#include "libavformat/avformat.h"
#include "libavcodec/avcodec.h"
+#include "libavutil/avstring.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "libavutil/dict.h"
+#include "libavutil/libm.h"
#include "libavdevice/avdevice.h"
#include "cmdutils.h"
static int use_value_sexagesimal_format = 0;
/* globals */
-static const OptionDef options[];
+static const OptionDef *options;
/* AVprobe context */
static const char *input_filename;
static const char unit_byte_str[] = "byte" ;
static const char unit_bit_per_second_str[] = "bit/s";
-void exit_program(int ret)
+static void exit_program(void)
{
av_dict_free(&fmt_entries_to_show);
- exit(ret);
}
/*
typedef struct {
ProbeElement *prefix;
int level;
+ void (*print_header)(void);
+ void (*print_footer)(void);
+
+ void (*print_array_header) (const char *name);
+ void (*print_array_footer) (const char *name);
+ void (*print_object_header)(const char *name);
+ void (*print_object_footer)(const char *name);
+
+ void (*print_integer) (const char *key, int64_t value);
+ void (*print_string) (const char *key, const char *value);
} OutputContext;
static AVIOContext *probe_out = NULL;
static OutputContext octx;
+#define AVP_INDENT() avio_printf(probe_out, "%*c", octx.level * 2, ' ')
/*
* Default format, INI
avio_w8(probe_out, '\n');
}
+/*
+ * Alternate format, JSON
+ */
+
+static void json_print_header(void)
+{
+ avio_printf(probe_out, "{");
+}
+static void json_print_footer(void)
+{
+ avio_printf(probe_out, "}\n");
+}
+
+static void json_print_array_header(const char *name)
+{
+ if (octx.prefix[octx.level -1].nb_elems)
+ avio_printf(probe_out, ",\n");
+ AVP_INDENT();
+ avio_printf(probe_out, "\"%s\" : ", name);
+ avio_printf(probe_out, "[\n");
+}
+
+static void json_print_array_footer(const char *name)
+{
+ avio_printf(probe_out, "\n");
+ AVP_INDENT();
+ avio_printf(probe_out, "]");
+}
+
+static void json_print_object_header(const char *name)
+{
+ if (octx.prefix[octx.level -1].nb_elems)
+ avio_printf(probe_out, ",\n");
+ AVP_INDENT();
+ if (octx.prefix[octx.level -1].type == OBJECT)
+ avio_printf(probe_out, "\"%s\" : ", name);
+ avio_printf(probe_out, "{\n");
+}
+
+static void json_print_object_footer(const char *name)
+{
+ avio_printf(probe_out, "\n");
+ AVP_INDENT();
+ avio_printf(probe_out, "}");
+}
+
+static void json_print_integer(const char *key, int64_t value)
+{
+ if (octx.prefix[octx.level -1].nb_elems)
+ avio_printf(probe_out, ",\n");
+ AVP_INDENT();
+ avio_printf(probe_out, "\"%s\" : %"PRId64"", key, value);
+}
+
+static void json_escape_print(const char *s)
+{
+ int i = 0;
+ char c = 0;
+
+ while (c = s[i++]) {
+ switch (c) {
+ case '\r': avio_printf(probe_out, "%s", "\\r"); break;
+ case '\n': avio_printf(probe_out, "%s", "\\n"); break;
+ case '\f': avio_printf(probe_out, "%s", "\\f"); break;
+ case '\b': avio_printf(probe_out, "%s", "\\b"); break;
+ case '\t': avio_printf(probe_out, "%s", "\\t"); break;
+ case '\\':
+ case '"' : avio_w8(probe_out, '\\');
+ default:
+ if ((unsigned char)c < 32)
+ avio_printf(probe_out, "\\u00%02x", c & 0xff);
+ else
+ avio_w8(probe_out, c);
+ break;
+ }
+ }
+}
+
+static void json_print_string(const char *key, const char *value)
+{
+ if (octx.prefix[octx.level -1].nb_elems)
+ avio_printf(probe_out, ",\n");
+ AVP_INDENT();
+ avio_w8(probe_out, '\"');
+ json_escape_print(key);
+ avio_printf(probe_out, "\" : \"");
+ json_escape_print(value);
+ avio_w8(probe_out, '\"');
+}
+
+/*
+ * old-style pseudo-INI
+ */
+static void old_print_object_header(const char *name)
+{
+ char *str, *p;
+
+ if (!strcmp(name, "tags"))
+ return;
+
+ str = p = av_strdup(name);
+ while (*p) {
+ *p = av_toupper(*p);
+ p++;
+ }
+
+ avio_printf(probe_out, "[%s]\n", str);
+ av_freep(&str);
+}
+
+static void old_print_object_footer(const char *name)
+{
+ char *str, *p;
+
+ if (!strcmp(name, "tags"))
+ return;
+
+ str = p = av_strdup(name);
+ while (*p) {
+ *p = av_toupper(*p);
+ p++;
+ }
+
+ avio_printf(probe_out, "[/%s]\n", str);
+ av_freep(&str);
+}
+
+static void old_print_string(const char *key, const char *value)
+{
+ if (!strcmp(octx.prefix[octx.level - 1].name, "tags"))
+ avio_printf(probe_out, "TAG:");
+ ini_print_string(key, value);
+}
+
/*
* Simple Formatter for single entries.
*/
}
}
-
-void (*print_header)(void) = ini_print_header;
-void (*print_footer)(void) = ini_print_footer;
-
-void (*print_array_header) (const char *name) = ini_print_array_header;
-void (*print_array_footer) (const char *name);
-void (*print_object_header)(const char *name) = ini_print_object_header;
-void (*print_object_footer)(const char *name);
-
-void (*print_integer) (const char *key, int64_t value) = ini_print_integer;
-void (*print_string) (const char *key, const char *value) = ini_print_string;
-
-
static void probe_group_enter(const char *name, int type)
{
int64_t count = -1;
static void probe_header(void)
{
- if (print_header)
- print_header();
+ if (octx.print_header)
+ octx.print_header();
probe_group_enter("root", OBJECT);
}
static void probe_footer(void)
{
- if (print_footer)
- print_footer();
+ if (octx.print_footer)
+ octx.print_footer();
probe_group_leave();
}
static void probe_array_header(const char *name)
{
- if (print_array_header)
- print_array_header(name);
+ if (octx.print_array_header)
+ octx.print_array_header(name);
probe_group_enter(name, ARRAY);
}
static void probe_array_footer(const char *name)
{
probe_group_leave();
- if (print_array_footer)
- print_array_footer(name);
+ if (octx.print_array_footer)
+ octx.print_array_footer(name);
}
static void probe_object_header(const char *name)
{
- if (print_object_header)
- print_object_header(name);
+ if (octx.print_object_header)
+ octx.print_object_header(name);
probe_group_enter(name, OBJECT);
}
static void probe_object_footer(const char *name)
{
probe_group_leave();
- if (print_object_footer)
- print_object_footer(name);
+ if (octx.print_object_footer)
+ octx.print_object_footer(name);
}
static void probe_int(const char *key, int64_t value)
{
- print_integer(key, value);
+ octx.print_integer(key, value);
octx.prefix[octx.level -1].nb_elems++;
}
static void probe_str(const char *key, const char *value)
{
- print_string(key, value);
+ octx.print_string(key, value);
octx.prefix[octx.level -1].nb_elems++;
}
int index;
if (unit == unit_byte_str && use_byte_value_binary_prefix) {
- index = (int) (log(val)/log(2)) / 10;
+ index = (int) log2(val) / 10;
index = av_clip(index, 0, FF_ARRAY_ELEMS(binary_unit_prefixes) - 1);
val /= pow(2, index * 10);
prefix_string = binary_unit_prefixes[index];
{
AVStream *stream = fmt_ctx->streams[stream_idx];
AVCodecContext *dec_ctx;
- AVCodec *dec;
+ const AVCodec *dec;
+ const char *profile;
char val_str[128];
- AVRational display_aspect_ratio;
+ AVRational display_aspect_ratio, *sar = NULL;
+ const AVPixFmtDescriptor *desc;
probe_object_header("stream");
probe_str("codec_tag", tag_string(val_str, sizeof(val_str),
dec_ctx->codec_tag));
+ /* print profile, if there is one */
+ if (dec && (profile = av_get_profile_name(dec, dec_ctx->profile)))
+ probe_str("profile", profile);
+
switch (dec_ctx->codec_type) {
case AVMEDIA_TYPE_VIDEO:
probe_int("width", dec_ctx->width);
probe_int("height", dec_ctx->height);
probe_int("has_b_frames", dec_ctx->has_b_frames);
- if (dec_ctx->sample_aspect_ratio.num) {
+ if (dec_ctx->sample_aspect_ratio.num)
+ sar = &dec_ctx->sample_aspect_ratio;
+ else if (stream->sample_aspect_ratio.num)
+ sar = &stream->sample_aspect_ratio;
+
+ if (sar) {
probe_str("sample_aspect_ratio",
- rational_string(val_str, sizeof(val_str), ":",
- &dec_ctx->sample_aspect_ratio));
+ rational_string(val_str, sizeof(val_str), ":", sar));
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,
+ dec_ctx->width * sar->num, dec_ctx->height * sar->den,
1024*1024);
probe_str("display_aspect_ratio",
rational_string(val_str, sizeof(val_str), ":",
&display_aspect_ratio));
}
- probe_str("pix_fmt",
- dec_ctx->pix_fmt != PIX_FMT_NONE ? av_pix_fmt_descriptors[dec_ctx->pix_fmt].name
- : "unknown");
+ desc = av_pix_fmt_desc_get(dec_ctx->pix_fmt);
+ probe_str("pix_fmt", desc ? desc->name : "unknown");
probe_int("level", dec_ctx->level);
break;
if (fmt_ctx->iformat->flags & AVFMT_SHOW_IDS)
probe_int("id", stream->id);
- probe_str("r_frame_rate",
- rational_string(val_str, sizeof(val_str), "/",
- &stream->r_frame_rate));
probe_str("avg_frame_rate",
rational_string(val_str, sizeof(val_str), "/",
&stream->avg_frame_rate));
+ if (dec_ctx->bit_rate)
+ probe_str("bit_rate",
+ value_string(val_str, sizeof(val_str),
+ dec_ctx->bit_rate, unit_bit_per_second_str));
probe_str("time_base",
rational_string(val_str, sizeof(val_str), "/",
&stream->time_base));
AVStream *stream = fmt_ctx->streams[i];
AVCodec *codec;
- if (!(codec = avcodec_find_decoder(stream->codec->codec_id))) {
+ if (stream->codec->codec_id == AV_CODEC_ID_PROBE) {
+ fprintf(stderr, "Failed to probe codec for input stream %d\n",
+ stream->index);
+ } else 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);
printf("\n");
}
-static int opt_format(const char *opt, const char *arg)
+static int opt_format(void *optctx, const char *opt, const char *arg)
{
iformat = av_find_input_format(arg);
if (!iformat) {
return 0;
}
-static int opt_show_format_entry(const char *opt, const char *arg)
+static int opt_output_format(void *optctx, const char *opt, const char *arg)
+{
+
+ if (!strcmp(arg, "json")) {
+ octx.print_header = json_print_header;
+ octx.print_footer = json_print_footer;
+ octx.print_array_header = json_print_array_header;
+ octx.print_array_footer = json_print_array_footer;
+ octx.print_object_header = json_print_object_header;
+ octx.print_object_footer = json_print_object_footer;
+
+ octx.print_integer = json_print_integer;
+ octx.print_string = json_print_string;
+ } else if (!strcmp(arg, "ini")) {
+ octx.print_header = ini_print_header;
+ octx.print_footer = ini_print_footer;
+ octx.print_array_header = ini_print_array_header;
+ octx.print_object_header = ini_print_object_header;
+
+ octx.print_integer = ini_print_integer;
+ octx.print_string = ini_print_string;
+ } else if (!strcmp(arg, "old")) {
+ octx.print_header = NULL;
+ octx.print_object_header = old_print_object_header;
+ octx.print_object_footer = old_print_object_footer;
+
+ octx.print_string = old_print_string;
+ } else {
+ av_log(NULL, AV_LOG_ERROR, "Unsupported formatter %s\n", arg);
+ return AVERROR(EINVAL);
+ }
+ return 0;
+}
+
+static int opt_show_format_entry(void *optctx, const char *opt, const char *arg)
{
do_show_format = 1;
nb_fmt_entries_to_show++;
- print_header = NULL;
- print_footer = NULL;
- print_array_header = NULL;
- print_array_footer = NULL;
- print_object_header = NULL;
- print_object_footer = NULL;
-
- print_integer = show_format_entry_integer;
- print_string = show_format_entry_string;
+ octx.print_header = NULL;
+ octx.print_footer = NULL;
+ octx.print_array_header = NULL;
+ octx.print_array_footer = NULL;
+ octx.print_object_header = NULL;
+ octx.print_object_footer = NULL;
+
+ octx.print_integer = show_format_entry_integer;
+ octx.print_string = show_format_entry_string;
av_dict_set(&fmt_entries_to_show, arg, "", 0);
return 0;
}
input_filename = arg;
}
-static void show_help(void)
+void show_help_default(const char *opt, const char *arg)
{
av_log_set_callback(log_callback_help);
show_usage();
- show_help_options(options, "Main options:\n", 0, 0);
+ show_help_options(options, "Main options:", 0, 0, 0);
printf("\n");
show_help_children(avformat_get_class(), AV_OPT_FLAG_DECODING_PARAM);
}
-static void opt_pretty(void)
+static int opt_pretty(void *optctx, const char *opt, const char *arg)
{
show_value_unit = 1;
use_value_prefix = 1;
use_byte_value_binary_prefix = 1;
use_value_sexagesimal_format = 1;
+ return 0;
}
-static const OptionDef options[] = {
+static const OptionDef real_options[] = {
#include "cmdutils_common_opts.h"
- { "f", HAS_ARG, {(void*)opt_format}, "force format", "format" },
- { "unit", OPT_BOOL, {(void*)&show_value_unit},
+ { "f", HAS_ARG, {.func_arg = opt_format}, "force format", "format" },
+ { "of", HAS_ARG, {.func_arg = opt_output_format}, "output the document either as ini or json", "output_format" },
+ { "unit", OPT_BOOL, {&show_value_unit},
"show unit of the displayed values" },
- { "prefix", OPT_BOOL, {(void*)&use_value_prefix},
+ { "prefix", OPT_BOOL, {&use_value_prefix},
"use SI prefixes for the displayed values" },
- { "byte_binary_prefix", OPT_BOOL, {(void*)&use_byte_value_binary_prefix},
+ { "byte_binary_prefix", OPT_BOOL, {&use_byte_value_binary_prefix},
"use binary prefixes for byte units" },
- { "sexagesimal", OPT_BOOL, {(void*)&use_value_sexagesimal_format},
+ { "sexagesimal", OPT_BOOL, {&use_value_sexagesimal_format},
"use sexagesimal format HOURS:MM:SS.MICROSECONDS for time units" },
- { "pretty", 0, {(void*)&opt_pretty},
+ { "pretty", 0, {.func_arg = 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_format_entry", HAS_ARG, {(void*)opt_show_format_entry},
+ { "show_format", OPT_BOOL, {&do_show_format} , "show format/container info" },
+ { "show_format_entry", HAS_ARG, {.func_arg = opt_show_format_entry},
"show a particular entry from the format/container info", "entry" },
- { "show_packets", OPT_BOOL, {(void*)&do_show_packets}, "show packets info" },
- { "show_streams", OPT_BOOL, {(void*)&do_show_streams}, "show streams info" },
- { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default},
+ { "show_packets", OPT_BOOL, {&do_show_packets}, "show packets info" },
+ { "show_streams", OPT_BOOL, {&do_show_streams}, "show streams info" },
+ { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {.func_arg = opt_default},
"generic catch all option", "" },
{ NULL, },
};
if (!buffer)
exit(1);
+ atexit(exit_program);
+
+ options = real_options;
parse_loglevel(argc, argv, options);
av_register_all();
avformat_network_init();
#endif
show_banner();
+
+ octx.print_header = ini_print_header;
+ octx.print_footer = ini_print_footer;
+
+ octx.print_array_header = ini_print_array_header;
+ octx.print_object_header = ini_print_object_header;
+
+ octx.print_integer = ini_print_integer;
+ octx.print_string = ini_print_string;
+
parse_options(NULL, argc, argv, options, opt_input_file);
if (!input_filename) {
projects / ffmpeg / blobdiff