1
0
mirror of https://github.com/mpv-player/mpv synced 2024-12-16 03:45:23 +00:00

Allocate buffer for lzo compression correctly also for large frame sizes.

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@28910 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
reimar 2009-03-09 14:30:41 +00:00
parent 77195cf5c4
commit c9872edafe

View File

@ -24,8 +24,7 @@
#include "native/rtjpegn.h" #include "native/rtjpegn.h"
#define LZO_AL(size) (((size) + (sizeof(long) - 1)) / sizeof(long)) #define LZO_AL(size) (((size) + (sizeof(long) - 1)) / sizeof(long))
#define LZO_IN_LEN (1024*1024L) #define LZO_OUT_LEN(in) ((in) + (in) / 64 + 16 + 3)
#define LZO_OUT_LEN (LZO_IN_LEN + LZO_IN_LEN / 64 + 16 + 3)
//===========================================================================// //===========================================================================//
@ -85,6 +84,8 @@ static int config(struct vf_instance_s* vf,
mux_v->bih->biSizeImage=mux_v->bih->biWidth*mux_v->bih->biHeight*(mux_v->bih->biBitCount/8); mux_v->bih->biSizeImage=mux_v->bih->biWidth*mux_v->bih->biHeight*(mux_v->bih->biBitCount/8);
mux_v->aspect = (float)d_width/d_height; mux_v->aspect = (float)d_width/d_height;
vf->priv->buffer = realloc(vf->priv->buffer,vf->priv->buf_size); vf->priv->buffer = realloc(vf->priv->buffer,vf->priv->buf_size);
if (vf->priv->lzo)
vf->priv->zbuffer = realloc(vf->priv->zbuffer, FRAMEHEADERSIZE + LZO_OUT_LEN(vf->priv->buf_size));
vf->priv->tbl_wrote = 0; vf->priv->tbl_wrote = 0;
return 1; return 1;
@ -218,8 +219,7 @@ static int vf_open(vf_instance_t *vf, char* args){
if(lzo_init() != LZO_E_OK) { if(lzo_init() != LZO_E_OK) {
mp_msg(MSGT_VFILTER,MSGL_WARN,"LZO init failed: no lzo compression\n"); mp_msg(MSGT_VFILTER,MSGL_WARN,"LZO init failed: no lzo compression\n");
vf->priv->lzo = 0; vf->priv->lzo = 0;
} } else
vf->priv->zbuffer = (lzo_bytep)malloc(FRAMEHEADERSIZE + LZO_OUT_LEN);
vf->priv->zmem = malloc(sizeof(long)*LZO_AL(LZO1X_1_MEM_COMPRESS)); vf->priv->zmem = malloc(sizeof(long)*LZO_AL(LZO1X_1_MEM_COMPRESS));
} }