Revision f1b94134a4b879bc55c3dacdb496690c8ebdc03f authored by Vikram Fugro on 11 March 2016, 12:16:11 UTC, committed by Jean-Baptiste Kempf on 11 March 2016, 14:57:34 UTC
Allocate the output vlc pictures with dimensions padded, as requested by the decoder (for alignments). This further increases the chances of direct rendering. Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>
1 parent 6c813cb
scte18.h
/*****************************************************************************
* scte18.h : SCTE-18 EAS decoder
*****************************************************************************
* Copyright (C) 2016 - VideoLAN Authors
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 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 Lesser 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/>.
*****************************************************************************/
#ifndef VLC_SCTE18_H
#define VLC_SCTE18_H
#define SCTE18_SI_BASE_PID 0x1FFB
#define SCTE18_TABLE_ID 0xD8
#define SCTE18_DESCRIPTION N_("Emergency Alert Messaging for Cable")
enum
{
EAS_PRIORITY_TEST = 0,
EAS_PRIORITY_LOW = 3,
EAS_PRIORITY_MEDIUM = 7,
EAS_PRIORITY_HIGH = 11,
EAS_PRIORITY_MAX = 15
};
/* Get priority without decoding
*/
static inline int scte18_get_EAS_priority( const uint8_t *p_buffer, size_t i_buffer )
{
if( i_buffer < 17 || p_buffer[0] )
return -1;
size_t i_offset = 6;
size_t i_len = p_buffer[i_offset]; /* EAS code Len */
i_offset += i_len + 1; /* EAS code Text */
if( i_offset >= i_buffer )
return -1;
i_len = p_buffer[i_offset]; /* NOA Len */
i_offset += i_len + 1; /* NOA Text */
i_offset += 1 + 4 + 2 + 1;
if( i_offset >= i_buffer )
return -1;
return (p_buffer[i_offset] & 0x0f);
}
#endif
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