[FFmpeg-devel] [PATCH 1/3] libdavs2: update api version and enable avx option

Liu Steven lq at chinaffmpeg.org
Mon Dec 3 08:45:01 EET 2018



> 在 2018年11月20日,上午9:51,hwrenx <hwrenx at 126.com> 写道:
> 
> Signed-off-by: hwrenx <hwrenx at 126.com>
> ---
> configure             | 2 +-
> libavcodec/libdavs2.c | 3 +++
> 2 files changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/configure b/configure
> index b4f944c..1a9f874 100755
> --- a/configure
> +++ b/configure
> @@ -6076,7 +6076,7 @@ enabled libcelt           && require libcelt celt/celt.h celt_decode -lcelt0 &&
> enabled libcaca           && require_pkg_config libcaca caca caca.h caca_create_canvas
> enabled libcodec2         && require libcodec2 codec2/codec2.h codec2_create -lcodec2
> enabled libdav1d          && require_pkg_config libdav1d "dav1d >= 0.0.1" "dav1d/dav1d.h" dav1d_version
> -enabled libdavs2          && require_pkg_config libdavs2 "davs2 >= 1.5.115" davs2.h davs2_decoder_open
> +enabled libdavs2          && require_pkg_config libdavs2 "davs2 >= 1.6.0" davs2.h davs2_decoder_open
> enabled libdc1394         && require_pkg_config libdc1394 libdc1394-2 dc1394/dc1394.h dc1394_new
> enabled libdrm            && require_pkg_config libdrm libdrm xf86drm.h drmGetVersion
> enabled libfdk_aac        && { check_pkg_config libfdk_aac fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen ||
> diff --git a/libavcodec/libdavs2.c b/libavcodec/libdavs2.c
> index 874f2f0..9a905b8 100644
> --- a/libavcodec/libdavs2.c
> +++ b/libavcodec/libdavs2.c
> @@ -40,11 +40,14 @@ typedef struct DAVS2Context {
> static av_cold int davs2_init(AVCodecContext *avctx)
> {
>     DAVS2Context *cad = avctx->priv_data;
> +    int cpu_flags = av_get_cpu_flags();
> 
>     /* init the decoder */
>     cad->param.threads      = avctx->thread_count;
>     cad->param.info_level   = 0;
>     cad->decoder            = davs2_decoder_open(&cad->param);
> +    cad->param.disable_avx  = !(cpu_flags & AV_CPU_FLAG_AVX &&
> +                                cpu_flags & AV_CPU_FLAG_AVX2);
> 
>     if (!cad->decoder) {
>         av_log(avctx, AV_LOG_ERROR, "decoder created error.");
> -- 
> 2.7.4
> 
> _______________________________________________
> ffmpeg-devel mailing list
> ffmpeg-devel at ffmpeg.org
> http://ffmpeg.org/mailman/listinfo/ffmpeg-devel

Patchset pushed


Thanks

Steven Liu





More information about the ffmpeg-devel mailing list