge.c: * gst/effectv/gstquark.c: * gst/effectv/gstrev.c: * gst/effectv/gstshagadelic.c: * gst/effectv/gstvertigo.c: * gst/effectv/gstwarp.c: * gst/flx/gstflxdec.c: * gst/goom/gstgoom.c: * gst/icydemux/gsticydemux.c: * gst/id3demux/gstid3demux.c: * gst/interleave/deinterleave.c: * gst/interleave/interleave.c: * gst/law/alaw-decode.c: (gst_alawdec_base_init): * gst/law/alaw-encode.c: (gst_alawenc_base_init): * gst/law/mulaw-decode.c: (gst_mulawdec_base_init): * gst/law/mulaw-encode.c: (gst_mulawenc_base_init): * gst/level/gstlevel.c: * gst/matroska/matroska-demux.c: (gst_matroska_demux_base_init): * gst/matroska/matroska-mux.c: (gst_matroska_mux_base_init): * gst/median/gstmedian.c: * gst/monoscope/gstmonoscope.c: * gst/multipart/multipartdemux.c: * gst/multipart/multipartmux.c: * gst/oldcore/gstaggregator.c: * gst/oldcore/gstfdsink.c: * gst/oldcore/gstmd5sink.c: * gst/oldcore/gstmultifilesrc.c: * gst/oldcore/gstpipefilter.c: * gst/oldcore/gstshaper.c: * gst/oldcore/gststatistics.c: * gst/rtp/gstasteriskh263.c: * gst/rtp/gstrtpL16depay.c: * gst/rtp/gstrtpL16pay.c: * gst/rtp/gstrtpamrdepay.c: * gst/rtp/gstrtpamrpay.c: * gst/rtp/gstrtpdepay.c: * gst/rtp/gstrtpgsmpay.c: * gst/rtp/gstrtph263pay.c: * gst/rtp/gstrtph263pdepay.c: * gst/rtp/gstrtph263ppay.c: * gst/rtp/gstrtpilbcdepay.c: * gst/rtp/gstrtpmp4gpay.c: * gst/rtp/gstrtpmp4vdepay.c: * gst/rtp/gstrtpmp4vpay.c: * gst/rtp/gstrtpmpadepay.c: * gst/rtp/gstrtpmpapay.c: * gst/rtp/gstrtppcmadepay.c: * gst/rtp/gstrtppcmapay.c: * gst/rtp/gstrtppcmudepay.c: * gst/rtp/gstrtppcmupay.c: * gst/rtp/gstrtpspeexdepay.c: * gst/rtp/gstrtpspeexpay.c: * gst/rtsp/gstrtpdec.c: * gst/rtsp/gstrtspsrc.c: * gst/smpte/gstsmpte.c: * gst/udp/gstdynudpsink.c: * gst/udp/gstmultiudpsink.c: * gst/udp/gstudpsink.c: * gst/udp/gstudpsrc.c: * gst/videobox/gstvideobox.c: * gst/videofilter/gstgamma.c: (gst_gamma_base_init): * gst/videofilter/gstvideobalance.c: * gst/videofilter/gstvideoflip.c: * gst/videofilter/gstvideotemplate.c: (gst_videotemplate_base_init): * gst/videomixer/videomixer.c: * gst/wavparse/gstwavparse.c: (gst_wavparse_base_init), (gst_wavparse_class_init), (gst_wavparse_dispose), (gst_wavparse_reset), (gst_wavparse_init), (gst_wavparse_perform_seek), (gst_wavparse_peek_chunk_info), (gst_wavparse_peek_chunk), (gst_wavparse_stream_headers), (gst_wavparse_parse_stream_init), (gst_wavparse_send_event), (gst_wavparse_add_src_pad), (gst_wavparse_stream_data), (gst_wavparse_chain), (gst_wavparse_srcpad_event), (gst_wavparse_sink_activate), (gst_wavparse_sink_activate_pull), (gst_wavparse_change_state): * gst/wavparse/gstwavparse.h: * sys/oss/gstossmixerelement.c: * sys/oss/gstosssink.c: * sys/oss/gstosssrc.c: * sys/osxaudio/gstosxaudioelement.c: * sys/osxaudio/gstosxaudiosink.c: * sys/osxaudio/gstosxaudiosrc.c: * sys/sunaudio/gstsunaudiomixer.c: * sys/sunaudio/gstsunaudiosink.c: Define GstElementDetails as const and also static (when defined as global)
366 lines
9.2 KiB
C
366 lines
9.2 KiB
C
/* GStreamer
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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*
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* dice.c: a 'dicing' effect
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* copyright (c) 2001 Sam Mertens. This code is subject to the provisions of
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* the GNU Library Public License.
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*
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* I suppose this looks similar to PuzzleTV, but it's not. The screen is
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* divided into small squares, each of which is rotated either 0, 90, 180 or
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* 270 degrees. The amount of rotation for each square is chosen at random.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <gst/video/gstvideofilter.h>
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#include <string.h>
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#include <gst/gst.h>
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#include <gst/video/video.h>
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#define GST_TYPE_DICETV \
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(gst_dicetv_get_type())
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#define GST_DICETV(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_DICETV,GstDiceTV))
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#define GST_DICETV_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_DICETV,GstDiceTVClass))
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#define GST_IS_DICETV(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_DICETV))
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#define GST_IS_DICETV_CLASS(obj) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_DICETV))
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typedef struct _GstDiceTV GstDiceTV;
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typedef struct _GstDiceTVClass GstDiceTVClass;
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#define DEFAULT_CUBE_BITS 4
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#define MAX_CUBE_BITS 5
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#define MIN_CUBE_BITS 0
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typedef enum _dice_dir
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{
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DICE_UP = 0,
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DICE_RIGHT = 1,
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DICE_DOWN = 2,
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DICE_LEFT = 3
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}
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DiceDir;
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struct _GstDiceTV
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{
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GstVideoFilter videofilter;
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gint width, height;
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gchar *dicemap;
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gint g_cube_bits;
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gint g_cube_size;
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gint g_map_height;
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gint g_map_width;
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};
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struct _GstDiceTVClass
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{
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GstVideoFilterClass parent_class;
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};
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GType gst_dicetv_get_type (void);
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static void gst_dicetv_create_map (GstDiceTV * filter);
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static const GstElementDetails gst_dicetv_details =
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GST_ELEMENT_DETAILS ("DiceTV effect",
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"Filter/Effect/Video",
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"'Dices' the screen up into many small squares",
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"Wim Taymans <wim.taymans@chello.be>");
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static GstStaticPadTemplate gst_dicetv_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_RGBx ";" GST_VIDEO_CAPS_xRGB ";"
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GST_VIDEO_CAPS_BGRx ";" GST_VIDEO_CAPS_xBGR)
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);
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static GstStaticPadTemplate gst_dicetv_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_RGBx ";" GST_VIDEO_CAPS_xRGB ";"
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GST_VIDEO_CAPS_BGRx ";" GST_VIDEO_CAPS_xBGR)
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);
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static GstVideoFilterClass *parent_class = NULL;
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enum
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{
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ARG_0,
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ARG_CUBE_BITS
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};
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static gboolean
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gst_dicetv_set_caps (GstBaseTransform * btrans, GstCaps * incaps,
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GstCaps * outcaps)
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{
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GstDiceTV *filter = GST_DICETV (btrans);
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GstStructure *structure;
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gboolean ret = FALSE;
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structure = gst_caps_get_structure (incaps, 0);
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if (gst_structure_get_int (structure, "width", &filter->width) &&
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gst_structure_get_int (structure, "height", &filter->height)) {
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g_free (filter->dicemap);
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filter->dicemap =
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(gchar *) g_malloc (filter->height * filter->width * sizeof (char));
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gst_dicetv_create_map (filter);
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ret = TRUE;
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}
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return ret;
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}
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static gboolean
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gst_dicetv_get_unit_size (GstBaseTransform * btrans, GstCaps * caps,
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guint * size)
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{
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GstDiceTV *filter;
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GstStructure *structure;
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gboolean ret = FALSE;
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gint width, height;
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filter = GST_DICETV (btrans);
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structure = gst_caps_get_structure (caps, 0);
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if (gst_structure_get_int (structure, "width", &width) &&
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gst_structure_get_int (structure, "height", &height)) {
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*size = width * height * 32 / 8;
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ret = TRUE;
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GST_DEBUG_OBJECT (filter, "our frame size is %d bytes (%dx%d)", *size,
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width, height);
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}
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return ret;
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}
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static unsigned int
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fastrand (void)
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{
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static unsigned int fastrand_val;
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return (fastrand_val = fastrand_val * 1103515245 + 12345);
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}
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static GstFlowReturn
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gst_dicetv_transform (GstBaseTransform * trans, GstBuffer * in, GstBuffer * out)
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{
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GstDiceTV *filter;
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guint32 *src, *dest;
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gint i, map_x, map_y, map_i, base, dx, dy, di;
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gint video_width, g_cube_bits, g_cube_size;
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GstFlowReturn ret = GST_FLOW_OK;
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filter = GST_DICETV (trans);
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src = (guint32 *) GST_BUFFER_DATA (in);
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dest = (guint32 *) GST_BUFFER_DATA (out);
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gst_buffer_stamp (out, in);
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video_width = filter->width;
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g_cube_bits = filter->g_cube_bits;
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g_cube_size = filter->g_cube_size;
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map_i = 0;
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for (map_y = 0; map_y < filter->g_map_height; map_y++) {
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for (map_x = 0; map_x < filter->g_map_width; map_x++) {
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base = (map_y << g_cube_bits) * video_width + (map_x << g_cube_bits);
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switch (filter->dicemap[map_i]) {
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case DICE_UP:
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for (dy = 0; dy < g_cube_size; dy++) {
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i = base + dy * video_width;
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for (dx = 0; dx < g_cube_size; dx++) {
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dest[i] = src[i];
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i++;
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}
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}
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break;
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case DICE_LEFT:
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for (dy = 0; dy < g_cube_size; dy++) {
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i = base + dy * video_width;
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for (dx = 0; dx < g_cube_size; dx++) {
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di = base + (dx * video_width) + (g_cube_size - dy - 1);
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dest[di] = src[i];
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i++;
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}
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}
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break;
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case DICE_DOWN:
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for (dy = 0; dy < g_cube_size; dy++) {
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di = base + dy * video_width;
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i = base + (g_cube_size - dy - 1) * video_width + g_cube_size;
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for (dx = 0; dx < g_cube_size; dx++) {
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i--;
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dest[di] = src[i];
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di++;
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}
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}
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break;
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case DICE_RIGHT:
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for (dy = 0; dy < g_cube_size; dy++) {
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i = base + (dy * video_width);
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for (dx = 0; dx < g_cube_size; dx++) {
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di = base + dy + (g_cube_size - dx - 1) * video_width;
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dest[di] = src[i];
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i++;
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}
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}
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break;
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default:
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g_assert_not_reached ();
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break;
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}
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map_i++;
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}
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}
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return ret;
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}
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static void
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gst_dicetv_create_map (GstDiceTV * filter)
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{
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gint x, y, i;
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filter->g_map_height = filter->height >> filter->g_cube_bits;
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filter->g_map_width = filter->width >> filter->g_cube_bits;
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filter->g_cube_size = 1 << filter->g_cube_bits;
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i = 0;
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for (y = 0; y < filter->g_map_height; y++) {
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for (x = 0; x < filter->g_map_width; x++) {
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// dicemap[i] = ((i + y) & 0x3); /* Up, Down, Left or Right */
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filter->dicemap[i] = (fastrand () >> 24) & 0x03;
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i++;
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}
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}
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}
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static void
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gst_dicetv_set_property (GObject * object, guint prop_id, const GValue * value,
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GParamSpec * pspec)
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{
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GstDiceTV *filter;
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g_return_if_fail (GST_IS_DICETV (object));
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filter = GST_DICETV (object);
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switch (prop_id) {
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case ARG_CUBE_BITS:
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filter->g_cube_bits = g_value_get_int (value);
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gst_dicetv_create_map (filter);
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default:
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break;
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}
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}
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static void
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gst_dicetv_get_property (GObject * object, guint prop_id, GValue * value,
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GParamSpec * pspec)
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{
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GstDiceTV *filter;
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g_return_if_fail (GST_IS_DICETV (object));
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filter = GST_DICETV (object);
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switch (prop_id) {
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case ARG_CUBE_BITS:
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g_value_set_int (value, filter->g_cube_bits);
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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_dicetv_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, &gst_dicetv_details);
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&gst_dicetv_sink_template));
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&gst_dicetv_src_template));
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}
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static void
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gst_dicetv_class_init (gpointer klass, gpointer class_data)
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{
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GObjectClass *gobject_class;
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GstElementClass *element_class;
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GstBaseTransformClass *trans_class;
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gobject_class = (GObjectClass *) klass;
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element_class = (GstElementClass *) klass;
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trans_class = (GstBaseTransformClass *) klass;
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parent_class = g_type_class_peek_parent (klass);
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gobject_class->set_property = gst_dicetv_set_property;
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gobject_class->get_property = gst_dicetv_get_property;
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g_object_class_install_property (gobject_class, ARG_CUBE_BITS,
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g_param_spec_int ("square_bits", "Square Bits", "The size of the Squares",
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MIN_CUBE_BITS, MAX_CUBE_BITS, DEFAULT_CUBE_BITS, G_PARAM_READWRITE));
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trans_class->set_caps = GST_DEBUG_FUNCPTR (gst_dicetv_set_caps);
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trans_class->get_unit_size = GST_DEBUG_FUNCPTR (gst_dicetv_get_unit_size);
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trans_class->transform = GST_DEBUG_FUNCPTR (gst_dicetv_transform);
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}
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static void
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gst_dicetv_init (GTypeInstance * instance, gpointer g_class)
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{
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GstDiceTV *filter = GST_DICETV (instance);
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filter->dicemap = NULL;
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filter->g_cube_bits = DEFAULT_CUBE_BITS;
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filter->g_cube_size = 0;
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filter->g_map_height = 0;
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filter->g_map_width = 0;
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}
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GType
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gst_dicetv_get_type (void)
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{
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static GType dicetv_type = 0;
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if (!dicetv_type) {
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static const GTypeInfo dicetv_info = {
|
|
sizeof (GstDiceTVClass),
|
|
gst_dicetv_base_init,
|
|
NULL,
|
|
(GClassInitFunc) gst_dicetv_class_init,
|
|
NULL,
|
|
NULL,
|
|
sizeof (GstDiceTV),
|
|
0,
|
|
(GInstanceInitFunc) gst_dicetv_init,
|
|
};
|
|
|
|
dicetv_type =
|
|
g_type_register_static (GST_TYPE_VIDEO_FILTER, "GstDiceTV",
|
|
&dicetv_info, 0);
|
|
}
|
|
return dicetv_type;
|
|
}
|