GCC Code Coverage Report
Directory: ../../../ffmpeg/ Exec Total Coverage
File: src/libavcodec/mpeg_er.c Lines: 70 77 90.9 %
Date: 2019-11-22 03:34:36 Branches: 10 14 71.4 %

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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#include "error_resilience.h"
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#include "mpegvideo.h"
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#include "mpeg_er.h"
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32478
static void set_erpic(ERPicture *dst, Picture *src)
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{
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    int i;
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32478
    memset(dst, 0, sizeof(*dst));
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32478
    if (!src) {
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287
        dst->f  = NULL;
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287
        dst->tf = NULL;
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287
        return;
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    }
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32191
    dst->f = src->f;
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32191
    dst->tf = &src->tf;
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96573
    for (i = 0; i < 2; i++) {
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64382
        dst->motion_val[i] = src->motion_val[i];
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64382
        dst->ref_index[i] = src->ref_index[i];
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    }
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32191
    dst->mb_type = src->mb_type;
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32191
    dst->field_picture = src->field_picture;
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}
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10826
void ff_mpeg_er_frame_start(MpegEncContext *s)
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{
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10826
    ERContext *er = &s->er;
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10826
    set_erpic(&er->cur_pic,  s->current_picture_ptr);
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10826
    set_erpic(&er->next_pic, s->next_picture_ptr);
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10826
    set_erpic(&er->last_pic, s->last_picture_ptr);
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10826
    er->pp_time           = s->pp_time;
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10826
    er->pb_time           = s->pb_time;
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10826
    er->quarter_sample    = s->quarter_sample;
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10826
    er->partitioned_frame = s->partitioned_frame;
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10826
    ff_er_frame_start(er);
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10826
}
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59062
static void mpeg_er_decode_mb(void *opaque, int ref, int mv_dir, int mv_type,
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                              int (*mv)[2][4][2], int mb_x, int mb_y,
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                              int mb_intra, int mb_skipped)
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{
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59062
    MpegEncContext *s = opaque;
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68
59062
    s->mv_dir     = mv_dir;
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59062
    s->mv_type    = mv_type;
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59062
    s->mb_intra   = mb_intra;
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59062
    s->mb_skipped = mb_skipped;
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59062
    s->mb_x       = mb_x;
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59062
    s->mb_y       = mb_y;
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59062
    s->mcsel      = 0;
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59062
    memcpy(s->mv, mv, sizeof(*mv));
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77
59062
    ff_init_block_index(s);
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59062
    ff_update_block_index(s);
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80
59062
    s->bdsp.clear_blocks(s->block[0]);
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59062
    if (!s->chroma_y_shift)
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        s->bdsp.clear_blocks(s->block[6]);
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84
59062
    s->dest[0] = s->current_picture.f->data[0] +
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59062
                 s->mb_y * 16 * s->linesize +
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59062
                 s->mb_x * 16;
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59062
    s->dest[1] = s->current_picture.f->data[1] +
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59062
                 s->mb_y * (16 >> s->chroma_y_shift) * s->uvlinesize +
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59062
                 s->mb_x * (16 >> s->chroma_x_shift);
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59062
    s->dest[2] = s->current_picture.f->data[2] +
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59062
                 s->mb_y * (16 >> s->chroma_y_shift) * s->uvlinesize +
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59062
                 s->mb_x * (16 >> s->chroma_x_shift);
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59062
    if (ref)
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        av_log(s->avctx, AV_LOG_DEBUG,
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               "Interlaced error concealment is not fully implemented\n");
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59062
    ff_mpv_reconstruct_mb(s, s->block);
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59062
}
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100
782
int ff_mpeg_er_init(MpegEncContext *s)
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{
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782
    ERContext *er = &s->er;
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782
    int mb_array_size = s->mb_height * s->mb_stride;
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    int i;
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782
    er->avctx       = s->avctx;
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108
782
    er->mb_index2xy = s->mb_index2xy;
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782
    er->mb_num      = s->mb_num;
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782
    er->mb_width    = s->mb_width;
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782
    er->mb_height   = s->mb_height;
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782
    er->mb_stride   = s->mb_stride;
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782
    er->b8_stride   = s->b8_stride;
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115
782
    er->er_temp_buffer     = av_malloc(s->mb_height * s->mb_stride * (4*sizeof(int) + 1));
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782
    er->error_status_table = av_mallocz(mb_array_size);
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782
    if (!er->er_temp_buffer || !er->error_status_table)
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        goto fail;
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120
782
    er->mbskip_table  = s->mbskip_table;
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782
    er->mbintra_table = s->mbintra_table;
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3128
    for (i = 0; i < FF_ARRAY_ELEMS(s->dc_val); i++)
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2346
        er->dc_val[i] = s->dc_val[i];
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126
782
    er->decode_mb = mpeg_er_decode_mb;
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782
    er->opaque    = s;
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129
782
    return 0;
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fail:
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    av_freep(&er->er_temp_buffer);
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    av_freep(&er->error_status_table);
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    return AVERROR(ENOMEM);
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}