diff --git a/Scripts/ffmpeg-build.sh b/Scripts/ffmpeg-build.sh
index 1018c028e..898154a84 100755
--- a/Scripts/ffmpeg-build.sh
+++ b/Scripts/ffmpeg-build.sh
@@ -6,13 +6,9 @@
     --disable-postproc --disable-swresample --disable-avfilter\
     --disable-swscale --disable-network --disable-swscale-alpha --disable-vdpau\
     --disable-dxva2 --disable-everything --enable-hwaccels\
-    --enable-parser=ac3,mpegaudio,xma\
-    --enable-demuxer=ac3,asf,xwma,mov,oma,ogg,tak,dsf,wav,aac,dts,dtshd,mp3\
-    --enable-demuxer=bink,flac,msf,xmv\
-    --enable-decoder=ac3,wmapro,wmav1,wmav2,wmavoice,wmalossless,xma1,xma2\
-    --enable-decoder=dca,tak,dsd_lsbf,dsd_lsbf_planar,dsd_msbf,dsd_msbf_planar\
-    --enable-decoder=aac,atrac3,atrac3p,mp3float,bink,binkaudio_dct,binkaudio_rdft\
-    --enable-decoder=flac,pcm_s16be,pcm_s16be_planar,pcm_s16le,pcm_s16le_planar,theora\
+    --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\
     --disable-parser=mpeg4video,h263\
     --disable-decoder=mpeg2video,h263,h264,mpeg1video,mpeg2video,mpeg4,hevc,vp9\
     --disable-version3
diff --git a/ThirdParty/ffmpeg/include/libavcodec/avcodec.h b/ThirdParty/ffmpeg/include/libavcodec/avcodec.h
index 1e681e989..e32f57983 100644
--- a/ThirdParty/ffmpeg/include/libavcodec/avcodec.h
+++ b/ThirdParty/ffmpeg/include/libavcodec/avcodec.h
@@ -112,6 +112,12 @@
  * are filled. This situation is handled transparently if you follow the steps
  * outlined above.
  *
+ * In theory, sending input can result in EAGAIN - this should happen only if
+ * not all output was received. You can use this to structure alternative decode
+ * or encode loops other than the one suggested above. For example, you could
+ * try sending new input on each iteration, and try to receive output if that
+ * returns EAGAIN.
+ *
  * End of stream situations. These require "flushing" (aka draining) the codec,
  * as the codec might buffer multiple frames or packets internally for
  * performance or out of necessity (consider B-frames).
@@ -146,7 +152,8 @@
  *   Unlike with the old video decoding API, multiple frames might result from
  *   a packet. For audio, splitting the input packet into frames by partially
  *   decoding packets becomes transparent to the API user. You never need to
- *   feed an AVPacket to the API twice.
+ *   feed an AVPacket to the API twice (unless it is rejected with EAGAIN - then
+ *   no data was read from the packet).
  *   Additionally, sending a flush/draining packet is required only once.
  * - avcodec_encode_video2()/avcodec_encode_audio2():
  *   Use avcodec_send_frame() to feed input to the encoder, then use
@@ -159,7 +166,22 @@
  * and will result in undefined behavior.
  *
  * Some codecs might require using the new API; using the old API will return
- * an error when calling it.
+ * an error when calling it. All codecs support the new API.
+ *
+ * A codec is not allowed to return EAGAIN for both sending and receiving. This
+ * would be an invalid state, which could put the codec user into an endless
+ * loop. The API has no concept of time either: it cannot happen that trying to
+ * do avcodec_send_packet() results in EAGAIN, but a repeated call 1 second
+ * later accepts the packet (with no other receive/flush API calls involved).
+ * The API is a strict state machine, and the passage of time is not supposed
+ * to influence it. Some timing-dependent behavior might still be deemed
+ * acceptable in certain cases. But it must never result in both send/receive
+ * returning EAGAIN at the same time at any point. It must also absolutely be
+ * avoided that the current state is "unstable" and can "flip-flop" between
+ * the send/receive APIs allowing progress. For example, it's not allowed that
+ * the codec randomly decides that it actually wants to consume a packet now
+ * instead of returning a frame, after it just returned EAGAIN on an
+ * avcodec_send_packet() call.
  * @}
  */
 
@@ -414,6 +436,10 @@ enum AVCodecID {
     AV_CODEC_ID_PSD,
     AV_CODEC_ID_PIXLET,
     AV_CODEC_ID_SPEEDHQ,
+    AV_CODEC_ID_FMVC,
+    AV_CODEC_ID_SCPR,
+    AV_CODEC_ID_CLEARVIDEO,
+    AV_CODEC_ID_XPM,
 
     /* various PCM "codecs" */
     AV_CODEC_ID_FIRST_AUDIO = 0x10000,     ///< A dummy id pointing at the start of audio codecs
@@ -603,6 +629,8 @@ enum AVCodecID {
     AV_CODEC_ID_XMA1,
     AV_CODEC_ID_XMA2,
     AV_CODEC_ID_DST,
+    AV_CODEC_ID_ATRAC3AL,
+    AV_CODEC_ID_ATRAC3PAL,
 
     /* subtitle codecs */
     AV_CODEC_ID_FIRST_SUBTITLE = 0x17000,          ///< A dummy ID pointing at the start of subtitle codecs.
@@ -1676,7 +1704,7 @@ enum AVFieldOrder {
  * New fields can be added to the end with minor version bumps.
  * Removal, reordering and changes to existing fields require a major
  * version bump.
- * Please use AVOptions (av_opt* / av_set/get*()) to access these fields from user
+ * You can use AVOptions (av_opt* / av_set/get*()) to access these fields from user
  * applications.
  * The name string for AVOptions options matches the associated command line
  * parameter name and can be found in libavcodec/options_table.h
@@ -2947,8 +2975,8 @@ typedef struct AVCodecContext {
 #define FF_DEBUG_MMCO        0x00000800
 #define FF_DEBUG_BUGS        0x00001000
 #if FF_API_DEBUG_MV
-#define FF_DEBUG_VIS_QP      0x00002000 ///< only access through AVOptions from outside libavcodec
-#define FF_DEBUG_VIS_MB_TYPE 0x00004000 ///< only access through AVOptions from outside libavcodec
+#define FF_DEBUG_VIS_QP      0x00002000
+#define FF_DEBUG_VIS_MB_TYPE 0x00004000
 #endif
 #define FF_DEBUG_BUFFERS     0x00008000
 #define FF_DEBUG_THREADS     0x00010000
@@ -2958,7 +2986,6 @@ typedef struct AVCodecContext {
 #if FF_API_DEBUG_MV
     /**
      * debug
-     * Code outside libavcodec should access this field using AVOptions
      * - encoding: Set by user.
      * - decoding: Set by user.
      */
@@ -3093,8 +3120,6 @@ typedef struct AVCodecContext {
      * low resolution decoding, 1-> 1/2 size, 2->1/4 size
      * - encoding: unused
      * - decoding: Set by user.
-     * Code outside libavcodec should access this field using:
-     * av_codec_{get,set}_lowres(avctx)
      */
      int lowres;
 #endif
@@ -3395,8 +3420,6 @@ typedef struct AVCodecContext {
 
     /**
      * Timebase in which pkt_dts/pts and AVPacket.dts/pts are.
-     * Code outside libavcodec should access this field using:
-     * av_codec_{get,set}_pkt_timebase(avctx)
      * - encoding unused.
      * - decoding set by user.
      */
@@ -3404,8 +3427,6 @@ typedef struct AVCodecContext {
 
     /**
      * AVCodecDescriptor
-     * Code outside libavcodec should access this field using:
-     * av_codec_{get,set}_codec_descriptor(avctx)
      * - encoding: unused.
      * - decoding: set by libavcodec.
      */
@@ -3416,8 +3437,6 @@ typedef struct AVCodecContext {
      * low resolution decoding, 1-> 1/2 size, 2->1/4 size
      * - encoding: unused
      * - decoding: Set by user.
-     * Code outside libavcodec should access this field using:
-     * av_codec_{get,set}_lowres(avctx)
      */
      int lowres;
 #endif
@@ -3458,7 +3477,6 @@ typedef struct AVCodecContext {
      * However for formats that do not use pre-multiplied alpha
      * there might be serious artefacts (though e.g. libswscale currently
      * assumes pre-multiplied alpha anyway).
-     * Code outside libavcodec should access this field using AVOptions
      *
      * - decoding: set by user
      * - encoding: unused
@@ -3475,7 +3493,6 @@ typedef struct AVCodecContext {
 #if !FF_API_DEBUG_MV
     /**
      * debug motion vectors
-     * Code outside libavcodec should access this field using AVOptions
      * - encoding: Set by user.
      * - decoding: Set by user.
      */
@@ -3487,7 +3504,6 @@ typedef struct AVCodecContext {
 
     /**
      * custom intra quantization matrix
-     * Code outside libavcodec should access this field using av_codec_g/set_chroma_intra_matrix()
      * - encoding: Set by user, can be NULL.
      * - decoding: unused.
      */
@@ -3496,8 +3512,6 @@ typedef struct AVCodecContext {
     /**
      * dump format separator.
      * can be ", " or "\n      " or anything else
-     * Code outside libavcodec should access this field using AVOptions
-     * (NO direct access).
      * - encoding: Set by user.
      * - decoding: Set by user.
      */
@@ -3507,13 +3521,12 @@ typedef struct AVCodecContext {
      * ',' separated list of allowed decoders.
      * If NULL then all are allowed
      * - encoding: unused
-     * - decoding: set by user through AVOPtions (NO direct access)
+     * - decoding: set by user
      */
     char *codec_whitelist;
 
     /*
      * Properties of the stream that gets decoded
-     * To be accessed through av_codec_get_properties() (NO direct access)
      * - encoding: unused
      * - decoding: set by libavcodec
      */
@@ -3533,7 +3546,8 @@ typedef struct AVCodecContext {
     /**
      * A reference to the AVHWFramesContext describing the input (for encoding)
      * or output (decoding) frames. The reference is set by the caller and
-     * afterwards owned (and freed) by libavcodec.
+     * afterwards owned (and freed) by libavcodec - it should never be read by
+     * the caller after being set.
      *
      * - decoding: This field should be set by the caller from the get_format()
      *             callback. The previous reference (if any) will always be
@@ -3583,6 +3597,27 @@ typedef struct AVCodecContext {
      */
     int64_t max_pixels;
 
+    /**
+     * A reference to the AVHWDeviceContext describing the device which will
+     * be used by a hardware encoder/decoder.  The reference is set by the
+     * caller and afterwards owned (and freed) by libavcodec.
+     *
+     * This should be used if either the codec device does not require
+     * hardware frames or any that are used are to be allocated internally by
+     * libavcodec.  If the user wishes to supply any of the frames used as
+     * encoder input or decoder output then hw_frames_ctx should be used
+     * instead.  When hw_frames_ctx is set in get_format() for a decoder, this
+     * field will be ignored while decoding the associated stream segment, but
+     * may again be used on a following one after another get_format() call.
+     *
+     * For both encoders and decoders this field should be set before
+     * avcodec_open2() is called and must not be written to thereafter.
+     *
+     * Note that some decoders may require this field to be set initially in
+     * order to support hw_frames_ctx at all - in that case, all frames
+     * contexts used must be created on the same device.
+     */
+    AVBufferRef *hw_device_ctx;
 } AVCodecContext;
 
 AVRational av_codec_get_pkt_timebase         (const AVCodecContext *avctx);
@@ -3642,7 +3677,7 @@ typedef struct AVCodec {
     const int *supported_samplerates;       ///< array of supported audio samplerates, or NULL if unknown, array is terminated by 0
     const enum AVSampleFormat *sample_fmts; ///< array of supported sample formats, or NULL if unknown, array is terminated by -1
     const uint64_t *channel_layouts;         ///< array of support channel layouts, or NULL if unknown. array is terminated by 0
-    uint8_t max_lowres;                     ///< maximum value for lowres supported by the decoder, no direct access, use av_codec_get_max_lowres()
+    uint8_t max_lowres;                     ///< maximum value for lowres supported by the decoder
     const AVClass *priv_class;              ///< AVClass for the private context
     const AVProfile *profiles;              ///< array of recognized profiles, or NULL if unknown, array is terminated by {FF_PROFILE_UNKNOWN}
 
@@ -4902,8 +4937,10 @@ int avcodec_decode_subtitle2(AVCodecContext *avctx, AVSubtitle *sub,
  *                  a flush packet.
  *
  * @return 0 on success, otherwise negative error code:
- *      AVERROR(EAGAIN):   input is not accepted right now - the packet must be
- *                         resent after trying to read output
+ *      AVERROR(EAGAIN):   input is not accepted in the current state - user
+ *                         must read output with avcodec_receive_frame() (once
+ *                         all output is read, the packet should be resent, and
+ *                         the call will not fail with EAGAIN).
  *      AVERROR_EOF:       the decoder has been flushed, and no new packets can
  *                         be sent to it (also returned if more than 1 flush
  *                         packet is sent)
@@ -4924,7 +4961,7 @@ int avcodec_send_packet(AVCodecContext *avctx, const AVPacket *avpkt);
  *
  * @return
  *      0:                 success, a frame was returned
- *      AVERROR(EAGAIN):   output is not available right now - user must try
+ *      AVERROR(EAGAIN):   output is not available in this state - user must try
  *                         to send new input
  *      AVERROR_EOF:       the decoder has been fully flushed, and there will be
  *                         no more output frames
@@ -4957,8 +4994,10 @@ int avcodec_receive_frame(AVCodecContext *avctx, AVFrame *frame);
  *                  avctx->frame_size for all frames except the last.
  *                  The final frame may be smaller than avctx->frame_size.
  * @return 0 on success, otherwise negative error code:
- *      AVERROR(EAGAIN):   input is not accepted right now - the frame must be
- *                         resent after trying to read output packets
+ *      AVERROR(EAGAIN):   input is not accepted in the current state - user
+ *                         must read output with avcodec_receive_packet() (once
+ *                         all output is read, the packet should be resent, and
+ *                         the call will not fail with EAGAIN).
  *      AVERROR_EOF:       the encoder has been flushed, and no new frames can
  *                         be sent to it
  *      AVERROR(EINVAL):   codec not opened, refcounted_frames not set, it is a
@@ -4976,8 +5015,8 @@ int avcodec_send_frame(AVCodecContext *avctx, const AVFrame *frame);
  *              encoder. Note that the function will always call
  *              av_frame_unref(frame) before doing anything else.
  * @return 0 on success, otherwise negative error code:
- *      AVERROR(EAGAIN):   output is not available right now - user must try
- *                         to send input
+ *      AVERROR(EAGAIN):   output is not available in the current state - user
+ *                         must try to send input
  *      AVERROR_EOF:       the encoder has been fully flushed, and there will be
  *                         no more output packets
  *      AVERROR(EINVAL):   codec not opened, or it is an encoder
diff --git a/ThirdParty/ffmpeg/include/libavcodec/version.h b/ThirdParty/ffmpeg/include/libavcodec/version.h
index c038e4b09..3ed5a718d 100644
--- a/ThirdParty/ffmpeg/include/libavcodec/version.h
+++ b/ThirdParty/ffmpeg/include/libavcodec/version.h
@@ -28,7 +28,7 @@
 #include "libavutil/version.h"
 
 #define LIBAVCODEC_VERSION_MAJOR  57
-#define LIBAVCODEC_VERSION_MINOR  75
+#define LIBAVCODEC_VERSION_MINOR  83
 #define LIBAVCODEC_VERSION_MICRO 100
 
 #define LIBAVCODEC_VERSION_INT  AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
diff --git a/ThirdParty/ffmpeg/include/libavcodec/videotoolbox.h b/ThirdParty/ffmpeg/include/libavcodec/videotoolbox.h
index a48638e2b..af2db0d58 100644
--- a/ThirdParty/ffmpeg/include/libavcodec/videotoolbox.h
+++ b/ThirdParty/ffmpeg/include/libavcodec/videotoolbox.h
@@ -58,7 +58,8 @@ typedef struct AVVideotoolboxContext {
 
     /**
      * CVPixelBuffer Format Type that Videotoolbox will use for decoded frames.
-     * set by the caller.
+     * set by the caller. If this is set to 0, then no specific format is
+     * requested from the decoder, and its native format is output.
      */
     OSType cv_pix_fmt_type;
 
diff --git a/ThirdParty/ffmpeg/include/libavformat/avformat.h b/ThirdParty/ffmpeg/include/libavformat/avformat.h
index ebb0e05c0..4c1b18e00 100644
--- a/ThirdParty/ffmpeg/include/libavformat/avformat.h
+++ b/ThirdParty/ffmpeg/include/libavformat/avformat.h
@@ -1005,7 +1005,9 @@ typedef struct AVStream {
      * All fields below this line are not part of the public API. They
      * may not be used outside of libavformat and can be changed and
      * removed at will.
-     * New public fields should be added right above.
+     * Internal note: be aware that physically removing these fields
+     * will break ABI. Replace removed fields with dummy fields, and
+     * add new fields to AVStreamInternal.
      *****************************************************************
      */
 
@@ -1201,6 +1203,12 @@ typedef struct AVStream {
      */
     int inject_global_side_data;
 
+    /*****************************************************************
+     * All fields above this line are not part of the public API.
+     * Fields below are part of the public API and ABI again.
+     *****************************************************************
+     */
+
     /**
      * String containing paris of key and values describing recommended encoder configuration.
      * Paris are separated by ','.
@@ -1649,7 +1657,7 @@ typedef struct AVFormatContext {
     /**
      * Audio preload in microseconds.
      * Note, not all formats support this and unpredictable things may happen if it is used when not supported.
-     * - encoding: Set by user via AVOptions (NO direct access)
+     * - encoding: Set by user
      * - decoding: unused
      */
     int audio_preload;
@@ -1657,7 +1665,7 @@ typedef struct AVFormatContext {
     /**
      * Max chunk time in microseconds.
      * Note, not all formats support this and unpredictable things may happen if it is used when not supported.
-     * - encoding: Set by user via AVOptions (NO direct access)
+     * - encoding: Set by user
      * - decoding: unused
      */
     int max_chunk_duration;
@@ -1665,7 +1673,7 @@ typedef struct AVFormatContext {
     /**
      * Max chunk size in bytes
      * Note, not all formats support this and unpredictable things may happen if it is used when not supported.
-     * - encoding: Set by user via AVOptions (NO direct access)
+     * - encoding: Set by user
      * - decoding: unused
      */
     int max_chunk_size;
@@ -1674,14 +1682,14 @@ typedef struct AVFormatContext {
      * forces the use of wallclock timestamps as pts/dts of packets
      * This has undefined results in the presence of B frames.
      * - encoding: unused
-     * - decoding: Set by user via AVOptions (NO direct access)
+     * - decoding: Set by user
      */
     int use_wallclock_as_timestamps;
 
     /**
      * avio flags, used to force AVIO_FLAG_DIRECT.
      * - encoding: unused
-     * - decoding: Set by user via AVOptions (NO direct access)
+     * - decoding: Set by user
      */
     int avio_flags;
 
@@ -1689,34 +1697,34 @@ typedef struct AVFormatContext {
      * The duration field can be estimated through various ways, and this field can be used
      * to know how the duration was estimated.
      * - encoding: unused
-     * - decoding: Read by user via AVOptions (NO direct access)
+     * - decoding: Read by user
      */
     enum AVDurationEstimationMethod duration_estimation_method;
 
     /**
      * Skip initial bytes when opening stream
      * - encoding: unused
-     * - decoding: Set by user via AVOptions (NO direct access)
+     * - decoding: Set by user
      */
     int64_t skip_initial_bytes;
 
     /**
      * Correct single timestamp overflows
      * - encoding: unused
-     * - decoding: Set by user via AVOptions (NO direct access)
+     * - decoding: Set by user
      */
     unsigned int correct_ts_overflow;
 
     /**
      * Force seeking to any (also non key) frames.
      * - encoding: unused
-     * - decoding: Set by user via AVOptions (NO direct access)
+     * - decoding: Set by user
      */
     int seek2any;
 
     /**
      * Flush the I/O context after each packet.
-     * - encoding: Set by user via AVOptions (NO direct access)
+     * - encoding: Set by user
      * - decoding: unused
      */
     int flush_packets;
@@ -1726,14 +1734,14 @@ typedef struct AVFormatContext {
      * The maximal score is AVPROBE_SCORE_MAX, its set when the demuxer probes
      * the format.
      * - encoding: unused
-     * - decoding: set by avformat, read by user via av_format_get_probe_score() (NO direct access)
+     * - decoding: set by avformat, read by user
      */
     int probe_score;
 
     /**
      * number of bytes to read maximally to identify format.
      * - encoding: unused
-     * - decoding: set by user through AVOPtions (NO direct access)
+     * - decoding: set by user
      */
     int format_probesize;
 
@@ -1741,7 +1749,7 @@ typedef struct AVFormatContext {
      * ',' separated list of allowed decoders.
      * If NULL then all are allowed
      * - encoding: unused
-     * - decoding: set by user through AVOptions (NO direct access)
+     * - decoding: set by user
      */
     char *codec_whitelist;
 
@@ -1749,7 +1757,7 @@ typedef struct AVFormatContext {
      * ',' separated list of allowed demuxers.
      * If NULL then all are allowed
      * - encoding: unused
-     * - decoding: set by user through AVOptions (NO direct access)
+     * - decoding: set by user
      */
     char *format_whitelist;
 
@@ -1771,7 +1779,7 @@ typedef struct AVFormatContext {
      * Forced video codec.
      * This allows forcing a specific decoder, even when there are multiple with
      * the same codec_id.
-     * Demuxing: Set by user via av_format_set_video_codec (NO direct access).
+     * Demuxing: Set by user
      */
     AVCodec *video_codec;
 
@@ -1779,7 +1787,7 @@ typedef struct AVFormatContext {
      * Forced audio codec.
      * This allows forcing a specific decoder, even when there are multiple with
      * the same codec_id.
-     * Demuxing: Set by user via av_format_set_audio_codec (NO direct access).
+     * Demuxing: Set by user
      */
     AVCodec *audio_codec;
 
@@ -1787,7 +1795,7 @@ typedef struct AVFormatContext {
      * Forced subtitle codec.
      * This allows forcing a specific decoder, even when there are multiple with
      * the same codec_id.
-     * Demuxing: Set by user via av_format_set_subtitle_codec (NO direct access).
+     * Demuxing: Set by user
      */
     AVCodec *subtitle_codec;
 
@@ -1795,7 +1803,7 @@ typedef struct AVFormatContext {
      * Forced data codec.
      * This allows forcing a specific decoder, even when there are multiple with
      * the same codec_id.
-     * Demuxing: Set by user via av_format_set_data_codec (NO direct access).
+     * Demuxing: Set by user
      */
     AVCodec *data_codec;
 
@@ -1819,15 +1827,13 @@ typedef struct AVFormatContext {
 
     /**
      * Output timestamp offset, in microseconds.
-     * Muxing: set by user via AVOptions (NO direct access)
+     * Muxing: set by user
      */
     int64_t output_ts_offset;
 
     /**
      * dump format separator.
      * can be ", " or "\n      " or anything else
-     * Code outside libavformat should access this field using AVOptions
-     * (NO direct access).
      * - muxing: Set by user.
      * - demuxing: Set by user.
      */
@@ -1864,7 +1870,7 @@ typedef struct AVFormatContext {
     /**
      * ',' separated list of allowed protocols.
      * - encoding: unused
-     * - decoding: set by user through AVOptions (NO direct access)
+     * - decoding: set by user
      */
     char *protocol_whitelist;
 
@@ -1899,18 +1905,22 @@ typedef struct AVFormatContext {
     /**
      * ',' separated list of disallowed protocols.
      * - encoding: unused
-     * - decoding: set by user through AVOptions (NO direct access)
+     * - decoding: set by user
      */
     char *protocol_blacklist;
 
     /**
      * The maximum number of streams.
      * - encoding: unused
-     * - decoding: set by user through AVOptions (NO direct access)
+     * - decoding: set by user
      */
     int max_streams;
 } AVFormatContext;
 
+/**
+ * Accessors for some AVFormatContext fields. These used to be provided for ABI
+ * compatibility, and do not need to be used anymore.
+ */
 int av_format_get_probe_score(const AVFormatContext *s);
 AVCodec * av_format_get_video_codec(const AVFormatContext *s);
 void      av_format_set_video_codec(AVFormatContext *s, AVCodec *c);
diff --git a/ThirdParty/ffmpeg/include/libavformat/avio.h b/ThirdParty/ffmpeg/include/libavformat/avio.h
index e2cb4af7a..804009442 100644
--- a/ThirdParty/ffmpeg/include/libavformat/avio.h
+++ b/ThirdParty/ffmpeg/include/libavformat/avio.h
@@ -313,6 +313,12 @@ typedef struct AVIOContext {
      */
     enum AVIODataMarkerType current_type;
     int64_t last_time;
+
+    /**
+     * A callback that is used instead of short_seek_threshold.
+     * This is current internal only, do not use from outside.
+     */
+    int (*short_seek_get)(void *opaque);
 } AVIOContext;
 
 /**
diff --git a/ThirdParty/ffmpeg/include/libavformat/version.h b/ThirdParty/ffmpeg/include/libavformat/version.h
index edd666bef..dc689d45f 100644
--- a/ThirdParty/ffmpeg/include/libavformat/version.h
+++ b/ThirdParty/ffmpeg/include/libavformat/version.h
@@ -32,8 +32,8 @@
 // Major bumping may affect Ticket5467, 5421, 5451(compatibility with Chromium)
 // Also please add any ticket numbers that you believe might be affected here
 #define LIBAVFORMAT_VERSION_MAJOR  57
-#define LIBAVFORMAT_VERSION_MINOR  65
-#define LIBAVFORMAT_VERSION_MICRO 100
+#define LIBAVFORMAT_VERSION_MINOR  66
+#define LIBAVFORMAT_VERSION_MICRO 104
 
 #define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \
                                                LIBAVFORMAT_VERSION_MINOR, \
@@ -85,6 +85,10 @@
 #ifndef FF_API_HTTP_USER_AGENT
 #define FF_API_HTTP_USER_AGENT          (LIBAVFORMAT_VERSION_MAJOR < 58)
 #endif
+#ifndef FF_API_HLS_WRAP
+#define FF_API_HLS_WRAP                 (LIBAVFORMAT_VERSION_MAJOR < 58)
+#endif
+
 
 #ifndef FF_API_R_FRAME_RATE
 #define FF_API_R_FRAME_RATE            1
diff --git a/ThirdParty/ffmpeg/include/libavutil/attributes.h b/ThirdParty/ffmpeg/include/libavutil/attributes.h
index 5c6b9deec..54d190111 100644
--- a/ThirdParty/ffmpeg/include/libavutil/attributes.h
+++ b/ThirdParty/ffmpeg/include/libavutil/attributes.h
@@ -121,8 +121,7 @@
 #endif
 #endif
 
-
-#if defined(__GNUC__)
+#if defined(__GNUC__) || defined(__clang__)
 #    define av_unused __attribute__((unused))
 #else
 #    define av_unused
@@ -133,7 +132,7 @@
  * away.  This is useful for variables accessed only from inline
  * assembler without the compiler being aware.
  */
-#if AV_GCC_VERSION_AT_LEAST(3,1)
+#if AV_GCC_VERSION_AT_LEAST(3,1) || defined(__clang__)
 #    define av_used __attribute__((used))
 #else
 #    define av_used
diff --git a/ThirdParty/ffmpeg/include/libavutil/cpu.h b/ThirdParty/ffmpeg/include/libavutil/cpu.h
index 8499f0ea8..de0559344 100644
--- a/ThirdParty/ffmpeg/include/libavutil/cpu.h
+++ b/ThirdParty/ffmpeg/include/libavutil/cpu.h
@@ -39,6 +39,7 @@
 #define AV_CPU_FLAG_SSE3SLOW 0x20000000 ///< SSE3 supported, but usually not faster
                                         ///< than regular MMX/SSE (e.g. Core1)
 #define AV_CPU_FLAG_SSSE3        0x0080 ///< Conroe SSSE3 functions
+#define AV_CPU_FLAG_SSSE3SLOW 0x4000000 ///< SSSE3 supported, but usually not faster
 #define AV_CPU_FLAG_ATOM     0x10000000 ///< Atom processor, some SSSE3 instructions are slower
 #define AV_CPU_FLAG_SSE4         0x0100 ///< Penryn SSE4.1 functions
 #define AV_CPU_FLAG_SSE42        0x0200 ///< Nehalem SSE4.2 functions
diff --git a/ThirdParty/ffmpeg/include/libavutil/ffversion.h b/ThirdParty/ffmpeg/include/libavutil/ffversion.h
index 3dac9383f..3f189d8f4 100644
--- a/ThirdParty/ffmpeg/include/libavutil/ffversion.h
+++ b/ThirdParty/ffmpeg/include/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-83255-g6d83f20"
+#define FFMPEG_VERSION "N-83885-g967feea"
 #endif /* AVUTIL_FFVERSION_H */
diff --git a/ThirdParty/ffmpeg/include/libavutil/frame.h b/ThirdParty/ffmpeg/include/libavutil/frame.h
index b4500923a..7cb78a1a4 100644
--- a/ThirdParty/ffmpeg/include/libavutil/frame.h
+++ b/ThirdParty/ffmpeg/include/libavutil/frame.h
@@ -179,9 +179,6 @@ typedef struct AVFrameSideData {
  *
  * sizeof(AVFrame) is not a part of the public ABI, so new fields may be added
  * to the end with a minor bump.
- * Similarly fields that are marked as to be only accessed by
- * av_opt_ptr() can be reordered. This allows 2 forks to add fields
- * without breaking compatibility with each other.
  *
  * Fields can be accessed through AVOptions, the name string used, matches the
  * C structure field name for fields accessible through AVOptions. The AVClass
@@ -420,8 +417,6 @@ typedef struct AVFrame {
 
     /**
      * MPEG vs JPEG YUV range.
-     * It must be accessed using av_frame_get_color_range() and
-     * av_frame_set_color_range().
      * - encoding: Set by user
      * - decoding: Set by libavcodec
      */
@@ -433,8 +428,6 @@ typedef struct AVFrame {
 
     /**
      * YUV colorspace type.
-     * It must be accessed using av_frame_get_colorspace() and
-     * av_frame_set_colorspace().
      * - encoding: Set by user
      * - decoding: Set by libavcodec
      */
@@ -444,8 +437,6 @@ typedef struct AVFrame {
 
     /**
      * frame timestamp estimated using various heuristics, in stream time base
-     * Code outside libavutil should access this field using:
-     * av_frame_get_best_effort_timestamp(frame)
      * - encoding: unused
      * - decoding: set by libavcodec, read by user.
      */
@@ -453,8 +444,6 @@ typedef struct AVFrame {
 
     /**
      * reordered pos from the last AVPacket that has been input into the decoder
-     * Code outside libavutil should access this field using:
-     * av_frame_get_pkt_pos(frame)
      * - encoding: unused
      * - decoding: Read by user.
      */
@@ -463,8 +452,6 @@ typedef struct AVFrame {
     /**
      * duration of the corresponding packet, expressed in
      * AVStream->time_base units, 0 if unknown.
-     * Code outside libavutil should access this field using:
-     * av_frame_get_pkt_duration(frame)
      * - encoding: unused
      * - decoding: Read by user.
      */
@@ -472,8 +459,6 @@ typedef struct AVFrame {
 
     /**
      * metadata.
-     * Code outside libavutil should access this field using:
-     * av_frame_get_metadata(frame)
      * - encoding: Set by user.
      * - decoding: Set by libavcodec.
      */
@@ -483,8 +468,6 @@ typedef struct AVFrame {
      * decode error flags of the frame, set to a combination of
      * FF_DECODE_ERROR_xxx flags if the decoder produced a frame, but there
      * were errors during the decoding.
-     * Code outside libavutil should access this field using:
-     * av_frame_get_decode_error_flags(frame)
      * - encoding: unused
      * - decoding: set by libavcodec, read by user.
      */
@@ -494,8 +477,6 @@ typedef struct AVFrame {
 
     /**
      * number of audio channels, only used for audio.
-     * Code outside libavutil should access this field using:
-     * av_frame_get_channels(frame)
      * - encoding: unused
      * - decoding: Read by user.
      */
@@ -503,8 +484,7 @@ typedef struct AVFrame {
 
     /**
      * size of the corresponding packet containing the compressed
-     * frame. It must be accessed using av_frame_get_pkt_size() and
-     * av_frame_set_pkt_size().
+     * frame.
      * It is set to a negative value if unknown.
      * - encoding: unused
      * - decoding: set by libavcodec, read by user.
@@ -514,13 +494,11 @@ typedef struct AVFrame {
 #if FF_API_FRAME_QP
     /**
      * QP table
-     * Not to be accessed directly from outside libavutil
      */
     attribute_deprecated
     int8_t *qscale_table;
     /**
      * QP store stride
-     * Not to be accessed directly from outside libavutil
      */
     attribute_deprecated
     int qstride;
@@ -528,9 +506,6 @@ typedef struct AVFrame {
     attribute_deprecated
     int qscale_type;
 
-    /**
-     * Not to be accessed directly from outside libavutil
-     */
     AVBufferRef *qp_table_buf;
 #endif
     /**
@@ -538,12 +513,22 @@ typedef struct AVFrame {
      * AVHWFramesContext describing the frame.
      */
     AVBufferRef *hw_frames_ctx;
+
+    /**
+     * AVBufferRef for free use by the API user. FFmpeg will never check the
+     * contents of the buffer ref. FFmpeg calls av_buffer_unref() on it when
+     * the frame is unreferenced. av_frame_copy_props() calls create a new
+     * reference with av_buffer_ref() for the target frame's opaque_ref field.
+     *
+     * This is unrelated to the opaque field, although it serves a similar
+     * purpose.
+     */
+    AVBufferRef *opaque_ref;
 } AVFrame;
 
 /**
- * Accessors for some AVFrame fields.
- * The position of these field in the structure is not part of the ABI,
- * they should not be accessed directly outside libavutil.
+ * Accessors for some AVFrame fields. These used to be provided for ABI
+ * compatibility, and do not need to be used anymore.
  */
 int64_t av_frame_get_best_effort_timestamp(const AVFrame *frame);
 void    av_frame_set_best_effort_timestamp(AVFrame *frame, int64_t val);
diff --git a/ThirdParty/ffmpeg/include/libavutil/mem.h b/ThirdParty/ffmpeg/include/libavutil/mem.h
index f9d888478..718a143c4 100644
--- a/ThirdParty/ffmpeg/include/libavutil/mem.h
+++ b/ThirdParty/ffmpeg/include/libavutil/mem.h
@@ -97,7 +97,7 @@
     #define DECLARE_ASM_CONST(n,t,v)                    \
         AV_PRAGMA(DATA_ALIGN(v,n))                      \
         static const t __attribute__((aligned(n))) v
-#elif defined(__GNUC__)
+#elif defined(__GNUC__) || defined(__clang__)
     #define DECLARE_ALIGNED(n,t,v)      t __attribute__ ((aligned (n))) v
     #define DECLARE_ASM_CONST(n,t,v)    static const t av_used __attribute__ ((aligned (n))) v
 #elif defined(_MSC_VER)
diff --git a/ThirdParty/ffmpeg/include/libavutil/spherical.h b/ThirdParty/ffmpeg/include/libavutil/spherical.h
index eeda62523..db9bdc0be 100644
--- a/ThirdParty/ffmpeg/include/libavutil/spherical.h
+++ b/ThirdParty/ffmpeg/include/libavutil/spherical.h
@@ -63,6 +63,13 @@ enum AVSphericalProjection {
      * to the back.
      */
     AV_SPHERICAL_CUBEMAP,
+
+    /**
+     * Video represents a portion of a sphere mapped on a flat surface
+     * using equirectangular projection. The @ref bounding fields indicate
+     * the position of the current video in a larger surface.
+     */
+    AV_SPHERICAL_EQUIRECTANGULAR_TILE,
 };
 
 /**
@@ -122,6 +129,57 @@ typedef struct AVSphericalMapping {
     /**
      * @}
      */
+
+    /**
+     * @name Bounding rectangle
+     * @anchor bounding
+     * @{
+     * These fields indicate the location of the current tile, and where
+     * it should be mapped relative to the original surface. They are
+     * exported as 0.32 fixed point, and can be converted to classic
+     * pixel values with av_spherical_bounds().
+     *
+     * @code{.unparsed}
+     *      +----------------+----------+
+     *      |                |bound_top |
+     *      |            +--------+     |
+     *      | bound_left |tile    |     |
+     *      +<---------->|        |<--->+bound_right
+     *      |            +--------+     |
+     *      |                |          |
+     *      |    bound_bottom|          |
+     *      +----------------+----------+
+     * @endcode
+     *
+     * If needed, the original video surface dimensions can be derived
+     * by adding the current stream or frame size to the related bounds,
+     * like in the following example:
+     *
+     * @code{c}
+     *     original_width  = tile->width  + bound_left + bound_right;
+     *     original_height = tile->height + bound_top  + bound_bottom;
+     * @endcode
+     *
+     * @note These values are valid only for the tiled equirectangular
+     *       projection type (@ref AV_SPHERICAL_EQUIRECTANGULAR_TILE),
+     *       and should be ignored in all other cases.
+     */
+    size_t bound_left;   ///< Distance from the left edge
+    size_t bound_top;    ///< Distance from the top edge
+    size_t bound_right;  ///< Distance from the right edge
+    size_t bound_bottom; ///< Distance from the bottom edge
+    /**
+     * @}
+     */
+
+    /**
+     * Number of pixels to pad from the edge of each cube face.
+     *
+     * @note This value is valid for only for the cubemap projection type
+     *       (@ref AV_SPHERICAL_CUBEMAP), and should be ignored in all other
+     *       cases.
+     */
+    size_t padding;
 } AVSphericalMapping;
 
 /**
@@ -132,6 +190,22 @@ typedef struct AVSphericalMapping {
  */
 AVSphericalMapping *av_spherical_alloc(size_t *size);
 
+/**
+ * Convert the @ref bounding fields from an AVSphericalVideo
+ * from 0.32 fixed point to pixels.
+ *
+ * @param map    The AVSphericalVideo map to read bound values from.
+ * @param width  Width of the current frame or stream.
+ * @param height Height of the current frame or stream.
+ * @param left   Pixels from the left edge.
+ * @param top    Pixels from the top edge.
+ * @param right  Pixels from the right edge.
+ * @param bottom Pixels from the bottom edge.
+ */
+void av_spherical_tile_bounds(AVSphericalMapping *map,
+                              size_t width, size_t height,
+                              size_t *left, size_t *top,
+                              size_t *right, size_t *bottom);
 /**
  * @}
  * @}
diff --git a/ThirdParty/ffmpeg/include/libavutil/version.h b/ThirdParty/ffmpeg/include/libavutil/version.h
index 9d95086ac..4d5a40513 100644
--- a/ThirdParty/ffmpeg/include/libavutil/version.h
+++ b/ThirdParty/ffmpeg/include/libavutil/version.h
@@ -79,7 +79,7 @@
  */
 
 #define LIBAVUTIL_VERSION_MAJOR  55
-#define LIBAVUTIL_VERSION_MINOR  45
+#define LIBAVUTIL_VERSION_MINOR  48
 #define LIBAVUTIL_VERSION_MICRO 100
 
 #define LIBAVUTIL_VERSION_INT   AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \
diff --git a/ThirdParty/ffmpeg/lib/libavcodec.a b/ThirdParty/ffmpeg/lib/libavcodec.a
index ac94f9f47..6abb21569 100644
Binary files a/ThirdParty/ffmpeg/lib/libavcodec.a and b/ThirdParty/ffmpeg/lib/libavcodec.a differ
diff --git a/ThirdParty/ffmpeg/lib/libavformat.a b/ThirdParty/ffmpeg/lib/libavformat.a
index 38e0f9701..67b71d0d9 100644
Binary files a/ThirdParty/ffmpeg/lib/libavformat.a and b/ThirdParty/ffmpeg/lib/libavformat.a differ
diff --git a/ThirdParty/ffmpeg/lib/libavutil.a b/ThirdParty/ffmpeg/lib/libavutil.a
index dc38f5248..3cdbdd112 100644
Binary files a/ThirdParty/ffmpeg/lib/libavutil.a and b/ThirdParty/ffmpeg/lib/libavutil.a differ
diff --git a/ThirdParty/ffmpeg/lib/pkgconfig/libavcodec.pc b/ThirdParty/ffmpeg/lib/pkgconfig/libavcodec.pc
index 3908085c3..079ccbbd0 100644
--- a/ThirdParty/ffmpeg/lib/pkgconfig/libavcodec.pc
+++ b/ThirdParty/ffmpeg/lib/pkgconfig/libavcodec.pc
@@ -1,12 +1,12 @@
-prefix=/Users/Chris/Source/Repos/cog/ThirdParty/ffmpeg
+prefix=/Users/chris/Source/Repos/cog/ThirdParty/ffmpeg
 exec_prefix=${prefix}
 libdir=${prefix}/lib
 includedir=${prefix}/include
 
 Name: libavcodec
 Description: FFmpeg codec library
-Version: 57.75.100
-Requires: libavutil >= 55.45.100
+Version: 57.83.100
+Requires: libavutil >= 55.48.100
 Requires.private: 
 Conflicts:
 Libs: -L${libdir}  -lavcodec -framework QuartzCore -framework CoreFoundation -framework VideoToolbox -framework CoreMedia -framework CoreVideo -framework CoreFoundation -framework AudioToolbox -framework CoreMedia -framework VideoDecodeAcceleration -framework CoreFoundation -framework QuartzCore -liconv -Wl,-framework,CoreFoundation -Wl,-framework,Security -lm -lbz2 -lz -pthread -framework CoreServices
diff --git a/ThirdParty/ffmpeg/lib/pkgconfig/libavformat.pc b/ThirdParty/ffmpeg/lib/pkgconfig/libavformat.pc
index 6d32a5c0b..5899bc023 100644
--- a/ThirdParty/ffmpeg/lib/pkgconfig/libavformat.pc
+++ b/ThirdParty/ffmpeg/lib/pkgconfig/libavformat.pc
@@ -1,12 +1,12 @@
-prefix=/Users/Chris/Source/Repos/cog/ThirdParty/ffmpeg
+prefix=/Users/chris/Source/Repos/cog/ThirdParty/ffmpeg
 exec_prefix=${prefix}
 libdir=${prefix}/lib
 includedir=${prefix}/include
 
 Name: libavformat
 Description: FFmpeg container format library
-Version: 57.65.100
-Requires: libavcodec >= 57.75.100, libavutil >= 55.45.100
+Version: 57.66.104
+Requires: libavcodec >= 57.83.100, libavutil >= 55.48.100
 Requires.private: 
 Conflicts:
 Libs: -L${libdir}  -lavformat -framework QuartzCore -framework CoreFoundation -framework VideoToolbox -framework CoreMedia -framework CoreVideo -framework CoreFoundation -framework AudioToolbox -framework CoreMedia -framework VideoDecodeAcceleration -framework CoreFoundation -framework QuartzCore -liconv -Wl,-framework,CoreFoundation -Wl,-framework,Security -lm -lbz2 -lz -pthread -framework CoreServices
diff --git a/ThirdParty/ffmpeg/lib/pkgconfig/libavutil.pc b/ThirdParty/ffmpeg/lib/pkgconfig/libavutil.pc
index 18b8c313c..d9e0b2b08 100644
--- a/ThirdParty/ffmpeg/lib/pkgconfig/libavutil.pc
+++ b/ThirdParty/ffmpeg/lib/pkgconfig/libavutil.pc
@@ -1,11 +1,11 @@
-prefix=/Users/Chris/Source/Repos/cog/ThirdParty/ffmpeg
+prefix=/Users/chris/Source/Repos/cog/ThirdParty/ffmpeg
 exec_prefix=${prefix}
 libdir=${prefix}/lib
 includedir=${prefix}/include
 
 Name: libavutil
 Description: FFmpeg utility library
-Version: 55.45.100
+Version: 55.48.100
 Requires: 
 Requires.private: 
 Conflicts: