Package: media-video/ffmpeg

Name	media-video/ffmpeg
Category	media-video
Version	4.4.4-r8 Availability not known. Last seen: 2024-03-13
Seen Arch	amd64
Seen Use	alsa amf amr amrenc bluray bs2b cdio chromaprint chromium codec2 cpudetection cuda debug doc fdk flite fontconfig frei0r fribidi gcrypt gme gmp gsm hardcoded-tables iec61883 ieee1394 jack jpeg2k kvazaar ladspa libaom libaribb24 libass libcaca libdrm libilbc librtmp libsoxr libtesseract libv4l libxml2 lv2 lzma modplug mp3 nvenc openal opencl opengl openh264 openssl opus oss pic pulseaudio qsv rav1e rubberband samba sdl snappy sndio speex srt ssh static-libs svg svt-av1 test theora truetype twolame v4l vaapi vdpau verify-sig vidstab vmaf vorbis vpx vulkan webp X x264 x265 xvid zeromq zimg zvbi
Seen installs very rough number	304
Other Version/arch	media-video/ffmpeg 6.1.1-r8 x86 media-video/ffmpeg 5.1.3-r2 amd64 media-video/ffmpeg 6.0-r7 amd64 media-video/ffmpeg 5.1.4 amd64 media-video/ffmpeg 6.1.1-r3 amd64 media-video/ffmpeg 4.4.4-r8 x86 media-video/ffmpeg 6.0.1-r1 amd64 media-video/ffmpeg 4.2.9 amd64 media-video/ffmpeg 6.1.2 arm64 media-video/ffmpeg 6.0.1-r2 arm media-video/ffmpeg 6.1-r3 arm64 media-video/ffmpeg 6.1.1-r5 arm media-video/ffmpeg 6.1.1-r8 arm64 media-video/ffmpeg 6.1.1-r4 arm64 media-video/ffmpeg 9999 None media-video/ffmpeg 6.1.1-r3 arm64 media-video/ffmpeg 6.0-r10 arm64 media-video/ffmpeg 6.1.1-r5 amd64 media-video/ffmpeg 6.0-r11 x86 media-video/ffmpeg 6.0.1-r4 amd64 media-video/ffmpeg 6.0.1 amd64 media-video/ffmpeg 6.0.1-r4 x86 media-video/ffmpeg 6.1-r3 amd64 media-video/ffmpeg 6.0.1-r2 arm64 media-video/ffmpeg 6.1.1-r6 arm64 media-video/ffmpeg 6.1.1 amd64 media-video/ffmpeg 4.4.4-r3 arm64 media-video/ffmpeg 6.1.1-r1 amd64 media-video/ffmpeg 4.4.4-r11 amd64 media-video/ffmpeg 6.1.1-r2 amd64 media-video/ffmpeg 4.4.5 amd64 media-video/ffmpeg 6.0-r6 amd64 media-video/ffmpeg 2.8.5 x86 media-video/ffmpeg 6.1.1-r7 amd64 media-video/ffmpeg 6.1.2 amd64 media-video/ffmpeg 4.4.4-r8 arm media-video/ffmpeg 6.1.1-r8 ppc media-video/ffmpeg 4.4.5-r1 amd64 media-video/ffmpeg 4.4.4-r7 amd64 media-video/ffmpeg 6.0-r9 x86 media-video/ffmpeg 5.1.3 amd64 media-video/ffmpeg 6.1.1-r5 x86 media-video/ffmpeg 6.0.1-r1 arm64 media-video/ffmpeg 4.4.4-r2 amd64 media-video/ffmpeg 4.4.5-r1 x86 media-video/ffmpeg 9999 none media-video/ffmpeg 6.0.1-r2 amd64 media-video/ffmpeg 6.0-r9 arm media-video/ffmpeg 6.0.1-r3 x86 media-video/ffmpeg 6.0-r10 ppc media-video/ffmpeg 6.0.1-r3 arm64 media-video/ffmpeg 7.0.2-r1 amd64 media-video/ffmpeg 4.4.4-r6 amd64 media-video/ffmpeg 6.0.1-r3 arm media-video/ffmpeg 6.0.1-r4 arm media-video/ffmpeg 6.1.1-r4 amd64 media-video/ffmpeg 6.0.1-r3 amd64 media-video/ffmpeg 6.1.1-r6 amd64 media-video/ffmpeg 6.1.1-r5 arm64 media-video/ffmpeg 4.4.4-r3 amd64 media-video/ffmpeg 4.4-r1 amd64 media-video/ffmpeg 6.1.1-r8 amd64 media-video/ffmpeg 4.4.4-r6 x86 media-video/ffmpeg 6.0.1-r4 arm64 media-video/ffmpeg 6.1.1-r1 arm64 media-video/ffmpeg 6.1.1-r8 ppc64 media-video/ffmpeg 6.1.1-r3 x86 media-video/ffmpeg 6.1-r1 amd64 media-video/ffmpeg 6.1 amd64 media-video/ffmpeg 6.0-r5 amd64 media-video/ffmpeg 6.1.1-r7 arm64 media-video/ffmpeg 6.0.1-r2 x86 media-video/ffmpeg 6.1.1-r8 arm media-video/ffmpeg 6.1.1-r7 x86 media-video/ffmpeg 4.4.3 amd64 media-video/ffmpeg 4.4.2 amd64 media-video/ffmpeg 6.0-r9 amd64 media-video/ffmpeg 6.1.2 x86 media-video/ffmpeg 6.0-r7 arm64 media-video/ffmpeg 4.4.4-r9 amd64 media-video/ffmpeg 4.4.4-r10 amd64 media-video/ffmpeg 6.0-r11 arm media-video/ffmpeg 6.0-r10 amd64 media-video/ffmpeg 6.1-r2 amd64
Repository	Gentoo

Package files

Filename	Filepath
012v.c	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_64.amd64/src/libavcodec/012v.c
012v.c	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_32.x86/src/libavcodec/012v.c
3dostr.c	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_32.x86/src/libavformat/3dostr.c
3dostr.c	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_64.amd64/src/libavformat/3dostr.c
4xm.c	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_64.amd64/src/libavcodec/4xm.c
4xm.c	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_32.x86/src/libavcodec/4xm.c
4xm.c	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_64.amd64/src/libavformat/4xm.c
4xm.c	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_32.x86/src/libavformat/4xm.c
8bps.c	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_32.x86/src/libavcodec/8bps.c
8bps.c	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_64.amd64/src/libavcodec/8bps.c
8svx.c	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_64.amd64/src/libavcodec/8svx.c
8svx.c	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_32.x86/src/libavcodec/8svx.c
99amf-env-vulkan-override	/etc/env.d/99amf-env-vulkan-override
a64.c	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_32.x86/src/libavformat/a64.c
a64.c	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_64.amd64/src/libavformat/a64.c
a64colors.h	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_64.amd64/src/libavcodec/a64colors.h
a64colors.h	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_32.x86/src/libavcodec/a64colors.h
a64multienc.c	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_32.x86/src/libavcodec/a64multienc.c
a64multienc.c	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_64.amd64/src/libavcodec/a64multienc.c
a64tables.h	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_64.amd64/src/libavcodec/a64tables.h
a64tables.h	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_32.x86/src/libavcodec/a64tables.h
aac_ac3_parser.c	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_64.amd64/src/libavcodec/aac_ac3_parser.c
aac_ac3_parser.c	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_32.x86/src/libavcodec/aac_ac3_parser.c
aac_ac3_parser.h	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_32.x86/src/libavcodec/aac_ac3_parser.h
aac_ac3_parser.h	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_64.amd64/src/libavcodec/aac_ac3_parser.h
aac_adtstoasc_bsf.c	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_64.amd64/src/libavcodec/aac_adtstoasc_bsf.c
aac_adtstoasc_bsf.c	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_32.x86/src/libavcodec/aac_adtstoasc_bsf.c
aac_defines.h	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_64.amd64/src/libavcodec/aac_defines.h
aac_defines.h	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_32.x86/src/libavcodec/aac_defines.h
aac_parser.c	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_32.x86/src/libavcodec/aac_parser.c
aac_parser.c	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_64.amd64/src/libavcodec/aac_parser.c
aac.h	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_64.amd64/src/libavcodec/aac.h
aac.h	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_32.x86/src/libavcodec/aac.h
aaccoder_trellis.h	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_32.x86/src/libavcodec/aaccoder_trellis.h
aaccoder_trellis.h	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_64.amd64/src/libavcodec/aaccoder_trellis.h
aaccoder_twoloop.h	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_64.amd64/src/libavcodec/aaccoder_twoloop.h
aaccoder_twoloop.h	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_32.x86/src/libavcodec/aaccoder_twoloop.h
aaccoder.c	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_32.x86/src/libavcodec/aaccoder.c
aaccoder.c	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_64.amd64/src/libavcodec/aaccoder.c
aacdec_fixed.c	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_64.amd64/src/libavcodec/aacdec_fixed.c
aacdec_fixed.c	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_32.x86/src/libavcodec/aacdec_fixed.c
aacdec_template.c	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_64.amd64/src/libavcodec/aacdec_template.c
aacdec_template.c	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_32.x86/src/libavcodec/aacdec_template.c
aacdec.c	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_64.amd64/src/libavcodec/aacdec.c
aacdec.c	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_64.amd64/src/libavformat/aacdec.c
aacdec.c	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_32.x86/src/libavcodec/aacdec.c
aacdec.c	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_32.x86/src/libavformat/aacdec.c
aacdectab.h	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_32.x86/src/libavcodec/aacdectab.h
aacdectab.h	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_64.amd64/src/libavcodec/aacdectab.h
aacenc_is.c	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_32.x86/src/libavcodec/aacenc_is.c
aacenc_is.c	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_64.amd64/src/libavcodec/aacenc_is.c
aacenc_is.h	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_32.x86/src/libavcodec/aacenc_is.h
aacenc_is.h	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_64.amd64/src/libavcodec/aacenc_is.h
aacenc_ltp.c	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_32.x86/src/libavcodec/aacenc_ltp.c
aacenc_ltp.c	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_64.amd64/src/libavcodec/aacenc_ltp.c
aacenc_ltp.h	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_64.amd64/src/libavcodec/aacenc_ltp.h
aacenc_ltp.h	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_32.x86/src/libavcodec/aacenc_ltp.h
aacenc_pred.c	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_32.x86/src/libavcodec/aacenc_pred.c
aacenc_pred.c	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_64.amd64/src/libavcodec/aacenc_pred.c
aacenc_pred.h	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_32.x86/src/libavcodec/aacenc_pred.h
aacenc_pred.h	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_64.amd64/src/libavcodec/aacenc_pred.h
aacenc_quantization_misc.h	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_32.x86/src/libavcodec/aacenc_quantization_misc.h
aacenc_quantization_misc.h	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_64.amd64/src/libavcodec/aacenc_quantization_misc.h
aacenc_quantization.h	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_64.amd64/src/libavcodec/aacenc_quantization.h
aacenc_quantization.h	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_32.x86/src/libavcodec/aacenc_quantization.h
aacenc_tns.c	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_64.amd64/src/libavcodec/aacenc_tns.c
aacenc_tns.c	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_32.x86/src/libavcodec/aacenc_tns.c
aacenc_tns.h	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_32.x86/src/libavcodec/aacenc_tns.h
aacenc_tns.h	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_64.amd64/src/libavcodec/aacenc_tns.h
aacenc_utils.h	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_32.x86/src/libavcodec/aacenc_utils.h
aacenc_utils.h	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_64.amd64/src/libavcodec/aacenc_utils.h
aacenc.c	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_64.amd64/src/libavcodec/aacenc.c
aacenc.c	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_32.x86/src/libavcodec/aacenc.c
aacenc.h	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_32.x86/src/libavcodec/aacenc.h
aacenc.h	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_64.amd64/src/libavcodec/aacenc.h
aacencdsp_init.c	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_32.x86/src/libavcodec/x86/aacencdsp_init.c
aacencdsp_init.c	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_64.amd64/src/libavcodec/x86/aacencdsp_init.c
aacenctab.c	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_32.x86/src/libavcodec/aacenctab.c
aacenctab.c	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_64.amd64/src/libavcodec/aacenctab.c
aacenctab.h	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_64.amd64/src/libavcodec/aacenctab.h
aacenctab.h	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_32.x86/src/libavcodec/aacenctab.h
aacps_common.c	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_32.x86/src/libavcodec/aacps_common.c
aacps_common.c	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_64.amd64/src/libavcodec/aacps_common.c
aacps_fixed_tablegen.h	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_32.x86/src/libavcodec/aacps_fixed_tablegen.h
aacps_fixed_tablegen.h	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_64.amd64/src/libavcodec/aacps_fixed_tablegen.h
aacps_fixed.c	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_64.amd64/src/libavcodec/aacps_fixed.c
aacps_fixed.c	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_32.x86/src/libavcodec/aacps_fixed.c
aacps_float.c	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_64.amd64/src/libavcodec/aacps_float.c
aacps_float.c	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_32.x86/src/libavcodec/aacps_float.c
aacps_tablegen.h	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_32.x86/src/libavcodec/aacps_tablegen.h
aacps_tablegen.h	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_64.amd64/src/libavcodec/aacps_tablegen.h
aacps.c	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_32.x86/src/libavcodec/aacps.c
aacps.c	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_64.amd64/src/libavcodec/aacps.c
aacps.h	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_32.x86/src/libavcodec/aacps.h
aacps.h	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_64.amd64/src/libavcodec/aacps.h
aacpsdata.c	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_32.x86/src/libavcodec/aacpsdata.c
aacpsdata.c	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_64.amd64/src/libavcodec/aacpsdata.c
aacpsdsp_fixed.c	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_64.amd64/src/libavcodec/aacpsdsp_fixed.c
aacpsdsp_fixed.c	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_32.x86/src/libavcodec/aacpsdsp_fixed.c
aacpsdsp_float.c	/usr/src/debug/media-video/ffmpeg-4.4.4-r8/ffmpeg-4.4.4-abi_x86_32.x86/src/libavcodec/aacpsdsp_float.c