FFmpeg coverage

GCC Code Coverage Report

Directory:	../../../ffmpeg/		Exec	Total	Coverage
File:	src/libavcodec/h264_picture.c	Lines:	75	91	82.4 %
Date:	2020-04-02 05:41:20	Branches:	33	48	68.8 %


/*
 * H.26L/H.264/AVC/JVT/14496-10/... decoder
 * Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>
 *
 * This file is part of FFmpeg.
 *
 * FFmpeg 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.
 *
 * FFmpeg 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 Lesser General Public
 * License along with FFmpeg; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

/**
 * @file
 * H.264 / AVC / MPEG-4 part10 codec.
 * @author Michael Niedermayer <michaelni@gmx.at>
 */

#include "libavutil/avassert.h"
#include "libavutil/imgutils.h"
#include "internal.h"
#include "cabac.h"
#include "cabac_functions.h"
#include "error_resilience.h"
#include "avcodec.h"
#include "h264dec.h"
#include "h264data.h"
#include "h264chroma.h"
#include "h264_mvpred.h"
#include "mathops.h"
#include "mpegutils.h"
#include "rectangle.h"
#include "thread.h"

void ff_h264_unref_picture(H264Context *h, H264Picture *pic)
{
    int off = offsetof(H264Picture, tf) + sizeof(pic->tf);
    int i;

    if (!pic->f || !pic->f->buf[0])
        return;

    ff_thread_release_buffer(h->avctx, &pic->tf);
    av_buffer_unref(&pic->hwaccel_priv_buf);

    av_buffer_unref(&pic->qscale_table_buf);
    av_buffer_unref(&pic->mb_type_buf);
    for (i = 0; i < 2; i++) {
        av_buffer_unref(&pic->motion_val_buf[i]);
        av_buffer_unref(&pic->ref_index_buf[i]);
    }

    memset((uint8_t*)pic + off, 0, sizeof(*pic) - off);
}

int ff_h264_ref_picture(H264Context *h, H264Picture *dst, H264Picture *src)
{
    int ret, i;

    av_assert0(!dst->f->buf[0]);
    av_assert0(src->f->buf[0]);
    av_assert0(src->tf.f == src->f);

    dst->tf.f = dst->f;
    ret = ff_thread_ref_frame(&dst->tf, &src->tf);
    if (ret < 0)
        goto fail;

    dst->qscale_table_buf = av_buffer_ref(src->qscale_table_buf);
    dst->mb_type_buf      = av_buffer_ref(src->mb_type_buf);
    if (!dst->qscale_table_buf || !dst->mb_type_buf) {
        ret = AVERROR(ENOMEM);
        goto fail;
    }
    dst->qscale_table = src->qscale_table;
    dst->mb_type      = src->mb_type;

    for (i = 0; i < 2; i++) {
        dst->motion_val_buf[i] = av_buffer_ref(src->motion_val_buf[i]);
        dst->ref_index_buf[i]  = av_buffer_ref(src->ref_index_buf[i]);
        if (!dst->motion_val_buf[i] || !dst->ref_index_buf[i]) {
            ret = AVERROR(ENOMEM);
            goto fail;
        }
        dst->motion_val[i] = src->motion_val[i];
        dst->ref_index[i]  = src->ref_index[i];
    }

    if (src->hwaccel_picture_private) {
        dst->hwaccel_priv_buf = av_buffer_ref(src->hwaccel_priv_buf);
        if (!dst->hwaccel_priv_buf) {
            ret = AVERROR(ENOMEM);
            goto fail;
        }
        dst->hwaccel_picture_private = dst->hwaccel_priv_buf->data;
    }

    for (i = 0; i < 2; i++)
        dst->field_poc[i] = src->field_poc[i];

    memcpy(dst->ref_poc,   src->ref_poc,   sizeof(src->ref_poc));
    memcpy(dst->ref_count, src->ref_count, sizeof(src->ref_count));

    dst->poc           = src->poc;
    dst->frame_num     = src->frame_num;
    dst->mmco_reset    = src->mmco_reset;
    dst->long_ref      = src->long_ref;
    dst->mbaff         = src->mbaff;
    dst->field_picture = src->field_picture;
    dst->reference     = src->reference;
    dst->recovered     = src->recovered;
    dst->invalid_gap   = src->invalid_gap;
    dst->sei_recovery_frame_cnt = src->sei_recovery_frame_cnt;

    return 0;
fail:
    ff_h264_unref_picture(h, dst);
    return ret;
}

void ff_h264_set_erpic(ERPicture *dst, H264Picture *src)
{
#if CONFIG_ERROR_RESILIENCE
    int i;

    memset(dst, 0, sizeof(*dst));

    if (!src)
        return;

    dst->f = src->f;
    dst->tf = &src->tf;

    for (i = 0; i < 2; i++) {
        dst->motion_val[i] = src->motion_val[i];
        dst->ref_index[i] = src->ref_index[i];
    }

    dst->mb_type = src->mb_type;
    dst->field_picture = src->field_picture;
#endif /* CONFIG_ERROR_RESILIENCE */
}

int ff_h264_field_end(H264Context *h, H264SliceContext *sl, int in_setup)
{
    AVCodecContext *const avctx = h->avctx;
    int err = 0;
    h->mb_y = 0;

    if (in_setup || !(avctx->active_thread_type & FF_THREAD_FRAME)) {
        if (!h->droppable) {
            err = ff_h264_execute_ref_pic_marking(h);
            h->poc.prev_poc_msb = h->poc.poc_msb;
            h->poc.prev_poc_lsb = h->poc.poc_lsb;
        }
        h->poc.prev_frame_num_offset = h->poc.frame_num_offset;
        h->poc.prev_frame_num        = h->poc.frame_num;
    }

    if (avctx->hwaccel) {
        err = avctx->hwaccel->end_frame(avctx);
        if (err < 0)
            av_log(avctx, AV_LOG_ERROR,
                   "hardware accelerator failed to decode picture\n");
    }

    if (!in_setup && !h->droppable)
        ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX,
                                  h->picture_structure == PICT_BOTTOM_FIELD);
    emms_c();

    h->current_slice = 0;

    return err;
}


Generated by: GCOVR (Version 4.2)

Line	Branch	Exec	Source
1			/*
2			* H.26L/H.264/AVC/JVT/14496-10/... decoder
3			* Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>
4			*
5			* This file is part of FFmpeg.
6			*
7			* FFmpeg is free software; you can redistribute it and/or
8			* modify it under the terms of the GNU Lesser General Public
9			* License as published by the Free Software Foundation; either
10			* version 2.1 of the License, or (at your option) any later version.
11			*
12			* FFmpeg is distributed in the hope that it will be useful,
13			* but WITHOUT ANY WARRANTY; without even the implied warranty of
14			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15			* Lesser General Public License for more details.
16			*
17			* You should have received a copy of the GNU Lesser General Public
18			* License along with FFmpeg; if not, write to the Free Software
19			* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20			*/
21
22			/**
23			* @file
24			* H.264 / AVC / MPEG-4 part10 codec.
25			* @author Michael Niedermayer <michaelni@gmx.at>
26			*/
27
28			#include "libavutil/avassert.h"
29			#include "libavutil/imgutils.h"
30			#include "internal.h"
31			#include "cabac.h"
32			#include "cabac_functions.h"
33			#include "error_resilience.h"
34			#include "avcodec.h"
35			#include "h264dec.h"
36			#include "h264data.h"
37			#include "h264chroma.h"
38			#include "h264_mvpred.h"
39			#include "mathops.h"
40			#include "mpegutils.h"
41			#include "rectangle.h"
42			#include "thread.h"
43
44		121765	void ff_h264_unref_picture(H264Context h, H264Picture pic)
45			{
46		121765	int off = offsetof(H264Picture, tf) + sizeof(pic->tf);
47			int i;
48
49	✓✗✓✓	121765	if (!pic->f \|\| !pic->f->buf[0])
50		73817	return;
51
52		47948	ff_thread_release_buffer(h->avctx, &pic->tf);
53		47948	av_buffer_unref(&pic->hwaccel_priv_buf);
54
55		47948	av_buffer_unref(&pic->qscale_table_buf);
56		47948	av_buffer_unref(&pic->mb_type_buf);
57	✓✓	143844	for (i = 0; i < 2; i++) {
58		95896	av_buffer_unref(&pic->motion_val_buf[i]);
59		95896	av_buffer_unref(&pic->ref_index_buf[i]);
60			}
61
62		47948	memset((uint8_t)pic + off, 0, sizeof(pic) - off);
63			}
64
65		24603	int ff_h264_ref_picture(H264Context h, H264Picture dst, H264Picture *src)
66			{
67			int ret, i;
68
69	✗✓	24603	av_assert0(!dst->f->buf[0]);
70	✗✓	24603	av_assert0(src->f->buf[0]);
71	✗✓	24603	av_assert0(src->tf.f == src->f);
72
73		24603	dst->tf.f = dst->f;
74		24603	ret = ff_thread_ref_frame(&dst->tf, &src->tf);
75	✗✓	24603	if (ret < 0)
76			goto fail;
77
78		24603	dst->qscale_table_buf = av_buffer_ref(src->qscale_table_buf);
79		24603	dst->mb_type_buf = av_buffer_ref(src->mb_type_buf);
80	✓✗✗✓	24603	if (!dst->qscale_table_buf \|\| !dst->mb_type_buf) {
81			ret = AVERROR(ENOMEM);
82			goto fail;
83			}
84		24603	dst->qscale_table = src->qscale_table;
85		24603	dst->mb_type = src->mb_type;
86
87	✓✓	73809	for (i = 0; i < 2; i++) {
88		49206	dst->motion_val_buf[i] = av_buffer_ref(src->motion_val_buf[i]);
89		49206	dst->ref_index_buf[i] = av_buffer_ref(src->ref_index_buf[i]);
90	✓✗✗✓	49206	if (!dst->motion_val_buf[i] \|\| !dst->ref_index_buf[i]) {
91			ret = AVERROR(ENOMEM);
92			goto fail;
93			}
94		49206	dst->motion_val[i] = src->motion_val[i];
95		49206	dst->ref_index[i] = src->ref_index[i];
96			}
97
98	✗✓	24603	if (src->hwaccel_picture_private) {
99			dst->hwaccel_priv_buf = av_buffer_ref(src->hwaccel_priv_buf);
100			if (!dst->hwaccel_priv_buf) {
101			ret = AVERROR(ENOMEM);
102			goto fail;
103			}
104			dst->hwaccel_picture_private = dst->hwaccel_priv_buf->data;
105			}
106
107	✓✓	73809	for (i = 0; i < 2; i++)
108		49206	dst->field_poc[i] = src->field_poc[i];
109
110		24603	memcpy(dst->ref_poc, src->ref_poc, sizeof(src->ref_poc));
111		24603	memcpy(dst->ref_count, src->ref_count, sizeof(src->ref_count));
112
113		24603	dst->poc = src->poc;
114		24603	dst->frame_num = src->frame_num;
115		24603	dst->mmco_reset = src->mmco_reset;
116		24603	dst->long_ref = src->long_ref;
117		24603	dst->mbaff = src->mbaff;
118		24603	dst->field_picture = src->field_picture;
119		24603	dst->reference = src->reference;
120		24603	dst->recovered = src->recovered;
121		24603	dst->invalid_gap = src->invalid_gap;
122		24603	dst->sei_recovery_frame_cnt = src->sei_recovery_frame_cnt;
123
124		24603	return 0;
125			fail:
126			ff_h264_unref_picture(h, dst);
127			return ret;
128			}
129
130		124442	void ff_h264_set_erpic(ERPicture dst, H264Picture src)
131			{
132			#if CONFIG_ERROR_RESILIENCE
133			int i;
134
135		124442	memset(dst, 0, sizeof(*dst));
136
137	✓✓	124442	if (!src)
138		80040	return;
139
140		44402	dst->f = src->f;
141		44402	dst->tf = &src->tf;
142
143	✓✓	133206	for (i = 0; i < 2; i++) {
144		88804	dst->motion_val[i] = src->motion_val[i];
145		88804	dst->ref_index[i] = src->ref_index[i];
146			}
147
148		44402	dst->mb_type = src->mb_type;
149		44402	dst->field_picture = src->field_picture;
150			#endif /* CONFIG_ERROR_RESILIENCE */
151			}
152
153		25906	int ff_h264_field_end(H264Context h, H264SliceContext sl, int in_setup)
154			{
155		25906	AVCodecContext *const avctx = h->avctx;
156		25906	int err = 0;
157		25906	h->mb_y = 0;
158
159	✓✓✓✓	25906	if (in_setup \|\| !(avctx->active_thread_type & FF_THREAD_FRAME)) {
160	✓✓	25874	if (!h->droppable) {
161		16800	err = ff_h264_execute_ref_pic_marking(h);
162		16800	h->poc.prev_poc_msb = h->poc.poc_msb;
163		16800	h->poc.prev_poc_lsb = h->poc.poc_lsb;
164			}
165		25874	h->poc.prev_frame_num_offset = h->poc.frame_num_offset;
166		25874	h->poc.prev_frame_num = h->poc.frame_num;
167			}
168
169	✗✓	25906	if (avctx->hwaccel) {
170			err = avctx->hwaccel->end_frame(avctx);
171			if (err < 0)
172			av_log(avctx, AV_LOG_ERROR,
173			"hardware accelerator failed to decode picture\n");
174			}
175
176	✓✓✓✓	25906	if (!in_setup && !h->droppable)
177		16750	ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX,
178		16750	h->picture_structure == PICT_BOTTOM_FIELD);
179		25906	emms_c();
180
181		25906	h->current_slice = 0;
182
183		25906	return err;
184			}