/* * 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 * libavcodec/libavfilter gluing utilities */ #include "avcodec.h" int avfilter_copy_frame_props(AVFilterBufferRef *dst, const AVFrame *src){    dst->pts    = src->pts;    dst->pos    = src->pkt_pos;    dst->format = src->format;     switch (dst->type) {    case AVMEDIA_TYPE_VIDEO:        dst->video->w                   = src->width;        dst->video->h                   = src->height;        dst->video->sample_aspect_ratio = src->sample_aspect_ratio;        dst->video->interlaced          = src->interlaced_frame;        dst->video->top_field_first     = src->top_field_first;        dst->video->key_frame           = src->key_frame;        dst->video->pict_type           = src->pict_type;    }     return 0;} AVFilterBufferRef *avfilter_get_video_buffer_ref_from_frame(const AVFrame *frame,                                                            int perms){    AVFilterBufferRef *picref =        avfilter_get_video_buffer_ref_from_arrays(frame->data, frame->linesize, perms,                                                  frame->width, frame->height,                                                  frame->format);    if (!picref)        return NULL;    avfilter_copy_frame_props(picref, frame);    return picref;} int avfilter_fill_frame_from_audio_buffer_ref(AVFrame *frame,                                              const AVFilterBufferRef *samplesref){    if (!samplesref || !samplesref->audio || !frame)        return AVERROR(EINVAL);     memcpy(frame->data, samplesref->data, sizeof(frame->data));    frame->pkt_pos    = samplesref->pos;    frame->format     = samplesref->format;    frame->nb_samples = samplesref->audio->nb_samples;    frame->pts        = samplesref->pts;     return 0;} int avfilter_fill_frame_from_video_buffer_ref(AVFrame *frame,                                              const AVFilterBufferRef *picref){    if (!picref || !picref->video || !frame)        return AVERROR(EINVAL);     memcpy(frame->data,     picref->data,     sizeof(frame->data));    memcpy(frame->linesize, picref->linesize, sizeof(frame->linesize));    frame->pkt_pos          = picref->pos;    frame->interlaced_frame = picref->video->interlaced;    frame->top_field_first  = picref->video->top_field_first;    frame->key_frame        = picref->video->key_frame;    frame->pict_type        = picref->video->pict_type;    frame->sample_aspect_ratio = picref->video->sample_aspect_ratio;    frame->width            = picref->video->w;    frame->height           = picref->video->h;    frame->format           = picref->format;    frame->pts              = picref->pts;     return 0;} int avfilter_fill_frame_from_buffer_ref(AVFrame *frame,                                        const AVFilterBufferRef *ref){    if (!ref)        return AVERROR(EINVAL);    return ref->video ? avfilter_fill_frame_from_video_buffer_ref(frame, ref)                      : avfilter_fill_frame_from_audio_buffer_ref(frame, ref);}