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  • configure : Merge compiler/libc/os hacks sections

    20 janvier 2017, par Diego Biurrun
    configure: Merge compiler/libc/os hacks sections
    • [DBH] configure

  • configure : Use cppflags check helper functions where appropriate

    20 janvier 2017, par Diego Biurrun
    configure: Use cppflags check helper functions where appropriate
    • [DBH] configure

  • lavc : deprecate refcounted_frames field

    16 janvier 2017, par wm4
    lavc: deprecate refcounted_frames field

No deprecation guards, because the old decode API (for which this field
is needed) doesn't have any either.

This field should be removed together with the old decode calls.

Signed-off-by: Anton Khirnov <anton@khirnov.net>
    • [DBH] doc/APIchanges
    • [DBH] libavcodec/avcodec.h

  • hwcontext_cuda : implement frames_get_constraints

    16 janvier 2017, par wm4
    hwcontext_cuda: implement frames_get_constraints

Copied and modified from hwcontext_qsv.c.

Signed-off-by: Anton Khirnov <anton@khirnov.net>
    • [DBH] libavutil/hwcontext_cuda.c

  • arm/aarch64 : vp9lpf : Keep the comparison to E within 8 bit

    14 janvier 2017, par Martin Storsjö
    arm/aarch64: vp9lpf: Keep the comparison to E within 8 bit

The theoretical maximum value of E is 193, so we can just
saturate the addition to 255.

Before:                     Cortex A7      A8      A9     A53  A53/AArch64
vp9_loop_filter_v_4_8_neon:     143.0   127.7   114.8    88.0         87.7
vp9_loop_filter_v_8_8_neon:     241.0   197.2   173.7   140.0        136.7
vp9_loop_filter_v_16_8_neon:    497.0   419.5   379.7   293.0        275.7
vp9_loop_filter_v_16_16_neon:   965.2   818.7   731.4   579.0        452.0
After:
vp9_loop_filter_v_4_8_neon:     136.0   125.7   112.6    84.0         83.0
vp9_loop_filter_v_8_8_neon:     234.0   195.5   171.5   136.0        133.7
vp9_loop_filter_v_16_8_neon:    490.0   417.5   377.7   289.0        271.0
vp9_loop_filter_v_16_16_neon:   951.2   814.7   732.3   571.0        446.7

Signed-off-by: Martin Storsjö <martin@martin.st>
    • [DBH] libavcodec/aarch64/vp9lpf_neon.S
    • [DBH] libavcodec/arm/vp9lpf_neon.S

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