gst/xml/Makefile
libs/Makefile
libs/riff/Makefile
+libs/colorspace/Makefile
plugins/Makefile
plugins/au/Makefile
plugins/wav/Makefile
#include <gst/gst.h>
#include <gdk/gdk.h>
#include <gst/gstmeta.h>
+#include <libs/colorspace/gstcolorspace.h>
typedef struct _MetaVideoRaw MetaVideoRaw;
typedef struct _MetaDGA MetaDGA;
typedef struct _MetaOverlay MetaOverlay;
typedef struct _OverlayClip OverlayClip;
-enum {
- GST_META_VIDEORAW_RGB555,
- GST_META_VIDEORAW_BGR555,
- GST_META_VIDEORAW_RGB565,
- GST_META_VIDEORAW_BGR565,
- GST_META_VIDEORAW_RGB24, // RGB
- GST_META_VIDEORAW_RGB32,
- GST_META_VIDEORAW_YUV420, // YUV planar
- GST_META_VIDEORAW_YUV422
-};
-
struct _OverlayClip {
int x1, x2, y1, y2;
};
/* formatting information */
gint format;
- GdkVisual *visual;
+ GdkVisual *visual;
// dimensions of the video buffer
gint width;
gint height;
-SUBDIRS = riff
+SUBDIRS = riff colorspace
-DIST_SUBDIRS = riff
+DIST_SUBDIRS = riff colorspace
--- /dev/null
+Makefile
+Makefile.in
+*.o
+*.lo
+*.la
+.deps
+.libs
--- /dev/null
+filterdir = $(libdir)/gst
+
+filter_LTLIBRARIES = libgstcolorspace.la
+
+libgstcolorspace_la_SOURCES = gstcolorspace.c rgb2rgb.c yuv2rgb.c
+
+libgstcolorspaceincludedir = $(includedir)/gst/libs/gstcolorspace.h
+libgstcolorspaceinclude_HEADERS = gstcolorspace.h
+
+noinst_HEADERS = yuv2rgb.h
+
+CFLAGS += -Wall -O2 -fomit-frame-pointer -funroll-all-loops -finline-functions -ffast-math
+
+INCLUDES = $(GLIB_CFLAGS) $(GTK_CFLAGS) -I$(top_srcdir)
+LDADD = $(GLIB_LIBS) $(GTK_LIBS) $(top_srcdir)/gst/libgst.la
--- /dev/null
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+//#define DEBUG_ENABLED
+#include <gst/gst.h>
+
+#include <gstcolorspace.h>
+
+extern GstColorSpaceConverter gst_colorspace_rgb2rgb_get_converter(GstColorSpace srcspace,
+ GstColorSpace destspace);
+extern GstColorSpaceConverter gst_colorspace_yuv2rgb_get_converter(GstColorSpace srcspace,
+ GstColorSpace destspace);
+extern GstColorSpaceConverter gst_colorspace_rgb2yuv_get_converter(GstColorSpace srcspace,
+ GstColorSpace destspace);
+extern GstColorSpaceConverter gst_colorspace_yuv2yuv_get_converter(GstColorSpace srcspace,
+ GstColorSpace destspace);
+
+GstBuffer *gst_colorspace_convert(GstBuffer *src, GstColorSpace dest) {
+ switch (dest) {
+ default:
+ break;
+ }
+
+ return src;
+}
+
+GstColorSpaceConverter gst_colorspace_get_converter(GstColorSpace srcspace, GstColorSpace destspace) {
+ DEBUG("gst_colorspace: get converter\n");
+ if (GST_COLORSPACE_IS_RGB_TYPE(srcspace)) {
+ if (GST_COLORSPACE_IS_RGB_TYPE(destspace)) {
+ return gst_colorspace_rgb2rgb_get_converter(srcspace, destspace);
+ }
+ else {
+ //return gst_colorspace_rgb2yuv_get_converter(srcspace, destspace);
+ }
+ }
+ else if (GST_COLORSPACE_IS_YUV_TYPE(srcspace)) {
+ if (GST_COLORSPACE_IS_RGB_TYPE(destspace)) {
+ return gst_colorspace_yuv2rgb_get_converter(srcspace, destspace);
+ }
+ else {
+ //return gst_colorspace_yuv2yuv_get_converter(srcspace, destspace);
+ }
+ }
+ else {
+ return NULL;
+ }
+ return NULL;
+}
--- /dev/null
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+
+#ifndef __GST_COLORSPACE_H__
+#define __GST_COLORSPACE_H__
+
+
+#include <gst/gstbuffer.h>
+#include <gst/gstplugin.h>
+
+typedef enum {
+
+#define GST_COLORSPACE_RGB_FIRST GST_COLORSPACE_RGB555
+ GST_COLORSPACE_RGB555,
+ GST_COLORSPACE_BGR555,
+ GST_COLORSPACE_RGB565,
+ GST_COLORSPACE_BGR565,
+ GST_COLORSPACE_RGB24, // RGB
+ GST_COLORSPACE_BGR24, // RGB
+ GST_COLORSPACE_RGB32,
+#define GST_COLORSPACE_RGB_LAST GST_COLORSPACE_RGB32
+
+#define GST_COLORSPACE_YUV_FIRST GST_COLORSPACE_YUV420
+ GST_COLORSPACE_YUV420, // YUV
+ GST_COLORSPACE_YUV420P, // YUV planar
+ GST_COLORSPACE_YUV422,
+ GST_COLORSPACE_YUV422P,
+#define GST_COLORSPACE_YUV_LAST GST_COLORSPACE_YUV422P
+
+} GstColorSpace;
+
+typedef struct _GstColorSpaceParameters GstColorSpaceParameters;
+
+struct _GstColorSpaceParameters {
+ guint width;
+ guint height;
+ gchar *outbuf;
+};
+
+
+#define GST_COLORSPACE_IS_RGB_TYPE(type) ((type)>=GST_COLORSPACE_RGB_FIRST && \
+ (type)<=GST_COLORSPACE_RGB_LAST)
+#define GST_COLORSPACE_IS_YUV_TYPE(type) ((type)>=GST_COLORSPACE_YUV_FIRST && \
+ (type)<=GST_COLORSPACE_YUV_LAST)
+
+typedef GstBuffer * (*GstColorSpaceConverter) (GstBuffer *src, GstColorSpaceParameters *params);
+
+GstColorSpaceConverter gst_colorspace_get_converter(GstColorSpace srcspace, GstColorSpace destspace);
+
+/* convert a buffer to a new buffer in the given colorspace */
+GstBuffer *gst_colorspace_convert(GstBuffer *buf, GstColorSpace destspace);
+
+#endif /* __GST_COLORSPACE_H__ */
--- /dev/null
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+//#define DEBUG_ENABLED
+
+#include <gst/gst.h>
+#include <gstcolorspace.h>
+
+static GstBuffer *gst_colorspace_rgb24_to_bgr24(GstBuffer *src, GstColorSpaceParameters *params);
+
+GstColorSpaceConverter gst_colorspace_rgb2rgb_get_converter(GstColorSpace src, GstColorSpace dest) {
+ switch(src) {
+ case GST_COLORSPACE_RGB24:
+ switch(dest) {
+ case GST_COLORSPACE_BGR24:
+ return gst_colorspace_rgb24_to_bgr24;
+ default:
+ break;
+ }
+ break;
+ case GST_COLORSPACE_BGR24:
+ switch(dest) {
+ case GST_COLORSPACE_RGB24:
+ return gst_colorspace_rgb24_to_bgr24;
+ default:
+ break;
+ }
+ break;
+ default:
+ break;
+ }
+ return NULL;
+}
+
+static GstBuffer *gst_colorspace_rgb24_to_bgr24(GstBuffer *src, GstColorSpaceParameters *params) {
+ gint size;
+ gchar temp;
+ gchar *data;
+
+ DEBUG("gst_colorspace_rgb24_to_bgr24 %d\n", GST_BUFFER_SIZE(src));
+
+ data = GST_BUFFER_DATA(src);
+ size = GST_BUFFER_SIZE(src)/3;
+
+ while (size--) {
+ temp = data[0];
+ data[0] = data[2];
+ data[2] = temp;
+ data+=3;
+ }
+ DEBUG("gst_colorspace_rgb24_to_bgr24 end %d\n", GST_BUFFER_SIZE(src));
+
+ return src;
+}
+
--- /dev/null
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+
+#include <math.h>
+#include <stdlib.h>
+
+//#define DEBUG_ENABLED
+#include <gst/gst.h>
+#include <gstcolorspace.h>
+
+#include "yuv2rgb.h"
+
+static GstBuffer *gst_colorspace_yuv422P_to_rgb24(GstBuffer *src, GstColorSpaceParameters *params);
+static GstBuffer *gst_colorspace_yuv422P_to_rgb16(GstBuffer *src, GstColorSpaceParameters *params);
+
+static void gst_colorspace_yuv_to_rgb16(GstColorSpaceYUVTables *tables,
+ unsigned char *lum,
+ unsigned char *cr,
+ unsigned char *cb,
+ unsigned char *out,
+ int cols, int rows);
+
+static GstColorSpaceYUVTables * gst_colorspace_init_yuv(long depth,
+ long red_mask, long green_mask, long blue_mask);
+
+GstColorSpaceConverter gst_colorspace_yuv2rgb_get_converter(GstColorSpace src, GstColorSpace dest) {
+ DEBUG("gst_colorspace_yuv2rgb_get_converter\n");
+ switch(src) {
+ case GST_COLORSPACE_YUV422P:
+ switch(dest) {
+ case GST_COLORSPACE_RGB24:
+ return gst_colorspace_yuv422P_to_rgb24;
+ case GST_COLORSPACE_RGB555:
+ case GST_COLORSPACE_RGB565:
+ return gst_colorspace_yuv422P_to_rgb16;
+ default:
+ break;
+ }
+ break;
+ default:
+ break;
+ }
+ return NULL;
+}
+
+static GstBuffer *gst_colorspace_yuv422P_to_rgb24(GstBuffer *src, GstColorSpaceParameters *params) {
+ DEBUG("gst_colorspace_yuv422P_to_rgb24\n");
+
+ return src;
+}
+
+static GstBuffer *gst_colorspace_yuv422P_to_rgb16(GstBuffer *src, GstColorSpaceParameters *params) {
+ static GstColorSpaceYUVTables *color_tables = NULL;
+ DEBUG("gst_colorspace_yuv422P_to_rgb16\n");
+
+ g_return_val_if_fail(params != NULL, NULL);
+
+ if (color_tables == NULL) {
+ color_tables = gst_colorspace_init_yuv(16, 0xF800, 0x07E0, 0x001F);
+ }
+
+ gst_colorspace_yuv_to_rgb16(color_tables,
+ GST_BUFFER_DATA(src), // Y component
+ GST_BUFFER_DATA(src)+params->width*params->height, // cr component
+ GST_BUFFER_DATA(src)+params->width*params->height+
+ (params->width*params->height)/4, // cb component
+ params->outbuf,
+ params->height,
+ params->width);
+
+ return src;
+}
+
+
+/*
+ * How many 1 bits are there in the longword.
+ * Low performance, do not call often.
+ */
+
+static int
+number_of_bits_set(a)
+unsigned long a;
+{
+ if(!a) return 0;
+ if(a & 1) return 1 + number_of_bits_set(a >> 1);
+ return(number_of_bits_set(a >> 1));
+}
+
+/*
+ * Shift the 0s in the least significant end out of the longword.
+ * Low performance, do not call often.
+ */
+static unsigned long
+shifted_down(a)
+unsigned long a;
+{
+ if(!a) return 0;
+ if(a & 1) return a;
+ return a >> 1;
+}
+
+/*
+ * How many 0 bits are there at most significant end of longword.
+ * Low performance, do not call often.
+ */
+static int
+free_bits_at_top(a)
+unsigned long a;
+{
+ /* assume char is 8 bits */
+ if(!a) return sizeof(unsigned long) * 8;
+ /* assume twos complement */
+ if(((long)a) < 0l) return 0;
+ return 1 + free_bits_at_top ( a << 1);
+}
+
+/*
+ * How many 0 bits are there at least significant end of longword.
+ * Low performance, do not call often.
+ */
+static int
+free_bits_at_bottom(a)
+unsigned long a;
+{
+ /* assume char is 8 bits */
+ if(!a) return sizeof(unsigned long) * 8;
+ if(((long)a) & 1l) return 0;
+ return 1 + free_bits_at_bottom ( a >> 1);
+}
+
+/*
+ *--------------------------------------------------------------
+ *
+ * InitColor16Dither --
+ *
+ * To get rid of the multiply and other conversions in color
+ * dither, we use a lookup table.
+ *
+ * Results:
+ * None.
+ *
+ * Side effects:
+ * The lookup tables are initialized.
+ *
+ *--------------------------------------------------------------
+ */
+
+static GstColorSpaceYUVTables *
+gst_colorspace_init_yuv(long depth, long red_mask, long green_mask, long blue_mask)
+{
+ int CR, CB, i;
+ int *L_tab, *Cr_r_tab, *Cr_g_tab, *Cb_g_tab, *Cb_b_tab;
+ long *r_2_pix_alloc;
+ long *g_2_pix_alloc;
+ long *b_2_pix_alloc;
+ GstColorSpaceYUVTables *tables = g_malloc(sizeof(GstColorSpaceYUVTables));
+
+ L_tab = tables->L_tab = (int *)malloc(256*sizeof(int));
+ Cr_r_tab = tables->Cr_r_tab = (int *)malloc(256*sizeof(int));
+ Cr_g_tab = tables->Cr_g_tab = (int *)malloc(256*sizeof(int));
+ Cb_g_tab = tables->Cb_g_tab = (int *)malloc(256*sizeof(int));
+ Cb_b_tab = tables->Cb_b_tab = (int *)malloc(256*sizeof(int));
+
+ r_2_pix_alloc = (long *)malloc(768*sizeof(long));
+ g_2_pix_alloc = (long *)malloc(768*sizeof(long));
+ b_2_pix_alloc = (long *)malloc(768*sizeof(long));
+
+ if (L_tab == NULL ||
+ Cr_r_tab == NULL ||
+ Cr_g_tab == NULL ||
+ Cb_g_tab == NULL ||
+ Cb_b_tab == NULL ||
+ r_2_pix_alloc == NULL ||
+ g_2_pix_alloc == NULL ||
+ b_2_pix_alloc == NULL) {
+ fprintf(stderr, "Could not get enough memory in InitColorDither\n");
+ exit(1);
+ }
+
+ for (i=0; i<256; i++) {
+ L_tab[i] = i;
+ /*
+ if (gammaCorrectFlag) {
+ L_tab[i] = GAMMA_CORRECTION(i);
+ }
+ */
+
+ CB = CR = i;
+ /*
+ if (chromaCorrectFlag) {
+ CB -= 128;
+ CB = CHROMA_CORRECTION128(CB);
+ CR -= 128;
+ CR = CHROMA_CORRECTION128(CR);
+ }
+ else
+ */
+ {
+ CB -= 128; CR -= 128;
+ }
+ Cr_r_tab[i] = (0.419/0.299) * CR;
+ Cr_g_tab[i] = -(0.299/0.419) * CR;
+ Cb_g_tab[i] = -(0.114/0.331) * CB;
+ Cb_b_tab[i] = (0.587/0.331) * CB;
+
+ }
+
+ /*
+ * Set up entries 0-255 in rgb-to-pixel value tables.
+ */
+ for (i = 0; i < 256; i++) {
+ r_2_pix_alloc[i + 256] = i >> (8 - number_of_bits_set(red_mask));
+ r_2_pix_alloc[i + 256] <<= free_bits_at_bottom(red_mask);
+ g_2_pix_alloc[i + 256] = i >> (8 - number_of_bits_set(green_mask));
+ g_2_pix_alloc[i + 256] <<= free_bits_at_bottom(green_mask);
+ b_2_pix_alloc[i + 256] = i >> (8 - number_of_bits_set(blue_mask));
+ b_2_pix_alloc[i + 256] <<= free_bits_at_bottom(blue_mask);
+ /*
+ * If we have 16-bit output depth, then we double the value
+ * in the top word. This means that we can write out both
+ * pixels in the pixel doubling mode with one op. It is
+ * harmless in the normal case as storing a 32-bit value
+ * through a short pointer will lose the top bits anyway.
+ * A similar optimisation for Alpha for 64 bit has been
+ * prepared for, but is not yet implemented.
+ */
+ if(!(depth == 32)) {
+
+ r_2_pix_alloc[i + 256] |= (r_2_pix_alloc[i + 256]) << 16;
+ g_2_pix_alloc[i + 256] |= (g_2_pix_alloc[i + 256]) << 16;
+ b_2_pix_alloc[i + 256] |= (b_2_pix_alloc[i + 256]) << 16;
+
+ }
+#ifdef SIXTYFOUR_BIT
+ if(depth == 32) {
+
+ r_2_pix_alloc[i + 256] |= (r_2_pix_alloc[i + 256]) << 32;
+ g_2_pix_alloc[i + 256] |= (g_2_pix_alloc[i + 256]) << 32;
+ b_2_pix_alloc[i + 256] |= (b_2_pix_alloc[i + 256]) << 32;
+
+ }
+#endif
+ }
+
+ /*
+ * Spread out the values we have to the rest of the array so that
+ * we do not need to check for overflow.
+ */
+ for (i = 0; i < 256; i++) {
+ r_2_pix_alloc[i] = r_2_pix_alloc[256];
+ r_2_pix_alloc[i+ 512] = r_2_pix_alloc[511];
+ g_2_pix_alloc[i] = g_2_pix_alloc[256];
+ g_2_pix_alloc[i+ 512] = g_2_pix_alloc[511];
+ b_2_pix_alloc[i] = b_2_pix_alloc[256];
+ b_2_pix_alloc[i+ 512] = b_2_pix_alloc[511];
+ }
+
+ tables->r_2_pix = r_2_pix_alloc + 256;
+ tables->g_2_pix = g_2_pix_alloc + 256;
+ tables->b_2_pix = b_2_pix_alloc + 256;
+
+ return tables;
+
+}
+
+/*
+ *--------------------------------------------------------------
+ *
+ * Color16DitherImage --
+ *
+ * Converts image into 16 bit color.
+ *
+ * Results:
+ * None.
+ *
+ * Side effects:
+ * None.
+ *
+ *--------------------------------------------------------------
+ */
+
+static void
+gst_colorspace_yuv_to_rgb16(tables, lum, cr, cb, out, rows, cols)
+ GstColorSpaceYUVTables *tables;
+ unsigned char *lum;
+ unsigned char *cr;
+ unsigned char *cb;
+ unsigned char *out;
+ int cols, rows;
+
+{
+ int L, CR, CB;
+ unsigned short *row1, *row2;
+ unsigned char *lum2;
+ int x, y;
+ int cr_r;
+ int cr_g;
+ int cb_g;
+ int cb_b;
+ int cols_2 = cols/2;
+
+ row1 = (unsigned short *)out;
+ row2 = row1 + cols_2 + cols_2;
+ lum2 = lum + cols_2 + cols_2;
+
+ for (y=0; y<rows; y+=2) {
+ for (x=0; x<cols_2; x++) {
+ int R, G, B;
+
+ CR = *cr++;
+ CB = *cb++;
+ cr_r = tables->Cr_r_tab[CR];
+ cr_g = tables->Cr_g_tab[CR];
+ cb_g = tables->Cb_g_tab[CB];
+ cb_b = tables->Cb_b_tab[CB];
+
+ L = tables->L_tab[(int) *lum++];
+
+ R = L + cr_r;
+ G = L + cr_g + cb_g;
+ B = L + cb_b;
+
+ *row1++ = (tables->r_2_pix[R] | tables->g_2_pix[G] | tables->b_2_pix[B]);
+
+#ifdef INTERPOLATE
+ if(x != cols_2 - 1) {
+ CR = (CR + *cr) >> 1;
+ CB = (CB + *cb) >> 1;
+ cr_r = tables->Cr_r_tab[CR];
+ cr_g = tables->Cr_g_tab[CR];
+ cb_g = tables->Cb_g_tab[CB];
+ cb_b = tables->Cb_b_tab[CB];
+ }
+#endif
+
+ L = tables->L_tab[(int) *lum++];
+
+ R = L + cr_r;
+ G = L + cr_g + cb_g;
+ B = L + cb_b;
+
+ *row1++ = (tables->r_2_pix[R] | tables->g_2_pix[G] | tables->b_2_pix[B]);
+
+ /*
+ * Now, do second row.
+ */
+#ifdef INTERPOLATE
+ if(y != rows - 2) {
+ CR = (CR + *(cr + cols_2 - 1)) >> 1;
+ CB = (CB + *(cb + cols_2 - 1)) >> 1;
+ cr_r = tables->Cr_r_tab[CR];
+ cr_g = tables->Cr_g_tab[CR];
+ cb_g = tables->Cb_g_tab[CB];
+ cb_b = tables->Cb_b_tab[CB];
+ }
+#endif
+
+ L = tables->L_tab[(int) *lum2++];
+ R = L + cr_r;
+ G = L + cr_g + cb_g;
+ B = L + cb_b;
+
+ *row2++ = (tables->r_2_pix[R] | tables->g_2_pix[G] | tables->b_2_pix[B]);
+
+ L = tables->L_tab[(int) *lum2++];
+ R = L + cr_r;
+ G = L + cr_g + cb_g;
+ B = L + cb_b;
+
+ *row2++ = (tables->r_2_pix[R] | tables->g_2_pix[G] | tables->b_2_pix[B]);
+ }
+ /*
+ * These values are at the start of the next line, (due
+ * to the ++'s above),but they need to be at the start
+ * of the line after that.
+ */
+ lum += cols_2 + cols_2;
+ lum2 += cols_2 + cols_2;
+ row1 += cols_2 + cols_2;
+ row2 += cols_2 + cols_2;
+ }
+}
+
+/*
+ *--------------------------------------------------------------
+ *
+ * Color32DitherImage --
+ *
+ * Converts image into 32 bit color (or 24-bit non-packed).
+ *
+ * Results:
+ * None.
+ *
+ * Side effects:
+ * None.
+ *
+ *--------------------------------------------------------------
+ */
+
+/*
+ * This is a copysoft version of the function above with ints instead
+ * of shorts to cause a 4-byte pixel size
+ */
+
+static void
+gst_colorspace_yuv_to_rgb32(tables, lum, cr, cb, out, rows, cols)
+ GstColorSpaceYUVTables *tables;
+ unsigned char *lum;
+ unsigned char *cr;
+ unsigned char *cb;
+ unsigned char *out;
+ int cols, rows;
+
+{
+ int L, CR, CB;
+ unsigned int *row1, *row2;
+ unsigned char *lum2;
+ int x, y;
+ int cr_r;
+ int cr_g;
+ int cb_g;
+ int cb_b;
+ int cols_2 = cols / 2;
+
+ row1 = (unsigned int *)out;
+ row2 = row1 + cols_2 + cols_2;
+ lum2 = lum + cols_2 + cols_2;
+ for (y=0; y<rows; y+=2) {
+ for (x=0; x<cols_2; x++) {
+ int R, G, B;
+
+ CR = *cr++;
+ CB = *cb++;
+ cr_r = tables->Cr_r_tab[CR];
+ cr_g = tables->Cr_g_tab[CR];
+ cb_g = tables->Cb_g_tab[CB];
+ cb_b = tables->Cb_b_tab[CB];
+
+ L = tables->L_tab[(int) *lum++];
+
+ R = L + cr_r;
+ G = L + cr_g + cb_g;
+ B = L + cb_b;
+
+ *row1++ = (tables->r_2_pix[R] | tables->g_2_pix[G] | tables->b_2_pix[B]);
+
+#ifdef INTERPOLATE
+ if(x != cols_2 - 1) {
+ CR = (CR + *cr) >> 1;
+ CB = (CB + *cb) >> 1;
+ cr_r = tables->Cr_r_tab[CR];
+ cr_g = tables->Cr_g_tab[CR];
+ cb_g = tables->Cb_g_tab[CB];
+ cb_b = tables->Cb_b_tab[CB];
+ }
+#endif
+
+ L = tables->L_tab[(int) *lum++];
+
+ R = L + cr_r;
+ G = L + cr_g + cb_g;
+ B = L + cb_b;
+
+ *row1++ = (tables->r_2_pix[R] | tables->g_2_pix[G] | tables->b_2_pix[B]);
+
+ /*
+ * Now, do second row.
+ */
+
+#ifdef INTERPOLATE
+ if(y != rows - 2) {
+ CR = (CR + *(cr + cols_2 - 1)) >> 1;
+ CB = (CB + *(cb + cols_2 - 1)) >> 1;
+ cr_r = tables->Cr_r_tab[CR];
+ cr_g = tables->Cr_g_tab[CR];
+ cb_g = tables->Cb_g_tab[CB];
+ cb_b = tables->Cb_b_tab[CB];
+ }
+#endif
+
+ L = tables->L_tab [(int) *lum2++];
+ R = L + cr_r;
+ G = L + cr_g + cb_g;
+ B = L + cb_b;
+
+ *row2++ = (tables->r_2_pix[R] | tables->g_2_pix[G] | tables->b_2_pix[B]);
+
+ L = tables->L_tab [(int) *lum2++];
+ R = L + cr_r;
+ G = L + cr_g + cb_g;
+ B = L + cb_b;
+
+ *row2++ = (tables->r_2_pix[R] | tables->g_2_pix[G] | tables->b_2_pix[B]);
+ }
+ lum += cols_2 + cols_2;
+ lum2 += cols_2 + cols_2;
+ row1 += cols_2 + cols_2;
+ row2 += cols_2 + cols_2;
+ }
+}
+
--- /dev/null
+/*
+ * Copyright (c) 1995 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * 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.
+ */
+
+typedef struct _GstColorSpaceYUVTables GstColorSpaceYUVTables;
+
+struct _GstColorSpaceYUVTables {
+ int gammaCorrectFlag;
+ double gammaCorrect;
+ int chromaCorrectFlag;
+ double chromaCorrect;
+
+ int *L_tab, *Cr_r_tab, *Cr_g_tab, *Cb_g_tab, *Cb_b_tab;
+
+ /*
+ * We define tables that convert a color value between -256 and 512
+ * into the R, G and B parts of the pixel. The normal range is 0-255.
+ **/
+
+ long *r_2_pix;
+ long *g_2_pix;
+ long *b_2_pix;
+};
+
+
+#define CB_BASE 1
+#define CR_BASE (CB_BASE*CB_RANGE)
+#define LUM_BASE (CR_BASE*CR_RANGE)
+
+#define Min(x,y) (((x) < (y)) ? (x) : (y))
+#define Max(x,y) (((x) > (y)) ? (x) : (y))
+
+#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)))
+
+
filter_LTLIBRARIES = libgstriff.la
-libgstriff_la_SOURCES = gstriff.c
+libgstriff_la_SOURCES = gstriffparse.c gstriffencode.c gstriffutil.c
noinst_HEADERS = gstriff.h
#include <gst/gstplugin.h>
+#define GST_RIFF_OK 0
#define GST_RIFF_ENOTRIFF -1 /* not a RIFF file */
#define GST_RIFF_EINVAL -2 /* wrong parameters */
#define GST_RIFF_ENOMEM -3 /* out of memory */
+/* states */
+#define GST_RIFF_STATE_INITIAL 0
+#define GST_RIFF_STATE_HASAVIH 1
+#define GST_RIFF_STATE_HASSTRH 2
+#define GST_RIFF_STATE_HASSTRF 3
+#define GST_RIFF_STATE_MOVI 4
+
+
#define MAKE_FOUR_CC(a,b,c,d) ( ((guint32)a) | (((guint32)b)<< 8) | \
((guint32)c)<<16 | (((guint32)d)<<24) )
#define GST_RIFF_rec MAKE_FOUR_CC( 'r', 'e', 'c', ' ')
/* common data structures */
-struct gst_riff_avih {
+struct _gst_riff_avih {
guint32 us_frame; /* microsec per frame */
guint32 max_bps; /* byte/s overall */
guint32 pad_gran; /* pad_gran (???) */
guint32 length;
};
-struct gst_riff_strh {
- gchar type[4]; /* stream type */
+struct _gst_riff_strh {
+ guint32 type; /* stream type */
guint32 fcc_handler; /* fcc_handler */
guint32 flags;
/* flags values */
/* XXX 16 bytes ? */
};
-struct gst_riff_strf_vids { /* == BitMapInfoHeader */
+struct _gst_riff_strf_vids { /* == BitMapInfoHeader */
guint32 size;
guint32 width;
guint32 height;
guint16 planes;
guint16 bit_cnt;
- gchar compression[4];
+ guint32 compression;
guint32 image_size;
guint32 xpels_meter;
guint32 ypels_meter;
};
-struct gst_riff_strf_auds { /* == WaveHeader (?) */
+struct _gst_riff_strf_auds { /* == WaveHeader (?) */
guint16 format;
/**** from public Microsoft RIFF docs ******/
#define GST_RIFF_WAVE_FORMAT_UNKNOWN (0x0000)
guint16 size;
};
+struct _gst_riff_riff {
+ guint32 id;
+ guint32 size;
+ guint32 type;
+};
+struct _gst_riff_list {
+ guint32 id;
+ guint32 size;
+ guint32 type;
+};
+
+struct _gst_riff_chunk {
+ guint32 id;
+ guint32 size;
+};
+
+typedef struct _gst_riff_riff gst_riff_riff;
+typedef struct _gst_riff_list gst_riff_list;
+typedef struct _gst_riff_chunk gst_riff_chunk;
+
+typedef struct _gst_riff_avih gst_riff_avih;
+typedef struct _gst_riff_strh gst_riff_strh;
+typedef struct _gst_riff_strf_vids gst_riff_strf_vids;
+typedef struct _gst_riff_strf_auds gst_riff_strf_auds;
typedef struct _GstRiff GstRiff;
typedef struct _GstRiffChunk GstRiffChunk;
/* list of chunks, most recent at the head */
GList *chunks;
- /* incomplete chunks are assembled here */
- GstRiffChunk *incomplete_chunk;
- guint32 incomplete_chunk_size;
+ /* incomplete chunks are assembled here */
+ GstRiffChunk *incomplete_chunk;
+ guint32 incomplete_chunk_size;
/* parse state */
gint state;
guint32 curoffset;
guint32 nextlikely;
- /* leftover data */
- guchar *dataleft;
- guint32 dataleft_size;
+ /* leftover data */
+ guchar *dataleft;
+ guint32 dataleft_size;
- /* callback function and data pointer */
- GstRiffCallback new_tag_found;
- gpointer callback_data;
+ /* callback function and data pointer */
+ GstRiffCallback new_tag_found;
+ gpointer callback_data;
};
struct _GstRiffChunk {
guint32 size;
guint32 form; /* for list chunks */
- gchar *data;
+ gchar *data;
};
-GstRiff *gst_riff_new(GstRiffCallback function, gpointer data);
-gint gst_riff_next_buffer(GstRiff *riff,GstBuffer *buf,gulong off);
+/* from gstriffparse.c */
+GstRiff *gst_riff_parser_new(GstRiffCallback function, gpointer data);
+gint gst_riff_parser_next_buffer(GstRiff *riff,GstBuffer *buf,gulong off);
+
+/* from gstriffencode.c */
+GstRiff *gst_riff_encoder_new(guint32 type);
+gint gst_riff_encoder_avih(GstRiff *riff, gst_riff_avih *head, gulong size);
+gint gst_riff_encoder_strh(GstRiff *riff, guint32 fcc_type, gst_riff_strh *head, gulong size);
+gint gst_riff_encoder_strf(GstRiff *riff, void *format, gulong size);
+gint gst_riff_encoder_chunk(GstRiff *riff, guint32 chunk_type, void *chunk, gulong size);
+GstBuffer *gst_riff_encoder_get_buffer(GstRiff *riff);
+GstBuffer *gst_riff_encoder_get_and_reset_buffer(GstRiff *riff);
+/* from gstriffutil.c */
gulong gst_riff_fourcc_to_id(gchar *fourcc);
gchar *gst_riff_id_to_fourcc(gulong id);
noinst_HEADERS = mem.h
-LDADD = $(GLIB_LIBS) $(GTK_LIBS) $(top_builddir)/gst/libgst.la \
- $(top_builddir)/plugins/videosink/libvideosink.la
+#LDADD = $(GLIB_LIBS) $(GTK_LIBS) $(top_builddir)/gst/libgst.la \
+# $(top_builddir)/plugins/videosink/libvideosink.la -L/usr/X11/lib -lXxf86dga
+LDADD = $(GLIB_LIBS) $(GTK_LIBS) $(top_builddir)/gst/libgst.la
+
INCLUDES = $(GLIB_CFLAGS) $(GTK_CFLAGS) -I$(top_srcdir) \
$(shell gnome-config --cflags gnomeui)
GstElement *audio_queue, *video_queue;
GstElement *audio_thread, *video_thread;
- GtkWidget *appwindow;
+ GtkWidget *appwindow;
g_print("***** a new pad %s was created\n", gst_pad_get_name(pad));
g_return_if_fail(show != NULL);
//gtk_object_set(GTK_OBJECT(show),"width",640, "height", 480,NULL);
- appwindow = gnome_app_new("AVI player","AVI player");
- gnome_app_set_contents(GNOME_APP(appwindow),
- gst_util_get_widget_arg(GTK_OBJECT(show),"widget"));
- gtk_widget_show_all(appwindow);
+ appwindow = gnome_app_new("AVI player","AVI player");
+ gnome_app_set_contents(GNOME_APP(appwindow),
+ gst_util_get_widget_arg(GTK_OBJECT(show),"widget"));
+ gtk_widget_show_all(appwindow);
// create the thread and pack stuff into it
video_thread = gst_thread_new("video_thread");
g_print("about to enter loop\n");
- while (1) {
- gst_src_push(GST_SRC(src));
- }
- // this does not work due to multithreading
- /*
- g_idle_add(idle_func,src);
+ while (1) {
+ gst_src_push(GST_SRC(src));
+ }
+ // this does not work due to multithreading
+ /*
+ g_idle_add(idle_func,src);
- gtk_main();
- */
+ gtk_main();
+ */
}
gboolean idle_func(gpointer data) {
- gst_src_push(GST_SRC(data));
- return TRUE;
+ gst_src_push(GST_SRC(data));
+ return TRUE;
}
int main(int argc,char *argv[]) {
int fd;
GstPipeline *pipeline;
- GstElement *audiosrc, *videosrc, *fdsink, *encoder;
- GstElementFactory *audiosrcfactory, *fdsinkfactory, *encoderfactory;
+ GstElement *audiosrc, *videosrc, *fdsink, *encoder, *compress;
+ GstElementFactory *audiosrcfactory, *fdsinkfactory, *encoderfactory, *compressfactory;
GstElementFactory *videosrcfactory;
GList *padlist;
gst_init(&argc,&argv);
- gst_plugin_load("v4lsrc");
- gst_plugin_load("aviencoder");
+ gst_plugin_load("v4lsrc");
+ gst_plugin_load("aviencoder");
+ gst_plugin_load("jpeg");
pipeline = gst_pipeline_new("pipeline");
audiosrc = gst_elementfactory_create(audiosrcfactory,"audiosrc");
videosrcfactory = gst_elementfactory_find("v4lsrc");
videosrc = gst_elementfactory_create(videosrcfactory,"videosrc");
+ compressfactory = gst_elementfactory_find("jpegenc");
+ compress = gst_elementfactory_create(compressfactory,"jpegenc");
encoderfactory = gst_elementfactory_find("aviencoder");
encoder = gst_elementfactory_create(encoderfactory,"aviencoder");
- gtk_object_set(GTK_OBJECT(videosrc),"width",120,"height",80,NULL);
+ gtk_object_set(GTK_OBJECT(videosrc),"width",256,"height",192,NULL);
+
+ gtk_object_set(GTK_OBJECT(encoder),"video","00:MJPG",NULL);
fd = open(argv[1],O_CREAT|O_RDWR|O_TRUNC);
/* connect src to sink */
gst_pad_connect(gst_element_get_pad(videosrc,"src"),
+ gst_element_get_pad(compress,"sink"));
+ gst_pad_connect(gst_element_get_pad(compress,"src"),
gst_element_get_pad(encoder,"video_00"));
gst_pad_connect(gst_element_get_pad(encoder,"src"),
gst_element_get_pad(fdsink,"sink"));
projects / platform / upstream / gstreamer.git / commitdiff