From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 21:33:14 +0200 Subject: Adding upstream version 115.7.0esr. Signed-off-by: Daniel Baumann --- media/ffvpx/libavutil/video_enc_params.c | 80 ++++++++++++++++++++++++++++++++ 1 file changed, 80 insertions(+) create mode 100644 media/ffvpx/libavutil/video_enc_params.c (limited to 'media/ffvpx/libavutil/video_enc_params.c') diff --git a/media/ffvpx/libavutil/video_enc_params.c b/media/ffvpx/libavutil/video_enc_params.c new file mode 100644 index 0000000000..33592dc128 --- /dev/null +++ b/media/ffvpx/libavutil/video_enc_params.c @@ -0,0 +1,80 @@ +/* + * 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 +#include + +#include "buffer.h" +#include "frame.h" +#include "mem.h" +#include "video_enc_params.h" + +AVVideoEncParams *av_video_enc_params_alloc(enum AVVideoEncParamsType type, + unsigned int nb_blocks, size_t *out_size) +{ + struct TestStruct { + AVVideoEncParams p; + AVVideoBlockParams b; + }; + const size_t blocks_offset = offsetof(struct TestStruct, b); + size_t size = blocks_offset; + AVVideoEncParams *par; + + if (nb_blocks > (SIZE_MAX - size) / sizeof(AVVideoBlockParams)) + return NULL; + size += sizeof(AVVideoBlockParams) * nb_blocks; + + par = av_mallocz(size); + if (!par) + return NULL; + + par->type = type; + par->nb_blocks = nb_blocks; + par->block_size = sizeof(AVVideoBlockParams); + par->blocks_offset = blocks_offset; + + if (out_size) + *out_size = size; + + return par; +} + +AVVideoEncParams* +av_video_enc_params_create_side_data(AVFrame *frame, enum AVVideoEncParamsType type, + unsigned int nb_blocks) +{ + AVBufferRef *buf; + AVVideoEncParams *par; + size_t size; + + par = av_video_enc_params_alloc(type, nb_blocks, &size); + if (!par) + return NULL; + buf = av_buffer_create((uint8_t *)par, size, NULL, NULL, 0); + if (!buf) { + av_freep(&par); + return NULL; + } + + if (!av_frame_new_side_data_from_buf(frame, AV_FRAME_DATA_VIDEO_ENC_PARAMS, buf)) { + av_buffer_unref(&buf); + return NULL; + } + + return par; +} -- cgit v1.2.3