2 * Vidvox Hap utility functions
3 * Copyright (C) 2015 Tom Butterworth <bangnoise@gmail.com>
5 * This file is part of FFmpeg.
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
28 int ff_hap_set_chunk_count(HapContext *ctx, int count, int first_in_frame)
31 if (first_in_frame == 1 && ctx->chunk_count != count) {
32 int ret = av_reallocp_array(&ctx->chunks, count, sizeof(HapChunk));
34 ret = av_reallocp_array(&ctx->chunk_results, count, sizeof(int));
38 ctx->chunk_count = count;
40 } else if (ctx->chunk_count != count) {
41 /* If this is not the first chunk count calculated for a frame and a
42 * different count has already been encountered, then reject the frame:
43 * each table in the Decode Instructions Container must describe the
44 * same number of chunks. */
45 ret = AVERROR_INVALIDDATA;
50 av_cold void ff_hap_free_context(HapContext *ctx)
52 av_freep(&ctx->tex_buf);
53 av_freep(&ctx->chunks);
54 av_freep(&ctx->chunk_results);