--- /dev/null
- static const char *binary_unit_prefixes [] = { "", "Ki", "Mi", "Gi", "Ti", "Pi" };
- static const char *decimal_unit_prefixes[] = { "", "K" , "M" , "G" , "T" , "P" };
+/*
+ * Copyright (c) 2007-2010 Stefano Sabatini
+ *
+ * This file is part of FFmpeg.
+ *
+ * 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.
+ *
+ * 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 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;
+
+static const OptionDef options[];
+
+/* FFprobe context */
+static const char *input_filename;
+static AVInputFormat *iformat = NULL;
+
- 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 *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 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, struct unit_value uv)
+{
+ 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 = 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 {
+ 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];
+ }
+ }
+
+ 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;
+}
+
+/* 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)
+{
+ 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;
+ }
+
+ 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 void writer_print_time(WriterContext *wctx, const char *key,
+ int64_t ts, const AVRational *time_base)
+{
+ char buf[128];
+
+ if (ts == AV_NOPTS_VALUE) {
+ writer_print_string(wctx, key, "N/A", 1);
+ } else {
+ double d = ts * av_q2d(*time_base);
+ value_string(buf, sizeof(buf), (struct unit_value){.val.d=d, .unit=unit_second_str});
+ writer_print_string(wctx, key, buf, 0);
+ }
+}
+
+static void writer_print_ts(WriterContext *wctx, const char *key, int64_t ts)
+{
+ if (ts == AV_NOPTS_VALUE) {
+ writer_print_string(wctx, key, "N/A", 1);
+ } else {
+ writer_print_integer(wctx, key, ts);
+ }
+}
+
+static inline void writer_show_tags(WriterContext *wctx, AVDictionary *dict)
+{
+ wctx->writer->show_tags(wctx, dict);
+}
+
+#define MAX_REGISTERED_WRITERS_NB 64
+
+static 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 av_cold void compact_uninit(WriterContext *wctx)
+{
+ CompactContext *compact = wctx->priv;
+
+ av_freep(&compact->item_sep_str);
+ av_freep(&compact->buf);
+ av_freep(&compact->escape_mode_str);
+}
+
+static void compact_print_section_header(WriterContext *wctx, const char *section)
+{
+ CompactContext *compact = wctx->priv;
+
+ printf("%s%c", section, compact->item_sep);
+}
+
+static void compact_print_section_footer(WriterContext *wctx, const char *section)
+{
+ printf("\n");
+}
+
+static void compact_print_str(WriterContext *wctx, const char *key, const char *value)
+{
+ CompactContext *compact = wctx->priv;
+
+ if (wctx->nb_item) printf("%c", compact->item_sep);
+ if (!compact->nokey)
+ printf("%s=", key);
+ printf("%s", compact->escape_str(&compact->buf, &compact->buf_size,
+ value, compact->item_sep, wctx));
+}
+
+static void compact_print_int(WriterContext *wctx, const char *key, long long int value)
+{
+ CompactContext *compact = wctx->priv;
+
+ if (wctx->nb_item) printf("%c", compact->item_sep);
+ if (!compact->nokey)
+ printf("%s=", key);
+ printf("%lld", value);
+}
+
+static void compact_show_tags(WriterContext *wctx, AVDictionary *dict)
+{
+ CompactContext *compact = wctx->priv;
+ AVDictionaryEntry *tag = NULL;
+
+ while ((tag = av_dict_get(dict, "", tag, AV_DICT_IGNORE_SUFFIX))) {
+ if (wctx->nb_item) printf("%c", compact->item_sep);
+ if (!compact->nokey)
+ printf("tag:%s=", compact->escape_str(&compact->buf, &compact->buf_size,
+ tag->key, compact->item_sep, wctx));
+ printf("%s", compact->escape_str(&compact->buf, &compact->buf_size,
+ tag->value, compact->item_sep, wctx));
+ }
+}
+
+static const Writer compact_writer = {
+ .name = "compact",
+ .priv_size = sizeof(CompactContext),
+ .init = compact_init,
+ .uninit = compact_uninit,
+ .print_section_header = compact_print_section_header,
+ .print_section_footer = compact_print_section_footer,
+ .print_integer = compact_print_int,
+ .print_string = compact_print_str,
+ .show_tags = compact_show_tags,
+ .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS,
+};
+
+/* CSV output */
+
+static av_cold int csv_init(WriterContext *wctx, const char *args, void *opaque)
+{
+ return compact_init(wctx, "item_sep=,:nokey=1:escape=csv", opaque);
+}
+
+static const Writer csv_writer = {
+ .name = "csv",
+ .priv_size = sizeof(CompactContext),
+ .init = csv_init,
+ .uninit = compact_uninit,
+ .print_section_header = compact_print_section_header,
+ .print_section_footer = compact_print_section_footer,
+ .print_integer = compact_print_int,
+ .print_string = compact_print_str,
+ .show_tags = compact_show_tags,
+ .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS,
+};
+
+/* JSON output */
+
+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("&"); break;
+ case '<' : size += strlen("<"); break;
+ case '>' : size += strlen(">"); break;
+ case '\"': size += strlen("""); break;
+ case '\'': size += strlen("'"); break;
+ default: size++;
+ }
+ }
+ ESCAPE_REALLOC_BUF(dst_size, dst, src, size);
+
+#define COPY_STR(str) { \
+ const char *s = str; \
+ while (*s) \
+ *q++ = *s++; \
+ }
+
+ p = src;
+ q = *dst;
+ while (*p) {
+ switch (*p) {
+ case '&' : COPY_STR("&"); break;
+ case '<' : COPY_STR("<"); break;
+ case '>' : COPY_STR(">"); break;
+ case '\"': COPY_STR("""); break;
+ case '\'': COPY_STR("'"); break;
+ default: *q++ = *p;
+ }
+ p++;
+ }
+ *q = 0;
+
+ return *dst;
+}
+
+static void xml_print_header(WriterContext *wctx)
+{
+ XMLContext *xml = wctx->priv;
+ const char *qual = " xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' "
+ "xmlns:ffprobe='http://www.ffmpeg.org/schema/ffprobe' "
+ "xsi:schemaLocation='http://www.ffmpeg.org/schema/ffprobe ffprobe.xsd'";
+
+ printf("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");
+ printf("<%sffprobe%s>\n",
+ xml->fully_qualified ? "ffprobe:" : "",
+ xml->fully_qualified ? qual : "");
+
+ xml->indent_level++;
+}
+
+static void xml_print_footer(WriterContext *wctx)
+{
+ XMLContext *xml = wctx->priv;
+
+ xml->indent_level--;
+ printf("</%sffprobe>\n", xml->fully_qualified ? "ffprobe:" : "");
+}
+
+#define XML_INDENT() 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);
+}
+
+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 av_always_inline int get_decoded_frame(AVFormatContext *fmt_ctx,
+ AVFrame *frame, int *got_frame,
+ 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)) {
+ 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(WriterContext *w, AVFormatContext *fmt_ctx, int stream_idx)
+{
+ AVStream *stream = fmt_ctx->streams[stream_idx];
+ AVCodecContext *dec_ctx;
+ AVCodec *dec;
+ char val_str[128];
+ const char *s;
+ AVRational display_aspect_ratio;
+ struct print_buf pbuf = {.s = NULL};
+
+ print_section_header("stream");
+
+ print_int("index", stream->index);
+
+ if ((dec_ctx = stream->codec)) {
+ if ((dec = dec_ctx->codec)) {
+ print_str("codec_name", dec->name);
+ print_str("codec_long_name", dec->long_name);
+ } else {
+ print_str_opt("codec_name", "unknown");
+ print_str_opt("codec_long_name", "unknown");
+ }
+
+ s = av_get_media_type_string(dec_ctx->codec_type);
+ if (s) print_str ("codec_type", s);
+ else print_str_opt("codec_type", "unknown");
+ print_fmt("codec_time_base", "%d/%d", dec_ctx->time_base.num, dec_ctx->time_base.den);
+
+ /* print AVI/FourCC tag */
+ av_get_codec_tag_string(val_str, sizeof(val_str), 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:
+ 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) {
+ 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);
+ 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");
+ }
+ break;
+
+ case AVMEDIA_TYPE_AUDIO:
+ s = av_get_sample_fmt_name(dec_ctx->sample_fmt);
+ if (s) print_str ("sample_fmt", s);
+ else print_str_opt("sample_fmt", "unknown");
+ print_val("sample_rate", dec_ctx->sample_rate, unit_hertz_str);
+ print_int("channels", dec_ctx->channels);
+ print_int("bits_per_sample", av_get_bits_per_sample(dec_ctx->codec_id));
+ break;
+ }
+ } else {
+ print_str_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) 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 (dec_ctx->bit_rate > 0) print_val ("bit_rate", dec_ctx->bit_rate, unit_bit_per_second_str);
+ else print_str_opt("bit_rate", "N/A");
+ 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);
+}
+
+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(WriterContext *w, AVFormatContext *fmt_ctx)
+{
+ 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);
+}
+
+static void show_error(WriterContext *w, int err)
+{
+ char errbuf[128];
+ const char *errbuf_ptr = errbuf;
+
+ if (av_strerror(err, errbuf, sizeof(errbuf)) < 0)
+ errbuf_ptr = strerror(AVUNERROR(err));
+
+ writer_print_chapter_header(w, "error");
+ print_section_header("error");
+ print_int("code", err);
+ print_str("string", errbuf_ptr);
+ print_section_footer("error");
+ writer_print_chapter_footer(w, "error");
+}
+
+static int open_input_file(AVFormatContext **fmt_ctx_ptr, const char *filename)
+{
+ int err, i;
+ AVFormatContext *fmt_ctx = NULL;
+ AVDictionaryEntry *t;
+
+ if ((err = avformat_open_input(&fmt_ctx, filename,
+ iformat, &format_opts)) < 0) {
+ print_error(filename, err);
+ return err;
+ }
+ if ((t = av_dict_get(format_opts, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
+ av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key);
+ return AVERROR_OPTION_NOT_FOUND;
+ }
+
+
+ /* fill the streams in the format context */
+ if ((err = avformat_find_stream_info(fmt_ctx, NULL)) < 0) {
+ print_error(filename, err);
+ return err;
+ }
+
+ av_dump_format(fmt_ctx, 0, filename, 0);
+
+ /* bind a decoder to each input stream */
+ for (i = 0; i < fmt_ctx->nb_streams; i++) {
+ AVStream *stream = fmt_ctx->streams[i];
+ AVCodec *codec;
+
+ if (!(codec = avcodec_find_decoder(stream->codec->codec_id))) {
+ 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) {
+ av_log(NULL, AV_LOG_ERROR, "Error while opening codec for input stream %d\n",
+ stream->index);
+ }
+ }
+
+ *fmt_ctx_ptr = fmt_ctx;
+ return 0;
+}
+
+#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;
+
+ 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++)
+ 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;
+}
+
+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");
+}
+
+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);
+}
+
+#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)
+{
+ 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) {
+ av_log(NULL, AV_LOG_ERROR, "Unknown input format: %s\n", arg);
+ return AVERROR(EINVAL);
+ }
+ return 0;
+}
+
+static void opt_input_file(void *optctx, const char *arg)
+{
+ if (input_filename) {
+ av_log(NULL, AV_LOG_ERROR,
+ "Argument '%s' provided as input filename, but '%s' was already specified.\n",
+ arg, input_filename);
+ exit(1);
+ }
+ if (!strcmp(arg, "-"))
+ arg = "pipe:";
+ input_filename = arg;
+}
+
+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");
+
+ show_help_children(avformat_get_class(), AV_OPT_FLAG_DECODING_PARAM);
+
+ return 0;
+}
+
+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[] = {
+#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},
+ "use binary prefixes for byte units" },
+ { "sexagesimal", OPT_BOOL, {(void*)&use_value_sexagesimal_format},
+ "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
+
+ show_banner(argc, argv, options);
+ parse_options(NULL, argc, argv, options, opt_input_file);
+
+ writer_register_all();
+
+ 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;
+ }
+
+ 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);
+ }
+
+end:
+ av_freep(&print_format);
+ avformat_network_deinit();
+
+ return ret;
+}
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