feat(ffmpeg): update ffmpeg to 8.1, nv-codec-headers to SDK 13.0

.gitmodules

@@ -2,39 +2,39 @@
 	path = third-party/FFmpeg/AMF
 	url = https://github.com/GPUOpen-LibrariesAndSDKs/AMF.git
 	branch = master
-    shallow = true
+	shallow = true
 [submodule "third-party/FFmpeg/x264"]
 	path = third-party/FFmpeg/x264
 	url = https://github.com/LizardByte-infrastructure/x264.git
 	branch = master
-    shallow = true
+	shallow = true
 [submodule "third-party/FFmpeg/x265_git"]
 	path = third-party/FFmpeg/x265_git
 	url = https://github.com/LizardByte-infrastructure/x265_git.git
 	branch = stable
-    shallow = true
+	shallow = true
 [submodule "third-party/FFmpeg/nv-codec-headers"]
 	path = third-party/FFmpeg/nv-codec-headers
 	url = https://github.com/FFmpeg/nv-codec-headers.git
-	branch = sdk/12.0
-    shallow = true
+	branch = master
+	shallow = true
 [submodule "third-party/FFmpeg/FFmpeg"]
 	path = third-party/FFmpeg/FFmpeg
 	url = https://github.com/FFmpeg/FFmpeg.git
 	branch = release/8.0
-    shallow = true
+	shallow = true
 [submodule "third-party/FFmpeg/SVT-AV1"]
 	path = third-party/FFmpeg/SVT-AV1
 	url = https://github.com/LizardByte-infrastructure/SVT-AV1.git
 	branch = master
-    shallow = true
+	shallow = true
 [submodule "third-party/FFmpeg/Vulkan-Headers"]
 	path = third-party/FFmpeg/Vulkan-Headers
 	url = https://github.com/KhronosGroup/Vulkan-Headers.git
 	branch = main
-    shallow = true
+	shallow = true
 [submodule "third-party/FFmpeg/Vulkan-Loader"]
 	path = third-party/FFmpeg/Vulkan-Loader
 	url = https://github.com/KhronosGroup/Vulkan-Loader.git
 	branch = main
-    shallow = true
+	shallow = true

patches/FFmpeg/FFmpeg/cbs/01-explicit-intmath.patch

@@ -1,19 +1,19 @@
 Explicitly imports intmath as our subset of sources doesn't have it included
 
 diff --git a/libavcodec/cbs_av1.c b/libavcodec/cbs_av1.c
-index 458381f038..c4a6561706 100644
+index d05352c738..5e73ff2deb 100644
 --- a/libavcodec/cbs_av1.c
 +++ b/libavcodec/cbs_av1.c
-@@ -17,6 +17,7 @@
-  */
+@@ -18,6 +18,7 @@
 
+ #include "libavutil/attributes.h"
  #include "libavutil/avassert.h"
 +#include "libavutil/intmath.h"
  #include "libavutil/opt.h"
  #include "libavutil/pixfmt.h"
 
 diff --git a/libavcodec/cbs_h2645.c b/libavcodec/cbs_h2645.c
-index 2de74691cb..e3a5e5b5df 100644
+index bcf6144046..76698247cd 100644
 --- a/libavcodec/cbs_h2645.c
 +++ b/libavcodec/cbs_h2645.c
 @@ -19,6 +19,7 @@
@@ -21,17 +21,17 @@
  #include "libavutil/avassert.h"
  #include "libavutil/mem.h"
 +#include "libavutil/intmath.h"
 
  #include "bytestream.h"
  #include "cbs.h"
 diff --git a/libavcodec/cbs_sei_syntax_template.c b/libavcodec/cbs_sei_syntax_template.c
-index 0205bb47aa..7d4d0fd14d 100644
+index 4fc3061728..ccc8e6d34c 100644
 --- a/libavcodec/cbs_sei_syntax_template.c
 +++ b/libavcodec/cbs_sei_syntax_template.c
 @@ -16,6 +16,8 @@
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
   */
 
 +#include "libavutil/intmath.h"
 +
  SEI_FUNC(filler_payload, (CodedBitstreamContext *ctx, RWContext *rw,

patches/FFmpeg/FFmpeg/cbs/02-remove-register.patch

@@ -1,10 +1,10 @@
 Register storage specifier is an error for modern compiler and generally ignored anyway.
 
 diff --git a/libavcodec/get_bits.h b/libavcodec/get_bits.h
-index fe2f6378b4..477bd11746 100644
+index a22c9755ae..354adb64c8 100644
 --- a/libavcodec/get_bits.h
 +++ b/libavcodec/get_bits.h
-@@ -291,8 +291,8 @@ static inline void skip_bits_long(GetBitContext *s, int n)
+@@ -293,8 +293,8 @@ static inline void skip_bits_long(GetBitContext *s, int n)
   */
  static inline int get_xbits(GetBitContext *s, int n)
  {
@@ -15,8 +15,8 @@
      OPEN_READER(re, s);
      av_assert2(n>0 && n<=25);
      UPDATE_CACHE(re, s);
-@@ -305,8 +305,8 @@ static inline int get_xbits(GetBitContext *s, int n)
+@@ -307,8 +307,8 @@ static inline int get_xbits(GetBitContext *s, int n)
 
  static inline int get_xbits_le(GetBitContext *s, int n)
  {
 -    register int sign;
@@ -26,8 +26,8 @@
      OPEN_READER(re, s);
      av_assert2(n>0 && n<=25);
      UPDATE_CACHE_LE(re, s);
-@@ -319,7 +319,7 @@ static inline int get_xbits_le(GetBitContext *s, int n)
+@@ -321,7 +321,7 @@ static inline int get_xbits_le(GetBitContext *s, int n)
 
  static inline int get_sbits(GetBitContext *s, int n)
  {
 -    register int tmp;
@@ -35,7 +35,7 @@
      OPEN_READER(re, s);
      av_assert2(n>0 && n<=25);
      UPDATE_CACHE(re, s);
-@@ -334,7 +334,7 @@ static inline int get_sbits(GetBitContext *s, int n)
+@@ -336,7 +336,7 @@ static inline int get_sbits(GetBitContext *s, int n)
   */
  static inline unsigned int get_bits(GetBitContext *s, int n)
  {
@@ -44,8 +44,8 @@
      OPEN_READER(re, s);
      av_assert2(n>0 && n<=25);
      UPDATE_CACHE(re, s);
-@@ -355,7 +355,7 @@ static av_always_inline int get_bitsz(GetBitContext *s, int n)
+@@ -357,7 +357,7 @@ static av_always_inline int get_bitsz(GetBitContext *s, int n)
 
  static inline unsigned int get_bits_le(GetBitContext *s, int n)
  {
 -    register int tmp;
@@ -53,7 +53,7 @@
      OPEN_READER(re, s);
      av_assert2(n>0 && n<=25);
      UPDATE_CACHE_LE(re, s);
-@@ -370,7 +370,7 @@ static inline unsigned int get_bits_le(GetBitContext *s, int n)
+@@ -372,7 +372,7 @@ static inline unsigned int get_bits_le(GetBitContext *s, int n)
   */
  static inline unsigned int show_bits(GetBitContext *s, int n)
  {