static int use_byte_value_binary_prefix = 0;
static int use_value_sexagesimal_format = 0;
-/* globals */
+static char *print_format;
+
static const OptionDef options[];
/* FFprobe context */
static const char *unit_byte_str = "byte" ;
static const char *unit_bit_per_second_str = "bit/s";
+void exit_program(int ret)
+{
+ exit(ret);
+}
+
static char *value_string(char *buf, int buf_size, double val, const char *unit)
{
if (unit == unit_second_str && use_value_sexagesimal_format) {
prefix_string = decimal_unit_prefixes[index];
}
- snprintf(buf, buf_size, "%.3f %s%s", val, prefix_string, show_value_unit ? unit : "");
+ snprintf(buf, buf_size, "%.3f%s%s%s", val, prefix_string || show_value_unit ? " " : "",
+ prefix_string, show_value_unit ? unit : "");
} else {
- snprintf(buf, buf_size, "%f %s", val, show_value_unit ? unit : "");
+ snprintf(buf, buf_size, "%f%s%s", val, show_value_unit ? " " : "",
+ show_value_unit ? unit : "");
}
return buf;
return buf;
}
-static const char *media_type_string(enum AVMediaType media_type)
+
+struct writer {
+ const char *name;
+ const char *item_sep; ///< separator between key/value couples
+ const char *items_sep; ///< separator between sets of key/value couples
+ const char *section_sep; ///< separator between sections (streams, packets, ...)
+ const char *header, *footer;
+ void (*print_section_start)(const char *, int);
+ void (*print_section_end) (const char *, int);
+ void (*print_header)(const char *);
+ void (*print_footer)(const char *);
+ void (*print_integer)(const char *, int);
+ void (*print_string)(const char *, const char *);
+ void (*show_tags)(struct writer *w, AVDictionary *dict);
+};
+
+
+/* JSON output */
+
+static void json_print_header(const char *section)
+{
+ printf("{\n");
+}
+
+static char *json_escape_str(const char *s)
+{
+ static const char json_escape[] = {'"', '\\', '\b', '\f', '\n', '\r', '\t', 0};
+ static const char json_subst[] = {'"', '\\', 'b', 'f', 'n', 'r', 't', 0};
+ char *ret, *p;
+ int i, len = 0;
+
+ // compute the length of the escaped string
+ for (i = 0; s[i]; i++) {
+ if (strchr(json_escape, s[i])) len += 2; // simple escape
+ else if ((unsigned char)s[i] < 32) len += 6; // handle non-printable chars
+ else len += 1; // char copy
+ }
+
+ p = ret = av_malloc(len + 1);
+ if (!p)
+ return NULL;
+ for (i = 0; s[i]; i++) {
+ char *q = strchr(json_escape, s[i]);
+ if (q) {
+ *p++ = '\\';
+ *p++ = json_subst[q - json_escape];
+ } else if ((unsigned char)s[i] < 32) {
+ snprintf(p, 7, "\\u00%02x", s[i] & 0xff);
+ p += 6;
+ } else {
+ *p++ = s[i];
+ }
+ }
+ *p = 0;
+ return ret;
+}
+
+static void json_print_str(const char *key, const char *value)
+{
+ char *key_esc = json_escape_str(key);
+ char *value_esc = json_escape_str(value);
+ printf(" \"%s\": \"%s\"",
+ key_esc ? key_esc : "",
+ value_esc ? value_esc : "");
+ av_free(key_esc);
+ av_free(value_esc);
+}
+
+static void json_print_int(const char *key, int value)
+{
+ char *key_esc = json_escape_str(key);
+ printf(" \"%s\": %d", key_esc ? key_esc : "", value);
+ av_free(key_esc);
+}
+
+static void json_print_footer(const char *section)
+{
+ printf("\n }");
+}
+
+static void json_print_section_start(const char *section, int multiple_entries)
+{
+ char *section_esc = json_escape_str(section);
+ printf("\n \"%s\":%s", section_esc ? section_esc : "",
+ multiple_entries ? " [" : " ");
+ av_free(section_esc);
+}
+
+static void json_print_section_end(const char *section, int multiple_entries)
+{
+ if (multiple_entries)
+ printf("]");
+}
+
+
+/* Default output */
+
+static void default_print_header(const char *section)
+{
+ printf("[%s]\n", section);
+}
+
+static void default_print_str(const char *key, const char *value)
+{
+ printf("%s=%s", key, value);
+}
+
+static void default_print_int(const char *key, int value)
+{
+ printf("%s=%d", key, value);
+}
+
+static void default_print_footer(const char *section)
+{
+ printf("\n[/%s]", section);
+}
+
+
+/* Print helpers */
+
+struct print_buf {
+ char *s;
+ int len;
+};
+
+static char *fast_asprintf(struct print_buf *pbuf, const char *fmt, ...)
{
- switch (media_type) {
- case AVMEDIA_TYPE_VIDEO: return "video";
- case AVMEDIA_TYPE_AUDIO: return "audio";
- case AVMEDIA_TYPE_DATA: return "data";
- case AVMEDIA_TYPE_SUBTITLE: return "subtitle";
- case AVMEDIA_TYPE_ATTACHMENT: return "attachment";
- default: return "unknown";
+ va_list va;
+ int len;
+
+ va_start(va, fmt);
+ len = vsnprintf(NULL, 0, fmt, va);
+ va_end(va);
+ if (len < 0)
+ goto fail;
+
+ if (pbuf->len < len) {
+ char *p = av_realloc(pbuf->s, len + 1);
+ if (!p)
+ goto fail;
+ pbuf->s = p;
+ pbuf->len = len;
}
+
+ va_start(va, fmt);
+ len = vsnprintf(pbuf->s, len + 1, fmt, va);
+ va_end(va);
+ if (len < 0)
+ goto fail;
+ return pbuf->s;
+
+fail:
+ av_freep(&pbuf->s);
+ pbuf->len = 0;
+ return NULL;
}
-static void show_packet(AVFormatContext *fmt_ctx, AVPacket *pkt)
+#define print_fmt0(k, f, ...) do { \
+ if (fast_asprintf(&pbuf, f, __VA_ARGS__)) \
+ w->print_string(k, pbuf.s); \
+} while (0)
+#define print_fmt( k, f, ...) do { \
+ if (w->item_sep) \
+ printf("%s", w->item_sep); \
+ print_fmt0(k, f, __VA_ARGS__); \
+} while (0)
+
+#define print_int0(k, v) w->print_integer(k, v)
+#define print_int( k, v) do { \
+ if (w->item_sep) \
+ printf("%s", w->item_sep); \
+ print_int0(k, v); \
+} while (0)
+
+#define print_str0(k, v) print_fmt0(k, "%s", v)
+#define print_str( k, v) print_fmt (k, "%s", v)
+
+
+static void show_packet(struct writer *w, AVFormatContext *fmt_ctx, AVPacket *pkt, int packet_idx)
{
char val_str[128];
AVStream *st = fmt_ctx->streams[pkt->stream_index];
-
- printf("[PACKET]\n");
- printf("codec_type=%s\n" , media_type_string(st->codec->codec_type));
- printf("stream_index=%d\n" , pkt->stream_index);
- printf("pts=%s\n" , ts_value_string (val_str, sizeof(val_str), pkt->pts));
- printf("pts_time=%s\n" , time_value_string(val_str, sizeof(val_str), pkt->pts, &st->time_base));
- printf("dts=%s\n" , ts_value_string (val_str, sizeof(val_str), pkt->dts));
- printf("dts_time=%s\n" , time_value_string(val_str, sizeof(val_str), pkt->dts, &st->time_base));
- printf("duration=%s\n" , ts_value_string (val_str, sizeof(val_str), pkt->duration));
- printf("duration_time=%s\n", time_value_string(val_str, sizeof(val_str), pkt->duration, &st->time_base));
- printf("size=%s\n" , value_string (val_str, sizeof(val_str), pkt->size, unit_byte_str));
- printf("pos=%"PRId64"\n" , pkt->pos);
- printf("flags=%c\n" , pkt->flags & AV_PKT_FLAG_KEY ? 'K' : '_');
- printf("[/PACKET]\n");
+ struct print_buf pbuf = {.s = NULL};
+
+ if (packet_idx)
+ printf("%s", w->items_sep);
+ w->print_header("PACKET");
+ print_str0("codec_type", av_x_if_null(av_get_media_type_string(st->codec->codec_type), "unknown"));
+ print_int("stream_index", pkt->stream_index);
+ print_str("pts", ts_value_string (val_str, sizeof(val_str), pkt->pts));
+ print_str("pts_time", time_value_string(val_str, sizeof(val_str), pkt->pts, &st->time_base));
+ print_str("dts", ts_value_string (val_str, sizeof(val_str), pkt->dts));
+ print_str("dts_time", time_value_string(val_str, sizeof(val_str), pkt->dts, &st->time_base));
+ print_str("duration", ts_value_string (val_str, sizeof(val_str), pkt->duration));
+ print_str("duration_time", time_value_string(val_str, sizeof(val_str), pkt->duration, &st->time_base));
+ print_str("size", value_string (val_str, sizeof(val_str), pkt->size, unit_byte_str));
+ print_fmt("pos", "%"PRId64, pkt->pos);
+ print_fmt("flags", "%c", pkt->flags & AV_PKT_FLAG_KEY ? 'K' : '_');
+ w->print_footer("PACKET");
+ av_free(pbuf.s);
fflush(stdout);
}
-static void show_packets(AVFormatContext *fmt_ctx)
+static void show_packets(struct writer *w, AVFormatContext *fmt_ctx)
{
AVPacket pkt;
+ int i = 0;
av_init_packet(&pkt);
while (!av_read_frame(fmt_ctx, &pkt))
- show_packet(fmt_ctx, &pkt);
+ show_packet(w, fmt_ctx, &pkt, i++);
}
-static void show_stream(AVFormatContext *fmt_ctx, int stream_idx)
+static void json_show_tags(struct writer *w, AVDictionary *dict)
+{
+ AVDictionaryEntry *tag = NULL;
+ struct print_buf pbuf = {.s = NULL};
+ int first = 1;
+
+ if (!dict)
+ return;
+ printf(",\n \"tags\": {\n");
+ while ((tag = av_dict_get(dict, "", tag, AV_DICT_IGNORE_SUFFIX))) {
+ if (first) {
+ print_str0(tag->key, tag->value);
+ first = 0;
+ } else {
+ print_str(tag->key, tag->value);
+ }
+ }
+ printf("\n }");
+ av_free(pbuf.s);
+}
+
+static void default_show_tags(struct writer *w, AVDictionary *dict)
+{
+ AVDictionaryEntry *tag = NULL;
+ struct print_buf pbuf = {.s = NULL};
+ while ((tag = av_dict_get(dict, "", tag, AV_DICT_IGNORE_SUFFIX))) {
+ printf("\nTAG:");
+ print_str0(tag->key, tag->value);
+ }
+ av_free(pbuf.s);
+}
+
+static void show_stream(struct writer *w, AVFormatContext *fmt_ctx, int stream_idx)
{
AVStream *stream = fmt_ctx->streams[stream_idx];
AVCodecContext *dec_ctx;
AVCodec *dec;
char val_str[128];
- AVDictionaryEntry *tag = NULL;
AVRational display_aspect_ratio;
+ struct print_buf pbuf = {.s = NULL};
- printf("[STREAM]\n");
+ if (stream_idx)
+ printf("%s", w->items_sep);
+ w->print_header("STREAM");
- printf("index=%d\n", stream->index);
+ print_int0("index", 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);
+ print_str("codec_name", dec->name);
+ print_str("codec_long_name", dec->long_name);
} else {
- printf("codec_name=unknown\n");
+ print_str("codec_name", "unknown");
}
- printf("codec_type=%s\n", media_type_string(dec_ctx->codec_type));
- printf("codec_time_base=%d/%d\n", dec_ctx->time_base.num, dec_ctx->time_base.den);
+ print_str("codec_type", av_x_if_null(av_get_media_type_string(dec_ctx->codec_type), "unknown"));
+ print_fmt("codec_time_base", "%d/%d", dec_ctx->time_base.num, dec_ctx->time_base.den);
/* print AVI/FourCC tag */
av_get_codec_tag_string(val_str, sizeof(val_str), dec_ctx->codec_tag);
- printf("codec_tag_string=%s\n", val_str);
- printf("codec_tag=0x%04x\n", dec_ctx->codec_tag);
+ print_str("codec_tag_string", val_str);
+ print_fmt("codec_tag", "0x%04x", dec_ctx->codec_tag);
switch (dec_ctx->codec_type) {
case AVMEDIA_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);
+ print_int("width", dec_ctx->width);
+ print_int("height", dec_ctx->height);
+ print_int("has_b_frames", dec_ctx->has_b_frames);
if (dec_ctx->sample_aspect_ratio.num) {
- printf("sample_aspect_ratio=%d:%d\n", dec_ctx->sample_aspect_ratio.num,
- dec_ctx->sample_aspect_ratio.den);
+ print_fmt("sample_aspect_ratio", "%d:%d",
+ dec_ctx->sample_aspect_ratio.num,
+ dec_ctx->sample_aspect_ratio.den);
av_reduce(&display_aspect_ratio.num, &display_aspect_ratio.den,
dec_ctx->width * dec_ctx->sample_aspect_ratio.num,
dec_ctx->height * dec_ctx->sample_aspect_ratio.den,
1024*1024);
- printf("display_aspect_ratio=%d:%d\n", display_aspect_ratio.num,
- display_aspect_ratio.den);
+ print_fmt("display_aspect_ratio", "%d:%d",
+ display_aspect_ratio.num,
+ display_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");
- printf("level=%d\n", dec_ctx->level);
+ print_str("pix_fmt", av_x_if_null(av_get_pix_fmt_name(dec_ctx->pix_fmt), "unknown"));
+ print_int("level", dec_ctx->level);
break;
case AVMEDIA_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));
+ print_str("sample_rate", value_string(val_str, sizeof(val_str), dec_ctx->sample_rate, unit_hertz_str));
+ print_int("channels", dec_ctx->channels);
+ print_int("bits_per_sample", av_get_bits_per_sample(dec_ctx->codec_id));
break;
}
} else {
- printf("codec_type=unknown\n");
+ print_str("codec_type", "unknown");
}
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);
- 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));
+ print_fmt("id=", "0x%x", stream->id);
+ print_fmt("r_frame_rate", "%d/%d", stream->r_frame_rate.num, stream->r_frame_rate.den);
+ print_fmt("avg_frame_rate", "%d/%d", stream->avg_frame_rate.num, stream->avg_frame_rate.den);
+ print_fmt("time_base", "%d/%d", stream->time_base.num, stream->time_base.den);
+ print_str("start_time", time_value_string(val_str, sizeof(val_str), stream->start_time, &stream->time_base));
+ print_str("duration", time_value_string(val_str, sizeof(val_str), stream->duration, &stream->time_base));
if (stream->nb_frames)
- printf("nb_frames=%"PRId64"\n", stream->nb_frames);
+ print_fmt("nb_frames", "%"PRId64, stream->nb_frames);
- while ((tag = av_dict_get(stream->metadata, "", tag, AV_DICT_IGNORE_SUFFIX)))
- printf("TAG:%s=%s\n", tag->key, tag->value);
+ w->show_tags(w, stream->metadata);
- printf("[/STREAM]\n");
+ w->print_footer("STREAM");
+ av_free(pbuf.s);
fflush(stdout);
}
-static void show_format(AVFormatContext *fmt_ctx)
+static void show_streams(struct writer *w, AVFormatContext *fmt_ctx)
{
- AVDictionaryEntry *tag = NULL;
- char val_str[128];
+ int i;
+ for (i = 0; i < fmt_ctx->nb_streams; i++)
+ show_stream(w, fmt_ctx, i);
+}
- 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_dict_get(fmt_ctx->metadata, "", tag, AV_DICT_IGNORE_SUFFIX)))
- printf("TAG:%s=%s\n", tag->key, tag->value);
-
- printf("[/FORMAT]\n");
+static void show_format(struct writer *w, AVFormatContext *fmt_ctx)
+{
+ char val_str[128];
+ struct print_buf pbuf = {.s = NULL};
+
+ w->print_header("FORMAT");
+ print_str0("filename", fmt_ctx->filename);
+ print_int("nb_streams", fmt_ctx->nb_streams);
+ print_str("format_name", fmt_ctx->iformat->name);
+ print_str("format_long_name", fmt_ctx->iformat->long_name);
+ print_str("start_time", time_value_string(val_str, sizeof(val_str), fmt_ctx->start_time, &AV_TIME_BASE_Q));
+ print_str("duration", time_value_string(val_str, sizeof(val_str), fmt_ctx->duration, &AV_TIME_BASE_Q));
+ print_str("size", value_string(val_str, sizeof(val_str), fmt_ctx->file_size, unit_byte_str));
+ print_str("bit_rate", value_string(val_str, sizeof(val_str), fmt_ctx->bit_rate, unit_bit_per_second_str));
+ w->show_tags(w, fmt_ctx->metadata);
+ w->print_footer("FORMAT");
+ av_free(pbuf.s);
fflush(stdout);
}
/* fill the streams in the format context */
- if ((err = av_find_stream_info(fmt_ctx)) < 0) {
+ if ((err = avformat_find_stream_info(fmt_ctx, NULL)) < 0) {
print_error(filename, err);
return err;
}
return 0;
}
+#define WRITER_FUNC(func) \
+ .print_header = func ## _print_header, \
+ .print_footer = func ## _print_footer, \
+ .print_integer = func ## _print_int, \
+ .print_string = func ## _print_str, \
+ .show_tags = func ## _show_tags
+
+static struct writer writers[] = {{
+ .name = "default",
+ .item_sep = "\n",
+ .items_sep = "\n",
+ .section_sep = "\n",
+ .footer = "\n",
+ WRITER_FUNC(default),
+ },{
+ .name = "json",
+ .header = "{",
+ .item_sep = ",\n",
+ .items_sep = ",",
+ .section_sep = ",",
+ .footer = "\n}\n",
+ .print_section_start = json_print_section_start,
+ .print_section_end = json_print_section_end,
+ WRITER_FUNC(json),
+ }
+};
+
+static int get_writer(const char *name)
+{
+ int i;
+ if (!name)
+ return 0;
+ for (i = 0; i < FF_ARRAY_ELEMS(writers); i++)
+ if (!strcmp(writers[i].name, name))
+ return i;
+ return -1;
+}
+
+#define SECTION_PRINT(name, multiple_entries, left) do { \
+ if (do_show_ ## name) { \
+ if (w->print_section_start) \
+ w->print_section_start(#name, multiple_entries); \
+ show_ ## name (w, fmt_ctx); \
+ if (w->print_section_end) \
+ w->print_section_end(#name, multiple_entries); \
+ if (left) \
+ printf("%s", w->section_sep); \
+ } \
+} while (0)
+
static int probe_file(const char *filename)
{
AVFormatContext *fmt_ctx;
- int ret, i;
+ int ret, writer_id;
+ struct writer *w;
+
+ writer_id = get_writer(print_format);
+ if (writer_id < 0) {
+ fprintf(stderr, "Invalid output format '%s'\n", print_format);
+ return AVERROR(EINVAL);
+ }
+ w = &writers[writer_id];
if ((ret = open_input_file(&fmt_ctx, filename)))
return ret;
- if (do_show_packets)
- show_packets(fmt_ctx);
+ if (w->header)
+ printf("%s", w->header);
- if (do_show_streams)
- for (i = 0; i < fmt_ctx->nb_streams; i++)
- show_stream(fmt_ctx, i);
+ SECTION_PRINT(packets, 1, do_show_streams || do_show_format);
+ SECTION_PRINT(streams, 1, do_show_format);
+ SECTION_PRINT(format, 0, 0);
- if (do_show_format)
- show_format(fmt_ctx);
+ if (w->footer)
+ printf("%s", w->footer);
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("usage: %s [OPTIONS] [INPUT_FILE]\n", program_name);
printf("\n");
}
return 0;
}
-static int opt_input_file(const char *opt, const char *arg)
+static void opt_input_file(void *optctx, const char *arg)
{
if (input_filename) {
fprintf(stderr, "Argument '%s' provided as input filename, but '%s' was already specified.\n",
if (!strcmp(arg, "-"))
arg = "pipe:";
input_filename = arg;
- return 0;
}
static int opt_help(const char *opt, const char *arg)
{
+ const AVClass *class = avformat_get_class();
av_log_set_callback(log_callback_help);
show_usage();
show_help_options(options, "Main options:\n", 0, 0);
printf("\n");
- av_opt_show2(avformat_opts, NULL,
+ av_opt_show2(&class, NULL,
AV_OPT_FLAG_DECODING_PARAM, 0);
return 0;
}
"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" },
+ { "print_format", OPT_STRING | HAS_ARG, {(void*)&print_format}, "set the output printing format (available formats are: default, json)", "format" },
{ "show_format", OPT_BOOL, {(void*)&do_show_format} , "show format/container info" },
{ "show_packets", OPT_BOOL, {(void*)&do_show_packets}, "show packets info" },
{ "show_streams", OPT_BOOL, {(void*)&do_show_streams}, "show streams info" },
#endif
show_banner();
- parse_options(argc, argv, options, opt_input_file);
+ parse_options(NULL, 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");
+ fprintf(stderr, "Use -h to get full help or, even better, run 'man %s'.\n", program_name);
exit(1);
}
ret = probe_file(input_filename);
- av_free(avformat_opts);
-
return ret;
}
projects / ffmpeg / blobdiff