Commit 96786a12f6df26990bbe7c0ca4592b3731724469 makes runtime initialization cheap.
Tested with FATE, with/without --enable-hardcoded-tables. Signed-off-by: Ganesh Ajjanagadde <gajjanaga...@gmail.com> --- libavcodec/Makefile | 6 ++---- libavcodec/aac_tablegen.c | 39 --------------------------------------- libavcodec/aac_tablegen.h | 4 ---- libavcodec/aac_tablegen_decl.h | 6 ------ 4 files changed, 2 insertions(+), 53 deletions(-) delete mode 100644 libavcodec/aac_tablegen.c diff --git a/libavcodec/Makefile b/libavcodec/Makefile index 68a573f..e4a6a38 100644 --- a/libavcodec/Makefile +++ b/libavcodec/Makefile @@ -964,8 +964,7 @@ TESTOBJS = dctref.o TOOLS = fourcc2pixfmt -HOSTPROGS = aac_tablegen \ - aacps_tablegen \ +HOSTPROGS = aacps_tablegen \ aacps_fixed_tablegen \ aacsbr_tablegen \ aacsbr_fixed_tablegen \ @@ -999,7 +998,7 @@ $(SUBDIR)%_tablegen$(HOSTEXESUF): HOSTCFLAGS += -DCONFIG_SMALL=0 endif GEN_HEADERS = cbrt_tables.h cbrt_fixed_tables.h aacps_tables.h aacps_fixed_tables.h aacsbr_tables.h \ - aacsbr_fixed_tables.h aac_tables.h dsd_tables.h dv_tables.h \ + aacsbr_fixed_tables.h dsd_tables.h dv_tables.h \ sinewin_tables.h sinewin_fixed_tables.h mpegaudio_tables.h motionpixels_tables.h \ pcm_tables.h qdm2_tables.h GEN_HEADERS := $(addprefix $(SUBDIR), $(GEN_HEADERS)) @@ -1014,7 +1013,6 @@ $(SUBDIR)aacps_float.o: $(SUBDIR)aacps_tables.h $(SUBDIR)aacps_fixed.o: $(SUBDIR)aacps_fixed_tables.h $(SUBDIR)aacsbr.o: $(SUBDIR)aacsbr_tables.h $(SUBDIR)aacsbr_fixed.o: $(SUBDIR)aacsbr_fixed_tables.h -$(SUBDIR)aactab.o: $(SUBDIR)aac_tables.h $(SUBDIR)aactab_fixed.o: $(SUBDIR)aac_fixed_tables.h $(SUBDIR)dsddec.o: $(SUBDIR)dsd_tables.h $(SUBDIR)dvenc.o: $(SUBDIR)dv_tables.h diff --git a/libavcodec/aac_tablegen.c b/libavcodec/aac_tablegen.c deleted file mode 100644 index 2d13211..0000000 --- a/libavcodec/aac_tablegen.c +++ /dev/null @@ -1,39 +0,0 @@ -/* - * Generate a header file for hardcoded AAC tables - * - * Copyright (c) 2010 Alex Converse <alex.conve...@gmail.com> - * - * This file is part of FFmpeg. - * - * FFmpeg is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * FFmpeg is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with FFmpeg; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include <stdlib.h> -#define CONFIG_HARDCODED_TABLES 0 -#include "aac_tablegen.h" -#include "tableprint.h" - -int main(void) -{ - ff_aac_tableinit(); - - write_fileheader(); - - WRITE_ARRAY("const", float, ff_aac_pow2sf_tab); - - WRITE_ARRAY("const", float, ff_aac_pow34sf_tab); - - return 0; -} diff --git a/libavcodec/aac_tablegen.h b/libavcodec/aac_tablegen.h index e7d96d5..2032650 100644 --- a/libavcodec/aac_tablegen.h +++ b/libavcodec/aac_tablegen.h @@ -25,9 +25,6 @@ #include "aac_tablegen_decl.h" -#if CONFIG_HARDCODED_TABLES -#include "libavcodec/aac_tables.h" -#else #include "libavutil/mathematics.h" float ff_aac_pow2sf_tab[428]; float ff_aac_pow34sf_tab[428]; @@ -77,6 +74,5 @@ av_cold void ff_aac_tableinit(void) t2_inc_prev = t2_inc_cur; } } -#endif /* CONFIG_HARDCODED_TABLES */ #endif /* AVCODEC_AAC_TABLEGEN_H */ diff --git a/libavcodec/aac_tablegen_decl.h b/libavcodec/aac_tablegen_decl.h index ef86f85..5916971 100644 --- a/libavcodec/aac_tablegen_decl.h +++ b/libavcodec/aac_tablegen_decl.h @@ -25,14 +25,8 @@ #define POW_SF2_ZERO 200 ///< ff_aac_pow2sf_tab index corresponding to pow(2, 0); -#if CONFIG_HARDCODED_TABLES -#define ff_aac_tableinit() -extern const float ff_aac_pow2sf_tab[428]; -extern const float ff_aac_pow34sf_tab[428]; -#else void ff_aac_tableinit(void); extern float ff_aac_pow2sf_tab[428]; extern float ff_aac_pow34sf_tab[428]; -#endif /* CONFIG_HARDCODED_TABLES */ #endif /* AVCODEC_AAC_TABLEGEN_DECL_H */ -- 2.6.2 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel