diff options
| author | Tim Redfern <tim@eclectronics.org> | 2014-02-17 13:36:38 +0000 |
|---|---|---|
| committer | Tim Redfern <tim@eclectronics.org> | 2014-02-17 13:36:38 +0000 |
| commit | 22e28216336da876e1fd17f380ce42eaf1446769 (patch) | |
| tree | 444dad3dc7e2656992d29f34f7bce31970c122a5 /ffmpeg/libavformat/adxdec.c | |
| parent | ae5e8541f6e06e64c28719467cdf366ac57aff31 (diff) | |
chasing indexing error
Diffstat (limited to 'ffmpeg/libavformat/adxdec.c')
| -rw-r--r-- | ffmpeg/libavformat/adxdec.c | 107 |
1 files changed, 0 insertions, 107 deletions
diff --git a/ffmpeg/libavformat/adxdec.c b/ffmpeg/libavformat/adxdec.c deleted file mode 100644 index fe22c3a..0000000 --- a/ffmpeg/libavformat/adxdec.c +++ /dev/null @@ -1,107 +0,0 @@ -/* - * Copyright (c) 2011 Justin Ruggles - * - * 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 - * CRI ADX demuxer - */ - -#include "libavutil/intreadwrite.h" -#include "libavcodec/adx.h" -#include "avformat.h" -#include "internal.h" - -#define BLOCK_SIZE 18 -#define BLOCK_SAMPLES 32 - -typedef struct ADXDemuxerContext { - int header_size; -} ADXDemuxerContext; - -static int adx_read_packet(AVFormatContext *s, AVPacket *pkt) -{ - ADXDemuxerContext *c = s->priv_data; - AVCodecContext *avctx = s->streams[0]->codec; - int ret, size; - - size = BLOCK_SIZE * avctx->channels; - - pkt->pos = avio_tell(s->pb); - pkt->stream_index = 0; - - ret = av_get_packet(s->pb, pkt, size); - if (ret != size) { - av_free_packet(pkt); - return ret < 0 ? ret : AVERROR(EIO); - } - if (AV_RB16(pkt->data) & 0x8000) { - av_free_packet(pkt); - return AVERROR_EOF; - } - pkt->size = size; - pkt->duration = 1; - pkt->pts = (pkt->pos - c->header_size) / size; - - return 0; -} - -static int adx_read_header(AVFormatContext *s) -{ - ADXDemuxerContext *c = s->priv_data; - AVCodecContext *avctx; - int ret; - - AVStream *st = avformat_new_stream(s, NULL); - if (!st) - return AVERROR(ENOMEM); - avctx = s->streams[0]->codec; - - if (avio_rb16(s->pb) != 0x8000) - return AVERROR_INVALIDDATA; - c->header_size = avio_rb16(s->pb) + 4; - avio_seek(s->pb, -4, SEEK_CUR); - - if (ff_get_extradata(avctx, s->pb, c->header_size) < 0) - return AVERROR(ENOMEM); - - ret = avpriv_adx_decode_header(avctx, avctx->extradata, - avctx->extradata_size, &c->header_size, - NULL); - if (ret) - return ret; - - st->codec->codec_type = AVMEDIA_TYPE_AUDIO; - st->codec->codec_id = s->iformat->raw_codec_id; - - avpriv_set_pts_info(st, 64, BLOCK_SAMPLES, avctx->sample_rate); - - return 0; -} - -AVInputFormat ff_adx_demuxer = { - .name = "adx", - .long_name = NULL_IF_CONFIG_SMALL("CRI ADX"), - .priv_data_size = sizeof(ADXDemuxerContext), - .read_header = adx_read_header, - .read_packet = adx_read_packet, - .extensions = "adx", - .raw_codec_id = AV_CODEC_ID_ADPCM_ADX, - .flags = AVFMT_GENERIC_INDEX, -}; |
