ffprobe: fix crash if the file can't be opened.
[ffmpeg.git] / ffprobe.c
index 2457b06..f4174fa 100644 (file)
--- a/ffprobe.c
+++ b/ffprobe.c
@@ -1,47 +1,67 @@
 /*
- * ffprobe : Simple Media Prober based on the Libav libraries
  * Copyright (c) 2007-2010 Stefano Sabatini
  *
- * This file is part of Libav.
+ * This file is part of FFmpeg.
  *
- * Libav is free software; you can redistribute it and/or
+ * FFmpeg is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
  *
- * Libav is distributed in the hope that it will be useful,
+ * FFmpeg is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
- * License along with Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
  * 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 "version.h"
 
 #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/timecode.h"
 #include "libavdevice/avdevice.h"
+#include "libswscale/swscale.h"
+#include "libswresample/swresample.h"
+#include "libpostproc/postprocess.h"
 #include "cmdutils.h"
 
 const char program_name[] = "ffprobe";
 const int program_birth_year = 2007;
 
+static int do_count_frames = 0;
+static int do_count_packets = 0;
+static int do_read_frames  = 0;
+static int do_read_packets = 0;
+static int do_show_error   = 0;
 static int do_show_format  = 0;
+static int do_show_frames  = 0;
 static int do_show_packets = 0;
 static int do_show_streams = 0;
+static int do_show_program_version  = 0;
+static int do_show_library_versions = 0;
 
 static int show_value_unit              = 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;
 
-/* globals */
 static const OptionDef options[];
 
 /* FFprobe context */
@@ -55,209 +75,1495 @@ 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 uint64_t *nb_streams_packets;
+static uint64_t *nb_streams_frames;
+
+void av_noreturn exit_program(int ret)
+{
+    exit(ret);
+}
+
+struct unit_value {
+    union { double d; long long int i; } val;
+    const char *unit;
+};
 
-static char *value_string(char *buf, int buf_size, double val, const char *unit)
+static char *value_string(char *buf, int buf_size, struct unit_value uv)
 {
-    if (unit == unit_second_str && use_value_sexagesimal_format) {
+    double vald;
+    int show_float = 0;
+
+    if (uv.unit == unit_second_str) {
+        vald = uv.val.d;
+        show_float = 1;
+    } else {
+        vald = uv.val.i;
+    }
+
+    if (uv.unit == unit_second_str && use_value_sexagesimal_format) {
         double secs;
         int hours, mins;
-        secs  = val;
+        secs  = vald;
         mins  = (int)secs / 60;
         secs  = secs - mins * 60;
         hours = mins / 60;
         mins %= 60;
         snprintf(buf, buf_size, "%d:%02d:%09.6f", hours, mins, secs);
-    } else if (use_value_prefix) {
-        const char *prefix_string;
-        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);
-            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);
-            prefix_string = decimal_unit_prefixes[index];
+    } else {
+        const char *prefix_string = "";
+        int l;
+
+        if (use_value_prefix && vald > 1) {
+            long long int index;
+
+            if (uv.unit == unit_byte_str && use_byte_value_binary_prefix) {
+                index = (long long int) (log(vald)/log(2)) / 10;
+                index = av_clip(index, 0, FF_ARRAY_ELEMS(binary_unit_prefixes) - 1);
+                vald /= pow(2, index * 10);
+                prefix_string = binary_unit_prefixes[index];
+            } else {
+                index = (long long int) (log10(vald)) / 3;
+                index = av_clip(index, 0, FF_ARRAY_ELEMS(decimal_unit_prefixes) - 1);
+                vald /= pow(10, index * 3);
+                prefix_string = decimal_unit_prefixes[index];
+            }
         }
 
-        snprintf(buf, buf_size, "%.3f %s%s", val, prefix_string, show_value_unit ? unit : "");
-    } else {
-        snprintf(buf, buf_size, "%f %s", val, show_value_unit ? unit : "");
+        if (show_float || (use_value_prefix && vald != (long long int)vald))
+            l = snprintf(buf, buf_size, "%f", vald);
+        else
+            l = snprintf(buf, buf_size, "%lld", (long long int)vald);
+        snprintf(buf+l, buf_size-l, "%s%s%s", *prefix_string || show_value_unit ? " " : "",
+                 prefix_string, show_value_unit ? uv.unit : "");
     }
 
     return buf;
 }
 
-static char *time_value_string(char *buf, int buf_size, int64_t val, const AVRational *time_base)
+/* WRITERS API */
+
+typedef struct WriterContext WriterContext;
+
+#define WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS 1
+#define WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER 2
+
+typedef struct Writer {
+    int priv_size;                  ///< private size for the writer context
+    const char *name;
+
+    int  (*init)  (WriterContext *wctx, const char *args, void *opaque);
+    void (*uninit)(WriterContext *wctx);
+
+    void (*print_header)(WriterContext *ctx);
+    void (*print_footer)(WriterContext *ctx);
+
+    void (*print_chapter_header)(WriterContext *wctx, const char *);
+    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 *, 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 {
+    const AVClass *class;           ///< class of the writer
+    const Writer *writer;           ///< the Writer of which this is an instance
+    char *name;                     ///< name of this writer instance
+    void *priv;                     ///< private data for use by the filter
+    unsigned int nb_item;           ///< number of the item printed in the given section, starting at 0
+    unsigned int nb_section;        ///< number of the section printed in the given section sequence, starting at 0
+    unsigned int nb_chapter;        ///< number of the chapter, starting at 0
+};
+
+static const char *writer_get_name(void *p)
 {
-    if (val == AV_NOPTS_VALUE) {
-        snprintf(buf, buf_size, "N/A");
-    } else {
-        value_string(buf, buf_size, val * av_q2d(*time_base), unit_second_str);
+    WriterContext *wctx = p;
+    return wctx->writer->name;
+}
+
+static const AVClass writer_class = {
+    "Writer",
+    writer_get_name,
+    NULL,
+    LIBAVUTIL_VERSION_INT,
+};
+
+static void writer_close(WriterContext **wctx)
+{
+    if (!*wctx)
+        return;
+
+    if ((*wctx)->writer->uninit)
+        (*wctx)->writer->uninit(*wctx);
+    av_freep(&((*wctx)->priv));
+    av_freep(wctx);
+}
+
+static int writer_open(WriterContext **wctx, const Writer *writer,
+                       const char *args, void *opaque)
+{
+    int ret = 0;
+
+    if (!(*wctx = av_malloc(sizeof(WriterContext)))) {
+        ret = AVERROR(ENOMEM);
+        goto fail;
     }
 
-    return buf;
+    if (!((*wctx)->priv = av_mallocz(writer->priv_size))) {
+        ret = AVERROR(ENOMEM);
+        goto fail;
+    }
+
+    (*wctx)->class = &writer_class;
+    (*wctx)->writer = writer;
+    if ((*wctx)->writer->init)
+        ret = (*wctx)->writer->init(*wctx, args, opaque);
+    if (ret < 0)
+        goto fail;
+
+    return 0;
+
+fail:
+    writer_close(wctx);
+    return ret;
+}
+
+static inline void writer_print_header(WriterContext *wctx)
+{
+    if (wctx->writer->print_header)
+        wctx->writer->print_header(wctx);
+    wctx->nb_chapter = 0;
+}
+
+static inline void writer_print_footer(WriterContext *wctx)
+{
+    if (wctx->writer->print_footer)
+        wctx->writer->print_footer(wctx);
+}
+
+static inline void writer_print_chapter_header(WriterContext *wctx,
+                                               const char *chapter)
+{
+    if (wctx->writer->print_chapter_header)
+        wctx->writer->print_chapter_header(wctx, chapter);
+    wctx->nb_section = 0;
+}
+
+static inline void writer_print_chapter_footer(WriterContext *wctx,
+                                               const char *chapter)
+{
+    if (wctx->writer->print_chapter_footer)
+        wctx->writer->print_chapter_footer(wctx, chapter);
+    wctx->nb_chapter++;
+}
+
+static inline void writer_print_section_header(WriterContext *wctx,
+                                               const char *section)
+{
+    if (wctx->writer->print_section_header)
+        wctx->writer->print_section_header(wctx, section);
+    wctx->nb_item = 0;
+}
+
+static inline void writer_print_section_footer(WriterContext *wctx,
+                                               const char *section)
+{
+    if (wctx->writer->print_section_footer)
+        wctx->writer->print_section_footer(wctx, section);
+    wctx->nb_section++;
+}
+
+static inline void writer_print_integer(WriterContext *wctx,
+                                        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, int opt)
+{
+    if (opt && !(wctx->writer->flags & WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS))
+        return;
+    wctx->writer->print_string(wctx, key, val);
+    wctx->nb_item++;
 }
 
-static char *ts_value_string (char *buf, int buf_size, int64_t ts)
+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) {
-        snprintf(buf, buf_size, "N/A");
+        writer_print_string(wctx, key, "N/A", 1);
     } else {
-        snprintf(buf, buf_size, "%"PRId64, ts);
+        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);
     }
+}
 
-    return buf;
+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 const Writer *registered_writers[MAX_REGISTERED_WRITERS_NB + 1];
+
+static int writer_register(const Writer *writer)
+{
+    static int next_registered_writer_idx = 0;
+
+    if (next_registered_writer_idx == MAX_REGISTERED_WRITERS_NB)
+        return AVERROR(ENOMEM);
+
+    registered_writers[next_registered_writer_idx++] = writer;
+    return 0;
+}
+
+static const Writer *writer_get_by_name(const char *name)
+{
+    int i;
+
+    for (i = 0; registered_writers[i]; i++)
+        if (!strcmp(registered_writers[i]->name, name))
+            return registered_writers[i];
+
+    return NULL;
+}
+
+/* Print helpers */
+
+struct print_buf {
+    char *s;
+    int len;
+};
+
+static char *fast_asprintf(struct print_buf *pbuf, const char *fmt, ...)
+{
+    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;
+}
+
+#define ESCAPE_INIT_BUF_SIZE 256
+
+#define ESCAPE_CHECK_SIZE(src, size, max_size)                          \
+    if (size > max_size) {                                              \
+        char buf[64];                                                   \
+        snprintf(buf, sizeof(buf), "%s", src);                          \
+        av_log(log_ctx, AV_LOG_WARNING,                                 \
+               "String '%s...' is too big\n", buf);                     \
+        return "FFPROBE_TOO_BIG_STRING";                                \
+    }
+
+#define ESCAPE_REALLOC_BUF(dst_size_p, dst_p, src, size)                \
+    if (*dst_size_p < size) {                                           \
+        char *q = av_realloc(*dst_p, size);                             \
+        if (!q) {                                                       \
+            char buf[64];                                               \
+            snprintf(buf, sizeof(buf), "%s", src);                      \
+            av_log(log_ctx, AV_LOG_WARNING,                             \
+                   "String '%s...' could not be escaped\n", buf);       \
+            return "FFPROBE_THIS_STRING_COULD_NOT_BE_ESCAPED";          \
+        }                                                               \
+        *dst_size_p = size;                                             \
+        *dst = q;                                                       \
+    }
+
+/* WRITERS */
+
+/* Default output */
+
+static void default_print_footer(WriterContext *wctx)
+{
+    printf("\n");
+}
+
+static void default_print_chapter_header(WriterContext *wctx, const char *chapter)
+{
+    if (wctx->nb_chapter)
+        printf("\n");
+}
+
+/* lame uppercasing routine, assumes the string is lower case ASCII */
+static inline char *upcase_string(char *dst, size_t dst_size, const char *src)
+{
+    int i;
+    for (i = 0; src[i] && i < dst_size-1; i++)
+        dst[i] = av_toupper(src[i]);
+    dst[i] = 0;
+    return dst;
+}
+
+static void default_print_section_header(WriterContext *wctx, const char *section)
+{
+    char buf[32];
+
+    if (wctx->nb_section)
+        printf("\n");
+    printf("[%s]\n", upcase_string(buf, sizeof(buf), section));
+}
+
+static void default_print_section_footer(WriterContext *wctx, const char *section)
+{
+    char buf[32];
+
+    printf("[/%s]", upcase_string(buf, sizeof(buf), section));
+}
+
+static void default_print_str(WriterContext *wctx, const char *key, const char *value)
+{
+    printf("%s=%s\n", key, value);
+}
+
+static void default_print_int(WriterContext *wctx, const char *key, long long int 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, 0);
+    }
+}
+
+static const Writer default_writer = {
+    .name                  = "default",
+    .print_footer          = default_print_footer,
+    .print_chapter_header  = default_print_chapter_header,
+    .print_section_header  = default_print_section_header,
+    .print_section_footer  = default_print_section_footer,
+    .print_integer         = default_print_int,
+    .print_string          = default_print_str,
+    .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 const char *media_type_string(enum AVMediaType media_type)
+static av_cold void compact_uninit(WriterContext *wctx)
 {
-    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";
+    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 void show_packet(AVFormatContext *fmt_ctx, AVPacket *pkt)
+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 */
+
+typedef struct {
+    const AVClass *class;
+    int multiple_entries; ///< tells if the given chapter requires multiple entries
+    char *buf;
+    size_t buf_size;
+    int print_packets_and_frames;
+    int indent_level;
+    int compact;
+    const char *item_sep, *item_start_end;
+} JSONContext;
+
+#undef OFFSET
+#define OFFSET(x) offsetof(JSONContext, x)
+
+static const AVOption json_options[]= {
+    { "compact", "enable compact output", OFFSET(compact), AV_OPT_TYPE_INT, {.dbl=0}, 0, 1 },
+    { "c",       "enable compact output", OFFSET(compact), AV_OPT_TYPE_INT, {.dbl=0}, 0, 1 },
+    { NULL }
+};
+
+static const char *json_get_name(void *ctx)
+{
+    return "json";
+}
+
+static const AVClass json_class = {
+    "JSONContext",
+    json_get_name,
+    json_options
+};
+
+static av_cold int json_init(WriterContext *wctx, const char *args, void *opaque)
+{
+    JSONContext *json = wctx->priv;
+    int err;
+
+    json->class = &json_class;
+    av_opt_set_defaults(json);
+
+    if (args &&
+        (err = (av_set_options_string(json, args, "=", ":"))) < 0) {
+        av_log(wctx, AV_LOG_ERROR, "Error parsing options string: '%s'\n", args);
+        return err;
+    }
+
+    json->item_sep       = json->compact ? ", " : ",\n";
+    json->item_start_end = json->compact ? " "  : "\n";
+
+    json->buf_size = ESCAPE_INIT_BUF_SIZE;
+    if (!(json->buf = av_malloc(json->buf_size)))
+        return AVERROR(ENOMEM);
+
+    return 0;
+}
+
+static av_cold void json_uninit(WriterContext *wctx)
+{
+    JSONContext *json = wctx->priv;
+    av_freep(&json->buf);
+}
+
+static const char *json_escape_str(char **dst, size_t *dst_size, const char *src,
+                                   void *log_ctx)
+{
+    static const char json_escape[] = {'"', '\\', '\b', '\f', '\n', '\r', '\t', 0};
+    static const char json_subst[]  = {'"', '\\',  'b',  'f',  'n',  'r',  't', 0};
+    const char *p;
+    char *q;
+    size_t size = 1;
+
+    // compute the length of the escaped string
+    for (p = src; *p; p++) {
+        ESCAPE_CHECK_SIZE(src, size, SIZE_MAX-6);
+        if (strchr(json_escape, *p))     size += 2; // simple escape
+        else if ((unsigned char)*p < 32) size += 6; // handle non-printable chars
+        else                             size += 1; // char copy
+    }
+    ESCAPE_REALLOC_BUF(dst_size, dst, src, size);
+
+    q = *dst;
+    for (p = src; *p; p++) {
+        char *s = strchr(json_escape, *p);
+        if (s) {
+            *q++ = '\\';
+            *q++ = json_subst[s - json_escape];
+        } else if ((unsigned char)*p < 32) {
+            snprintf(q, 7, "\\u00%02x", *p & 0xff);
+            q += 6;
+        } else {
+            *q++ = *p;
+        }
+    }
+    *q = 0;
+    return *dst;
+}
+
+static void json_print_header(WriterContext *wctx)
+{
+    JSONContext *json = wctx->priv;
+    printf("{");
+    json->indent_level++;
+}
+
+static void json_print_footer(WriterContext *wctx)
+{
+    JSONContext *json = wctx->priv;
+    json->indent_level--;
+    printf("\n}\n");
+}
+
+#define JSON_INDENT() printf("%*c", json->indent_level * 4, ' ')
+
+static void json_print_chapter_header(WriterContext *wctx, const char *chapter)
+{
+    JSONContext *json = wctx->priv;
+
+    if (wctx->nb_chapter)
+        printf(",");
+    printf("\n");
+    json->multiple_entries = !strcmp(chapter, "packets") || !strcmp(chapter, "frames" ) ||
+                             !strcmp(chapter, "packets_and_frames") ||
+                             !strcmp(chapter, "streams") || !strcmp(chapter, "library_versions");
+    if (json->multiple_entries) {
+        JSON_INDENT();
+        printf("\"%s\": [\n", json_escape_str(&json->buf, &json->buf_size, chapter, wctx));
+        json->print_packets_and_frames = !strcmp(chapter, "packets_and_frames");
+        json->indent_level++;
+    }
+}
+
+static void json_print_chapter_footer(WriterContext *wctx, const char *chapter)
+{
+    JSONContext *json = wctx->priv;
+
+    if (json->multiple_entries) {
+        printf("\n");
+        json->indent_level--;
+        JSON_INDENT();
+        printf("]");
+    }
+}
+
+static void json_print_section_header(WriterContext *wctx, const char *section)
+{
+    JSONContext *json = wctx->priv;
+
+    if (wctx->nb_section)
+        printf(",\n");
+    JSON_INDENT();
+    if (!json->multiple_entries)
+        printf("\"%s\": ", section);
+    printf("{%s", json->item_start_end);
+    json->indent_level++;
+    /* this is required so the parser can distinguish between packets and frames */
+    if (json->print_packets_and_frames) {
+        if (!json->compact)
+            JSON_INDENT();
+        printf("\"type\": \"%s\"%s", section, json->item_sep);
+    }
+}
+
+static void json_print_section_footer(WriterContext *wctx, const char *section)
+{
+    JSONContext *json = wctx->priv;
+
+    printf("%s", json->item_start_end);
+    json->indent_level--;
+    if (!json->compact)
+        JSON_INDENT();
+    printf("}");
+}
+
+static inline void json_print_item_str(WriterContext *wctx,
+                                       const char *key, const char *value)
+{
+    JSONContext *json = wctx->priv;
+
+    printf("\"%s\":", json_escape_str(&json->buf, &json->buf_size, key,   wctx));
+    printf(" \"%s\"", json_escape_str(&json->buf, &json->buf_size, value, wctx));
+}
+
+static void json_print_str(WriterContext *wctx, const char *key, const char *value)
+{
+    JSONContext *json = wctx->priv;
+
+    if (wctx->nb_item) printf("%s", json->item_sep);
+    if (!json->compact)
+        JSON_INDENT();
+    json_print_item_str(wctx, key, value);
+}
+
+static void json_print_int(WriterContext *wctx, const char *key, long long int value)
+{
+    JSONContext *json = wctx->priv;
+
+    if (wctx->nb_item) printf("%s", json->item_sep);
+    if (!json->compact)
+        JSON_INDENT();
+    printf("\"%s\": %lld",
+           json_escape_str(&json->buf, &json->buf_size, key, wctx), value);
+}
+
+static void json_show_tags(WriterContext *wctx, AVDictionary *dict)
+{
+    JSONContext *json = wctx->priv;
+    AVDictionaryEntry *tag = NULL;
+    int is_first = 1;
+    if (!dict)
+        return;
+    printf("%s", json->item_sep);
+    if (!json->compact)
+        JSON_INDENT();
+    printf("\"tags\": {%s", json->item_start_end);
+    json->indent_level++;
+    while ((tag = av_dict_get(dict, "", tag, AV_DICT_IGNORE_SUFFIX))) {
+        if (is_first) is_first = 0;
+        else          printf("%s", json->item_sep);
+        if (!json->compact)
+            JSON_INDENT();
+        json_print_item_str(wctx, tag->key, tag->value);
+    }
+    json->indent_level--;
+    printf("%s", json->item_start_end);
+    if (!json->compact)
+        JSON_INDENT();
+    printf("}");
+}
+
+static const Writer json_writer = {
+    .name                 = "json",
+    .priv_size            = sizeof(JSONContext),
+    .init                 = json_init,
+    .uninit               = json_uninit,
+    .print_header         = json_print_header,
+    .print_footer         = json_print_footer,
+    .print_chapter_header = json_print_chapter_header,
+    .print_chapter_footer = json_print_chapter_footer,
+    .print_section_header = json_print_section_header,
+    .print_section_footer = json_print_section_footer,
+    .print_integer        = json_print_int,
+    .print_string         = json_print_str,
+    .show_tags            = json_show_tags,
+    .flags = WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER,
+};
+
+/* 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");
+
+        if (do_show_frames && do_show_packets) {
+            av_log(wctx, AV_LOG_ERROR,
+                   "Interleaved frames and packets are not allowed in XSD. "
+                   "Select only one between the -show_frames and the -show_packets options.\n");
+            return AVERROR(EINVAL);
+        }
+    }
+
+    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("&amp;");  break;
+        case '<' : size += strlen("&lt;");   break;
+        case '>' : size += strlen("&gt;");   break;
+        case '\"': size += strlen("&quot;"); break;
+        case '\'': size += strlen("&apos;"); 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("&amp;");  break;
+        case '<' : COPY_STR("&lt;");   break;
+        case '>' : COPY_STR("&gt;");   break;
+        case '\"': COPY_STR("&quot;"); break;
+        case '\'': COPY_STR("&apos;"); 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() printf("%*c", xml->indent_level * 4, ' ')
+
+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, "frames") ||
+                            !strcmp(chapter, "packets_and_frames") ||
+                            !strcmp(chapter, "streams") || !strcmp(chapter, "library_versions");
+
+    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,
+    .flags = WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER,
+};
+
+static void writer_register_all(void)
+{
+    static int initialized;
+
+    if (initialized)
+        return;
+    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, 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, 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)
+
+static void show_packet(WriterContext *w, AVFormatContext *fmt_ctx, AVPacket *pkt, int packet_idx)
 {
     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");
+    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  ("dts",             pkt->dts);
+    print_time("dts_time",        pkt->dts, &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);
+    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");
+
+    av_free(pbuf.s);
+    fflush(stdout);
+}
 
-    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");
+static void show_frame(WriterContext *w, AVFrame *frame, AVStream *stream)
+{
+    struct print_buf pbuf = {.s = NULL};
+    const char *s;
+
+    print_section_header("frame");
+
+    s = av_get_media_type_string(stream->codec->codec_type);
+    if (s) print_str    ("media_type", s);
+    else   print_str_opt("media_type", "unknown");
+    print_int("key_frame",              frame->key_frame);
+    print_ts  ("pkt_pts",               frame->pkt_pts);
+    print_time("pkt_pts_time",          frame->pkt_pts, &stream->time_base);
+    print_ts  ("pkt_dts",               frame->pkt_dts);
+    print_time("pkt_dts_time",          frame->pkt_dts, &stream->time_base);
+    if (frame->pkt_pos != -1) print_fmt    ("pkt_pos", "%"PRId64, frame->pkt_pos);
+    else                      print_str_opt("pkt_pos", "N/A");
+
+    switch (stream->codec->codec_type) {
+    case AVMEDIA_TYPE_VIDEO:
+        print_int("width",                  frame->width);
+        print_int("height",                 frame->height);
+        s = av_get_pix_fmt_name(frame->format);
+        if (s) print_str    ("pix_fmt", s);
+        else   print_str_opt("pix_fmt", "unknown");
+        if (frame->sample_aspect_ratio.num) {
+            print_fmt("sample_aspect_ratio", "%d:%d",
+                      frame->sample_aspect_ratio.num,
+                      frame->sample_aspect_ratio.den);
+        } else {
+            print_str_opt("sample_aspect_ratio", "N/A");
+        }
+        print_fmt("pict_type",              "%c", av_get_picture_type_char(frame->pict_type));
+        print_int("coded_picture_number",   frame->coded_picture_number);
+        print_int("display_picture_number", frame->display_picture_number);
+        print_int("interlaced_frame",       frame->interlaced_frame);
+        print_int("top_field_first",        frame->top_field_first);
+        print_int("repeat_pict",            frame->repeat_pict);
+        print_int("reference",              frame->reference);
+        break;
+
+    case AVMEDIA_TYPE_AUDIO:
+        s = av_get_sample_fmt_name(frame->format);
+        if (s) print_str    ("sample_fmt", s);
+        else   print_str_opt("sample_fmt", "unknown");
+        print_int("nb_samples",         frame->nb_samples);
+        break;
+    }
+
+    print_section_footer("frame");
+
+    av_free(pbuf.s);
+    fflush(stdout);
 }
 
-static void show_packets(AVFormatContext *fmt_ctx)
+static av_always_inline int get_decoded_frame(AVFormatContext *fmt_ctx,
+                                              AVFrame *frame, int *got_frame,
+                                              AVPacket *pkt)
 {
-    AVPacket pkt;
+    AVCodecContext *dec_ctx = fmt_ctx->streams[pkt->stream_index]->codec;
+    int ret = 0;
+
+    *got_frame = 0;
+    switch (dec_ctx->codec_type) {
+    case AVMEDIA_TYPE_VIDEO:
+        ret = avcodec_decode_video2(dec_ctx, frame, got_frame, pkt);
+        break;
+
+    case AVMEDIA_TYPE_AUDIO:
+        ret = avcodec_decode_audio4(dec_ctx, frame, got_frame, pkt);
+        break;
+    }
+
+    return ret;
+}
+
+static void read_packets(WriterContext *w, AVFormatContext *fmt_ctx)
+{
+    AVPacket pkt, pkt1;
+    AVFrame frame;
+    int i = 0, ret, got_frame;
 
     av_init_packet(&pkt);
 
-    while (!av_read_frame(fmt_ctx, &pkt))
-        show_packet(fmt_ctx, &pkt);
+    while (!av_read_frame(fmt_ctx, &pkt)) {
+        if (do_read_packets) {
+            if (do_show_packets)
+                show_packet(w, fmt_ctx, &pkt, i++);
+            nb_streams_packets[pkt.stream_index]++;
+        }
+        if (do_read_frames) {
+            pkt1 = pkt;
+            while (1) {
+                avcodec_get_frame_defaults(&frame);
+                ret = get_decoded_frame(fmt_ctx, &frame, &got_frame, &pkt1);
+                if (ret < 0 || !got_frame)
+                    break;
+                if (do_show_frames)
+                    show_frame(w, &frame, fmt_ctx->streams[pkt.stream_index]);
+                pkt1.data += ret;
+                pkt1.size -= ret;
+                nb_streams_frames[pkt.stream_index]++;
+            }
+        }
+        av_free_packet(&pkt);
+    }
+    av_init_packet(&pkt);
+    pkt.data = NULL;
+    pkt.size = 0;
+    //Flush remaining frames that are cached in the decoder
+    for (i = 0; i < fmt_ctx->nb_streams; i++) {
+        pkt.stream_index = i;
+        while (get_decoded_frame(fmt_ctx, &frame, &got_frame, &pkt) >= 0 && got_frame) {
+            if (do_read_frames) {
+                if (do_show_frames)
+                    show_frame(w, &frame, fmt_ctx->streams[pkt.stream_index]);
+                nb_streams_frames[pkt.stream_index]++;
+            }
+        }
+    }
 }
 
-static void show_stream(AVFormatContext *fmt_ctx, int stream_idx)
+static void show_stream(WriterContext *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;
+    const char *s;
     AVRational display_aspect_ratio;
+    struct print_buf pbuf = {.s = NULL};
 
-    printf("[STREAM]\n");
+    print_section_header("stream");
 
-    printf("index=%d\n",        stream->index);
+    print_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);
+            print_str("codec_name",      dec->name);
+            print_str("codec_long_name", dec->long_name);
         } else {
-            printf("codec_name=unknown\n");
+            print_str_opt("codec_name",      "unknown");
+            print_str_opt("codec_long_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);
+        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 */
         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);
+            } else {
+                print_str_opt("sample_aspect_ratio", "N/A");
+                print_str_opt("display_aspect_ratio", "N/A");
+            }
+            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) {
+                char tcbuf[AV_TIMECODE_STR_SIZE];
+                av_timecode_make_mpeg_tc_string(tcbuf, dec_ctx->timecode_frame_start);
+                print_str("timecode", tcbuf);
+            } else {
+                print_str_opt("timecode", "N/A");
             }
-            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);
             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));
+            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 {
-        printf("codec_type=unknown\n");
+        print_str_opt("codec_type", "unknown");
+    }
+    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 (opt->flags) continue;
+            if (av_opt_get(dec_ctx->priv_data, opt->name, 0, &str) >= 0) {
+                print_str(opt->name, str);
+                av_free(str);
+            }
+        }
     }
 
-    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));
-    if (stream->nb_frames)
-        printf("nb_frames=%"PRId64"\n",    stream->nb_frames);
-
-    while ((tag = av_dict_get(stream->metadata, "", tag, AV_DICT_IGNORE_SUFFIX)))
-        printf("TAG:%s=%s\n", tag->key, tag->value);
+    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);
+    else                   print_str_opt("nb_frames", "N/A");
+    if (nb_streams_frames[stream_idx])  print_fmt    ("nb_read_frames", "%"PRIu64, nb_streams_frames[stream_idx]);
+    else                                print_str_opt("nb_read_frames", "N/A");
+    if (nb_streams_packets[stream_idx]) print_fmt    ("nb_read_packets", "%"PRIu64, nb_streams_packets[stream_idx]);
+    else                                print_str_opt("nb_read_packets", "N/A");
+    show_tags(stream->metadata);
+
+    print_section_footer("stream");
+    av_free(pbuf.s);
+    fflush(stdout);
+}
 
-    printf("[/STREAM]\n");
+static void show_streams(WriterContext *w, AVFormatContext *fmt_ctx)
+{
+    int i;
+    for (i = 0; i < fmt_ctx->nb_streams; i++)
+        show_stream(w, fmt_ctx, i);
 }
 
-static void show_format(AVFormatContext *fmt_ctx)
+static void show_format(WriterContext *w, AVFormatContext *fmt_ctx)
 {
-    AVDictionaryEntry *tag = NULL;
     char val_str[128];
+    int64_t size = fmt_ctx->pb ? avio_size(fmt_ctx->pb) : -1;
+
+    print_section_header("format");
+    print_str("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_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);
+    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");
+    fflush(stdout);
+}
 
-    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_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)
@@ -266,7 +1572,8 @@ 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;
     }
@@ -277,7 +1584,7 @@ static int open_input_file(AVFormatContext **fmt_ctx_ptr, const char *filename)
 
 
     /* 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;
     }
@@ -290,11 +1597,12 @@ static int open_input_file(AVFormatContext **fmt_ctx_ptr, const char *filename)
         AVCodec *codec;
 
         if (!(codec = avcodec_find_decoder(stream->codec->codec_id))) {
-            fprintf(stderr, "Unsupported codec with id %d for input stream %d\n",
+            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);
         }
     }
 
@@ -302,49 +1610,123 @@ static int open_input_file(AVFormatContext **fmt_ctx_ptr, const char *filename)
     return 0;
 }
 
-static int probe_file(const char *filename)
+#define PRINT_CHAPTER(name) do {                                        \
+    if (do_show_ ## name) {                                             \
+        writer_print_chapter_header(wctx, #name);                       \
+        show_ ## name (wctx, fmt_ctx);                                  \
+        writer_print_chapter_footer(wctx, #name);                       \
+    }                                                                   \
+} while (0)
+
+static int probe_file(WriterContext *wctx, const char *filename)
 {
     AVFormatContext *fmt_ctx;
     int ret, i;
 
-    if ((ret = open_input_file(&fmt_ctx, filename)))
-        return ret;
-
-    if (do_show_packets)
-        show_packets(fmt_ctx);
-
-    if (do_show_streams)
+    do_read_frames = do_show_frames || do_count_frames;
+    do_read_packets = do_show_packets || do_count_packets;
+
+    ret = open_input_file(&fmt_ctx, filename);
+    if (ret >= 0) {
+        nb_streams_frames  = av_calloc(fmt_ctx->nb_streams, sizeof(*nb_streams_frames));
+        nb_streams_packets = av_calloc(fmt_ctx->nb_streams, sizeof(*nb_streams_packets));
+        if (do_read_frames || do_read_packets) {
+            const char *chapter;
+            if (do_show_frames && do_show_packets &&
+                wctx->writer->flags & WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER)
+                chapter = "packets_and_frames";
+            else if (do_show_packets && !do_show_frames)
+                chapter = "packets";
+            else // (!do_show_packets && do_show_frames)
+                chapter = "frames";
+            if (do_show_frames || do_show_packets)
+                writer_print_chapter_header(wctx, chapter);
+            read_packets(wctx, fmt_ctx);
+            if (do_show_frames || do_show_packets)
+                writer_print_chapter_footer(wctx, chapter);
+        }
+        PRINT_CHAPTER(streams);
+        PRINT_CHAPTER(format);
         for (i = 0; i < fmt_ctx->nb_streams; i++)
-            show_stream(fmt_ctx, i);
+            if (fmt_ctx->streams[i]->codec->codec_id != CODEC_ID_NONE)
+                avcodec_close(fmt_ctx->streams[i]->codec);
+        avformat_close_input(&fmt_ctx);
+        av_freep(&nb_streams_frames);
+        av_freep(&nb_streams_packets);
+    }
+    return ret;
+}
 
-    if (do_show_format)
-        show_format(fmt_ctx);
+static void show_usage(void)
+{
+    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");
+}
 
-    av_close_input_file(fmt_ctx);
-    return 0;
+static void ffprobe_show_program_version(WriterContext *w)
+{
+    struct print_buf pbuf = {.s = NULL};
+
+    writer_print_chapter_header(w, "program_version");
+    print_section_header("program_version");
+    print_str("version", FFMPEG_VERSION);
+    print_fmt("copyright", "Copyright (c) %d-%d the FFmpeg developers",
+              program_birth_year, this_year);
+    print_str("build_date", __DATE__);
+    print_str("build_time", __TIME__);
+    print_str("compiler_type", CC_TYPE);
+    print_str("compiler_version", CC_VERSION);
+    print_str("configuration", FFMPEG_CONFIGURATION);
+    print_section_footer("program_version");
+    writer_print_chapter_footer(w, "program_version");
+
+    av_free(pbuf.s);
 }
 
-static void show_usage(void)
+#define SHOW_LIB_VERSION(libname, LIBNAME)                              \
+    do {                                                                \
+        if (CONFIG_##LIBNAME) {                                         \
+            unsigned int version = libname##_version();                 \
+            print_section_header("library_version");                    \
+            print_str("name",    "lib" #libname);                       \
+            print_int("major",   LIB##LIBNAME##_VERSION_MAJOR);         \
+            print_int("minor",   LIB##LIBNAME##_VERSION_MINOR);         \
+            print_int("micro",   LIB##LIBNAME##_VERSION_MICRO);         \
+            print_int("version", version);                              \
+            print_section_footer("library_version");                    \
+        }                                                               \
+    } while (0)
+
+static void ffprobe_show_library_versions(WriterContext *w)
 {
-    printf("Simple multimedia streams analyzer\n");
-    printf("usage: ffprobe [OPTIONS] [INPUT_FILE]\n");
-    printf("\n");
+    writer_print_chapter_header(w, "library_versions");
+    SHOW_LIB_VERSION(avutil,     AVUTIL);
+    SHOW_LIB_VERSION(avcodec,    AVCODEC);
+    SHOW_LIB_VERSION(avformat,   AVFORMAT);
+    SHOW_LIB_VERSION(avdevice,   AVDEVICE);
+    SHOW_LIB_VERSION(avfilter,   AVFILTER);
+    SHOW_LIB_VERSION(swscale,    SWSCALE);
+    SHOW_LIB_VERSION(swresample, SWRESAMPLE);
+    SHOW_LIB_VERSION(postproc,   POSTPROC);
+    writer_print_chapter_footer(w, "library_versions");
 }
 
 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(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",
+        av_log(NULL, AV_LOG_ERROR,
+                "Argument '%s' provided as input filename, but '%s' was already specified.\n",
                 arg, input_filename);
         exit(1);
     }
@@ -353,22 +1735,32 @@ static void opt_input_file(const char *arg)
     input_filename = arg;
 }
 
-static void show_help(void)
+static int opt_help(const char *opt, const char *arg)
 {
     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_FLAG_DECODING_PARAM, 0);
+
+    show_help_children(avformat_get_class(), AV_OPT_FLAG_DECODING_PARAM);
+
+    return 0;
 }
 
-static void opt_pretty(void)
+static int opt_pretty(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 int opt_show_versions(const char *opt, const char *arg)
+{
+    do_show_program_version  = 1;
+    do_show_library_versions = 1;
+    return 0;
 }
 
 static const OptionDef options[] = {
@@ -382,38 +1774,87 @@ static const OptionDef options[] = {
       "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, 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_frames",  OPT_BOOL, {(void*)&do_show_frames} , "show frames info" },
     { "show_packets", OPT_BOOL, {(void*)&do_show_packets}, "show packets info" },
     { "show_streams", OPT_BOOL, {(void*)&do_show_streams}, "show streams info" },
+    { "count_frames", OPT_BOOL, {(void*)&do_count_frames}, "count the number of frames per stream" },
+    { "count_packets", OPT_BOOL, {(void*)&do_count_packets}, "count the number of packets per stream" },
+    { "show_program_version",  OPT_BOOL, {(void*)&do_show_program_version},  "show ffprobe version" },
+    { "show_library_versions", OPT_BOOL, {(void*)&do_show_library_versions}, "show library versions" },
+    { "show_versions",         0, {(void*)&opt_show_versions}, "show program and library versions" },
+    { "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, },
 };
 
 int main(int argc, char **argv)
 {
+    const Writer *w;
+    WriterContext *wctx;
+    char *buf;
+    char *w_name = NULL, *w_args = NULL;
     int ret;
 
+    av_log_set_flags(AV_LOG_SKIP_REPEATED);
+    parse_loglevel(argc, argv, options);
     av_register_all();
+    avformat_network_init();
     init_opts();
 #if CONFIG_AVDEVICE
     avdevice_register_all();
 #endif
 
-    avformat_opts = avformat_alloc_context();
+    show_banner(argc, argv, options);
+    parse_options(NULL, argc, argv, options, opt_input_file);
 
-    show_banner();
-    parse_options(argc, argv, options, opt_input_file);
+    writer_register_all();
 
-    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");
-        exit(1);
+    if (!print_format)
+        print_format = av_strdup("default");
+    w_name = av_strtok(print_format, "=", &buf);
+    w_args = buf;
+
+    w = writer_get_by_name(w_name);
+    if (!w) {
+        av_log(NULL, AV_LOG_ERROR, "Unknown output format with name '%s'\n", w_name);
+        ret = AVERROR(EINVAL);
+        goto end;
     }
 
-    ret = probe_file(input_filename);
+    if ((ret = writer_open(&wctx, w, w_args, NULL)) >= 0) {
+        writer_print_header(wctx);
+
+        if (do_show_program_version)
+            ffprobe_show_program_version(wctx);
+        if (do_show_library_versions)
+            ffprobe_show_library_versions(wctx);
+
+        if (!input_filename &&
+            ((do_show_format || do_show_streams || do_show_packets || do_show_error) ||
+             (!do_show_program_version && !do_show_library_versions))) {
+            show_usage();
+            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);
+            ret = AVERROR(EINVAL);
+        } else if (input_filename) {
+            ret = probe_file(wctx, input_filename);
+            if (ret < 0 && do_show_error)
+                show_error(wctx, ret);
+        }
+
+        writer_print_footer(wctx);
+        writer_close(&wctx);
+    }
 
-    av_free(avformat_opts);
+end:
+    av_freep(&print_format);
+    avformat_network_deinit();
 
     return ret;
 }