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Code Issues Releases Wiki Activity

divx.dll o_bih workaround, postprocessing support

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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@2088 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
arpi 2001-10-05 00:08:58 +00:00
parent d6e14e8c5f
commit 0898f2141a
3 changed files with 33 additions and 4 deletions
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11
dec_video.c
View File

@ -95,6 +95,11 @@ void convert_linux(unsigned char *puc_y, int stride_y,
int get_video_quality_max(sh_video_t *sh_video){
switch(sh_video->codec->driver){
#ifdef USE_WIN32DLL
case VFM_VFW:
case VFM_VFWEX:
return 6;
#endif
#ifdef USE_DIRECTSHOW
case VFM_DSHOW:
return 4;
@ -111,6 +116,12 @@ int get_video_quality_max(sh_video_t *sh_video){
void set_video_quality(sh_video_t *sh_video,int quality){
switch(sh_video->codec->driver){
#ifdef USE_WIN32DLL
case VFM_VFW:
case VFM_VFWEX:
vfw_set_postproc(sh_video,10*quality);
break;
#endif
#ifdef USE_DIRECTSHOW
case VFM_DSHOW: {
if(quality<0 || quality>4) quality=4;

25
dll_init.c
View File

@ -23,6 +23,8 @@
#include "libvo/img_format.h"
#include "linux/shmem.h"
extern int divx_quality;
// ACM audio and VfW video codecs initialization
// based on the avifile library [http://divx.euro.ru]
@ -141,12 +143,12 @@ int acm_decode_audio(sh_audio_t *sh_audio, void* a_buffer,int minlen,int maxlen)
return len;
}
int init_vfw_video_codec(sh_video_t *sh_video,int ex){
HRESULT ret;
int yuv=0;
unsigned int outfmt=sh_video->codec->outfmt[sh_video->outfmtidx];
unsigned char temp[1024];
int i;
mp_msg(MSGT_WIN32,MSGL_V,"======= Win32 (VFW) VIDEO Codec init =======\n");
@ -163,13 +165,21 @@ int init_vfw_video_codec(sh_video_t *sh_video,int ex){
// sh_video->bih.biBitCount=32;
ret = ICDecompressGetFormat(sh_video->hic, sh_video->bih, &sh_video->o_bih);
// Note: DivX.DLL overwrites 4 bytes _AFTER_ the o_bih header, so it corrupts
// the sh_video struct content. We call it with an 1024-byte temp space and
// then copy out the data we need:
memset(temp,0x77,1024);
ret = ICDecompressGetFormat(sh_video->hic, sh_video->bih, temp);
if(ret){
mp_msg(MSGT_WIN32,MSGL_ERR,"ICDecompressGetFormat failed: Error %d\n", (int)ret);
return 0;
}
mp_msg(MSGT_WIN32,MSGL_V,"ICDecompressGetFormat OK\n");
memcpy(&sh_video->o_bih,temp,sizeof(sh_video->o_bih));
// for(i=0;i<1024;i++) printf("%02X ",temp[i]);
// printf("ICM_DECOMPRESS_QUERY=0x%X",ICM_DECOMPRESS_QUERY);
// sh_video->o_bih.biWidth=sh_video->bih.biWidth;
@ -292,11 +302,18 @@ int init_vfw_video_codec(sh_video_t *sh_video,int ex){
sh_video->o_bih.biCompression = outfmt;
// avi_header.our_in_buffer=malloc(avi_header.video.dwSuggestedBufferSize); // FIXME!!!!
ICSendMessage(sh_video->hic, ICM_USER+80, (long)(&divx_quality) ,NULL);
mp_msg(MSGT_WIN32,MSGL_V,"VIDEO CODEC Init OK!!! ;-)\n");
return 1;
}
int vfw_set_postproc(sh_video_t* sh_video,int quality){
// Works only with opendivx/divx4 based DLL
return ICSendMessage(sh_video->hic, ICM_USER+80, (long)(&quality) ,NULL);
}
int vfw_decode_video(sh_video_t* sh_video,void* start,int in_size,int drop_frame,int ex){
HRESULT ret;

1
dll_init.h
View File

@ -8,3 +8,4 @@ int acm_decode_audio(sh_audio_t *sh_audio, void* a_buffer,int minlen,int maxlen)
int init_vfw_video_codec(sh_video_t *sh_video,int ex);
int vfw_decode_video(sh_video_t* sh_video,void* start,int in_size,int drop_frame,int ex);
int vfw_set_postproc(sh_video_t* sh_video,int quality);