diff options
Diffstat (limited to 'ffmpeg/libavformat/g723_1.c')
| -rw-r--r-- | ffmpeg/libavformat/g723_1.c | 86 |
1 files changed, 0 insertions, 86 deletions
diff --git a/ffmpeg/libavformat/g723_1.c b/ffmpeg/libavformat/g723_1.c deleted file mode 100644 index 4f3ce8f..0000000 --- a/ffmpeg/libavformat/g723_1.c +++ /dev/null @@ -1,86 +0,0 @@ -/* - * G.723.1 demuxer - * Copyright (c) 2010 Mohamed Naufal Basheer - * - * 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 - */ - -/** - * @file - * G.723.1 demuxer - */ - -#include "libavutil/attributes.h" -#include "libavutil/channel_layout.h" -#include "avformat.h" -#include "internal.h" - -static const uint8_t frame_size[4] = { 24, 20, 4, 1 }; - -static av_cold int g723_1_init(AVFormatContext *s) -{ - AVStream *st; - - st = avformat_new_stream(s, NULL); - if (!st) - return AVERROR(ENOMEM); - - st->codec->codec_type = AVMEDIA_TYPE_AUDIO; - st->codec->codec_id = AV_CODEC_ID_G723_1; - st->codec->channel_layout = AV_CH_LAYOUT_MONO; - st->codec->channels = 1; - st->codec->sample_rate = 8000; - - avpriv_set_pts_info(st, 64, 1, st->codec->sample_rate); - st->start_time = 0; - - return 0; -} - -static int g723_1_read_packet(AVFormatContext *s, AVPacket *pkt) -{ - int size, byte, ret; - - pkt->pos = avio_tell(s->pb); - byte = avio_r8(s->pb); - size = frame_size[byte & 3]; - - ret = av_new_packet(pkt, size); - if (ret < 0) - return ret; - - pkt->data[0] = byte; - pkt->duration = 240; - pkt->stream_index = 0; - - ret = avio_read(s->pb, pkt->data + 1, size - 1); - if (ret < size - 1) { - av_free_packet(pkt); - return ret < 0 ? ret : AVERROR_EOF; - } - - return pkt->size; -} - -AVInputFormat ff_g723_1_demuxer = { - .name = "g723_1", - .long_name = NULL_IF_CONFIG_SMALL("G.723.1"), - .read_header = g723_1_init, - .read_packet = g723_1_read_packet, - .extensions = "tco,rco,g723_1", - .flags = AVFMT_GENERIC_INDEX -}; |
