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https://github.com/mpv-player/mpv
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vaapi: set our own context in AVHWFramesContext not AVHWDeviceContext
AVHWDeviceContext.user_opaque is reserved to libavutil under certain circumstances, while AVHWFramesContext.user_opaque is truly free for use by us. It's slightly simpler too.
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@ -80,6 +80,9 @@ static int init_decoder(struct lavc_ctx *ctx, int w, int h)
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fctx->initial_pool_size = hwdec_get_max_refs(ctx) + ADDITIONAL_SURFACES;
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// Some mpv downstream code uses this.
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fctx->user_opaque = p->ctx;
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va_lock(p->ctx);
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int res = av_hwframe_ctx_init(p->frames_ref);
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va_unlock(p->ctx);
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@ -151,9 +154,6 @@ static int init(struct lavc_ctx *ctx, bool direct)
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vactx->display = p->ctx->display;
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// Some mpv downstream code uses this.
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hwctx->user_opaque = p->ctx;
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if (av_hwdevice_ctx_init(p->device_ref) < 0)
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return -1;
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@ -521,15 +521,15 @@ struct mp_image *va_surface_download(struct mp_image *src,
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if (!src->hwctx)
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return NULL;
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AVHWFramesContext *fctx = (void *)src->hwctx->data;
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AVHWDeviceContext *dctx = fctx->device_ctx;
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AVVAAPIDeviceContext *vactx = dctx->hwctx;
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// as set by video/decode/vaapi.c
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struct mp_vaapi_ctx *ctx = fctx->user_opaque;
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tmp_p = (struct va_surface){
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.ctx = dctx->user_opaque, // as set by video/decode/vaapi.c
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.ctx = ctx,
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.id = va_surface_id(src),
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.rt_format = VA_RT_FORMAT_YUV420,
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.w = fctx->width,
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.h = fctx->height,
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.display = vactx->display,
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.display = ctx->display,
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.image = { .image_id = VA_INVALID_ID, .buf = VA_INVALID_ID },
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};
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p = &tmp_p;
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