diff options
Diffstat (limited to 'libmpcodecs/ad_realaud.c')
-rw-r--r-- | libmpcodecs/ad_realaud.c | 463 |
1 files changed, 0 insertions, 463 deletions
diff --git a/libmpcodecs/ad_realaud.c b/libmpcodecs/ad_realaud.c deleted file mode 100644 index 3f221c61ef..0000000000 --- a/libmpcodecs/ad_realaud.c +++ /dev/null @@ -1,463 +0,0 @@ -/* - * This file is part of MPlayer. - * - * MPlayer is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * MPlayer is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with MPlayer; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#include <stdio.h> -#include <stdlib.h> -#include <unistd.h> - -#include "config.h" - -//#include <stddef.h> -#ifdef HAVE_LIBDL -#include <dlfcn.h> -#endif -#include "path.h" -#include "libavutil/attributes.h" -#include "ad_internal.h" -#include "loader/wine/windef.h" - -static const ad_info_t info = { - "RealAudio decoder", - "realaud", - "Alex Beregszaszi", - "Florian Schneider, Arpad Gereoffy, Alex Beregszaszi, Donnie Smith", - "binary real audio codecs" -}; - -LIBAD_EXTERN(realaud) - -void *__builtin_new(unsigned long size); -void __builtin_delete(void *ize); - -void *__builtin_new(unsigned long size) { - return malloc(size); -} - -// required for cook's uninit: -void __builtin_delete(void* ize) { - free(ize); -} - -#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__DragonFly__) -void *__ctype_b=NULL; -#endif - -static unsigned long (*raCloseCodec)(void*); -static unsigned long (*raDecode)(void*, char*,unsigned long,char*,unsigned int*,long); -static unsigned long (*raFreeDecoder)(void*); -//static unsigned long (*raGetNumberOfFlavors2)(void); -static unsigned long (*raInitDecoder)(void*, void*); -static unsigned long (*raOpenCodec)(void*); -static unsigned long (*raOpenCodec2)(void*, void*); -static unsigned long (*raSetFlavor)(void*,unsigned long); -static void (*raSetDLLAccessPath)(char*); -static void (*raSetPwd)(char*,char*); -#ifdef CONFIG_WIN32DLL -static unsigned long WINAPI (*wraCloseCodec)(void*); -static unsigned long WINAPI (*wraDecode)(void*, char*,unsigned long,char*,unsigned int*,long); -static unsigned long WINAPI (*wraFreeDecoder)(void*); -static unsigned long WINAPI (*wraInitDecoder)(void*, void*); -static unsigned long WINAPI (*wraOpenCodec)(void*); -static unsigned long WINAPI (*wraOpenCodec2)(void*, void*); -static unsigned long WINAPI (*wraSetFlavor)(void*,unsigned long); -static void WINAPI (*wraSetDLLAccessPath)(char*); -static void WINAPI (*wraSetPwd)(char*,char*); - -static int dll_type = 0; /* 0 = unix dlopen, 1 = win32 dll */ -#endif - -static void *rv_handle = NULL; - -#if 0 -typedef struct { - int samplerate; - short bits; - short channels; - int unk1; - int unk2; - int packetsize; - int unk3; - void* unk4; -} ra_init_t ; -#else - -/* - Probably the linux .so-s were compiled with old GCC without setting - packing, so it adds 2 bytes padding after the quality field. - In windows it seems that there's no padding in it. - - -- alex -*/ - -/* linux dlls doesn't need packing */ -typedef struct /*__attribute__((__packed__))*/ { - int samplerate; - short bits; - short channels; - short quality; - /* 2bytes padding here, by gcc */ - int bits_per_frame; - int packetsize; - int extradata_len; - void* extradata; -} ra_init_t; - -/* windows dlls need packed structs (no padding) */ -typedef struct __attribute__((__packed__)) { - int samplerate; - short bits; - short channels; - short quality; - int bits_per_frame; - int packetsize; - int extradata_len; - void* extradata; -} wra_init_t; -#endif - -#ifdef HAVE_LIBDL -static int load_syms_linux(char *path) -{ - void *handle; - - mp_msg(MSGT_DECVIDEO, MSGL_V, "opening shared obj '%s'\n", path); - handle = dlopen(path, RTLD_LAZY); - if (!handle) - { - mp_msg(MSGT_DECVIDEO, MSGL_WARN, "Error: %s\n", dlerror()); - return 0; - } - - raCloseCodec = dlsym(handle, "RACloseCodec"); - raDecode = dlsym(handle, "RADecode"); - raFreeDecoder = dlsym(handle, "RAFreeDecoder"); - raOpenCodec = dlsym(handle, "RAOpenCodec"); - raOpenCodec2 = dlsym(handle, "RAOpenCodec2"); - raInitDecoder = dlsym(handle, "RAInitDecoder"); - raSetFlavor = dlsym(handle, "RASetFlavor"); - raSetDLLAccessPath = dlsym(handle, "SetDLLAccessPath"); - raSetPwd = dlsym(handle, "RASetPwd"); // optional, used by SIPR - - if (raCloseCodec && raDecode && raFreeDecoder && - (raOpenCodec||raOpenCodec2) && raSetFlavor && - /*raSetDLLAccessPath &&*/ raInitDecoder) - { - rv_handle = handle; - return 1; - } - - mp_msg(MSGT_DECAUDIO,MSGL_WARN,"Cannot resolve symbols - incompatible dll: %s\n",path); - dlclose(handle); - return 0; -} -#endif - -#ifdef CONFIG_WIN32DLL - -#ifdef WIN32_LOADER -#include "loader/ldt_keeper.h" -#endif -void* WINAPI LoadLibraryA(char* name); -void* WINAPI GetProcAddress(void* handle,char *func); -int WINAPI FreeLibrary(void *handle); - -static int load_syms_windows(char *path) -{ - void *handle; - - mp_msg(MSGT_DECVIDEO, MSGL_V, "opening win32 dll '%s'\n", path); -#ifdef WIN32_LOADER - Setup_LDT_Keeper(); -#endif - handle = LoadLibraryA(path); - if (!handle) - { - mp_msg(MSGT_DECVIDEO, MSGL_WARN, "Error loading dll\n"); - return 0; - } - - wraCloseCodec = GetProcAddress(handle, "RACloseCodec"); - wraDecode = GetProcAddress(handle, "RADecode"); - wraFreeDecoder = GetProcAddress(handle, "RAFreeDecoder"); - wraOpenCodec = GetProcAddress(handle, "RAOpenCodec"); - wraOpenCodec2 = GetProcAddress(handle, "RAOpenCodec2"); - wraInitDecoder = GetProcAddress(handle, "RAInitDecoder"); - wraSetFlavor = GetProcAddress(handle, "RASetFlavor"); - wraSetDLLAccessPath = GetProcAddress(handle, "SetDLLAccessPath"); - wraSetPwd = GetProcAddress(handle, "RASetPwd"); // optional, used by SIPR - - if (wraCloseCodec && wraDecode && wraFreeDecoder && - (wraOpenCodec || wraOpenCodec2) && wraSetFlavor && - /*wraSetDLLAccessPath &&*/ wraInitDecoder) - { - rv_handle = handle; - dll_type = 1; - return 1; - } - - mp_msg(MSGT_DECAUDIO,MSGL_WARN,"Cannot resolve symbols - incompatible dll: %s\n",path); - FreeLibrary(handle); - return 0; - -} -#endif - - -static int preinit(sh_audio_t *sh){ - // let's check if the driver is available, return 0 if not. - // (you should do that if you use external lib(s) which is optional) - unsigned int result; - char *path; - - path = malloc(strlen(codec_path) + strlen(sh->codec->dll) + 2); - if (!path) return 0; - sprintf(path, "%s/%s", codec_path, sh->codec->dll); - - /* first try to load linux dlls, if failed and we're supporting win32 dlls, - then try to load the windows ones */ - -#ifdef HAVE_LIBDL - if (strstr(sh->codec->dll,".dll") || !load_syms_linux(path)) -#endif -#ifdef CONFIG_WIN32DLL - if (!load_syms_windows(sh->codec->dll)) -#endif - { - mp_tmsg(MSGT_DECVIDEO, MSGL_ERR, "ERROR: Could not open required DirectShow codec %s.\n", sh->codec->dll); - mp_msg(MSGT_DECVIDEO, MSGL_HINT, "Read the RealAudio section of the DOCS!\n"); - free(path); - return 0; - } - -#ifdef CONFIG_WIN32DLL - if((raSetDLLAccessPath && dll_type == 0) || (wraSetDLLAccessPath && dll_type == 1)){ -#else - if(raSetDLLAccessPath){ -#endif - // used by 'SIPR' - path = realloc(path, strlen(codec_path) + 13); - sprintf(path, "DT_Codecs=%s", codec_path); - if(path[strlen(path)-1]!='/'){ - path[strlen(path)+1]=0; - path[strlen(path)]='/'; - } - path[strlen(path)+1]=0; -#ifdef CONFIG_WIN32DLL - if (dll_type == 1) - { - int i; - for (i=0; i < strlen(path); i++) - if (path[i] == '/') path[i] = '\\'; - wraSetDLLAccessPath(path); - } - else -#endif - raSetDLLAccessPath(path); - } - -#ifdef CONFIG_WIN32DLL - if (dll_type == 1){ - if (wraOpenCodec2) { - sprintf(path, "%s\\", codec_path); - result = wraOpenCodec2(&sh->context, path); - } else - result=wraOpenCodec(&sh->context); - } else -#endif - if (raOpenCodec2) { - sprintf(path, "%s/", codec_path); - result = raOpenCodec2(&sh->context, path); - } else - result=raOpenCodec(&sh->context); - if(result){ - mp_msg(MSGT_DECAUDIO,MSGL_WARN,"Decoder open failed, error code: 0x%X\n",result); - return 0; - } -// printf("opencodec ok (result: %x)\n", result); - free(path); /* after this it isn't used anymore */ - - sh->samplerate=sh->wf->nSamplesPerSec; - sh->samplesize=sh->wf->wBitsPerSample/8; - sh->channels=sh->wf->nChannels; - - { - ra_init_t init_data={ - sh->wf->nSamplesPerSec, - sh->wf->wBitsPerSample, - sh->wf->nChannels, - 100, // quality - sh->wf->nBlockAlign, // subpacket size - sh->wf->nBlockAlign, // coded frame size - sh->wf->cbSize, // codec data length - (char*)(sh->wf+1) // extras - }; -#ifdef CONFIG_WIN32DLL - wra_init_t winit_data={ - sh->wf->nSamplesPerSec, - sh->wf->wBitsPerSample, - sh->wf->nChannels, - 100, // quality - sh->wf->nBlockAlign, // subpacket size - sh->wf->nBlockAlign, // coded frame size - sh->wf->cbSize, // codec data length - (char*)(sh->wf+1) // extras - }; -#endif -#ifdef CONFIG_WIN32DLL - if (dll_type == 1) - result=wraInitDecoder(sh->context,&winit_data); - else -#endif - result=raInitDecoder(sh->context,&init_data); - - if(result){ - mp_msg(MSGT_DECAUDIO,MSGL_WARN,"Decoder init failed, error code: 0x%X\n",result); - return 0; - } -// printf("initdecoder ok (result: %x)\n", result); - } - -#ifdef CONFIG_WIN32DLL - if((raSetPwd && dll_type == 0) || (wraSetPwd && dll_type == 1)){ -#else - if(raSetPwd){ -#endif - // used by 'SIPR' -#ifdef CONFIG_WIN32DLL - if (dll_type == 1) - wraSetPwd(sh->context,"Ardubancel Quazanga"); - else -#endif - raSetPwd(sh->context,"Ardubancel Quazanga"); // set password... lol. - } - - if (sh->format == mmioFOURCC('s','i','p','r')) { - short flavor; - - if (sh->wf->nAvgBytesPerSec > 1531) - flavor = 3; - else if (sh->wf->nAvgBytesPerSec > 937) - flavor = 1; - else if (sh->wf->nAvgBytesPerSec > 719) - flavor = 0; - else - flavor = 2; - mp_msg(MSGT_DECAUDIO,MSGL_V,"Got sipr flavor %d from bitrate %d\n",flavor, sh->wf->nAvgBytesPerSec); - -#ifdef CONFIG_WIN32DLL - if (dll_type == 1) - result=wraSetFlavor(sh->context,flavor); - else -#endif - result=raSetFlavor(sh->context,flavor); - if(result){ - mp_msg(MSGT_DECAUDIO,MSGL_WARN,"Decoder flavor setup failed, error code: 0x%X\n",result); - return 0; - } - } // sipr flavor - - sh->i_bps=sh->wf->nAvgBytesPerSec; - - sh->audio_out_minsize=128000; // no idea how to get... :( - sh->audio_in_minsize = sh->wf->nBlockAlign; - - return 1; // return values: 1=OK 0=ERROR -} - -static int init(sh_audio_t *sh_audio){ - // initialize the decoder, set tables etc... - - // you can store HANDLE or private struct pointer at sh->context - // you can access WAVEFORMATEX header at sh->wf - - // set sample format/rate parameters if you didn't do it in preinit() yet. - - return 1; // return values: 1=OK 0=ERROR -} - -static void uninit(sh_audio_t *sh){ - // uninit the decoder etc... - // again: you don't have to free() a_in_buffer here! it's done by the core. -#ifdef CONFIG_WIN32DLL - if (dll_type == 1) - { - if (wraFreeDecoder) wraFreeDecoder(sh->context); - if (wraCloseCodec) wraCloseCodec(sh->context); - } -#endif - - if (raFreeDecoder) raFreeDecoder(sh->context); - if (raCloseCodec) raCloseCodec(sh->context); - - -#ifdef CONFIG_WIN32DLL - if (dll_type == 1) - { - if (rv_handle) FreeLibrary(rv_handle); - } else -#endif -// this dlclose() causes some memory corruption, and crashes soon (in caller): -// if (rv_handle) dlclose(rv_handle); - rv_handle = NULL; -} - -static int decode_audio(sh_audio_t *sh,unsigned char *buf,int minlen,int maxlen){ - int result av_unused; - int len=-1; - - if(sh->a_in_buffer_len<=0){ - // fill the buffer! - if (sh->ds->eof) - return 0; - demux_read_data(sh->ds, sh->a_in_buffer, sh->wf->nBlockAlign); - sh->a_in_buffer_size= - sh->a_in_buffer_len=sh->wf->nBlockAlign; - } - -#ifdef CONFIG_WIN32DLL - if (dll_type == 1) - result=wraDecode(sh->context, sh->a_in_buffer+sh->a_in_buffer_size-sh->a_in_buffer_len, sh->wf->nBlockAlign, - buf, &len, -1); - else -#endif - result=raDecode(sh->context, sh->a_in_buffer+sh->a_in_buffer_size-sh->a_in_buffer_len, sh->wf->nBlockAlign, - buf, &len, -1); - sh->a_in_buffer_len-=sh->wf->nBlockAlign; - -// printf("radecode: %d bytes, res=0x%X \n",len,result); - - return len; // return value: number of _bytes_ written to output buffer, - // or -1 for EOF (or uncorrectable error) -} - -static int control(sh_audio_t *sh,int cmd,void* arg, ...){ - // various optional functions you MAY implement: - switch(cmd){ - case ADCTRL_RESYNC_STREAM: - // it is called once after seeking, to resync. - // Note: sh_audio->a_in_buffer_len=0; is done _before_ this call! - return CONTROL_TRUE; - case ADCTRL_SKIP_FRAME: - // it is called to skip (jump over) small amount (1/10 sec or 1 frame) - // of audio data - used to sync audio to video after seeking - // if you don't return CONTROL_TRUE, it will defaults to: - // ds_fill_buffer(sh_audio->ds); // skip 1 demux packet - return CONTROL_TRUE; - } - return CONTROL_UNKNOWN; -} |