mirror of https://code.videolan.org/videolan/vlc
RealVideo codec through DLL loader
With the mutex patch plus a few fixes. Signed-off-by: Rémi Denis-Courmont <rdenis@simphalempin.com>
This commit is contained in:
Wang Bo
Rémi Denis-Courmont
parent
72da704cd7
commit
12f23f648d
10
AUTHORS
10
AUTHORS
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@ -459,3 +459,13 @@ D: skins module (core and win32 port)
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D: skins2 module (core and win32 port)
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S: France
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N: Yuehua Zhao
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E: zhao908@hotmail.com
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D: real video codec
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S: China
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N: Bo Wang
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E: silencewang@msn.com
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D: real file/rtsp pause and seek support
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S: China
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1
THANKS
1
THANKS
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@ -250,6 +250,7 @@ William Hawkins - Speex RTP payload format
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Xavier Maillard <zedek at fxgsproject.org> - audio converters
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Xavier Marchesini <xav at alarue.net> - Win32 fixes
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Xènia Albà Cantero <xenia_alba at hotmail.com> - Catalan translation
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Yuehua Zhao <zhao908@hotmail.com> - real video codec
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Yves Duret <yves at zarb.org> - RPM packages
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Ye zhang <yzhang90003 _at_ gmail dot com> - Fix for VLM RTSP concurent LEAVE make VLC crash
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@ -645,7 +645,7 @@ AC_CHECK_LIB(m,cos,[
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VLC_ADD_LIBS([adjust wave ripple psychedelic gradient a52tofloat32 dtstofloat32 x264 goom visual panoramix rotate noise grain],[-lm])
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])
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AC_CHECK_LIB(m,pow,[
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VLC_ADD_LIBS([ffmpeg ffmpegaltivec stream_out_transrate i420_rgb faad twolame equalizer spatializer param_eq libvlc vorbis freetype mod mpc dmo quicktime realaudio galaktos opengl],[-lm])
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VLC_ADD_LIBS([ffmpeg ffmpegaltivec stream_out_transrate i420_rgb faad twolame equalizer spatializer param_eq libvlc vorbis freetype mod mpc dmo quicktime realaudio realvideo galaktos opengl],[-lm])
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])
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AC_CHECK_LIB(m,sqrt,[
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VLC_ADD_LIBS([headphone_channel_mixer normvol speex mono colorthres extract],[-lm])
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@ -3208,9 +3208,10 @@ dnl
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dnl Real plugin
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dnl
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AC_ARG_ENABLE(real,
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[ --enable-real Real audio module (default disabled)])
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[ --enable-real Real media module (default disabled)])
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if test "${enable_real}" = "yes"; then
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VLC_ADD_PLUGIN([realaudio])
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VLC_ADD_PLUGIN([realvideo])
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fi
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dnl
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@ -5637,6 +5638,8 @@ AS_IF([test "${enable_loader}" = "yes"],
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VLC_ADD_LIBS([quicktime],[../../libs/loader/libloader.la -lpthread])
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VLC_ADD_CPPFLAGS([realaudio],[-I../../@top_srcdir@/libs/loader -DLOADER])
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VLC_ADD_LIBS([realaudio],[../../libs/loader/libloader.la])
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VLC_ADD_CPPFLAGS([realvideo],[-I../../@top_srcdir@/libs/loader -DLOADER])
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VLC_ADD_LIBS([realvideo],[../../libs/loader/libloader.la])
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])
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AC_ARG_WITH(,[Components:])
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@ -258,6 +258,7 @@ $Id$
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* rc: interface module using stdio.
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* real: partial Real audio/video demuxer
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* realaudio: Real audio decoder
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* realvideo: Real video decoder
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* ripple: Ripple video effect
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* rotate: Video rotation filter
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* rss: Display a RSS feed on the video output
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@ -28,6 +28,7 @@ SOURCES_svcdsub = svcdsub.c
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SOURCES_cvdsub = cvdsub.c
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SOURCES_fake = fake.c
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SOURCES_realaudio = realaudio.c
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SOURCES_realvideo = realvideo.c
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SOURCES_sdl_image = sdl_image.c
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SOURCES_zvbi = zvbi.c
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SOURCES_csri = csri.c
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@ -0,0 +1,517 @@
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/*****************************************************************************
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* realvideo.c: a realvideo decoder that uses the real's dll
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*****************************************************************************
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* Copyright (C) 2005 the VideoLAN team
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* Copyright (C) 2008 Wang Bo
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
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*****************************************************************************/
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/*****************************************************************************
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* Preamble
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*****************************************************************************/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <vlc_common.h>
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#include <vlc_plugin.h>
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#include <vlc_vout.h>
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#include <vlc_codec.h>
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#ifdef LOADER
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/* Need the w32dll loader from mplayer */
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# include <wine/winerror.h>
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# include <ldt_keeper.h>
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# include <wine/windef.h>
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void *WINAPI LoadLibraryA( char *name );
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void *WINAPI GetProcAddress( void *handle, char *func );
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int WINAPI FreeLibrary( void *handle );
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#endif
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#ifndef WINAPI
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# define WINAPI
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#endif
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#if defined(HAVE_DL_DLOPEN)
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# if defined(HAVE_DLFCN_H) /* Linux, BSD, Hurd */
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# include <dlfcn.h>
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# endif
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# if defined(HAVE_SYS_DL_H)
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# include <sys/dl.h>
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# endif
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#endif
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typedef struct cmsg_data_s
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{
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uint32_t data1;
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uint32_t data2;
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uint32_t* dimensions;
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} cmsg_data_t;
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typedef struct transform_in_s
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{
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uint32_t len;
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uint32_t unknown1;
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uint32_t chunks;
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uint32_t* extra;
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uint32_t unknown2;
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uint32_t timestamp;
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} transform_in_t;
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// copypaste from demux_real.c - it should match to get it working!
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typedef struct dp_hdr_s
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{
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uint32_t chunks; // number of chunks
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uint32_t timestamp; // timestamp from packet header
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uint32_t len; // length of actual data
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uint32_t chunktab; // offset to chunk offset array
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} dp_hdr_t;
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/* we need exact positions */
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struct rv_init_t
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{
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short unk1;
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short w;
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short h;
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short unk3;
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int unk2;
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unsigned int * subformat;
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int unk5;
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unsigned int * format;
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} rv_init_t;
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struct decoder_sys_t
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{
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/* library */
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#ifdef LOADER
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ldt_fs_t *ldt_fs;
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#endif
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void *handle;
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void *rv_handle;
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int inited;
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char *plane;
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};
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int dll_type = 1;
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#ifdef WIN32
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const char *g_decode_path="plugins\\drv43260.dll";
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#else
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const char *g_decode_path="../lib/vlc/codec/drv4.so.6.0";
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#endif
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static unsigned long (*rvyuv_custom_message)(cmsg_data_t* ,void*);
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static unsigned long (*rvyuv_free)(void*);
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static unsigned long (*rvyuv_init)(void*, void*); // initdata,context
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static unsigned long (*rvyuv_transform)(char*, char*,transform_in_t*,unsigned int*,void*);
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#ifdef WIN32
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static unsigned long WINAPI (*wrvyuv_custom_message)(cmsg_data_t* ,void*);
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static unsigned long WINAPI (*wrvyuv_free)(void*);
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static unsigned long WINAPI (*wrvyuv_init)(void*, void*); // initdata,context
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static unsigned long WINAPI (*wrvyuv_transform)(char*, char*,transform_in_t*,unsigned int*,void*);
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#endif
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/*****************************************************************************
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* Module descriptor
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*****************************************************************************/
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static int Open ( vlc_object_t * );
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static void Close( vlc_object_t * );
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//static int OpenPacketizer( vlc_object_t * );
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static picture_t *DecodeVideo( decoder_t *, block_t ** );
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vlc_module_begin();
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set_description( N_("RealVideo library decoder") );
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set_capability( "decoder", 10 );
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set_category( CAT_INPUT );
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set_subcategory( SUBCAT_INPUT_VCODEC );
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set_callbacks( Open, Close );
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vlc_module_end();
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/*****************************************************************************
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* Local prototypes
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*****************************************************************************/
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#ifdef WIN32
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static void * load_syms(decoder_t *p_dec, const char *path)
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{
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void *handle;
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msg_Dbg( p_dec, "opening win32 dll '%s'\n", path);
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#ifdef LOADER
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Setup_LDT_Keeper();
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#endif
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handle = LoadLibraryA(path);
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msg_Dbg( p_dec, "win32 real codec handle=%p \n",handle);
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if (!handle)
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{
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msg_Err( p_dec, "Error loading dll\n");
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return NULL;
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}
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wrvyuv_custom_message = GetProcAddress(handle, "RV20toYUV420CustomMessage");
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wrvyuv_free = GetProcAddress(handle, "RV20toYUV420Free");
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wrvyuv_init = GetProcAddress(handle, "RV20toYUV420Init");
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wrvyuv_transform = GetProcAddress(handle, "RV20toYUV420Transform");
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if (wrvyuv_custom_message && wrvyuv_free && wrvyuv_init && wrvyuv_transform)
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{
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dll_type = 1;
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return handle;
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}
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msg_Err( p_dec, "Error resolving symbols! (version incompatibility?)\n");
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FreeLibrary(handle);
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return NULL; // error
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}
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#else
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static void * load_syms_linux(decoder_t *p_dec, const char *path)
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{
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void *handle;
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msg_Dbg( p_dec, "opening shared obj '%s'\n", path);
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handle = dlopen (path, RTLD_LAZY);
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if (!handle)
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{
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msg_Err( p_dec,"Error: %s\n",dlerror());
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return NULL;
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}
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rvyuv_custom_message = dlsym(handle, "RV20toYUV420CustomMessage");
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rvyuv_free = dlsym(handle, "RV20toYUV420Free");
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rvyuv_init = dlsym(handle, "RV20toYUV420Init");
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rvyuv_transform = dlsym(handle, "RV20toYUV420Transform");
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if(rvyuv_custom_message && rvyuv_free && rvyuv_init && rvyuv_transform)
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{
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dll_type = 0;
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return handle;
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}
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msg_Err( p_dec,"Error resolving symbols! (version incompatibility?)\n");
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dlclose(handle);
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return 0;
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}
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#endif
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static int InitVideo(decoder_t *p_dec)
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{
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int result;
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struct rv_init_t init_data;
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char fcc[4];
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vlc_mutex_t *lock;
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int i_vide = p_dec->fmt_in.i_extra;
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unsigned int *p_vide = p_dec->fmt_in.p_extra;
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decoder_sys_t *p_sys = malloc( sizeof( decoder_sys_t ) );
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memset(p_sys,0,sizeof( decoder_sys_t ) );
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if( i_vide < 8 )
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{
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msg_Err( p_dec, "missing extra info" );
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free( p_sys );
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return VLC_EGENERIC;
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}
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if (p_sys->plane) free(p_sys->plane);
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p_sys->plane = malloc (p_dec->fmt_in.video.i_width*p_dec->fmt_in.video.i_height*3/2 + 1024 );
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if (NULL == p_sys->plane)
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{
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msg_Err( p_dec, "cannot alloc plane buffer" );
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free( p_sys );
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return VLC_EGENERIC;
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}
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p_dec->p_sys = p_sys;
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p_dec->pf_decode_video = DecodeVideo;
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memcpy( fcc, &p_dec->fmt_in.i_codec, 4 );
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init_data.unk1 = 11;
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init_data.w = p_dec->fmt_in.video.i_width ;
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init_data.h = p_dec->fmt_in.video.i_height ;
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init_data.unk3 = 0;
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init_data.unk2 = 0;
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init_data.subformat = (unsigned int*)p_vide[0];
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init_data.unk5 = 1;
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init_data.format = (unsigned int*)p_vide[1];
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/* first try to load linux dlls, if failed and we're supporting win32 dlls,
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then try to load the windows ones */
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#ifdef WIN32
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if ( NULL== (p_sys->rv_handle = load_syms(p_dec, g_decode_path)) )
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#else
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if ( NULL== (p_sys->rv_handle = load_syms_linux(p_dec, g_decode_path)) )
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#endif
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{
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msg_Err( p_dec, "Cannot load real decoder library: %s", g_decode_path);
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free( p_sys );
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return VLC_EGENERIC;
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}
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lock = var_AcquireMutex( "rm_mutex" );
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if ( lock == NULL )
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return VLC_EGENERIC;
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p_sys->handle=NULL;
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#ifdef WIN32
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if (dll_type == 1)
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result=(*wrvyuv_init)(&init_data, &p_sys->handle);
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else
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#endif
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result=(*rvyuv_init)(&init_data, &p_sys->handle);
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if (result)
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{
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msg_Err( p_dec, "Cannot Init real decoder library: %s", g_decode_path);
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free( p_sys );
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return VLC_EGENERIC;
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}
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/* setup rv30 codec (codec sub-type and image dimensions): */
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/*if ( p_dec->fmt_in.i_codec == VLC_FOURCC('R','V','3','0') )*/
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if (p_vide[1]>=0x20200002)
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{
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int i, cmsg_cnt;
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uint32_t cmsg24[16]={p_dec->fmt_in.video.i_width,p_dec->fmt_in.video.i_height};
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cmsg_data_t cmsg_data={0x24,1+(p_vide[1]&7), &cmsg24[0]};
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cmsg_cnt = (p_vide[1]&7)*2;
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if (i_vide - 8 < cmsg_cnt) {
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cmsg_cnt = i_vide - 8;
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}
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for (i = 0; i < cmsg_cnt; i++)
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cmsg24[2+i] = p_vide[8+i]*4;
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#ifdef WIN32
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if (dll_type == 1)
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(*wrvyuv_custom_message)(&cmsg_data,p_sys->handle);
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else
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#endif
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(*rvyuv_custom_message)(&cmsg_data,p_sys->handle);
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}
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/*
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es_format_Init( &p_dec->fmt_out, VIDEO_ES, VLC_FOURCC( 'Y','V','1','2' ));
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es_format_Init( &p_dec->fmt_out, VIDEO_ES, VLC_FOURCC( 'Y','U','Y','2' ));
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*/
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es_format_Init( &p_dec->fmt_out, VIDEO_ES, VLC_FOURCC( 'I', '4', '2', '0'));
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p_dec->fmt_out.video.i_width = p_dec->fmt_in.video.i_width;
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p_dec->fmt_out.video.i_height= p_dec->fmt_in.video.i_height;
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p_dec->fmt_out.video.i_aspect = VOUT_ASPECT_FACTOR * p_dec->fmt_in.video.i_width / p_dec->fmt_in.video.i_height;
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p_sys->inited = 0;
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vlc_mutex_unlock( lock );
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return VLC_SUCCESS;
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}
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/*****************************************************************************
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* Open: probe the decoder and return score
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*****************************************************************************
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* Tries to launch a decoder and return score so that the interface is able
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* to choose.
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*****************************************************************************/
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static int Open( vlc_object_t *p_this )
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{
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decoder_t *p_dec = (decoder_t*)p_this;
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/* create a mutex */
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var_Create( p_this->p_libvlc, "rm_mutex", VLC_VAR_MUTEX );
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switch ( p_dec->fmt_in.i_codec )
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{
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case VLC_FOURCC('R','V','1','0'):
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case VLC_FOURCC('R','V','2','0'):
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case VLC_FOURCC('R','V','3','0'):
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case VLC_FOURCC('R','V','4','0'):
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p_dec->p_sys = NULL;
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p_dec->pf_decode_video = DecodeVideo;
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return InitVideo(p_dec);
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default:
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return VLC_EGENERIC;
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}
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}
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/*****************************************************************************
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* Close:
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*****************************************************************************/
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static void Close( vlc_object_t *p_this )
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{
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decoder_t *p_dec = (decoder_t*)p_this;
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decoder_sys_t *p_sys = p_dec->p_sys;
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vlc_mutex_t *lock;
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/* get lock, avoid segfault */
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lock = var_AcquireMutex( "rm_mutex" );
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#ifdef WIN32
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if (dll_type == 1)
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{
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if (wrvyuv_free)
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wrvyuv_free(p_sys->handle);
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}
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else
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#endif
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if (rvyuv_free)
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rvyuv_free(p_sys->handle);
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#ifdef WIN32
|
||||
if (dll_type == 1)
|
||||
{
|
||||
if (p_sys->rv_handle)
|
||||
FreeLibrary(p_sys->rv_handle);
|
||||
}
|
||||
else
|
||||
#endif
|
||||
p_sys->rv_handle=NULL;
|
||||
|
||||
if (p_sys->plane)
|
||||
{
|
||||
free(p_sys->plane);
|
||||
p_sys->plane = NULL;
|
||||
}
|
||||
|
||||
msg_Dbg( p_dec, "FreeLibrary ok." );
|
||||
#ifdef LOADER
|
||||
Restore_LDT_Keeper( p_sys->ldt_fs );
|
||||
msg_Dbg( p_dec, "Restore_LDT_Keeper" );
|
||||
#endif
|
||||
p_sys->inited = 0;
|
||||
|
||||
if ( lock )
|
||||
vlc_mutex_unlock( lock );
|
||||
|
||||
if ( p_sys )
|
||||
free( p_sys );
|
||||
}
|
||||
|
||||
/*****************************************************************************
|
||||
* DecodeVideo:
|
||||
*****************************************************************************/
|
||||
static picture_t *DecodeVideo( decoder_t *p_dec, block_t **pp_block )
|
||||
{
|
||||
decoder_sys_t *p_sys = p_dec->p_sys;
|
||||
vlc_mutex_t *lock;
|
||||
block_t *p_block;
|
||||
picture_t *p_pic;
|
||||
mtime_t i_pts;
|
||||
int result;
|
||||
|
||||
/* We must do open and close in the same thread (unless we do
|
||||
* Setup_LDT_Keeper in the main thread before all others */
|
||||
if ( pp_block == NULL || *pp_block == NULL )
|
||||
{
|
||||
return NULL;
|
||||
}
|
||||
p_block = *pp_block;
|
||||
*pp_block = NULL;
|
||||
|
||||
i_pts = p_block->i_pts ? p_block->i_pts : p_block->i_dts;
|
||||
|
||||
lock = var_AcquireMutex( "rm_mutex" );
|
||||
if ( lock == NULL )
|
||||
return NULL;
|
||||
|
||||
p_pic = p_dec->pf_vout_buffer_new( p_dec );
|
||||
|
||||
if ( p_pic )
|
||||
{
|
||||
unsigned int transform_out[5];
|
||||
dp_hdr_t dp_hdr;
|
||||
transform_in_t transform_in;
|
||||
uint32_t pkg_len = ((uint32_t*)p_block->p_buffer)[0];
|
||||
unsigned char* dp_data=((unsigned char*)p_block->p_buffer)+8;
|
||||
uint32_t* extra=(uint32_t*)(((char*)p_block->p_buffer)+8+pkg_len);
|
||||
uint32_t img_size;
|
||||
|
||||
|
||||
dp_hdr.len = pkg_len;
|
||||
dp_hdr.chunktab = 8 + pkg_len;
|
||||
dp_hdr.chunks = ((uint32_t*)p_block->p_buffer)[1]-1;
|
||||
dp_hdr.timestamp = i_pts;
|
||||
|
||||
memset(&transform_in, 0, sizeof(transform_in_t));
|
||||
|
||||
transform_in.len = dp_hdr.len;
|
||||
transform_in.extra = extra;
|
||||
transform_in.chunks = dp_hdr.chunks;
|
||||
transform_in.timestamp = dp_hdr.timestamp;
|
||||
|
||||
memset (p_sys->plane, 0, p_dec->fmt_in.video.i_width * p_dec->fmt_in.video.i_height *3/2 );
|
||||
|
||||
#ifdef WIN32
|
||||
if (dll_type == 1)
|
||||
result=(*wrvyuv_transform)(dp_data, p_sys->plane, &transform_in, transform_out, p_sys->handle);
|
||||
else
|
||||
#endif
|
||||
result=(*rvyuv_transform)(dp_data, p_sys->plane, &transform_in, transform_out, p_sys->handle);
|
||||
|
||||
/* msg_Warn(p_dec, "Real Size %d X %d", transform_out[3],
|
||||
transform_out[4]); */
|
||||
/* some bug rm file will print the messages :
|
||||
[00000551] realvideo decoder warning: Real Size 320 X 240
|
||||
[00000551] realvideo decoder warning: Real Size 480 X 272
|
||||
[00000551] realvideo decoder warning: Real Size 320 X 240
|
||||
[00000551] realvideo decoder warning: Real Size 320 X 240
|
||||
...
|
||||
so it needs fixing!
|
||||
*/
|
||||
if ( p_sys->inited == 0 )
|
||||
{
|
||||
/* fix and get the correct image size! */
|
||||
if ( p_dec->fmt_in.video.i_width != transform_out[3]
|
||||
|| p_dec->fmt_in.video.i_height != transform_out[4] )
|
||||
{
|
||||
msg_Warn(p_dec, "Warning, Real's Header give a wrong "
|
||||
"information about media's width and height!\n"
|
||||
"\tRealHeader: \t %d X %d \t %d X %d",
|
||||
p_dec->fmt_in.video.i_width,
|
||||
p_dec->fmt_in.video.i_height,
|
||||
transform_out[3],transform_out[4]);
|
||||
|
||||
if ( p_dec->fmt_in.video.i_width * p_dec->fmt_in.video.i_height >= transform_out[3] * transform_out[4] )
|
||||
{
|
||||
p_dec->fmt_out.video.i_width =
|
||||
p_dec->fmt_out.video.i_visible_width =
|
||||
p_dec->fmt_in.video.i_width = transform_out[3] ;
|
||||
|
||||
p_dec->fmt_out.video.i_height=
|
||||
p_dec->fmt_out.video.i_visible_height =
|
||||
p_dec->fmt_in.video.i_height= transform_out[4];
|
||||
|
||||
p_dec->fmt_out.video.i_aspect = VOUT_ASPECT_FACTOR * p_dec->fmt_in.video.i_width / p_dec->fmt_in.video.i_height;
|
||||
}
|
||||
else
|
||||
{
|
||||
// TODO: realloc plane's size! but [in fact] it maybe not happen!
|
||||
msg_Err(p_dec,"plane space not enough ,skip");
|
||||
}
|
||||
}
|
||||
p_sys->inited = 1;
|
||||
}
|
||||
|
||||
img_size = p_dec->fmt_in.video.i_width * p_dec->fmt_in.video.i_height;
|
||||
memcpy( p_pic->p[0].p_pixels, p_sys->plane, img_size);
|
||||
memcpy( p_pic->p[1].p_pixels, p_sys->plane + img_size, img_size/4);
|
||||
memcpy( p_pic->p[2].p_pixels, p_sys->plane + img_size * 5/4, img_size/4);
|
||||
p_pic->date = i_pts ;
|
||||
|
||||
/* real video frame is small( frame and frame's time-shift is short),
|
||||
so it will become late picture easier (when render-time changed)and
|
||||
droped by video-output.*/
|
||||
p_pic->b_force = 1;
|
||||
}
|
||||
|
||||
vlc_mutex_unlock( lock );
|
||||
|
||||
block_Release( p_block );
|
||||
return p_pic;
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue