Remove unnecessary inclusions of [sys/]time.h
[libav.git] / libavdevice / sndio_enc.c
1 /*
2 * sndio play and grab interface
3 * Copyright (c) 2010 Jacob Meuser
4 *
5 * This file is part of Libav.
6 *
7 * Libav is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * Libav is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with Libav; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21
22 #include <stdint.h>
23 #include <sndio.h>
24
25 #include "libavformat/avformat.h"
26
27 #include "sndio_common.h"
28
29 static av_cold int audio_write_header(AVFormatContext *s1)
30 {
31 SndioData *s = s1->priv_data;
32 AVStream *st;
33 int ret;
34
35 st = s1->streams[0];
36 s->sample_rate = st->codec->sample_rate;
37 s->channels = st->codec->channels;
38
39 ret = ff_sndio_open(s1, 1, s1->filename);
40
41 return ret;
42 }
43
44 static int audio_write_packet(AVFormatContext *s1, AVPacket *pkt)
45 {
46 SndioData *s = s1->priv_data;
47 uint8_t *buf= pkt->data;
48 int size = pkt->size;
49 int len, ret;
50
51 while (size > 0) {
52 len = FFMIN(s->buffer_size - s->buffer_offset, size);
53 memcpy(s->buffer + s->buffer_offset, buf, len);
54 buf += len;
55 size -= len;
56 s->buffer_offset += len;
57 if (s->buffer_offset >= s->buffer_size) {
58 ret = sio_write(s->hdl, s->buffer, s->buffer_size);
59 if (ret == 0 || sio_eof(s->hdl))
60 return AVERROR(EIO);
61 s->softpos += ret;
62 s->buffer_offset = 0;
63 }
64 }
65
66 return 0;
67 }
68
69 static int audio_write_trailer(AVFormatContext *s1)
70 {
71 SndioData *s = s1->priv_data;
72
73 sio_write(s->hdl, s->buffer, s->buffer_offset);
74
75 ff_sndio_close(s);
76
77 return 0;
78 }
79
80 AVOutputFormat ff_sndio_muxer = {
81 .name = "sndio",
82 .long_name = NULL_IF_CONFIG_SMALL("sndio audio playback"),
83 .priv_data_size = sizeof(SndioData),
84 /* XXX: we make the assumption that the soundcard accepts this format */
85 /* XXX: find better solution with "preinit" method, needed also in
86 other formats */
87 .audio_codec = AV_NE(CODEC_ID_PCM_S16BE, CODEC_ID_PCM_S16LE),
88 .video_codec = CODEC_ID_NONE,
89 .write_header = audio_write_header,
90 .write_packet = audio_write_packet,
91 .write_trailer = audio_write_trailer,
92 .flags = AVFMT_NOFILE,
93 };