FFmpeg coverage

GCC Code Coverage Report

Directory:	../../../ffmpeg/		Exec	Total	Coverage
File:	src/libavfilter/af_aformat.c	Lines:	28	31	90.3 %
Date:	2021-04-18 10:33:33	Branches:	33	46	71.7 %


/*
 * Copyright (c) 2011 Mina Nagy Zaki
 *
 * 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
 * format audio filter
 */

#include "libavutil/avstring.h"
#include "libavutil/channel_layout.h"
#include "libavutil/common.h"
#include "libavutil/opt.h"

#include "audio.h"
#include "avfilter.h"
#include "formats.h"
#include "internal.h"

typedef struct AFormatContext {
    const AVClass   *class;

    AVFilterFormats *formats;
    AVFilterFormats *sample_rates;
    AVFilterChannelLayouts *channel_layouts;

    char *formats_str;
    char *sample_rates_str;
    char *channel_layouts_str;
} AFormatContext;

#define OFFSET(x) offsetof(AFormatContext, x)
#define A AV_OPT_FLAG_AUDIO_PARAM
#define F AV_OPT_FLAG_FILTERING_PARAM
static const AVOption aformat_options[] = {
    { "sample_fmts",     "A '|'-separated list of sample formats.",  OFFSET(formats_str),         AV_OPT_TYPE_STRING, .flags = A|F },
    { "f",               "A '|'-separated list of sample formats.",  OFFSET(formats_str),         AV_OPT_TYPE_STRING, .flags = A|F },
    { "sample_rates",    "A '|'-separated list of sample rates.",    OFFSET(sample_rates_str),    AV_OPT_TYPE_STRING, .flags = A|F },
    { "r",               "A '|'-separated list of sample rates.",    OFFSET(sample_rates_str),    AV_OPT_TYPE_STRING, .flags = A|F },
    { "channel_layouts", "A '|'-separated list of channel layouts.", OFFSET(channel_layouts_str), AV_OPT_TYPE_STRING, .flags = A|F },
    { "cl",              "A '|'-separated list of channel layouts.", OFFSET(channel_layouts_str), AV_OPT_TYPE_STRING, .flags = A|F },
    { NULL }
};

AVFILTER_DEFINE_CLASS(aformat);

#define PARSE_FORMATS(str, type, list, add_to_list, get_fmt, none, desc)    \
do {                                                                        \
    char *next, *cur = str, sep;                                            \
    int ret;                                                                \
                                                                            \
    if (str && strchr(str, ',')) {                                          \
        av_log(ctx, AV_LOG_WARNING, "This syntax is deprecated, use '|' to "\
               "separate %s.\n", desc);                                     \
        sep = ',';                                                          \
    } else                                                                  \
        sep = '|';                                                          \
                                                                            \
    while (cur) {                                                           \
        type fmt;                                                           \
        next = strchr(cur, sep);                                            \
        if (next)                                                           \
            *next++ = 0;                                                    \
                                                                            \
        if ((fmt = get_fmt(cur)) == none) {                                 \
            av_log(ctx, AV_LOG_ERROR, "Error parsing " desc ": %s.\n", cur);\
            return AVERROR(EINVAL);                                         \
        }                                                                   \
        if ((ret = add_to_list(&list, fmt)) < 0) {                          \
            return ret;                                                     \
        }                                                                   \
                                                                            \
        cur = next;                                                         \
    }                                                                       \
} while (0)

static int get_sample_rate(const char *samplerate)
{
    int ret = strtol(samplerate, NULL, 0);
    return FFMAX(ret, 0);
}

static av_cold int init(AVFilterContext *ctx)
{
    AFormatContext *s = ctx->priv;

    PARSE_FORMATS(s->formats_str, enum AVSampleFormat, s->formats,
                  ff_add_format, av_get_sample_fmt, AV_SAMPLE_FMT_NONE, "sample format");
    PARSE_FORMATS(s->sample_rates_str, int, s->sample_rates, ff_add_format,
                  get_sample_rate, 0, "sample rate");
    PARSE_FORMATS(s->channel_layouts_str, uint64_t, s->channel_layouts,
                  ff_add_channel_layout, av_get_channel_layout, 0,
                  "channel layout");

    return 0;
}

static av_cold void uninit(AVFilterContext *ctx)
{
    AFormatContext *s = ctx->priv;

    ff_formats_unref(&s->formats);
    ff_formats_unref(&s->sample_rates);
    ff_channel_layouts_unref(&s->channel_layouts);
}

static int query_formats(AVFilterContext *ctx)
{
    AFormatContext *s = ctx->priv;
    int ret;

    ret = ff_set_common_formats(ctx, s->formats ? s->formats :
                                            ff_all_formats(AVMEDIA_TYPE_AUDIO));
    s->formats = NULL;
    if (ret < 0)
        return ret;
    ret = ff_set_common_samplerates(ctx, s->sample_rates ? s->sample_rates :
                                                     ff_all_samplerates());
    s->sample_rates = NULL;
    if (ret < 0)
        return ret;
    ret = ff_set_common_channel_layouts(ctx, s->channel_layouts ? s->channel_layouts :
                                                            ff_all_channel_counts());
    s->channel_layouts = NULL;
    return ret;
}

static const AVFilterPad avfilter_af_aformat_inputs[] = {
    {
        .name = "default",
        .type = AVMEDIA_TYPE_AUDIO,
    },
    { NULL }
};

static const AVFilterPad avfilter_af_aformat_outputs[] = {
    {
        .name = "default",
        .type = AVMEDIA_TYPE_AUDIO
    },
    { NULL }
};

AVFilter ff_af_aformat = {
    .name          = "aformat",
    .description   = NULL_IF_CONFIG_SMALL("Convert the input audio to one of the specified formats."),
    .init          = init,
    .uninit        = uninit,
    .query_formats = query_formats,
    .priv_size     = sizeof(AFormatContext),
    .priv_class    = &aformat_class,
    .inputs        = avfilter_af_aformat_inputs,
    .outputs       = avfilter_af_aformat_outputs,
};


Generated by: GCOVR (Version 4.2)

Line	Branch	Exec	Source
1			/*
2			* Copyright (c) 2011 Mina Nagy Zaki
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			/**
22			* @file
23			* format audio filter
24			*/
25
26			#include "libavutil/avstring.h"
27			#include "libavutil/channel_layout.h"
28			#include "libavutil/common.h"
29			#include "libavutil/opt.h"
30
31			#include "audio.h"
32			#include "avfilter.h"
33			#include "formats.h"
34			#include "internal.h"
35
36			typedef struct AFormatContext {
37			const AVClass *class;
38
39			AVFilterFormats *formats;
40			AVFilterFormats *sample_rates;
41			AVFilterChannelLayouts *channel_layouts;
42
43			char *formats_str;
44			char *sample_rates_str;
45			char *channel_layouts_str;
46			} AFormatContext;
47
48			#define OFFSET(x) offsetof(AFormatContext, x)
49			#define A AV_OPT_FLAG_AUDIO_PARAM
50			#define F AV_OPT_FLAG_FILTERING_PARAM
51			static const AVOption aformat_options[] = {
52			{ "sample_fmts", "A '\|'-separated list of sample formats.", OFFSET(formats_str), AV_OPT_TYPE_STRING, .flags = A\|F },
53			{ "f", "A '\|'-separated list of sample formats.", OFFSET(formats_str), AV_OPT_TYPE_STRING, .flags = A\|F },
54			{ "sample_rates", "A '\|'-separated list of sample rates.", OFFSET(sample_rates_str), AV_OPT_TYPE_STRING, .flags = A\|F },
55			{ "r", "A '\|'-separated list of sample rates.", OFFSET(sample_rates_str), AV_OPT_TYPE_STRING, .flags = A\|F },
56			{ "channel_layouts", "A '\|'-separated list of channel layouts.", OFFSET(channel_layouts_str), AV_OPT_TYPE_STRING, .flags = A\|F },
57			{ "cl", "A '\|'-separated list of channel layouts.", OFFSET(channel_layouts_str), AV_OPT_TYPE_STRING, .flags = A\|F },
58			{ NULL }
59			};
60
61			AVFILTER_DEFINE_CLASS(aformat);
62
63			#define PARSE_FORMATS(str, type, list, add_to_list, get_fmt, none, desc) \
64			do { \
65			char next, cur = str, sep; \
66			int ret; \
67			\
68			if (str && strchr(str, ',')) { \
69			av_log(ctx, AV_LOG_WARNING, "This syntax is deprecated, use '\|' to "\
70			"separate %s.\n", desc); \
71			sep = ','; \
72			} else \
73			sep = '\|'; \
74			\
75			while (cur) { \
76			type fmt; \
77			next = strchr(cur, sep); \
78			if (next) \
79			*next++ = 0; \
80			\
81			if ((fmt = get_fmt(cur)) == none) { \
82			av_log(ctx, AV_LOG_ERROR, "Error parsing " desc ": %s.\n", cur);\
83			return AVERROR(EINVAL); \
84			} \
85			if ((ret = add_to_list(&list, fmt)) < 0) { \
86			return ret; \
87			} \
88			\
89			cur = next; \
90			} \
91			} while (0)
92
93		296	static int get_sample_rate(const char *samplerate)
94			{
95		296	int ret = strtol(samplerate, NULL, 0);
96		296	return FFMAX(ret, 0);
97			}
98
99		1445	static av_cold int init(AVFilterContext *ctx)
100			{
101		1445	AFormatContext *s = ctx->priv;
102
103	✓✗✗✓ ✓✓✗✓ ✗✓✓✓	2927	PARSE_FORMATS(s->formats_str, enum AVSampleFormat, s->formats,
104			ff_add_format, av_get_sample_fmt, AV_SAMPLE_FMT_NONE, "sample format");
105	✓✓✗✓ ✓✓✗✓ ✗✓✓✓	1741	PARSE_FORMATS(s->sample_rates_str, int, s->sample_rates, ff_add_format,
106			get_sample_rate, 0, "sample rate");
107	✓✓✗✓ ✓✓✗✓ ✗✓✓✓	1696	PARSE_FORMATS(s->channel_layouts_str, uint64_t, s->channel_layouts,
108			ff_add_channel_layout, av_get_channel_layout, 0,
109			"channel layout");
110
111		1445	return 0;
112			}
113
114		1445	static av_cold void uninit(AVFilterContext *ctx)
115			{
116		1445	AFormatContext *s = ctx->priv;
117
118		1445	ff_formats_unref(&s->formats);
119		1445	ff_formats_unref(&s->sample_rates);
120		1445	ff_channel_layouts_unref(&s->channel_layouts);
121		1445	}
122
123		1445	static int query_formats(AVFilterContext *ctx)
124			{
125		1445	AFormatContext *s = ctx->priv;
126			int ret;
127
128	✓✗	1445	ret = ff_set_common_formats(ctx, s->formats ? s->formats :
129			ff_all_formats(AVMEDIA_TYPE_AUDIO));
130		1445	s->formats = NULL;
131	✗✓	1445	if (ret < 0)
132			return ret;
133	✓✓	2829	ret = ff_set_common_samplerates(ctx, s->sample_rates ? s->sample_rates :
134		1384	ff_all_samplerates());
135		1445	s->sample_rates = NULL;
136	✗✓	1445	if (ret < 0)
137			return ret;
138	✓✓	2835	ret = ff_set_common_channel_layouts(ctx, s->channel_layouts ? s->channel_layouts :
139		1390	ff_all_channel_counts());
140		1445	s->channel_layouts = NULL;
141		1445	return ret;
142			}
143
144			static const AVFilterPad avfilter_af_aformat_inputs[] = {
145			{
146			.name = "default",
147			.type = AVMEDIA_TYPE_AUDIO,
148			},
149			{ NULL }
150			};
151
152			static const AVFilterPad avfilter_af_aformat_outputs[] = {
153			{
154			.name = "default",
155			.type = AVMEDIA_TYPE_AUDIO
156			},
157			{ NULL }
158			};
159
160			AVFilter ff_af_aformat = {
161			.name = "aformat",
162			.description = NULL_IF_CONFIG_SMALL("Convert the input audio to one of the specified formats."),
163			.init = init,
164			.uninit = uninit,
165			.query_formats = query_formats,
166			.priv_size = sizeof(AFormatContext),
167			.priv_class = &aformat_class,
168			.inputs = avfilter_af_aformat_inputs,
169			.outputs = avfilter_af_aformat_outputs,
170			};