[Mplayer-cvslog] CVS: main/libvo vo_gif89a.c,NONE,1.1 video_out.c,1.49,1.50
Arpi of Ize
arpi at mplayerhq.hu
Sun May 12 03:07:27 CEST 2002
Update of /cvsroot/mplayer/main/libvo
In directory mail:/var/tmp.root/cvs-serv4956/libvo
Modified Files:
video_out.c
Added Files:
vo_gif89a.c
Log Message:
-vo gif - by Joey Parrish <joey at yunamusic.com>
--- NEW FILE ---
/*
* vo_gif89a.c Generate gif89a output in file out.gif
*
* Originally based on vo_png.c
*
* Stolen (C) 2002 by GifWhore <joey at yunamusic.com>
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include "config.h"
#include "video_out.h"
#include "video_out_internal.h"
#include "../postproc/rgb2rgb.h"
#include <gif_lib.h>
#define GIFWHORE_version 0.90
LIBVO_EXTERN (gif89a)
static vo_info_t vo_info =
{
"GIF89a (out.gif)",
"gif89a",
"GifWhore <joey at yunamusic.com>",
""
};
extern int verbose;
extern int vo_config_count;
static int image_width;
static int image_height;
static int image_format;
static uint8_t *image_data=NULL;
static unsigned int scale_srcW = 0, scale_srcH = 0;
static int reverse_map = 0;
static unsigned char framenum = 0;
static int gif_frameskip;
static int gif_framedelay;
static int target_fps = 0;
GifFileType *newgif=NULL;
/*
* TODO
* OSD!!!
*/
static uint32_t config
(uint32_t width, uint32_t height, uint32_t d_width, uint32_t d_height,
uint32_t fullscreen, char *title, uint32_t format, const vo_tune_info_t *info) {
char filename[] = "out.gif";
ColorMapObject *Cmap;
char LB[] = {
'N','E','T','S',
'C','A','P','E',
'2','.','0' };
char LB2[] = { 1, 0x00, 0x00 };
if (target_fps == 0) target_fps = 5;
gif_frameskip = (vo_fps + 0.25) / target_fps;
gif_framedelay = 100 / target_fps;
if ((width != d_width) || (height != d_height)) {
image_width = (d_width + 7) & ~7;
image_height = d_height;
scale_srcW = width;
scale_srcH = height;
SwScale_Init();
} else {
image_width = width;
image_height = height;
}
image_format = format;
Cmap = MakeMapObject(256, NULL);
switch(format) {
case IMGFMT_BGR32:
case IMGFMT_BGR24:
reverse_map = 1;
break;
case IMGFMT_RGB32:
case IMGFMT_RGB24:
break;
case IMGFMT_IYUV:
case IMGFMT_I420:
case IMGFMT_YV12:
reverse_map = 1;
yuv2rgb_init(24, MODE_RGB);
image_data = malloc(image_width*image_height*3);
break;
default:
return 1;
}
if (vo_config_count > 0)
return 0;
EGifSetGifVersion("89a");
newgif = EGifOpenFileName(filename, 0);
if (newgif == NULL)
{
fprintf(stderr, "error opening file for output.\n");
return(1);
}
EGifPutScreenDesc(newgif, image_width, image_height, 256, 0, Cmap);
EGifPutExtensionFirst(newgif, 0xFF, 11, LB);
EGifPutExtensionLast(newgif, 0, 3, LB2);
return 0;
}
static const vo_info_t* get_info(void)
{
return &vo_info;
}
static uint32_t draw_frame(uint8_t * src[])
{
uint8_t *use_data;
ColorMapObject *Cmap;
uint8_t Colors[256 * 3];
int z;
char CB[] = { (char)(gif_framedelay >> 8), (char)(gif_framedelay & 0xff), 0, 0};
if ((framenum++ % gif_frameskip)) return(0);
if ((image_format == IMGFMT_BGR32) || (image_format == IMGFMT_RGB32))
{
rgb32to24(src[0], image_data, image_width * image_height * 4);
src[0] = image_data;
}
Cmap = MakeMapObject(256, NULL);
use_data = (uint8_t *)malloc(image_width * image_height);
if (gif_reduce(image_width, image_height, src[0], use_data, Colors)) return(0);
if (reverse_map)
{
for (z = 0; z < 256; z++) {
Cmap->Colors[z].Blue = Colors[(z * 3) + 0];
Cmap->Colors[z].Green = Colors[(z * 3) + 1];
Cmap->Colors[z].Red = Colors[(z * 3) + 2];
}
}
else
{
for (z = 0; z < 256; z++) {
Cmap->Colors[z].Red = Colors[(z * 3) + 0];
Cmap->Colors[z].Green = Colors[(z * 3) + 1];
Cmap->Colors[z].Blue = Colors[(z * 3) + 2];
}
}
EGifPutExtension(newgif, 0xF9, 0x04, CB);
EGifPutImageDesc(newgif, 0, 0, image_width, image_height, 0, Cmap);
EGifPutLine(newgif, use_data, image_width * image_height);
FreeMapObject(Cmap);
free(use_data);
return (0);
}
static void draw_osd(void)
{
}
static void flip_page (void)
{
uint8_t *use_data;
ColorMapObject *Cmap;
uint8_t Colors[256 * 3];
int z;
char CB[] = { (char)(gif_framedelay >> 8), (char)(gif_framedelay & 0xff), 0, 0};
if ((image_format == IMGFMT_YV12) || (image_format == IMGFMT_IYUV) || (image_format == IMGFMT_I420)) {
if ((framenum++ % gif_frameskip)) return;
Cmap = MakeMapObject(256, NULL);
use_data = (uint8_t *)malloc(image_width * image_height);
if (gif_reduce(image_width, image_height, image_data, use_data, Colors)) return;
if (reverse_map)
{
for (z = 0; z < 256; z++) {
Cmap->Colors[z].Blue = Colors[(z * 3) + 0];
Cmap->Colors[z].Green = Colors[(z * 3) + 1];
Cmap->Colors[z].Red = Colors[(z * 3) + 2];
}
}
else
{
for (z = 0; z < 256; z++) {
Cmap->Colors[z].Red = Colors[(z * 3) + 0];
Cmap->Colors[z].Green = Colors[(z * 3) + 1];
Cmap->Colors[z].Blue = Colors[(z * 3) + 2];
}
}
EGifPutExtension(newgif, 0xF9, 0x04, CB);
EGifPutImageDesc(newgif, 0, 0, image_width, image_height, 0, Cmap);
EGifPutLine(newgif, use_data, image_width * image_height);
FreeMapObject(Cmap);
free(use_data);
}
}
static uint32_t draw_slice( uint8_t *src[],int stride[],int w,int h,int x,int y )
{
/* hack: swap planes for I420 ;) -- alex */
if ((image_format == IMGFMT_IYUV) || (image_format == IMGFMT_I420))
{
uint8_t *src_i420[3];
src_i420[0] = src[0];
src_i420[1] = src[2];
src_i420[2] = src[1];
src = src_i420;
}
if (scale_srcW) {
uint8_t *dst[3] = {image_data, NULL, NULL};
SwScale_YV12slice(src,stride,y,h,
dst, image_width*3, 24,
scale_srcW, scale_srcH, image_width, image_height);
} else {
uint8_t *dst = image_data + (image_width * y + x) * 3;
yuv2rgb(dst,src[0],src[1],src[2],w,h,image_width*3,stride[0],stride[1]);
}
return 0;
}
static uint32_t
query_format(uint32_t format)
{
switch(format){
case IMGFMT_IYUV:
case IMGFMT_I420:
case IMGFMT_YV12:
case IMGFMT_RGB|32:
case IMGFMT_BGR|32:
case IMGFMT_RGB|24:
case IMGFMT_BGR|24:
return 1 | VFCAP_SWSCALE | VFCAP_TIMER | VFCAP_ACCEPT_STRIDE;
}
return 0;
}
static void
uninit(void)
{
char temp[256];
if (image_data) { free(image_data); image_data=NULL; }
if (vo_config_count > 0) {
sprintf(temp, "gifwhore v%2.2f (c) %s\r\n",
GIFWHORE_version, "joey at yunamusic.com");
EGifPutComment(newgif, temp);
EGifCloseFile(newgif);
}
}
static void check_events(void)
{
}
int gif_reduce(int width, int height,
unsigned char *source,
unsigned char *destination,
unsigned char *palette)
{
GifColorType cmap[256];
unsigned char Ra[width * height];
unsigned char Ga[width * height];
unsigned char Ba[width * height];
unsigned char *R, *G, *B;
int Size = 256;
int i;
R = Ra; G = Ga; B = Ba;
for (i = 0; i < width * height; i++)
{
*R++ = *source++;
*G++ = *source++;
*B++ = *source++;
}
R = Ra; G = Ga; B = Ba;
if (QuantizeBuffer(width, height, &Size,
R, G, B,
destination, cmap) == GIF_ERROR)
{
fprintf(stderr, "vo_gif89a: Quantize failed!\n");
return(-1);
}
for (i = 0; i < Size; i++)
{
*palette++ = cmap[i].Red;
*palette++ = cmap[i].Green;
*palette++ = cmap[i].Blue;
}
return(0);
}
static uint32_t preinit(const char *arg)
{
int i = 0;
if (arg) i = atoi(arg);
if (i > vo_fps) i = vo_fps;
if (i < 1) i = 5;
target_fps = i;
return 0;
}
static uint32_t control(uint32_t request, void *data, ...)
{
switch (request) {
case VOCTRL_QUERY_FORMAT:
return query_format(*((uint32_t*)data));
}
return VO_NOTIMPL;
}
Index: video_out.c
===================================================================
RCS file: /cvsroot/mplayer/main/libvo/video_out.c,v
retrieving revision 1.49
retrieving revision 1.50
diff -u -r1.49 -r1.50
--- video_out.c 16 Apr 2002 11:21:59 -0000 1.49
+++ video_out.c 12 May 2002 01:07:25 -0000 1.50
@@ -103,6 +103,9 @@
#ifdef HAVE_JPEG
extern vo_functions_t video_out_jpeg;
#endif
+#ifdef HAVE_GIF
+extern vo_functions_t video_out_gif89a;
+#endif
#ifdef HAVE_VESA
extern vo_functions_t video_out_vesa;
#endif
@@ -169,6 +172,9 @@
#endif
#ifdef HAVE_JPEG
&video_out_jpeg,
+#endif
+#ifdef HAVE_GIF
+ &video_out_gif89a,
#endif
&video_out_null,
// &video_out_odivx,
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