Commit Graph

55 Commits

Author SHA1 Message Date
Pascal Massimino
f8db5d5d1c more C89-fixes
going down to strict -ansi c89 is quite overkill (no 'inline',
and /* */-style comments).
But with these fixes, the code compiles with the stringent flags:
 -Wextra -Wold-style-definition -Wmissing-prototypes
 -Wmissing-declarations and -Wdeclaration-after-statement

Change-Id: I36222f8f505bcba3d9d1309ad98b5ccb04ec17e3
2011-03-25 15:19:37 -07:00
Pascal Massimino
8bf76fe0c8 add incremental decoding
The object WebPIDecoder is available to store the
decoding state. The flow is typically:

   WebPIDecoder* const idec = WebPINew(mode);
   while (has_more_data) {
     // ... (get additional data)
     status = WebPIAppend(idec, new_data, new_data_size);
     if (status != VP8_STATUS_SUSPENDED ||
       break;
     }

     // The above call decodes the current available buffer.
     // Part of the image can now be refreshed by calling to
     // WebPIDecGetRGB()/WebPIDecGetYUV() etc.
   }
   WebPIDelete(idec);

Doing so, one can try and decode new macroblocks everytime fresh
bytes are available.
There's two operating modes: either appending fresh bytes, or
updating the whole buffer with additional data in the end.
The latter requires less memcpy()'s

main patch by Somnath Banerjee (somnath at google.com)

Change-Id: Ie81cbd0b50f175743af06b1f964de838b9a10a4a
2011-03-23 18:33:26 -07:00
Pascal Massimino
6463e6ab94 add some install instructions, and fix intel-mac flags
patch by Christian Duvivier

Change-Id: I8e38f98c6738c3d89917cd3eb88f6c095335a428
2011-03-17 14:45:23 -07:00
Pascal Massimino
d5bd54c712 fix typo and buggy line
Change-Id: I744bcfe5e611a49af9ad8a00ba764b74ee8dd727
2011-02-20 11:57:49 -08:00
Pascal Massimino
f7a9549dcb Add a simple top-level makefile.unix for quick & easy build.
Just use:
  make -f makefile.unix
instead of the autoconf system.

Change-Id: Idcedfd22e543023d1731f5753fb4958f02d0dd75
2011-02-20 11:17:44 -08:00