2 * This file is part of FFmpeg.
4 * FFmpeg is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
9 * FFmpeg is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with FFmpeg; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 * Ulead DV audio parser
23 * Determines the duration for each packet.
29 static int dvaudio_parse(AVCodecParserContext *s1, AVCodecContext *avctx,
30 const uint8_t **poutbuf, int *poutbuf_size,
31 const uint8_t *buf, int buf_size)
34 s1->duration = dv_get_audio_sample_count(buf + 244, avctx->block_align == 8640);
36 /* always return the full packet. this parser isn't doing any splitting or
37 combining, only packet analysis */
39 *poutbuf_size = buf_size;
43 AVCodecParser ff_dvaudio_parser = {
44 .codec_ids = { AV_CODEC_ID_DVAUDIO },
45 .parser_parse = dvaudio_parse,