mirror of
https://github.com/moonlight-stream/moonlight-embedded.git
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87 lines
2.3 KiB
C
87 lines
2.3 KiB
C
/*
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* h264bitstream - a library for reading and writing H.264 video
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* Copyright (C) 2005-2007 Auroras Entertainment, LLC
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* Copyright (C) 2008-2011 Avail-TVN
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*
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* Written by Alex Izvorski <aizvorski@gmail.com> and Alex Giladi <alex.giladi@gmail.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "bs.h"
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#include "h264_stream.h"
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#include "h264_sei.h"
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#include <stdio.h>
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#include <stdlib.h> // malloc
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#include <string.h> // memset
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sei_t* sei_new()
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{
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sei_t* s = (sei_t*)malloc(sizeof(sei_t));
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memset(s, 0, sizeof(sei_t));
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s->payload = NULL;
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return s;
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}
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void sei_free(sei_t* s)
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{
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if ( s->payload != NULL ) free(s->payload);
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free(s);
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}
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void read_sei_end_bits(h264_stream_t* h, bs_t* b )
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{
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// if the message doesn't end at a byte border
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if ( !bs_byte_aligned( b ) )
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{
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if ( !bs_read_u1( b ) ) fprintf(stderr, "WARNING: bit_equal_to_one is 0!!!!\n");
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while ( ! bs_byte_aligned( b ) )
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{
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if ( bs_read_u1( b ) ) fprintf(stderr, "WARNING: bit_equal_to_zero is 1!!!!\n");
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}
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}
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read_rbsp_trailing_bits(h, b);
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}
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// D.1 SEI payload syntax
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void read_sei_payload(h264_stream_t* h, bs_t* b, int payloadType, int payloadSize)
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{
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sei_t* s = h->sei;
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s->payload = (uint8_t*)malloc(payloadSize);
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int i;
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for ( i = 0; i < payloadSize; i++ )
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s->payload[i] = bs_read_u(b, 8);
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//read_sei_end_bits(h, b);
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}
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// D.1 SEI payload syntax
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void write_sei_payload(h264_stream_t* h, bs_t* b, int payloadType, int payloadSize)
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{
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sei_t* s = h->sei;
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int i;
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for ( i = 0; i < s->payloadSize; i++ )
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bs_write_u(b, 8, s->payload[i]);
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}
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