static int open_f(stream_t *stream,int mode, void* opts, int* file_format) { int res; loff_t len; PVFile* ipFilePtr = (PVFile*)(stream->fd); res=ipFilePtr->Seek(0, Oscl_File::SEEKEND); if(res ==-1) return STREAM_ERROR; else len = ipFilePtr->Tell(); ipFilePtr->Seek(0, Oscl_File::SEEKSET); if(len == -1) { if(mode == STREAM_READ) stream->seek = seek_forward; stream->type = STREAMTYPE_STREAM; // Must be move to STREAMTYPE_FILE stream->flags |= STREAM_SEEK_FW; } else if(len >= 0) { stream->seek = seek; stream->end_pos = len; stream->type = STREAMTYPE_FILE; } stream->fill_buffer = fill_buffer; stream->write_buffer = write_buffer; stream->control = control; m_struct_free(&stream_opts,opts); return STREAM_OK; }
static int control(stream_t *s, int cmd, void *arg) { int res; loff_t size; PVFile* ipFilePtr = (PVFile*)(s->fd); switch(cmd) { case STREAM_CTRL_GET_SIZE: { res=ipFilePtr->Seek(0, Oscl_File::SEEKEND); if(res == -1) return STREAM_UNSUPPORTED; else size = ipFilePtr->Tell(); ipFilePtr->Seek(s->pos, Oscl_File::SEEKSET); if(size != (loff_t)-1) { *((loff_t*)arg) = size; return 1; } break; } case STREAM_CTRL_RESET:{ //ipFilePtr->Seek(0, Oscl_File::SEEKSET); } case STREAM_CTRL_SET_AVSYNC:{ break; } } return STREAM_UNSUPPORTED; }
static int seek(stream_t *s,loff_t newpos) { s->pos = newpos; PVFile* ipFilePtr = (PVFile*)(s->fd); /* return 0 means success ,-1 means failed */ if(ipFilePtr->Seek(newpos, Oscl_File::SEEKSET)){ s->eof=1; return 0; } return 1; }
static PVMFStatus parseMP3(const char *filename,MediaScannerClient& client) { PVID3ParCom pvId3Param; PVFile fileHandle; Oscl_FileServer iFs; uint32 duration; //LOGD("c---> filename 好的 = %s", filename); if (iFs.Connect() != 0) { LOGD("=======iFs.Connect failed========>\n"); return PVMFFailure; } oscl_wchar output[MAX_BUFF_SIZE]; oscl_UTF8ToUnicode((const char *) filename, oscl_strlen((const char *) filename), (oscl_wchar *) output, MAX_BUFF_SIZE); if (0 != fileHandle.Open((oscl_wchar *) output, Oscl_File::MODE_READ | Oscl_File::MODE_BINARY, iFs)) { //LOGE("Could not open the input file for reading(Test: parse id3).\n"); return PVMFFailure; } fileHandle.Seek(0, Oscl_File::SEEKSET); pvId3Param.ParseID3Tag(&fileHandle); fileHandle.Close(); iFs.Close(); //Get the frames information from ID3 library PvmiKvpSharedPtrVector framevector; pvId3Param.GetID3Frames(framevector); uint32 num_frames = framevector.size(); for (uint32 i = 0; i < num_frames; i++) { const char *key = framevector[i]->key; bool isUtf8 = false; bool isIso88591 = false; // type should follow first semicolon const char *type = strchr(key, ';'); if (type == NULL) continue; type++; char tracknumkeybuf[100]; if (strncmp(key, "track-info/track-number;", 24) == 0) { // Java expects the track number key to be called "tracknumber", so // construct a temporary one here. snprintf(tracknumkeybuf, sizeof(tracknumkeybuf), "tracknumber;%s", type); key = tracknumkeybuf; } const char *value = framevector[i]->value.pChar_value; // KVP_VALTYPE_UTF8_CHAR check must be first, since KVP_VALTYPE_ISO88591_CHAR // is a substring of KVP_VALTYPE_UTF8_CHAR. // Similarly, KVP_VALTYPE_UTF16BE_WCHAR must be checked before KVP_VALTYPE_UTF16_WCHAR if (oscl_strncmp(type, KVP_VALTYPE_UTF8_CHAR, KVP_VALTYPE_UTF8_CHAR_LEN) == 0) { isUtf8 = true; } else if ( oscl_strncmp(type, KVP_VALTYPE_ISO88591_CHAR, KVP_VALTYPE_ISO88591_CHAR_LEN) == 0) { isIso88591 = true; } if (isUtf8) { // validate to make sure it is legal utf8 uint32 valid_chars; if (oscl_str_is_valid_utf8((const uint8 *) value, valid_chars)) { // utf8 can be passed through directly //LOGD("c---> key(utf8) = %s ; value = %s", key, value); if (!client.handleStringTag(key, value)) goto failure; } else { // treat as ISO-8859-1 if UTF-8 fails isIso88591 = true; } } if (isIso88591) { size_t iInLen = strlen(value); char sOutBuf[100]; size_t iOutLen = 100; memset(sOutBuf, 0x00, 100); ChangeCode("GBK", "UTF-8", value, &iInLen, sOutBuf, &iOutLen); //LOGD("c---> key(gbk) = %s ; value = %s", key, sOutBuf); if (!client.handleStringTag(key, sOutBuf)) goto failure; } // treat it as iso-8859-1 and our native encoding detection will try to // figure out what it is /* if (isIso88591) { // convert ISO-8859-1 to utf8, worse case is 2x inflation const unsigned char *src = (const unsigned char *) value; char *temp = (char *) alloca(strlen(value) * 2 + 1); if (temp) { char *dest = temp; unsigned int uch; while ((uch = *src++) != 0) { if (uch & 0x80) { *dest++ = (uch >> 6) | 0xc0; *dest++ = (uch & 0x3f) | 0x80; } else *dest++ = uch; } *dest = 0; LOGD("c---> key(iso) = %s ; value = %s", key, temp); //if (!client.addStringTag(key, temp)) goto failure; } }*/ // not UTF-8 or ISO-8859-1, try wide char formats if (!isUtf8 && !isIso88591 && (oscl_strncmp(type, KVP_VALTYPE_UTF16BE_WCHAR, KVP_VALTYPE_UTF16BE_WCHAR_LEN) == 0 || oscl_strncmp(type, KVP_VALTYPE_UTF16_WCHAR, KVP_VALTYPE_UTF16_WCHAR_LEN) == 0)) { // convert wchar to utf8 // the id3parcom library has already taken care of byteswapping const oscl_wchar *src = framevector[i]->value.pWChar_value; int srcLen = oscl_strlen(src); // worse case is 3 bytes per character, plus zero termination int destLen = srcLen * 3 + 1; char *dest = (char *) alloca(destLen); if (oscl_UnicodeToUTF8(src, oscl_strlen(src), dest, destLen) > 0) { //LOGD("c---> key(!utf8 && !iso) = %s ; value = %s", key, dest); if (!client.handleStringTag(key, dest)) goto failure; } } else if (oscl_strncmp(type, KVP_VALTYPE_UINT32, KVP_VALTYPE_UINT32_LEN) == 0) { char temp[20]; snprintf(temp, sizeof(temp), "%d", (int) framevector[i]->value.uint32_value); //LOGD("c---> key() = %s ; value = %s", key, temp); if (!client.handleStringTag(key, temp)) goto failure; } else { //LOGE("unknown tag type %s for key %s\n", type, key); } } // extract non-ID3 properties below { OSCL_wHeapString<OsclMemAllocator> mp3filename(output); MP3ErrorType err; IMpeg3File mp3File(mp3filename, err); if (err != MP3_SUCCESS) { //LOGE("IMpeg3File constructor returned %d for %s\n", err, filename); return err; } err = mp3File.ParseMp3File(); if (err != MP3_SUCCESS) { //LOGE("IMpeg3File::ParseMp3File returned %d for %s\n", err, filename); return err; } char buffer[20]; duration = mp3File.GetDuration(); sprintf(buffer, "%d", duration); LOGD("c---> duration = %s", "duration"); //if (!client.addStringTag("duration", buffer)) goto failure; } return PVMFSuccess; failure: return PVMFFailure; }
static PVMFStatus parseMP3(const char *filename, MediaScannerClient& client) { PVID3ParCom pvId3Param; PVFile fileHandle; Oscl_FileServer iFs; uint32 duration; if (iFs.Connect() != 0) { LOGE("iFs.Connect failed\n"); return PVMFFailure; } oscl_wchar output[MAX_BUFF_SIZE]; oscl_UTF8ToUnicode((const char *)filename, oscl_strlen((const char *)filename), (oscl_wchar *)output, MAX_BUFF_SIZE); if (0 != fileHandle.Open((oscl_wchar *)output, Oscl_File::MODE_READ | Oscl_File::MODE_BINARY, iFs) ) { LOGE("Could not open the input file for reading(Test: parse id3).\n"); return PVMFFailure; } fileHandle.Seek(0, Oscl_File::SEEKSET); pvId3Param.ParseID3Tag(&fileHandle); fileHandle.Close(); iFs.Close(); //Get the frames information from ID3 library PvmiKvpSharedPtrVector framevector; pvId3Param.GetID3Frames(framevector); uint32 num_frames = framevector.size(); for (uint32 i = 0; i < num_frames;i++) { const char* key = framevector[i]->key; bool validUtf8 = true; // type should follow first semicolon const char* type = strchr(key, ';') + 1; if (type == 0) continue; const char* value = framevector[i]->value.pChar_value; // KVP_VALTYPE_UTF8_CHAR check must be first, since KVP_VALTYPE_ISO88591_CHAR // is a substring of KVP_VALTYPE_UTF8_CHAR. // Similarly, KVP_VALTYPE_UTF16BE_WCHAR must be checked before KVP_VALTYPE_UTF16_WCHAR if (oscl_strncmp(type, KVP_VALTYPE_UTF8_CHAR, KVP_VALTYPE_UTF8_CHAR_LEN) == 0) { // utf8 can be passed through directly // but first validate to make sure it is legal utf8 uint32 valid_chars; validUtf8 = oscl_str_is_valid_utf8((const uint8 *)value, valid_chars); if (validUtf8 && !client.handleStringTag(key, value)) goto failure; } // if the value is not valid utf8, then we will treat it as iso-8859-1 // and our native encoding detection will try to figure out what it is if (oscl_strncmp(type, KVP_VALTYPE_ISO88591_CHAR, KVP_VALTYPE_ISO88591_CHAR_LEN) == 0 || !validUtf8) { // iso-8859-1 // convert to utf8 // worse case is 2x inflation const unsigned char* src = (const unsigned char *)value; char* temp = (char *)alloca(strlen(value) * 2 + 1); if (temp) { char* dest = temp; unsigned int uch; while ((uch = *src++) != 0) { if (uch & 0x80) { *dest++ = (uch >> 6) | 0xc0; *dest++ = (uch & 0x3f) | 0x80; } else *dest++ = uch; } *dest = 0; if (!client.addStringTag(key, temp)) goto failure; } } else if (oscl_strncmp(type, KVP_VALTYPE_UTF16BE_WCHAR, KVP_VALTYPE_UTF16BE_WCHAR_LEN) == 0 ||