build: replace some FFmpeg API checks with version checks

The FFmpeg versions we support all have the APIs we were checking for.
Only Libav missed them. Simplify this by explicitly checking for FFmpeg
in the code, instead of trying to detect the presence of the API.

1 files changed, 0 insertions, 24 deletions

diff --git a/wscript b/wscript
index f6a5081ffd..c501276406 100644
--- a/wscript
+++ b/wscript
@@ -452,30 +452,6 @@ FFmpeg/Libav libraries. You need at least {0}. Aborting.".format(libav_versions_
         'desc': 'libavdevice',
         'func': check_pkg_config('libavdevice', '>= 57.0.0'),
     }, {
-        'name': 'avcodec-chroma-pos-api',
-        'desc': 'libavcodec avcodec_enum_to_chroma_pos API',
-        'func': check_statement('libavcodec/avcodec.h', """int x, y;
-            avcodec_enum_to_chroma_pos(&x, &y, AVCHROMA_LOC_UNSPECIFIED)""",
-            use='libav')
-    }, {
-        'name': 'avframe-metadata',
-        'desc': 'libavutil AVFrame metadata',
-        'func': check_statement('libavutil/frame.h',
-                                'av_frame_get_metadata(NULL)',
-                                use='libav')
-    }, {
-        'name': 'avframe-skip-samples',
-        'desc': 'libavutil AVFrame skip samples metadata',
-        'func': check_statement('libavutil/frame.h',
-                                'enum AVFrameSideDataType type = AV_FRAME_DATA_SKIP_SAMPLES',
-                                use='libav')
-    }, {
-        'name': 'avutil-mastering-metadata',
-        'desc': 'libavutil mastering display metadata struct',
-        'func': check_statement('libavutil/frame.h',
-                                'AV_FRAME_DATA_MASTERING_DISPLAY_METADATA',
-                                use='libav'),
-    }, {
         'name': 'avutil-imgcpy-uc',
         'desc': 'libavutil GPU memcpy for hardware decoding',
         'func': check_statement('libavutil/imgutils.h',