VP8 encoding via libvpx.

Patch by James Zern, Google, Inc.

Originally committed as revision 23449 to svn://svn.ffmpeg.org/ffmpeg/trunk

Changelog

@@ -7,7 +7,7 @@ version <next>:
 - WebM support in Matroska demuxer
 - low overhead Ogg muxing
 - MMS-TCP support
-- VP8 decoding via libvpx
+- VP8 de/encoding via libvpx
 - CODEC_CAP_EXPERIMENTAL added
 - Demuxer for On2's IVF format
 

configure

@@ -1352,6 +1352,7 @@ libspeex_decoder_deps="libspeex"
 libtheora_encoder_deps="libtheora"
 libvorbis_encoder_deps="libvorbis"
 libvpx_decoder_deps="libvpx"
+libvpx_encoder_deps="libvpx"
 libx264_encoder_deps="libx264"
 libxvid_encoder_deps="libxvid"
 
@@ -2623,7 +2624,8 @@ enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
 enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
 enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
-enabled libvpx     && require2 libvpx "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_dec_init_ver" -lvpx
+enabled libvpx     && require2 libvpx "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_dec_init_ver" -lvpx &&
+                      require2 libvpx "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver" -lvpx
 enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 -lm &&
                       { check_cpp_condition x264.h "X264_BUILD >= 98" ||
                         die "ERROR: libx264 version must be >= 0.98."; }

doc/general.texi

@@ -439,8 +439,8 @@ following image formats are supported:
     @tab fourcc: VP50
 @item On2 VP6                @tab     @tab  X
     @tab fourcc: VP60,VP61,VP62
-@item VP8                    @tab     @tab  X
-    @tab fourcc: VP80, decoding supported through external library libvpx
+@item VP8                    @tab  X  @tab  X
+    @tab fourcc: VP80, de/encoding supported through external library libvpx
 @item planar RGB             @tab     @tab  X
     @tab fourcc: 8BPS
 @item Q-team QPEG            @tab     @tab  X

libavcodec/Makefile

@@ -537,6 +537,7 @@ OBJS-$(CONFIG_LIBSPEEX_DECODER)           += libspeexdec.o
 OBJS-$(CONFIG_LIBTHEORA_ENCODER)          += libtheoraenc.o
 OBJS-$(CONFIG_LIBVORBIS_ENCODER)          += libvorbis.o
 OBJS-$(CONFIG_LIBVPX_DECODER)             += libvpxdec.o
+OBJS-$(CONFIG_LIBVPX_ENCODER)             += libvpxenc.o
 OBJS-$(CONFIG_LIBX264_ENCODER)            += libx264.o
 OBJS-$(CONFIG_LIBXVID_ENCODER)            += libxvidff.o libxvid_rc.o
 

libavcodec/allcodecs.c

@@ -349,7 +349,7 @@ void avcodec_register_all(void)
     REGISTER_DECODER (LIBSPEEX, libspeex);
     REGISTER_ENCODER (LIBTHEORA, libtheora);
     REGISTER_ENCODER (LIBVORBIS, libvorbis);
-    REGISTER_DECODER (LIBVPX, libvpx);
+    REGISTER_ENCDEC  (LIBVPX, libvpx);
     REGISTER_ENCODER (LIBX264, libx264);
     REGISTER_ENCODER (LIBXVID, libxvid);
 

libavcodec/avcodec.h

@@ -30,7 +30,7 @@
 #include "libavutil/avutil.h"
 
 #define LIBAVCODEC_VERSION_MAJOR 52
-#define LIBAVCODEC_VERSION_MINOR 73
+#define LIBAVCODEC_VERSION_MINOR 74
 #define LIBAVCODEC_VERSION_MICRO  0
 
 #define LIBAVCODEC_VERSION_INT  AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \