mirror of https://git.ffmpeg.org/ffmpeg.git
hwcontext_qsv: Implement mapping frames from the child device type
Factorises out existing surface initialisation code to reuse.
This commit is contained in:
Mark Thompson
parent
27978155bc
commit
eaa5e07104
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@ -94,6 +94,16 @@ static const struct {
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{ AV_PIX_FMT_PAL8, MFX_FOURCC_P8 },
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};
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static uint32_t qsv_fourcc_from_pix_fmt(enum AVPixelFormat pix_fmt)
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{
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int i;
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for (i = 0; i < FF_ARRAY_ELEMS(supported_pixel_formats); i++) {
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if (supported_pixel_formats[i].pix_fmt == pix_fmt)
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return supported_pixel_formats[i].fourcc;
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}
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return 0;
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}
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static int qsv_device_init(AVHWDeviceContext *ctx)
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{
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AVQSVDeviceContext *hwctx = ctx->hwctx;
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@ -272,18 +282,48 @@ fail:
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return ret;
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}
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static int qsv_init_surface(AVHWFramesContext *ctx, mfxFrameSurface1 *surf)
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{
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const AVPixFmtDescriptor *desc;
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uint32_t fourcc;
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desc = av_pix_fmt_desc_get(ctx->sw_format);
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if (!desc)
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return AVERROR(EINVAL);
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fourcc = qsv_fourcc_from_pix_fmt(ctx->sw_format);
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if (!fourcc)
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return AVERROR(EINVAL);
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surf->Info.BitDepthLuma = desc->comp[0].depth;
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surf->Info.BitDepthChroma = desc->comp[0].depth;
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surf->Info.Shift = desc->comp[0].depth > 8;
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if (desc->log2_chroma_w && desc->log2_chroma_h)
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surf->Info.ChromaFormat = MFX_CHROMAFORMAT_YUV420;
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else if (desc->log2_chroma_w)
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surf->Info.ChromaFormat = MFX_CHROMAFORMAT_YUV422;
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else
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surf->Info.ChromaFormat = MFX_CHROMAFORMAT_YUV444;
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surf->Info.FourCC = fourcc;
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surf->Info.Width = ctx->width;
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surf->Info.CropW = ctx->width;
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surf->Info.Height = ctx->height;
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surf->Info.CropH = ctx->height;
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surf->Info.FrameRateExtN = 25;
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surf->Info.FrameRateExtD = 1;
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return 0;
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}
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static int qsv_init_pool(AVHWFramesContext *ctx, uint32_t fourcc)
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{
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QSVFramesContext *s = ctx->internal->priv;
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AVQSVFramesContext *frames_hwctx = ctx->hwctx;
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const AVPixFmtDescriptor *desc;
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int i, ret = 0;
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desc = av_pix_fmt_desc_get(ctx->sw_format);
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if (!desc)
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return AVERROR_BUG;
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if (ctx->initial_pool_size <= 0) {
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av_log(ctx, AV_LOG_ERROR, "QSV requires a fixed frame pool size\n");
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return AVERROR(EINVAL);
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@ -295,26 +335,9 @@ static int qsv_init_pool(AVHWFramesContext *ctx, uint32_t fourcc)
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return AVERROR(ENOMEM);
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for (i = 0; i < ctx->initial_pool_size; i++) {
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mfxFrameSurface1 *surf = &s->surfaces_internal[i];
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surf->Info.BitDepthLuma = desc->comp[0].depth;
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surf->Info.BitDepthChroma = desc->comp[0].depth;
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surf->Info.Shift = desc->comp[0].depth > 8;
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if (desc->log2_chroma_w && desc->log2_chroma_h)
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surf->Info.ChromaFormat = MFX_CHROMAFORMAT_YUV420;
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else if (desc->log2_chroma_w)
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surf->Info.ChromaFormat = MFX_CHROMAFORMAT_YUV422;
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else
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surf->Info.ChromaFormat = MFX_CHROMAFORMAT_YUV444;
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surf->Info.FourCC = fourcc;
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surf->Info.Width = ctx->width;
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surf->Info.CropW = ctx->width;
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surf->Info.Height = ctx->height;
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surf->Info.CropH = ctx->height;
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surf->Info.FrameRateExtN = 25;
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surf->Info.FrameRateExtD = 1;
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ret = qsv_init_surface(ctx, &s->surfaces_internal[i]);
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if (ret < 0)
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return ret;
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}
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if (!(frames_hwctx->frame_type & MFX_MEMTYPE_OPAQUE_FRAME)) {
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@ -466,15 +489,10 @@ static int qsv_frames_init(AVHWFramesContext *ctx)
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int opaque = !!(frames_hwctx->frame_type & MFX_MEMTYPE_OPAQUE_FRAME);
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uint32_t fourcc = 0;
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uint32_t fourcc;
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int i, ret;
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for (i = 0; i < FF_ARRAY_ELEMS(supported_pixel_formats); i++) {
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if (supported_pixel_formats[i].pix_fmt == ctx->sw_format) {
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fourcc = supported_pixel_formats[i].fourcc;
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break;
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}
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}
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fourcc = qsv_fourcc_from_pix_fmt(ctx->sw_format);
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if (!fourcc) {
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av_log(ctx, AV_LOG_ERROR, "Unsupported pixel format\n");
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return AVERROR(ENOSYS);
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@ -723,6 +741,96 @@ static int qsv_transfer_data_to(AVHWFramesContext *ctx, AVFrame *dst,
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return 0;
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}
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static int qsv_frames_derive_to(AVHWFramesContext *dst_ctx,
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AVHWFramesContext *src_ctx, int flags)
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{
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QSVFramesContext *s = dst_ctx->internal->priv;
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AVQSVFramesContext *dst_hwctx = dst_ctx->hwctx;
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int i;
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switch (src_ctx->device_ctx->type) {
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#if CONFIG_VAAPI
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case AV_HWDEVICE_TYPE_VAAPI:
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{
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AVVAAPIFramesContext *src_hwctx = src_ctx->hwctx;
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s->surfaces_internal = av_mallocz_array(src_hwctx->nb_surfaces,
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sizeof(*s->surfaces_internal));
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if (!s->surfaces_internal)
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return AVERROR(ENOMEM);
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for (i = 0; i < src_hwctx->nb_surfaces; i++) {
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qsv_init_surface(dst_ctx, &s->surfaces_internal[i]);
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s->surfaces_internal[i].Data.MemId = src_hwctx->surface_ids + i;
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}
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dst_hwctx->nb_surfaces = src_hwctx->nb_surfaces;
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dst_hwctx->frame_type = MFX_MEMTYPE_VIDEO_MEMORY_DECODER_TARGET;
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}
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break;
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#endif
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#if CONFIG_DXVA2
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case AV_HWDEVICE_TYPE_DXVA2:
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{
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AVDXVA2FramesContext *src_hwctx = src_ctx->hwctx;
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s->surfaces_internal = av_mallocz_array(src_hwctx->nb_surfaces,
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sizeof(*s->surfaces_internal));
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if (!s->surfaces_internal)
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return AVERROR(ENOMEM);
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for (i = 0; i < src_hwctx->nb_surfaces; i++) {
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qsv_init_surface(dst_ctx, &s->surfaces_internal[i]);
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s->surfaces_internal[i].Data.MemId = (mfxMemId)src_hwctx->surfaces[i];
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}
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dst_hwctx->nb_surfaces = src_hwctx->nb_surfaces;
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if (src_hwctx->surface_type == DXVA2_VideoProcessorRenderTarget)
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dst_hwctx->frame_type = MFX_MEMTYPE_VIDEO_MEMORY_PROCESSOR_TARGET;
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else
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dst_hwctx->frame_type = MFX_MEMTYPE_VIDEO_MEMORY_DECODER_TARGET;
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}
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break;
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#endif
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default:
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return AVERROR(ENOSYS);
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}
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dst_hwctx->surfaces = s->surfaces_internal;
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return 0;
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}
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static int qsv_map_to(AVHWFramesContext *dst_ctx,
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AVFrame *dst, const AVFrame *src, int flags)
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{
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AVQSVFramesContext *hwctx = dst_ctx->hwctx;
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int i, err;
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for (i = 0; i < hwctx->nb_surfaces; i++) {
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#if CONFIG_VAAPI
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if (*(VASurfaceID*)hwctx->surfaces[i].Data.MemId ==
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(VASurfaceID)(uintptr_t)src->data[3])
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break;
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#endif
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#if CONFIG_DXVA2
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if ((IDirect3DSurface9*)hwctx->surfaces[i].Data.MemId ==
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(IDirect3DSurface9*)(uintptr_t)src->data[3])
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break;
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#endif
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}
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if (i >= hwctx->nb_surfaces) {
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av_log(dst_ctx, AV_LOG_ERROR, "Trying to map from a surface which "
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"is not in the mapped frames context.\n");
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return AVERROR(EINVAL);
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}
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err = ff_hwframe_map_create(dst->hw_frames_ctx,
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dst, src, NULL, NULL);
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if (err)
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return err;
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dst->width = src->width;
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dst->height = src->height;
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dst->data[3] = (uint8_t*)&hwctx->surfaces[i];
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return 0;
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}
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static int qsv_frames_get_constraints(AVHWDeviceContext *ctx,
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const void *hwconfig,
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AVHWFramesConstraints *constraints)
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@ -931,7 +1039,9 @@ const HWContextType ff_hwcontext_type_qsv = {
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.transfer_get_formats = qsv_transfer_get_formats,
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.transfer_data_to = qsv_transfer_data_to,
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.transfer_data_from = qsv_transfer_data_from,
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.map_to = qsv_map_to,
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.map_from = qsv_map_from,
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.frames_derive_to = qsv_frames_derive_to,
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.pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_QSV, AV_PIX_FMT_NONE },
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};
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