[libav.git] / ffprobe.c

/*
 * FFprobe : Simple Media Prober based on the FFmpeg libraries
 * Copyright (c) 2007-2010 Stefano Sabatini
 *
 * 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
 */

#include "config.h"

#include "libavformat/avformat.h"
#include "libavcodec/avcodec.h"
#include "libavcodec/opt.h"
#include "libavutil/pixdesc.h"
#include "libavdevice/avdevice.h"
#include "cmdutils.h"

const char program_name[] = "FFprobe";
const int program_birth_year = 2007;

static int do_show_format  = 0;
static int do_show_streams = 0;

static int show_value_unit              = 0;
static int use_value_prefix             = 0;
static int use_byte_value_binary_prefix = 0;
static int use_value_sexagesimal_format = 0;

/* globals */
static const OptionDef options[];

/* FFprobe context */
static const char *input_filename;
static AVInputFormat *iformat = NULL;

static const char *binary_unit_prefixes [] = { "", "Ki", "Mi", "Gi", "Ti", "Pi" };
static const char *decimal_unit_prefixes[] = { "", "K" , "M" , "G" , "T" , "P"  };

static const char *unit_second_str          = "s"    ;
static const char *unit_hertz_str           = "Hz"   ;
static const char *unit_byte_str            = "byte" ;
static const char *unit_bit_per_second_str  = "bit/s";

static char *value_string(char *buf, int buf_size, double val, const char *unit)
{
    if (unit == unit_second_str && use_value_sexagesimal_format) {
        double secs;
        int hours, mins;
        secs  = val;
        mins  = (int)secs / 60;
        secs  = secs - mins * 60;
        hours = mins / 60;
        mins %= 60;
        snprintf(buf, buf_size, "%d:%02d:%09.6f", hours, mins, secs);
    } else if (use_value_prefix) {
        const char *prefix_string;
        int index;

        if (unit == unit_byte_str && use_byte_value_binary_prefix) {
            index = (int) (log(val)/log(2)) / 10;
            index = av_clip(index, 0, FF_ARRAY_ELEMS(binary_unit_prefixes) -1);
            val /= pow(2, index*10);
            prefix_string = binary_unit_prefixes[index];
        } else {
            index = (int) (log10(val)) / 3;
            index = av_clip(index, 0, FF_ARRAY_ELEMS(decimal_unit_prefixes) -1);
            val /= pow(10, index*3);
            prefix_string = decimal_unit_prefixes[index];
        }

        snprintf(buf, buf_size, "%.3f %s%s", val, prefix_string, show_value_unit ? unit : "");
    } else {
        snprintf(buf, buf_size, "%f %s", val, show_value_unit ? unit : "");
    }

    return buf;
}

static char *time_value_string(char *buf, int buf_size, int64_t val, const AVRational *time_base)
{
    if (val == AV_NOPTS_VALUE) {
        snprintf(buf, buf_size, "N/A");
    } else {
        value_string(buf, buf_size, val * av_q2d(*time_base), unit_second_str);
    }

    return buf;
}

static const char *codec_type_string(enum CodecType codec_type)
{
    switch (codec_type) {
    case CODEC_TYPE_VIDEO:        return "video";
    case CODEC_TYPE_AUDIO:        return "audio";
    case CODEC_TYPE_DATA:         return "data";
    case CODEC_TYPE_SUBTITLE:     return "subtitle";
    case CODEC_TYPE_ATTACHMENT:   return "attachment";
    default:                      return "unknown";
    }
}

static void show_stream(AVFormatContext *fmt_ctx, int stream_idx)
{
    AVStream *stream = fmt_ctx->streams[stream_idx];
    AVCodecContext *dec_ctx;
    AVCodec *dec;
    char val_str[128];
    AVMetadataTag *tag;
    char a, b, c, d;

    printf("[STREAM]\n");

    printf("index=%d\n",        stream->index);

    if ((dec_ctx = stream->codec)) {
        if ((dec = dec_ctx->codec)) {
            printf("codec_name=%s\n",         dec->name);
            printf("codec_long_name=%s\n",    dec->long_name);
        } else {
            printf("codec_name=unknown\n");
        }

        printf("codec_type=%s\n",         codec_type_string(dec_ctx->codec_type));
        printf("codec_time_base=%d/%d\n", dec_ctx->time_base.num, dec_ctx->time_base.den);

        /* print AVI/FourCC tag */
        a = dec_ctx->codec_tag     & 0xff;
        b = dec_ctx->codec_tag>>8  & 0xff;
        c = dec_ctx->codec_tag>>16 & 0xff;
        d = dec_ctx->codec_tag>>24 & 0xff;
        printf("codec_tag_string=");
        if (isprint(a)) printf("%c", a); else printf("[%d]", a);
        if (isprint(b)) printf("%c", b); else printf("[%d]", b);
        if (isprint(c)) printf("%c", c); else printf("[%d]", c);
        if (isprint(d)) printf("%c", d); else printf("[%d]", d);
        printf("\ncodec_tag=0x%04x\n", dec_ctx->codec_tag);

        switch (dec_ctx->codec_type) {
        case CODEC_TYPE_VIDEO:
            printf("width=%d\n",                   dec_ctx->width);
            printf("height=%d\n",                  dec_ctx->height);
            printf("has_b_frames=%d\n",            dec_ctx->has_b_frames);
            printf("sample_aspect_ratio=%d:%d\n",  dec_ctx->sample_aspect_ratio.num,
                                                   dec_ctx->sample_aspect_ratio.den);
            printf("display_aspect_ratio=%d:%d\n", dec_ctx->sample_aspect_ratio.num,
                                                   dec_ctx->sample_aspect_ratio.den);
            printf("pix_fmt=%s\n",                 dec_ctx->pix_fmt != PIX_FMT_NONE ?
                   av_pix_fmt_descriptors[dec_ctx->pix_fmt].name : "unknown");
            break;

        case CODEC_TYPE_AUDIO:
            printf("sample_rate=%s\n",             value_string(val_str, sizeof(val_str),
                                                                dec_ctx->sample_rate,
                                                                unit_hertz_str));
            printf("channels=%d\n",                dec_ctx->channels);
            printf("bits_per_sample=%d\n",         av_get_bits_per_sample(dec_ctx->codec_id));
            break;
        }
    } else {
        printf("codec_type=unknown\n");
    }

    if (fmt_ctx->iformat->flags & AVFMT_SHOW_IDS)
        printf("id=0x%x\n", stream->id);
    printf("r_frame_rate=%d/%d\n",         stream->r_frame_rate.num,   stream->r_frame_rate.den);
    printf("avg_frame_rate=%d/%d\n",       stream->avg_frame_rate.num, stream->avg_frame_rate.den);
    printf("time_base=%d/%d\n",            stream->time_base.num,      stream->time_base.den);
    if (stream->language[0])
        printf("language=%s\n",            stream->language);
    printf("start_time=%s\n",   time_value_string(val_str, sizeof(val_str), stream->start_time,
                                                  &stream->time_base));
    printf("duration=%s\n",     time_value_string(val_str, sizeof(val_str), stream->duration,
                                                  &stream->time_base));

    while ((tag = av_metadata_get(stream->metadata, "", tag, AV_METADATA_IGNORE_SUFFIX)))
        printf("TAG:%s=%s\n", tag->key, tag->value);

    printf("[/STREAM]\n");
}

static void show_format(AVFormatContext *fmt_ctx)
{
    AVMetadataTag *tag = NULL;
    char val_str[128];

    printf("[FORMAT]\n");

    printf("filename=%s\n",         fmt_ctx->filename);
    printf("nb_streams=%d\n",       fmt_ctx->nb_streams);
    printf("format_name=%s\n",      fmt_ctx->iformat->name);
    printf("format_long_name=%s\n", fmt_ctx->iformat->long_name);
    printf("start_time=%s\n",       time_value_string(val_str, sizeof(val_str), fmt_ctx->start_time,
                                                      &AV_TIME_BASE_Q));
    printf("duration=%s\n",         time_value_string(val_str, sizeof(val_str), fmt_ctx->duration,
                                                      &AV_TIME_BASE_Q));
    printf("size=%s\n",             value_string(val_str, sizeof(val_str), fmt_ctx->file_size,
                                                 unit_byte_str));
    printf("bit_rate=%s\n",         value_string(val_str, sizeof(val_str), fmt_ctx->bit_rate,
                                                 unit_bit_per_second_str));

    while ((tag = av_metadata_get(fmt_ctx->metadata, "", tag, AV_METADATA_IGNORE_SUFFIX)))
        printf("TAG:%s=%s\n", tag->key, tag->value);

    printf("[/FORMAT]\n");
}

static int open_input_file(AVFormatContext **fmt_ctx_ptr, const char *filename)
{
    int err, i;
    AVFormatContext *fmt_ctx;

    fmt_ctx = avformat_alloc_context();

    if ((err = av_open_input_file(&fmt_ctx, filename, iformat, 0, NULL)) < 0) {
        print_error(filename, err);
        return err;
    }

    /* fill the streams in the format context */
    if ((err = av_find_stream_info(fmt_ctx)) < 0) {
        print_error(filename, err);
        return err;
    }

    dump_format(fmt_ctx, 0, filename, 0);

    /* bind a decoder to each input stream */
    for (i = 0; i < fmt_ctx->nb_streams; i++) {
        AVStream *stream = fmt_ctx->streams[i];
        AVCodec *codec;

        if (!(codec = avcodec_find_decoder(stream->codec->codec_id))) {
            fprintf(stderr, "Unsupported codec (id=%d) for input stream %d\n",
                    stream->codec->codec_id, stream->index);
        } else if (avcodec_open(stream->codec, codec) < 0) {
            fprintf(stderr, "Error while opening codec for input stream %d\n",
                    stream->index);
        }
    }

    *fmt_ctx_ptr = fmt_ctx;
    return 0;
}

static int probe_file(const char *filename)
{
    AVFormatContext *fmt_ctx;
    int ret, i;

    if ((ret = open_input_file(&fmt_ctx, filename)))
        return ret;

    if (do_show_streams)
        for (i = 0; i < fmt_ctx->nb_streams; i++)
            show_stream(fmt_ctx, i);

    if (do_show_format)
        show_format(fmt_ctx);

    av_close_input_file(fmt_ctx);
    return 0;
}

static void show_usage(void)
{
    printf("Simple multimedia streams analyzer\n");
    printf("usage: ffprobe [OPTIONS] [INPUT_FILE]\n");
    printf("\n");
}

static void opt_format(const char *arg)
{
    iformat = av_find_input_format(arg);
    if (!iformat) {
        fprintf(stderr, "Unknown input format: %s\n", arg);
        exit(1);
    }
}

static void opt_input_file(const char *arg)
{
    if (input_filename) {
        fprintf(stderr, "Argument '%s' provided as input filename, but '%s' was already specified.\n",
                arg, input_filename);
        exit(1);
    }
    if (!strcmp(arg, "-"))
        arg = "pipe:";
    input_filename = arg;
}

static void show_help(void)
{
    show_usage();
    show_help_options(options, "Main options:\n", 0, 0);
    printf("\n");
}

static void opt_pretty(void)
{
    show_value_unit              = 1;
    use_value_prefix             = 1;
    use_byte_value_binary_prefix = 1;
    use_value_sexagesimal_format = 1;
}

static const OptionDef options[] = {
#include "cmdutils_common_opts.h"
    { "f", HAS_ARG, {(void*)opt_format}, "force format", "format" },
    { "unit", OPT_BOOL, {(void*)&show_value_unit}, "show unit of the displayed values" },
    { "prefix", OPT_BOOL, {(void*)&use_value_prefix}, "use SI prefixes for the displayed values" },
    { "byte_binary_prefix", OPT_BOOL, {(void*)&use_byte_value_binary_prefix},
      "use binary prefixes for byte units" },
    { "sexagesimal", OPT_BOOL,  {(void*)&use_value_sexagesimal_format},
      "use sexagesimal format HOURS:MM:SS.MICROSECONDS for time units" },
    { "pretty", 0, {(void*)&opt_pretty},
      "prettify the format of displayed values, make it more human readable" },
    { "show_format",  OPT_BOOL, {(void*)&do_show_format} , "show format/container info" },
    { "show_streams", OPT_BOOL, {(void*)&do_show_streams}, "show streams info" },
    { NULL, },
};

int main(int argc, char **argv)
{
    av_register_all();
#if CONFIG_AVDEVICE
    avdevice_register_all();
#endif

    show_banner();
    parse_options(argc, argv, options, opt_input_file);

    if (!input_filename) {
        show_usage();
        fprintf(stderr, "You have to specify one input file.\n");
        fprintf(stderr, "Use -h to get full help or, even better, run 'man ffprobe'.\n");
        exit(1);
    }

    return probe_file(input_filename);
}
Commit	Line	Data
336ce917 SS	1	/*
	2	* FFprobe : Simple Media Prober based on the FFmpeg libraries
	3	* Copyright (c) 2007-2010 Stefano Sabatini
	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
6ce98ea4 SS	22	#include "config.h"
6ce98ea4 SS	23
336ce917 SS	24	#include "libavformat/avformat.h"
	25	#include "libavcodec/avcodec.h"
	26	#include "libavcodec/opt.h"
	27	#include "libavutil/pixdesc.h"
6ce98ea4	28	#include "libavdevice/avdevice.h"
336ce917 SS	29	#include "cmdutils.h"
	30
	31	const char program_name[] = "FFprobe";
	32	const int program_birth_year = 2007;
	33
	34	static int do_show_format = 0;
	35	static int do_show_streams = 0;
	36
	37	static int show_value_unit = 0;
	38	static int use_value_prefix = 0;
	39	static int use_byte_value_binary_prefix = 0;
	40	static int use_value_sexagesimal_format = 0;
	41
	42	/* globals */
	43	static const OptionDef options[];
	44
	45	/* FFprobe context */
	46	static const char *input_filename;
1be784a2	47	static AVInputFormat *iformat = NULL;
336ce917 SS	48
	49	static const char *binary_unit_prefixes [] = { "", "Ki", "Mi", "Gi", "Ti", "Pi" };
	50	static const char *decimal_unit_prefixes[] = { "", "K" , "M" , "G" , "T" , "P" };
	51
	52	static const char *unit_second_str = "s" ;
	53	static const char *unit_hertz_str = "Hz" ;
	54	static const char *unit_byte_str = "byte" ;
	55	static const char *unit_bit_per_second_str = "bit/s";
	56
	57	static char value_string(char buf, int buf_size, double val, const char *unit)
	58	{
	59	if (unit == unit_second_str && use_value_sexagesimal_format) {
	60	double secs;
	61	int hours, mins;
	62	secs = val;
	63	mins = (int)secs / 60;
	64	secs = secs - mins * 60;
	65	hours = mins / 60;
	66	mins %= 60;
	67	snprintf(buf, buf_size, "%d:%02d:%09.6f", hours, mins, secs);
	68	} else if (use_value_prefix) {
	69	const char *prefix_string;
	70	int index;
	71
	72	if (unit == unit_byte_str && use_byte_value_binary_prefix) {
f1b267dd	73	index = (int) (log(val)/log(2)) / 10;
336ce917 SS	74	index = av_clip(index, 0, FF_ARRAY_ELEMS(binary_unit_prefixes) -1);
	75	val /= pow(2, index*10);
	76	prefix_string = binary_unit_prefixes[index];
	77	} else {
	78	index = (int) (log10(val)) / 3;
	79	index = av_clip(index, 0, FF_ARRAY_ELEMS(decimal_unit_prefixes) -1);
	80	val /= pow(10, index*3);
	81	prefix_string = decimal_unit_prefixes[index];
	82	}
	83
	84	snprintf(buf, buf_size, "%.3f %s%s", val, prefix_string, show_value_unit ? unit : "");
	85	} else {
	86	snprintf(buf, buf_size, "%f %s", val, show_value_unit ? unit : "");
	87	}
	88
	89	return buf;
	90	}
	91
	92	static char time_value_string(char buf, int buf_size, int64_t val, const AVRational *time_base)
	93	{
	94	if (val == AV_NOPTS_VALUE) {
	95	snprintf(buf, buf_size, "N/A");
	96	} else {
	97	value_string(buf, buf_size, val * av_q2d(*time_base), unit_second_str);
	98	}
	99
	100	return buf;
	101	}
	102
	103	static const char *codec_type_string(enum CodecType codec_type)
	104	{
	105	switch (codec_type) {
	106	case CODEC_TYPE_VIDEO: return "video";
	107	case CODEC_TYPE_AUDIO: return "audio";
	108	case CODEC_TYPE_DATA: return "data";
	109	case CODEC_TYPE_SUBTITLE: return "subtitle";
	110	case CODEC_TYPE_ATTACHMENT: return "attachment";
	111	default: return "unknown";
	112	}
	113	}
	114
	115	static void show_stream(AVFormatContext *fmt_ctx, int stream_idx)
	116	{
	117	AVStream *stream = fmt_ctx->streams[stream_idx];
	118	AVCodecContext *dec_ctx;
	119	AVCodec *dec;
	120	char val_str[128];
	121	AVMetadataTag *tag;
	122	char a, b, c, d;
	123
	124	printf("[STREAM]\n");
	125
	126	printf("index=%d\n", stream->index);
	127
	128	if ((dec_ctx = stream->codec)) {
	129	if ((dec = dec_ctx->codec)) {
	130	printf("codec_name=%s\n", dec->name);
	131	printf("codec_long_name=%s\n", dec->long_name);
	132	} else {
	133	printf("codec_name=unknown\n");
	134	}
	135
	136	printf("codec_type=%s\n", codec_type_string(dec_ctx->codec_type));
	137	printf("codec_time_base=%d/%d\n", dec_ctx->time_base.num, dec_ctx->time_base.den);
138
139	/* print AVI/FourCC tag */
140	a = dec_ctx->codec_tag & 0xff;
141	b = dec_ctx->codec_tag>>8 & 0xff;
142	c = dec_ctx->codec_tag>>16 & 0xff;
143	d = dec_ctx->codec_tag>>24 & 0xff;
144	printf("codec_tag_string=");
145	if (isprint(a)) printf("%c", a); else printf("[%d]", a);
146	if (isprint(b)) printf("%c", b); else printf("[%d]", b);
147	if (isprint(c)) printf("%c", c); else printf("[%d]", c);
148	if (isprint(d)) printf("%c", d); else printf("[%d]", d);
149	printf("\ncodec_tag=0x%04x\n", dec_ctx->codec_tag);
150
151	switch (dec_ctx->codec_type) {
152	case CODEC_TYPE_VIDEO:
153	printf("width=%d\n", dec_ctx->width);
154	printf("height=%d\n", dec_ctx->height);
155	printf("has_b_frames=%d\n", dec_ctx->has_b_frames);
156	printf("sample_aspect_ratio=%d:%d\n", dec_ctx->sample_aspect_ratio.num,
157	dec_ctx->sample_aspect_ratio.den);
158	printf("display_aspect_ratio=%d:%d\n", dec_ctx->sample_aspect_ratio.num,
159	dec_ctx->sample_aspect_ratio.den);
160	printf("pix_fmt=%s\n", dec_ctx->pix_fmt != PIX_FMT_NONE ?
161	av_pix_fmt_descriptors[dec_ctx->pix_fmt].name : "unknown");
162	break;
163
164	case CODEC_TYPE_AUDIO:
165	printf("sample_rate=%s\n", value_string(val_str, sizeof(val_str),
166	dec_ctx->sample_rate,
167	unit_hertz_str));
168	printf("channels=%d\n", dec_ctx->channels);
169	printf("bits_per_sample=%d\n", av_get_bits_per_sample(dec_ctx->codec_id));
170	break;
171	}
172	} else {
173	printf("codec_type=unknown\n");
174	}
175
176	if (fmt_ctx->iformat->flags & AVFMT_SHOW_IDS)
177	printf("id=0x%x\n", stream->id);
178	printf("r_frame_rate=%d/%d\n", stream->r_frame_rate.num, stream->r_frame_rate.den);
179	printf("avg_frame_rate=%d/%d\n", stream->avg_frame_rate.num, stream->avg_frame_rate.den);
180	printf("time_base=%d/%d\n", stream->time_base.num, stream->time_base.den);
181	if (stream->language[0])
182	printf("language=%s\n", stream->language);
183	printf("start_time=%s\n", time_value_string(val_str, sizeof(val_str), stream->start_time,
184	&stream->time_base));
185	printf("duration=%s\n", time_value_string(val_str, sizeof(val_str), stream->duration,
186	&stream->time_base));
187
188	while ((tag = av_metadata_get(stream->metadata, "", tag, AV_METADATA_IGNORE_SUFFIX)))
b6a41853	189	printf("TAG:%s=%s\n", tag->key, tag->value);
336ce917 SS	190
	191	printf("[/STREAM]\n");
	192	}
	193
	194	static void show_format(AVFormatContext *fmt_ctx)
	195	{
	196	AVMetadataTag *tag = NULL;
	197	char val_str[128];
	198
	199	printf("[FORMAT]\n");
	200
	201	printf("filename=%s\n", fmt_ctx->filename);
	202	printf("nb_streams=%d\n", fmt_ctx->nb_streams);
	203	printf("format_name=%s\n", fmt_ctx->iformat->name);
	204	printf("format_long_name=%s\n", fmt_ctx->iformat->long_name);
	205	printf("start_time=%s\n", time_value_string(val_str, sizeof(val_str), fmt_ctx->start_time,
	206	&AV_TIME_BASE_Q));
	207	printf("duration=%s\n", time_value_string(val_str, sizeof(val_str), fmt_ctx->duration,
	208	&AV_TIME_BASE_Q));
	209	printf("size=%s\n", value_string(val_str, sizeof(val_str), fmt_ctx->file_size,
	210	unit_byte_str));
	211	printf("bit_rate=%s\n", value_string(val_str, sizeof(val_str), fmt_ctx->bit_rate,
	212	unit_bit_per_second_str));
	213
	214	while ((tag = av_metadata_get(fmt_ctx->metadata, "", tag, AV_METADATA_IGNORE_SUFFIX)))
	215	printf("TAG:%s=%s\n", tag->key, tag->value);
	216
	217	printf("[/FORMAT]\n");
	218	}
	219
	220	static int open_input_file(AVFormatContext *fmt_ctx_ptr, const char filename)
	221	{
	222	int err, i;
	223	AVFormatContext *fmt_ctx;
	224
	225	fmt_ctx = avformat_alloc_context();
	226
1be784a2	227	if ((err = av_open_input_file(&fmt_ctx, filename, iformat, 0, NULL)) < 0) {
336ce917 SS	228	print_error(filename, err);
	229	return err;
	230	}
	231
	232	/* fill the streams in the format context */
	233	if ((err = av_find_stream_info(fmt_ctx)) < 0) {
	234	print_error(filename, err);
	235	return err;
	236	}
	237
	238	dump_format(fmt_ctx, 0, filename, 0);
	239
	240	/* bind a decoder to each input stream */
	241	for (i = 0; i < fmt_ctx->nb_streams; i++) {
	242	AVStream *stream = fmt_ctx->streams[i];
	243	AVCodec *codec;
	244
	245	if (!(codec = avcodec_find_decoder(stream->codec->codec_id))) {
	246	fprintf(stderr, "Unsupported codec (id=%d) for input stream %d\n",
	247	stream->codec->codec_id, stream->index);
	248	} else if (avcodec_open(stream->codec, codec) < 0) {
	249	fprintf(stderr, "Error while opening codec for input stream %d\n",
	250	stream->index);
	251	}
	252	}
	253
	254	*fmt_ctx_ptr = fmt_ctx;
	255	return 0;
	256	}
	257
	258	static int probe_file(const char *filename)
	259	{
	260	AVFormatContext *fmt_ctx;
	261	int ret, i;
	262
	263	if ((ret = open_input_file(&fmt_ctx, filename)))
	264	return ret;
	265
	266	if (do_show_streams)
	267	for (i = 0; i < fmt_ctx->nb_streams; i++)
	268	show_stream(fmt_ctx, i);
	269
	270	if (do_show_format)
	271	show_format(fmt_ctx);
	272
	273	av_close_input_file(fmt_ctx);
	274	return 0;
	275	}
	276
	277	static void show_usage(void)
	278	{
	279	printf("Simple multimedia streams analyzer\n");
	280	printf("usage: ffprobe [OPTIONS] [INPUT_FILE]\n");
	281	printf("\n");
	282	}
	283
1be784a2 SS	284	static void opt_format(const char *arg)
	285	{
	286	iformat = av_find_input_format(arg);
	287	if (!iformat) {
	288	fprintf(stderr, "Unknown input format: %s\n", arg);
	289	exit(1);
	290	}
	291	}
	292
912dd63e	293	static void opt_input_file(const char *arg)
336ce917	294	{
c8c0ac6b	295	if (input_filename) {
58621b8d SS	296	fprintf(stderr, "Argument '%s' provided as input filename, but '%s' was already specified.\n",
58621b8d SS	297	arg, input_filename);
c8c0ac6b RP	298	exit(1);
c8c0ac6b RP	299	}
912dd63e SS	300	if (!strcmp(arg, "-"))
	301	arg = "pipe:";
	302	input_filename = arg;
336ce917 SS	303	}
	304
	305	static void show_help(void)
	306	{
	307	show_usage();
	308	show_help_options(options, "Main options:\n", 0, 0);
	309	printf("\n");
	310	}
	311
	312	static void opt_pretty(void)
	313	{
	314	show_value_unit = 1;
	315	use_value_prefix = 1;
	316	use_byte_value_binary_prefix = 1;
	317	use_value_sexagesimal_format = 1;
	318	}
	319
	320	static const OptionDef options[] = {
	321	#include "cmdutils_common_opts.h"
1be784a2	322	{ "f", HAS_ARG, {(void*)opt_format}, "force format", "format" },
818636ec SS	323	{ "unit", OPT_BOOL, {(void*)&show_value_unit}, "show unit of the displayed values" },
818636ec SS	324	{ "prefix", OPT_BOOL, {(void*)&use_value_prefix}, "use SI prefixes for the displayed values" },
336ce917 SS	325	{ "byte_binary_prefix", OPT_BOOL, {(void*)&use_byte_value_binary_prefix},
	326	"use binary prefixes for byte units" },
	327	{ "sexagesimal", OPT_BOOL, {(void*)&use_value_sexagesimal_format},
	328	"use sexagesimal format HOURS:MM:SS.MICROSECONDS for time units" },
	329	{ "pretty", 0, {(void*)&opt_pretty},
	330	"prettify the format of displayed values, make it more human readable" },
	331	{ "show_format", OPT_BOOL, {(void*)&do_show_format} , "show format/container info" },
818636ec	332	{ "show_streams", OPT_BOOL, {(void*)&do_show_streams}, "show streams info" },
336ce917 SS	333	{ NULL, },
	334	};
	335
	336	int main(int argc, char **argv)
	337	{
	338	av_register_all();
6ce98ea4 SS	339	#if CONFIG_AVDEVICE
	340	avdevice_register_all();
	341	#endif
336ce917 SS	342
	343	show_banner();
	344	parse_options(argc, argv, options, opt_input_file);
	345
	346	if (!input_filename) {
	347	show_usage();
	348	fprintf(stderr, "You have to specify one input file.\n");
	349	fprintf(stderr, "Use -h to get full help or, even better, run 'man ffprobe'.\n");
	350	exit(1);
	351	}
	352
	353	return probe_file(input_filename);
	354	}