/*
- * 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 const char *unit_byte_str = "byte" ;
static const char *unit_bit_per_second_str = "bit/s";
-void exit_program(int ret)
+void av_noreturn exit_program(int ret)
{
exit(ret);
}
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 {
- double d = val * av_q2d(*time_base);
- value_string(buf, buf_size, (struct unit_value){.val.d=d, .unit=unit_second_str});
- }
-
- return buf;
-}
-
-static char *ts_value_string (char *buf, int buf_size, int64_t ts)
-{
- if (ts == AV_NOPTS_VALUE) {
- snprintf(buf, buf_size, "N/A");
- } else {
- snprintf(buf, buf_size, "%"PRId64, ts);
- }
-
- return buf;
-}
-
/* WRITERS API */
typedef struct WriterContext WriterContext;
+#define WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS 1
+
typedef struct Writer {
int priv_size; ///< private size for the writer context
const char *name;
void (*print_chapter_footer)(WriterContext *wctx, const char *);
void (*print_section_header)(WriterContext *wctx, const char *);
void (*print_section_footer)(WriterContext *wctx, const char *);
- void (*print_integer) (WriterContext *wctx, const char *, int);
+ void (*print_integer) (WriterContext *wctx, const char *, long long int);
void (*print_string) (WriterContext *wctx, const char *, const char *);
void (*show_tags) (WriterContext *wctx, AVDictionary *dict);
+ int flags; ///< a combination or WRITER_FLAG_*
} Writer;
struct WriterContext {
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);
}
}
static inline void writer_print_integer(WriterContext *wctx,
- const char *key, int val)
+ const char *key, long long int val)
{
wctx->writer->print_integer(wctx, key, val);
wctx->nb_item++;
}
static inline void writer_print_string(WriterContext *wctx,
- const char *key, const char *val)
+ const char *key, const char *val, int opt)
{
+ if (opt && !(wctx->writer->flags & WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS))
+ return;
wctx->writer->print_string(wctx, key, val);
wctx->nb_item++;
}
+static void writer_print_time(WriterContext *wctx, const char *key,
+ int64_t ts, const AVRational *time_base)
+{
+ char buf[128];
+
+ if (ts == AV_NOPTS_VALUE) {
+ writer_print_string(wctx, key, "N/A", 1);
+ } else {
+ double d = ts * av_q2d(*time_base);
+ value_string(buf, sizeof(buf), (struct unit_value){.val.d=d, .unit=unit_second_str});
+ writer_print_string(wctx, key, buf, 0);
+ }
+}
+
+static void writer_print_ts(WriterContext *wctx, const char *key, int64_t ts)
+{
+ if (ts == AV_NOPTS_VALUE) {
+ writer_print_string(wctx, key, "N/A", 1);
+ } else {
+ writer_print_integer(wctx, key, ts);
+ }
+}
+
static inline void writer_show_tags(WriterContext *wctx, AVDictionary *dict)
{
wctx->writer->show_tags(wctx, dict);
#define MAX_REGISTERED_WRITERS_NB 64
-static Writer *registered_writers[MAX_REGISTERED_WRITERS_NB + 1];
+static const Writer *registered_writers[MAX_REGISTERED_WRITERS_NB + 1];
-static int writer_register(Writer *writer)
+static int writer_register(const Writer *writer)
{
static int next_registered_writer_idx = 0;
return 0;
}
-static Writer *writer_get_by_name(const char *name)
+static const Writer *writer_get_by_name(const char *name)
{
int i;
printf("%s=%s\n", key, value);
}
-static void default_print_int(WriterContext *wctx, const char *key, int value)
+static void default_print_int(WriterContext *wctx, const char *key, long long int value)
{
- printf("%s=%d\n", key, value);
+ printf("%s=%lld\n", key, value);
}
static void default_show_tags(WriterContext *wctx, AVDictionary *dict)
AVDictionaryEntry *tag = NULL;
while ((tag = av_dict_get(dict, "", tag, AV_DICT_IGNORE_SUFFIX))) {
printf("TAG:");
- writer_print_string(wctx, tag->key, tag->value);
+ writer_print_string(wctx, tag->key, tag->value, 0);
}
}
-static Writer default_writer = {
+static const Writer default_writer = {
.name = "default",
.print_footer = default_print_footer,
.print_chapter_header = default_print_chapter_header,
.print_section_footer = default_print_section_footer,
.print_integer = default_print_int,
.print_string = default_print_str,
- .show_tags = default_show_tags
+ .show_tags = default_show_tags,
+ .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS,
+};
+
+/* Compact output */
+
+/**
+ * Escape \n, \r, \\ and sep characters contained in s, and print the
+ * resulting string.
+ */
+static const char *c_escape_str(char **dst, size_t *dst_size,
+ const char *src, const char sep, 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-2);
+ if (*p == '\n' || *p == '\r' || *p == '\\')
+ size++;
+ }
+
+ ESCAPE_REALLOC_BUF(dst_size, dst, src, size);
+
+ q = *dst;
+ for (p = src; *p; p++) {
+ switch (*src) {
+ case '\n': *q++ = '\\'; *q++ = 'n'; break;
+ case '\r': *q++ = '\\'; *q++ = 'r'; break;
+ case '\\': *q++ = '\\'; *q++ = '\\'; break;
+ default:
+ if (*p == sep)
+ *q++ = '\\';
+ *q++ = *p;
+ }
+ }
+ *q = 0;
+ return *dst;
+}
+
+/**
+ * Quote fields containing special characters, check RFC4180.
+ */
+static const char *csv_escape_str(char **dst, size_t *dst_size,
+ const char *src, const char sep, void *log_ctx)
+{
+ const char *p;
+ char *q;
+ size_t size = 1;
+ int quote = 0;
+
+ /* precompute size */
+ for (p = src; *p; p++, size++) {
+ ESCAPE_CHECK_SIZE(src, size, SIZE_MAX-4);
+ if (*p == '"' || *p == sep || *p == '\n' || *p == '\r')
+ if (!quote) {
+ quote = 1;
+ size += 2;
+ }
+ if (*p == '"')
+ size++;
+ }
+
+ ESCAPE_REALLOC_BUF(dst_size, dst, src, size);
+
+ q = *dst;
+ p = src;
+ if (quote)
+ *q++ = '\"';
+ while (*p) {
+ if (*p == '"')
+ *q++ = '\"';
+ *q++ = *p++;
+ }
+ if (quote)
+ *q++ = '\"';
+ *q = 0;
+
+ return *dst;
+}
+
+static const char *none_escape_str(char **dst, size_t *dst_size,
+ const char *src, const char sep, void *log_ctx)
+{
+ return src;
+}
+
+typedef struct CompactContext {
+ const AVClass *class;
+ char *item_sep_str;
+ char item_sep;
+ int nokey;
+ char *buf;
+ size_t buf_size;
+ char *escape_mode_str;
+ const char * (*escape_str)(char **dst, size_t *dst_size,
+ const char *src, const char sep, void *log_ctx);
+} CompactContext;
+
+#define OFFSET(x) offsetof(CompactContext, x)
+
+static const AVOption compact_options[]= {
+ {"item_sep", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str="|"}, CHAR_MIN, CHAR_MAX },
+ {"s", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str="|"}, CHAR_MIN, CHAR_MAX },
+ {"nokey", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.dbl=0}, 0, 1 },
+ {"nk", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.dbl=0}, 0, 1 },
+ {"escape", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="c"}, CHAR_MIN, CHAR_MAX },
+ {"e", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="c"}, CHAR_MIN, CHAR_MAX },
+ {NULL},
+};
+
+static const char *compact_get_name(void *ctx)
+{
+ return "compact";
+}
+
+static const AVClass compact_class = {
+ "CompactContext",
+ compact_get_name,
+ compact_options
+};
+
+static av_cold int compact_init(WriterContext *wctx, const char *args, void *opaque)
+{
+ CompactContext *compact = wctx->priv;
+ int err;
+
+ compact->class = &compact_class;
+ av_opt_set_defaults(compact);
+
+ if (args &&
+ (err = (av_set_options_string(compact, args, "=", ":"))) < 0) {
+ av_log(wctx, AV_LOG_ERROR, "Error parsing options string: '%s'\n", args);
+ return err;
+ }
+ if (strlen(compact->item_sep_str) != 1) {
+ av_log(wctx, AV_LOG_ERROR, "Item separator '%s' specified, but must contain a single character\n",
+ compact->item_sep_str);
+ return AVERROR(EINVAL);
+ }
+ compact->item_sep = compact->item_sep_str[0];
+
+ compact->buf_size = ESCAPE_INIT_BUF_SIZE;
+ if (!(compact->buf = av_malloc(compact->buf_size)))
+ return AVERROR(ENOMEM);
+
+ if (!strcmp(compact->escape_mode_str, "none")) compact->escape_str = none_escape_str;
+ else if (!strcmp(compact->escape_mode_str, "c" )) compact->escape_str = c_escape_str;
+ else if (!strcmp(compact->escape_mode_str, "csv" )) compact->escape_str = csv_escape_str;
+ else {
+ av_log(wctx, AV_LOG_ERROR, "Unknown escape mode '%s'\n", compact->escape_mode_str);
+ return AVERROR(EINVAL);
+ }
+
+ return 0;
+}
+
+static av_cold void compact_uninit(WriterContext *wctx)
+{
+ CompactContext *compact = wctx->priv;
+
+ av_freep(&compact->item_sep_str);
+ av_freep(&compact->buf);
+ av_freep(&compact->escape_mode_str);
+}
+
+static void compact_print_section_header(WriterContext *wctx, const char *section)
+{
+ CompactContext *compact = wctx->priv;
+
+ printf("%s%c", section, compact->item_sep);
+}
+
+static void compact_print_section_footer(WriterContext *wctx, const char *section)
+{
+ printf("\n");
+}
+
+static void compact_print_str(WriterContext *wctx, const char *key, const char *value)
+{
+ CompactContext *compact = wctx->priv;
+
+ if (wctx->nb_item) printf("%c", compact->item_sep);
+ if (!compact->nokey)
+ printf("%s=", key);
+ printf("%s", compact->escape_str(&compact->buf, &compact->buf_size,
+ value, compact->item_sep, wctx));
+}
+
+static void compact_print_int(WriterContext *wctx, const char *key, long long int value)
+{
+ CompactContext *compact = wctx->priv;
+
+ if (wctx->nb_item) printf("%c", compact->item_sep);
+ if (!compact->nokey)
+ printf("%s=", key);
+ printf("%lld", value);
+}
+
+static void compact_show_tags(WriterContext *wctx, AVDictionary *dict)
+{
+ CompactContext *compact = wctx->priv;
+ AVDictionaryEntry *tag = NULL;
+
+ while ((tag = av_dict_get(dict, "", tag, AV_DICT_IGNORE_SUFFIX))) {
+ if (wctx->nb_item) printf("%c", compact->item_sep);
+ if (!compact->nokey)
+ printf("tag:%s=", compact->escape_str(&compact->buf, &compact->buf_size,
+ tag->key, compact->item_sep, wctx));
+ printf("%s", compact->escape_str(&compact->buf, &compact->buf_size,
+ tag->value, compact->item_sep, wctx));
+ }
+}
+
+static const Writer compact_writer = {
+ .name = "compact",
+ .priv_size = sizeof(CompactContext),
+ .init = compact_init,
+ .uninit = compact_uninit,
+ .print_section_header = compact_print_section_header,
+ .print_section_footer = compact_print_section_footer,
+ .print_integer = compact_print_int,
+ .print_string = compact_print_str,
+ .show_tags = compact_show_tags,
+ .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS,
+};
+
+/* CSV output */
+
+static av_cold int csv_init(WriterContext *wctx, const char *args, void *opaque)
+{
+ return compact_init(wctx, "item_sep=,:nokey=1:escape=csv", opaque);
+}
+
+static const Writer csv_writer = {
+ .name = "csv",
+ .priv_size = sizeof(CompactContext),
+ .init = csv_init,
+ .uninit = compact_uninit,
+ .print_section_header = compact_print_section_header,
+ .print_section_footer = compact_print_section_footer,
+ .print_integer = compact_print_int,
+ .print_string = compact_print_str,
+ .show_tags = compact_show_tags,
+ .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS,
};
/* JSON output */
json_print_item_str(wctx, key, value, INDENT);
}
-static void json_print_int(WriterContext *wctx, const char *key, int value)
+static void json_print_int(WriterContext *wctx, const char *key, long long int value)
{
JSONContext *json = wctx->priv;
if (wctx->nb_item) printf(",\n");
- printf(INDENT "\"%s\": %d",
+ printf(INDENT "\"%s\": %lld",
json_escape_str(&json->buf, &json->buf_size, key, wctx), value);
}
printf("\n }");
}
-static Writer json_writer = {
- .name = "json",
- .priv_size = sizeof(JSONContext),
-
+static const Writer json_writer = {
+ .name = "json",
+ .priv_size = sizeof(JSONContext),
.init = json_init,
.uninit = json_uninit,
.print_header = json_print_header,
.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;
initialized = 1;
writer_register(&default_writer);
+ writer_register(&compact_writer);
+ writer_register(&csv_writer);
writer_register(&json_writer);
+ writer_register(&xml_writer);
}
#define print_fmt(k, f, ...) do { \
if (fast_asprintf(&pbuf, f, __VA_ARGS__)) \
- writer_print_string(w, k, pbuf.s); \
+ writer_print_string(w, k, pbuf.s, 0); \
+} while (0)
+
+#define print_fmt_opt(k, f, ...) do { \
+ if (fast_asprintf(&pbuf, f, __VA_ARGS__)) \
+ writer_print_string(w, k, pbuf.s, 1); \
} while (0)
#define print_int(k, v) writer_print_integer(w, k, v)
-#define print_str(k, v) writer_print_string(w, k, v)
-#define print_ts(k, v) writer_print_string(w, k, ts_value_string (val_str, sizeof(val_str), v))
-#define print_time(k, v, tb) writer_print_string(w, k, time_value_string(val_str, sizeof(val_str), v, tb))
-#define print_val(k, v, u) writer_print_string(w, k, value_string (val_str, sizeof(val_str), \
- (struct unit_value){.val.i = v, .unit=u}))
+#define print_str(k, v) writer_print_string(w, k, v, 0)
+#define print_str_opt(k, v) writer_print_string(w, k, v, 1)
+#define print_time(k, v, tb) writer_print_time(w, k, v, tb)
+#define print_ts(k, v) writer_print_ts(w, k, v)
+#define print_val(k, v, u) writer_print_string(w, k, \
+ value_string(val_str, sizeof(val_str), (struct unit_value){.val.i = v, .unit=u}), 0)
#define print_section_header(s) writer_print_section_header(w, s)
#define print_section_footer(s) writer_print_section_footer(w, s)
#define show_tags(metadata) writer_show_tags(w, metadata)
char val_str[128];
AVStream *st = fmt_ctx->streams[pkt->stream_index];
struct print_buf pbuf = {.s = NULL};
+ const char *s;
print_section_header("packet");
- print_str("codec_type", av_x_if_null(av_get_media_type_string(st->codec->codec_type), "unknown"));
+ s = av_get_media_type_string(st->codec->codec_type);
+ if (s) print_str ("codec_type", s);
+ else print_str_opt("codec_type", "unknown");
print_int("stream_index", pkt->stream_index);
print_ts ("pts", pkt->pts);
print_time("pts_time", pkt->pts, &st->time_base);
print_ts ("duration", pkt->duration);
print_time("duration_time", pkt->duration, &st->time_base);
print_val("size", pkt->size, unit_byte_str);
- print_fmt("pos", "%"PRId64, pkt->pos);
+ if (pkt->pos != -1) print_fmt ("pos", "%"PRId64, pkt->pos);
+ else print_str_opt("pos", "N/A");
print_fmt("flags", "%c", pkt->flags & AV_PKT_FLAG_KEY ? 'K' : '_');
print_section_footer("packet");
AVCodecContext *dec_ctx;
AVCodec *dec;
char val_str[128];
+ const char *s;
AVRational display_aspect_ratio;
struct print_buf pbuf = {.s = NULL};
print_str("codec_name", dec->name);
print_str("codec_long_name", dec->long_name);
} else {
- print_str("codec_name", "unknown");
+ print_str_opt("codec_name", "unknown");
+ print_str_opt("codec_long_name", "unknown");
}
- print_str("codec_type", av_x_if_null(av_get_media_type_string(dec_ctx->codec_type), "unknown"));
+ s = av_get_media_type_string(dec_ctx->codec_type);
+ if (s) print_str ("codec_type", s);
+ else print_str_opt("codec_type", "unknown");
print_fmt("codec_time_base", "%d/%d", dec_ctx->time_base.num, dec_ctx->time_base.den);
/* print AVI/FourCC tag */
print_fmt("display_aspect_ratio", "%d:%d",
display_aspect_ratio.num,
display_aspect_ratio.den);
+ } else {
+ print_str_opt("sample_aspect_ratio", "N/A");
+ print_str_opt("display_aspect_ratio", "N/A");
}
- print_str("pix_fmt", av_x_if_null(av_get_pix_fmt_name(dec_ctx->pix_fmt), "unknown"));
+ s = av_get_pix_fmt_name(dec_ctx->pix_fmt);
+ if (s) print_str ("pix_fmt", s);
+ else print_str_opt("pix_fmt", "unknown");
print_int("level", dec_ctx->level);
+ if (dec_ctx->timecode_frame_start >= 0) {
+ uint32_t tc = dec_ctx->timecode_frame_start;
+ print_fmt("timecode", "%02d:%02d:%02d%c%02d",
+ tc>>19 & 0x1f, // hours
+ tc>>13 & 0x3f, // minutes
+ tc>>6 & 0x3f, // seconds
+ tc & 1<<24 ? ';' : ':', // drop
+ tc & 0x3f); // frames
+ } else {
+ print_str_opt("timecode", "N/A");
+ }
break;
case AVMEDIA_TYPE_AUDIO:
- print_str("sample_fmt",
- av_x_if_null(av_get_sample_fmt_name(dec_ctx->sample_fmt), "unknown"));
+ s = av_get_sample_fmt_name(dec_ctx->sample_fmt);
+ if (s) print_str ("sample_fmt", s);
+ else print_str_opt("sample_fmt", "unknown");
print_val("sample_rate", 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 {
- print_str("codec_type", "unknown");
+ 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;
}
}
- if (fmt_ctx->iformat->flags & AVFMT_SHOW_IDS)
- print_fmt("id", "0x%x", stream->id);
+ if (fmt_ctx->iformat->flags & AVFMT_SHOW_IDS) print_fmt ("id", "0x%x", stream->id);
+ else print_str_opt("id", "N/A");
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_time("start_time", stream->start_time, &stream->time_base);
print_time("duration", stream->duration, &stream->time_base);
- if (stream->nb_frames)
- print_fmt("nb_frames", "%"PRId64, stream->nb_frames);
-
+ if (stream->nb_frames) print_fmt ("nb_frames", "%"PRId64, stream->nb_frames);
+ else print_str_opt("nb_frames", "N/A");
show_tags(stream->metadata);
print_section_footer("stream");
{
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);
print_str("format_long_name", fmt_ctx->iformat->long_name);
print_time("start_time", fmt_ctx->start_time, &AV_TIME_BASE_Q);
print_time("duration", fmt_ctx->duration, &AV_TIME_BASE_Q);
- if (size >= 0)
- print_val("size", size, unit_byte_str);
- print_val("bit_rate", fmt_ctx->bit_rate, unit_bit_per_second_str);
+ if (size >= 0) print_val ("size", size, unit_byte_str);
+ else print_str_opt("size", "N/A");
+ if (fmt_ctx->bit_rate > 0) print_val ("bit_rate", fmt_ctx->bit_rate, unit_bit_per_second_str);
+ 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);
}
}
{
AVFormatContext *fmt_ctx;
int ret;
- Writer *w;
+ const Writer *w;
char *buf;
char *w_name = NULL, *w_args = NULL;
WriterContext *wctx;
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);
-
- av_close_input_file(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, "-"))
"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" },
+ { "print_format", OPT_STRING | HAS_ARG, {(void*)&print_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