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author | James Almer <jamrial@gmail.com> | 2017-10-30 18:56:45 -0300 |
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committer | James Almer <jamrial@gmail.com> | 2017-10-30 18:56:45 -0300 |
commit | b9d3def9b2cb77eb83542086aa3ac883b4d7efa4 (patch) | |
tree | a35626011027d7ec2a3165dcc09ff912ed9c1821 /libavcodec/adts_parser.c | |
parent | ff173ce8f1a8d043ce87c02a017ec55bb51b2297 (diff) | |
parent | b5f19f7478492307e4b4763aeac3180faf50e17f (diff) |
Merge commit 'b5f19f7478492307e4b4763aeac3180faf50e17f'
* commit 'b5f19f7478492307e4b4763aeac3180faf50e17f':
aac: Split function to parse ADTS header data into public and private part
Merged-by: James Almer <jamrial@gmail.com>
Diffstat (limited to 'libavcodec/adts_parser.c')
-rw-r--r-- | libavcodec/adts_parser.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/libavcodec/adts_parser.c b/libavcodec/adts_parser.c new file mode 100644 index 0000000000..5c9f8ff6f2 --- /dev/null +++ b/libavcodec/adts_parser.c @@ -0,0 +1,44 @@ +/* + * 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 "config.h" + +#include <stddef.h> +#include <stdint.h> + +#include "adts_header.h" +#include "adts_parser.h" + +int av_adts_header_parse(const uint8_t *buf, uint32_t *samples, uint8_t *frames) +{ +#if CONFIG_ADTS_HEADER + GetBitContext gb; + AACADTSHeaderInfo hdr; + int err = init_get_bits8(&gb, buf, AV_AAC_ADTS_HEADER_SIZE); + if (err < 0) + return err; + err = ff_adts_header_parse(&gb, &hdr); + if (err < 0) + return err; + *samples = hdr.samples; + *frames = hdr.num_aac_frames; + return 0; +#else + return AVERROR(ENOSYS); +#endif +} |