LCOV - code coverage report
Current view: top level - libavcodec - dvbtxt.h (source / functions) Hit Total Coverage
Test: coverage.info Lines: 2 5 40.0 %
Date: 2017-12-16 13:57:32 Functions: 1 2 50.0 %

          Line data    Source code
       1             : /*
       2             :  * DVB teletext common functions.
       3             :  *
       4             :  * This file is part of FFmpeg.
       5             :  *
       6             :  * FFmpeg is free software; you can redistribute it and/or
       7             :  * modify it under the terms of the GNU Lesser General Public
       8             :  * License as published by the Free Software Foundation; either
       9             :  * version 2.1 of the License, or (at your option) any later version.
      10             :  *
      11             :  * FFmpeg is distributed in the hope that it will be useful,
      12             :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      13             :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      14             :  * Lesser General Public License for more details.
      15             :  *
      16             :  * You should have received a copy of the GNU Lesser General Public
      17             :  * License along with FFmpeg; if not, write to the Free Software
      18             :  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
      19             :  */
      20             : 
      21             : #ifndef AVCODEC_DVBTXT_H
      22             : #define AVCODEC_DVBTXT_H
      23             : 
      24             : #include "libavutil/attributes.h"
      25             : 
      26             : /* Returns true if data identifier matches a teletext stream according to EN
      27             :  * 301 775 section 4.4.2 */
      28           2 : static av_always_inline int ff_data_identifier_is_teletext(int data_identifier)
      29             : {
      30           2 :     return (data_identifier >= 0x10 && data_identifier <= 0x1F ||
      31           0 :             data_identifier >= 0x99 && data_identifier <= 0x9B);
      32             : }
      33             : 
      34             : /* Returns true if data unit id matches EBU teletext data according to
      35             :  * EN 301 775 section 4.4.2 */
      36           0 : static av_always_inline int ff_data_unit_id_is_teletext(int data_unit_id)
      37             : {
      38           0 :     return (data_unit_id == 0x02 || data_unit_id == 0x03);
      39             : }
      40             : 
      41             : #endif /* AVCODEC_DVBTXT_H */

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