2 * Copyright 2011 Stefano Sabatini | stefasab at gmail.com
4 * This file is part of FFmpeg.
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
23 * libavcodec/libavfilter gluing utilities
27 #include "libavutil/avassert.h"
28 #include "libavutil/opt.h"
30 int avfilter_copy_frame_props(AVFilterBufferRef *dst, const AVFrame *src)
33 dst->pos = av_frame_get_pkt_pos(src);
34 dst->format = src->format;
37 case AVMEDIA_TYPE_VIDEO:
38 dst->video->w = src->width;
39 dst->video->h = src->height;
40 dst->video->sample_aspect_ratio = src->sample_aspect_ratio;
41 dst->video->interlaced = src->interlaced_frame;
42 dst->video->top_field_first = src->top_field_first;
43 dst->video->key_frame = src->key_frame;
44 dst->video->pict_type = src->pict_type;
46 case AVMEDIA_TYPE_AUDIO:
47 dst->audio->sample_rate = src->sample_rate;
48 dst->audio->channel_layout = src->channel_layout;
51 return AVERROR(EINVAL);
57 AVFilterBufferRef *avfilter_get_video_buffer_ref_from_frame(const AVFrame *frame,
60 AVFilterBufferRef *picref =
61 avfilter_get_video_buffer_ref_from_arrays(frame->data, frame->linesize, perms,
62 frame->width, frame->height,
66 avfilter_copy_frame_props(picref, frame);
70 AVFilterBufferRef *avfilter_get_audio_buffer_ref_from_frame(const AVFrame *frame,
73 AVFilterBufferRef *picref =
74 avfilter_get_audio_buffer_ref_from_arrays((uint8_t **)frame->data, frame->linesize[0], perms,
75 frame->nb_samples, frame->format,
76 av_frame_get_channel_layout(frame));
79 avfilter_copy_frame_props(picref, frame);
83 int avfilter_copy_buf_props(AVFrame *dst, const AVFilterBufferRef *src)
85 int planes, nb_channels;
88 return AVERROR(EINVAL);
89 /* abort in case the src is NULL and dst is not, avoid inconsistent state in dst */
92 memcpy(dst->data, src->data, sizeof(dst->data));
93 memcpy(dst->linesize, src->linesize, sizeof(dst->linesize));
96 dst->pkt_pos = src->pos;
97 dst->format = src->format;
100 case AVMEDIA_TYPE_VIDEO:
101 av_assert0(src->video);
102 dst->width = src->video->w;
103 dst->height = src->video->h;
104 dst->sample_aspect_ratio = src->video->sample_aspect_ratio;
105 dst->interlaced_frame = src->video->interlaced;
106 dst->top_field_first = src->video->top_field_first;
107 dst->key_frame = src->video->key_frame;
108 dst->pict_type = src->video->pict_type;
110 case AVMEDIA_TYPE_AUDIO:
111 av_assert0(src->audio);
112 nb_channels = av_get_channel_layout_nb_channels(src->audio->channel_layout);
113 planes = av_sample_fmt_is_planar(src->format) ? nb_channels : 1;
115 if (planes > FF_ARRAY_ELEMS(dst->data)) {
116 dst->extended_data = av_mallocz(planes * sizeof(*dst->extended_data));
117 if (!dst->extended_data)
118 return AVERROR(ENOMEM);
119 memcpy(dst->extended_data, src->extended_data,
120 planes * sizeof(dst->extended_data));
122 dst->extended_data = dst->data;
124 dst->sample_rate = src->audio->sample_rate;
125 dst->channel_layout = src->audio->channel_layout;
126 dst->nb_samples = src->audio->nb_samples;
129 return AVERROR(EINVAL);
135 int avfilter_fill_frame_from_audio_buffer_ref(AVFrame *frame,
136 const AVFilterBufferRef *samplesref)
138 if (!samplesref || !samplesref->audio || !frame)
139 return AVERROR(EINVAL);
141 memcpy(frame->data, samplesref->data, sizeof(frame->data));
142 memcpy(frame->linesize, samplesref->linesize, sizeof(frame->linesize));
143 av_frame_set_pkt_pos(frame, samplesref->pos);
144 frame->format = samplesref->format;
145 frame->nb_samples = samplesref->audio->nb_samples;
146 frame->pts = samplesref->pts;
147 frame->sample_rate = samplesref->audio->sample_rate;
148 frame->channel_layout = samplesref->audio->channel_layout;
153 int avfilter_fill_frame_from_video_buffer_ref(AVFrame *frame,
154 const AVFilterBufferRef *picref)
156 if (!picref || !picref->video || !frame)
157 return AVERROR(EINVAL);
159 memcpy(frame->data, picref->data, sizeof(frame->data));
160 memcpy(frame->linesize, picref->linesize, sizeof(frame->linesize));
161 av_frame_set_pkt_pos(frame, picref->pos);
162 frame->interlaced_frame = picref->video->interlaced;
163 frame->top_field_first = picref->video->top_field_first;
164 frame->key_frame = picref->video->key_frame;
165 frame->pict_type = picref->video->pict_type;
166 frame->sample_aspect_ratio = picref->video->sample_aspect_ratio;
167 frame->width = picref->video->w;
168 frame->height = picref->video->h;
169 frame->format = picref->format;
170 frame->pts = picref->pts;
175 int avfilter_fill_frame_from_buffer_ref(AVFrame *frame,
176 const AVFilterBufferRef *ref)
179 return AVERROR(EINVAL);
180 return ref->video ? avfilter_fill_frame_from_video_buffer_ref(frame, ref)
181 : avfilter_fill_frame_from_audio_buffer_ref(frame, ref);