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