Previous commit has sped up pcm_tablegen slightly, and table generation of the alaw and mulaw tables is ~ 20k cycles. Thus, these tables can always be generated at runtime.
Tested with/without --enable-hardcoded-tables. Signed-off-by: Ganesh Ajjanagadde <gajjanaga...@gmail.com> --- libavcodec/Makefile | 4 +--- libavcodec/pcm_tablegen.c | 39 --------------------------------------- libavcodec/pcm_tablegen.h | 6 ------ 3 files changed, 1 insertion(+), 48 deletions(-) delete mode 100644 libavcodec/pcm_tablegen.c diff --git a/libavcodec/Makefile b/libavcodec/Makefile index 0717d0a..568bc8a 100644 --- a/libavcodec/Makefile +++ b/libavcodec/Makefile @@ -978,7 +978,6 @@ HOSTPROGS = aacps_tablegen \ dv_tablegen \ motionpixels_tablegen \ mpegaudio_tablegen \ - pcm_tablegen \ qdm2_tablegen \ sinewin_tablegen \ sinewin_fixed_tablegen \ @@ -1003,7 +1002,7 @@ endif GEN_HEADERS = cbrt_tables.h cbrt_fixed_tables.h aacps_tables.h aacps_fixed_tables.h \ dv_tables.h \ sinewin_tables.h sinewin_fixed_tables.h mpegaudio_tables.h motionpixels_tables.h \ - pcm_tables.h qdm2_tables.h + qdm2_tables.h GEN_HEADERS := $(addprefix $(SUBDIR), $(GEN_HEADERS)) $(GEN_HEADERS): $(SUBDIR)%_tables.h: $(SUBDIR)%_tablegen$(HOSTEXESUF) @@ -1021,6 +1020,5 @@ $(SUBDIR)sinewin_fixed.o: $(SUBDIR)sinewin_fixed_tables.h $(SUBDIR)mpegaudiodec_fixed.o: $(SUBDIR)mpegaudio_tables.h $(SUBDIR)mpegaudiodec_float.o: $(SUBDIR)mpegaudio_tables.h $(SUBDIR)motionpixels.o: $(SUBDIR)motionpixels_tables.h -$(SUBDIR)pcm.o: $(SUBDIR)pcm_tables.h $(SUBDIR)qdm2.o: $(SUBDIR)qdm2_tables.h endif diff --git a/libavcodec/pcm_tablegen.c b/libavcodec/pcm_tablegen.c deleted file mode 100644 index bf8e7fb..0000000 --- a/libavcodec/pcm_tablegen.c +++ /dev/null @@ -1,39 +0,0 @@ -/* - * Generate a header file for hardcoded PCM tables - * - * Copyright (c) 2010 Reimar Döffinger <reimar.doeffin...@gmx.de> - * - * 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 "pcm_tablegen.h" -#include "tableprint.h" - -int main(void) -{ - pcm_alaw_tableinit(); - pcm_ulaw_tableinit(); - - write_fileheader(); - - WRITE_ARRAY("static const", uint8_t, linear_to_alaw); - WRITE_ARRAY("static const", uint8_t, linear_to_ulaw); - - return 0; -} diff --git a/libavcodec/pcm_tablegen.h b/libavcodec/pcm_tablegen.h index 7269977..d73a14e 100644 --- a/libavcodec/pcm_tablegen.h +++ b/libavcodec/pcm_tablegen.h @@ -72,11 +72,6 @@ static av_cold int ulaw2linear(unsigned char u_val) return (u_val & SIGN_BIT) ? (BIAS - t) : (t - BIAS); } -#if CONFIG_HARDCODED_TABLES -#define pcm_alaw_tableinit() -#define pcm_ulaw_tableinit() -#include "libavcodec/pcm_tables.h" -#else /* 16384 entries per table */ static uint8_t linear_to_alaw[16384]; static uint8_t linear_to_ulaw[16384]; @@ -114,6 +109,5 @@ static void pcm_ulaw_tableinit(void) { build_xlaw_table(linear_to_ulaw, ulaw2linear, 0xff); } -#endif /* CONFIG_HARDCODED_TABLES */ #endif /* AVCODEC_PCM_TABLEGEN_H */ -- 2.6.4 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel