[MPlayer-dev-eng] Patch: Improved raw encoding support in mencoder
Fredrik Kuivinen
freku045 at student.liu.se
Wed Jan 30 23:53:40 CET 2002
Hi
This patch is better. It don't touch -ovc raw at all. It adds a new video encoder
called rawrgb instead which produces avi files with raw rgb data which virtualdub
and xanim can play (but not mplayer).
/ Fredrik Kuivinen
-------------- next part --------------
Index: cfg-mencoder.h
===================================================================
RCS file: /cvsroot/mplayer/main/cfg-mencoder.h,v
retrieving revision 1.24
diff -u -3 -p -d -b -r1.24 cfg-mencoder.h
--- cfg-mencoder.h 29 Jan 2002 16:27:21 -0000 1.24
+++ cfg-mencoder.h 30 Jan 2002 18:32:30 -0000
@@ -73,7 +73,8 @@ struct config ovc_conf[]={
{"raw", &out_video_codec, CONF_TYPE_FLAG, 0, 0, VCODEC_RAW, NULL},
{"lavc", &out_video_codec, CONF_TYPE_FLAG, 0, 0, VCODEC_LIBAVCODEC, NULL},
{"null", &out_video_codec, CONF_TYPE_FLAG, 0, 0, VCODEC_NULL, NULL},
- {"help", "\nAvailable codecs:\n copy\n frameno\n divx4\n raw\n lavc\n null\n\n", CONF_TYPE_PRINT, CONF_NOCFG, 0, 0, NULL},
+ {"rawrgb", &out_video_codec, CONF_TYPE_FLAG, 0, 0, VCODEC_RAWRGB, NULL},
+ {"help", "\nAvailable codecs:\n copy\n frameno\n divx4\n raw\n lavc\n rawrgb\n null\n\n", CONF_TYPE_PRINT, CONF_NOCFG, 0, 0, NULL},
{NULL, NULL, 0, 0, 0, 0, NULL}
};
Index: mencoder.c
===================================================================
RCS file: /cvsroot/mplayer/main/mencoder.c,v
retrieving revision 1.76
diff -u -3 -p -d -b -r1.76 mencoder.c
--- mencoder.c 29 Jan 2002 16:27:21 -0000 1.76
+++ mencoder.c 30 Jan 2002 18:32:30 -0000
@@ -4,6 +4,7 @@
#define VCODEC_RAW 3
#define VCODEC_LIBAVCODEC 4
#define VCODEC_NULL 5
+#define VCODEC_RAWRGB 6
#define ACODEC_COPY 0
#define ACODEC_PCM 1
@@ -46,6 +47,8 @@ static char* banner_text=
#include "dec_audio.h"
#include "dec_video.h"
+#include "postproc/rgb2rgb.h"
+
#ifdef HAVE_DIVX4ENCORE
#include <encore2.h>
#include "divx4_vbr.h"
@@ -192,6 +195,7 @@ static int cfg_include(struct config *co
}
static int parse_end_at(struct config *conf, const char* param);
+static uint8_t* flip_upside_down(uint8_t* dst, const uint8_t* src, int width, int height);
#include "get_path.c"
@@ -520,12 +524,20 @@ mp_msg(MSGT_MENCODER,MSGL_INFO,"%s video
for(i=0;i<CODECS_MAX_OUTFMT;i++){
out_fmt=sh_video->codec->outfmt[i];
if(out_fmt==0xFFFFFFFF) continue;
- if(IMGFMT_IS_RGB(out_fmt) || IMGFMT_IS_BGR(out_fmt)) break;
+
+ if(IMGFMT_IS_RGB(out_fmt)) break;
if(out_fmt==IMGFMT_YV12) break;
+
+ if(out_video_codec == VCODEC_RAWRGB) {
+ if(IMGFMT_IS_BGR(out_fmt) && IMGFMT_BGR_DEPTH(out_fmt) == 32) break;
+ }
+ else {
+ if(IMGFMT_IS_BGR(out_fmt)) break;
if(out_fmt==IMGFMT_I420) break;
if(out_fmt==IMGFMT_IYUV) break;
if(out_fmt==IMGFMT_YUY2) break;
if(out_fmt==IMGFMT_UYVY) break;
+ }
}
if(i>=CODECS_MAX_OUTFMT){
mp_msg(MSGT_MENCODER,MSGL_FATAL,MSGTR_VOincompCodec);
@@ -674,6 +686,31 @@ case VCODEC_RAW:
mux_v->bih->biWidth, mux_v->bih->biHeight,
mux_v->bih->biBitCount, mux_v->bih->biCompression);
break;
+case VCODEC_RAWRGB:
+ mux_v->bih=malloc(sizeof(BITMAPINFOHEADER));
+ mux_v->bih->biSize=sizeof(BITMAPINFOHEADER);
+ mux_v->bih->biWidth=sh_video->disp_w;
+ mux_v->bih->biHeight=sh_video->disp_h;
+ mux_v->bih->biCompression=0;
+ mux_v->bih->biPlanes=1;
+
+ if(IMGFMT_IS_RGB(out_fmt))
+ mux_v->bih->biBitCount = IMGFMT_RGB_DEPTH(out_fmt);
+ else if(IMGFMT_IS_BGR(out_fmt))
+ mux_v->bih->biBitCount = IMGFMT_BGR_DEPTH(out_fmt);
+ else {
+ mux_v->bih->biBitCount = 24;
+ yuv2rgb_init(24, MODE_BGR);
+ }
+
+ if(mux_v->bih->biBitCount == 32)
+ mux_v->bih->biBitCount = 24;
+
+ mux_v->bih->biSizeImage=mux_v->bih->biWidth*mux_v->bih->biHeight*(mux_v->bih->biBitCount/8);
+ printf("videocodec: rawrgb (%dx%d %dbpp fourcc=%x)\n",
+ mux_v->bih->biWidth, mux_v->bih->biHeight,
+ mux_v->bih->biBitCount, mux_v->bih->biCompression);
+ break;
case VCODEC_FRAMENO:
mux_v->bih=malloc(sizeof(BITMAPINFOHEADER));
mux_v->bih->biSize=sizeof(BITMAPINFOHEADER);
@@ -862,6 +899,7 @@ aviwrite_write_header(muxer,muxer_f);
switch(mux_v->codec){
case VCODEC_COPY:
case VCODEC_RAW:
+case VCODEC_RAWRGB:
case VCODEC_NULL:
break;
case VCODEC_FRAMENO:
@@ -1277,6 +1315,57 @@ case VCODEC_COPY:
mux_v->buffer=start;
if(skip_flag<=0) aviwrite_write_chunk(muxer,mux_v,muxer_f,in_size,(sh_video->ds->flags&1)?0x10:0);
break;
+case VCODEC_RAWRGB:
+ {
+ static uint8_t* raw_rgb_buffer = NULL;
+ static uint8_t* raw_rgb_buffer2 = NULL;
+
+ if(!raw_rgb_buffer) {
+ raw_rgb_buffer = malloc(vo_w*vo_h*4);
+ raw_rgb_buffer2 = malloc(vo_w*vo_h*4);
+ }
+
+ blit_frame=decode_video(&video_out,sh_video,start,in_size,0);
+ if(skip_flag>0) break;
+ if(!blit_frame){
+ // empty.
+ aviwrite_write_chunk(muxer,mux_v,muxer_f,0,0);
+ break;
+ }
+
+ /* Uncompressed avi files store rgb data with the top most row last so we
+ * have to flip the frames. */
+ if(IMGFMT_IS_BGR(out_fmt)) {
+ if(IMGFMT_BGR_DEPTH(out_fmt) == 32) {
+ rgb32to24(vo_image_ptr, raw_rgb_buffer, vo_w*vo_h*4);
+ mux_v->buffer = flip_upside_down(raw_rgb_buffer, raw_rgb_buffer,
+ vo_w*3, vo_h);
+ }
+ else
+ mux_v->buffer = flip_upside_down(raw_rgb_buffer, vo_image_ptr,
+ vo_w*3, vo_h);
+ }
+ else if(IMGFMT_IS_RGB(out_fmt)) {
+ if(IMGFMT_RGB_DEPTH(out_fmt) == 32) {
+ rgb32tobgr32(vo_image_ptr, raw_rgb_buffer2, vo_w*vo_h*4);
+ rgb32to24(raw_rgb_buffer2, raw_rgb_buffer, vo_w*vo_h*4);
+ mux_v->buffer = flip_upside_down(raw_rgb_buffer, raw_rgb_buffer,
+ vo_w*3, vo_h);
+ }
+ else
+ mux_v->buffer = flip_upside_down(raw_rgb_buffer, vo_image_ptr,
+ vo_w*3, vo_h);
+ }
+ else {
+ yuv2rgb(raw_rgb_buffer, vo_image_ptr, vo_image_ptr + vo_w*vo_h*5/4,
+ vo_image_ptr + vo_w*vo_h, vo_w, vo_h, vo_w*24/8, vo_w, vo_w/2);
+ mux_v->buffer = flip_upside_down(raw_rgb_buffer, raw_rgb_buffer,
+ vo_w*3, vo_h);
+ }
+
+ aviwrite_write_chunk(muxer,mux_v,muxer_f, vo_w*vo_h*3, 0x10);
+ }
+ break;
case VCODEC_RAW:
blit_frame=decode_video(&video_out,sh_video,start,in_size,0);
if(skip_flag>0) break;
@@ -1440,7 +1529,7 @@ if(sh_audio && !demuxer2){
(p>0.001) ? (int)(ftell(muxer_f)/p/1024/1024) : 0,
v_pts_corr,
(mux_v->timer>1) ? (int)(mux_v->size/mux_v->timer/125) : 0,
- (mux_a->timer>1) ? (int)(mux_a->size/mux_a->timer/125) : 0
+ (mux_a && mux_a->timer>1) ? (int)(mux_a->size/mux_a->timer/125) : 0
);
#endif
}
@@ -1540,4 +1629,22 @@ static int parse_end_at(struct config *c
return ERR_FUNC_ERR;
return 1;
+}
+
+/* Flip the image in src and store the result in dst. src and dst may overlap.
+ width is the size of each line in bytes. */
+static uint8_t* flip_upside_down(uint8_t* dst, const uint8_t* src, int width,
+ int height)
+{
+ uint8_t* tmp = malloc(width);
+ int i;
+
+ for(i = 0; i < height/2; i++) {
+ memcpy(tmp, &src[i*width], width);
+ memcpy(&dst[i * width], &src[(height - i) * width], width);
+ memcpy(&dst[(height - i) * width], tmp, width);
+ }
+
+ free(tmp);
+ return dst;
}
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