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;
}
Exemple #4
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    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 ||