FFmpeg
packet_internal.h
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1 /*
2  * This file is part of FFmpeg.
3  *
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.
8  *
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.
13  *
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
17  */
18 
19 #ifndef AVCODEC_PACKET_INTERNAL_H
20 #define AVCODEC_PACKET_INTERNAL_H
21 
22 #include <stdint.h>
23 
24 #include "packet.h"
25 
26 typedef struct PacketList {
27  struct PacketList *next;
29 } PacketList;
30 
31 /**
32  * Append an AVPacket to the list.
33  *
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
40  moved to the list.
41  * @return 0 on success, negative AVERROR value on failure. On failure,
42  the packet and the list are unchanged.
43  */
45  AVPacket *pkt,
46  int (*copy)(AVPacket *dst, const AVPacket *src),
47  int flags);
48 
49 /**
50  * Remove the oldest AVPacket in the list and return it.
51  *
52  * @note The pkt will be overwritten completely on success. The caller
53  * owns the packet and must unref it by itself.
54  *
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
59  * the list was empty.
60  */
62  AVPacket *pkt);
63 
64 /**
65  * Wipe the list and unref all the packets in it.
66  *
67  * @param head List head element
68  * @param tail List tail element
69  */
70 void avpriv_packet_list_free(PacketList **head, PacketList **tail);
71 
72 int ff_side_data_set_encoder_stats(AVPacket *pkt, int quality, int64_t *error, int error_count, int pict_type);
73 
74 int ff_side_data_set_prft(AVPacket *pkt, int64_t timestamp);
75 
76 #endif // AVCODEC_PACKET_INTERNAL_H
error
static void error(const char *err)
Definition: target_bsf_fuzzer.c:31
PacketList
Definition: packet_internal.h:26
quality
trying all byte sequences megabyte in length and selecting the best looking sequence will yield cases to try But a word about quality
Definition: rate_distortion.txt:12
avpriv_packet_list_put
int avpriv_packet_list_put(PacketList **head, PacketList **tail, AVPacket *pkt, int(*copy)(AVPacket *dst, const AVPacket *src), int flags)
Append an AVPacket to the list.
Definition: avpacket.c:531
pkt
AVPacket * pkt
Definition: movenc.c:59
avpriv_packet_list_free
void avpriv_packet_list_free(PacketList **head, PacketList **tail)
Wipe the list and unref all the packets in it.
Definition: avpacket.c:587
src
#define src
Definition: vp8dsp.c:255
PacketList::next
struct PacketList * next
Definition: packet_internal.h:27
copy
static void copy(const float *p1, float *p2, const int length)
Definition: vf_vaguedenoiser.c:191
avpriv_packet_list_get
int avpriv_packet_list_get(PacketList **head, PacketList **tail, AVPacket *pkt)
Remove the oldest AVPacket in the list and return it.
Definition: avpacket.c:571
ff_side_data_set_prft
int ff_side_data_set_prft(AVPacket *pkt, int64_t timestamp)
Definition: avpacket.c:626
PacketList::pkt
AVPacket pkt
Definition: packet_internal.h:28
packet.h
ff_side_data_set_encoder_stats
int ff_side_data_set_encoder_stats(AVPacket *pkt, int quality, int64_t *error, int error_count, int pict_type)
Definition: avpacket.c:601
AVPacket
This structure stores compressed data.
Definition: packet.h:350
flags
#define flags(name, subs,...)
Definition: cbs_av1.c:561