| /* |
| * AV1 helper functions for muxers |
| * |
| * 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 |
| */ |
| |
| #ifndef AVFORMAT_AV1_H |
| #define AVFORMAT_AV1_H |
| |
| #include <stdint.h> |
| |
| #include "avio.h" |
| |
| /** |
| * Filter out AV1 OBUs not meant to be present in ISOBMFF sample data and write |
| * the resulting bitstream to the provided AVIOContext. |
| * |
| * @param pb pointer to the AVIOContext where the filtered bitstream shall be |
| * written |
| * @param buf input data buffer |
| * @param size size of the input data buffer |
| * |
| * @return the amount of bytes written in case of success, a negative AVERROR |
| * code in case of failure |
| */ |
| int ff_av1_filter_obus(AVIOContext *pb, const uint8_t *buf, int size); |
| |
| /** |
| * Filter out AV1 OBUs not meant to be present in ISOBMFF sample data and write |
| * the resulting bitstream to a newly allocated data buffer. |
| * |
| * @param pb pointer to the AVIOContext where the filtered bitstream shall be |
| * written |
| * @param buf input data buffer |
| * @param out pointer to pointer that will hold the allocated data buffer |
| * @param size size of the input data buffer. The size of the resulting output |
| data buffer will be written here |
| * |
| * @return the amount of bytes written in case of success, a negative AVERROR |
| * code in case of failure. On failure, out and size are unchanged |
| */ |
| int ff_av1_filter_obus_buf(const uint8_t *buf, uint8_t **out, int *size); |
| |
| /** |
| * Writes AV1 extradata (Sequence Header and Metadata OBUs) to the provided |
| * AVIOContext. |
| * |
| * @param pb pointer to the AVIOContext where the hvcC shall be written |
| * @param buf input data buffer |
| * @param size size in bytes of the input data buffer |
| * |
| * @return >= 0 in case of success, a negative AVERROR code in case of failure |
| */ |
| int ff_isom_write_av1c(AVIOContext *pb, const uint8_t *buf, int size); |
| |
| #endif /* AVFORMAT_AV1_H */ |