FFmpeg coverage

GCC Code Coverage Report

Directory:	../../../ffmpeg/		Exec	Total	Coverage
File:	src/libavcodec/h264_picture.c	Lines:	81	97	83.5 %
Date:	2020-09-21 17:35:45	Branches:	34	50	68.0 %


/*
 * 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);
    av_buffer_unref(&pic->pps_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);
    dst->pps_buf          = av_buffer_ref(src->pps_buf);
    if (!dst->qscale_table_buf || !dst->mb_type_buf || !dst->pps_buf) {
        ret = AVERROR(ENOMEM);
        goto fail;
    }
    dst->qscale_table = src->qscale_table;
    dst->mb_type      = src->mb_type;
    dst->pps          = src->pps;

    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;
    dst->mb_width      = src->mb_width;
    dst->mb_height     = src->mb_height;
    dst->mb_stride     = src->mb_stride;

    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		121811	void ff_h264_unref_picture(H264Context h, H264Picture pic)
45			{
46		121811	int off = offsetof(H264Picture, tf) + sizeof(pic->tf);
47			int i;
48
49	✓✗✓✓	121811	if (!pic->f \|\| !pic->f->buf[0])
50		73861	return;
51
52		47950	ff_thread_release_buffer(h->avctx, &pic->tf);
53		47950	av_buffer_unref(&pic->hwaccel_priv_buf);
54
55		47950	av_buffer_unref(&pic->qscale_table_buf);
56		47950	av_buffer_unref(&pic->mb_type_buf);
57		47950	av_buffer_unref(&pic->pps_buf);
58	✓✓	143850	for (i = 0; i < 2; i++) {
59		95900	av_buffer_unref(&pic->motion_val_buf[i]);
60		95900	av_buffer_unref(&pic->ref_index_buf[i]);
61			}
62
63		47950	memset((uint8_t)pic + off, 0, sizeof(pic) - off);
64			}
65
66		24604	int ff_h264_ref_picture(H264Context h, H264Picture dst, H264Picture *src)
67			{
68			int ret, i;
69
70	✗✓	24604	av_assert0(!dst->f->buf[0]);
71	✗✓	24604	av_assert0(src->f->buf[0]);
72	✗✓	24604	av_assert0(src->tf.f == src->f);
73
74		24604	dst->tf.f = dst->f;
75		24604	ret = ff_thread_ref_frame(&dst->tf, &src->tf);
76	✗✓	24604	if (ret < 0)
77			goto fail;
78
79		24604	dst->qscale_table_buf = av_buffer_ref(src->qscale_table_buf);
80		24604	dst->mb_type_buf = av_buffer_ref(src->mb_type_buf);
81		24604	dst->pps_buf = av_buffer_ref(src->pps_buf);
82	✓✗✓✗ ✗✓	24604	if (!dst->qscale_table_buf \|\| !dst->mb_type_buf \|\| !dst->pps_buf) {
83			ret = AVERROR(ENOMEM);
84			goto fail;
85			}
86		24604	dst->qscale_table = src->qscale_table;
87		24604	dst->mb_type = src->mb_type;
88		24604	dst->pps = src->pps;
89
90	✓✓	73812	for (i = 0; i < 2; i++) {
91		49208	dst->motion_val_buf[i] = av_buffer_ref(src->motion_val_buf[i]);
92		49208	dst->ref_index_buf[i] = av_buffer_ref(src->ref_index_buf[i]);
93	✓✗✗✓	49208	if (!dst->motion_val_buf[i] \|\| !dst->ref_index_buf[i]) {
94			ret = AVERROR(ENOMEM);
95			goto fail;
96			}
97		49208	dst->motion_val[i] = src->motion_val[i];
98		49208	dst->ref_index[i] = src->ref_index[i];
99			}
100
101	✗✓	24604	if (src->hwaccel_picture_private) {
102			dst->hwaccel_priv_buf = av_buffer_ref(src->hwaccel_priv_buf);
103			if (!dst->hwaccel_priv_buf) {
104			ret = AVERROR(ENOMEM);
105			goto fail;
106			}
107			dst->hwaccel_picture_private = dst->hwaccel_priv_buf->data;
108			}
109
110	✓✓	73812	for (i = 0; i < 2; i++)
111		49208	dst->field_poc[i] = src->field_poc[i];
112
113		24604	memcpy(dst->ref_poc, src->ref_poc, sizeof(src->ref_poc));
114		24604	memcpy(dst->ref_count, src->ref_count, sizeof(src->ref_count));
115
116		24604	dst->poc = src->poc;
117		24604	dst->frame_num = src->frame_num;
118		24604	dst->mmco_reset = src->mmco_reset;
119		24604	dst->long_ref = src->long_ref;
120		24604	dst->mbaff = src->mbaff;
121		24604	dst->field_picture = src->field_picture;
122		24604	dst->reference = src->reference;
123		24604	dst->recovered = src->recovered;
124		24604	dst->invalid_gap = src->invalid_gap;
125		24604	dst->sei_recovery_frame_cnt = src->sei_recovery_frame_cnt;
126		24604	dst->mb_width = src->mb_width;
127		24604	dst->mb_height = src->mb_height;
128		24604	dst->mb_stride = src->mb_stride;
129
130		24604	return 0;
131			fail:
132			ff_h264_unref_picture(h, dst);
133			return ret;
134			}
135
136		124447	void ff_h264_set_erpic(ERPicture dst, H264Picture src)
137			{
138			#if CONFIG_ERROR_RESILIENCE
139			int i;
140
141		124447	memset(dst, 0, sizeof(*dst));
142
143	✓✓	124447	if (!src)
144		80044	return;
145
146		44403	dst->f = src->f;
147		44403	dst->tf = &src->tf;
148
149	✓✓	133209	for (i = 0; i < 2; i++) {
150		88806	dst->motion_val[i] = src->motion_val[i];
151		88806	dst->ref_index[i] = src->ref_index[i];
152			}
153
154		44403	dst->mb_type = src->mb_type;
155		44403	dst->field_picture = src->field_picture;
156			#endif /* CONFIG_ERROR_RESILIENCE */
157			}
158
159		25907	int ff_h264_field_end(H264Context h, H264SliceContext sl, int in_setup)
160			{
161		25907	AVCodecContext *const avctx = h->avctx;
162		25907	int err = 0;
163		25907	h->mb_y = 0;
164
165	✓✓✓✓	25907	if (in_setup \|\| !(avctx->active_thread_type & FF_THREAD_FRAME)) {
166	✓✓	25875	if (!h->droppable) {
167		16801	err = ff_h264_execute_ref_pic_marking(h);
168		16801	h->poc.prev_poc_msb = h->poc.poc_msb;
169		16801	h->poc.prev_poc_lsb = h->poc.poc_lsb;
170			}
171		25875	h->poc.prev_frame_num_offset = h->poc.frame_num_offset;
172		25875	h->poc.prev_frame_num = h->poc.frame_num;
173			}
174
175	✗✓	25907	if (avctx->hwaccel) {
176			err = avctx->hwaccel->end_frame(avctx);
177			if (err < 0)
178			av_log(avctx, AV_LOG_ERROR,
179			"hardware accelerator failed to decode picture\n");
180			}
181
182	✓✓✓✓	25907	if (!in_setup && !h->droppable)
183		16751	ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX,
184		16751	h->picture_structure == PICT_BOTTOM_FIELD);
185		25907	emms_c();
186
187		25907	h->current_slice = 0;
188
189		25907	return err;
190			}