diff --git a/ext_includes/libavcodec/avcodec.h b/ext_includes/libavcodec/avcodec.h
index fc928a18..00f9c82a 100644
--- a/ext_includes/libavcodec/avcodec.h
+++ b/ext_includes/libavcodec/avcodec.h
@@ -445,6 +445,7 @@ enum AVCodecID {
     AV_CODEC_ID_BITPACKED,
     AV_CODEC_ID_MSCC,
     AV_CODEC_ID_SRGC,
+    AV_CODEC_ID_SVG,
 
     /* various PCM "codecs" */
     AV_CODEC_ID_FIRST_AUDIO = 0x10000,     ///< A dummy id pointing at the start of audio codecs
@@ -1593,6 +1594,16 @@ enum AVPacketSideDataType {
      * AVContentLightMetadata struct.
      */
     AV_PKT_DATA_CONTENT_LIGHT_LEVEL,
+
+    /**
+     * The number of side data elements (in fact a bit more than it).
+     * This is not part of the public API/ABI in the sense that it may
+     * change when new side data types are added.
+     * This must stay the last enum value.
+     * If its value becomes huge, some code using it
+     * needs to be updated as it assumes it to be smaller than other limits.
+     */
+    AV_PKT_DATA_NB
 };
 
 #define AV_PKT_DATA_QUALITY_FACTOR AV_PKT_DATA_QUALITY_STATS //DEPRECATED
@@ -3644,6 +3655,33 @@ typedef struct AVCodecContext {
      *             AVCodecContext.get_format callback)
      */
     int hwaccel_flags;
+
+    /**
+     * Video decoding only. Certain video codecs support cropping, meaning that
+     * only a sub-rectangle of the decoded frame is intended for display.  This
+     * option controls how cropping is handled by libavcodec.
+     *
+     * When set to 1 (the default), libavcodec will apply cropping internally.
+     * I.e. it will modify the output frame width/height fields and offset the
+     * data pointers (only by as much as possible while preserving alignment, or
+     * by the full amount if the AV_CODEC_FLAG_UNALIGNED flag is set) so that
+     * the frames output by the decoder refer only to the cropped area. The
+     * crop_* fields of the output frames will be zero.
+     *
+     * When set to 0, the width/height fields of the output frames will be set
+     * to the coded dimensions and the crop_* fields will describe the cropping
+     * rectangle. Applying the cropping is left to the caller.
+     *
+     * @warning When hardware acceleration with opaque output frames is used,
+     * libavcodec is unable to apply cropping from the top/left border.
+     *
+     * @note when this option is set to zero, the width/height fields of the
+     * AVCodecContext and output AVFrames have different meanings. The codec
+     * context fields store display dimensions (with the coded dimensions in
+     * coded_width/height), while the frame fields store the coded dimensions
+     * (with the display dimensions being determined by the crop_* fields).
+     */
+    int apply_cropping;
 } AVCodecContext;
 
 AVRational av_codec_get_pkt_timebase         (const AVCodecContext *avctx);
@@ -3764,20 +3802,22 @@ typedef struct AVCodec {
     int (*decode)(AVCodecContext *, void *outdata, int *outdata_size, AVPacket *avpkt);
     int (*close)(AVCodecContext *);
     /**
-     * Decode/encode API with decoupled packet/frame dataflow. The API is the
+     * Encode API with decoupled packet/frame dataflow. The API is the
      * same as the avcodec_ prefixed APIs (avcodec_send_frame() etc.), except
      * that:
      * - never called if the codec is closed or the wrong type,
-     * - AVPacket parameter change side data is applied right before calling
-     *   AVCodec->send_packet,
-     * - if AV_CODEC_CAP_DELAY is not set, drain packets or frames are never sent,
-     * - only one drain packet is ever passed down (until the next flush()),
-     * - a drain AVPacket is always NULL (no need to check for avpkt->size).
+     * - if AV_CODEC_CAP_DELAY is not set, drain frames are never sent,
+     * - only one drain frame is ever passed down,
      */
     int (*send_frame)(AVCodecContext *avctx, const AVFrame *frame);
-    int (*send_packet)(AVCodecContext *avctx, const AVPacket *avpkt);
-    int (*receive_frame)(AVCodecContext *avctx, AVFrame *frame);
     int (*receive_packet)(AVCodecContext *avctx, AVPacket *avpkt);
+
+    /**
+     * Decode API with decoupled packet/frame dataflow. This function is called
+     * to get one output frame. It should call ff_decode_get_packet() to obtain
+     * input data.
+     */
+    int (*receive_frame)(AVCodecContext *avctx, AVFrame *frame);
     /**
      * Flush buffers.
      * Will be called when seeking
@@ -3788,6 +3828,12 @@ typedef struct AVCodec {
      * See FF_CODEC_CAP_* in internal.h
      */
     int caps_internal;
+
+    /**
+     * Decoding only, a comma-separated list of bitstream filters to apply to
+     * packets before decoding.
+     */
+    const char *bsfs;
 } AVCodec;
 
 int av_codec_get_max_lowres(const AVCodec *codec);
@@ -6037,8 +6083,7 @@ int av_bsf_init(AVBSFContext *ctx);
  * av_bsf_receive_packet() repeatedly until it returns AVERROR(EAGAIN) or
  * AVERROR_EOF.
  *
- * @param pkt the packet to filter. pkt must contain some payload (i.e data or
- * side data must be present in pkt). The bitstream filter will take ownership of
+ * @param pkt the packet to filter. The bitstream filter will take ownership of
  * the packet and reset the contents of pkt. pkt is not touched if an error occurs.
  * This parameter may be NULL, which signals the end of the stream (i.e. no more
  * packets will be sent). That will cause the filter to output any packets it
diff --git a/ext_includes/libavcodec/version.h b/ext_includes/libavcodec/version.h
index 46872b05..5f2321cf 100644
--- a/ext_includes/libavcodec/version.h
+++ b/ext_includes/libavcodec/version.h
@@ -28,8 +28,8 @@
 #include "libavutil/version.h"
 
 #define LIBAVCODEC_VERSION_MAJOR  57
-#define LIBAVCODEC_VERSION_MINOR  93
-#define LIBAVCODEC_VERSION_MICRO 100
+#define LIBAVCODEC_VERSION_MINOR  96
+#define LIBAVCODEC_VERSION_MICRO 101
 
 #define LIBAVCODEC_VERSION_INT  AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
                                                LIBAVCODEC_VERSION_MINOR, \
diff --git a/ext_includes/libavutil/ffversion.h b/ext_includes/libavutil/ffversion.h
index 525ea3fe..02d49a43 100644
--- a/ext_includes/libavutil/ffversion.h
+++ b/ext_includes/libavutil/ffversion.h
@@ -1,5 +1,5 @@
 /* Automatically generated by version.sh, do not manually edit! */
 #ifndef AVUTIL_FFVERSION_H
 #define AVUTIL_FFVERSION_H
-#define FFMPEG_VERSION "N-85607-g4d15724952"
+#define FFMPEG_VERSION "N-86221-g3dd242ef49"
 #endif /* AVUTIL_FFVERSION_H */
diff --git a/ext_includes/libavutil/frame.h b/ext_includes/libavutil/frame.h
index 4d8c1bed..26261d7e 100644
--- a/ext_includes/libavutil/frame.h
+++ b/ext_includes/libavutil/frame.h
@@ -25,6 +25,7 @@
 #ifndef AVUTIL_FRAME_H
 #define AVUTIL_FRAME_H
 
+#include <stddef.h>
 #include <stdint.h>
 
 #include "avutil.h"
@@ -240,9 +241,18 @@ typedef struct AVFrame {
     uint8_t **extended_data;
 
     /**
-     * width and height of the video frame
+     * @name Video dimensions
+     * Video frames only. The coded dimensions (in pixels) of the video frame,
+     * i.e. the size of the rectangle that contains some well-defined values.
+     *
+     * @note The part of the frame intended for display/presentation is further
+     * restricted by the @ref cropping "Cropping rectangle".
+     * @{
      */
     int width, height;
+    /**
+     * @}
+     */
 
     /**
      * number of audio samples (per channel) described by this frame
@@ -530,6 +540,22 @@ typedef struct AVFrame {
      * purpose.
      */
     AVBufferRef *opaque_ref;
+
+    /**
+     * @anchor cropping
+     * @name Cropping
+     * Video frames only. The number of pixels to discard from the the
+     * top/bottom/left/right border of the frame to obtain the sub-rectangle of
+     * the frame intended for presentation.
+     * @{
+     */
+    size_t crop_top;
+    size_t crop_bottom;
+    size_t crop_left;
+    size_t crop_right;
+    /**
+     * @}
+     */
 } AVFrame;
 
 /**
diff --git a/ext_includes/libavutil/hwcontext.h b/ext_includes/libavutil/hwcontext.h
index 284b0912..cfc6ad0e 100644
--- a/ext_includes/libavutil/hwcontext.h
+++ b/ext_includes/libavutil/hwcontext.h
@@ -30,6 +30,7 @@ enum AVHWDeviceType {
     AV_HWDEVICE_TYPE_VAAPI,
     AV_HWDEVICE_TYPE_DXVA2,
     AV_HWDEVICE_TYPE_QSV,
+    AV_HWDEVICE_TYPE_VIDEOTOOLBOX,
 };
 
 typedef struct AVHWDeviceInternal AVHWDeviceInternal;
diff --git a/ext_includes/libavutil/hwcontext_videotoolbox.h b/ext_includes/libavutil/hwcontext_videotoolbox.h
new file mode 100644
index 00000000..380918d9
--- /dev/null
+++ b/ext_includes/libavutil/hwcontext_videotoolbox.h
@@ -0,0 +1,54 @@
+/*
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef AVUTIL_HWCONTEXT_VIDEOTOOLBOX_H
+#define AVUTIL_HWCONTEXT_VIDEOTOOLBOX_H
+
+#include <stdint.h>
+
+#include <VideoToolbox/VideoToolbox.h>
+
+#include "pixfmt.h"
+
+/**
+ * @file
+ * An API-specific header for AV_HWDEVICE_TYPE_VIDEOTOOLBOX.
+ *
+ * This API currently does not support frame allocation, as the raw VideoToolbox
+ * API does allocation, and FFmpeg itself never has the need to allocate frames.
+ *
+ * If the API user sets a custom pool, AVHWFramesContext.pool must return
+ * AVBufferRefs whose data pointer is a CVImageBufferRef or CVPixelBufferRef.
+ *
+ * Currently AVHWDeviceContext.hwctx and AVHWFramesContext.hwctx are always
+ * NULL.
+ */
+
+/**
+ * Convert a VideoToolbox (actually CoreVideo) format to AVPixelFormat.
+ * Returns AV_PIX_FMT_NONE if no known equivalent was found.
+ */
+enum AVPixelFormat av_map_videotoolbox_format_to_pixfmt(uint32_t cv_fmt);
+
+/**
+ * Convert an AVPixelFormat to a VideoToolbox (actually CoreVideo) format.
+ * Returns 0 if no known equivalent was found.
+ */
+uint32_t av_map_videotoolbox_format_from_pixfmt(enum AVPixelFormat pix_fmt);
+
+#endif /* AVUTIL_HWCONTEXT_VIDEOTOOLBOX_H */
diff --git a/ext_includes/libavutil/md5.h b/ext_includes/libavutil/md5.h
index 9571c1fa..ca72ccbf 100644
--- a/ext_includes/libavutil/md5.h
+++ b/ext_includes/libavutil/md5.h
@@ -27,6 +27,7 @@
 #ifndef AVUTIL_MD5_H
 #define AVUTIL_MD5_H
 
+#include <stddef.h>
 #include <stdint.h>
 
 #include "attributes.h"
@@ -63,7 +64,11 @@ void av_md5_init(struct AVMD5 *ctx);
  * @param src input data to update hash with
  * @param len input data length
  */
+#if FF_API_CRYPTO_SIZE_T
 void av_md5_update(struct AVMD5 *ctx, const uint8_t *src, int len);
+#else
+void av_md5_update(struct AVMD5 *ctx, const uint8_t *src, size_t len);
+#endif
 
 /**
  * Finish hashing and output digest value.
@@ -80,7 +85,11 @@ void av_md5_final(struct AVMD5 *ctx, uint8_t *dst);
  * @param src The data to hash
  * @param len The length of the data, in bytes
  */
+#if FF_API_CRYPTO_SIZE_T
 void av_md5_sum(uint8_t *dst, const uint8_t *src, const int len);
+#else
+void av_md5_sum(uint8_t *dst, const uint8_t *src, size_t len);
+#endif
 
 /**
  * @}
diff --git a/ext_includes/libavutil/sha.h b/ext_includes/libavutil/sha.h
index c7558a89..c0180e57 100644
--- a/ext_includes/libavutil/sha.h
+++ b/ext_includes/libavutil/sha.h
@@ -27,6 +27,7 @@
 #ifndef AVUTIL_SHA_H
 #define AVUTIL_SHA_H
 
+#include <stddef.h>
 #include <stdint.h>
 
 #include "attributes.h"
@@ -69,11 +70,15 @@ int av_sha_init(struct AVSHA* context, int bits);
 /**
  * Update hash value.
  *
- * @param context hash function context
+ * @param ctx     hash function context
  * @param data    input data to update hash with
  * @param len     input data length
  */
-void av_sha_update(struct AVSHA* context, const uint8_t* data, unsigned int len);
+#if FF_API_CRYPTO_SIZE_T
+void av_sha_update(struct AVSHA *ctx, const uint8_t *data, unsigned int len);
+#else
+void av_sha_update(struct AVSHA *ctx, const uint8_t *data, size_t len);
+#endif
 
 /**
  * Finish hashing and output digest value.
diff --git a/ext_includes/libavutil/sha512.h b/ext_includes/libavutil/sha512.h
index 5bac184c..bef714b4 100644
--- a/ext_includes/libavutil/sha512.h
+++ b/ext_includes/libavutil/sha512.h
@@ -28,6 +28,7 @@
 #ifndef AVUTIL_SHA512_H
 #define AVUTIL_SHA512_H
 
+#include <stddef.h>
 #include <stdint.h>
 
 #include "attributes.h"
@@ -75,7 +76,11 @@ int av_sha512_init(struct AVSHA512* context, int bits);
  * @param data    input data to update hash with
  * @param len     input data length
  */
+#if FF_API_CRYPTO_SIZE_T
 void av_sha512_update(struct AVSHA512* context, const uint8_t* data, unsigned int len);
+#else
+void av_sha512_update(struct AVSHA512* context, const uint8_t* data, size_t len);
+#endif
 
 /**
  * Finish hashing and output digest value.
diff --git a/ext_includes/libavutil/timecode.h b/ext_includes/libavutil/timecode.h
index 56e3975f..37c1361b 100644
--- a/ext_includes/libavutil/timecode.h
+++ b/ext_includes/libavutil/timecode.h
@@ -30,7 +30,7 @@
 #include <stdint.h>
 #include "rational.h"
 
-#define AV_TIMECODE_STR_SIZE 16
+#define AV_TIMECODE_STR_SIZE 23
 
 enum AVTimecodeFlag {
     AV_TIMECODE_FLAG_DROPFRAME      = 1<<0, ///< timecode is drop frame
diff --git a/ext_includes/libavutil/version.h b/ext_includes/libavutil/version.h
index bba39e01..fb61dcc6 100644
--- a/ext_includes/libavutil/version.h
+++ b/ext_includes/libavutil/version.h
@@ -78,8 +78,9 @@
  * @{
  */
 
+
 #define LIBAVUTIL_VERSION_MAJOR  55
-#define LIBAVUTIL_VERSION_MINOR  61
+#define LIBAVUTIL_VERSION_MINOR  63
 #define LIBAVUTIL_VERSION_MICRO 100
 
 #define LIBAVUTIL_VERSION_INT   AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \
@@ -135,6 +136,9 @@
 #ifndef FF_API_PKT_PTS
 #define FF_API_PKT_PTS                  (LIBAVUTIL_VERSION_MAJOR < 56)
 #endif
+#ifndef FF_API_CRYPTO_SIZE_T
+#define FF_API_CRYPTO_SIZE_T            (LIBAVUTIL_VERSION_MAJOR < 56)
+#endif
 
 
 /**
diff --git a/ext_libs/avcodec-vgmstream-57.dll b/ext_libs/avcodec-vgmstream-57.dll
index 1ea8201a..c443eada 100644
Binary files a/ext_libs/avcodec-vgmstream-57.dll and b/ext_libs/avcodec-vgmstream-57.dll differ
diff --git a/ext_libs/avcodec-vgmstream-57.dll.asc b/ext_libs/avcodec-vgmstream-57.dll.asc
index 9f273777..d0d813f6 100644
--- a/ext_libs/avcodec-vgmstream-57.dll.asc
+++ b/ext_libs/avcodec-vgmstream-57.dll.asc
@@ -1,17 +1,17 @@
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 Version: GnuPG v2
 
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diff --git a/ext_libs/avformat-vgmstream-57.dll b/ext_libs/avformat-vgmstream-57.dll
index 19d14dd1..7da632c5 100644
Binary files a/ext_libs/avformat-vgmstream-57.dll and b/ext_libs/avformat-vgmstream-57.dll differ
diff --git a/ext_libs/avformat-vgmstream-57.dll.asc b/ext_libs/avformat-vgmstream-57.dll.asc
index cdf33be0..8652fda4 100644
--- a/ext_libs/avformat-vgmstream-57.dll.asc
+++ b/ext_libs/avformat-vgmstream-57.dll.asc
@@ -1,17 +1,17 @@
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diff --git a/ext_libs/avutil-vgmstream-55.dll b/ext_libs/avutil-vgmstream-55.dll
index c5e29d06..bd25f0f7 100644
Binary files a/ext_libs/avutil-vgmstream-55.dll and b/ext_libs/avutil-vgmstream-55.dll differ
diff --git a/ext_libs/avutil-vgmstream-55.dll.asc b/ext_libs/avutil-vgmstream-55.dll.asc
index b8782097..86f636de 100644
--- a/ext_libs/avutil-vgmstream-55.dll.asc
+++ b/ext_libs/avutil-vgmstream-55.dll.asc
@@ -1,17 +1,17 @@
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diff --git a/ext_libs/ffmpeg_options.txt b/ext_libs/ffmpeg_options.txt
index 07e5952f..33f5879d 100644
--- a/ext_libs/ffmpeg_options.txt
+++ b/ext_libs/ffmpeg_options.txt
@@ -21,8 +21,8 @@
 --disable-everything
 --enable-hwaccels
 --enable-parser=ac3,mpegaudio,xma,vorbis
---enable-demuxer=ac3,asf,xwma,mov,oma,ogg,tak,dsf,wav,aac,dts,dtshd,mp3,bink,flac,msf,xmv,caf
---enable-decoder=ac3,wmapro,wmav1,wmav2,wmavoice,wmalossless,xma1,xma2,dca,tak,dsd_lsbf,dsd_lsbf_planar,dsd_mbf,dsd_msbf_planar,aac,atrac3,atrac3p,mp3float,bink,binkaudio_dct,binkaudio_rdft,flac,pcm_s16be,pcm_s16be_planar,pcm_s16le,pcm_s16le_planar,vorbis
+--enable-demuxer=ac3,asf,xwma,mov,oma,ogg,tak,dsf,wav,aac,dts,dtshd,mp3,bink,flac,msf,xmv,caf,ape
+--enable-decoder=ac3,wmapro,wmav1,wmav2,wmavoice,wmalossless,xma1,xma2,dca,tak,dsd_lsbf,dsd_lsbf_planar,dsd_mbf,dsd_msbf_planar,aac,atrac3,atrac3p,mp3float,bink,binkaudio_dct,binkaudio_rdft,flac,pcm_s16be,pcm_s16be_planar,pcm_s16le,pcm_s16le_planar,vorbis,ape
 --disable-parser=mpeg4video,h263
 --disable-decoder=mpeg2video,h263,h264,mpeg1video,mpeg2video,mpeg4,hevc,vp9
 --disable-cuvid