Remove unused codec x264

(cherry picked from commit 310bb7ae6b9bd57aeb96cd470aa4fe0f122d21c0)

.travis.yml

@@ -41,7 +41,6 @@ addons:
       - libgsm1-dev
       - libavcodec-dev
       - libavutil-dev
-      - libx264-dev
       - libxext-dev
       - ninja-build
       - libsystemd-dev

CMakeLists.txt

@@ -720,10 +720,6 @@ set(JPEG_FEATURE_TYPE "OPTIONAL")
 set(JPEG_FEATURE_PURPOSE "codec")
 set(JPEG_FEATURE_DESCRIPTION "use JPEG library")
 
-set(X264_FEATURE_TYPE "OPTIONAL")
-set(X264_FEATURE_PURPOSE "codec")
-set(X264_FEATURE_DESCRIPTION "use x264 library")
-
 set(OPENH264_FEATURE_TYPE "OPTIONAL")
 set(OPENH264_FEATURE_PURPOSE "codec")
 set(OPENH264_FEATURE_DESCRIPTION "use OpenH264 library")
@@ -831,7 +827,6 @@ find_feature(PCSC ${PCSC_FEATURE_TYPE} ${PCSC_FEATURE_PURPOSE} ${PCSC_FEATURE_DE
 find_feature(FFmpeg ${FFMPEG_FEATURE_TYPE} ${FFMPEG_FEATURE_PURPOSE} ${FFMPEG_FEATURE_DESCRIPTION})
 
 find_feature(JPEG ${JPEG_FEATURE_TYPE} ${JPEG_FEATURE_PURPOSE} ${JPEG_FEATURE_DESCRIPTION})
-find_feature(x264 ${X264_FEATURE_TYPE} ${X264_FEATURE_PURPOSE} ${X264_FEATURE_DESCRIPTION})
 find_feature(OpenH264 ${OPENH264_FEATURE_TYPE} ${OPENH264_FEATURE_PURPOSE} ${OPENH264_FEATURE_DESCRIPTION})
 find_feature(OpenCL ${OPENCL_FEATURE_TYPE} ${OPENCL_FEATURE_PURPOSE} ${OPENCL_FEATURE_DESCRIPTION})
 find_feature(GSM ${GSM_FEATURE_TYPE} ${GSM_FEATURE_PURPOSE} ${GSM_FEATURE_DESCRIPTION})

config.h.in

@@ -64,7 +64,6 @@
 #cmakedefine WITH_FFMPEG
 #cmakedefine WITH_DSP_EXPERIMENTAL
 #cmakedefine WITH_DSP_FFMPEG
-#cmakedefine WITH_X264
 #cmakedefine WITH_OPENCL
 #cmakedefine WITH_MEDIA_FOUNDATION
 #cmakedefine WITH_MEDIACODEC