X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavformat%2Fvocdec.c;h=eaa2f25492b90ccd876580974d7407e14313a99f;hb=80c6e238b0f42a0b07fbc195564a50032b3608ba;hp=59c84b705699ff00632003011c5bd39385987dd5;hpb=f61cbc22d3ce8ec0e2644d0fa565413c057deaa0;p=ffmpeg diff --git a/libavformat/vocdec.c b/libavformat/vocdec.c index 59c84b70569..eaa2f25492b 100644 --- a/libavformat/vocdec.c +++ b/libavformat/vocdec.c @@ -2,20 +2,20 @@ * Creative Voice File demuxer. * Copyright (c) 2006 Aurelien Jacobs * - * This file is part of FFmpeg. + * This file is part of Libav. * - * FFmpeg is free software; you can redistribute it and/or + * Libav 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, + * Libav 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 + * License along with Libav; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ @@ -41,17 +41,17 @@ static int voc_probe(AVProbeData *p) static int voc_read_header(AVFormatContext *s, AVFormatParameters *ap) { VocDecContext *voc = s->priv_data; - ByteIOContext *pb = s->pb; + AVIOContext *pb = s->pb; int header_size; AVStream *st; - url_fskip(pb, 20); - header_size = get_le16(pb) - 22; + avio_skip(pb, 20); + header_size = avio_rl16(pb) - 22; if (header_size != 4) { av_log(s, AV_LOG_ERROR, "unknown header size: %d\n", header_size); return AVERROR(ENOSYS); } - url_fskip(pb, header_size); + avio_skip(pb, header_size); st = av_new_stream(s, 0); if (!st) return AVERROR(ENOMEM); @@ -66,31 +66,31 @@ voc_get_packet(AVFormatContext *s, AVPacket *pkt, AVStream *st, int max_size) { VocDecContext *voc = s->priv_data; AVCodecContext *dec = st->codec; - ByteIOContext *pb = s->pb; + AVIOContext *pb = s->pb; VocType type; int size, tmp_codec=-1; int sample_rate = 0; int channels = 1; while (!voc->remaining_size) { - type = get_byte(pb); + type = avio_r8(pb); if (type == VOC_TYPE_EOF) return AVERROR(EIO); - voc->remaining_size = get_le24(pb); + voc->remaining_size = avio_rl24(pb); if (!voc->remaining_size) { - if (url_is_streamed(s->pb)) + if (!s->pb->seekable) return AVERROR(EIO); - voc->remaining_size = url_fsize(pb) - url_ftell(pb); + voc->remaining_size = avio_size(pb) - avio_tell(pb); } max_size -= 4; switch (type) { case VOC_TYPE_VOICE_DATA: - dec->sample_rate = 1000000 / (256 - get_byte(pb)); + dec->sample_rate = 1000000 / (256 - avio_r8(pb)); if (sample_rate) dec->sample_rate = sample_rate; dec->channels = channels; - tmp_codec = get_byte(pb); + tmp_codec = avio_r8(pb); dec->bits_per_coded_sample = av_get_bits_per_sample(dec->codec_id); voc->remaining_size -= 2; max_size -= 2; @@ -101,26 +101,26 @@ voc_get_packet(AVFormatContext *s, AVPacket *pkt, AVStream *st, int max_size) break; case VOC_TYPE_EXTENDED: - sample_rate = get_le16(pb); - get_byte(pb); - channels = get_byte(pb) + 1; + sample_rate = avio_rl16(pb); + avio_r8(pb); + channels = avio_r8(pb) + 1; sample_rate = 256000000 / (channels * (65536 - sample_rate)); voc->remaining_size = 0; max_size -= 4; break; case VOC_TYPE_NEW_VOICE_DATA: - dec->sample_rate = get_le32(pb); - dec->bits_per_coded_sample = get_byte(pb); - dec->channels = get_byte(pb); - tmp_codec = get_le16(pb); - url_fskip(pb, 4); + dec->sample_rate = avio_rl32(pb); + dec->bits_per_coded_sample = avio_r8(pb); + dec->channels = avio_r8(pb); + tmp_codec = avio_rl16(pb); + avio_skip(pb, 4); voc->remaining_size -= 12; max_size -= 12; break; default: - url_fskip(pb, voc->remaining_size); + avio_skip(pb, voc->remaining_size); max_size -= voc->remaining_size; voc->remaining_size = 0; break; @@ -156,7 +156,7 @@ static int voc_read_packet(AVFormatContext *s, AVPacket *pkt) return voc_get_packet(s, pkt, s->streams[0], 0); } -AVInputFormat voc_demuxer = { +AVInputFormat ff_voc_demuxer = { "voc", NULL_IF_CONFIG_SMALL("Creative Voice file format"), sizeof(VocDecContext),