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254 lines
7.4 KiB
254 lines
7.4 KiB
/* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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/** |
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* @file |
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* Hardware accelerated hstack, vstack and xstack filters based on VA-API |
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*/ |
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#include "config_components.h" |
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#include "libavutil/opt.h" |
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#include "libavutil/common.h" |
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#include "libavutil/pixdesc.h" |
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#include "libavutil/eval.h" |
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#include "libavutil/hwcontext.h" |
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#include "libavutil/avstring.h" |
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#include "libavutil/avassert.h" |
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#include "libavutil/imgutils.h" |
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#include "libavutil/mathematics.h" |
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#include "libavutil/parseutils.h" |
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#include "libavutil/mem.h" |
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#include "filters.h" |
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#include "formats.h" |
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#include "video.h" |
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#include "framesync.h" |
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#include "vaapi_vpp.h" |
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#define HSTACK_NAME "hstack_vaapi" |
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#define VSTACK_NAME "vstack_vaapi" |
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#define XSTACK_NAME "xstack_vaapi" |
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#define HWContext VAAPIVPPContext |
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#define StackHWContext StackVAAPIContext |
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#include "stack_internal.h" |
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typedef struct StackVAAPIContext { |
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StackBaseContext base; |
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VARectangle *rects; |
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} StackVAAPIContext; |
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static int process_frame(FFFrameSync *fs) |
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{ |
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AVFilterContext *avctx = fs->parent; |
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AVFilterLink *outlink = avctx->outputs[0]; |
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StackVAAPIContext *sctx = fs->opaque; |
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VAAPIVPPContext *vppctx = fs->opaque; |
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AVFrame *oframe, *iframe; |
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VAProcPipelineParameterBuffer *params = NULL; |
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VARectangle *irect = NULL; |
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int ret = 0; |
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if (vppctx->va_context == VA_INVALID_ID) |
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return AVERROR(EINVAL); |
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oframe = ff_get_video_buffer(outlink, outlink->w, outlink->h); |
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if (!oframe) |
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return AVERROR(ENOMEM); |
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irect = av_calloc(avctx->nb_inputs, sizeof(*irect)); |
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params = av_calloc(avctx->nb_inputs, sizeof(*params)); |
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if (!irect || !params) { |
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ret = AVERROR(ENOMEM); |
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goto fail; |
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} |
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for (int i = 0; i < avctx->nb_inputs; i++) { |
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ret = ff_framesync_get_frame(fs, i, &iframe, 0); |
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if (ret) |
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goto fail; |
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if (i == 0) { |
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ret = av_frame_copy_props(oframe, iframe); |
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if (ret < 0) |
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goto fail; |
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} |
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ret = ff_vaapi_vpp_init_params(avctx, ¶ms[i], iframe, oframe); |
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if (ret) |
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goto fail; |
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av_log(avctx, AV_LOG_DEBUG, "stack input %d: %s, %ux%u (%"PRId64").\n", |
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i, av_get_pix_fmt_name(iframe->format), |
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iframe->width, iframe->height, iframe->pts); |
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irect[i].x = 0; |
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irect[i].y = 0; |
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irect[i].width = iframe->width; |
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irect[i].height = iframe->height; |
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params[i].surface_region = &irect[i]; |
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params[i].surface = (VASurfaceID)(uintptr_t)iframe->data[3]; |
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params[i].output_region = &sctx->rects[i]; |
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if (sctx->base.fillcolor_enable) |
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params[i].output_background_color = (sctx->base.fillcolor[3] << 24 | |
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sctx->base.fillcolor[0] << 16 | |
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sctx->base.fillcolor[1] << 8 | |
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sctx->base.fillcolor[2]); |
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} |
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oframe->pts = av_rescale_q(sctx->base.fs.pts, sctx->base.fs.time_base, outlink->time_base); |
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oframe->sample_aspect_ratio = outlink->sample_aspect_ratio; |
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ret = ff_vaapi_vpp_render_pictures(avctx, params, avctx->nb_inputs, oframe); |
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if (ret) |
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goto fail; |
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av_freep(&irect); |
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av_freep(¶ms); |
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return ff_filter_frame(outlink, oframe); |
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fail: |
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av_freep(&irect); |
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av_freep(¶ms); |
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av_frame_free(&oframe); |
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return ret; |
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} |
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static int config_output(AVFilterLink *outlink) |
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{ |
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AVFilterContext *avctx = outlink->src; |
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StackVAAPIContext *sctx = avctx->priv; |
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VAAPIVPPContext *vppctx = avctx->priv; |
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AVFilterLink *inlink0 = avctx->inputs[0]; |
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FilterLink *inl0 = ff_filter_link(inlink0); |
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AVHWFramesContext *hwfc0 = NULL; |
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int ret; |
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if (inlink0->format != AV_PIX_FMT_VAAPI || !inl0->hw_frames_ctx || !inl0->hw_frames_ctx->data) { |
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av_log(avctx, AV_LOG_ERROR, "Software pixel format is not supported.\n"); |
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return AVERROR(EINVAL); |
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} |
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hwfc0 = (AVHWFramesContext *)inl0->hw_frames_ctx->data; |
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for (int i = 1; i < sctx->base.nb_inputs; i++) { |
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AVFilterLink *inlink = avctx->inputs[i]; |
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FilterLink *inl = ff_filter_link(inlink); |
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AVHWFramesContext *hwfc = NULL; |
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if (inlink->format != AV_PIX_FMT_VAAPI || !inl->hw_frames_ctx || !inl->hw_frames_ctx->data) { |
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av_log(avctx, AV_LOG_ERROR, "Software pixel format is not supported.\n"); |
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return AVERROR(EINVAL); |
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} |
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hwfc = (AVHWFramesContext *)inl->hw_frames_ctx->data; |
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if (hwfc0->sw_format != hwfc->sw_format) { |
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av_log(avctx, AV_LOG_ERROR, "All inputs should have the same underlying software pixel format.\n"); |
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return AVERROR(EINVAL); |
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} |
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if (hwfc0->device_ctx != hwfc->device_ctx) { |
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av_log(avctx, AV_LOG_ERROR, "All inputs should have the same underlying vaapi devices.\n"); |
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return AVERROR(EINVAL); |
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} |
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} |
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ff_vaapi_vpp_config_input(inlink0); |
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vppctx->output_format = hwfc0->sw_format; |
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ret = config_comm_output(outlink); |
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if (ret < 0) |
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return ret; |
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for (int i = 0; i < sctx->base.nb_inputs; i++) { |
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sctx->rects[i].x = sctx->base.regions[i].x; |
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sctx->rects[i].y = sctx->base.regions[i].y; |
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sctx->rects[i].width = sctx->base.regions[i].width; |
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sctx->rects[i].height = sctx->base.regions[i].height; |
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} |
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vppctx->output_width = outlink->w; |
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vppctx->output_height = outlink->h; |
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return ff_vaapi_vpp_config_output(outlink); |
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} |
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static int vaapi_stack_init(AVFilterContext *avctx) |
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{ |
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StackVAAPIContext *sctx = avctx->priv; |
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VAAPIVPPContext *vppctx = avctx->priv; |
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int ret; |
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ret = stack_init(avctx); |
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if (ret) |
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return ret; |
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/* stack region */ |
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sctx->rects = av_calloc(sctx->base.nb_inputs, sizeof(*sctx->rects)); |
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if (!sctx->rects) |
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return AVERROR(ENOMEM); |
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ff_vaapi_vpp_ctx_init(avctx); |
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vppctx->output_format = AV_PIX_FMT_NONE; |
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return 0; |
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} |
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static av_cold void vaapi_stack_uninit(AVFilterContext *avctx) |
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{ |
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StackVAAPIContext *sctx = avctx->priv; |
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stack_uninit(avctx); |
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av_freep(&sctx->rects); |
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} |
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static int vaapi_stack_query_formats(AVFilterContext *avctx) |
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{ |
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static const enum AVPixelFormat pixel_formats[] = { |
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AV_PIX_FMT_VAAPI, |
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AV_PIX_FMT_NONE, |
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}; |
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return ff_set_common_formats_from_list(avctx, pixel_formats); |
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} |
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#include "stack_internal.c" |
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#if CONFIG_HSTACK_VAAPI_FILTER |
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DEFINE_HSTACK_OPTIONS(vaapi); |
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DEFINE_STACK_FILTER(hstack, vaapi, "VA-API", 0); |
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#endif |
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#if CONFIG_VSTACK_VAAPI_FILTER |
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DEFINE_VSTACK_OPTIONS(vaapi); |
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DEFINE_STACK_FILTER(vstack, vaapi, "VA-API", 0); |
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#endif |
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#if CONFIG_XSTACK_VAAPI_FILTER |
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DEFINE_XSTACK_OPTIONS(vaapi); |
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DEFINE_STACK_FILTER(xstack, vaapi, "VA-API", 0); |
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#endif
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