/*
- * ffprobe : Simple Media Prober based on the FFmpeg libraries
* Copyright (c) 2007-2010 Stefano Sabatini
*
* This file is part of FFmpeg.
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
+/**
+ * @file
+ * simple media prober based on the FFmpeg libraries
+ */
+
#include "config.h"
#include "libavformat/avformat.h"
const char program_name[] = "ffprobe";
const int program_birth_year = 2007;
+static int do_show_error = 0;
static int do_show_format = 0;
static int do_show_packets = 0;
static int do_show_streams = 0;
static int use_value_prefix = 0;
static int use_byte_value_binary_prefix = 0;
static int use_value_sexagesimal_format = 0;
+static int show_private_data = 1;
static char *print_format;
static void writer_close(WriterContext **wctx)
{
- if (*wctx && (*wctx)->writer->uninit)
- (*wctx)->writer->uninit(*wctx);
+ if (!*wctx)
+ return;
+ if ((*wctx)->writer->uninit)
+ (*wctx)->writer->uninit(*wctx);
av_freep(&((*wctx)->priv));
av_freep(wctx);
}
.show_tags = json_show_tags,
};
+/* XML output */
+
+typedef struct {
+ const AVClass *class;
+ int within_tag;
+ int multiple_entries; ///< tells if the given chapter requires multiple entries
+ int indent_level;
+ int fully_qualified;
+ int xsd_strict;
+ char *buf;
+ size_t buf_size;
+} XMLContext;
+
+#undef OFFSET
+#define OFFSET(x) offsetof(XMLContext, x)
+
+static const AVOption xml_options[] = {
+ {"fully_qualified", "specify if the output should be fully qualified", OFFSET(fully_qualified), AV_OPT_TYPE_INT, {.dbl=0}, 0, 1 },
+ {"q", "specify if the output should be fully qualified", OFFSET(fully_qualified), AV_OPT_TYPE_INT, {.dbl=0}, 0, 1 },
+ {"xsd_strict", "ensure that the output is XSD compliant", OFFSET(xsd_strict), AV_OPT_TYPE_INT, {.dbl=0}, 0, 1 },
+ {"x", "ensure that the output is XSD compliant", OFFSET(xsd_strict), AV_OPT_TYPE_INT, {.dbl=0}, 0, 1 },
+ {NULL},
+};
+
+static const char *xml_get_name(void *ctx)
+{
+ return "xml";
+}
+
+static const AVClass xml_class = {
+ "XMLContext",
+ xml_get_name,
+ xml_options
+};
+
+static av_cold int xml_init(WriterContext *wctx, const char *args, void *opaque)
+{
+ XMLContext *xml = wctx->priv;
+ int err;
+
+ xml->class = &xml_class;
+ av_opt_set_defaults(xml);
+
+ if (args &&
+ (err = (av_set_options_string(xml, args, "=", ":"))) < 0) {
+ av_log(wctx, AV_LOG_ERROR, "Error parsing options string: '%s'\n", args);
+ return err;
+ }
+
+ if (xml->xsd_strict) {
+ xml->fully_qualified = 1;
+#define CHECK_COMPLIANCE(opt, opt_name) \
+ if (opt) { \
+ av_log(wctx, AV_LOG_ERROR, \
+ "XSD-compliant output selected but option '%s' was selected, XML output may be non-compliant.\n" \
+ "You need to disable such option with '-no%s'\n", opt_name, opt_name); \
+ return AVERROR(EINVAL); \
+ }
+ CHECK_COMPLIANCE(show_private_data, "private");
+ CHECK_COMPLIANCE(show_value_unit, "unit");
+ CHECK_COMPLIANCE(use_value_prefix, "prefix");
+ }
+
+ xml->buf_size = ESCAPE_INIT_BUF_SIZE;
+ if (!(xml->buf = av_malloc(xml->buf_size)))
+ return AVERROR(ENOMEM);
+ return 0;
+}
+
+static av_cold void xml_uninit(WriterContext *wctx)
+{
+ XMLContext *xml = wctx->priv;
+ av_freep(&xml->buf);
+}
+
+static const char *xml_escape_str(char **dst, size_t *dst_size, const char *src,
+ void *log_ctx)
+{
+ const char *p;
+ char *q;
+ size_t size = 1;
+
+ /* precompute size */
+ for (p = src; *p; p++, size++) {
+ ESCAPE_CHECK_SIZE(src, size, SIZE_MAX-10);
+ switch (*p) {
+ case '&' : size += strlen("&"); break;
+ case '<' : size += strlen("<"); break;
+ case '>' : size += strlen(">"); break;
+ case '\"': size += strlen("""); break;
+ case '\'': size += strlen("'"); break;
+ default: size++;
+ }
+ }
+ ESCAPE_REALLOC_BUF(dst_size, dst, src, size);
+
+#define COPY_STR(str) { \
+ const char *s = str; \
+ while (*s) \
+ *q++ = *s++; \
+ }
+
+ p = src;
+ q = *dst;
+ while (*p) {
+ switch (*p) {
+ case '&' : COPY_STR("&"); break;
+ case '<' : COPY_STR("<"); break;
+ case '>' : COPY_STR(">"); break;
+ case '\"': COPY_STR("""); break;
+ case '\'': COPY_STR("'"); break;
+ default: *q++ = *p;
+ }
+ p++;
+ }
+ *q = 0;
+
+ return *dst;
+}
+
+static void xml_print_header(WriterContext *wctx)
+{
+ XMLContext *xml = wctx->priv;
+ const char *qual = " xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' "
+ "xmlns:ffprobe='http://www.ffmpeg.org/schema/ffprobe' "
+ "xsi:schemaLocation='http://www.ffmpeg.org/schema/ffprobe ffprobe.xsd'";
+
+ printf("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");
+ printf("<%sffprobe%s>\n",
+ xml->fully_qualified ? "ffprobe:" : "",
+ xml->fully_qualified ? qual : "");
+
+ xml->indent_level++;
+}
+
+static void xml_print_footer(WriterContext *wctx)
+{
+ XMLContext *xml = wctx->priv;
+
+ xml->indent_level--;
+ printf("</%sffprobe>\n", xml->fully_qualified ? "ffprobe:" : "");
+}
+
+#define XML_INDENT() { int i; for (i = 0; i < xml->indent_level; i++) printf(INDENT); }
+
+static void xml_print_chapter_header(WriterContext *wctx, const char *chapter)
+{
+ XMLContext *xml = wctx->priv;
+
+ if (wctx->nb_chapter)
+ printf("\n");
+ xml->multiple_entries = !strcmp(chapter, "packets") || !strcmp(chapter, "streams");
+
+ if (xml->multiple_entries) {
+ XML_INDENT(); printf("<%s>\n", chapter);
+ xml->indent_level++;
+ }
+}
+
+static void xml_print_chapter_footer(WriterContext *wctx, const char *chapter)
+{
+ XMLContext *xml = wctx->priv;
+
+ if (xml->multiple_entries) {
+ xml->indent_level--;
+ XML_INDENT(); printf("</%s>\n", chapter);
+ }
+}
+
+static void xml_print_section_header(WriterContext *wctx, const char *section)
+{
+ XMLContext *xml = wctx->priv;
+
+ XML_INDENT(); printf("<%s ", section);
+ xml->within_tag = 1;
+}
+
+static void xml_print_section_footer(WriterContext *wctx, const char *section)
+{
+ XMLContext *xml = wctx->priv;
+
+ if (xml->within_tag)
+ printf("/>\n");
+ else {
+ XML_INDENT(); printf("</%s>\n", section);
+ }
+}
+
+static void xml_print_str(WriterContext *wctx, const char *key, const char *value)
+{
+ XMLContext *xml = wctx->priv;
+
+ if (wctx->nb_item)
+ printf(" ");
+ printf("%s=\"%s\"", key, xml_escape_str(&xml->buf, &xml->buf_size, value, wctx));
+}
+
+static void xml_print_int(WriterContext *wctx, const char *key, long long int value)
+{
+ if (wctx->nb_item)
+ printf(" ");
+ printf("%s=\"%lld\"", key, value);
+}
+
+static void xml_show_tags(WriterContext *wctx, AVDictionary *dict)
+{
+ XMLContext *xml = wctx->priv;
+ AVDictionaryEntry *tag = NULL;
+ int is_first = 1;
+
+ xml->indent_level++;
+ while ((tag = av_dict_get(dict, "", tag, AV_DICT_IGNORE_SUFFIX))) {
+ if (is_first) {
+ /* close section tag */
+ printf(">\n");
+ xml->within_tag = 0;
+ is_first = 0;
+ }
+ XML_INDENT();
+ printf("<tag key=\"%s\"",
+ xml_escape_str(&xml->buf, &xml->buf_size, tag->key, wctx));
+ printf(" value=\"%s\"/>\n",
+ xml_escape_str(&xml->buf, &xml->buf_size, tag->value, wctx));
+ }
+ xml->indent_level--;
+}
+
+static Writer xml_writer = {
+ .name = "xml",
+ .priv_size = sizeof(XMLContext),
+ .init = xml_init,
+ .uninit = xml_uninit,
+ .print_header = xml_print_header,
+ .print_footer = xml_print_footer,
+ .print_chapter_header = xml_print_chapter_header,
+ .print_chapter_footer = xml_print_chapter_footer,
+ .print_section_header = xml_print_section_header,
+ .print_section_footer = xml_print_section_footer,
+ .print_integer = xml_print_int,
+ .print_string = xml_print_str,
+ .show_tags = xml_show_tags,
+};
+
static void writer_register_all(void)
{
static int initialized;
writer_register(&compact_writer);
writer_register(&csv_writer);
writer_register(&json_writer);
+ writer_register(&xml_writer);
}
#define print_fmt(k, f, ...) do { \
} else {
print_str_opt("codec_type", "unknown");
}
- if (dec_ctx->codec && dec_ctx->codec->priv_class) {
+ if (dec_ctx->codec && dec_ctx->codec->priv_class && show_private_data) {
const AVOption *opt = NULL;
while (opt = av_opt_next(dec_ctx->priv_data,opt)) {
uint8_t *str;
{
char val_str[128];
int64_t size = avio_size(fmt_ctx->pb);
- struct print_buf pbuf = {.s = NULL};
print_section_header("format");
print_str("filename", fmt_ctx->filename);
else print_str_opt("bit_rate", "N/A");
show_tags(fmt_ctx->metadata);
print_section_footer("format");
- av_free(pbuf.s);
fflush(stdout);
}
+static void show_error(WriterContext *w, int err)
+{
+ char errbuf[128];
+ const char *errbuf_ptr = errbuf;
+
+ if (av_strerror(err, errbuf, sizeof(errbuf)) < 0)
+ errbuf_ptr = strerror(AVUNERROR(err));
+
+ writer_print_chapter_header(w, "error");
+ print_section_header("error");
+ print_int("code", err);
+ print_str("string", errbuf_ptr);
+ print_section_footer("error");
+ writer_print_chapter_footer(w, "error");
+}
+
static int open_input_file(AVFormatContext **fmt_ctx_ptr, const char *filename)
{
int err, i;
AVCodec *codec;
if (!(codec = avcodec_find_decoder(stream->codec->codec_id))) {
- fprintf(stderr, "Unsupported codec with id %d for input stream %d\n",
- stream->codec->codec_id, stream->index);
+ av_log(NULL, AV_LOG_ERROR, "Unsupported codec with id %d for input stream %d\n",
+ stream->codec->codec_id, stream->index);
} else if (avcodec_open2(stream->codec, codec, NULL) < 0) {
- fprintf(stderr, "Error while opening codec for input stream %d\n",
- stream->index);
+ av_log(NULL, AV_LOG_ERROR, "Error while opening codec for input stream %d\n",
+ stream->index);
}
}
if ((ret = writer_open(&wctx, w, w_args, NULL)) < 0)
goto end;
- if ((ret = open_input_file(&fmt_ctx, filename)))
- goto end;
writer_print_header(wctx);
- PRINT_CHAPTER(packets);
- PRINT_CHAPTER(streams);
- PRINT_CHAPTER(format);
+ ret = open_input_file(&fmt_ctx, filename);
+ if (ret >= 0) {
+ PRINT_CHAPTER(packets);
+ PRINT_CHAPTER(streams);
+ PRINT_CHAPTER(format);
+ avformat_close_input(&fmt_ctx);
+ } else if (do_show_error) {
+ show_error(wctx, ret);
+ }
writer_print_footer(wctx);
-
- avformat_close_input(&fmt_ctx);
writer_close(&wctx);
end:
static void show_usage(void)
{
- printf("Simple multimedia streams analyzer\n");
- printf("usage: %s [OPTIONS] [INPUT_FILE]\n", program_name);
- printf("\n");
+ av_log(NULL, AV_LOG_INFO, "Simple multimedia streams analyzer\n");
+ av_log(NULL, AV_LOG_INFO, "usage: %s [OPTIONS] [INPUT_FILE]\n", program_name);
+ av_log(NULL, AV_LOG_INFO, "\n");
}
static int opt_format(const char *opt, const char *arg)
{
iformat = av_find_input_format(arg);
if (!iformat) {
- fprintf(stderr, "Unknown input format: %s\n", arg);
+ av_log(NULL, AV_LOG_ERROR, "Unknown input format: %s\n", arg);
return AVERROR(EINVAL);
}
return 0;
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",
- arg, input_filename);
+ av_log(NULL, AV_LOG_ERROR, "Argument '%s' provided as input filename, but '%s' was already specified.\n",
+ arg, input_filename);
exit(1);
}
if (!strcmp(arg, "-"))
{ "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, compact, csv, json)", "format" },
+ "set the output printing format (available formats are: default, compact, csv, json, xml)", "format" },
+ { "show_error", OPT_BOOL, {(void*)&do_show_error} , "show probing error" },
{ "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" },
+ { "show_private_data", OPT_BOOL, {(void*)&show_private_data}, "show private data" },
+ { "private", OPT_BOOL, {(void*)&show_private_data}, "same as show_private_data" },
{ "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
{ "i", HAS_ARG, {(void *)opt_input_file}, "read specified file", "input_file"},
{ NULL, },
avdevice_register_all();
#endif
- show_banner();
+ show_banner(argc, argv, options);
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 %s'.\n", program_name);
+ av_log(NULL, AV_LOG_ERROR, "You have to specify one input file.\n");
+ av_log(NULL, AV_LOG_ERROR, "Use -h to get full help or, even better, run 'man %s'.\n", program_name);
exit(1);
}
projects / ffmpeg / blobdiff