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A simple video scaler as a library and an Element. Also a little non working mpeg2 to mpeg1 converter (still struggli...
Original commit message from CVS: A simple video scaler as a library and an Element. Also a little non working mpeg2 to mpeg1 converter (still struggling with the quantisation).
This commit is contained in:
Wim Taymans
parent
17224d3c8e
commit
2a4bfc0fc8
7 changed files with 1648 additions and 0 deletions
15
libs/videoscale/Makefile.am
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15
libs/videoscale/Makefile.am
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@ -0,0 +1,15 @@
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filterdir = $(libdir)/gst
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filter_LTLIBRARIES = libgstvideoscale.la
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libgstvideoscale_la_SOURCES = gstvideoscale.c
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libgstvideoscaleincludedir = $(includedir)/gst/libs/gstvideoscale.h
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libgstvideoscaleinclude_HEADERS = gstvideoscale.h
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noinst_HEADERS = yuv2rgb.h
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CFLAGS += -Wall -O2 -fomit-frame-pointer -funroll-all-loops -finline-functions -ffast-math
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INCLUDES = $(GLIB_CFLAGS) $(GTK_CFLAGS) -I$(top_srcdir) -I$(top_srcdir)/include
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LDADD = $(GLIB_LIBS) $(GTK_LIBS) $(top_srcdir)/gst/libgst.la
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169
libs/videoscale/gstvideoscale.c
Normal file
169
libs/videoscale/gstvideoscale.c
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/* Gnome-Streamer
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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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//#define DEBUG_ENABLED
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#include <gst/gst.h>
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#include <gstvideoscale.h>
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#include <gst/meta/videoraw.h>
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static void gst_videoscale_scale_plane(unsigned char *src, unsigned char *dest, int sw, int sh, int dw, int dh);
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GstBuffer *gst_videoscale_scale(GstBuffer *src, int sw, int sh, int dw, int dh, int format) {
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GstBuffer *outbuf;
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char *source;
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char *dest;
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GstMeta *meta;
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DEBUG("videoscale: scaling %dx%d to %dx%d\n", sw, sh, dw, dh);
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source = GST_BUFFER_DATA(src);
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outbuf = gst_buffer_new();
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dest = GST_BUFFER_DATA(outbuf) = g_malloc((dw*dh*12)/8);
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GST_BUFFER_SIZE(outbuf) = (dw*dh*12)/8;
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meta = gst_buffer_get_first_meta(src);
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if (meta) {
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((MetaVideoRaw *)meta)->width = dw;
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((MetaVideoRaw *)meta)->height = dh;
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gst_buffer_add_meta(outbuf, meta);
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}
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gst_videoscale_scale_plane(source, dest, sw, sh, dw, dh);
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source += sw*sh;
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dest += dw*dh;
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dh = dh>>1;
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dw = dw>>1;
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sh = sh>>1;
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sw = sw>>1;
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gst_videoscale_scale_plane(source, dest, sw, sh, dw, dh);
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source += sw*sh;
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dest += dw*dh;
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gst_videoscale_scale_plane(source, dest, sw, sh, dw, dh);
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gst_buffer_unref(src);
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return outbuf;
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}
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static char gst_videoscale_interp_simple(unsigned char *src, int x, int y, int dw, int dh, int sw, int sh, int ix, int iy) {
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unsigned char *isourcep;
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int interp;
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int i,j;
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if (x>0) src--;
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if (x>dw-1) src--;
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if (y>0) src-=sw;
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if (y>dh-1) src-=sw;
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isourcep = src;
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interp =0;
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for (i =0; i<iy; i++) {
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for (j =0; j<ix; j++) {
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interp += *isourcep++;
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}
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isourcep = isourcep-ix+sw;
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}
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return interp/(ix*iy);
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}
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static char gst_videoscale_interp_other(unsigned char *src, int x, int y, int dw, int dh, int sw, int sh, int ix, int iy) {
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unsigned char *isourcep;
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int interp;
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int i,j;
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static int matrix[3][3] = {{1,2,1}, {2,3,2},{1,2,1}};
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if (x>0) src--;
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if (x>dw-1) src--;
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if (y>0) src-=sw;
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if (y>dh-1) src-=sw;
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isourcep = src;
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interp =0;
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for (i =0; i<iy; i++) {
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for (j =0; j<ix; j++) {
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//printf("%d %d %d %d\n", i, j, *isourcep, matrix[i][j]);
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interp += matrix[i][j]*(*isourcep++);
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}
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isourcep = isourcep-ix+sw;
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}
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//printf("%d\n", interp/15);
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return interp/15;
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}
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static void gst_videoscale_scale_plane(unsigned char *src, unsigned char *dest, int sw, int sh, int dw, int dh) {
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int yinc = sh / dh;
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int srcys = sh % dh;
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int destys = dh;
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int dy = 2 * (srcys - destys);
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int incyE = 2 * srcys;
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int incyNE = 2 * (srcys - destys);
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int x, y;
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int xinc = sw / dw;
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int srcxs = sw % dw;
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int destxs = dw;
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int incxE = 2 * srcxs;
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int incxNE = 2 * (srcxs - destxs);
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int dx;
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unsigned char *sourcep;
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int srcinc = 0;
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int xskip, yskip =0;
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for (y = 0; y<dh; y++) {
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dx = 2 * (srcxs - destxs);
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sourcep = src + (srcinc*sw);
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for (x = dw; x; x--) {
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if (dx <= 0) {
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dx += incxE;
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xskip = 0;
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}
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else {
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dx += incxNE;
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xskip = 1;
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sourcep++;
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}
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sourcep += xinc;
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*dest++ = gst_videoscale_interp_other(sourcep, x, y, dw, dh, sw, sh, 3, 3);
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}
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if (dy <= 0) {
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dy += incyE;
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yskip = 0;
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}
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else {
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dy += incyNE;
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srcinc++;
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yskip = 1;
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}
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srcinc += yinc;
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}
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}
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30
libs/videoscale/gstvideoscale.h
Normal file
30
libs/videoscale/gstvideoscale.h
Normal file
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@ -0,0 +1,30 @@
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/* Gnome-Streamer
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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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#ifndef __GST_VIDEOSCALE_H__
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#define __GST_VIDEOSCALE_H__
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#include <gdk/gdk.h>
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#include <gst/gstbuffer.h>
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#include <gst/gstplugin.h>
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GstBuffer *gst_videoscale_scale(GstBuffer *src, int sw, int sh, int dw, int dh, int format);
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#endif /* __GST_VIDEOSCALE_H__ */
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88
libs/videoscale/rgb2rgb.c
Normal file
88
libs/videoscale/rgb2rgb.c
Normal file
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@ -0,0 +1,88 @@
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/* Gnome-Streamer
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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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//#define DEBUG_ENABLED
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#include <gst/gst.h>
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#include <gstcolorspace.h>
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static GstBuffer *gst_colorspace_rgb24_to_bgr24(GstBuffer *src, GstColorSpaceParameters *params);
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static GstBuffer *gst_colorspace_rgb_to_rgb_identity(GstBuffer *src, GstColorSpaceParameters *params);
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GstColorSpaceConverter gst_colorspace_rgb2rgb_get_converter(GstColorSpace src, GstColorSpace dest) {
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switch(src) {
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case GST_COLORSPACE_RGB24:
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switch(dest) {
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case GST_COLORSPACE_RGB24:
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return gst_colorspace_rgb_to_rgb_identity;
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case GST_COLORSPACE_BGR24:
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return gst_colorspace_rgb24_to_bgr24;
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default:
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break;
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}
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break;
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case GST_COLORSPACE_BGR24:
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switch(dest) {
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case GST_COLORSPACE_RGB24:
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return gst_colorspace_rgb24_to_bgr24;
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case GST_COLORSPACE_BGR24:
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return gst_colorspace_rgb_to_rgb_identity;
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default:
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break;
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}
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break;
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default:
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break;
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}
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g_print("gst_colorspace: conversion not supported\n");
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return NULL;
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}
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static GstBuffer *gst_colorspace_rgb_to_rgb_identity(GstBuffer *src, GstColorSpaceParameters *params) {
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return src;
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}
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static GstBuffer *gst_colorspace_rgb24_to_bgr24(GstBuffer *src, GstColorSpaceParameters *params) {
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gint size;
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gchar temp;
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gchar *data;
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DEBUG("gst_colorspace_rgb24_to_bgr24 %d\n", GST_BUFFER_SIZE(src));
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|
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size = GST_BUFFER_SIZE(src)/3;
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|
if (params != NULL && params->outbuf != NULL) {
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data = params->outbuf;
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DEBUG("gst_colorspace: to buffer %p\n", data);
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|
}
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else {
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data = GST_BUFFER_DATA(src);
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|
}
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|
|
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|
while (size--) {
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temp = data[0];
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data[0] = data[2];
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|
data[2] = temp;
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data+=3;
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|
}
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|
DEBUG("gst_colorspace_rgb24_to_bgr24 end %d\n", GST_BUFFER_SIZE(src));
|
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|
|
||||||
|
return src;
|
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|
}
|
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1058
libs/videoscale/yuv2rgb.c
Normal file
1058
libs/videoscale/yuv2rgb.c
Normal file
File diff suppressed because it is too large
Load diff
64
libs/videoscale/yuv2rgb.h
Normal file
64
libs/videoscale/yuv2rgb.h
Normal file
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@ -0,0 +1,64 @@
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|
/*
|
||||||
|
* Copyright (c) 1995 The Regents of the University of California.
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|
* All rights reserved.
|
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|
*
|
||||||
|
* Permission to use, copy, modify, and distribute this software and its
|
||||||
|
* documentation for any purpose, without fee, and without written agreement is
|
||||||
|
* hereby granted, provided that the above copyright notice and the following
|
||||||
|
* two paragraphs appear in all copies of this software.
|
||||||
|
*
|
||||||
|
* IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR
|
||||||
|
* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT
|
||||||
|
* OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE UNIVERSITY OF
|
||||||
|
* CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||||
|
*
|
||||||
|
* THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES,
|
||||||
|
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
|
||||||
|
* AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
|
||||||
|
* ON AN "AS IS" BASIS, AND THE UNIVERSITY OF CALIFORNIA HAS NO OBLIGATION TO
|
||||||
|
* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
|
||||||
|
*/
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|
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typedef struct _GstColorSpaceYUVTables GstColorSpaceYUVTables;
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|
|
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struct _GstColorSpaceYUVTables {
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int gammaCorrectFlag;
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|
double gammaCorrect;
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|
int chromaCorrectFlag;
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double chromaCorrect;
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|
|
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int *L_tab, *Cr_r_tab, *Cr_g_tab, *Cb_g_tab, *Cb_b_tab;
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|
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|
/*
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|
* We define tables that convert a color value between -256 and 512
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* into the R, G and B parts of the pixel. The normal range is 0-255.
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|
**/
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|
|
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|
long *r_2_pix;
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|
long *g_2_pix;
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|
long *b_2_pix;
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};
|
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|
|
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|
|
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|
#define CB_BASE 1
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||||||
|
#define CR_BASE (CB_BASE*CB_RANGE)
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#define LUM_BASE (CR_BASE*CR_RANGE)
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|
|
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#define Min(x,y) (((x) < (y)) ? (x) : (y))
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#define Max(x,y) (((x) > (y)) ? (x) : (y))
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|
|
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|
#define GAMMA_CORRECTION(x) ((int)(pow((x) / 255.0, 1.0 / gammaCorrect) * 255.0))
|
||||||
|
#define CHROMA_CORRECTION256(x) ((x) >= 128 \
|
||||||
|
? 128 + Min(127, (int)(((x) - 128.0) * chromaCorrect)) \
|
||||||
|
: 128 - Min(128, (int)((128.0 - (x)) * chromaCorrect)))
|
||||||
|
#define CHROMA_CORRECTION128(x) ((x) >= 0 \
|
||||||
|
? Min(127, (int)(((x) * chromaCorrect))) \
|
||||||
|
: Max(-128, (int)(((x) * chromaCorrect))))
|
||||||
|
#define CHROMA_CORRECTION256D(x) ((x) >= 128 \
|
||||||
|
? 128.0 + Min(127.0, (((x) - 128.0) * chromaCorrect)) \
|
||||||
|
: 128.0 - Min(128.0, (((128.0 - (x)) * chromaCorrect))))
|
||||||
|
#define CHROMA_CORRECTION128D(x) ((x) >= 0 \
|
||||||
|
? Min(127.0, ((x) * chromaCorrect)) \
|
||||||
|
: Max(-128.0, ((x) * chromaCorrect)))
|
||||||
|
|
||||||
|
|
||||||
224
test/mp2tomp1.c
Normal file
224
test/mp2tomp1.c
Normal file
|
|
@ -0,0 +1,224 @@
|
||||||
|
|
||||||
|
#include <sys/types.h>
|
||||||
|
#include <sys/stat.h>
|
||||||
|
#include <fcntl.h>
|
||||||
|
#include <glib.h>
|
||||||
|
#include <gst/gst.h>
|
||||||
|
|
||||||
|
int fd;
|
||||||
|
char *outfile;
|
||||||
|
|
||||||
|
void eof(GstSrc *src) {
|
||||||
|
g_print("have eos, quitting\n");
|
||||||
|
exit(0);
|
||||||
|
}
|
||||||
|
|
||||||
|
void mp2tomp1(GstElement *parser,GstPad *pad, GstElement *pipeline) {
|
||||||
|
GstElement *parse_audio, *parse_video, *decode, *decode_video, *play, *encode;
|
||||||
|
GstElement *audio_queue, *video_queue;
|
||||||
|
GstElement *audio_thread, *video_thread;
|
||||||
|
GstElement *videoscale;
|
||||||
|
GstElement *fdsink;
|
||||||
|
GstElementFactory *fdsinkfactory;
|
||||||
|
|
||||||
|
g_print("***** a new pad %s was created\n", gst_pad_get_name(pad));
|
||||||
|
|
||||||
|
// connect to audio pad
|
||||||
|
if (0) {
|
||||||
|
//if (strncmp(gst_pad_get_name(pad), "private_stream_1.0", 18) == 0) {
|
||||||
|
gst_plugin_load("ac3parse");
|
||||||
|
gst_plugin_load("ac3dec");
|
||||||
|
// construct internal pipeline elements
|
||||||
|
parse_audio = gst_elementfactory_make("ac3parse","parse_audio");
|
||||||
|
g_return_if_fail(parse_audio != NULL);
|
||||||
|
decode = gst_elementfactory_make("ac3dec","decode_audio");
|
||||||
|
g_return_if_fail(decode != NULL);
|
||||||
|
play = gst_elementfactory_make("audiosink","play_audio");
|
||||||
|
g_return_if_fail(play != NULL);
|
||||||
|
|
||||||
|
// create the thread and pack stuff into it
|
||||||
|
audio_thread = gst_thread_new("audio_thread");
|
||||||
|
g_return_if_fail(audio_thread != NULL);
|
||||||
|
gst_bin_add(GST_BIN(audio_thread),GST_ELEMENT(parse_audio));
|
||||||
|
gst_bin_add(GST_BIN(audio_thread),GST_ELEMENT(decode));
|
||||||
|
gst_bin_add(GST_BIN(audio_thread),GST_ELEMENT(play));
|
||||||
|
|
||||||
|
// set up pad connections
|
||||||
|
gst_element_add_ghost_pad(GST_ELEMENT(audio_thread),
|
||||||
|
gst_element_get_pad(parse_audio,"sink"));
|
||||||
|
gst_pad_connect(gst_element_get_pad(parse_audio,"src"),
|
||||||
|
gst_element_get_pad(decode,"sink"));
|
||||||
|
gst_pad_connect(gst_element_get_pad(decode,"src"),
|
||||||
|
gst_element_get_pad(play,"sink"));
|
||||||
|
|
||||||
|
// construct queue and connect everything in the main pipelie
|
||||||
|
audio_queue = gst_elementfactory_make("queue","audio_queue");
|
||||||
|
gtk_object_set(GTK_OBJECT(audio_queue),"max_level",30,NULL);
|
||||||
|
gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(audio_queue));
|
||||||
|
gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(audio_thread));
|
||||||
|
gst_pad_connect(pad,
|
||||||
|
gst_element_get_pad(audio_queue,"sink"));
|
||||||
|
gst_pad_connect(gst_element_get_pad(audio_queue,"src"),
|
||||||
|
gst_element_get_pad(audio_thread,"sink"));
|
||||||
|
|
||||||
|
// set up thread state and kick things off
|
||||||
|
gtk_object_set(GTK_OBJECT(audio_thread),"create_thread",TRUE,NULL);
|
||||||
|
g_print("setting to RUNNING state\n");
|
||||||
|
gst_element_set_state(GST_ELEMENT(audio_thread),GST_STATE_RUNNING);
|
||||||
|
g_print("setting to PLAYING state\n");
|
||||||
|
gst_element_set_state(GST_ELEMENT(audio_thread),GST_STATE_PLAYING);
|
||||||
|
} else if (strncmp(gst_pad_get_name(pad), "audio_", 6) == 0) {
|
||||||
|
gst_plugin_load("mp3parse");
|
||||||
|
gst_plugin_load("mpg123");
|
||||||
|
// construct internal pipeline elements
|
||||||
|
parse_audio = gst_elementfactory_make("mp3parse","parse_audio");
|
||||||
|
g_return_if_fail(parse_audio != NULL);
|
||||||
|
decode = gst_elementfactory_make("mpg123","decode_audio");
|
||||||
|
g_return_if_fail(decode != NULL);
|
||||||
|
play = gst_elementfactory_make("audiosink","play_audio");
|
||||||
|
g_return_if_fail(play != NULL);
|
||||||
|
|
||||||
|
// create the thread and pack stuff into it
|
||||||
|
audio_thread = gst_thread_new("audio_thread");
|
||||||
|
g_return_if_fail(audio_thread != NULL);
|
||||||
|
gst_bin_add(GST_BIN(audio_thread),GST_ELEMENT(parse_audio));
|
||||||
|
gst_bin_add(GST_BIN(audio_thread),GST_ELEMENT(decode));
|
||||||
|
gst_bin_add(GST_BIN(audio_thread),GST_ELEMENT(play));
|
||||||
|
|
||||||
|
// set up pad connections
|
||||||
|
gst_element_add_ghost_pad(GST_ELEMENT(audio_thread),
|
||||||
|
gst_element_get_pad(parse_audio,"sink"));
|
||||||
|
gst_pad_connect(gst_element_get_pad(parse_audio,"src"),
|
||||||
|
gst_element_get_pad(decode,"sink"));
|
||||||
|
gst_pad_connect(gst_element_get_pad(decode,"src"),
|
||||||
|
gst_element_get_pad(play,"sink"));
|
||||||
|
|
||||||
|
// construct queue and connect everything in the main pipelie
|
||||||
|
audio_queue = gst_elementfactory_make("queue","audio_queue");
|
||||||
|
gtk_object_set(GTK_OBJECT(audio_queue),"max_level",30,NULL);
|
||||||
|
gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(audio_queue));
|
||||||
|
gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(audio_thread));
|
||||||
|
gst_pad_connect(pad,
|
||||||
|
gst_element_get_pad(audio_queue,"sink"));
|
||||||
|
gst_pad_connect(gst_element_get_pad(audio_queue,"src"),
|
||||||
|
gst_element_get_pad(audio_thread,"sink"));
|
||||||
|
|
||||||
|
// set up thread state and kick things off
|
||||||
|
gtk_object_set(GTK_OBJECT(audio_thread),"create_thread",TRUE,NULL);
|
||||||
|
g_print("setting to RUNNING state\n");
|
||||||
|
gst_element_set_state(GST_ELEMENT(audio_thread),GST_STATE_RUNNING);
|
||||||
|
g_print("setting to PLAYING state\n");
|
||||||
|
gst_element_set_state(GST_ELEMENT(audio_thread),GST_STATE_PLAYING);
|
||||||
|
} else if (strncmp(gst_pad_get_name(pad), "video_", 6) == 0) {
|
||||||
|
//} else if (0) {
|
||||||
|
|
||||||
|
gst_plugin_load("mp1videoparse");
|
||||||
|
gst_plugin_load("mpeg2play");
|
||||||
|
gst_plugin_load("videoscale");
|
||||||
|
gst_plugin_load("mpeg2enc");
|
||||||
|
// construct internal pipeline elements
|
||||||
|
parse_video = gst_elementfactory_make("mp1videoparse","parse_video");
|
||||||
|
g_return_if_fail(parse_video != NULL);
|
||||||
|
decode_video = gst_elementfactory_make("mpeg2play","decode_video");
|
||||||
|
g_return_if_fail(decode_video != NULL);
|
||||||
|
videoscale = gst_elementfactory_make("videoscale","videoscale");
|
||||||
|
g_return_if_fail(videoscale != NULL);
|
||||||
|
encode = gst_elementfactory_make("mpeg2enc","encode");
|
||||||
|
g_return_if_fail(encode != NULL);
|
||||||
|
//gtk_object_set(GTK_OBJECT(show),"width",640, "height", 480,NULL);
|
||||||
|
fd = open(outfile,O_CREAT|O_RDWR|O_TRUNC);
|
||||||
|
|
||||||
|
fdsinkfactory = gst_elementfactory_find("fdsink");
|
||||||
|
g_return_if_fail(fdsinkfactory != NULL);
|
||||||
|
fdsink = gst_elementfactory_create(fdsinkfactory,"fdsink");
|
||||||
|
g_return_if_fail(fdsink != NULL);
|
||||||
|
gtk_object_set(GTK_OBJECT(fdsink),"fd",fd,NULL);
|
||||||
|
|
||||||
|
// create the thread and pack stuff into it
|
||||||
|
video_thread = gst_thread_new("video_thread");
|
||||||
|
g_return_if_fail(video_thread != NULL);
|
||||||
|
gst_bin_add(GST_BIN(video_thread),GST_ELEMENT(parse_video));
|
||||||
|
gst_bin_add(GST_BIN(video_thread),GST_ELEMENT(decode_video));
|
||||||
|
gst_bin_add(GST_BIN(video_thread),GST_ELEMENT(videoscale));
|
||||||
|
gst_bin_add(GST_BIN(video_thread),GST_ELEMENT(encode));
|
||||||
|
gst_bin_add(GST_BIN(video_thread),GST_ELEMENT(fdsink));
|
||||||
|
|
||||||
|
// set up pad connections
|
||||||
|
gst_element_add_ghost_pad(GST_ELEMENT(video_thread),
|
||||||
|
gst_element_get_pad(parse_video,"sink"));
|
||||||
|
gst_pad_connect(gst_element_get_pad(parse_video,"src"),
|
||||||
|
gst_element_get_pad(decode_video,"sink"));
|
||||||
|
gst_pad_connect(gst_element_get_pad(decode_video,"src"),
|
||||||
|
gst_element_get_pad(videoscale,"sink"));
|
||||||
|
gst_pad_connect(gst_element_get_pad(videoscale,"src"),
|
||||||
|
gst_element_get_pad(encode,"sink"));
|
||||||
|
gst_pad_connect(gst_element_get_pad(encode,"src"),
|
||||||
|
gst_element_get_pad(fdsink,"sink"));
|
||||||
|
|
||||||
|
// construct queue and connect everything in the main pipeline
|
||||||
|
video_queue = gst_elementfactory_make("queue","video_queue");
|
||||||
|
gtk_object_set(GTK_OBJECT(video_queue),"max_level",30,NULL);
|
||||||
|
gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(video_queue));
|
||||||
|
gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(video_thread));
|
||||||
|
gst_pad_connect(pad,
|
||||||
|
gst_element_get_pad(video_queue,"sink"));
|
||||||
|
gst_pad_connect(gst_element_get_pad(video_queue,"src"),
|
||||||
|
gst_element_get_pad(video_thread,"sink"));
|
||||||
|
|
||||||
|
// set up thread state and kick things off
|
||||||
|
gtk_object_set(GTK_OBJECT(video_thread),"create_thread",TRUE,NULL);
|
||||||
|
g_print("setting to RUNNING state\n");
|
||||||
|
gst_element_set_state(GST_ELEMENT(video_thread),GST_STATE_RUNNING);
|
||||||
|
g_print("setting to PLAYING state\n");
|
||||||
|
gst_element_set_state(GST_ELEMENT(video_thread),GST_STATE_PLAYING);
|
||||||
|
}
|
||||||
|
g_print("\n");
|
||||||
|
}
|
||||||
|
|
||||||
|
int main(int argc,char *argv[]) {
|
||||||
|
GstPipeline *pipeline;
|
||||||
|
GstElement *src, *parse, *out;
|
||||||
|
GstPad *infopad;
|
||||||
|
int i,c;
|
||||||
|
|
||||||
|
g_print("have %d args\n",argc);
|
||||||
|
|
||||||
|
gst_init(&argc,&argv);
|
||||||
|
gst_plugin_load("mpeg2parse");
|
||||||
|
|
||||||
|
pipeline = gst_pipeline_new("pipeline");
|
||||||
|
g_return_if_fail(pipeline != NULL);
|
||||||
|
|
||||||
|
if (strstr(argv[1],"video_ts")) {
|
||||||
|
src = gst_elementfactory_make("dvdsrc","src");
|
||||||
|
g_print("using DVD source\n");
|
||||||
|
} else
|
||||||
|
src = gst_elementfactory_make("disksrc","src");
|
||||||
|
|
||||||
|
g_return_if_fail(src != NULL);
|
||||||
|
gtk_object_set(GTK_OBJECT(src),"location",argv[1],NULL);
|
||||||
|
g_print("should be using file '%s'\n",argv[1]);
|
||||||
|
|
||||||
|
g_print("should be using output file '%s'\n",argv[2]);
|
||||||
|
outfile = argv[2];
|
||||||
|
|
||||||
|
parse = gst_elementfactory_make("mpeg2parse","parse");
|
||||||
|
g_return_if_fail(parse != NULL);
|
||||||
|
|
||||||
|
gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(src));
|
||||||
|
gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(parse));
|
||||||
|
|
||||||
|
gtk_signal_connect(GTK_OBJECT(parse),"new_pad",mp2tomp1, pipeline);
|
||||||
|
|
||||||
|
gtk_signal_connect(GTK_OBJECT(src),"eos",GTK_SIGNAL_FUNC(eof),NULL);
|
||||||
|
|
||||||
|
gst_pad_connect(gst_element_get_pad(src,"src"),
|
||||||
|
gst_element_get_pad(parse,"sink"));
|
||||||
|
|
||||||
|
g_print("setting to RUNNING state\n");
|
||||||
|
gst_element_set_state(GST_ELEMENT(pipeline),GST_STATE_RUNNING);
|
||||||
|
|
||||||
|
while (1) {
|
||||||
|
gst_src_push(GST_SRC(src));
|
||||||
|
}
|
||||||
|
}
|
||||||
Loading…
Reference in a new issue