On Tue, 5 Sep 2017 23:59:31 +0100
Mark Thompson <s...@jkqxz.net> wrote:
> ---
> doc/APIchanges | 3 +++
> libavcodec/avcodec.h | 23 +++++++++++++++++++++++
> 2 files changed, 26 insertions(+)
>
> diff --git a/doc/APIchanges b/doc/APIchanges
> index 6f70f3c96..f21dc4db0 100644
> --- a/doc/APIchanges
> +++ b/doc/APIchanges
> @@ -14,6 +14,9 @@ libavutil: 2017-03-23
> API changes, most recent first:
>
> 2017-xx-xx - xxxxxxx - lavc 58.x+1.0 - avcodec.h
> + Add AVCodecHWConfig and AVCodec.hw_configs.
> +
> +2017-xx-xx - xxxxxxx - lavc 58.x+1.0 - avcodec.h
> Add AV_HWACCEL_FLAG_REUSE_CONTEXT.
>
> 2017-xx-xx - xxxxxxx - lavfi 7.x+1.0 - avfilter.h
> diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
> index 89e432d16..4f6b76203 100644
> --- a/libavcodec/avcodec.h
> +++ b/libavcodec/avcodec.h
> @@ -35,6 +35,7 @@
> #include "libavutil/cpu.h"
> #include "libavutil/dict.h"
> #include "libavutil/frame.h"
> +#include "libavutil/hwcontext.h"
> #include "libavutil/log.h"
> #include "libavutil/pixfmt.h"
> #include "libavutil/rational.h"
> @@ -2773,6 +2774,19 @@ typedef struct AVProfile {
> const char *name; ///< short name for the profile
> } AVProfile;
>
> +typedef struct AVCodecHWConfig {
> + /**
> + * A device type which can be supplied to the codec.
> + */
> + enum AVHWDeviceType device_type;
> + /**
> + * The matching hardware pixel format which the codec can produce.
> + *
> + * Set to AV_PIX_FMT_NONE if no hardware pixel format is available.
> + */
> + enum AVPixelFormat pix_fmt;
> +} AVCodecHWConfig;
> +
> typedef struct AVCodecDefault AVCodecDefault;
>
> struct AVSubtitle;
> @@ -2808,6 +2822,15 @@ typedef struct AVCodec {
> const AVClass *priv_class; ///< AVClass for the private
> context
> const AVProfile *profiles; ///< array of recognized
> profiles, or NULL if unknown, array is terminated by {FF_PROFILE_UNKNOWN}
>
> + /**
> + * Array of hardware configurations supported by the codec, or NULL
> + * if no hardware supported.
> + *
> + * The array is terminated by a configuration with a device_type of
> + * AV_HW_DEVICE_TYPE_NONE.
> + */
> + const AVCodecHWConfig *hw_configs;
> +
> /*****************************************************************
> * No fields below this line are part of the public API. They
> * may not be used outside of libavcodec and can be changed and
What if a decoder provides hardware decoding, but has no associated
AVHWDeviceType? (Such as mmal.)
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