Initial FFmpeg 8 support.

Author: MikuAuahDark

.github/workflows/build.yml

@@ -37,19 +37,29 @@ jobs:
         fileName: ffmpeg-7.0-full_build-shared.7z 
         tarBall: false
         zipBall: false
+    - name: Get FFmpeg 8
+      uses: robinraju/release-downloader@v1
+      with:
+        repository: GyanD/codexffmpeg
+        tag: "8.0"
+        fileName: ffmpeg-8.0-full_build-shared.7z 
+        tarBall: false
+        zipBall: false
     # A note to myself and other: FFmpeg build is for x64, but it doesn't matter. Only the include files are
     # necessary for NAV to work as it will use runtime loading.
     - name: Extract FFmpeg
       run: |
         7z x ffmpeg-5.0-full_build-shared.7z
         7z x ffmpeg-6.0-full_build-shared.7z
         7z x ffmpeg-7.0-full_build-shared.7z
+        7z x ffmpeg-8.0-full_build-shared.7z
     - name: Configure
       run: |
         cmake -Bbuild -S. -A ${{ matrix.PLATFORM }} --install-prefix %CD%\install -DBUILD_SHARED_LIBS=1 ^
         -DFFMPEG5_DIR=%CD%\ffmpeg-5.0-full_build-shared ^
         -DFFMPEG6_DIR=%CD%\ffmpeg-6.0-full_build-shared ^
-        -DFFMPEG7_DIR=%CD%\ffmpeg-7.0-full_build-shared
+        -DFFMPEG7_DIR=%CD%\ffmpeg-7.0-full_build-shared ^
+        -DFFMPEG8_DIR=%CD%\ffmpeg-8.0-full_build-shared
     - name: Install
       run: cmake --build build --config RelWithDebInfo --target install -j%NUMBER_OF_PROCESSORS%
     - name: Artifact
@@ -173,13 +183,36 @@ jobs:
         cd build
         ../configure --disable-doc --disable-encoders --disable-programs --disable-static --enable-shared --disable-x86asm --prefix=$PWD/installdir
         make install -j$(nproc)
+      # FFmpeg 8
+    - name: Checkout FFmpeg 8
+      uses: actions/checkout@v4
+      with:
+        repository: FFmpeg/FFmpeg
+        ref: n8.0
+        path: ffmpeg8
+    - name: Cache FFmpeg 8
+      id: ffmpeg8
+      uses: actions/cache@v4
+      with:
+        path: ffmpeg8/build/installdir
+        key: ffmpeg8
+    - name: Build FFmpeg 8
+      if: steps.ffmpeg8.outputs.cache-hit != 'true'
+      working-directory: ffmpeg8
+      run: |
+        set -e
+        mkdir build
+        cd build
+        ../configure --disable-doc --disable-encoders --disable-programs --disable-static --enable-shared --disable-x86asm --prefix=$PWD/installdir
+        make install -j$(nproc)
     - name: Configure
       run: |
         cmake -Bbuild -S. -DCMAKE_BUILD_TYPE=RelWithDebInfo --install-prefix $PWD/install -DBUILD_SHARED_LIBS=1 \
         -DFFMPEG4_DIR=$PWD/ffmpeg4/build/installdir \
         -DFFMPEG5_DIR=$PWD/ffmpeg5/build/installdir \
         -DFFMPEG6_DIR=$PWD/ffmpeg6/build/installdir \
-        -DFFMPEG7_DIR=$PWD/ffmpeg7/build/installdir
+        -DFFMPEG7_DIR=$PWD/ffmpeg7/build/installdir \
+        -DFFMPEG8_DIR=$PWD/ffmpeg8/build/installdir
     - name: Install
       run: cmake --build build --target install -j$(nproc)
     - name: Artifact

CMakeLists.txt

@@ -68,6 +68,8 @@ add_library(nav ${NAV_SHARED_VALUE}
 	src/ffmpeg6/FFmpeg6Backend.hpp
 	src/ffmpeg7/FFmpeg7Backend.cpp
 	src/ffmpeg7/FFmpeg7Backend.hpp
+	src/ffmpeg8/FFmpeg8Backend.cpp
+	src/ffmpeg8/FFmpeg8Backend.hpp
 	src/gstreamer/GStreamerBackend.cpp
 	src/gstreamer/GStreamerBackend.hpp
 	src/gstreamer/GStreamerPointers.h
@@ -126,15 +128,15 @@ if(MSVC)
 endif()
 
 # Find FFmpeg
-if(DEFINED FFMPEG4_DIR OR DEFINED FFMPEG5_DIR OR DEFINED FFMPEG6_DIR OR DEFINED FFMPEG7_DIR)
+if(DEFINED FFMPEG4_DIR OR DEFINED FFMPEG5_DIR OR DEFINED FFMPEG6_DIR OR DEFINED FFMPEG7_DIR OR DEFINED FFMPEG8_DIR)
 	# Multi FFmpeg mode
 	if(DEFINED FFMPEG_DIR)
 		message(FATAL_ERROR "Cannot combine multi-FFmpeg include directories with single FFmpeg")
 	endif()
 
 	# Ok I trust you
 	message(STATUS "Multi-FFmpeg mode activates:")
-	foreach(i RANGE 4 7)
+	foreach(i RANGE 4 8)
 		if(FFMPEG${i}_DIR)
 			set_source_files_properties(
 				src/ffmpeg${i}/FFmpeg${i}Backend.cpp

README.md

@@ -17,6 +17,7 @@ NAV relies on various backends to perform audio and video decoding.
 | [FFmpeg] 5        | 3rd-Party | Windows, Linux, Android | `"ffmpeg5"`          | `FFMPEG5`              | Requires the appropriate header files to be present.\*\* |
 | [FFmpeg] 6        | 3rd-Party | Windows, Linux, Android | `"ffmpeg6"`          | `FFMPEG6`              | Requires the appropriate header files to be present.\*\* |
 | [FFmpeg] 7        | 3rd-Party | Windows, Linux, Android | `"ffmpeg7"`          | `FFMPEG7`              | Requires the appropriate header files to be present.\*\* |
+| [FFmpeg] 8        | 3rd-Party | Windows, Linux, Android | `"ffmpeg8"`          | `FFMPEG8`              | Requires the appropriate header files to be present.\*\* |
 | [GStreamer]       | 3rd-Party | Linux                   | `"gstreamer"`        | `GSTREAMER`            | Requires the appropriate header files to be present.     |
 | [MediaFoundation] | OS API    | Windows                 | `"mediafoundation"`  | `MEDIAFOUNDATION`      | UWP target is not supported.                             |
 

src/NAV.cpp

@@ -12,6 +12,7 @@
 #include "ffmpeg5/FFmpeg5Backend.hpp"
 #include "ffmpeg6/FFmpeg6Backend.hpp"
 #include "ffmpeg7/FFmpeg7Backend.hpp"
+#include "ffmpeg8/FFmpeg8Backend.hpp"
 #include "gstreamer/GStreamerBackend.hpp"
 #include "mediafoundation/MediaFoundationBackend.hpp"
 #include "Error.hpp"
@@ -150,8 +151,8 @@ static class BackendContainer
 	std::mutex mutex;
 	nav_settings defaultSettings;
 } backendContainer({
-#ifdef NAV_BACKEND_ANDROIDNDK
-	&nav::androidndk::create,
+#ifdef NAV_BACKEND_FFMPEG_8
+	&nav::ffmpeg8::create,
 #endif
 #ifdef NAV_BACKEND_FFMPEG_7
 	&nav::ffmpeg7::create,
@@ -165,6 +166,9 @@ static class BackendContainer
 #ifdef NAV_BACKEND_FFMPEG_4
 	&nav::ffmpeg4::create,
 #endif
+#ifdef NAV_BACKEND_ANDROIDNDK
+	&nav::androidndk::create,
+#endif
 #ifdef NAV_BACKEND_GSTREAMER
 	&nav::gstreamer::create,
 #endif

src/NAVConfig.hpp

@@ -34,6 +34,13 @@ extern "C" {
 #			include <libswscale/version.h>
 }
 #			if \
+			(LIBAVCODEC_VERSION_MAJOR == 62 && LIBAVCODEC_VERSION_MINOR >= 11) && \
+			(LIBAVFORMAT_VERSION_MAJOR == 62 && LIBAVFORMAT_VERSION_MINOR >= 3) && \
+			(LIBAVUTIL_VERSION_MAJOR == 60 && LIBAVUTIL_VERSION_MINOR >= 8) && \
+			(LIBSWRESAMPLE_VERSION_MAJOR == 6 && LIBSWRESAMPLE_VERSION_MINOR >= 1) && \
+			(LIBSWSCALE_VERSION_MAJOR == 9 && LIBSWSCALE_VERSION_MINOR >= 1)
+#				define NAV_BACKEND_FFMPEG_8
+#			elif \
 			(LIBAVCODEC_VERSION_MAJOR == 61 && LIBAVCODEC_VERSION_MINOR >= 3) && \
 			(LIBAVFORMAT_VERSION_MAJOR == 61 && LIBAVFORMAT_VERSION_MINOR >= 1) && \
 			(LIBAVUTIL_VERSION_MAJOR == 59 && LIBAVUTIL_VERSION_MINOR >= 8) && \

src/ffmpeg8/FFmpeg8Backend.cpp

@@ -0,0 +1,8 @@
+#include "NAVConfig.hpp"
+
+#ifdef NAV_BACKEND_FFMPEG_8
+
+#include "FFmpeg8Backend.hpp"
+#include "ffmpeg_common/FFmpegBackend.cpp"
+
+#endif /* NAV_BACKEND_FFMPEG_7 */

src/ffmpeg8/FFmpeg8Backend.hpp

@@ -0,0 +1,17 @@
+#ifndef _NAV_BACKEND_FFMPEG_8_
+#define _NAV_BACKEND_FFMPEG_8_
+
+#include "NAVConfig.hpp"
+
+#ifdef NAV_BACKEND_FFMPEG_8
+
+#ifdef _NAV_FFMPEG_VERSION
+#undef _NAV_FFMPEG_VERSION
+#endif
+#define _NAV_FFMPEG_VERSION 8
+
+#include "ffmpeg_common/FFmpegBackend.hpp"
+#undef _NAV_BACKEND_FFMPEG_
+
+#endif /* NAV_BACKEND_FFMPEG_8 */
+#endif /* _NAV_BACKEND_FFMPEG_8_ */

src/multiffmpegconfig.h.in

@@ -2,3 +2,4 @@
 #cmakedefine NAV_BACKEND_FFMPEG_5
 #cmakedefine NAV_BACKEND_FFMPEG_6
 #cmakedefine NAV_BACKEND_FFMPEG_7
+#cmakedefine NAV_BACKEND_FFMPEG_8