[FFmpeg-devel] [PATCH v13 15/15] avcodec/hw_base_encode: avoid getting FFHWBaseEncodeContext from avctx

Wu, Tong1 tong1.wu at intel.com
Thu Jun 6 16:12:22 EEST 2024



>-----Original Message-----
>From: ffmpeg-devel <ffmpeg-devel-bounces at ffmpeg.org> On Behalf Of Lynne
>via ffmpeg-devel
>Sent: Thursday, June 6, 2024 8:31 PM
>To: FFmpeg development discussions and patches <ffmpeg-devel at ffmpeg.org>
>Cc: Lynne <dev at lynne.ee>
>Subject: Re: [FFmpeg-devel] [PATCH v13 15/15] avcodec/hw_base_encode:
>avoid getting FFHWBaseEncodeContext from avctx
>
>On 06/06/2024 08:46, Wu, Tong1 wrote:
>>> From: ffmpeg-devel <ffmpeg-devel-bounces at ffmpeg.org> On Behalf Of
>Lynne
>>> via ffmpeg-devel
>>> Sent: Thursday, June 6, 2024 2:11 PM
>>> To: ffmpeg-devel at ffmpeg.org
>>> Cc: Lynne <dev at lynne.ee>
>>> Subject: Re: [FFmpeg-devel] [PATCH v13 15/15] avcodec/hw_base_encode:
>>> avoid getting FFHWBaseEncodeContext from avctx
>>>
>>> On 03/06/2024 11:19, tong1.wu-at-intel.com at ffmpeg.org wrote:
>>>> From: Tong Wu <tong1.wu at intel.com>
>>>>
>>>> This patch is to make FFHWBaseEncodeContext a standalone component
>>>> and avoid getting FFHWBaseEncodeContext from avctx->priv_data.
>>>> This patch also removes some unnecessary AVCodecContext arguments.
>>>>
>>>> For receive_packet call, a small wrapper is introduced.
>>>>
>>>> Signed-off-by: Tong Wu <tong1.wu at intel.com>
>>>> ---
>>>>    libavcodec/d3d12va_encode.c      | 17 +++++---
>>>>    libavcodec/d3d12va_encode.h      |  2 +
>>>>    libavcodec/d3d12va_encode_hevc.c |  2 +-
>>>>    libavcodec/hw_base_encode.c      | 71 ++++++++++++++------------------
>>>>    libavcodec/hw_base_encode.h      | 17 ++++----
>>>>    libavcodec/vaapi_encode.c        | 16 ++++---
>>>>    libavcodec/vaapi_encode.h        |  2 +
>>>>    libavcodec/vaapi_encode_av1.c    |  2 +-
>>>>    libavcodec/vaapi_encode_h264.c   |  2 +-
>>>>    libavcodec/vaapi_encode_h265.c   |  2 +-
>>>>    libavcodec/vaapi_encode_mjpeg.c  |  2 +-
>>>>    libavcodec/vaapi_encode_mpeg2.c  |  2 +-
>>>>    libavcodec/vaapi_encode_vp8.c    |  2 +-
>>>>    libavcodec/vaapi_encode_vp9.c    |  2 +-
>>>>    14 files changed, 76 insertions(+), 65 deletions(-)
>>>>
>>>> diff --git a/libavcodec/d3d12va_encode.c b/libavcodec/d3d12va_encode.c
>>>> index 0fbf8eb07c..9f7a42911e 100644
>>>> --- a/libavcodec/d3d12va_encode.c
>>>> +++ b/libavcodec/d3d12va_encode.c
>>>> @@ -676,6 +676,7 @@ end:
>>>>    static int d3d12va_encode_output(AVCodecContext *avctx,
>>>>                                     const FFHWBaseEncodePicture *base_pic, AVPacket
>*pkt)
>>>>    {
>>>> +    FFHWBaseEncodeContext *base_ctx = avctx->priv_data;
>>>>        D3D12VAEncodePicture *pic = (D3D12VAEncodePicture *)base_pic;
>>>>        AVPacket *pkt_ptr = pkt;
>>>>        int err;
>>>> @@ -691,7 +692,8 @@ static int
>d3d12va_encode_output(AVCodecContext
>>> *avctx,
>>>>        av_log(avctx, AV_LOG_DEBUG, "Output read for
>>> pic %"PRId64"/%"PRId64".\n",
>>>>               base_pic->display_order, base_pic->encode_order);
>>>>
>>>> -    ff_hw_base_encode_set_output_property(avctx,
>>> (FFHWBaseEncodePicture *)base_pic, pkt_ptr, 0);
>>>> +    ff_hw_base_encode_set_output_property(base_ctx, avctx,
>>> (FFHWBaseEncodePicture *)base_pic,
>>>> +                                          pkt_ptr, 0);
>>>>
>>>>        return 0;
>>>>    }
>>>> @@ -1119,7 +1121,7 @@ static int
>>> d3d12va_encode_init_gop_structure(AVCodecContext *avctx)
>>>>                   "replacing them with B-frames.\n");
>>>>        }
>>>>
>>>> -    err = ff_hw_base_init_gop_structure(avctx, ref_l0, ref_l1, ctx->codec-
>>>> flags, 0);
>>>> +    err = ff_hw_base_init_gop_structure(base_ctx, avctx, ref_l0, ref_l1, ctx-
>>>> codec->flags, 0);
>>>>        if (err < 0)
>>>>            return err;
>>>>
>>>> @@ -1351,7 +1353,7 @@ static int
>>> d3d12va_encode_create_recon_frames(AVCodecContext *avctx)
>>>>        enum AVPixelFormat recon_format;
>>>>        int err;
>>>>
>>>> -    err = ff_hw_base_get_recon_format(avctx, NULL, &recon_format);
>>>> +    err = ff_hw_base_get_recon_format(base_ctx, NULL, &recon_format);
>>>>        if (err < 0)
>>>>            return err;
>>>>
>>>> @@ -1390,6 +1392,11 @@ static const FFHWEncodePictureOperation
>>> d3d12va_type = {
>>>>        .free   = &d3d12va_encode_free,
>>>>    };
>>>>
>>>> +int ff_d3d12va_encode_receive_packet(AVCodecContext *avctx, AVPacket
>>> *pkt)
>>>> +{
>>>> +    return ff_hw_base_encode_receive_packet(avctx->priv_data, avctx,
>pkt);
>>>> +}
>>>> +
>>>>    int ff_d3d12va_encode_init(AVCodecContext *avctx)
>>>>    {
>>>>        FFHWBaseEncodeContext *base_ctx = avctx->priv_data;
>>>> @@ -1398,7 +1405,7 @@ int ff_d3d12va_encode_init(AVCodecContext
>>> *avctx)
>>>>        int err;
>>>>        HRESULT hr;
>>>>
>>>> -    err = ff_hw_base_encode_init(avctx);
>>>> +    err = ff_hw_base_encode_init(avctx, base_ctx);
>>>>        if (err < 0)
>>>>            goto fail;
>>>>
>>>> @@ -1552,7 +1559,7 @@ int ff_d3d12va_encode_close(AVCodecContext
>>> *avctx)
>>>>        D3D12_OBJECT_RELEASE(ctx->video_device3);
>>>>        D3D12_OBJECT_RELEASE(ctx->device3);
>>>>
>>>> -    ff_hw_base_encode_close(avctx);
>>>> +    ff_hw_base_encode_close(base_ctx);
>>>>
>>>>        return 0;
>>>>    }
>>>> diff --git a/libavcodec/d3d12va_encode.h
>b/libavcodec/d3d12va_encode.h
>>>> index f355261f66..1a0abc5bd0 100644
>>>> --- a/libavcodec/d3d12va_encode.h
>>>> +++ b/libavcodec/d3d12va_encode.h
>>>> @@ -313,6 +313,8 @@ typedef struct D3D12VAEncodeType {
>>>>                                     char *data, size_t *data_len);
>>>>    } D3D12VAEncodeType;
>>>>
>>>> +int ff_d3d12va_encode_receive_packet(AVCodecContext *avctx, AVPacket
>>> *pkt);
>>>> +
>>>>    int ff_d3d12va_encode_init(AVCodecContext *avctx);
>>>>    int ff_d3d12va_encode_close(AVCodecContext *avctx);
>>>>
>>>> diff --git a/libavcodec/d3d12va_encode_hevc.c
>>> b/libavcodec/d3d12va_encode_hevc.c
>>>> index 24823b3c56..4a12ddd0dc 100644
>>>> --- a/libavcodec/d3d12va_encode_hevc.c
>>>> +++ b/libavcodec/d3d12va_encode_hevc.c
>>>> @@ -990,7 +990,7 @@ const FFCodec ff_hevc_d3d12va_encoder = {
>>>>        .p.id           = AV_CODEC_ID_HEVC,
>>>>        .priv_data_size = sizeof(D3D12VAEncodeHEVCContext),
>>>>        .init           = &d3d12va_encode_hevc_init,
>>>> -
>FF_CODEC_RECEIVE_PACKET_CB(&ff_hw_base_encode_receive_packet),
>>>> +
>FF_CODEC_RECEIVE_PACKET_CB(&ff_d3d12va_encode_receive_packet),
>>>>        .close          = &d3d12va_encode_hevc_close,
>>>>        .p.priv_class   = &d3d12va_encode_hevc_class,
>>>>        .p.capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_HARDWARE
>|
>>>> diff --git a/libavcodec/hw_base_encode.c b/libavcodec/hw_base_encode.c
>>>> index 92f69bb78c..ecb4be6aa4 100644
>>>> --- a/libavcodec/hw_base_encode.c
>>>> +++ b/libavcodec/hw_base_encode.c
>>>> @@ -94,14 +94,13 @@ static void
>>> hw_base_encode_remove_refs(FFHWBaseEncodePicture *pic, int level)
>>>>        pic->ref_removed[level] = 1;
>>>>    }
>>>>
>>>> -static void hw_base_encode_set_b_pictures(AVCodecContext *avctx,
>>>> +static void hw_base_encode_set_b_pictures(FFHWBaseEncodeContext
>*ctx,
>>>>                                              FFHWBaseEncodePicture *start,
>>>>                                              FFHWBaseEncodePicture *end,
>>>>                                              FFHWBaseEncodePicture *prev,
>>>>                                              int current_depth,
>>>>                                              FFHWBaseEncodePicture **last)
>>>>    {
>>>> -    FFHWBaseEncodeContext *ctx = avctx->priv_data;
>>>>        FFHWBaseEncodePicture *pic, *next, *ref;
>>>>        int i, len;
>>>>
>>>> @@ -148,20 +147,19 @@ static void
>>> hw_base_encode_set_b_pictures(AVCodecContext *avctx,
>>>>                hw_base_encode_add_ref(pic, ref, 0, 1, 0);
>>>>
>>>>            if (i > 1)
>>>> -            hw_base_encode_set_b_pictures(avctx, start, pic, pic,
>>>> +            hw_base_encode_set_b_pictures(ctx, start, pic, pic,
>>>>                                              current_depth + 1, &next);
>>>>            else
>>>>                next = pic;
>>>>
>>>> -        hw_base_encode_set_b_pictures(avctx, pic, end, next,
>>>> +        hw_base_encode_set_b_pictures(ctx, pic, end, next,
>>>>                                          current_depth + 1, last);
>>>>        }
>>>>    }
>>>>
>>>> -static void hw_base_encode_add_next_prev(AVCodecContext *avctx,
>>>> +static void hw_base_encode_add_next_prev(FFHWBaseEncodeContext
>>> *ctx,
>>>>                                             FFHWBaseEncodePicture *pic)
>>>>    {
>>>> -    FFHWBaseEncodeContext *ctx = avctx->priv_data;
>>>>        int i;
>>>>
>>>>        if (!pic)
>>>> @@ -192,9 +190,9 @@ static void
>>> hw_base_encode_add_next_prev(AVCodecContext *avctx,
>>>>    }
>>>>
>>>>    static int hw_base_encode_pick_next(AVCodecContext *avctx,
>>>> +                                    FFHWBaseEncodeContext *ctx,
>>>>                                        FFHWBaseEncodePicture **pic_out)
>>>>    {
>>>> -    FFHWBaseEncodeContext *ctx = avctx->priv_data;
>>>>        FFHWBaseEncodePicture *pic = NULL, *prev = NULL, *next, *start;
>>>>        int i, b_counter, closed_gop_end;
>>>>
>>>> @@ -333,19 +331,18 @@ static int
>>> hw_base_encode_pick_next(AVCodecContext *avctx,
>>>>        }
>>>>
>>>>        if (b_counter > 0) {
>>>> -        hw_base_encode_set_b_pictures(avctx, start, pic, pic, 1,
>>>> +        hw_base_encode_set_b_pictures(ctx, start, pic, pic, 1,
>>>>                                          &prev);
>>>>        } else {
>>>>            prev = pic;
>>>>        }
>>>> -    hw_base_encode_add_next_prev(avctx, prev);
>>>> +    hw_base_encode_add_next_prev(ctx, prev);
>>>>
>>>>        return 0;
>>>>    }
>>>>
>>>> -static int hw_base_encode_clear_old(AVCodecContext *avctx)
>>>> +static int hw_base_encode_clear_old(AVCodecContext *avctx,
>>> FFHWBaseEncodeContext *ctx)
>>>>    {
>>>> -    FFHWBaseEncodeContext *ctx = avctx->priv_data;
>>>>        FFHWBaseEncodePicture *pic, *prev, *next;
>>>>
>>>>        av_assert0(ctx->pic_start);
>>>> @@ -381,14 +378,12 @@ static int
>>> hw_base_encode_clear_old(AVCodecContext *avctx)
>>>>        return 0;
>>>>    }
>>>>
>>>> -static int hw_base_encode_check_frame(AVCodecContext *avctx,
>>>> +static int hw_base_encode_check_frame(FFHWBaseEncodeContext *ctx,
>>>>                                          const AVFrame *frame)
>>>>    {
>>>> -    FFHWBaseEncodeContext *ctx = avctx->priv_data;
>>>> -
>>>>        if ((frame->crop_top  || frame->crop_bottom ||
>>>>             frame->crop_left || frame->crop_right) && !ctx->crop_warned) {
>>>> -        av_log(avctx, AV_LOG_WARNING, "Cropping information on input "
>>>> +        av_log(ctx->log_ctx, AV_LOG_WARNING, "Cropping information on
>>> input "
>>>>                   "frames ignored due to lack of API support.\n");
>>>>            ctx->crop_warned = 1;
>>>>        }
>>>> @@ -398,7 +393,7 @@ static int
>>> hw_base_encode_check_frame(AVCodecContext *avctx,
>>>>                av_frame_get_side_data(frame,
>>> AV_FRAME_DATA_REGIONS_OF_INTEREST);
>>>>
>>>>            if (sd && !ctx->roi_warned) {
>>>> -            av_log(avctx, AV_LOG_WARNING, "ROI side data on input "
>>>> +            av_log(ctx->log_ctx, AV_LOG_WARNING, "ROI side data on input "
>>>>                       "frames ignored due to lack of driver support.\n");
>>>>                ctx->roi_warned = 1;
>>>>            }
>>>> @@ -407,9 +402,9 @@ static int
>>> hw_base_encode_check_frame(AVCodecContext *avctx,
>>>>        return 0;
>>>>    }
>>>>
>>>> -static int hw_base_encode_send_frame(AVCodecContext *avctx, AVFrame
>>> *frame)
>>>> +static int hw_base_encode_send_frame(AVCodecContext *avctx,
>>> FFHWBaseEncodeContext *ctx,
>>>> +                                     AVFrame *frame)
>>>>    {
>>>> -    FFHWBaseEncodeContext *ctx = avctx->priv_data;
>>>>        FFHWBaseEncodePicture *pic;
>>>>        int err;
>>>>
>>>> @@ -417,7 +412,7 @@ static int
>>> hw_base_encode_send_frame(AVCodecContext *avctx, AVFrame *frame)
>>>>            av_log(avctx, AV_LOG_DEBUG, "Input frame: %ux%u
>(%"PRId64").\n",
>>>>                   frame->width, frame->height, frame->pts);
>>>>
>>>> -        err = hw_base_encode_check_frame(avctx, frame);
>>>> +        err = hw_base_encode_check_frame(ctx, frame);
>>>>            if (err < 0)
>>>>                return err;
>>>>
>>>> @@ -488,12 +483,11 @@ fail:
>>>>        return err;
>>>>    }
>>>>
>>>> -int ff_hw_base_encode_set_output_property(AVCodecContext *avctx,
>>>> +int ff_hw_base_encode_set_output_property(FFHWBaseEncodeContext
>>> *ctx,
>>>> +                                          AVCodecContext *avctx,
>>>>                                              FFHWBaseEncodePicture *pic,
>>>>                                              AVPacket *pkt, int flag_no_delay)
>>>>    {
>>>> -    FFHWBaseEncodeContext *ctx = avctx->priv_data;
>>>> -
>>>>        if (pic->type == FF_HW_PICTURE_TYPE_IDR)
>>>>            pkt->flags |= AV_PKT_FLAG_KEY;
>>>>
>>>> @@ -528,9 +522,9 @@ int
>>> ff_hw_base_encode_set_output_property(AVCodecContext *avctx,
>>>>        return 0;
>>>>    }
>>>>
>>>> -int ff_hw_base_encode_receive_packet(AVCodecContext *avctx, AVPacket
>>> *pkt)
>>>> +int ff_hw_base_encode_receive_packet(FFHWBaseEncodeContext *ctx,
>>>> +                                     AVCodecContext *avctx, AVPacket *pkt)
>>>>    {
>>>> -    FFHWBaseEncodeContext *ctx = avctx->priv_data;
>>>>        FFHWBaseEncodePicture *pic = NULL;
>>>>        AVFrame *frame = ctx->frame;
>>>>        int err;
>>>> @@ -558,7 +552,7 @@ start:
>>>>        if (err == AVERROR_EOF)
>>>>            frame = NULL;
>>>>
>>>> -    err = hw_base_encode_send_frame(avctx, frame);
>>>> +    err = hw_base_encode_send_frame(avctx, ctx, frame);
>>>>        if (err < 0)
>>>>            return err;
>>>>
>>>> @@ -571,7 +565,7 @@ start:
>>>>
>>>>        if (ctx->async_encode) {
>>>>            if (av_fifo_can_write(ctx->encode_fifo)) {
>>>> -            err = hw_base_encode_pick_next(avctx, &pic);
>>>> +            err = hw_base_encode_pick_next(avctx, ctx, &pic);
>>>>                if (!err) {
>>>>                    av_assert0(pic);
>>>>                    pic->encode_order = ctx->encode_order +
>>>> @@ -596,7 +590,7 @@ start:
>>>>            av_fifo_read(ctx->encode_fifo, &pic, 1);
>>>>            ctx->encode_order = pic->encode_order + 1;
>>>>        } else {
>>>> -        err = hw_base_encode_pick_next(avctx, &pic);
>>>> +        err = hw_base_encode_pick_next(avctx, ctx, &pic);
>>>>            if (err < 0)
>>>>                return err;
>>>>            av_assert0(pic);
>>>> @@ -619,7 +613,7 @@ start:
>>>>        }
>>>>
>>>>        ctx->output_order = pic->encode_order;
>>>> -    hw_base_encode_clear_old(avctx);
>>>> +    hw_base_encode_clear_old(avctx, ctx);
>>>>
>>>>        /** loop to get an available pkt in encoder flushing. */
>>>>        if (ctx->end_of_stream && !pkt->size)
>>>> @@ -633,11 +627,10 @@ end:
>>>>        return 0;
>>>>    }
>>>>
>>>> -int ff_hw_base_init_gop_structure(AVCodecContext *avctx, uint32_t
>ref_l0,
>>> uint32_t ref_l1,
>>>> +int ff_hw_base_init_gop_structure(FFHWBaseEncodeContext *ctx,
>>> AVCodecContext *avctx,
>>>> +                                  uint32_t ref_l0, uint32_t ref_l1,
>>>>                                      int flags, int prediction_pre_only)
>>>>    {
>>>> -    FFHWBaseEncodeContext *ctx = avctx->priv_data;
>>>> -
>>>>        if (flags & FF_HW_FLAG_INTRA_ONLY || avctx->gop_size <= 1) {
>>>>            av_log(avctx, AV_LOG_VERBOSE, "Using intra frames only.\n");
>>>>            ctx->gop_size = 1;
>>>> @@ -687,9 +680,9 @@ int
>ff_hw_base_init_gop_structure(AVCodecContext
>>> *avctx, uint32_t ref_l0, uint32
>>>>        return 0;
>>>>    }
>>>>
>>>> -int ff_hw_base_get_recon_format(AVCodecContext *avctx, const void
>>> *hwconfig, enum AVPixelFormat *fmt)
>>>> +int ff_hw_base_get_recon_format(FFHWBaseEncodeContext *ctx, const
>>> void *hwconfig,
>>>> +                                enum AVPixelFormat *fmt)
>>>>    {
>>>> -    FFHWBaseEncodeContext *ctx = avctx->priv_data;
>>>>        AVHWFramesConstraints *constraints = NULL;
>>>>        enum AVPixelFormat recon_format;
>>>>        int err, i;
>>>> @@ -722,14 +715,14 @@ int
>>> ff_hw_base_get_recon_format(AVCodecContext *avctx, const void
>*hwconfig,
>>> enu
>>>>            // No idea what to use; copy input format.
>>>>            recon_format = ctx->input_frames->sw_format;
>>>>        }
>>>> -    av_log(avctx, AV_LOG_DEBUG, "Using %s as format of "
>>>> +    av_log(ctx->log_ctx, AV_LOG_DEBUG, "Using %s as format of "
>>>>               "reconstructed frames.\n", av_get_pix_fmt_name(recon_format));
>>>>
>>>>        if (ctx->surface_width  < constraints->min_width  ||
>>>>            ctx->surface_height < constraints->min_height ||
>>>>            ctx->surface_width  > constraints->max_width ||
>>>>            ctx->surface_height > constraints->max_height) {
>>>> -        av_log(avctx, AV_LOG_ERROR, "Hardware does not support encoding
>at
>>> "
>>>> +        av_log(ctx->log_ctx, AV_LOG_ERROR, "Hardware does not support
>>> encoding at "
>>>>                   "size %dx%d (constraints: width %d-%d height %d-%d).\n",
>>>>                   ctx->surface_width, ctx->surface_height,
>>>>                   constraints->min_width,  constraints->max_width,
>>>> @@ -756,9 +749,9 @@ int
>>> ff_hw_base_encode_free(FFHWBaseEncodePicture *pic)
>>>>        return 0;
>>>>    }
>>>>
>>>> -int ff_hw_base_encode_init(AVCodecContext *avctx)
>>>> +int ff_hw_base_encode_init(AVCodecContext *avctx,
>>> FFHWBaseEncodeContext *ctx)
>>>>    {
>>>> -    FFHWBaseEncodeContext *ctx = avctx->priv_data;
>>>> +    ctx->log_ctx = (void *)avctx;
>>>>
>>>>        ctx->frame = av_frame_alloc();
>>>>        if (!ctx->frame)
>>>> @@ -789,10 +782,8 @@ int ff_hw_base_encode_init(AVCodecContext
>>> *avctx)
>>>>        return 0;
>>>>    }
>>>>
>>>> -int ff_hw_base_encode_close(AVCodecContext *avctx)
>>>> +int ff_hw_base_encode_close(FFHWBaseEncodeContext *ctx)
>>>>    {
>>>> -    FFHWBaseEncodeContext *ctx = avctx->priv_data;
>>>> -
>>>>        av_fifo_freep2(&ctx->encode_fifo);
>>>>
>>>>        av_frame_free(&ctx->frame);
>>>> diff --git a/libavcodec/hw_base_encode.h
>b/libavcodec/hw_base_encode.h
>>>> index 15ef3d7ac6..e528f2013b 100644
>>>> --- a/libavcodec/hw_base_encode.h
>>>> +++ b/libavcodec/hw_base_encode.h
>>>> @@ -116,6 +116,7 @@ typedef struct FFHWEncodePictureOperation {
>>>>
>>>>    typedef struct FFHWBaseEncodeContext {
>>>>        const AVClass *class;
>>>> +    void  *log_ctx;
>>>>
>>>>        // Hardware-specific hooks.
>>>>        const struct FFHWEncodePictureOperation *op;
>>>> @@ -214,21 +215,23 @@ typedef struct FFHWBaseEncodeContext {
>>>>        AVPacket        *tail_pkt;
>>>>    } FFHWBaseEncodeContext;
>>>>
>>>> -int ff_hw_base_encode_set_output_property(AVCodecContext *avctx,
>>> FFHWBaseEncodePicture *pic,
>>>> -                                          AVPacket *pkt, int flag_no_delay);
>>>> +int ff_hw_base_encode_set_output_property(FFHWBaseEncodeContext
>>> *ctx, AVCodecContext *avctx,
>>>> +                                          FFHWBaseEncodePicture *pic, AVPacket *pkt, int
>>> flag_no_delay);
>>>>
>>>> -int ff_hw_base_encode_receive_packet(AVCodecContext *avctx, AVPacket
>>> *pkt);
>>>> +int ff_hw_base_encode_receive_packet(FFHWBaseEncodeContext *ctx,
>>> AVCodecContext *avctx, AVPacket *pkt);
>>>>
>>>> -int ff_hw_base_init_gop_structure(AVCodecContext *avctx, uint32_t
>ref_l0,
>>> uint32_t ref_l1,
>>>> +int ff_hw_base_init_gop_structure(FFHWBaseEncodeContext *ctx,
>>> AVCodecContext *avctx,
>>>> +                                  uint32_t ref_l0, uint32_t ref_l1,
>>>>                                      int flags, int prediction_pre_only);
>>>>
>>>> -int ff_hw_base_get_recon_format(AVCodecContext *avctx, const void
>>> *hwconfig, enum AVPixelFormat *fmt);
>>>> +int ff_hw_base_get_recon_format(FFHWBaseEncodeContext *ctx, const
>>> void *hwconfig,
>>>> +                                enum AVPixelFormat *fmt);
>>>>
>>>>    int ff_hw_base_encode_free(FFHWBaseEncodePicture *pic);
>>>>
>>>> -int ff_hw_base_encode_init(AVCodecContext *avctx);
>>>> +int ff_hw_base_encode_init(AVCodecContext *avctx,
>>> FFHWBaseEncodeContext *ctx);
>>>>
>>>> -int ff_hw_base_encode_close(AVCodecContext *avctx);
>>>> +int ff_hw_base_encode_close(FFHWBaseEncodeContext *ctx);
>>>>
>>>>    #define HW_BASE_ENCODE_COMMON_OPTIONS \
>>>>        { "idr_interval", \
>>>> diff --git a/libavcodec/vaapi_encode.c b/libavcodec/vaapi_encode.c
>>>> index b35a23e852..48ca018775 100644
>>>> --- a/libavcodec/vaapi_encode.c
>>>> +++ b/libavcodec/vaapi_encode.c
>>>> @@ -811,7 +811,7 @@ static int vaapi_encode_output(AVCodecContext
>>> *avctx,
>>>>        av_log(avctx, AV_LOG_DEBUG, "Output read for
>>> pic %"PRId64"/%"PRId64".\n",
>>>>               base_pic->display_order, base_pic->encode_order);
>>>>
>>>> -    ff_hw_base_encode_set_output_property(avctx,
>>> (FFHWBaseEncodePicture*)base_pic, pkt_ptr,
>>>> +    ff_hw_base_encode_set_output_property(base_ctx, avctx,
>>> (FFHWBaseEncodePicture*)base_pic, pkt_ptr,
>>>>                                              ctx->codec->flags & FLAG_TIMESTAMP_NO_DELAY);
>>>>
>>>>    end:
>>>> @@ -1658,7 +1658,8 @@ static av_cold int
>>> vaapi_encode_init_gop_structure(AVCodecContext *avctx)
>>>>        }
>>>>    #endif
>>>>
>>>> -    err = ff_hw_base_init_gop_structure(avctx, ref_l0, ref_l1, ctx->codec-
>>>> flags, prediction_pre_only);
>>>> +    err = ff_hw_base_init_gop_structure(base_ctx, avctx, ref_l0, ref_l1,
>>>> +                                        ctx->codec->flags, prediction_pre_only);
>>>>        if (err < 0)
>>>>            return err;
>>>>
>>>> @@ -2059,7 +2060,7 @@ static av_cold int
>>> vaapi_encode_create_recon_frames(AVCodecContext *avctx)
>>>>        }
>>>>        hwconfig->config_id = ctx->va_config;
>>>>
>>>> -    err = ff_hw_base_get_recon_format(avctx, (const void*)hwconfig,
>>> &recon_format);
>>>> +    err = ff_hw_base_get_recon_format(base_ctx, (const void*)hwconfig,
>>> &recon_format);
>>>>        if (err < 0)
>>>>            goto fail;
>>>>
>>>> @@ -2098,6 +2099,11 @@ static const FFHWEncodePictureOperation
>>> vaapi_op = {
>>>>        .free   = &vaapi_encode_free,
>>>>    };
>>>>
>>>> +int ff_vaapi_encode_receive_packet(AVCodecContext *avctx, AVPacket
>*pkt)
>>>> +{
>>>> +    return ff_hw_base_encode_receive_packet(avctx->priv_data, avctx,
>pkt);
>>>> +}
>>>> +
>>>>    av_cold int ff_vaapi_encode_init(AVCodecContext *avctx)
>>>>    {
>>>>        FFHWBaseEncodeContext *base_ctx = avctx->priv_data;
>>>> @@ -2106,7 +2112,7 @@ av_cold int
>ff_vaapi_encode_init(AVCodecContext
>>> *avctx)
>>>>        VAStatus vas;
>>>>        int err;
>>>>
>>>> -    err = ff_hw_base_encode_init(avctx);
>>>> +    err = ff_hw_base_encode_init(avctx, base_ctx);
>>>>        if (err < 0)
>>>>            goto fail;
>>>>
>>>> @@ -2313,7 +2319,7 @@ av_cold int
>>> ff_vaapi_encode_close(AVCodecContext *avctx)
>>>>        av_freep(&ctx->codec_sequence_params);
>>>>        av_freep(&ctx->codec_picture_params);
>>>>
>>>> -    ff_hw_base_encode_close(avctx);
>>>> +    ff_hw_base_encode_close(base_ctx);
>>>>
>>>>        return 0;
>>>>    }
>>>> diff --git a/libavcodec/vaapi_encode.h b/libavcodec/vaapi_encode.h
>>>> index 8650255680..d76cdb8662 100644
>>>> --- a/libavcodec/vaapi_encode.h
>>>> +++ b/libavcodec/vaapi_encode.h
>>>> @@ -343,6 +343,8 @@ typedef struct VAAPIEncodeType {
>>>>                                     char *data, size_t *data_len);
>>>>    } VAAPIEncodeType;
>>>>
>>>> +int ff_vaapi_encode_receive_packet(AVCodecContext *avctx, AVPacket
>>> *pkt);
>>>> +
>>>>    int ff_vaapi_encode_init(AVCodecContext *avctx);
>>>>    int ff_vaapi_encode_close(AVCodecContext *avctx);
>>>>
>>>> diff --git a/libavcodec/vaapi_encode_av1.c
>b/libavcodec/vaapi_encode_av1.c
>>>> index ea4c391e54..26a5707bf5 100644
>>>> --- a/libavcodec/vaapi_encode_av1.c
>>>> +++ b/libavcodec/vaapi_encode_av1.c
>>>> @@ -1041,7 +1041,7 @@ const FFCodec ff_av1_vaapi_encoder = {
>>>>        .p.id           = AV_CODEC_ID_AV1,
>>>>        .priv_data_size = sizeof(VAAPIEncodeAV1Context),
>>>>        .init           = &vaapi_encode_av1_init,
>>>> -
>FF_CODEC_RECEIVE_PACKET_CB(&ff_hw_base_encode_receive_packet),
>>>> +    FF_CODEC_RECEIVE_PACKET_CB(&ff_vaapi_encode_receive_packet),
>>>>        .close          = &vaapi_encode_av1_close,
>>>>        .p.priv_class   = &vaapi_encode_av1_class,
>>>>        .p.capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_HARDWARE
>|
>>>> diff --git a/libavcodec/vaapi_encode_h264.c
>>> b/libavcodec/vaapi_encode_h264.c
>>>> index d20d8298db..d156719728 100644
>>>> --- a/libavcodec/vaapi_encode_h264.c
>>>> +++ b/libavcodec/vaapi_encode_h264.c
>>>> @@ -1385,7 +1385,7 @@ const FFCodec ff_h264_vaapi_encoder = {
>>>>        .p.id           = AV_CODEC_ID_H264,
>>>>        .priv_data_size = sizeof(VAAPIEncodeH264Context),
>>>>        .init           = &vaapi_encode_h264_init,
>>>> -
>FF_CODEC_RECEIVE_PACKET_CB(&ff_hw_base_encode_receive_packet),
>>>> +    FF_CODEC_RECEIVE_PACKET_CB(&ff_vaapi_encode_receive_packet),
>>>>        .close          = &vaapi_encode_h264_close,
>>>>        .p.priv_class   = &vaapi_encode_h264_class,
>>>>        .p.capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_HARDWARE
>|
>>>> diff --git a/libavcodec/vaapi_encode_h265.c
>>> b/libavcodec/vaapi_encode_h265.c
>>>> index e1748e4419..641888dd14 100644
>>>> --- a/libavcodec/vaapi_encode_h265.c
>>>> +++ b/libavcodec/vaapi_encode_h265.c
>>>> @@ -1498,7 +1498,7 @@ const FFCodec ff_hevc_vaapi_encoder = {
>>>>        .p.id           = AV_CODEC_ID_HEVC,
>>>>        .priv_data_size = sizeof(VAAPIEncodeH265Context),
>>>>        .init           = &vaapi_encode_h265_init,
>>>> -
>FF_CODEC_RECEIVE_PACKET_CB(&ff_hw_base_encode_receive_packet),
>>>> +    FF_CODEC_RECEIVE_PACKET_CB(&ff_vaapi_encode_receive_packet),
>>>>        .close          = &vaapi_encode_h265_close,
>>>>        .p.priv_class   = &vaapi_encode_h265_class,
>>>>        .p.capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_HARDWARE
>|
>>>> diff --git a/libavcodec/vaapi_encode_mjpeg.c
>>> b/libavcodec/vaapi_encode_mjpeg.c
>>>> index 5d51a0b2b9..0ca8d676dd 100644
>>>> --- a/libavcodec/vaapi_encode_mjpeg.c
>>>> +++ b/libavcodec/vaapi_encode_mjpeg.c
>>>> @@ -574,7 +574,7 @@ const FFCodec ff_mjpeg_vaapi_encoder = {
>>>>        .p.id           = AV_CODEC_ID_MJPEG,
>>>>        .priv_data_size = sizeof(VAAPIEncodeMJPEGContext),
>>>>        .init           = &vaapi_encode_mjpeg_init,
>>>> -
>FF_CODEC_RECEIVE_PACKET_CB(&ff_hw_base_encode_receive_packet),
>>>> +    FF_CODEC_RECEIVE_PACKET_CB(&ff_vaapi_encode_receive_packet),
>>>>        .close          = &vaapi_encode_mjpeg_close,
>>>>        .p.priv_class   = &vaapi_encode_mjpeg_class,
>>>>        .p.capabilities = AV_CODEC_CAP_HARDWARE | AV_CODEC_CAP_DR1 |
>>>> diff --git a/libavcodec/vaapi_encode_mpeg2.c
>>> b/libavcodec/vaapi_encode_mpeg2.c
>>>> index c20196fb48..be801d21d2 100644
>>>> --- a/libavcodec/vaapi_encode_mpeg2.c
>>>> +++ b/libavcodec/vaapi_encode_mpeg2.c
>>>> @@ -698,7 +698,7 @@ const FFCodec ff_mpeg2_vaapi_encoder = {
>>>>        .p.id           = AV_CODEC_ID_MPEG2VIDEO,
>>>>        .priv_data_size = sizeof(VAAPIEncodeMPEG2Context),
>>>>        .init           = &vaapi_encode_mpeg2_init,
>>>> -
>FF_CODEC_RECEIVE_PACKET_CB(&ff_hw_base_encode_receive_packet),
>>>> +    FF_CODEC_RECEIVE_PACKET_CB(&ff_vaapi_encode_receive_packet),
>>>>        .close          = &vaapi_encode_mpeg2_close,
>>>>        .p.priv_class   = &vaapi_encode_mpeg2_class,
>>>>        .p.capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_HARDWARE
>|
>>>> diff --git a/libavcodec/vaapi_encode_vp8.c
>b/libavcodec/vaapi_encode_vp8.c
>>>> index a95f9c5447..634b849cd2 100644
>>>> --- a/libavcodec/vaapi_encode_vp8.c
>>>> +++ b/libavcodec/vaapi_encode_vp8.c
>>>> @@ -252,7 +252,7 @@ const FFCodec ff_vp8_vaapi_encoder = {
>>>>        .p.id           = AV_CODEC_ID_VP8,
>>>>        .priv_data_size = sizeof(VAAPIEncodeVP8Context),
>>>>        .init           = &vaapi_encode_vp8_init,
>>>> -
>FF_CODEC_RECEIVE_PACKET_CB(&ff_hw_base_encode_receive_packet),
>>>> +    FF_CODEC_RECEIVE_PACKET_CB(&ff_vaapi_encode_receive_packet),
>>>>        .close          = &ff_vaapi_encode_close,
>>>>        .p.priv_class   = &vaapi_encode_vp8_class,
>>>>        .p.capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_HARDWARE
>|
>>>> diff --git a/libavcodec/vaapi_encode_vp9.c
>b/libavcodec/vaapi_encode_vp9.c
>>>> index 96acd414af..eac9be82b0 100644
>>>> --- a/libavcodec/vaapi_encode_vp9.c
>>>> +++ b/libavcodec/vaapi_encode_vp9.c
>>>> @@ -309,7 +309,7 @@ const FFCodec ff_vp9_vaapi_encoder = {
>>>>        .p.id           = AV_CODEC_ID_VP9,
>>>>        .priv_data_size = sizeof(VAAPIEncodeVP9Context),
>>>>        .init           = &vaapi_encode_vp9_init,
>>>> -
>FF_CODEC_RECEIVE_PACKET_CB(&ff_hw_base_encode_receive_packet),
>>>> +    FF_CODEC_RECEIVE_PACKET_CB(&ff_vaapi_encode_receive_packet),
>>>>        .close          = &ff_vaapi_encode_close,
>>>>        .p.priv_class   = &vaapi_encode_vp9_class,
>>>>        .p.capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_HARDWARE
>|
>>>
>>> Thanks, I'll implement Vulkan hardware encoding on top and report back
>>> with what else may be needed, if anything.
>>
>> Since the following d3d12 codecs and features are blocked by this patch set,
>would you mind we merging this patch set first? It does not cause any
>regression for vaapi. It's been quite a while since the first version and it has
>already went through multiple rounds of vaapi maintainers' review(Mark and
>Haihao). If there's anything needed in hw_base_encode we could send
>separate patches to fine tune. I'm glad to help and review. Thanks.
>>
>> -Tong
>
>Shouldn't take me more than a day or two. If it does, I'll just do a
>quick review and merge it if it looks good.

Sounds good. Thank you.


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