mirror of
https://git.ffmpeg.org/ffmpeg.git
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5df901ffa5
av_ts_make_time_string() used "%.6g" format, but this format was losing precision even when the timestamp to be printed was not that large. For example for 3 hours (10800) seconds, only 1 decimal digit was printed, which made this format inaccurate when it was used in e.g. the silencedetect filter. Other detection filters printing timestamps had similar issues. Also time base parameter of the function was *AVRational instead of AVRational. Resolve these problems by introducing a new function, av_ts_make_time_string2(). We change the used format to "%.*f", use a precision of 6, except when printing values near 0, in which case we calculate the precision dynamically to aim for a similar precision in normal form as with %.6g. No longer using scientific representation can make parsing the timestamp easier for the users, we can safely do this because the theoretical maximum of INT64_MAX*INT32_MAX still fits into the string buffer in normal form. We somewhat imitate %g by trimming ending zeroes and the potential decimal point characters. In order not to trim "inf" as well, we assume that the decimal point string does not contain the letter "f". Note that depending on printf %f implementation, we might trim "infinity" to "inf". Thanks for Allan Cady for bringing up this issue. Signed-off-by: Marton Balint <cus@passwd.hu>
293 lines
19 KiB
Makefile
293 lines
19 KiB
Makefile
NAME = avutil
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DESC = FFmpeg utility library
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HEADERS = adler32.h \
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aes.h \
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aes_ctr.h \
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ambient_viewing_environment.h \
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attributes.h \
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audio_fifo.h \
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avassert.h \
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avstring.h \
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avutil.h \
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base64.h \
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blowfish.h \
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bprint.h \
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bswap.h \
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buffer.h \
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cast5.h \
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camellia.h \
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channel_layout.h \
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common.h \
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cpu.h \
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crc.h \
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csp.h \
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des.h \
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detection_bbox.h \
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dict.h \
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display.h \
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dovi_meta.h \
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downmix_info.h \
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encryption_info.h \
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error.h \
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eval.h \
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executor.h \
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fifo.h \
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file.h \
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frame.h \
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hash.h \
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hdr_dynamic_metadata.h \
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hdr_dynamic_vivid_metadata.h \
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hmac.h \
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hwcontext.h \
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hwcontext_cuda.h \
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hwcontext_d3d11va.h \
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hwcontext_d3d12va.h \
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hwcontext_drm.h \
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hwcontext_dxva2.h \
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hwcontext_qsv.h \
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hwcontext_mediacodec.h \
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hwcontext_opencl.h \
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hwcontext_vaapi.h \
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hwcontext_videotoolbox.h \
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hwcontext_vdpau.h \
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hwcontext_vulkan.h \
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iamf.h \
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imgutils.h \
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intfloat.h \
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intreadwrite.h \
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lfg.h \
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log.h \
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lzo.h \
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macros.h \
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mathematics.h \
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mastering_display_metadata.h \
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md5.h \
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mem.h \
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motion_vector.h \
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murmur3.h \
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opt.h \
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parseutils.h \
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pixdesc.h \
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pixelutils.h \
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pixfmt.h \
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random_seed.h \
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rc4.h \
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rational.h \
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replaygain.h \
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ripemd.h \
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samplefmt.h \
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sha.h \
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sha512.h \
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spherical.h \
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stereo3d.h \
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threadmessage.h \
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time.h \
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timecode.h \
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timestamp.h \
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tree.h \
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twofish.h \
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uuid.h \
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version.h \
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video_enc_params.h \
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xtea.h \
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tea.h \
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tx.h \
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film_grain_params.h \
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video_hint.h
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ARCH_HEADERS = bswap.h \
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intmath.h \
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intreadwrite.h \
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timer.h \
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BUILT_HEADERS = avconfig.h \
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ffversion.h
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OBJS = adler32.o \
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aes.o \
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aes_ctr.o \
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ambient_viewing_environment.o \
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audio_fifo.o \
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avstring.o \
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avsscanf.o \
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base64.o \
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blowfish.o \
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bprint.o \
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buffer.o \
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cast5.o \
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camellia.o \
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channel_layout.o \
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cpu.o \
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crc.o \
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csp.o \
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des.o \
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detection_bbox.o \
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dict.o \
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display.o \
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dovi_meta.o \
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downmix_info.o \
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encryption_info.o \
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error.o \
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eval.o \
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executor.o \
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fifo.o \
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file.o \
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file_open.o \
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float_dsp.o \
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fixed_dsp.o \
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frame.o \
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hash.o \
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hdr_dynamic_metadata.o \
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hdr_dynamic_vivid_metadata.o \
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hmac.o \
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hwcontext.o \
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iamf.o \
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imgutils.o \
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integer.o \
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intmath.o \
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lfg.o \
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lls.o \
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log.o \
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log2_tab.o \
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lzo.o \
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mathematics.o \
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mastering_display_metadata.o \
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md5.o \
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mem.o \
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murmur3.o \
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opt.o \
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parseutils.o \
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pixdesc.o \
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pixelutils.o \
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random_seed.o \
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rational.o \
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reverse.o \
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rc4.o \
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ripemd.o \
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samplefmt.o \
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sha.o \
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sha512.o \
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slicethread.o \
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spherical.o \
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stereo3d.o \
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threadmessage.o \
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time.o \
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timecode.o \
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timestamp.o \
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tree.o \
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twofish.o \
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utils.o \
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xga_font_data.o \
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xtea.o \
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tea.o \
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tx.o \
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tx_float.o \
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tx_double.o \
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tx_int32.o \
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uuid.o \
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version.o \
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video_enc_params.o \
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video_hint.o \
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film_grain_params.o \
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OBJS-$(CONFIG_CUDA) += hwcontext_cuda.o
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OBJS-$(CONFIG_D3D11VA) += hwcontext_d3d11va.o
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OBJS-$(CONFIG_D3D12VA) += hwcontext_d3d12va.o
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OBJS-$(CONFIG_DXVA2) += hwcontext_dxva2.o
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OBJS-$(CONFIG_LIBDRM) += hwcontext_drm.o
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OBJS-$(CONFIG_MACOS_KPERF) += macos_kperf.o
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OBJS-$(CONFIG_MEDIACODEC) += hwcontext_mediacodec.o
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OBJS-$(CONFIG_OPENCL) += hwcontext_opencl.o
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OBJS-$(CONFIG_QSV) += hwcontext_qsv.o
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OBJS-$(CONFIG_VAAPI) += hwcontext_vaapi.o
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OBJS-$(CONFIG_VIDEOTOOLBOX) += hwcontext_videotoolbox.o
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OBJS-$(CONFIG_VDPAU) += hwcontext_vdpau.o
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OBJS-$(CONFIG_VULKAN) += hwcontext_vulkan.o vulkan.o
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OBJS-$(!CONFIG_VULKAN) += hwcontext_stub.o
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OBJS += $(COMPAT_OBJS:%=../compat/%)
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# Windows resource file
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SHLIBOBJS-$(HAVE_GNU_WINDRES) += avutilres.o
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SKIPHEADERS += objc.h
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SKIPHEADERS-$(HAVE_CUDA_H) += hwcontext_cuda.h
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SKIPHEADERS-$(CONFIG_CUDA) += hwcontext_cuda_internal.h \
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cuda_check.h
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SKIPHEADERS-$(CONFIG_D3D11VA) += hwcontext_d3d11va.h
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SKIPHEADERS-$(CONFIG_D3D12VA) += hwcontext_d3d12va.h
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SKIPHEADERS-$(CONFIG_DXVA2) += hwcontext_dxva2.h
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SKIPHEADERS-$(CONFIG_QSV) += hwcontext_qsv.h
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SKIPHEADERS-$(CONFIG_OPENCL) += hwcontext_opencl.h
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SKIPHEADERS-$(CONFIG_VAAPI) += hwcontext_vaapi.h
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SKIPHEADERS-$(CONFIG_VIDEOTOOLBOX) += hwcontext_videotoolbox.h
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SKIPHEADERS-$(CONFIG_VDPAU) += hwcontext_vdpau.h
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SKIPHEADERS-$(CONFIG_VULKAN) += hwcontext_vulkan.h vulkan.h \
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vulkan_functions.h \
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vulkan_loader.h
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TESTPROGS = adler32 \
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aes \
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aes_ctr \
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audio_fifo \
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avstring \
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base64 \
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blowfish \
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bprint \
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cast5 \
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camellia \
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channel_layout \
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color_utils \
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cpu \
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crc \
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des \
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dict \
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display \
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encryption_info \
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error \
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eval \
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file \
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fifo \
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hash \
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hmac \
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hwdevice \
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integer \
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imgutils \
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lfg \
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lls \
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log \
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md5 \
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murmur3 \
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opt \
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pca \
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parseutils \
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pixdesc \
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pixelutils \
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pixfmt_best \
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random_seed \
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rational \
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ripemd \
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sha \
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sha512 \
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side_data_array \
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softfloat \
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tree \
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twofish \
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utf8 \
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uuid \
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xtea \
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tea \
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TESTPROGS-$(HAVE_THREADS) += cpu_init
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TESTPROGS-$(HAVE_LZO1X_999_COMPRESS) += lzo
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TOOLS = crypto_bench ffhash ffeval ffescape
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tools/crypto_bench$(EXESUF): ELIBS += $(if $(VERSUS),$(subst +, -l,+$(VERSUS)),)
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tools/crypto_bench.o: CFLAGS += -DUSE_EXT_LIBS=0$(if $(VERSUS),$(subst +,+USE_,+$(VERSUS)),)
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$(SUBDIR)tests/lzo$(EXESUF): ELIBS = -llzo2
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