Added support for J2K encoding with libopenjpeg

Note: Some of the previous patches have had two bugs that have been fixed
in this patch.

Signed-off-by: Michael Bradshaw <mbradshaw@sorensonmedia.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Changelog

@@ -241,6 +241,7 @@ version 0.8:
 - lut, lutrgb, and lutyuv filters added
 - buffersink libavfilter sink added
 - Bump libswscale for recently reported ABI break
+- New J2K encoder (via OpenJPEG)
 
 
 version 0.7:

MAINTAINERS

@@ -157,6 +157,7 @@ Codecs:
   libgsm.c                              Michel Bardiaux
   libdirac*                             David Conrad
   libopenjpeg.c                         Jaikrishnan Menon
+  libopenjpegenc.c                      Michael Bradshaw
   libschroedinger*                      David Conrad
   libspeexdec.c                         Justin Ruggles
   libtheoraenc.c                        David Conrad

configure

@@ -183,7 +183,7 @@ External library support:
   --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]
   --enable-libnut          enable NUT (de)muxing via libnut,
                            native (de)muxer exists [no]
-  --enable-libopenjpeg     enable JPEG 2000 decoding via OpenJPEG [no]
+  --enable-libopenjpeg     enable JPEG 2000 encoding/decoding via OpenJPEG [no]
   --enable-librtmp         enable RTMP[E] support via librtmp [no]
   --enable-libschroedinger enable Dirac support via libschroedinger [no]
   --enable-libspeex        enable Speex support via libspeex [no]
@@ -1519,6 +1519,7 @@ libopencore_amrnb_decoder_deps="libopencore_amrnb"
 libopencore_amrnb_encoder_deps="libopencore_amrnb"
 libopencore_amrwb_decoder_deps="libopencore_amrwb"
 libopenjpeg_decoder_deps="libopenjpeg"
+libopenjpeg_encoder_deps="libopenjpeg"
 libschroedinger_decoder_deps="libschroedinger"
 libschroedinger_encoder_deps="libschroedinger"
 libspeex_decoder_deps="libspeex"

doc/general.texi

@@ -15,6 +15,14 @@ FFmpeg can be hooked up with a number of external libraries to add support
 for more formats. None of them are used by default, their use has to be
 explicitly requested by passing the appropriate flags to @file{./configure}.
 
+@section OpenJPEG
+
+FFmpeg can use the OpenJPEG libraries for encoding/decoding J2K videos.  Go to
+@url{http://www.openjpeg.org/} to get the libraries and follow the installation
+instructions.  To enable using OpenJPEG in FFmpeg, pass @code{--enable-libopenjpeg} to
+@file{./configure}.
+
+
 @section OpenCORE AMR
 
 FFmpeg can make use of the OpenCORE libraries for AMR-NB
@@ -447,6 +455,7 @@ following image formats are supported:
     @tab Used in the game Cyberia from Interplay.
 @item Interplay MVE video    @tab     @tab  X
     @tab Used in Interplay .MVE files.
+@item J2K @tab  X  @tab  X
 @item Karl Morton's video codec  @tab     @tab  X
     @tab Codec used in Worms games.
 @item Kega Game Video (KGV1) @tab      @tab  X

libavcodec/Makefile

@@ -606,6 +606,7 @@ OBJS-$(CONFIG_LIBOPENCORE_AMRNB_DECODER)  += libopencore-amr.o
 OBJS-$(CONFIG_LIBOPENCORE_AMRNB_ENCODER)  += libopencore-amr.o
 OBJS-$(CONFIG_LIBOPENCORE_AMRWB_DECODER)  += libopencore-amr.o
 OBJS-$(CONFIG_LIBOPENJPEG_DECODER)        += libopenjpegdec.o
+OBJS-$(CONFIG_LIBOPENJPEG_ENCODER)        += libopenjpegenc.o
 OBJS-$(CONFIG_LIBSCHROEDINGER_DECODER)    += libschroedingerdec.o \
                                              libschroedinger.o    \
                                              libdirac_libschro.o

libavcodec/allcodecs.c

@@ -391,7 +391,7 @@ void avcodec_register_all(void)
     REGISTER_ENCODER (LIBMP3LAME, libmp3lame);
     REGISTER_ENCDEC  (LIBOPENCORE_AMRNB, libopencore_amrnb);
     REGISTER_DECODER (LIBOPENCORE_AMRWB, libopencore_amrwb);
-    REGISTER_DECODER (LIBOPENJPEG, libopenjpeg);
+    REGISTER_ENCDEC (LIBOPENJPEG, libopenjpeg);
     REGISTER_ENCDEC  (LIBSCHROEDINGER, libschroedinger);
     REGISTER_ENCDEC  (LIBSPEEX, libspeex);
     REGISTER_DECODER (LIBSTAGEFRIGHT_H264, libstagefright_h264);