+#define OFFSET(x) offsetof(VP8Context, x)
+#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
+static const AVOption options[] = {
+ { "cpu-used", "Quality/Speed ratio modifier", OFFSET(cpu_used), AV_OPT_TYPE_INT, {.i64 = INT_MIN}, INT_MIN, INT_MAX, VE},
+ { "auto-alt-ref", "Enable use of alternate reference "
+ "frames (2-pass only)", OFFSET(auto_alt_ref), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 1, VE},
+ { "lag-in-frames", "Number of frames to look ahead for "
+ "alternate reference frame selection", OFFSET(lag_in_frames), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, VE},
+ { "arnr-maxframes", "altref noise reduction max frame count", OFFSET(arnr_max_frames), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, VE},
+ { "arnr-strength", "altref noise reduction filter strength", OFFSET(arnr_strength), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, VE},
+ { "arnr-type", "altref noise reduction filter type", OFFSET(arnr_type), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, VE, "arnr_type"},
+ { "backward", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 1}, 0, 0, VE, "arnr_type" },
+ { "forward", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 2}, 0, 0, VE, "arnr_type" },
+ { "centered", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 3}, 0, 0, VE, "arnr_type" },
+ { "deadline", "Time to spend encoding, in microseconds.", OFFSET(deadline), AV_OPT_TYPE_INT, {.i64 = VPX_DL_GOOD_QUALITY}, INT_MIN, INT_MAX, VE, "quality"},
+ { "best", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = VPX_DL_BEST_QUALITY}, 0, 0, VE, "quality"},
+ { "good", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = VPX_DL_GOOD_QUALITY}, 0, 0, VE, "quality"},
+ { "realtime", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = VPX_DL_REALTIME}, 0, 0, VE, "quality"},
+ { "error-resilient", "Error resilience configuration", OFFSET(error_resilient), AV_OPT_TYPE_FLAGS, {.i64 = 0}, INT_MIN, INT_MAX, VE, "er"},
+#ifdef VPX_ERROR_RESILIENT_DEFAULT
+ { "default", "Improve resiliency against losses of whole frames", 0, AV_OPT_TYPE_CONST, {.i64 = VPX_ERROR_RESILIENT_DEFAULT}, 0, 0, VE, "er"},
+ { "partitions", "The frame partitions are independently decodable "
+ "by the bool decoder, meaning that partitions can be decoded even "
+ "though earlier partitions have been lost. Note that intra predicition"
+ " is still done over the partition boundary.", 0, AV_OPT_TYPE_CONST, {.i64 = VPX_ERROR_RESILIENT_PARTITIONS}, 0, 0, VE, "er"},
+#endif
+ { "crf", "Select the quality for constant quality mode", offsetof(VP8Context, crf), AV_OPT_TYPE_INT, {.i64 = 0}, 0, 63, VE },
+ { NULL }
+};
+
+static const AVCodecDefault defaults[] = {
+ { "qmin", "-1" },
+ { "qmax", "-1" },
+ { "g", "-1" },
+ { "keyint_min", "-1" },
+ { NULL },
+};
+
+#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",
+ .long_name = NULL_IF_CONFIG_SMALL("libvpx VP8"),
+ .type = AVMEDIA_TYPE_VIDEO,
+ .id = AV_CODEC_ID_VP8,
+ .priv_data_size = sizeof(VP8Context),
+ .init = vp8_init,
+ .encode2 = vp8_encode,
+ .close = vp8_free,
+ .capabilities = CODEC_CAP_DELAY | CODEC_CAP_AUTO_THREADS,
+ .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV420P, AV_PIX_FMT_NONE },
+ .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);
+}
+
+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",
+ .long_name = NULL_IF_CONFIG_SMALL("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 },
+ .priv_class = &class_vp9,
+ .defaults = defaults,