* Ogg muxer
* Copyright (c) 2007 Baptiste Coudurier <baptiste dot coudurier at free dot fr>
*
- * 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
*/
#include "libavutil/crc.h"
+#include "libavutil/mathematics.h"
#include "libavutil/random_seed.h"
#include "libavcodec/xiph.h"
#include "libavcodec/bytestream.h"
static void ogg_update_checksum(AVFormatContext *s, AVIOContext *pb, int64_t crc_offset)
{
- int64_t pos = url_ftell(pb);
- uint32_t checksum = get_checksum(pb);
- url_fseek(pb, crc_offset, SEEK_SET);
+ int64_t pos = avio_tell(pb);
+ uint32_t checksum = ffio_get_checksum(pb);
+ avio_seek(pb, crc_offset, SEEK_SET);
avio_wb32(pb, checksum);
- url_fseek(pb, pos, SEEK_SET);
+ avio_seek(pb, pos, SEEK_SET);
}
static int ogg_write_page(AVFormatContext *s, OGGPage *page, int extra_flags)
int ret, size;
uint8_t *buf;
- ret = url_open_dyn_buf(&pb);
+ ret = avio_open_dyn_buf(&pb);
if (ret < 0)
return ret;
- init_checksum(pb, ff_crc04C11DB7_update, 0);
+ ffio_init_checksum(pb, ff_crc04C11DB7_update, 0);
ffio_wfourcc(pb, "OggS");
avio_w8(pb, 0);
avio_w8(pb, page->flags | extra_flags);
avio_wl64(pb, page->granule);
avio_wl32(pb, oggstream->serial_num);
avio_wl32(pb, oggstream->page_counter++);
- crc_offset = url_ftell(pb);
+ crc_offset = avio_tell(pb);
avio_wl32(pb, 0); // crc
avio_w8(pb, page->segments_count);
avio_write(pb, page->segments, page->segments_count);
avio_write(pb, page->data, page->size);
ogg_update_checksum(s, pb, crc_offset);
- put_flush_packet(pb);
+ avio_flush(pb);
- size = url_close_dyn_buf(pb, &buf);
+ size = avio_close_dyn_buf(pb, &buf);
if (size < 0)
return size;
avio_write(s->pb, buf, size);
- put_flush_packet(s->pb);
+ avio_flush(s->pb);
av_free(buf);
oggstream->page_count--;
return 0;
}
static uint8_t *ogg_write_vorbiscomment(int offset, int bitexact,
- int *header_len, AVMetadata **m, int framing_bit)
+ int *header_len, AVDictionary **m, int framing_bit)
{
const char *vendor = bitexact ? "ffmpeg" : LIBAVFORMAT_IDENT;
int size;
static int ogg_build_flac_headers(AVCodecContext *avctx,
OGGStreamContext *oggstream, int bitexact,
- AVMetadata **m)
+ AVDictionary **m)
{
enum FLACExtradataFormat format;
uint8_t *streaminfo;
static int ogg_build_speex_headers(AVCodecContext *avctx,
OGGStreamContext *oggstream, int bitexact,
- AVMetadata **m)
+ AVDictionary **m)
{
uint8_t *p;
}
AVOutputFormat ff_ogg_muxer = {
- "ogg",
- NULL_IF_CONFIG_SMALL("Ogg"),
- "application/ogg",
- "ogg,ogv,spx",
- sizeof(OGGContext),
- CODEC_ID_FLAC,
- CODEC_ID_THEORA,
- ogg_write_header,
- ogg_write_packet,
- ogg_write_trailer,
+ .name = "ogg",
+ .long_name = NULL_IF_CONFIG_SMALL("Ogg"),
+ .mime_type = "application/ogg",
+ .extensions = "ogg,ogv,spx",
+ .priv_data_size = sizeof(OGGContext),
+ .audio_codec = CODEC_ID_FLAC,
+ .video_codec = CODEC_ID_THEORA,
+ .write_header = ogg_write_header,
+ .write_packet = ogg_write_packet,
+ .write_trailer = ogg_write_trailer,
};