mirror of https://git.ffmpeg.org/ffmpeg.git
306 lines
12 KiB
C
306 lines
12 KiB
C
/*
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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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#include <string.h>
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#include "libavutil/opt.h"
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#include "libavutil/pixdesc.h"
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#include "avfilter.h"
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#include "internal.h"
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#include "scale_eval.h"
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#include "video.h"
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#include "vaapi_vpp.h"
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typedef struct ScaleVAAPIContext {
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VAAPIVPPContext vpp_ctx; // must be the first field
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char *output_format_string;
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int mode;
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char *w_expr; // width expression string
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char *h_expr; // height expression string
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int force_original_aspect_ratio;
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int force_divisible_by;
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char *colour_primaries_string;
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char *colour_transfer_string;
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char *colour_matrix_string;
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int colour_range;
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char *chroma_location_string;
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enum AVColorPrimaries colour_primaries;
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enum AVColorTransferCharacteristic colour_transfer;
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enum AVColorSpace colour_matrix;
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enum AVChromaLocation chroma_location;
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} ScaleVAAPIContext;
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static const char *scale_vaapi_mode_name(int mode)
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{
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switch (mode) {
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#define D(name) case VA_FILTER_SCALING_ ## name: return #name
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D(DEFAULT);
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D(FAST);
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D(HQ);
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D(NL_ANAMORPHIC);
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#undef D
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default:
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return "Invalid";
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}
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}
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static int scale_vaapi_config_output(AVFilterLink *outlink)
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{
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AVFilterLink *inlink = outlink->src->inputs[0];
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AVFilterContext *avctx = outlink->src;
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VAAPIVPPContext *vpp_ctx = avctx->priv;
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ScaleVAAPIContext *ctx = avctx->priv;
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int err;
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if ((err = ff_scale_eval_dimensions(ctx,
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ctx->w_expr, ctx->h_expr,
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inlink, outlink,
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&vpp_ctx->output_width, &vpp_ctx->output_height)) < 0)
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return err;
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ff_scale_adjust_dimensions(inlink, &vpp_ctx->output_width, &vpp_ctx->output_height,
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ctx->force_original_aspect_ratio, ctx->force_divisible_by);
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if (inlink->w == vpp_ctx->output_width && inlink->h == vpp_ctx->output_height &&
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(vpp_ctx->input_frames->sw_format == vpp_ctx->output_format ||
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vpp_ctx->output_format == AV_PIX_FMT_NONE) &&
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ctx->colour_primaries == AVCOL_PRI_UNSPECIFIED &&
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ctx->colour_transfer == AVCOL_TRC_UNSPECIFIED &&
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ctx->colour_matrix == AVCOL_SPC_UNSPECIFIED &&
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ctx->colour_range == AVCOL_RANGE_UNSPECIFIED &&
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ctx->chroma_location == AVCHROMA_LOC_UNSPECIFIED)
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vpp_ctx->passthrough = 1;
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err = ff_vaapi_vpp_config_output(outlink);
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if (err < 0)
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return err;
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if (inlink->sample_aspect_ratio.num)
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outlink->sample_aspect_ratio = av_mul_q((AVRational){outlink->h * inlink->w, outlink->w * inlink->h}, inlink->sample_aspect_ratio);
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else
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outlink->sample_aspect_ratio = inlink->sample_aspect_ratio;
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return 0;
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}
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static int scale_vaapi_filter_frame(AVFilterLink *inlink, AVFrame *input_frame)
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{
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AVFilterContext *avctx = inlink->dst;
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AVFilterLink *outlink = avctx->outputs[0];
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VAAPIVPPContext *vpp_ctx = avctx->priv;
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ScaleVAAPIContext *ctx = avctx->priv;
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AVFrame *output_frame = NULL;
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VAProcPipelineParameterBuffer params;
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int err;
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av_log(avctx, AV_LOG_DEBUG, "Filter input: %s, %ux%u (%"PRId64").\n",
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av_get_pix_fmt_name(input_frame->format),
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input_frame->width, input_frame->height, input_frame->pts);
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if (vpp_ctx->passthrough)
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return ff_filter_frame(outlink, input_frame);
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if (vpp_ctx->va_context == VA_INVALID_ID)
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return AVERROR(EINVAL);
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output_frame = ff_get_video_buffer(outlink, vpp_ctx->output_width,
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vpp_ctx->output_height);
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if (!output_frame) {
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err = AVERROR(ENOMEM);
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goto fail;
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}
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err = av_frame_copy_props(output_frame, input_frame);
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if (err < 0)
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goto fail;
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if (ctx->colour_primaries != AVCOL_PRI_UNSPECIFIED)
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output_frame->color_primaries = ctx->colour_primaries;
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if (ctx->colour_transfer != AVCOL_TRC_UNSPECIFIED)
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output_frame->color_trc = ctx->colour_transfer;
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if (ctx->colour_matrix != AVCOL_SPC_UNSPECIFIED)
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output_frame->colorspace = ctx->colour_matrix;
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if (ctx->colour_range != AVCOL_RANGE_UNSPECIFIED)
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output_frame->color_range = ctx->colour_range;
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if (ctx->chroma_location != AVCHROMA_LOC_UNSPECIFIED)
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output_frame->chroma_location = ctx->chroma_location;
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err = ff_vaapi_vpp_init_params(avctx, ¶ms,
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input_frame, output_frame);
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if (err < 0)
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goto fail;
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params.filter_flags |= ctx->mode;
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err = ff_vaapi_vpp_render_picture(avctx, ¶ms, output_frame);
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if (err < 0)
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goto fail;
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av_frame_free(&input_frame);
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av_log(avctx, AV_LOG_DEBUG, "Filter output: %s, %ux%u (%"PRId64"), mode: %s.\n",
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av_get_pix_fmt_name(output_frame->format),
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output_frame->width, output_frame->height, output_frame->pts,
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scale_vaapi_mode_name(ctx->mode));
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return ff_filter_frame(outlink, output_frame);
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fail:
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av_frame_free(&input_frame);
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av_frame_free(&output_frame);
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return err;
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}
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static av_cold int scale_vaapi_init(AVFilterContext *avctx)
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{
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VAAPIVPPContext *vpp_ctx = avctx->priv;
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ScaleVAAPIContext *ctx = avctx->priv;
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ff_vaapi_vpp_ctx_init(avctx);
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vpp_ctx->pipeline_uninit = ff_vaapi_vpp_pipeline_uninit;
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if (ctx->output_format_string) {
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vpp_ctx->output_format = av_get_pix_fmt(ctx->output_format_string);
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if (vpp_ctx->output_format == AV_PIX_FMT_NONE) {
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av_log(avctx, AV_LOG_ERROR, "Invalid output format.\n");
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return AVERROR(EINVAL);
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}
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} else {
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// Use the input format once that is configured.
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vpp_ctx->output_format = AV_PIX_FMT_NONE;
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}
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#define STRING_OPTION(var_name, func_name, default_value) do { \
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if (ctx->var_name ## _string) { \
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int var = av_ ## func_name ## _from_name(ctx->var_name ## _string); \
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if (var < 0) { \
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av_log(avctx, AV_LOG_ERROR, "Invalid %s.\n", #var_name); \
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return AVERROR(EINVAL); \
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} \
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ctx->var_name = var; \
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} else { \
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ctx->var_name = default_value; \
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} \
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} while (0)
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STRING_OPTION(colour_primaries, color_primaries, AVCOL_PRI_UNSPECIFIED);
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STRING_OPTION(colour_transfer, color_transfer, AVCOL_TRC_UNSPECIFIED);
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STRING_OPTION(colour_matrix, color_space, AVCOL_SPC_UNSPECIFIED);
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STRING_OPTION(chroma_location, chroma_location, AVCHROMA_LOC_UNSPECIFIED);
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return 0;
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}
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#define OFFSET(x) offsetof(ScaleVAAPIContext, x)
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#define FLAGS (AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM)
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static const AVOption scale_vaapi_options[] = {
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{ "w", "Output video width",
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OFFSET(w_expr), AV_OPT_TYPE_STRING, {.str = "iw"}, .flags = FLAGS },
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{ "h", "Output video height",
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OFFSET(h_expr), AV_OPT_TYPE_STRING, {.str = "ih"}, .flags = FLAGS },
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{ "format", "Output video format (software format of hardware frames)",
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OFFSET(output_format_string), AV_OPT_TYPE_STRING, .flags = FLAGS },
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{ "mode", "Scaling mode",
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OFFSET(mode), AV_OPT_TYPE_INT, { .i64 = VA_FILTER_SCALING_HQ },
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0, VA_FILTER_SCALING_NL_ANAMORPHIC, FLAGS, "mode" },
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{ "default", "Use the default (depend on the driver) scaling algorithm",
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0, AV_OPT_TYPE_CONST, { .i64 = VA_FILTER_SCALING_DEFAULT }, 0, 0, FLAGS, "mode" },
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{ "fast", "Use fast scaling algorithm",
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0, AV_OPT_TYPE_CONST, { .i64 = VA_FILTER_SCALING_FAST }, 0, 0, FLAGS, "mode" },
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{ "hq", "Use high quality scaling algorithm",
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0, AV_OPT_TYPE_CONST, { .i64 = VA_FILTER_SCALING_HQ }, 0, 0, FLAGS, "mode" },
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{ "nl_anamorphic", "Use nolinear anamorphic scaling algorithm",
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0, AV_OPT_TYPE_CONST, { .i64 = VA_FILTER_SCALING_NL_ANAMORPHIC }, 0, 0, FLAGS, "mode" },
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// These colour properties match the ones of the same name in vf_scale.
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{ "out_color_matrix", "Output colour matrix coefficient set",
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OFFSET(colour_matrix_string), AV_OPT_TYPE_STRING, { .str = NULL }, .flags = FLAGS },
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{ "out_range", "Output colour range",
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OFFSET(colour_range), AV_OPT_TYPE_INT, { .i64 = AVCOL_RANGE_UNSPECIFIED },
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AVCOL_RANGE_UNSPECIFIED, AVCOL_RANGE_JPEG, FLAGS, "range" },
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{ "full", "Full range",
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0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_RANGE_JPEG }, 0, 0, FLAGS, "range" },
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{ "limited", "Limited range",
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0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_RANGE_MPEG }, 0, 0, FLAGS, "range" },
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{ "jpeg", "Full range",
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0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_RANGE_JPEG }, 0, 0, FLAGS, "range" },
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{ "mpeg", "Limited range",
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0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_RANGE_MPEG }, 0, 0, FLAGS, "range" },
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{ "tv", "Limited range",
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0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_RANGE_MPEG }, 0, 0, FLAGS, "range" },
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{ "pc", "Full range",
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0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_RANGE_JPEG }, 0, 0, FLAGS, "range" },
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// These colour properties are new here.
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{ "out_color_primaries", "Output colour primaries",
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OFFSET(colour_primaries_string), AV_OPT_TYPE_STRING,
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{ .str = NULL }, .flags = FLAGS },
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{ "out_color_transfer", "Output colour transfer characteristics",
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OFFSET(colour_transfer_string), AV_OPT_TYPE_STRING,
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{ .str = NULL }, .flags = FLAGS },
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{ "out_chroma_location", "Output chroma sample location",
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OFFSET(chroma_location_string), AV_OPT_TYPE_STRING,
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{ .str = NULL }, .flags = FLAGS },
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{ "force_original_aspect_ratio", "decrease or increase w/h if necessary to keep the original AR", OFFSET(force_original_aspect_ratio), AV_OPT_TYPE_INT, { .i64 = 0}, 0, 2, FLAGS, "force_oar" },
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{ "disable", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 0 }, 0, 0, FLAGS, "force_oar" },
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{ "decrease", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 1 }, 0, 0, FLAGS, "force_oar" },
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{ "increase", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 2 }, 0, 0, FLAGS, "force_oar" },
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{ "force_divisible_by", "enforce that the output resolution is divisible by a defined integer when force_original_aspect_ratio is used", OFFSET(force_divisible_by), AV_OPT_TYPE_INT, { .i64 = 1}, 1, 256, FLAGS },
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{ NULL },
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};
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AVFILTER_DEFINE_CLASS(scale_vaapi);
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static const AVFilterPad scale_vaapi_inputs[] = {
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{
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.name = "default",
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.type = AVMEDIA_TYPE_VIDEO,
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.filter_frame = &scale_vaapi_filter_frame,
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.config_props = &ff_vaapi_vpp_config_input,
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},
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};
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static const AVFilterPad scale_vaapi_outputs[] = {
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{
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.name = "default",
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.type = AVMEDIA_TYPE_VIDEO,
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.config_props = &scale_vaapi_config_output,
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},
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};
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const AVFilter ff_vf_scale_vaapi = {
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.name = "scale_vaapi",
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.description = NULL_IF_CONFIG_SMALL("Scale to/from VAAPI surfaces."),
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.priv_size = sizeof(ScaleVAAPIContext),
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.init = &scale_vaapi_init,
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.uninit = &ff_vaapi_vpp_ctx_uninit,
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FILTER_INPUTS(scale_vaapi_inputs),
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FILTER_OUTPUTS(scale_vaapi_outputs),
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FILTER_QUERY_FUNC(&ff_vaapi_vpp_query_formats),
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.priv_class = &scale_vaapi_class,
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.flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE,
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};
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