mirror of
https://github.com/obsproject/obs-studio.git
synced 2024-07-14 23:34:08 +00:00
9f97b02c32
Added obs_avc_keyframe that returns whether an avc packet is a keyframe or not. This function is particularly useful for when writing custom encoder plugins.
62 lines
1.8 KiB
C
62 lines
1.8 KiB
C
/******************************************************************************
|
|
Copyright (C) 2014 by Hugh Bailey <obs.jim@gmail.com>
|
|
|
|
This program is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program 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 General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
******************************************************************************/
|
|
|
|
#pragma once
|
|
|
|
#include "util/c99defs.h"
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
struct encoder_packet;
|
|
|
|
enum {
|
|
OBS_NAL_UNKNOWN = 0,
|
|
OBS_NAL_SLICE = 1,
|
|
OBS_NAL_SLICE_DPA = 2,
|
|
OBS_NAL_SLICE_DPB = 3,
|
|
OBS_NAL_SLICE_DPC = 4,
|
|
OBS_NAL_SLICE_IDR = 5,
|
|
OBS_NAL_SEI = 6,
|
|
OBS_NAL_SPS = 7,
|
|
OBS_NAL_PPS = 8,
|
|
OBS_NAL_AUD = 9,
|
|
OBS_NAL_FILLER = 12,
|
|
};
|
|
|
|
enum {
|
|
OBS_NAL_PRIORITY_DISPOSABLE = 0,
|
|
OBS_NAL_PRIORITY_LOW = 1,
|
|
OBS_NAL_PRIORITY_HIGH = 2,
|
|
OBS_NAL_PRIORITY_HIGHEST = 3,
|
|
};
|
|
|
|
/* Helpers for parsing AVC NAL units. */
|
|
|
|
EXPORT bool obs_avc_keyframe(const uint8_t *data, size_t size);
|
|
EXPORT const uint8_t *obs_avc_find_startcode(const uint8_t *p,
|
|
const uint8_t *end);
|
|
EXPORT void obs_parse_avc_packet(struct encoder_packet *avc_packet,
|
|
const struct encoder_packet *src);
|
|
EXPORT size_t obs_parse_avc_header(uint8_t **header, const uint8_t *data,
|
|
size_t size);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|