* AVC helper functions for muxers
* Copyright (c) 2006 Baptiste Coudurier <baptiste.coudurier@smartjog.com>
*
- * 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
*/
return out;
}
-int ff_avc_parse_nal_units(ByteIOContext *pb, const uint8_t *buf_in, int size)
+int ff_avc_parse_nal_units(AVIOContext *pb, const uint8_t *buf_in, int size)
{
const uint8_t *p = buf_in;
const uint8_t *end = p + size;
while (nal_start < end) {
while(!*(nal_start++));
nal_end = ff_avc_find_startcode(nal_start, end);
- put_be32(pb, nal_end - nal_start);
- put_buffer(pb, nal_start, nal_end - nal_start);
+ avio_wb32(pb, nal_end - nal_start);
+ avio_write(pb, nal_start, nal_end - nal_start);
size += 4 + nal_end - nal_start;
nal_start = nal_end;
}
int ff_avc_parse_nal_units_buf(const uint8_t *buf_in, uint8_t **buf, int *size)
{
- ByteIOContext *pb;
- int ret = url_open_dyn_buf(&pb);
+ AVIOContext *pb;
+ int ret = avio_open_dyn_buf(&pb);
if(ret < 0)
return ret;
ff_avc_parse_nal_units(pb, buf_in, *size);
av_freep(buf);
- *size = url_close_dyn_buf(pb, buf);
+ *size = avio_close_dyn_buf(pb, buf);
return 0;
}
-int ff_isom_write_avcc(ByteIOContext *pb, const uint8_t *data, int len)
+int ff_isom_write_avcc(AVIOContext *pb, const uint8_t *data, int len)
{
if (len > 6) {
/* check for h264 start code */
assert(sps);
assert(pps);
- put_byte(pb, 1); /* version */
- put_byte(pb, sps[1]); /* profile */
- put_byte(pb, sps[2]); /* profile compat */
- put_byte(pb, sps[3]); /* level */
- put_byte(pb, 0xff); /* 6 bits reserved (111111) + 2 bits nal size length - 1 (11) */
- put_byte(pb, 0xe1); /* 3 bits reserved (111) + 5 bits number of sps (00001) */
-
- put_be16(pb, sps_size);
- put_buffer(pb, sps, sps_size);
- put_byte(pb, 1); /* number of pps */
- put_be16(pb, pps_size);
- put_buffer(pb, pps, pps_size);
+ avio_w8(pb, 1); /* version */
+ avio_w8(pb, sps[1]); /* profile */
+ avio_w8(pb, sps[2]); /* profile compat */
+ avio_w8(pb, sps[3]); /* level */
+ avio_w8(pb, 0xff); /* 6 bits reserved (111111) + 2 bits nal size length - 1 (11) */
+ avio_w8(pb, 0xe1); /* 3 bits reserved (111) + 5 bits number of sps (00001) */
+
+ avio_wb16(pb, sps_size);
+ avio_write(pb, sps, sps_size);
+ avio_w8(pb, 1); /* number of pps */
+ avio_wb16(pb, pps_size);
+ avio_write(pb, pps, pps_size);
av_free(start);
} else {
- put_buffer(pb, data, len);
+ avio_write(pb, data, len);
}
}
return 0;