2 * This file is part of FFmpeg.
4 * FFmpeg is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
9 * FFmpeg is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with FFmpeg; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 #ifndef AVCODEC_PACKET_INTERNAL_H
20 #define AVCODEC_PACKET_INTERNAL_H
26 typedef struct PacketList {
28 struct PacketList *next;
32 * Append an AVPacket to the list.
34 * @param head List head element
35 * @param tail List tail element
36 * @param pkt The packet being appended. The data described in it will
37 * be made reference counted if it isn't already.
38 * @param copy A callback to copy the contents of the packet to the list.
39 May be null, in which case the packet's reference will be
41 * @return 0 on success, negative AVERROR value on failure. On failure,
42 the packet and the list are unchanged.
44 int avpriv_packet_list_put(PacketList **head, PacketList **tail,
46 int (*copy)(AVPacket *dst, const AVPacket *src),
50 * Remove the oldest AVPacket in the list and return it.
52 * @note The pkt will be overwritten completely on success. The caller
53 * owns the packet and must unref it by itself.
55 * @param head List head element
56 * @param tail List tail element
57 * @param pkt Pointer to an AVPacket struct
58 * @return 0 on success, and a packet is returned. AVERROR(EAGAIN) if
61 int avpriv_packet_list_get(PacketList **head, PacketList **tail,
65 * Wipe the list and unref all the packets in it.
67 * @param head List head element
68 * @param tail List tail element
70 void avpriv_packet_list_free(PacketList **head, PacketList **tail);
72 int ff_side_data_set_encoder_stats(AVPacket *pkt, int quality, int64_t *error, int error_count, int pict_type);
74 int ff_side_data_set_prft(AVPacket *pkt, int64_t timestamp);
76 #endif // AVCODEC_PACKET_INTERNAL_H