mirror of
				https://github.com/nyanmisaka/ffmpeg-rockchip.git
				synced 2025-10-31 20:42:49 +08:00 
			
		
		
		
	
		
			
				
	
	
		
			74 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			74 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
 | |
|  * 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"
 | |
| 
 | |
| void 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;
 | |
|     }
 | |
| }
 | |
| 
 | |
| 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_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;
 | |
| 
 | |
|     return 0;
 | |
| }
 | 
