| /* |
| * This file is part of FFmpeg. |
| * |
| * FFmpeg is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * FFmpeg is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with FFmpeg; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| /** |
| * @file |
| * scale video filter - QSV |
| */ |
| |
| #include <mfx/mfxvideo.h> |
| |
| #include <stdio.h> |
| #include <string.h> |
| |
| #include "libavutil/avstring.h" |
| #include "libavutil/common.h" |
| #include "libavutil/eval.h" |
| #include "libavutil/hwcontext.h" |
| #include "libavutil/hwcontext_qsv.h" |
| #include "libavutil/internal.h" |
| #include "libavutil/mathematics.h" |
| #include "libavutil/opt.h" |
| #include "libavutil/pixdesc.h" |
| #include "libavutil/time.h" |
| #include "libavfilter/qsvvpp.h" |
| |
| #include "avfilter.h" |
| #include "formats.h" |
| #include "internal.h" |
| #include "video.h" |
| |
| static const char *const var_names[] = { |
| "PI", |
| "PHI", |
| "E", |
| "in_w", "iw", |
| "in_h", "ih", |
| "out_w", "ow", |
| "out_h", "oh", |
| "a", "dar", |
| "sar", |
| NULL |
| }; |
| |
| enum var_name { |
| VAR_PI, |
| VAR_PHI, |
| VAR_E, |
| VAR_IN_W, VAR_IW, |
| VAR_IN_H, VAR_IH, |
| VAR_OUT_W, VAR_OW, |
| VAR_OUT_H, VAR_OH, |
| VAR_A, VAR_DAR, |
| VAR_SAR, |
| VARS_NB |
| }; |
| |
| #define QSV_HAVE_SCALING_CONFIG QSV_VERSION_ATLEAST(1, 19) |
| |
| typedef struct QSVScaleContext { |
| const AVClass *class; |
| |
| /* a clone of the main session, used internally for scaling */ |
| mfxSession session; |
| |
| mfxMemId *mem_ids_in; |
| int nb_mem_ids_in; |
| |
| mfxMemId *mem_ids_out; |
| int nb_mem_ids_out; |
| |
| mfxFrameSurface1 **surface_ptrs_in; |
| int nb_surface_ptrs_in; |
| |
| mfxFrameSurface1 **surface_ptrs_out; |
| int nb_surface_ptrs_out; |
| |
| mfxExtOpaqueSurfaceAlloc opaque_alloc; |
| |
| #if QSV_HAVE_SCALING_CONFIG |
| mfxExtVPPScaling scale_conf; |
| #endif |
| int mode; |
| |
| mfxExtBuffer *ext_buffers[1 + QSV_HAVE_SCALING_CONFIG]; |
| int num_ext_buf; |
| |
| int shift_width, shift_height; |
| |
| /** |
| * New dimensions. Special values are: |
| * 0 = original width/height |
| * -1 = keep original aspect |
| */ |
| int w, h; |
| |
| /** |
| * Output sw format. AV_PIX_FMT_NONE for no conversion. |
| */ |
| enum AVPixelFormat format; |
| |
| char *w_expr; ///< width expression string |
| char *h_expr; ///< height expression string |
| char *format_str; |
| } QSVScaleContext; |
| |
| static av_cold int qsvscale_init(AVFilterContext *ctx) |
| { |
| QSVScaleContext *s = ctx->priv; |
| |
| if (!strcmp(s->format_str, "same")) { |
| s->format = AV_PIX_FMT_NONE; |
| } else { |
| s->format = av_get_pix_fmt(s->format_str); |
| if (s->format == AV_PIX_FMT_NONE) { |
| av_log(ctx, AV_LOG_ERROR, "Unrecognized pixel format: %s\n", s->format_str); |
| return AVERROR(EINVAL); |
| } |
| } |
| |
| return 0; |
| } |
| |
| static av_cold void qsvscale_uninit(AVFilterContext *ctx) |
| { |
| QSVScaleContext *s = ctx->priv; |
| |
| if (s->session) { |
| MFXClose(s->session); |
| s->session = NULL; |
| } |
| |
| av_freep(&s->mem_ids_in); |
| av_freep(&s->mem_ids_out); |
| s->nb_mem_ids_in = 0; |
| s->nb_mem_ids_out = 0; |
| |
| av_freep(&s->surface_ptrs_in); |
| av_freep(&s->surface_ptrs_out); |
| s->nb_surface_ptrs_in = 0; |
| s->nb_surface_ptrs_out = 0; |
| } |
| |
| static int qsvscale_query_formats(AVFilterContext *ctx) |
| { |
| static const enum AVPixelFormat pixel_formats[] = { |
| AV_PIX_FMT_QSV, AV_PIX_FMT_NONE, |
| }; |
| AVFilterFormats *pix_fmts = ff_make_format_list(pixel_formats); |
| int ret; |
| |
| if ((ret = ff_set_common_formats(ctx, pix_fmts)) < 0) |
| return ret; |
| |
| return 0; |
| } |
| |
| static int init_out_pool(AVFilterContext *ctx, |
| int out_width, int out_height) |
| { |
| QSVScaleContext *s = ctx->priv; |
| AVFilterLink *outlink = ctx->outputs[0]; |
| |
| AVHWFramesContext *in_frames_ctx; |
| AVHWFramesContext *out_frames_ctx; |
| AVQSVFramesContext *in_frames_hwctx; |
| AVQSVFramesContext *out_frames_hwctx; |
| enum AVPixelFormat in_format; |
| enum AVPixelFormat out_format; |
| int i, ret; |
| |
| /* check that we have a hw context */ |
| if (!ctx->inputs[0]->hw_frames_ctx) { |
| av_log(ctx, AV_LOG_ERROR, "No hw context provided on input\n"); |
| return AVERROR(EINVAL); |
| } |
| in_frames_ctx = (AVHWFramesContext*)ctx->inputs[0]->hw_frames_ctx->data; |
| in_frames_hwctx = in_frames_ctx->hwctx; |
| |
| in_format = in_frames_ctx->sw_format; |
| out_format = (s->format == AV_PIX_FMT_NONE) ? in_format : s->format; |
| |
| outlink->hw_frames_ctx = av_hwframe_ctx_alloc(in_frames_ctx->device_ref); |
| if (!outlink->hw_frames_ctx) |
| return AVERROR(ENOMEM); |
| out_frames_ctx = (AVHWFramesContext*)outlink->hw_frames_ctx->data; |
| out_frames_hwctx = out_frames_ctx->hwctx; |
| |
| out_frames_ctx->format = AV_PIX_FMT_QSV; |
| out_frames_ctx->width = FFALIGN(out_width, 16); |
| out_frames_ctx->height = FFALIGN(out_height, 16); |
| out_frames_ctx->sw_format = out_format; |
| out_frames_ctx->initial_pool_size = 4; |
| |
| out_frames_hwctx->frame_type = in_frames_hwctx->frame_type; |
| |
| ret = ff_filter_init_hw_frames(ctx, outlink, 32); |
| if (ret < 0) |
| return ret; |
| |
| ret = av_hwframe_ctx_init(outlink->hw_frames_ctx); |
| if (ret < 0) |
| return ret; |
| |
| for (i = 0; i < out_frames_hwctx->nb_surfaces; i++) { |
| mfxFrameInfo *info = &out_frames_hwctx->surfaces[i].Info; |
| info->CropW = out_width; |
| info->CropH = out_height; |
| } |
| |
| return 0; |
| } |
| |
| static mfxStatus frame_alloc(mfxHDL pthis, mfxFrameAllocRequest *req, |
| mfxFrameAllocResponse *resp) |
| { |
| AVFilterContext *ctx = pthis; |
| QSVScaleContext *s = ctx->priv; |
| |
| if (!(req->Type & MFX_MEMTYPE_VIDEO_MEMORY_PROCESSOR_TARGET) || |
| !(req->Type & (MFX_MEMTYPE_FROM_VPPIN | MFX_MEMTYPE_FROM_VPPOUT)) || |
| !(req->Type & MFX_MEMTYPE_EXTERNAL_FRAME)) |
| return MFX_ERR_UNSUPPORTED; |
| |
| if (req->Type & MFX_MEMTYPE_FROM_VPPIN) { |
| resp->mids = s->mem_ids_in; |
| resp->NumFrameActual = s->nb_mem_ids_in; |
| } else { |
| resp->mids = s->mem_ids_out; |
| resp->NumFrameActual = s->nb_mem_ids_out; |
| } |
| |
| return MFX_ERR_NONE; |
| } |
| |
| static mfxStatus frame_free(mfxHDL pthis, mfxFrameAllocResponse *resp) |
| { |
| return MFX_ERR_NONE; |
| } |
| |
| static mfxStatus frame_lock(mfxHDL pthis, mfxMemId mid, mfxFrameData *ptr) |
| { |
| return MFX_ERR_UNSUPPORTED; |
| } |
| |
| static mfxStatus frame_unlock(mfxHDL pthis, mfxMemId mid, mfxFrameData *ptr) |
| { |
| return MFX_ERR_UNSUPPORTED; |
| } |
| |
| static mfxStatus frame_get_hdl(mfxHDL pthis, mfxMemId mid, mfxHDL *hdl) |
| { |
| *hdl = mid; |
| return MFX_ERR_NONE; |
| } |
| |
| static const mfxHandleType handle_types[] = { |
| MFX_HANDLE_VA_DISPLAY, |
| MFX_HANDLE_D3D9_DEVICE_MANAGER, |
| MFX_HANDLE_D3D11_DEVICE, |
| }; |
| |
| static int init_out_session(AVFilterContext *ctx) |
| { |
| |
| QSVScaleContext *s = ctx->priv; |
| AVHWFramesContext *in_frames_ctx = (AVHWFramesContext*)ctx->inputs[0]->hw_frames_ctx->data; |
| AVHWFramesContext *out_frames_ctx = (AVHWFramesContext*)ctx->outputs[0]->hw_frames_ctx->data; |
| AVQSVFramesContext *in_frames_hwctx = in_frames_ctx->hwctx; |
| AVQSVFramesContext *out_frames_hwctx = out_frames_ctx->hwctx; |
| AVQSVDeviceContext *device_hwctx = in_frames_ctx->device_ctx->hwctx; |
| |
| int opaque = !!(in_frames_hwctx->frame_type & MFX_MEMTYPE_OPAQUE_FRAME); |
| |
| mfxHDL handle = NULL; |
| mfxHandleType handle_type; |
| mfxVersion ver; |
| mfxIMPL impl; |
| mfxVideoParam par; |
| mfxStatus err; |
| int i; |
| |
| s->num_ext_buf = 0; |
| |
| /* extract the properties of the "master" session given to us */ |
| err = MFXQueryIMPL(device_hwctx->session, &impl); |
| if (err == MFX_ERR_NONE) |
| err = MFXQueryVersion(device_hwctx->session, &ver); |
| if (err != MFX_ERR_NONE) { |
| av_log(ctx, AV_LOG_ERROR, "Error querying the session attributes\n"); |
| return AVERROR_UNKNOWN; |
| } |
| |
| for (i = 0; i < FF_ARRAY_ELEMS(handle_types); i++) { |
| err = MFXVideoCORE_GetHandle(device_hwctx->session, handle_types[i], &handle); |
| if (err == MFX_ERR_NONE) { |
| handle_type = handle_types[i]; |
| break; |
| } |
| } |
| |
| if (err < 0) |
| return ff_qsvvpp_print_error(ctx, err, "Error getting the session handle"); |
| else if (err > 0) { |
| ff_qsvvpp_print_warning(ctx, err, "Warning in getting the session handle"); |
| return AVERROR_UNKNOWN; |
| } |
| |
| /* create a "slave" session with those same properties, to be used for |
| * actual scaling */ |
| err = MFXInit(impl, &ver, &s->session); |
| if (err != MFX_ERR_NONE) { |
| av_log(ctx, AV_LOG_ERROR, "Error initializing a session for scaling\n"); |
| return AVERROR_UNKNOWN; |
| } |
| |
| if (handle) { |
| err = MFXVideoCORE_SetHandle(s->session, handle_type, handle); |
| if (err != MFX_ERR_NONE) |
| return AVERROR_UNKNOWN; |
| } |
| |
| if (QSV_RUNTIME_VERSION_ATLEAST(ver, 1, 25)) { |
| err = MFXJoinSession(device_hwctx->session, s->session); |
| if (err != MFX_ERR_NONE) |
| return AVERROR_UNKNOWN; |
| } |
| |
| memset(&par, 0, sizeof(par)); |
| |
| if (opaque) { |
| s->surface_ptrs_in = av_mallocz_array(in_frames_hwctx->nb_surfaces, |
| sizeof(*s->surface_ptrs_in)); |
| if (!s->surface_ptrs_in) |
| return AVERROR(ENOMEM); |
| for (i = 0; i < in_frames_hwctx->nb_surfaces; i++) |
| s->surface_ptrs_in[i] = in_frames_hwctx->surfaces + i; |
| s->nb_surface_ptrs_in = in_frames_hwctx->nb_surfaces; |
| |
| s->surface_ptrs_out = av_mallocz_array(out_frames_hwctx->nb_surfaces, |
| sizeof(*s->surface_ptrs_out)); |
| if (!s->surface_ptrs_out) |
| return AVERROR(ENOMEM); |
| for (i = 0; i < out_frames_hwctx->nb_surfaces; i++) |
| s->surface_ptrs_out[i] = out_frames_hwctx->surfaces + i; |
| s->nb_surface_ptrs_out = out_frames_hwctx->nb_surfaces; |
| |
| s->opaque_alloc.In.Surfaces = s->surface_ptrs_in; |
| s->opaque_alloc.In.NumSurface = s->nb_surface_ptrs_in; |
| s->opaque_alloc.In.Type = in_frames_hwctx->frame_type; |
| |
| s->opaque_alloc.Out.Surfaces = s->surface_ptrs_out; |
| s->opaque_alloc.Out.NumSurface = s->nb_surface_ptrs_out; |
| s->opaque_alloc.Out.Type = out_frames_hwctx->frame_type; |
| |
| s->opaque_alloc.Header.BufferId = MFX_EXTBUFF_OPAQUE_SURFACE_ALLOCATION; |
| s->opaque_alloc.Header.BufferSz = sizeof(s->opaque_alloc); |
| |
| s->ext_buffers[s->num_ext_buf++] = (mfxExtBuffer*)&s->opaque_alloc; |
| |
| par.IOPattern = MFX_IOPATTERN_IN_OPAQUE_MEMORY | MFX_IOPATTERN_OUT_OPAQUE_MEMORY; |
| } else { |
| mfxFrameAllocator frame_allocator = { |
| .pthis = ctx, |
| .Alloc = frame_alloc, |
| .Lock = frame_lock, |
| .Unlock = frame_unlock, |
| .GetHDL = frame_get_hdl, |
| .Free = frame_free, |
| }; |
| |
| s->mem_ids_in = av_mallocz_array(in_frames_hwctx->nb_surfaces, |
| sizeof(*s->mem_ids_in)); |
| if (!s->mem_ids_in) |
| return AVERROR(ENOMEM); |
| for (i = 0; i < in_frames_hwctx->nb_surfaces; i++) |
| s->mem_ids_in[i] = in_frames_hwctx->surfaces[i].Data.MemId; |
| s->nb_mem_ids_in = in_frames_hwctx->nb_surfaces; |
| |
| s->mem_ids_out = av_mallocz_array(out_frames_hwctx->nb_surfaces, |
| sizeof(*s->mem_ids_out)); |
| if (!s->mem_ids_out) |
| return AVERROR(ENOMEM); |
| for (i = 0; i < out_frames_hwctx->nb_surfaces; i++) |
| s->mem_ids_out[i] = out_frames_hwctx->surfaces[i].Data.MemId; |
| s->nb_mem_ids_out = out_frames_hwctx->nb_surfaces; |
| |
| err = MFXVideoCORE_SetFrameAllocator(s->session, &frame_allocator); |
| if (err != MFX_ERR_NONE) |
| return AVERROR_UNKNOWN; |
| |
| par.IOPattern = MFX_IOPATTERN_IN_VIDEO_MEMORY | MFX_IOPATTERN_OUT_VIDEO_MEMORY; |
| } |
| |
| #if QSV_HAVE_SCALING_CONFIG |
| memset(&s->scale_conf, 0, sizeof(mfxExtVPPScaling)); |
| s->scale_conf.Header.BufferId = MFX_EXTBUFF_VPP_SCALING; |
| s->scale_conf.Header.BufferSz = sizeof(mfxExtVPPScaling); |
| s->scale_conf.ScalingMode = s->mode; |
| s->ext_buffers[s->num_ext_buf++] = (mfxExtBuffer*)&s->scale_conf; |
| av_log(ctx, AV_LOG_VERBOSE, "Scaling mode: %d\n", s->mode); |
| #endif |
| |
| par.ExtParam = s->ext_buffers; |
| par.NumExtParam = s->num_ext_buf; |
| |
| par.AsyncDepth = 1; // TODO async |
| |
| par.vpp.In = in_frames_hwctx->surfaces[0].Info; |
| par.vpp.Out = out_frames_hwctx->surfaces[0].Info; |
| |
| /* Apparently VPP requires the frame rate to be set to some value, otherwise |
| * init will fail (probably for the framerate conversion filter). Since we |
| * are only doing scaling here, we just invent an arbitrary |
| * value */ |
| par.vpp.In.FrameRateExtN = 25; |
| par.vpp.In.FrameRateExtD = 1; |
| par.vpp.Out.FrameRateExtN = 25; |
| par.vpp.Out.FrameRateExtD = 1; |
| |
| /* Print input memory mode */ |
| ff_qsvvpp_print_iopattern(ctx, par.IOPattern & 0x0F, "VPP"); |
| /* Print output memory mode */ |
| ff_qsvvpp_print_iopattern(ctx, par.IOPattern & 0xF0, "VPP"); |
| err = MFXVideoVPP_Init(s->session, &par); |
| if (err < 0) |
| return ff_qsvvpp_print_error(ctx, err, |
| "Error opening the VPP for scaling"); |
| else if (err > 0) { |
| ff_qsvvpp_print_warning(ctx, err, |
| "Warning in VPP initialization"); |
| return AVERROR_UNKNOWN; |
| } |
| |
| return 0; |
| } |
| |
| static int init_scale_session(AVFilterContext *ctx, int in_width, int in_height, |
| int out_width, int out_height) |
| { |
| int ret; |
| |
| qsvscale_uninit(ctx); |
| |
| ret = init_out_pool(ctx, out_width, out_height); |
| if (ret < 0) |
| return ret; |
| |
| ret = init_out_session(ctx); |
| if (ret < 0) |
| return ret; |
| |
| return 0; |
| } |
| |
| static int qsvscale_config_props(AVFilterLink *outlink) |
| { |
| AVFilterContext *ctx = outlink->src; |
| AVFilterLink *inlink = outlink->src->inputs[0]; |
| QSVScaleContext *s = ctx->priv; |
| int64_t w, h; |
| double var_values[VARS_NB], res; |
| char *expr; |
| int ret; |
| |
| var_values[VAR_PI] = M_PI; |
| var_values[VAR_PHI] = M_PHI; |
| var_values[VAR_E] = M_E; |
| var_values[VAR_IN_W] = var_values[VAR_IW] = inlink->w; |
| var_values[VAR_IN_H] = var_values[VAR_IH] = inlink->h; |
| var_values[VAR_OUT_W] = var_values[VAR_OW] = NAN; |
| var_values[VAR_OUT_H] = var_values[VAR_OH] = NAN; |
| var_values[VAR_A] = (double) inlink->w / inlink->h; |
| var_values[VAR_SAR] = inlink->sample_aspect_ratio.num ? |
| (double) inlink->sample_aspect_ratio.num / inlink->sample_aspect_ratio.den : 1; |
| var_values[VAR_DAR] = var_values[VAR_A] * var_values[VAR_SAR]; |
| |
| /* evaluate width and height */ |
| av_expr_parse_and_eval(&res, (expr = s->w_expr), |
| var_names, var_values, |
| NULL, NULL, NULL, NULL, NULL, 0, ctx); |
| s->w = var_values[VAR_OUT_W] = var_values[VAR_OW] = res; |
| if ((ret = av_expr_parse_and_eval(&res, (expr = s->h_expr), |
| var_names, var_values, |
| NULL, NULL, NULL, NULL, NULL, 0, ctx)) < 0) |
| goto fail; |
| s->h = var_values[VAR_OUT_H] = var_values[VAR_OH] = res; |
| /* evaluate again the width, as it may depend on the output height */ |
| if ((ret = av_expr_parse_and_eval(&res, (expr = s->w_expr), |
| var_names, var_values, |
| NULL, NULL, NULL, NULL, NULL, 0, ctx)) < 0) |
| goto fail; |
| s->w = res; |
| |
| w = s->w; |
| h = s->h; |
| |
| /* sanity check params */ |
| if (w < -1 || h < -1) { |
| av_log(ctx, AV_LOG_ERROR, "Size values less than -1 are not acceptable.\n"); |
| return AVERROR(EINVAL); |
| } |
| if (w == -1 && h == -1) |
| s->w = s->h = 0; |
| |
| if (!(w = s->w)) |
| w = inlink->w; |
| if (!(h = s->h)) |
| h = inlink->h; |
| if (w == -1) |
| w = av_rescale(h, inlink->w, inlink->h); |
| if (h == -1) |
| h = av_rescale(w, inlink->h, inlink->w); |
| |
| if (w > INT_MAX || h > INT_MAX || |
| (h * inlink->w) > INT_MAX || |
| (w * inlink->h) > INT_MAX) |
| av_log(ctx, AV_LOG_ERROR, "Rescaled value for width or height is too big.\n"); |
| |
| outlink->w = w; |
| outlink->h = h; |
| |
| ret = init_scale_session(ctx, inlink->w, inlink->h, w, h); |
| if (ret < 0) |
| return ret; |
| |
| av_log(ctx, AV_LOG_VERBOSE, "w:%d h:%d -> w:%d h:%d\n", |
| inlink->w, inlink->h, outlink->w, outlink->h); |
| |
| if (inlink->sample_aspect_ratio.num) |
| outlink->sample_aspect_ratio = av_mul_q((AVRational){outlink->h*inlink->w, |
| outlink->w*inlink->h}, |
| inlink->sample_aspect_ratio); |
| else |
| outlink->sample_aspect_ratio = inlink->sample_aspect_ratio; |
| |
| return 0; |
| |
| fail: |
| av_log(ctx, AV_LOG_ERROR, |
| "Error when evaluating the expression '%s'\n", expr); |
| return ret; |
| } |
| |
| static int qsvscale_filter_frame(AVFilterLink *link, AVFrame *in) |
| { |
| AVFilterContext *ctx = link->dst; |
| QSVScaleContext *s = ctx->priv; |
| AVFilterLink *outlink = ctx->outputs[0]; |
| |
| mfxSyncPoint sync = NULL; |
| mfxStatus err; |
| |
| AVFrame *out = NULL; |
| int ret = 0; |
| |
| out = ff_get_video_buffer(outlink, outlink->w, outlink->h); |
| if (!out) { |
| ret = AVERROR(ENOMEM); |
| goto fail; |
| } |
| |
| do { |
| err = MFXVideoVPP_RunFrameVPPAsync(s->session, |
| (mfxFrameSurface1*)in->data[3], |
| (mfxFrameSurface1*)out->data[3], |
| NULL, &sync); |
| if (err == MFX_WRN_DEVICE_BUSY) |
| av_usleep(1); |
| } while (err == MFX_WRN_DEVICE_BUSY); |
| |
| if (err < 0) { |
| ret = ff_qsvvpp_print_error(ctx, err, "Error during scaling"); |
| goto fail; |
| } |
| |
| if (!sync) { |
| av_log(ctx, AV_LOG_ERROR, "No sync during scaling\n"); |
| ret = AVERROR_UNKNOWN; |
| goto fail; |
| } |
| |
| do { |
| err = MFXVideoCORE_SyncOperation(s->session, sync, 1000); |
| } while (err == MFX_WRN_IN_EXECUTION); |
| if (err < 0) { |
| ret = ff_qsvvpp_print_error(ctx, err, "Error synchronizing the operation"); |
| goto fail; |
| } |
| |
| ret = av_frame_copy_props(out, in); |
| if (ret < 0) |
| goto fail; |
| |
| out->width = outlink->w; |
| out->height = outlink->h; |
| |
| av_reduce(&out->sample_aspect_ratio.num, &out->sample_aspect_ratio.den, |
| (int64_t)in->sample_aspect_ratio.num * outlink->h * link->w, |
| (int64_t)in->sample_aspect_ratio.den * outlink->w * link->h, |
| INT_MAX); |
| |
| av_frame_free(&in); |
| return ff_filter_frame(outlink, out); |
| fail: |
| av_frame_free(&in); |
| av_frame_free(&out); |
| return ret; |
| } |
| |
| #define OFFSET(x) offsetof(QSVScaleContext, x) |
| #define FLAGS AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM |
| static const AVOption options[] = { |
| { "w", "Output video width", OFFSET(w_expr), AV_OPT_TYPE_STRING, { .str = "iw" }, .flags = FLAGS }, |
| { "h", "Output video height", OFFSET(h_expr), AV_OPT_TYPE_STRING, { .str = "ih" }, .flags = FLAGS }, |
| { "format", "Output pixel format", OFFSET(format_str), AV_OPT_TYPE_STRING, { .str = "same" }, .flags = FLAGS }, |
| |
| #if QSV_HAVE_SCALING_CONFIG |
| { "mode", "set scaling mode", OFFSET(mode), AV_OPT_TYPE_INT, { .i64 = MFX_SCALING_MODE_DEFAULT}, MFX_SCALING_MODE_DEFAULT, MFX_SCALING_MODE_QUALITY, FLAGS, "mode"}, |
| { "low_power", "low power mode", 0, AV_OPT_TYPE_CONST, { .i64 = MFX_SCALING_MODE_LOWPOWER}, INT_MIN, INT_MAX, FLAGS, "mode"}, |
| { "hq", "high quality mode", 0, AV_OPT_TYPE_CONST, { .i64 = MFX_SCALING_MODE_QUALITY}, INT_MIN, INT_MAX, FLAGS, "mode"}, |
| #else |
| { "mode", "(not supported)", OFFSET(mode), AV_OPT_TYPE_INT, { .i64 = 0}, 0, INT_MAX, FLAGS, "mode"}, |
| { "low_power", "", 0, AV_OPT_TYPE_CONST, { .i64 = 1}, 0, 0, FLAGS, "mode"}, |
| { "hq", "", 0, AV_OPT_TYPE_CONST, { .i64 = 2}, 0, 0, FLAGS, "mode"}, |
| #endif |
| |
| { NULL }, |
| }; |
| |
| static const AVClass qsvscale_class = { |
| .class_name = "scale_qsv", |
| .item_name = av_default_item_name, |
| .option = options, |
| .version = LIBAVUTIL_VERSION_INT, |
| }; |
| |
| static const AVFilterPad qsvscale_inputs[] = { |
| { |
| .name = "default", |
| .type = AVMEDIA_TYPE_VIDEO, |
| .filter_frame = qsvscale_filter_frame, |
| }, |
| { NULL } |
| }; |
| |
| static const AVFilterPad qsvscale_outputs[] = { |
| { |
| .name = "default", |
| .type = AVMEDIA_TYPE_VIDEO, |
| .config_props = qsvscale_config_props, |
| }, |
| { NULL } |
| }; |
| |
| AVFilter ff_vf_scale_qsv = { |
| .name = "scale_qsv", |
| .description = NULL_IF_CONFIG_SMALL("QuickSync video scaling and format conversion"), |
| |
| .init = qsvscale_init, |
| .uninit = qsvscale_uninit, |
| .query_formats = qsvscale_query_formats, |
| |
| .priv_size = sizeof(QSVScaleContext), |
| .priv_class = &qsvscale_class, |
| |
| .inputs = qsvscale_inputs, |
| .outputs = qsvscale_outputs, |
| |
| .flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE, |
| }; |