amd64 stable
You can use mplayer for testing with this sample file, http://ftp.penguin.cz/pub/users/utx/amr/tests/se_t630.amr Or if you own a phone which uses .gp3 files, those should work too.
ppc stable
x86 stable
ppc64 stable
Stable for HPPA.
alpha/ia64/sparc stable, closing
amrwb-7.0.0.2 compiles fine. but i am not able to compile any version of media-libs/amrnb on two different x86 boxes. bombs out with sp_enc.c: In function 'VAD1cod_amr': sp_enc.c:10762: warning: passing argument 1 of 'vad' from incompatible pointer type sp_enc.c:10870: warning: passing argument 1 of 'vad_pitch_detection' from incompatible pointer type sp_enc.c: In function 'VAD2cod_amr': sp_enc.c:11103: warning: passing argument 1 of 'vad2' from incompatible pointer type sp_enc.c:11104: warning: passing argument 1 of 'vad2' from incompatible pointer type sp_enc.c:11173: error: dereferencing pointer to incomplete type sp_enc.c:11174: error: dereferencing pointer to incomplete type sp_enc.c:11209: warning: passing argument 1 of 'LTP_flag_update' from incompatible pointer type sp_enc.c: In function 'VADxSpeech_Encode_Frame_init': sp_enc.c:12062: warning: passing argument 1 of 'Speech_Encode_Frame_exit' from incompatible pointer type make: *** [sp_enc.lo] Error 1 make: *** Waiting for unfinished jobs.... sp_dec.c: In function 'Speech_Decode_Frame_init': sp_dec.c:6118: warning: passing argument 1 of 'Speech_Decode_Frame_exit' from incompatible pointer type i686-pc-linux-gnu-gcc -DPACKAGE_NAME=\"amrnb\" -DPACKAGE_TARNAME=\"amrnb\" -DPACKAGE_VERSION=\"7.0.0.0\" "-DPACKAGE_STRING=\"amrnb 7.0.0.0\"" "-DPACKAGE_BUGREPORT=\"Stanislav Brabec <utx@penguin.cz>\"" -DPACKAGE=\"amrnb\" -DVERSION=\"7.0.0.0\" -DSTDC_HEADERS=1 -DHAVE_SYS_TYPES_H=1 -DHAVE_SYS_STAT_H=1 -DHAVE_STDLIB_H=1 -DHAVE_STRING_H=1 -DHAVE_MEMORY_H=1 -DHAVE_STRINGS_H=1 -DHAVE_INTTYPES_H=1 -DHAVE_STDINT_H=1 -DHAVE_UNISTD_H=1 -DHAVE_DLFCN_H=1 -DSTDC_HEADERS=1 -DHAVE_FLOAT_H=1 -DHAVE_MEMORY_H=1 -DHAVE_STDINT_H=1 -DHAVE_STDLIB_H=1 -DHAVE_STRING_H=1 -DHAVE_STDLIB_H=1 -DHAVE_MALLOC=1 -DHAVE_FLOOR=1 -DHAVE_MEMSET=1 -DHAVE_SQRT=1 -DHAVE_STRTOL=1 -I. -I. -march=i686 -mtune=i686 -pipe -O2 -fomit-frame-pointer -MT sp_dec.lo -MD -MP -MF .deps/sp_dec.Tpo -c sp_dec.c -o sp_dec.o >/dev/null 2>&1 * * ERROR: media-libs/amrnb-7.0.0.0 failed. * Call stack: * ebuild.sh, line 1701: Called dyn_compile * ebuild.sh, line 1039: Called qa_call 'src_compile' * ebuild.sh, line 44: Called src_compile * ebuild.sh, line 711: Called die * The specific snippet of code: * emake || die "emake failed" * The die message: * emake failed * * If you need support, post the topmost build error, and the call stack if relevant. * A complete build log is located at '/var/tmp/portage/media-libs/amrnb-7.0.0.0/temp/build.log'. * * Messages for package media-libs/amrnb-7.0.0.0: * * ERROR: media-libs/amrnb-7.0.0.0 failed. * Call stack: * ebuild.sh, line 1701: Called dyn_compile * ebuild.sh, line 1039: Called qa_call 'src_compile' * ebuild.sh, line 44: Called src_compile * ebuild.sh, line 711: Called die * The specific snippet of code: * emake || die "emake failed" * The die message: * emake failed * * If you need support, post the topmost build error, and the call stack if relevant. * A complete build log is located at '/var/tmp/portage/media-libs/amrnb-7.0.0.0/temp/build.log'. *