GCC Code Coverage Report
Directory: ../../../ffmpeg/ Exec Total Coverage
File: src/libavcodec/sipr_parser.c Lines: 13 21 61.9 %
Date: 2020-09-25 23:16:12 Branches: 2 10 20.0 %

Line Branch Exec Source
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/*
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 * This file is part of FFmpeg.
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 *
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 * FFmpeg 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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 * FFmpeg 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 FFmpeg; if not, write to the Free Software
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 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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 */
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/**
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 * @file
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 * Sipr audio parser
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 */
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#include "parser.h"
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typedef struct SiprParserContext{
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    ParseContext pc;
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} SiprParserContext;
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static int sipr_split(AVCodecContext *avctx, const uint8_t *buf, int buf_size)
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{
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    int next;
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    switch (avctx->block_align) {
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    case 20:
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    case 19:
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    case 29:
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    case 37: next = avctx->block_align; break;
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    default:
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        if      (avctx->bit_rate > 12200) next = 20;
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        else if (avctx->bit_rate > 7500 ) next = 19;
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        else if (avctx->bit_rate > 5750 ) next = 29;
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        else                              next = 37;
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    }
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    return FFMIN(next, buf_size);
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}
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static int sipr_parse(AVCodecParserContext *s1, AVCodecContext *avctx,
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                      const uint8_t **poutbuf, int *poutbuf_size,
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                      const uint8_t *buf, int buf_size)
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{
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    SiprParserContext *s = s1->priv_data;
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    ParseContext *pc = &s->pc;
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    int next;
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    next = sipr_split(avctx, buf, buf_size);
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    if (ff_combine_frame(pc, next, &buf, &buf_size) < 0) {
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        *poutbuf = NULL;
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        *poutbuf_size = 0;
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        return buf_size;
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    }
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    *poutbuf      = buf;
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    *poutbuf_size = buf_size;
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    return next;
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}
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AVCodecParser ff_sipr_parser = {
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    .codec_ids      = { AV_CODEC_ID_SIPR },
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    .priv_data_size = sizeof(SiprParserContext),
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    .parser_parse   = sipr_parse,
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    .parser_close   = ff_parse_close,
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};