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55f35d1d89
The spec for nal_ref_idc doesn't indicate that it should be used for priority like x264 seems to be using it for. NVENC seems to pass different values, so let's not rely on it. The new scheme might be naive, but we can iterate on it, and apply evenly to all H.264 encoders.
60 lines
1.8 KiB
C
60 lines
1.8 KiB
C
/******************************************************************************
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Copyright (C) 2014 by Hugh Bailey <obs.jim@gmail.com>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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******************************************************************************/
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#pragma once
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#include "obs-nal.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct encoder_packet;
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enum {
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OBS_NAL_UNKNOWN = 0,
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OBS_NAL_SLICE = 1,
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OBS_NAL_SLICE_DPA = 2,
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OBS_NAL_SLICE_DPB = 3,
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OBS_NAL_SLICE_DPC = 4,
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OBS_NAL_SLICE_IDR = 5,
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OBS_NAL_SEI = 6,
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OBS_NAL_SPS = 7,
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OBS_NAL_PPS = 8,
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OBS_NAL_AUD = 9,
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OBS_NAL_FILLER = 12,
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};
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/* Helpers for parsing AVC NAL units. */
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EXPORT bool obs_avc_keyframe(const uint8_t *data, size_t size);
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EXPORT const uint8_t *obs_avc_find_startcode(const uint8_t *p,
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const uint8_t *end);
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EXPORT void obs_parse_avc_packet(struct encoder_packet *avc_packet,
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const struct encoder_packet *src);
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EXPORT size_t obs_parse_avc_header(uint8_t **header, const uint8_t *data,
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size_t size);
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EXPORT void obs_extract_avc_headers(const uint8_t *packet, size_t size,
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uint8_t **new_packet_data,
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size_t *new_packet_size,
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uint8_t **header_data, size_t *header_size,
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uint8_t **sei_data, size_t *sei_size);
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#ifdef __cplusplus
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}
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#endif
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