* AVS demuxer.
* Copyright (c) 2006 Aurelien Jacobs <aurel@gnuage.org>
*
- * 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
*/
s->ctx_flags |= AVFMTCTX_NOHEADER;
- url_fskip(s->pb, 4);
- avs->width = get_le16(s->pb);
- avs->height = get_le16(s->pb);
- avs->bits_per_sample = get_le16(s->pb);
- avs->fps = get_le16(s->pb);
- avs->nb_frames = get_le32(s->pb);
+ avio_skip(s->pb, 4);
+ avs->width = avio_rl16(s->pb);
+ avs->height = avio_rl16(s->pb);
+ avs->bits_per_sample = avio_rl16(s->pb);
+ avs->fps = avio_rl16(s->pb);
+ avs->nb_frames = avio_rl32(s->pb);
avs->remaining_frame_size = 0;
avs->remaining_audio_size = 0;
pkt->data[palette_size + 1] = type;
pkt->data[palette_size + 2] = size & 0xFF;
pkt->data[palette_size + 3] = (size >> 8) & 0xFF;
- ret = get_buffer(s->pb, pkt->data + palette_size + 4, size - 4) + 4;
+ ret = avio_read(s->pb, pkt->data + palette_size + 4, size - 4) + 4;
if (ret < size) {
av_free_packet(pkt);
return AVERROR(EIO);
AvsFormat *avs = s->priv_data;
int ret, size;
- size = url_ftell(s->pb);
+ size = avio_tell(s->pb);
ret = voc_get_packet(s, pkt, avs->st_audio, avs->remaining_audio_size);
- size = url_ftell(s->pb) - size;
+ size = avio_tell(s->pb) - size;
avs->remaining_audio_size -= size;
if (ret == AVERROR(EIO))
while (1) {
if (avs->remaining_frame_size <= 0) {
- if (!get_le16(s->pb)) /* found EOF */
+ if (!avio_rl16(s->pb)) /* found EOF */
return AVERROR(EIO);
- avs->remaining_frame_size = get_le16(s->pb) - 4;
+ avs->remaining_frame_size = avio_rl16(s->pb) - 4;
}
while (avs->remaining_frame_size > 0) {
- sub_type = get_byte(s->pb);
- type = get_byte(s->pb);
- size = get_le16(s->pb);
+ sub_type = avio_r8(s->pb);
+ type = avio_r8(s->pb);
+ size = avio_rl16(s->pb);
+ if (size < 4)
+ return AVERROR_INVALIDDATA;
avs->remaining_frame_size -= size;
switch (type) {
case AVS_PALETTE:
- ret = get_buffer(s->pb, palette, size - 4);
+ if (size - 4 > sizeof(palette))
+ return AVERROR_INVALIDDATA;
+ ret = avio_read(s->pb, palette, size - 4);
if (ret < size - 4)
return AVERROR(EIO);
palette_size = size;
case AVS_VIDEO:
if (!avs->st_video) {
- avs->st_video = av_new_stream(s, AVS_VIDEO);
+ avs->st_video = avformat_new_stream(s, NULL);
if (avs->st_video == NULL)
return AVERROR(ENOMEM);
avs->st_video->codec->codec_type = AVMEDIA_TYPE_VIDEO;
case AVS_AUDIO:
if (!avs->st_audio) {
- avs->st_audio = av_new_stream(s, AVS_AUDIO);
+ avs->st_audio = avformat_new_stream(s, NULL);
if (avs->st_audio == NULL)
return AVERROR(ENOMEM);
avs->st_audio->codec->codec_type = AVMEDIA_TYPE_AUDIO;
break;
default:
- url_fskip(s->pb, size - 4);
+ avio_skip(s->pb, size - 4);
}
}
}
return 0;
}
-AVInputFormat avs_demuxer = {
- "avs",
- NULL_IF_CONFIG_SMALL("AVS format"),
- sizeof(AvsFormat),
- avs_probe,
- avs_read_header,
- avs_read_packet,
- avs_read_close,
+AVInputFormat ff_avs_demuxer = {
+ .name = "avs",
+ .long_name = NULL_IF_CONFIG_SMALL("AVS format"),
+ .priv_data_size = sizeof(AvsFormat),
+ .read_probe = avs_probe,
+ .read_header = avs_read_header,
+ .read_packet = avs_read_packet,
+ .read_close = avs_read_close,
};