mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-23 12:43:46 +02:00
b265e5ba50
* commit '7433feb82f75827884d909de34d341a1c4401d4a': lavfi: Make default get_video_buffer work with hardware frames Merged-by: Matthieu Bouron <matthieu.bouron@gmail.com>
106 lines
3.2 KiB
C
106 lines
3.2 KiB
C
/*
|
|
* Copyright 2007 Bobby Bingham
|
|
* Copyright Stefano Sabatini <stefasab gmail com>
|
|
* Copyright Vitor Sessak <vitor1001 gmail com>
|
|
*
|
|
* 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
|
|
*/
|
|
|
|
#include <string.h>
|
|
#include <stdio.h>
|
|
|
|
#include "libavutil/avassert.h"
|
|
#include "libavutil/buffer.h"
|
|
#include "libavutil/hwcontext.h"
|
|
#include "libavutil/imgutils.h"
|
|
#include "libavutil/mem.h"
|
|
|
|
#include "avfilter.h"
|
|
#include "internal.h"
|
|
#include "video.h"
|
|
|
|
#define BUFFER_ALIGN 32
|
|
|
|
|
|
AVFrame *ff_null_get_video_buffer(AVFilterLink *link, int w, int h)
|
|
{
|
|
return ff_get_video_buffer(link->dst->outputs[0], w, h);
|
|
}
|
|
|
|
AVFrame *ff_default_get_video_buffer(AVFilterLink *link, int w, int h)
|
|
{
|
|
int pool_width = 0;
|
|
int pool_height = 0;
|
|
int pool_align = 0;
|
|
enum AVPixelFormat pool_format = AV_PIX_FMT_NONE;
|
|
|
|
if (link->hw_frames_ctx &&
|
|
((AVHWFramesContext*)link->hw_frames_ctx->data)->format == link->format) {
|
|
int ret;
|
|
AVFrame *frame = av_frame_alloc();
|
|
|
|
if (!frame)
|
|
return NULL;
|
|
|
|
ret = av_hwframe_get_buffer(link->hw_frames_ctx, frame, 0);
|
|
if (ret < 0)
|
|
av_frame_free(&frame);
|
|
|
|
return frame;
|
|
}
|
|
|
|
if (!link->frame_pool) {
|
|
link->frame_pool = ff_frame_pool_video_init(av_buffer_allocz, w, h,
|
|
link->format, BUFFER_ALIGN);
|
|
if (!link->frame_pool)
|
|
return NULL;
|
|
} else {
|
|
if (ff_frame_pool_get_video_config(link->frame_pool,
|
|
&pool_width, &pool_height,
|
|
&pool_format, &pool_align) < 0) {
|
|
return NULL;
|
|
}
|
|
|
|
if (pool_width != w || pool_height != h ||
|
|
pool_format != link->format || pool_align != BUFFER_ALIGN) {
|
|
|
|
ff_frame_pool_uninit((FFFramePool **)&link->frame_pool);
|
|
link->frame_pool = ff_frame_pool_video_init(av_buffer_allocz, w, h,
|
|
link->format, BUFFER_ALIGN);
|
|
if (!link->frame_pool)
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
return ff_frame_pool_get(link->frame_pool);
|
|
}
|
|
|
|
AVFrame *ff_get_video_buffer(AVFilterLink *link, int w, int h)
|
|
{
|
|
AVFrame *ret = NULL;
|
|
|
|
FF_TPRINTF_START(NULL, get_video_buffer); ff_tlog_link(NULL, link, 0);
|
|
|
|
if (link->dstpad->get_video_buffer)
|
|
ret = link->dstpad->get_video_buffer(link, w, h);
|
|
|
|
if (!ret)
|
|
ret = ff_default_get_video_buffer(link, w, h);
|
|
|
|
return ret;
|
|
}
|