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Code Issues Releases Wiki Activity

dlopen() support for ad and vd

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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@8153 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
alex 2002-11-11 17:28:41 +00:00
parent 3bc5ffa8f8
commit 7ea0933b9e
3 changed files with 87 additions and 0 deletions
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41
libmpcodecs/dec_audio.c
View File

@ -18,6 +18,10 @@
#include "../libaf/af.h"
#ifdef DYNAMIC_PLUGINS
#include <dlfcn.h>
#endif
#ifdef USE_FAKE_MONO
int fakemono=0;
#endif
@ -147,6 +151,39 @@ int init_audio(sh_audio_t *sh_audio,char* codecname,char* afm,int status){
for (i=0; mpcodecs_ad_drivers[i] != NULL; i++)
if(!strcmp(mpcodecs_ad_drivers[i]->info->short_name,sh_audio->codec->drv)) break;
mpadec=mpcodecs_ad_drivers[i];
#ifdef DYNAMIC_PLUGINS
if (!mpadec)
{
/* try to open shared decoder plugin */
int buf_len;
char *buf;
ad_functions_t *funcs_sym;
ad_info_t *info_sym;
buf_len = strlen(LIBDIR)+strlen(sh_audio->codec->drv)+16;
buf = malloc(buf_len);
if (!buf)
break;
snprintf(buf, buf_len, "%s/mplayer/ad_%s.so", LIBDIR, sh_audio->codec->drv);
mp_msg(MSGT_DECAUDIO, MSGL_DBG2, "Trying to open external plugin: %s\n", buf);
sh_audio->dec_handle = dlopen(buf, RTLD_LAZY);
if (!sh_audio->dec_handle)
break;
snprintf(buf, buf_len, "mpcodecs_ad_%s", sh_audio->codec->drv);
funcs_sym = dlsym(sh_audio->dec_handle, buf);
if (!funcs_sym || !funcs_sym->info || !funcs_sym->preinit ||
!funcs_sym->init || !funcs_sym->uninit || !funcs_sym->control ||
!funcs_sym->decode_audio)
break;
info_sym = funcs_sym->info;
if (strcmp(info_sym->short_name, sh_audio->codec->drv))
break;
free(buf);
mpadec = funcs_sym;
mp_msg(MSGT_DECAUDIO, MSGL_V, "Using external decoder plugin (%s/mplayer/ad_%s.so)!\n",
LIBDIR, sh_audio->codec->drv);
}
#endif
if(!mpadec){ // driver not available (==compiled in)
mp_msg(MSGT_DECAUDIO,MSGL_ERR,MSGTR_AudioCodecFamilyNotAvailableStr,
sh_audio->codec->name, sh_audio->codec->drv);
@ -225,6 +262,10 @@ void uninit_audio(sh_audio_t *sh_audio)
if(sh_audio->inited){
mp_msg(MSGT_DECAUDIO,MSGL_V,MSGTR_UninitAudioStr,sh_audio->codec->drv);
mpadec->uninit(sh_audio);
#ifdef DYNAMIC_PLUGINS
if (sh_audio->dec_handle)
dlclose(sh_audio->dec_handle);
#endif
sh_audio->inited=0;
}
if(sh_audio->a_out_buffer!=sh_audio->a_buffer) free(sh_audio->a_out_buffer);

40
libmpcodecs/dec_video.c
View File

@ -28,6 +28,10 @@
#include "dec_video.h"
#ifdef DYNAMIC_PLUGINS
#include <dlfcn.h>
#endif
// ===================================================================
extern double video_time_usage;
@ -134,6 +138,10 @@ void uninit_video(sh_video_t *sh_video){
if(!sh_video->inited) return;
mp_msg(MSGT_DECVIDEO,MSGL_V,MSGTR_UninitVideoStr,sh_video->codec->drv);
mpvdec->uninit(sh_video);
#ifdef DYNAMIC_PLUGINS
if (sh_video->dec_handle)
dlclose(sh_video->dec_handle);
#endif
vf_uninit_filter_chain(sh_video->vfilter);
sh_video->inited=0;
}
@ -172,6 +180,38 @@ int init_video(sh_video_t *sh_video,char* codecname,char* vfm,int status){
// if(mpcodecs_vd_drivers[i]->info->id==sh_video->codec->driver) break;
if(!strcmp(mpcodecs_vd_drivers[i]->info->short_name,sh_video->codec->drv)) break;
mpvdec=mpcodecs_vd_drivers[i];
#ifdef DYNAMIC_PLUGINS
if (!mpvdec)
{
/* try to open shared decoder plugin */
int buf_len;
char *buf;
vd_functions_t *funcs_sym;
vd_info_t *info_sym;
buf_len = strlen(LIBDIR)+strlen(sh_video->codec->drv)+16;
buf = malloc(buf_len);
if (!buf)
break;
snprintf(buf, buf_len, "%s/mplayer/vd_%s.so", LIBDIR, sh_video->codec->drv);
mp_msg(MSGT_DECVIDEO, MSGL_DBG2, "Trying to open external plugin: %s\n", buf);
sh_video->dec_handle = dlopen(buf, RTLD_LAZY);
if (!sh_video->dec_handle)
break;
snprintf(buf, buf_len, "mpcodecs_vd_%s", sh_video->codec->drv);
funcs_sym = dlsym(sh_video->dec_handle, buf);
if (!funcs_sym || !funcs_sym->info || !funcs_sym->init ||
!funcs_sym->uninit || !funcs_sym->control || !funcs_sym->decode)
break;
info_sym = funcs_sym->info;
if (strcmp(info_sym->short_name, sh_video->codec->drv))
break;
free(buf);
mpvdec = funcs_sym;
mp_msg(MSGT_DECVIDEO, MSGL_V, "Using external decoder plugin (%s/mplayer/vd_%s.so)!\n",
LIBDIR, sh_video->codec->drv);
}
#endif
if(!mpvdec){ // driver not available (==compiled in)
mp_msg(MSGT_DECVIDEO,MSGL_WARN,MSGTR_VideoCodecFamilyNotAvailableStr,
sh_video->codec->name, sh_video->codec->drv);

6
libmpdemux/stheader.h
View File

@ -70,6 +70,9 @@ typedef struct {
int a_out_buffer_size;
// void* audio_out; // the audio_out handle, used for this audio stream
void* afilter; // the audio filter stream
#ifdef DYNAMIC_PLUGINS
void *dec_handle;
#endif
// win32-compatible codec parameters:
AVIStreamHeader audio;
WAVEFORMATEX* wf;
@ -99,6 +102,9 @@ typedef struct {
void* video_out; // the video_out handle, used for this video stream
void* vfilter; // the video filter chain, used for this video stream
int vf_inited;
#ifdef DYNAMIC_PLUGINS
void *dec_handle;
#endif
// win32-compatible codec parameters:
AVIStreamHeader video;
BITMAPINFOHEADER* bih;