From dab1f543fcac7ad3dcdd427fc1b859667c82aaa2 Mon Sep 17 00:00:00 2001
From: Luca Barbato <lu_zero@gentoo.org>
Date: Thu, 20 Dec 2012 17:22:06 +0100
Subject: libvpx: support vp9

This feature is experimental use at your risk
---
 libavcodec/allcodecs.c  |  1 +
 libavcodec/codec_desc.c |  7 +++++++
 libavcodec/libvpxdec.c  | 26 ++++++++++++++++++++++++--
 libavcodec/libvpxenc.c  | 38 ++++++++++++++++++++++++++++++++++++--
 4 files changed, 68 insertions(+), 4 deletions(-)

(limited to 'libavcodec')

diff --git a/libavcodec/allcodecs.c b/libavcodec/allcodecs.c
index 4622a03491..1aed693fa5 100644
--- a/libavcodec/allcodecs.c
+++ b/libavcodec/allcodecs.c
@@ -427,6 +427,7 @@ void avcodec_register_all(void)
     REGISTER_ENCODER(LIBVO_AMRWBENC,    libvo_amrwbenc);
     REGISTER_ENCODER(LIBVORBIS,         libvorbis);
     REGISTER_ENCDEC (LIBVPX,            libvpx);
+    REGISTER_ENCDEC (LIBVPX,            libvpx_vp9);
     REGISTER_ENCODER(LIBX264,           libx264);
     REGISTER_ENCODER(LIBXAVS,           libxavs);
     REGISTER_ENCODER(LIBXVID,           libxvid);
diff --git a/libavcodec/codec_desc.c b/libavcodec/codec_desc.c
index 77b3653312..fe2cbab0ba 100644
--- a/libavcodec/codec_desc.c
+++ b/libavcodec/codec_desc.c
@@ -1012,6 +1012,13 @@ static const AVCodecDescriptor codec_descriptors[] = {
         .long_name = NULL_IF_CONFIG_SMALL("On2 VP8"),
         .props     = AV_CODEC_PROP_LOSSY,
     },
+    {
+        .id        = AV_CODEC_ID_VP9,
+        .type      = AVMEDIA_TYPE_VIDEO,
+        .name      = "vp9",
+        .long_name = NULL_IF_CONFIG_SMALL("Google VP9"),
+        .props     = AV_CODEC_PROP_LOSSY,
+    },
     {
         .id        = AV_CODEC_ID_PICTOR,
         .type      = AVMEDIA_TYPE_VIDEO,
diff --git a/libavcodec/libvpxdec.c b/libavcodec/libvpxdec.c
index 6419e281b7..06ca69dc61 100644
--- a/libavcodec/libvpxdec.c
+++ b/libavcodec/libvpxdec.c
@@ -35,10 +35,10 @@ typedef struct VP8DecoderContext {
     struct vpx_codec_ctx decoder;
 } VP8Context;
 
-static av_cold int vp8_init(AVCodecContext *avctx)
+static av_cold int vpx_init(AVCodecContext *avctx,
+                            const struct vpx_codec_iface *iface)
 {
     VP8Context *ctx = avctx->priv_data;
-    const struct vpx_codec_iface *iface = &vpx_codec_vp8_dx_algo;
     struct vpx_codec_dec_cfg deccfg = {
         /* token partitions+1 would be a decent choice */
         .threads = FFMIN(avctx->thread_count, 16)
@@ -58,6 +58,11 @@ static av_cold int vp8_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)
 {
@@ -123,3 +128,20 @@ AVCodec ff_libvpx_decoder = {
     .capabilities   = CODEC_CAP_AUTO_THREADS,
     .long_name      = NULL_IF_CONFIG_SMALL("libvpx VP8"),
 };
+
+static av_cold int vp9_init(AVCodecContext *avctx)
+{
+    return vpx_init(avctx, &vpx_codec_vp9_dx_algo);
+}
+
+AVCodec ff_libvpx_vp9_decoder = {
+    .name           = "libvpx-vp9",
+    .type           = AVMEDIA_TYPE_VIDEO,
+    .id             = AV_CODEC_ID_VP9,
+    .priv_data_size = sizeof(VP8Context),
+    .init           = vp9_init,
+    .close          = vp8_free,
+    .decode         = vp8_decode,
+    .capabilities   = CODEC_CAP_AUTO_THREADS | CODEC_CAP_EXPERIMENTAL,
+    .long_name      = NULL_IF_CONFIG_SMALL("libvpx VP9"),
+};
diff --git a/libavcodec/libvpxenc.c b/libavcodec/libvpxenc.c
index 17b9800f25..7f7cad9e3a 100644
--- a/libavcodec/libvpxenc.c
+++ b/libavcodec/libvpxenc.c
@@ -214,10 +214,10 @@ static av_cold int vp8_free(AVCodecContext *avctx)
     return 0;
 }
 
-static av_cold int vp8_init(AVCodecContext *avctx)
+static av_cold int vpx_init(AVCodecContext *avctx,
+                            const struct vpx_codec_iface *iface)
 {
     VP8Context *ctx = avctx->priv_data;
-    const struct vpx_codec_iface *iface = &vpx_codec_vp8_cx_algo;
     struct vpx_codec_enc_cfg enccfg;
     int res;
 
@@ -362,6 +362,11 @@ static av_cold int vp8_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)
 {
@@ -594,3 +599,32 @@ AVCodec ff_libvpx_encoder = {
     .priv_class     = &class,
     .defaults       = defaults,
 };
+
+
+static av_cold int vp9_init(AVCodecContext *avctx)
+{
+    return vpx_init(avctx, &vpx_codec_vp9_cx_algo);
+}
+
+static const AVClass class_vp9 = {
+    .class_name = "libvpx encoder",
+    .item_name  = av_default_item_name,
+    .option     = options,
+    .version    = LIBAVUTIL_VERSION_INT,
+};
+
+
+AVCodec ff_libvpx_vp9_encoder = {
+    .name           = "libvpx-vp9",
+    .type           = AVMEDIA_TYPE_VIDEO,
+    .id             = AV_CODEC_ID_VP9,
+    .priv_data_size = sizeof(VP8Context),
+    .init           = vp9_init,
+    .encode2        = vp8_encode,
+    .close          = vp8_free,
+    .capabilities   = CODEC_CAP_DELAY | CODEC_CAP_AUTO_THREADS | CODEC_CAP_EXPERIMENTAL,
+    .pix_fmts       = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV420P, AV_PIX_FMT_NONE },
+    .long_name      = NULL_IF_CONFIG_SMALL("libvpx VP9"),
+    .priv_class     = &class_vp9,
+    .defaults       = defaults,
+};
-- 
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