libvpx: make vp8 and vp9 selectable

Support older libvpx versions.

configure

@@ -197,7 +197,7 @@ External library support:
   --enable-libvo-aacenc    enable AAC encoding via libvo-aacenc [no]
   --enable-libvo-amrwbenc  enable AMR-WB encoding via libvo-amrwbenc [no]
   --enable-libvorbis       enable Vorbis encoding via libvorbis [no]
-  --enable-libvpx          enable VP8 de/encoding via libvpx [no]
+  --enable-libvpx          enable VP8 and VP9 de/encoding via libvpx [no]
   --enable-libx264         enable H.264 encoding via x264 [no]
   --enable-libxavs         enable AVS encoding via xavs [no]
   --enable-libxvid         enable Xvid encoding via xvidcore,
@@ -1660,8 +1660,10 @@ libtheora_encoder_deps="libtheora"
 libvo_aacenc_encoder_deps="libvo_aacenc"
 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
 libvorbis_encoder_deps="libvorbis"
-libvpx_decoder_deps="libvpx"
-libvpx_encoder_deps="libvpx"
+libvpx_vp8_decoder_deps="libvpx"
+libvpx_vp8_encoder_deps="libvpx"
+libvpx_vp9_decoder_deps="libvpx"
+libvpx_vp9_encoder_deps="libvpx"
 libx264_encoder_deps="libx264"
 libxavs_encoder_deps="libxavs"
 libxvid_encoder_deps="libxvid"
@@ -3485,10 +3487,12 @@ enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -l
 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
 enabled libvpx     && {
-    enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
+    enabled libvpx_vp8_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
                                 die "ERROR: libvpx decoder version must be >=0.9.1"; }
-    enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VPX_CQ" -lvpx ||
-                                die "ERROR: libvpx encoder version must be >=0.9.6"; } }
+    enabled libvpx_vp8_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VPX_CQ" -lvpx ||
+                                die "ERROR: libvpx encoder version must be >=0.9.6"; }
+    enabled libvpx_vp9_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx" -lvpx || disable libvpx_vp9_decoder;  }
+    enabled libvpx_vp9_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx" -lvpx || disable libvpx_vp9_encoder; } }
 enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
                       { check_cpp_condition x264.h "X264_BUILD >= 118" ||
                         die "ERROR: libx264 version must be >= 0.118."; }

libavcodec/Makefile

@@ -594,8 +594,10 @@ OBJS-$(CONFIG_LIBVO_AACENC_ENCODER)       += libvo-aacenc.o mpeg4audio.o
 OBJS-$(CONFIG_LIBVO_AMRWBENC_ENCODER)     += libvo-amrwbenc.o
 OBJS-$(CONFIG_LIBVORBIS_ENCODER)          += libvorbis.o audio_frame_queue.o \
                                              vorbis_data.o vorbis_parser.o
-OBJS-$(CONFIG_LIBVPX_DECODER)             += libvpxdec.o
-OBJS-$(CONFIG_LIBVPX_ENCODER)             += libvpxenc.o
+OBJS-$(CONFIG_LIBVPX_VP8_DECODER)         += libvpxdec.o
+OBJS-$(CONFIG_LIBVPX_VP8_ENCODER)         += libvpxenc.o
+OBJS-$(CONFIG_LIBVPX_VP9_DECODER)         += libvpxdec.o
+OBJS-$(CONFIG_LIBVPX_VP9_ENCODER)         += libvpxenc.o
 OBJS-$(CONFIG_LIBX264_ENCODER)            += libx264.o
 OBJS-$(CONFIG_LIBXAVS_ENCODER)            += libxavs.o
 OBJS-$(CONFIG_LIBXVID_ENCODER)            += libxvid.o

libavcodec/allcodecs.c

@@ -426,8 +426,8 @@ void avcodec_register_all(void)
     REGISTER_ENCODER(LIBVO_AACENC,      libvo_aacenc);
     REGISTER_ENCODER(LIBVO_AMRWBENC,    libvo_amrwbenc);
     REGISTER_ENCODER(LIBVORBIS,         libvorbis);
-    REGISTER_ENCDEC (LIBVPX,            libvpx);
-    REGISTER_ENCDEC (LIBVPX,            libvpx_vp9);
+    REGISTER_ENCDEC (LIBVPX_VP8,        libvpx_vp8);
+    REGISTER_ENCDEC (LIBVPX_VP9,        libvpx_vp9);
     REGISTER_ENCODER(LIBX264,           libx264);
     REGISTER_ENCODER(LIBXAVS,           libxavs);
     REGISTER_ENCODER(LIBXVID,           libxvid);

libavcodec/libvpxdec.c

@@ -58,11 +58,6 @@ static av_cold int vpx_init(AVCodecContext *avctx,
     return 0;
 }
 
-static av_cold int vp8_init(AVCodecContext *avctx)
-{
-    return vpx_init(avctx, &vpx_codec_vp8_dx_algo);
-}
-
 static int vp8_decode(AVCodecContext *avctx,
                       void *data, int *got_frame, AVPacket *avpkt)
 {
@@ -117,7 +112,13 @@ static av_cold int vp8_free(AVCodecContext *avctx)
     return 0;
 }
 
-AVCodec ff_libvpx_decoder = {
+#if CONFIG_LIBVPX_VP8_DECODER
+static av_cold int vp8_init(AVCodecContext *avctx)
+{
+    return vpx_init(avctx, &vpx_codec_vp8_dx_algo);
+}
+
+AVCodec ff_libvpx_vp8_decoder = {
     .name           = "libvpx",
     .type           = AVMEDIA_TYPE_VIDEO,
     .id             = AV_CODEC_ID_VP8,
@@ -128,7 +129,9 @@ AVCodec ff_libvpx_decoder = {
     .capabilities   = CODEC_CAP_AUTO_THREADS,
     .long_name      = NULL_IF_CONFIG_SMALL("libvpx VP8"),
 };
+#endif /* CONFIG_LIBVPX_VP8_DECODER */
 
+#if CONFIG_LIBVPX_VP9_DECODER
 static av_cold int vp9_init(AVCodecContext *avctx)
 {
     return vpx_init(avctx, &vpx_codec_vp9_dx_algo);
@@ -145,3 +148,4 @@ AVCodec ff_libvpx_vp9_decoder = {
     .capabilities   = CODEC_CAP_AUTO_THREADS | CODEC_CAP_EXPERIMENTAL,
     .long_name      = NULL_IF_CONFIG_SMALL("libvpx VP9"),
 };
+#endif /* CONFIG_LIBVPX_VP9_DECODER */

libavcodec/libvpxenc.c

@@ -362,11 +362,6 @@ static av_cold int vpx_init(AVCodecContext *avctx,
     return 0;
 }
 
-static av_cold int vp8_init(AVCodecContext *avctx)
-{
-    return vpx_init(avctx, &vpx_codec_vp8_cx_algo);
-}
-
 static inline void cx_pktcpy(struct FrameListData *dst,
                              const struct vpx_codec_cx_pkt *src)
 {
@@ -570,13 +565,6 @@ static const AVOption options[] = {
     { NULL }
 };
 
-static const AVClass class = {
-    .class_name = "libvpx encoder",
-    .item_name  = av_default_item_name,
-    .option     = options,
-    .version    = LIBAVUTIL_VERSION_INT,
-};
-
 static const AVCodecDefault defaults[] = {
     { "qmin",             "-1" },
     { "qmax",             "-1" },
@@ -585,7 +573,20 @@ static const AVCodecDefault defaults[] = {
     { NULL },
 };
 
-AVCodec ff_libvpx_encoder = {
+#if CONFIG_LIBVPX_VP8_ENCODER
+static av_cold int vp8_init(AVCodecContext *avctx)
+{
+    return vpx_init(avctx, &vpx_codec_vp8_cx_algo);
+}
+
+static const AVClass class_vp8 = {
+    .class_name = "libvpx encoder",
+    .item_name  = av_default_item_name,
+    .option     = options,
+    .version    = LIBAVUTIL_VERSION_INT,
+};
+
+AVCodec ff_libvpx_vp8_encoder = {
     .name           = "libvpx",
     .type           = AVMEDIA_TYPE_VIDEO,
     .id             = AV_CODEC_ID_VP8,
@@ -596,11 +597,12 @@ AVCodec ff_libvpx_encoder = {
     .capabilities   = CODEC_CAP_DELAY | CODEC_CAP_AUTO_THREADS,
     .pix_fmts       = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV420P, AV_PIX_FMT_NONE },
     .long_name      = NULL_IF_CONFIG_SMALL("libvpx VP8"),
-    .priv_class     = &class,
+    .priv_class     = &class_vp8,
     .defaults       = defaults,
 };
+#endif /* CONFIG_LIBVPX_VP8_ENCODER */
 
-
+#if CONFIG_LIBVPX_VP9_ENCODER
 static av_cold int vp9_init(AVCodecContext *avctx)
 {
     return vpx_init(avctx, &vpx_codec_vp9_cx_algo);
@@ -613,7 +615,6 @@ static const AVClass class_vp9 = {
     .version    = LIBAVUTIL_VERSION_INT,
 };
 
-
 AVCodec ff_libvpx_vp9_encoder = {
     .name           = "libvpx-vp9",
     .type           = AVMEDIA_TYPE_VIDEO,
@@ -628,3 +629,4 @@ AVCodec ff_libvpx_vp9_encoder = {
     .priv_class     = &class_vp9,
     .defaults       = defaults,
 };
+#endif /* CONFIG_LIBVPX_VP9_ENCODER */