libsvtav1: Rename without a _

The external library is called libsvtav1, so use this name everywhere.

configure

@@ -3245,7 +3245,7 @@ libshine_encoder_select="audio_frame_queue"
 libspeex_decoder_deps="libspeex"
 libspeex_encoder_deps="libspeex"
 libspeex_encoder_select="audio_frame_queue"
-libsvt_av1_encoder_deps="libsvtav1"
+libsvtav1_encoder_deps="libsvtav1"
 libtheora_encoder_deps="libtheora"
 libtwolame_encoder_deps="libtwolame"
 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"

libavcodec/Makefile

@@ -1026,7 +1026,7 @@ OBJS-$(CONFIG_LIBRAV1E_ENCODER)           += librav1e.o
 OBJS-$(CONFIG_LIBSHINE_ENCODER)           += libshine.o
 OBJS-$(CONFIG_LIBSPEEX_DECODER)           += libspeexdec.o
 OBJS-$(CONFIG_LIBSPEEX_ENCODER)           += libspeexenc.o
-OBJS-$(CONFIG_LIBSVT_AV1_ENCODER)         += libsvt_av1.o
+OBJS-$(CONFIG_LIBSVTAV1_ENCODER)          += libsvtav1.o
 OBJS-$(CONFIG_LIBTHEORA_ENCODER)          += libtheoraenc.o
 OBJS-$(CONFIG_LIBTWOLAME_ENCODER)         += libtwolame.o
 OBJS-$(CONFIG_LIBVO_AMRWBENC_ENCODER)     += libvo-amrwbenc.o

libavcodec/allcodecs.c

@@ -727,7 +727,7 @@ extern AVCodec ff_librsvg_decoder;
 extern AVCodec ff_libshine_encoder;
 extern AVCodec ff_libspeex_encoder;
 extern AVCodec ff_libspeex_decoder;
-extern AVCodec ff_libsvt_av1_encoder;
+extern AVCodec ff_libsvtav1_encoder;
 extern AVCodec ff_libtheora_encoder;
 extern AVCodec ff_libtwolame_encoder;
 extern AVCodec ff_libvo_amrwbenc_encoder;

libavcodec/libsvt_av1.c → libavcodec/libsvtav1.c

@@ -543,7 +543,7 @@ static const AVOption options[] = {
 };
 
 static const AVClass class = {
-    .class_name = "libsvt_av1",
+    .class_name = "libsvtav1",
     .item_name  = av_default_item_name,
     .option     = options,
     .version    = LIBAVUTIL_VERSION_INT,
@@ -557,8 +557,8 @@ static const AVCodecDefault eb_enc_defaults[] = {
     { NULL },
 };
 
-AVCodec ff_libsvt_av1_encoder = {
-    .name           = "libsvt_av1",
+AVCodec ff_libsvtav1_encoder = {
+    .name           = "libsvtav1",
     .long_name      = NULL_IF_CONFIG_SMALL("SVT-AV1(Scalable Video Technology for AV1) encoder"),
     .priv_data_size = sizeof(SvtContext),
     .type           = AVMEDIA_TYPE_VIDEO,
@@ -573,5 +573,5 @@ AVCodec ff_libsvt_av1_encoder = {
     .priv_class     = &class,
     .defaults       = eb_enc_defaults,
     .caps_internal  = FF_CODEC_CAP_INIT_CLEANUP,
-    .wrapper_name   = "libsvt_av1",
+    .wrapper_name   = "libsvtav1",
 };