On Thu, Dec 14, 2017 at 7:10 AM wm4 wrote:
> Explicitly identify decoder/encoder wrappers with a common name. This
> saves API users from guessing by the name suffix. For example, they
> don't have to guess that "h264_qsv" is the h264 QSV implementation, and
> instead they can just check the AVCodec .codec and .wrapper_name fields.
>
> Explicitly mark AVCodec entries that are hardware decoders or most
> likely hardware decoders with new AV_CODEC_CAPs. The purpose is allowing
> API users listing hardware decoders in a more generic way. The proposed
> AVCodecHWConfig does not provide this information fully, because it's
> concerned with decoder configuration, not information about the fact
> whether the hardware is used or not.
>
> AV_CODEC_CAP_HYBRID exists specifically for QSV, which can have software
> implementations in case the hardware is not capable.
>
> Based on a patch by Philip Langdale .
> ---
> doc/APIchanges | 4
> libavcodec/audiotoolboxdec.c| 1 +
> libavcodec/audiotoolboxenc.c| 1 +
> libavcodec/avcodec.h| 26 ++
> libavcodec/cuviddec.c | 3 ++-
> libavcodec/libcelt_dec.c| 1 +
> libavcodec/libfdk-aacdec.c | 1 +
> libavcodec/libfdk-aacenc.c | 1 +
> libavcodec/libgsmdec.c | 2 ++
> libavcodec/libgsmenc.c | 2 ++
> libavcodec/libilbc.c| 1 +
> libavcodec/libkvazaar.c | 2 ++
> libavcodec/libmp3lame.c | 1 +
> libavcodec/libopencore-amr.c| 1 +
> libavcodec/libopenh264dec.c | 1 +
> libavcodec/libopenh264enc.c | 1 +
> libavcodec/libopenjpegdec.c | 1 +
> libavcodec/libopenjpegenc.c | 1 +
> libavcodec/libopusdec.c | 1 +
> libavcodec/libopusenc.c | 1 +
> libavcodec/librsvgdec.c | 1 +
> libavcodec/libshine.c | 1 +
> libavcodec/libspeexdec.c| 1 +
> libavcodec/libspeexenc.c| 1 +
> libavcodec/libtheoraenc.c | 1 +
> libavcodec/libtwolame.c | 1 +
> libavcodec/libvo-amrwbenc.c | 1 +
> libavcodec/libvorbisenc.c | 1 +
> libavcodec/libvpxdec.c | 2 ++
> libavcodec/libvpxenc.c | 2 ++
> libavcodec/libwavpackenc.c | 1 +
> libavcodec/libwebpenc.c | 1 +
> libavcodec/libwebpenc_animencoder.c | 1 +
> libavcodec/libx264.c| 3 +++
> libavcodec/libx265.c| 1 +
> libavcodec/libxavs.c| 1 +
> libavcodec/libxvid.c| 1 +
> libavcodec/libzvbi-teletextdec.c| 1 +
> libavcodec/mediacodecdec.c | 18 --
> libavcodec/mmaldec.c| 3 ++-
> libavcodec/nvenc_h264.c | 9 ++---
> libavcodec/nvenc_hevc.c | 6 --
> libavcodec/qsvdec_h2645.c | 6 --
> libavcodec/qsvdec_other.c | 9 ++---
> libavcodec/qsvenc_h264.c| 3 ++-
> libavcodec/qsvenc_hevc.c| 3 ++-
> libavcodec/qsvenc_jpeg.c| 3 ++-
> libavcodec/qsvenc_mpeg2.c | 3 ++-
> libavcodec/v4l2_m2m_dec.c | 2 ++
> libavcodec/v4l2_m2m_enc.c | 2 ++
> libavcodec/vaapi_encode_h264.c | 3 ++-
> libavcodec/vaapi_encode_h265.c | 3 ++-
> libavcodec/vaapi_encode_mjpeg.c | 2 ++
> libavcodec/vaapi_encode_mpeg2.c | 3 ++-
> libavcodec/vaapi_encode_vp8.c | 3 ++-
> libavcodec/vaapi_encode_vp9.c | 3 ++-
> libavcodec/version.h| 4 ++--
> libavcodec/videotoolboxenc.c| 3 ++-
> 58 files changed, 136 insertions(+), 30 deletions(-)
>
> diff --git a/doc/APIchanges b/doc/APIchanges
> index 4af69c64bd..b4451ab193 100644
> --- a/doc/APIchanges
> +++ b/doc/APIchanges
> @@ -15,6 +15,10 @@ libavutil: 2017-10-21
>
> API changes, most recent first:
>
> +2017-xx-xx - xxc - lavc 58.7.100 - avcodec.h
> + Add AV_CODEC_CAP_HARDWARE, AV_CODEC_CAP_HYBRID, and
> AVCodec.wrapper_name,
> + and mark all AVCodecs accordingly.
> +
> 2017-xx-xx - xxx - lavu 56.4.100 / 56.7.0 - stereo3d.h
>Add view field to AVStereo3D structure and AVStereo3DView enum.
>
> diff --git a/libavcodec/audiotoolboxdec.c b/libavcodec/audiotoolboxdec.c
> index 3711665bbd..5c0a9de8f6 100644
> --- a/libavcodec/audiotoolboxdec.c
> +++ b/libavcodec/audiotoolboxdec.c
> @@ -597,6 +597,7 @@ static av_cold int ffat_close_decoder(AVCodecContext
> *avctx)
> .bsfs = bsf_name, \
> .capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_DELAY, \
> .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE |
> FF_CODEC_CAP_INIT_CLEANUP, \
> +.wrapper_name = "at", \
> };
>
> FFAT_DEC(aac, AV_CODEC_ID_AAC, "aac_adtstoasc")
> diff --git a/libavcodec/audiotoolboxenc.c b/libavcodec/audiotoolboxenc.c
> index c47fbd1b2d..71885d1530 100644
> --- a/libavcodec/audio
