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/*
* 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"
#include "libavutil/opt.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;
break;
case AVMEDIA_TYPE_AUDIO:
dst->audio->sample_rate = av_frame_get_sample_rate(src);
break;
default:
return AVERROR(ENOSYS);
}
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;
}
AVFilterBufferRef *avfilter_get_audio_buffer_ref_from_frame(const AVFrame *frame,
int perms)
{
AVFilterBufferRef *picref =
avfilter_get_audio_buffer_ref_from_arrays((uint8_t **)frame->data, (int *)frame->linesize, perms,
frame->nb_samples, frame->format,
av_frame_get_channel_layout(frame),
av_sample_fmt_is_planar(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);
}
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