[MPlayer-dev-eng] vo_gl PBO patch ..
Reimar Döffinger
Reimar.Doeffinger at stud.uni-karlsruhe.de
Tue May 6 21:45:29 CEST 2008
On Tue, May 06, 2008 at 08:53:21AM +0200, Reimar Döffinger wrote:
> On Tue, May 06, 2008 at 04:44:30AM +0400, Vladimir Mosgalin wrote:
> > I've found a strange video which produces very distorted picture with
> > -vo gl:yuv=2:force-pbo. -vo gl, gl:yuv=<anything> and gl:force-pbo work
> > fine, but combination of yuv and force-pbo options produces strange
> > result. Adding -noslices changes distortion a bit, but doesn't solve it.
>
> Oh, sorry, you are using a buggy version anyway.
> Try attached patch, I don't know if it will help though.
> Also note that in latest SVN -vo gl supports -dr for B-frames (in
> MPEG2/4), which might help quite a bit if you have videos in that
> format.
Sorry, that patch was broken. Attached patch works. I could not
reproduce your problems with this version, and the first version
crashed for me for quite a lot of files, but I had no corruption.
So no idea if it fixes everything...
Greetings,
Reimar Döffinger
-------------- next part --------------
Index: libvo/vo_gl.c
===================================================================
--- libvo/vo_gl.c (revision 26675)
+++ libvo/vo_gl.c (working copy)
@@ -16,6 +16,7 @@
#ifdef HAVE_NEW_GUI
#include "gui/interface.h"
#endif
+#include "fastmemcpy.h"
#include "libass/ass.h"
#include "libass/ass_mp.h"
@@ -81,6 +82,7 @@
static uint32_t image_format;
static int many_fmts;
static int use_glFinish;
+static int force_pbo;
static int swap_interval;
static GLenum gl_target;
static GLint gl_texfmt;
@@ -704,10 +706,24 @@
static uint32_t draw_image(mp_image_t *mpi) {
int slice = slice_height;
- int stride[3] = {mpi->stride[0], mpi->stride[1], mpi->stride[2]};
- unsigned char *planes[3] = {mpi->planes[0], mpi->planes[1], mpi->planes[2]};
+ int stride[3];
+ unsigned char *planes[3];
+ mp_image_t mpi2 = *mpi;
if (mpi->flags & MP_IMGFLAG_DRAW_CALLBACK)
return VO_TRUE;
+ mpi2.flags = 0; mpi2.type = MP_IMGTYPE_TEMP;
+ mpi2.width = mpi2.w; mpi2.height = mpi2.h;
+ if (force_pbo && !(mpi->flags & MP_IMGFLAG_DIRECT) && !gl_bufferptr && get_image(&mpi2) == VO_TRUE) {
+ int bpp = mpi->imgfmt == IMGFMT_YV12 ? 1 : mpi->bpp;
+ memcpy_pic(mpi2.planes[0], mpi->planes[0], mpi->w * bpp, mpi->h, mpi2.stride[0], mpi->stride[0]);
+ if (mpi->imgfmt == IMGFMT_YV12) {
+ memcpy_pic(mpi2.planes[1], mpi->planes[1], mpi->w >> 1, mpi->h >> 1, mpi2.stride[1], mpi->stride[1]);
+ memcpy_pic(mpi2.planes[2], mpi->planes[2], mpi->w >> 1, mpi->h >> 1, mpi2.stride[2], mpi->stride[2]);
+ }
+ mpi = &mpi2;
+ }
+ stride[0] = mpi->stride[0]; stride[1] = mpi->stride[1]; stride[2] = mpi->stride[2];
+ planes[0] = mpi->planes[0]; planes[1] = mpi->planes[1]; planes[2] = mpi->planes[2];
mpi_flipped = (stride[0] < 0);
if (mpi->flags & MP_IMGFLAG_DIRECT) {
intptr_t base = (intptr_t)planes[0];
@@ -790,6 +806,7 @@
{"lscale", OPT_ARG_INT, &lscale, (opt_test_f)int_non_neg},
{"cscale", OPT_ARG_INT, &cscale, (opt_test_f)int_non_neg},
{"glfinish", OPT_ARG_BOOL, &use_glFinish, NULL},
+ {"force-pbo", OPT_ARG_BOOL, &force_pbo, NULL},
{"swapinterval", OPT_ARG_INT, &swap_interval,NULL},
{"customprog", OPT_ARG_MSTRZ,&custom_prog, NULL},
{"customtex", OPT_ARG_MSTRZ,&custom_tex, NULL},
@@ -811,6 +828,7 @@
cscale = 0;
use_rectangle = 0;
use_glFinish = 0;
+ force_pbo = 0;
swap_interval = 1;
slice_height = 0;
custom_prog = NULL;
@@ -835,6 +853,8 @@
" 0: use power-of-two textures\n"
" 1: use texture_rectangle\n"
" 2: use texture_non_power_of_two\n"
+ " force-pbo\n"
+ " Force use of PBO even if this involves an extra memcpy\n"
" glfinish\n"
" Call glFinish() before swapping buffers\n"
" swapinterval=<n>\n"
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