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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 6147 | serge | 1 | /* |
| 2 | * Vidvox Hap utility functions |
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| 3 | * Copyright (C) 2015 Tom Butterworth |
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| 4 | * |
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| 5 | * This file is part of FFmpeg. |
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| 6 | * |
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| 7 | * FFmpeg is free software; you can redistribute it and/or |
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| 8 | * modify it under the terms of the GNU Lesser General Public |
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| 9 | * License as published by the Free Software Foundation; either |
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| 10 | * version 2.1 of the License, or (at your option) any later version. |
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| 11 | * |
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| 12 | * FFmpeg is distributed in the hope that it will be useful, |
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| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 15 | * Lesser General Public License for more details. |
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| 16 | * |
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| 17 | * You should have received a copy of the GNU Lesser General Public |
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| 18 | * License along with FFmpeg; if not, write to the Free Software |
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| 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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| 20 | */ |
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| 21 | |||
| 22 | /** |
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| 23 | * @file |
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| 24 | * Hap utilities |
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| 25 | */ |
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| 26 | #include "hap.h" |
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| 27 | |||
| 28 | int ff_hap_set_chunk_count(HapContext *ctx, int count, int first_in_frame) |
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| 29 | { |
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| 30 | int ret = 0; |
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| 31 | if (first_in_frame == 1 && ctx->chunk_count != count) { |
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| 32 | int ret = av_reallocp_array(&ctx->chunks, count, sizeof(HapChunk)); |
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| 33 | if (ret == 0) |
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| 34 | ret = av_reallocp_array(&ctx->chunk_results, count, sizeof(int)); |
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| 35 | if (ret < 0) { |
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| 36 | ctx->chunk_count = 0; |
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| 37 | } else { |
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| 38 | ctx->chunk_count = count; |
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| 39 | } |
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| 40 | } else if (ctx->chunk_count != count) { |
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| 41 | /* If this is not the first chunk count calculated for a frame and a |
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| 42 | * different count has already been encountered, then reject the frame: |
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| 43 | * each table in the Decode Instructions Container must describe the |
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| 44 | * same number of chunks. */ |
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| 45 | ret = AVERROR_INVALIDDATA; |
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| 46 | } |
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| 47 | return ret; |
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| 48 | } |
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| 49 | |||
| 50 | av_cold void ff_hap_free_context(HapContext *ctx) |
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| 51 | { |
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| 52 | av_freep(&ctx->tex_buf); |
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| 53 | av_freep(&ctx->chunks); |
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| 54 | av_freep(&ctx->chunk_results); |
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| 55 | } |