219 lines
11 KiB
C
219 lines
11 KiB
C
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/*
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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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* filter for manipulating frame side data
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*/
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#include "libavutil/avassert.h"
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#include "libavutil/internal.h"
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#include "libavutil/frame.h"
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#include "libavutil/opt.h"
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#include "avfilter.h"
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#include "formats.h"
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#include "internal.h"
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enum SideDataMode {
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SIDEDATA_SELECT,
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SIDEDATA_DELETE,
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SIDEDATA_NB
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};
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typedef struct SideDataContext {
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const AVClass *class;
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int mode;
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int type; // enum AVFrameSideDataType or -1 for delete side data mode
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} SideDataContext;
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#define OFFSET(x) offsetof(SideDataContext, x)
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#if FF_API_FRAME_QP
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#define DEFINE_OPTIONS(filt_name, FLAGS) \
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static const AVOption filt_name##_options[] = { \
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{ "mode", "set a mode of operation", OFFSET(mode), AV_OPT_TYPE_INT, {.i64 = 0 }, 0, SIDEDATA_NB-1, FLAGS, "mode" }, \
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{ "select", "select frame", 0, AV_OPT_TYPE_CONST, {.i64 = SIDEDATA_SELECT }, 0, 0, FLAGS, "mode" }, \
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{ "delete", "delete side data", 0, AV_OPT_TYPE_CONST, {.i64 = SIDEDATA_DELETE }, 0, 0, FLAGS, "mode" }, \
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{ "type", "set side data type", OFFSET(type), AV_OPT_TYPE_INT, {.i64 = -1 }, -1, INT_MAX, FLAGS, "type" }, \
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{ "PANSCAN", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_PANSCAN }, 0, 0, FLAGS, "type" }, \
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{ "A53_CC", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_A53_CC }, 0, 0, FLAGS, "type" }, \
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{ "STEREO3D", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_STEREO3D }, 0, 0, FLAGS, "type" }, \
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{ "MATRIXENCODING", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_MATRIXENCODING }, 0, 0, FLAGS, "type" }, \
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{ "DOWNMIX_INFO", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_DOWNMIX_INFO }, 0, 0, FLAGS, "type" }, \
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{ "REPLAYGAIN", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_REPLAYGAIN }, 0, 0, FLAGS, "type" }, \
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{ "DISPLAYMATRIX", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_DISPLAYMATRIX }, 0, 0, FLAGS, "type" }, \
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{ "AFD", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_AFD }, 0, 0, FLAGS, "type" }, \
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{ "MOTION_VECTORS", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_MOTION_VECTORS }, 0, 0, FLAGS, "type" }, \
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{ "SKIP_SAMPLES", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_SKIP_SAMPLES }, 0, 0, FLAGS, "type" }, \
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{ "AUDIO_SERVICE_TYPE", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_AUDIO_SERVICE_TYPE }, 0, 0, FLAGS, "type" }, \
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{ "MASTERING_DISPLAY_METADATA", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_MASTERING_DISPLAY_METADATA }, 0, 0, FLAGS, "type" }, \
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{ "GOP_TIMECODE", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_GOP_TIMECODE }, 0, 0, FLAGS, "type" }, \
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{ "SPHERICAL", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_SPHERICAL }, 0, 0, FLAGS, "type" }, \
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{ "CONTENT_LIGHT_LEVEL", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_CONTENT_LIGHT_LEVEL }, 0, 0, FLAGS, "type" }, \
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{ "ICC_PROFILE", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_ICC_PROFILE }, 0, 0, FLAGS, "type" }, \
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{ "QP_TABLE_PROPERTIES", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_QP_TABLE_PROPERTIES }, 0, 0, FLAGS, "type" }, \
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{ "QP_TABLE_DATA", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_QP_TABLE_DATA }, 0, 0, FLAGS, "type" }, \
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{ "S12M_TIMECOD", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_S12M_TIMECODE }, 0, 0, FLAGS, "type" }, \
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{ "DYNAMIC_HDR_PLUS", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_DYNAMIC_HDR_PLUS }, 0, 0, FLAGS, "type" }, \
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{ "REGIONS_OF_INTEREST", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_REGIONS_OF_INTEREST }, 0, 0, FLAGS, "type" }, \
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{ NULL } \
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}
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#else
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#define DEFINE_OPTIONS(filt_name, FLAGS) \
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static const AVOption filt_name##_options[] = { \
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{ "mode", "set a mode of operation", OFFSET(mode), AV_OPT_TYPE_INT, {.i64 = 0 }, 0, SIDEDATA_NB-1, FLAGS, "mode" }, \
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{ "select", "select frame", 0, AV_OPT_TYPE_CONST, {.i64 = SIDEDATA_SELECT }, 0, 0, FLAGS, "mode" }, \
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{ "delete", "delete side data", 0, AV_OPT_TYPE_CONST, {.i64 = SIDEDATA_DELETE }, 0, 0, FLAGS, "mode" }, \
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{ "type", "set side data type", OFFSET(type), AV_OPT_TYPE_INT, {.i64 = -1 }, -1, INT_MAX, FLAGS, "type" }, \
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{ "PANSCAN", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_PANSCAN }, 0, 0, FLAGS, "type" }, \
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{ "A53_CC", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_A53_CC }, 0, 0, FLAGS, "type" }, \
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{ "STEREO3D", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_STEREO3D }, 0, 0, FLAGS, "type" }, \
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{ "MATRIXENCODING", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_MATRIXENCODING }, 0, 0, FLAGS, "type" }, \
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{ "DOWNMIX_INFO", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_DOWNMIX_INFO }, 0, 0, FLAGS, "type" }, \
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{ "REPLAYGAIN", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_REPLAYGAIN }, 0, 0, FLAGS, "type" }, \
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{ "DISPLAYMATRIX", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_DISPLAYMATRIX }, 0, 0, FLAGS, "type" }, \
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{ "AFD", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_AFD }, 0, 0, FLAGS, "type" }, \
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{ "MOTION_VECTORS", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_MOTION_VECTORS }, 0, 0, FLAGS, "type" }, \
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{ "SKIP_SAMPLES", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_SKIP_SAMPLES }, 0, 0, FLAGS, "type" }, \
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{ "AUDIO_SERVICE_TYPE", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_AUDIO_SERVICE_TYPE }, 0, 0, FLAGS, "type" }, \
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{ "MASTERING_DISPLAY_METADATA", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_MASTERING_DISPLAY_METADATA }, 0, 0, FLAGS, "type" }, \
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{ "GOP_TIMECODE", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_GOP_TIMECODE }, 0, 0, FLAGS, "type" }, \
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{ "SPHERICAL", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_SPHERICAL }, 0, 0, FLAGS, "type" }, \
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{ "CONTENT_LIGHT_LEVEL", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_CONTENT_LIGHT_LEVEL }, 0, 0, FLAGS, "type" }, \
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{ "ICC_PROFILE", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_ICC_PROFILE }, 0, 0, FLAGS, "type" }, \
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{ "S12M_TIMECOD", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_S12M_TIMECODE }, 0, 0, FLAGS, "type" }, \
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{ "DYNAMIC_HDR_PLUS", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_DYNAMIC_HDR_PLUS }, 0, 0, FLAGS, "type" }, \
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{ "REGIONS_OF_INTEREST", "", 0, AV_OPT_TYPE_CONST, {.i64 = AV_FRAME_DATA_REGIONS_OF_INTEREST }, 0, 0, FLAGS, "type" }, \
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{ NULL } \
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}
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#endif
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static av_cold int init(AVFilterContext *ctx)
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{
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SideDataContext *s = ctx->priv;
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if (s->type == -1 && s->mode != SIDEDATA_DELETE) {
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av_log(ctx, AV_LOG_ERROR, "Side data type must be set\n");
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return AVERROR(EINVAL);
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}
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return 0;
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}
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static int filter_frame(AVFilterLink *inlink, AVFrame *frame)
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{
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AVFilterContext *ctx = inlink->dst;
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AVFilterLink *outlink = ctx->outputs[0];
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SideDataContext *s = ctx->priv;
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AVFrameSideData *sd = NULL;
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if (s->type != -1)
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sd = av_frame_get_side_data(frame, s->type);
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switch (s->mode) {
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case SIDEDATA_SELECT:
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if (sd) {
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return ff_filter_frame(outlink, frame);
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}
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break;
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case SIDEDATA_DELETE:
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if (s->type == -1) {
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while (frame->nb_side_data)
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av_frame_remove_side_data(frame, frame->side_data[0]->type);
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} else if (sd) {
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av_frame_remove_side_data(frame, s->type);
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}
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return ff_filter_frame(outlink, frame);
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break;
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default:
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av_assert0(0);
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};
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av_frame_free(&frame);
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return 0;
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}
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#if CONFIG_ASIDEDATA_FILTER
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DEFINE_OPTIONS(asidedata, AV_OPT_FLAG_AUDIO_PARAM|AV_OPT_FLAG_FILTERING_PARAM);
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AVFILTER_DEFINE_CLASS(asidedata);
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static const AVFilterPad ainputs[] = {
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{
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.name = "default",
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.type = AVMEDIA_TYPE_AUDIO,
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.filter_frame = filter_frame,
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},
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{ NULL }
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};
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static const AVFilterPad aoutputs[] = {
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{
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.name = "default",
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.type = AVMEDIA_TYPE_AUDIO,
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},
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{ NULL }
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};
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AVFilter ff_af_asidedata = {
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.name = "asidedata",
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.description = NULL_IF_CONFIG_SMALL("Manipulate audio frame side data."),
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.priv_size = sizeof(SideDataContext),
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.priv_class = &asidedata_class,
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.init = init,
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.inputs = ainputs,
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.outputs = aoutputs,
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.flags = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC,
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};
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#endif /* CONFIG_ASIDEDATA_FILTER */
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#if CONFIG_SIDEDATA_FILTER
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DEFINE_OPTIONS(sidedata, AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM);
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AVFILTER_DEFINE_CLASS(sidedata);
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static const AVFilterPad 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 = filter_frame,
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},
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{ NULL }
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};
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static const AVFilterPad outputs[] = {
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{
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.name = "default",
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.type = AVMEDIA_TYPE_VIDEO,
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},
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{ NULL }
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};
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AVFilter ff_vf_sidedata = {
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.name = "sidedata",
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.description = NULL_IF_CONFIG_SMALL("Manipulate video frame side data."),
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.priv_size = sizeof(SideDataContext),
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.priv_class = &sidedata_class,
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.init = init,
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.inputs = inputs,
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.outputs = outputs,
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.flags = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC,
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};
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#endif /* CONFIG_SIDEDATA_FILTER */
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