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Fixed bug #292 I might be on crack here. It looks like SDL_ConvertMono() in src/audio/SDL_audiocvt.c adds the left and right channels of a stereo stream together, and clamps the new mono channel if it would overflow. Shouldn't it be dividing by 2 to average the two sample points instead of clamping? Otherwise the mono sample point's volume doubles in the conversion. This would also make the conversion faster, as it replaces two branches per sample frame with a bitwise shift. --ryan.
author Sam Lantinga <slouken@libsdl.org>
date Sun, 24 Sep 2006 15:56:36 +0000
parents c121d94672cb
children b7a48f533966
line wrap: on
line source

#GL=1

CC = sh-elf-gcc
AR = sh-elf-ar

ifdef GL
DEFS += -DSDL_VIDEO_OPENGL=1
TARGET = libSDL_gl.a
else
TARGET = libSDL.a
endif

CFLAGS=$(KOS_CFLAGS) $(DEFS) -Iinclude

SRCS = \
	src/audio/dc/SDL_dcaudio.c \
	src/audio/dc/aica.c \
	src/audio/dummy/SDL_dummyaudio.c \
	src/audio/SDL_audio.c \
	src/audio/SDL_audiocvt.c \
	src/audio/SDL_audiodev.c \
	src/audio/SDL_mixer.c \
	src/audio/SDL_wave.c \
	src/cdrom/dc/SDL_syscdrom.c \
	src/cdrom/SDL_cdrom.c \
	src/events/SDL_active.c \
	src/events/SDL_events.c \
	src/events/SDL_expose.c \
	src/events/SDL_keyboard.c \
	src/events/SDL_mouse.c \
	src/events/SDL_quit.c \
	src/events/SDL_resize.c \
	src/file/SDL_rwops.c \
	src/joystick/dc/SDL_sysjoystick.c \
	src/joystick/SDL_joystick.c \
	src/loadso/dummy/SDL_sysloadso.c \
	src/SDL.c \
	src/SDL_error.c \
	src/SDL_fatal.c \
	src/stdlib/SDL_getenv.c \
	src/stdlib/SDL_iconv.c \
	src/stdlib/SDL_malloc.c \
	src/stdlib/SDL_qsort.c \
	src/stdlib/SDL_stdlib.c \
	src/stdlib/SDL_string.c \
	src/thread/dc/SDL_syscond.c \
	src/thread/dc/SDL_sysmutex.c \
	src/thread/dc/SDL_syssem.c \
	src/thread/dc/SDL_systhread.c \
	src/thread/SDL_thread.c \
	src/timer/dc/SDL_systimer.c \
	src/timer/SDL_timer.c \
	src/video/dc/SDL_dcevents.c \
	src/video/dc/SDL_dcvideo.c \
	src/video/dummy/SDL_nullevents.c \
	src/video/dummy/SDL_nullmouse.c \
	src/video/dummy/SDL_nullvideo.c \
	src/video/glsdl/SDL_glsdl.c \
	src/video/SDL_blit.c \
	src/video/SDL_blit_0.c \
	src/video/SDL_blit_1.c \
	src/video/SDL_blit_A.c \
	src/video/SDL_blit_N.c \
	src/video/SDL_bmp.c \
	src/video/SDL_cursor.c \
	src/video/SDL_gamma.c \
	src/video/SDL_pixels.c \
	src/video/SDL_RLEaccel.c \
	src/video/SDL_stretch.c \
	src/video/SDL_surface.c \
	src/video/SDL_video.c \
	src/video/SDL_yuv.c \
	src/video/SDL_yuv_sw.c \

OBJS = $(SRCS:.c=.o)

TEST = \
	test/checkkeys.c \
	test/graywin.c \
	test/loopwave.c \
	test/testalpha.c \
	test/testbitmap.c \
	test/testcdrom.c \
	test/testerror.c \
	test/testgamma.c \
	test/testgl.c \
	test/testhread.c \
	test/testjoystick.c \
	test/testkeys.c \
	test/testlock.c \
	test/testoverlay.c \
	test/testpalette.c \
	test/testsem.c \
	test/testsprite.c \
	test/testtimer.c \
	test/testtypes.c \
	test/testver.c \
	test/testvidinfo.c \
	test/testwin.c \
	test/testwm.c \
	test/threadwin.c \
	test/torturethread.c \

$(TARGET): copy_config \
	$(OBJS)
	$(AR) rcs $(TARGET) $(OBJS) 

copy_config:
	@cp include/SDL_config.h.default include/SDL_config.h

clean:
	rm -f include/SDL_config.h $(OBJS)