#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"
const int program_birth_year = 2007;
static int do_show_format = 0;
+static AVDictionary *fmt_entries_to_show = NULL;
+static int nb_fmt_entries_to_show;
static int do_show_packets = 0;
static int do_show_streams = 0;
static int use_value_sexagesimal_format = 0;
/* globals */
-static const OptionDef options[];
+static const OptionDef *options;
/* AVprobe 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 *const binary_unit_prefixes [] = { "", "Ki", "Mi", "Gi", "Ti", "Pi" };
+static const char *const 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 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";
-void exit_program(int ret)
+static void avprobe_cleanup(int ret)
{
- exit(ret);
+ av_dict_free(&fmt_entries_to_show);
+}
+
+/*
+ * The output is structured in array and objects that might contain items
+ * Array could require the objects within to not be named.
+ * Object could require the items within to be named.
+ *
+ * For flat representation the name of each section is saved on prefix so it
+ * can be rendered in order to represent nested structures (e.g. array of
+ * objects for the packets list).
+ *
+ * Within an array each element can need an unique identifier or an index.
+ *
+ * Nesting level is accounted separately.
+ */
+
+typedef enum {
+ ARRAY,
+ OBJECT
+} PrintElementType;
+
+typedef struct PrintElement {
+ const char *name;
+ PrintElementType type;
+ int64_t index;
+ int64_t nb_elems;
+} PrintElement;
+
+typedef struct PrintContext {
+ PrintElement *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);
+} PrintContext;
+
+static AVIOContext *probe_out = NULL;
+static PrintContext octx;
+#define AVP_INDENT() avio_printf(probe_out, "%*c", octx.level * 2, ' ')
+
+/*
+ * Default format, INI
+ *
+ * - all key and values are utf8
+ * - '.' is the subgroup separator
+ * - newlines and the following characters are escaped
+ * - '\' is the escape character
+ * - '#' is the comment
+ * - '=' is the key/value separators
+ * - ':' is not used but usually parsed as key/value separator
+ */
+
+static void ini_print_header(void)
+{
+ avio_printf(probe_out, "# avprobe output\n\n");
+}
+static void ini_print_footer(void)
+{
+ avio_w8(probe_out, '\n');
+}
+
+static void ini_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 '#' :
+ case '=' :
+ case ':' : avio_w8(probe_out, '\\');
+ default:
+ if ((unsigned char)c < 32)
+ avio_printf(probe_out, "\\x00%02x", c & 0xff);
+ else
+ avio_w8(probe_out, c);
+ break;
+ }
+ }
+}
+
+static void ini_print_array_header(const char *name)
+{
+ if (octx.prefix[octx.level -1].nb_elems)
+ avio_printf(probe_out, "\n");
+}
+
+static void ini_print_object_header(const char *name)
+{
+ int i;
+ PrintElement *el = octx.prefix + octx.level -1;
+
+ if (el->nb_elems)
+ avio_printf(probe_out, "\n");
+
+ avio_printf(probe_out, "[");
+
+ for (i = 1; i < octx.level; i++) {
+ el = octx.prefix + i;
+ avio_printf(probe_out, "%s.", el->name);
+ if (el->index >= 0)
+ avio_printf(probe_out, "%"PRId64".", el->index);
+ }
+
+ avio_printf(probe_out, "%s", name);
+ if (el->type == ARRAY)
+ avio_printf(probe_out, ".%"PRId64"", el->nb_elems);
+ avio_printf(probe_out, "]\n");
+}
+
+static void ini_print_integer(const char *key, int64_t value)
+{
+ ini_escape_print(key);
+ avio_printf(probe_out, "=%"PRId64"\n", value);
+}
+
+
+static void ini_print_string(const char *key, const char *value)
+{
+ ini_escape_print(key);
+ avio_printf(probe_out, "=");
+ ini_escape_print(value);
+ 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);
+ if (!str)
+ return;
+ 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);
+ if (!str)
+ return;
+ 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.
+ */
+
+static void show_format_entry_integer(const char *key, int64_t value)
+{
+ if (key && av_dict_get(fmt_entries_to_show, key, NULL, 0)) {
+ if (nb_fmt_entries_to_show > 1)
+ avio_printf(probe_out, "%s=", key);
+ avio_printf(probe_out, "%"PRId64"\n", value);
+ }
+}
+
+static void show_format_entry_string(const char *key, const char *value)
+{
+ if (key && av_dict_get(fmt_entries_to_show, key, NULL, 0)) {
+ if (nb_fmt_entries_to_show > 1)
+ avio_printf(probe_out, "%s=", key);
+ avio_printf(probe_out, "%s\n", value);
+ }
+}
+
+static void probe_group_enter(const char *name, int type)
+{
+ int64_t count = -1;
+
+ octx.prefix =
+ av_realloc(octx.prefix, sizeof(PrintElement) * (octx.level + 1));
+
+ if (!octx.prefix || !name) {
+ fprintf(stderr, "Out of memory\n");
+ exit_program(1);
+ }
+
+ if (octx.level) {
+ PrintElement *parent = octx.prefix + octx.level -1;
+ if (parent->type == ARRAY)
+ count = parent->nb_elems;
+ parent->nb_elems++;
+ }
+
+ octx.prefix[octx.level++] = (PrintElement){name, type, count, 0};
+}
+
+static void probe_group_leave(void)
+{
+ --octx.level;
+}
+
+static void probe_header(void)
+{
+ if (octx.print_header)
+ octx.print_header();
+ probe_group_enter("root", OBJECT);
+}
+
+static void probe_footer(void)
+{
+ if (octx.print_footer)
+ octx.print_footer();
+ probe_group_leave();
+}
+
+
+static void probe_array_header(const char *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 (octx.print_array_footer)
+ octx.print_array_footer(name);
+}
+
+static void probe_object_header(const char *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 (octx.print_object_footer)
+ octx.print_object_footer(name);
+}
+
+static void probe_int(const char *key, int64_t value)
+{
+ octx.print_integer(key, value);
+ octx.prefix[octx.level -1].nb_elems++;
+}
+
+static void probe_str(const char *key, const char *value)
+{
+ octx.print_string(key, value);
+ octx.prefix[octx.level -1].nb_elems++;
+}
+
+static void probe_dict(AVDictionary *dict, const char *name)
+{
+ AVDictionaryEntry *entry = NULL;
+ if (!dict)
+ return;
+ probe_object_header(name);
+ while ((entry = av_dict_get(dict, "", entry, AV_DICT_IGNORE_SUFFIX))) {
+ probe_str(entry->key, entry->value);
+ }
+ probe_object_footer(name);
}
static char *value_string(char *buf, int buf_size, double val, const char *unit)
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);
+ 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];
} else {
index = (int) (log10(val)) / 3;
- index = av_clip(index, 0, FF_ARRAY_ELEMS(decimal_unit_prefixes) -1);
- val /= pow(10, index*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 : "");
+ snprintf(buf, buf_size, "%.*f%s%s",
+ index ? 3 : 0, val,
+ prefix_string,
+ show_value_unit ? unit : "");
} else {
- snprintf(buf, buf_size, "%f %s", val, show_value_unit ? unit : "");
+ 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)
+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");
return buf;
}
-static char *ts_value_string (char *buf, int buf_size, int64_t ts)
+static char *ts_value_string(char *buf, int buf_size, int64_t ts)
{
if (ts == AV_NOPTS_VALUE) {
snprintf(buf, buf_size, "N/A");
return buf;
}
-static const char *media_type_string(enum AVMediaType media_type)
+static char *rational_string(char *buf, int buf_size, const char *sep,
+ const AVRational *rat)
{
- 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";
- }
+ snprintf(buf, buf_size, "%d%s%d", rat->num, sep, rat->den);
+ return buf;
+}
+
+static char *tag_string(char *buf, int buf_size, int tag)
+{
+ snprintf(buf, buf_size, "0x%04x", tag);
+ return buf;
}
static void show_packet(AVFormatContext *fmt_ctx, AVPacket *pkt)
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");
+ probe_object_header("packet");
+ probe_str("codec_type", media_type_string(st->codec->codec_type));
+ probe_int("stream_index", pkt->stream_index);
+ probe_str("pts", ts_value_string(val_str, sizeof(val_str), pkt->pts));
+ probe_str("pts_time", time_value_string(val_str, sizeof(val_str),
+ pkt->pts, &st->time_base));
+ probe_str("dts", ts_value_string(val_str, sizeof(val_str), pkt->dts));
+ probe_str("dts_time", time_value_string(val_str, sizeof(val_str),
+ pkt->dts, &st->time_base));
+ probe_str("duration", ts_value_string(val_str, sizeof(val_str),
+ pkt->duration));
+ probe_str("duration_time", time_value_string(val_str, sizeof(val_str),
+ pkt->duration,
+ &st->time_base));
+ probe_str("size", value_string(val_str, sizeof(val_str),
+ pkt->size, unit_byte_str));
+ probe_int("pos", pkt->pos);
+ probe_str("flags", pkt->flags & AV_PKT_FLAG_KEY ? "K" : "_");
+ probe_object_footer("packet");
}
static void show_packets(AVFormatContext *fmt_ctx)
AVPacket pkt;
av_init_packet(&pkt);
-
+ probe_array_header("packets");
while (!av_read_frame(fmt_ctx, &pkt))
show_packet(fmt_ctx, &pkt);
+ probe_array_footer("packets");
}
static void show_stream(AVFormatContext *fmt_ctx, int stream_idx)
{
AVStream *stream = fmt_ctx->streams[stream_idx];
AVCodecContext *dec_ctx;
- AVCodec *dec;
+ const AVCodec *dec;
+ const char *profile;
char val_str[128];
- AVDictionaryEntry *tag = NULL;
- AVRational display_aspect_ratio;
+ AVRational display_aspect_ratio, *sar = NULL;
+ const AVPixFmtDescriptor *desc;
- printf("[STREAM]\n");
+ probe_object_header("stream");
- printf("index=%d\n", stream->index);
+ probe_int("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);
+ probe_str("codec_name", dec->name);
+ probe_str("codec_long_name", dec->long_name);
} else {
- printf("codec_name=unknown\n");
+ probe_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);
+ probe_str("codec_type", media_type_string(dec_ctx->codec_type));
+ probe_str("codec_time_base",
+ rational_string(val_str, sizeof(val_str),
+ "/", &dec_ctx->time_base));
/* 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);
+ probe_str("codec_tag_string", val_str);
+ 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:
- 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);
- 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);
+ 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)
+ 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), ":", 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);
- printf("display_aspect_ratio=%d:%d\n", display_aspect_ratio.num,
- display_aspect_ratio.den);
+ probe_str("display_aspect_ratio",
+ rational_string(val_str, sizeof(val_str), ":",
+ &display_aspect_ratio));
}
- 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);
+ desc = av_pix_fmt_desc_get(dec_ctx->pix_fmt);
+ probe_str("pix_fmt", desc ? desc->name : "unknown");
+ probe_int("level", dec_ctx->level);
+
+ probe_str("color_range", av_color_range_name(dec_ctx->color_range));
+ probe_str("color_space", av_color_space_name(dec_ctx->colorspace));
+ probe_str("color_trc", av_color_transfer_name(dec_ctx->color_trc));
+ probe_str("color_pri", av_color_primaries_name(dec_ctx->color_primaries));
+ probe_str("chroma_loc", av_chroma_location_name(dec_ctx->chroma_sample_location));
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));
+ probe_str("sample_rate",
+ value_string(val_str, sizeof(val_str),
+ dec_ctx->sample_rate,
+ unit_hertz_str));
+ probe_int("channels", dec_ctx->channels);
+ probe_int("bits_per_sample",
+ av_get_bits_per_sample(dec_ctx->codec_id));
break;
}
} else {
- printf("codec_type=unknown\n");
+ probe_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));
+ probe_int("id", stream->id);
+ 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));
+ probe_str("start_time",
+ time_value_string(val_str, sizeof(val_str),
+ stream->start_time, &stream->time_base));
+ probe_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);
+ probe_int("nb_frames", stream->nb_frames);
- while ((tag = av_dict_get(stream->metadata, "", tag, AV_DICT_IGNORE_SUFFIX)))
- printf("TAG:%s=%s\n", tag->key, tag->value);
+ probe_dict(stream->metadata, "tags");
- printf("[/STREAM]\n");
+ probe_object_footer("stream");
}
static void show_format(AVFormatContext *fmt_ctx)
{
- AVDictionaryEntry *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_dict_get(fmt_ctx->metadata, "", tag, AV_DICT_IGNORE_SUFFIX)))
- printf("TAG:%s=%s\n", tag->key, tag->value);
-
- printf("[/FORMAT]\n");
+ int64_t size = fmt_ctx->pb ? avio_size(fmt_ctx->pb) : -1;
+
+ probe_object_header("format");
+ probe_str("filename", fmt_ctx->filename);
+ probe_int("nb_streams", fmt_ctx->nb_streams);
+ probe_str("format_name", fmt_ctx->iformat->name);
+ probe_str("format_long_name", fmt_ctx->iformat->long_name);
+ probe_str("start_time",
+ time_value_string(val_str, sizeof(val_str),
+ fmt_ctx->start_time, &AV_TIME_BASE_Q));
+ probe_str("duration",
+ time_value_string(val_str, sizeof(val_str),
+ fmt_ctx->duration, &AV_TIME_BASE_Q));
+ probe_str("size",
+ size >= 0 ? value_string(val_str, sizeof(val_str),
+ size, unit_byte_str)
+ : "unknown");
+ probe_str("bit_rate",
+ value_string(val_str, sizeof(val_str),
+ fmt_ctx->bit_rate, unit_bit_per_second_str));
+
+ probe_dict(fmt_ctx->metadata, "tags");
+
+ probe_object_footer("format");
}
static int open_input_file(AVFormatContext **fmt_ctx_ptr, const char *filename)
AVFormatContext *fmt_ctx = NULL;
AVDictionaryEntry *t;
- if ((err = avformat_open_input(&fmt_ctx, filename, iformat, &format_opts)) < 0) {
+ if ((err = avformat_open_input(&fmt_ctx, filename,
+ iformat, &format_opts)) < 0) {
print_error(filename, err);
return err;
}
AVStream *stream = fmt_ctx->streams[i];
AVCodec *codec;
- if (!(codec = avcodec_find_decoder(stream->codec->codec_id))) {
- fprintf(stderr, "Unsupported codec with id %d for input stream %d\n",
+ 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);
} else if (avcodec_open2(stream->codec, codec, NULL) < 0) {
fprintf(stderr, "Error while opening codec for input stream %d\n",
return 0;
}
+static void close_input_file(AVFormatContext **ctx_ptr)
+{
+ int i;
+ AVFormatContext *fmt_ctx = *ctx_ptr;
+
+ /* close decoder for each stream */
+ for (i = 0; i < fmt_ctx->nb_streams; i++) {
+ AVStream *stream = fmt_ctx->streams[i];
+
+ avcodec_close(stream->codec);
+ }
+ avformat_close_input(ctx_ptr);
+}
+
static int probe_file(const char *filename)
{
AVFormatContext *fmt_ctx;
if ((ret = open_input_file(&fmt_ctx, filename)))
return ret;
- if (do_show_packets)
- show_packets(fmt_ctx);
+ if (do_show_format)
+ show_format(fmt_ctx);
- if (do_show_streams)
+ if (do_show_streams) {
+ probe_array_header("streams");
for (i = 0; i < fmt_ctx->nb_streams; i++)
show_stream(fmt_ctx, i);
+ probe_array_footer("streams");
+ }
- if (do_show_format)
- show_format(fmt_ctx);
+ if (do_show_packets)
+ show_packets(fmt_ctx);
- av_close_input_file(fmt_ctx);
+ close_input_file(&fmt_ctx);
return 0;
}
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_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++;
+ 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;
+}
+
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",
+ fprintf(stderr,
+ "Argument '%s' provided as input filename, but '%s' was already specified.\n",
arg, input_filename);
- exit(1);
+ exit_program(1);
}
if (!strcmp(arg, "-"))
arg = "pipe:";
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}, "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},
+ { "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, {&use_value_prefix},
+ "use SI prefixes for the displayed values" },
+ { "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_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}, "generic catch all option", "" },
+ { "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, {&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, },
};
+static int probe_buf_write(void *opaque, uint8_t *buf, int buf_size)
+{
+ printf("%.*s", buf_size, buf);
+ return 0;
+}
+
+#define AVP_BUFFSIZE 4096
+
int main(int argc, char **argv)
{
int ret;
+ uint8_t *buffer = av_malloc(AVP_BUFFSIZE);
+
+ if (!buffer)
+ exit(1);
+
+ register_exit(avprobe_cleanup);
+ options = real_options;
parse_loglevel(argc, argv, options);
av_register_all();
+ avformat_network_init();
init_opts();
#if CONFIG_AVDEVICE
avdevice_register_all();
#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) {
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);
- exit(1);
+ fprintf(stderr,
+ "Use -h to get full help or, even better, run 'man %s'.\n",
+ program_name);
+ exit_program(1);
}
+ probe_out = avio_alloc_context(buffer, AVP_BUFFSIZE, 1, NULL, NULL,
+ probe_buf_write, NULL);
+ if (!probe_out)
+ exit_program(1);
+
+ probe_header();
ret = probe_file(input_filename);
+ probe_footer();
+ avio_flush(probe_out);
+ avio_close(probe_out);
+
+ avformat_network_deinit();
return ret;
}
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