32f60d07a3
LGP devices are devices that induce anger in any sane developer because they're prone to bad audio timestamps when using their decoded data directly. For that reason, add a hack that smooths the timestamps within a large threshold to prevent audio skipping.
76 lines
2.1 KiB
C
76 lines
2.1 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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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <obs.h>
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#ifdef _MSC_VER
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#pragma warning(push)
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#pragma warning(disable : 4244)
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#pragma warning(disable : 4204)
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#endif
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#include <libavcodec/avcodec.h>
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#include <libavutil/log.h>
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#ifdef _MSC_VER
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#pragma warning(pop)
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#endif
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struct ffmpeg_decode {
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AVCodecContext *decoder;
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AVCodec *codec;
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AVFrame *frame;
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uint8_t *packet_buffer;
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size_t packet_size;
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uint64_t lgp_start_ts;
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uint64_t lgp_frames_since_start;
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uint64_t lgp_next_expected_ts;
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bool lgp_started;
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bool fix_braindead_lgp_audio_packet_stupidity;
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};
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extern int ffmpeg_decode_init(struct ffmpeg_decode *decode, enum AVCodecID id);
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extern void ffmpeg_decode_free(struct ffmpeg_decode *decode);
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extern int ffmpeg_decode_audio(struct ffmpeg_decode *decode,
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uint8_t *data, size_t size, long long *ts,
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struct obs_source_audio *audio,
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bool *got_output);
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extern int ffmpeg_decode_video(struct ffmpeg_decode *decode,
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uint8_t *data, size_t size, long long *ts,
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struct obs_source_frame *frame,
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bool *got_output);
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static inline bool ffmpeg_decode_valid(struct ffmpeg_decode *decode)
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{
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return decode->decoder != NULL;
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}
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#ifdef __cplusplus
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}
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#endif
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