contrib/ffmpeg: remove support for uncommon formats

Change-Id: Id3021572b24da5f5f338002315465976ca58c464

contrib/src/ffmpeg/rules.mak

@@ -139,32 +139,16 @@ FFMPEGCONF += \
 	--enable-decoder=ac3 \
 	--enable-decoder=eac3 \
 	--enable-decoder=mp3 \
-	--enable-decoder=pcm_u24be \
 	--enable-decoder=pcm_u24le \
-	--enable-decoder=pcm_u32be \
 	--enable-decoder=pcm_u32le \
 	--enable-decoder=pcm_u8 \
 	--enable-decoder=pcm_f16le \
-	--enable-decoder=pcm_f24le \
-	--enable-decoder=pcm_f32be \
 	--enable-decoder=pcm_f32le \
-	--enable-decoder=pcm_f64be \
 	--enable-decoder=pcm_f64le \
-	--enable-decoder=pcm_s16be \
-	--enable-decoder=pcm_s16be_planar \
 	--enable-decoder=pcm_s16le \
-	--enable-decoder=pcm_s16le_planar \
-	--enable-decoder=pcm_s24be \
 	--enable-decoder=pcm_s24le \
-	--enable-decoder=pcm_s24le_planar \
-	--enable-decoder=pcm_s32be \
 	--enable-decoder=pcm_s32le \
-	--enable-decoder=pcm_s32le_planar \
-	--enable-decoder=pcm_s64be \
 	--enable-decoder=pcm_s64le \
-	--enable-decoder=pcm_s8 \
-	--enable-decoder=pcm_s8_planar \
-	--enable-decoder=pcm_u16be \
 	--enable-decoder=pcm_u16le \
 	--enable-encoder=pcm_u8 \
 	--enable-encoder=pcm_f32le \