* QCP format (.qcp) demuxer
* Copyright (c) 2009 Kenan Gillet
*
- * 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
*/
* @file
* QCP format (.qcp) demuxer
* @author Kenan Gillet
- * @sa RFC 3625: "The QCP File Format and Media Types for Speech Data"
+ * @see RFC 3625: "The QCP File Format and Media Types for Speech Data"
* http://tools.ietf.org/html/rfc3625
*/
+#include "libavutil/channel_layout.h"
#include "libavutil/intreadwrite.h"
#include "avformat.h"
-typedef struct {
+typedef struct QCPContext {
uint32_t data_size; ///< size of data chunk
#define QCP_MAX_MODE 4
return 0;
}
-static int qcp_read_header(AVFormatContext *s, AVFormatParameters *ap)
+static int qcp_read_header(AVFormatContext *s)
{
AVIOContext *pb = s->pb;
QCPContext *c = s->priv_data;
- AVStream *st = av_new_stream(s, 0);
+ AVStream *st = avformat_new_stream(s, NULL);
uint8_t buf[16];
int i, nb_rates;
return AVERROR(ENOMEM);
avio_rb32(pb); // "RIFF"
- s->file_size = avio_rl32(pb) + 8;
- avio_seek(pb, 8 + 4 + 1 + 1, SEEK_CUR); // "QLCMfmt " + chunk-size + major-version + minor-version
+ avio_skip(pb, 4 + 8 + 4 + 1 + 1); // filesize + "QLCMfmt " + chunk-size + major-version + minor-version
- st->codec->codec_type = AVMEDIA_TYPE_AUDIO;
- st->codec->channels = 1;
+ st->codecpar->codec_type = AVMEDIA_TYPE_AUDIO;
+ st->codecpar->channels = 1;
+ st->codecpar->channel_layout = AV_CH_LAYOUT_MONO;
avio_read(pb, buf, 16);
if (is_qcelp_13k_guid(buf)) {
- st->codec->codec_id = CODEC_ID_QCELP;
+ st->codecpar->codec_id = AV_CODEC_ID_QCELP;
} else if (!memcmp(buf, guid_evrc, 16)) {
- av_log(s, AV_LOG_ERROR, "EVRC codec is not supported.\n");
+ avpriv_report_missing_feature(s, "EVRC codec");
return AVERROR_PATCHWELCOME;
} else if (!memcmp(buf, guid_smv, 16)) {
- av_log(s, AV_LOG_ERROR, "SMV codec is not supported.\n");
+ avpriv_report_missing_feature(s, "SMV codec");
return AVERROR_PATCHWELCOME;
} else {
av_log(s, AV_LOG_ERROR, "Unknown codec GUID.\n");
return AVERROR_INVALIDDATA;
}
- avio_seek(pb, 2 + 80, SEEK_CUR); // codec-version + codec-name
- st->codec->bit_rate = avio_rl16(pb);
+ avio_skip(pb, 2 + 80); // codec-version + codec-name
+ st->codecpar->bit_rate = avio_rl16(pb);
s->packet_size = avio_rl16(pb);
- avio_seek(pb, 2, SEEK_CUR); // block-size
- st->codec->sample_rate = avio_rl16(pb);
- avio_seek(pb, 2, SEEK_CUR); // sample-size
+ avio_skip(pb, 2); // block-size
+ st->codecpar->sample_rate = avio_rl16(pb);
+ avio_skip(pb, 2); // sample-size
memset(c->rates_per_mode, -1, sizeof(c->rates_per_mode));
nb_rates = avio_rl32(pb);
} else
c->rates_per_mode[mode] = size;
}
- avio_seek(pb, 16 - 2*nb_rates + 20, SEEK_CUR); // empty entries of rate-map-table + reserved
+ avio_skip(pb, 16 - 2*nb_rates + 20); // empty entries of rate-map-table + reserved
return 0;
}
QCPContext *c = s->priv_data;
unsigned int chunk_size, tag;
- while(!url_feof(pb)) {
+ while(!pb->eof_reached) {
if (c->data_size) {
int pkt_size, ret, mode = avio_r8(pb);
case MKTAG('v', 'r', 'a', 't'):
if (avio_rl32(pb)) // var-rate-flag
s->packet_size = 0;
- avio_seek(pb, 4, SEEK_CUR); // size-in-packets
+ avio_skip(pb, 4); // size-in-packets
break;
case MKTAG('d', 'a', 't', 'a'):
c->data_size = chunk_size;
break;
default:
- avio_seek(pb, chunk_size, SEEK_CUR);
+ avio_skip(pb, chunk_size);
}
}
return AVERROR_EOF;
AVInputFormat ff_qcp_demuxer = {
.name = "qcp",
- .long_name = NULL_IF_CONFIG_SMALL("QCP format"),
+ .long_name = NULL_IF_CONFIG_SMALL("QCP"),
.priv_data_size = sizeof(QCPContext),
.read_probe = qcp_probe,
.read_header = qcp_read_header,