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111 lines
3.3 KiB
111 lines
3.3 KiB
/* |
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* Copyright (c) 2023 Jan Ekström <jeebjp@gmail.com> |
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* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#include <stdio.h> |
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#include "libavutil/frame.c" |
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#include "libavutil/internal.h" |
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static void print_entries(const AVFrameSideData **sd, const int nb_sd) |
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{ |
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for (int i = 0; i < nb_sd; i++) { |
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const AVFrameSideData *entry = sd[i]; |
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printf("sd %d (size %"SIZE_SPECIFIER"), %s", |
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i, entry->size, av_frame_side_data_name(entry->type)); |
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if (entry->type != AV_FRAME_DATA_SEI_UNREGISTERED) { |
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putchar('\n'); |
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continue; |
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} |
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printf(": %d\n", *(int32_t *)entry->data); |
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} |
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} |
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typedef struct FrameSideDataSet { |
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AVFrameSideData **sd; |
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int nb_sd; |
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} FrameSideDataSet; |
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int main(void) |
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{ |
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FrameSideDataSet set = { 0 }; |
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av_assert0( |
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av_frame_side_data_new(&set.sd, &set.nb_sd, |
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AV_FRAME_DATA_CONTENT_LIGHT_LEVEL, |
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sizeof(int64_t), 0)); |
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av_assert0( |
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av_frame_side_data_new(&set.sd, &set.nb_sd, |
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AV_FRAME_DATA_CONTENT_LIGHT_LEVEL, |
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sizeof(int32_t), AV_FRAME_SIDE_DATA_FLAG_REPLACE)); |
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// test entries in the middle |
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for (int value = 1; value < 4; value++) { |
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AVFrameSideData *sd = av_frame_side_data_new( |
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&set.sd, &set.nb_sd, AV_FRAME_DATA_SEI_UNREGISTERED, |
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sizeof(int32_t), 0); |
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av_assert0(sd); |
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*(int32_t *)sd->data = value; |
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} |
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av_assert0( |
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av_frame_side_data_new( |
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&set.sd, &set.nb_sd, AV_FRAME_DATA_SPHERICAL, |
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sizeof(int64_t), 0)); |
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av_assert0( |
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av_frame_side_data_new( |
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&set.sd, &set.nb_sd, AV_FRAME_DATA_SPHERICAL, |
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sizeof(int32_t), AV_FRAME_SIDE_DATA_FLAG_REPLACE)); |
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// test entries at the end |
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for (int value = 1; value < 4; value++) { |
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AVFrameSideData *sd = av_frame_side_data_new( |
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&set.sd, &set.nb_sd, AV_FRAME_DATA_SEI_UNREGISTERED, |
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sizeof(int32_t), 0); |
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av_assert0(sd); |
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*(int32_t *)sd->data = value + 3; |
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} |
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puts("Initial addition results with duplicates:"); |
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print_entries((const AVFrameSideData **)set.sd, set.nb_sd); |
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{ |
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AVFrameSideData *sd = av_frame_side_data_new( |
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&set.sd, &set.nb_sd, AV_FRAME_DATA_SEI_UNREGISTERED, |
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sizeof(int32_t), AV_FRAME_SIDE_DATA_FLAG_UNIQUE); |
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av_assert0(sd); |
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*(int32_t *)sd->data = 1337; |
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} |
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puts("\nFinal state after a single 'no-duplicates' addition:"); |
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print_entries((const AVFrameSideData **)set.sd, set.nb_sd); |
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av_frame_side_data_free(&set.sd, &set.nb_sd); |
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return 0; |
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}
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