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Convert DSD to PCM with the same 96-tap symmetric lowpass filter the libavcodec DSD decoders use. The implementation is copied from libavcodec/dsd.c, minus the LSBF table variants, since AV_SAMPLE_FMT_DSD is defined as MSBF. The libavcodec copy will be removed in future commits as decoders are transitioned to SWR. The conversion is stateful (per-channel filter history), so the audio conversion functions gain a per-channel state argument. DSD silence is the 0x69 bit pattern instead of the 0x80 used for PCM. Only a direct DSD to float conversion function is provided. For format pairs without a direct conversion function (e.g. DSD to s16 with equal rates), swr_init() now falls back from the full_convert shortcut to the generic two-stage path instead of failing, and reports unsupported conversions with a proper error message instead of ENOMEM. Signed-off-by: Kacper Michajłow <kasper93@gmail.com>
36 lines
970 B
Plaintext
36 lines
970 B
Plaintext
Files without standard license headers:
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libavcodec/file_open.c
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libavcodec/interplayacm.c
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libavcodec/log2_tab.c
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libavcodec/reverse.c
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libavcodec/riscv/cpu_common.c
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libavdevice/file_open.c
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libavdevice/reverse.c
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libavdevice/riscv/cpu_common.c
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libavfilter/file_open.c
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libavfilter/log2_tab.c
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libavfilter/riscv/cpu_common.c
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libavformat/file_open.c
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libavformat/golomb_tab.c
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libavformat/log2_tab.c
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libavformat/rangecoder_dec.c
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libavformat/riscv/cpu_common.c
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libswresample/log2_tab.c
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libswresample/reverse.c
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libswscale/aarch64/ops_entries.c
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libswscale/log2_tab.c
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libswscale/riscv/cpu_common.c
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libswscale/uops_macros.h
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tools/uncoded_frame.c
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tools/yuvcmp.c
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Headers without standard inclusion guards:
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compat/djgpp/math.h
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compat/float/float.h
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compat/float/limits.h
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compat/stdbit/stdbit.h
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libavcodec/bitstream_template.h
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libswscale/x86/uops_macros.asm.h
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tools/decode_simple.h
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Use of av_clip() where av_clip_uintp2() could be used:
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Use of av_clip() where av_clip_intp2() could be used:
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