mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-28 20:53:54 +02:00
89898cd3b6
Add "data" and "extradata" attributes to the schema. Add "tag" element in "streams". Print extradata before tags to avoid closing the element. Fix trac ticket #1588.
2223 lines
73 KiB
C
2223 lines
73 KiB
C
/*
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* Copyright (c) 2007-2010 Stefano Sabatini
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/**
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* @file
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* simple media prober based on the FFmpeg libraries
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*/
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#include "config.h"
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#include "version.h"
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#include "libavformat/avformat.h"
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#include "libavcodec/avcodec.h"
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#include "libavutil/avstring.h"
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#include "libavutil/bprint.h"
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#include "libavutil/opt.h"
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#include "libavutil/pixdesc.h"
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#include "libavutil/dict.h"
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#include "libavutil/timecode.h"
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#include "libavdevice/avdevice.h"
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#include "libswscale/swscale.h"
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#include "libswresample/swresample.h"
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#include "libpostproc/postprocess.h"
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#include "cmdutils.h"
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const char program_name[] = "ffprobe";
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const int program_birth_year = 2007;
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static int do_count_frames = 0;
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static int do_count_packets = 0;
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static int do_read_frames = 0;
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static int do_read_packets = 0;
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static int do_show_error = 0;
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static int do_show_format = 0;
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static int do_show_frames = 0;
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static AVDictionary *fmt_entries_to_show = NULL;
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static int do_show_packets = 0;
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static int do_show_streams = 0;
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static int do_show_data = 0;
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static int do_show_program_version = 0;
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static int do_show_library_versions = 0;
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static int show_value_unit = 0;
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static int use_value_prefix = 0;
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static int use_byte_value_binary_prefix = 0;
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static int use_value_sexagesimal_format = 0;
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static int show_private_data = 1;
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static char *print_format;
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static const OptionDef *options;
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/* FFprobe context */
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static const char *input_filename;
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static AVInputFormat *iformat = NULL;
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static const char *const binary_unit_prefixes [] = { "", "Ki", "Mi", "Gi", "Ti", "Pi" };
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static const char *const decimal_unit_prefixes[] = { "", "K" , "M" , "G" , "T" , "P" };
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static const char unit_second_str[] = "s" ;
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static const char unit_hertz_str[] = "Hz" ;
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static const char unit_byte_str[] = "byte" ;
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static const char unit_bit_per_second_str[] = "bit/s";
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static uint64_t *nb_streams_packets;
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static uint64_t *nb_streams_frames;
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void av_noreturn exit_program(int ret)
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{
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av_dict_free(&fmt_entries_to_show);
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exit(ret);
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}
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struct unit_value {
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union { double d; long long int i; } val;
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const char *unit;
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};
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static char *value_string(char *buf, int buf_size, struct unit_value uv)
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{
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double vald;
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int show_float = 0;
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if (uv.unit == unit_second_str) {
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vald = uv.val.d;
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show_float = 1;
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} else {
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vald = uv.val.i;
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}
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if (uv.unit == unit_second_str && use_value_sexagesimal_format) {
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double secs;
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int hours, mins;
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secs = vald;
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mins = (int)secs / 60;
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secs = secs - mins * 60;
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hours = mins / 60;
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mins %= 60;
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snprintf(buf, buf_size, "%d:%02d:%09.6f", hours, mins, secs);
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} else {
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const char *prefix_string = "";
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int l;
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if (use_value_prefix && vald > 1) {
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long long int index;
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if (uv.unit == unit_byte_str && use_byte_value_binary_prefix) {
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index = (long long int) (log(vald)/log(2)) / 10;
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index = av_clip(index, 0, FF_ARRAY_ELEMS(binary_unit_prefixes) - 1);
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vald /= pow(2, index * 10);
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prefix_string = binary_unit_prefixes[index];
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} else {
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index = (long long int) (log10(vald)) / 3;
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index = av_clip(index, 0, FF_ARRAY_ELEMS(decimal_unit_prefixes) - 1);
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vald /= pow(10, index * 3);
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prefix_string = decimal_unit_prefixes[index];
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}
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}
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if (show_float || (use_value_prefix && vald != (long long int)vald))
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l = snprintf(buf, buf_size, "%f", vald);
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else
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l = snprintf(buf, buf_size, "%lld", (long long int)vald);
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snprintf(buf+l, buf_size-l, "%s%s%s", *prefix_string || show_value_unit ? " " : "",
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prefix_string, show_value_unit ? uv.unit : "");
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}
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return buf;
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}
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/* WRITERS API */
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typedef struct WriterContext WriterContext;
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#define WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS 1
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#define WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER 2
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typedef struct Writer {
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int priv_size; ///< private size for the writer context
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const char *name;
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int (*init) (WriterContext *wctx, const char *args, void *opaque);
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void (*uninit)(WriterContext *wctx);
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void (*print_header)(WriterContext *ctx);
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void (*print_footer)(WriterContext *ctx);
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void (*print_chapter_header)(WriterContext *wctx, const char *);
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void (*print_chapter_footer)(WriterContext *wctx, const char *);
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void (*print_section_header)(WriterContext *wctx, const char *);
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void (*print_section_footer)(WriterContext *wctx, const char *);
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void (*print_integer) (WriterContext *wctx, const char *, long long int);
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void (*print_rational) (WriterContext *wctx, AVRational *q, char *sep);
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void (*print_string) (WriterContext *wctx, const char *, const char *);
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void (*show_tags) (WriterContext *wctx, AVDictionary *dict);
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int flags; ///< a combination or WRITER_FLAG_*
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} Writer;
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struct WriterContext {
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const AVClass *class; ///< class of the writer
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const Writer *writer; ///< the Writer of which this is an instance
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char *name; ///< name of this writer instance
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void *priv; ///< private data for use by the filter
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unsigned int nb_item; ///< number of the item printed in the given section, starting at 0
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unsigned int nb_section; ///< number of the section printed in the given section sequence, starting at 0
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unsigned int nb_section_packet; ///< number of the packet section in case we are in "packets_and_frames" section
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unsigned int nb_section_frame; ///< number of the frame section in case we are in "packets_and_frames" section
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unsigned int nb_section_packet_frame; ///< nb_section_packet or nb_section_frame according if is_packets_and_frames
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unsigned int nb_chapter; ///< number of the chapter, starting at 0
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int multiple_sections; ///< tells if the current chapter can contain multiple sections
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int is_fmt_chapter; ///< tells if the current chapter is "format", required by the print_format_entry option
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int is_packets_and_frames; ///< tells if the current section is "packets_and_frames"
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};
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static const char *writer_get_name(void *p)
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{
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WriterContext *wctx = p;
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return wctx->writer->name;
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}
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static const AVClass writer_class = {
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"Writer",
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writer_get_name,
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NULL,
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LIBAVUTIL_VERSION_INT,
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};
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static void writer_close(WriterContext **wctx)
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{
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if (!*wctx)
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return;
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if ((*wctx)->writer->uninit)
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(*wctx)->writer->uninit(*wctx);
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av_freep(&((*wctx)->priv));
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av_freep(wctx);
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}
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static int writer_open(WriterContext **wctx, const Writer *writer,
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const char *args, void *opaque)
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{
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int ret = 0;
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if (!(*wctx = av_malloc(sizeof(WriterContext)))) {
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ret = AVERROR(ENOMEM);
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goto fail;
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}
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if (!((*wctx)->priv = av_mallocz(writer->priv_size))) {
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ret = AVERROR(ENOMEM);
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goto fail;
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}
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(*wctx)->class = &writer_class;
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(*wctx)->writer = writer;
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if ((*wctx)->writer->init)
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ret = (*wctx)->writer->init(*wctx, args, opaque);
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if (ret < 0)
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goto fail;
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return 0;
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fail:
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writer_close(wctx);
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return ret;
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}
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static inline void writer_print_header(WriterContext *wctx)
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{
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if (wctx->writer->print_header)
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wctx->writer->print_header(wctx);
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wctx->nb_chapter = 0;
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}
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static inline void writer_print_footer(WriterContext *wctx)
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{
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if (wctx->writer->print_footer)
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wctx->writer->print_footer(wctx);
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}
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static inline void writer_print_chapter_header(WriterContext *wctx,
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const char *chapter)
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{
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wctx->nb_section =
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wctx->nb_section_packet = wctx->nb_section_frame =
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wctx->nb_section_packet_frame = 0;
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wctx->is_packets_and_frames = !strcmp(chapter, "packets_and_frames");
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wctx->multiple_sections = !strcmp(chapter, "packets") || !strcmp(chapter, "frames" ) ||
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wctx->is_packets_and_frames ||
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!strcmp(chapter, "streams") || !strcmp(chapter, "library_versions");
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wctx->is_fmt_chapter = !strcmp(chapter, "format");
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if (wctx->writer->print_chapter_header)
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wctx->writer->print_chapter_header(wctx, chapter);
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}
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static inline void writer_print_chapter_footer(WriterContext *wctx,
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const char *chapter)
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{
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if (wctx->writer->print_chapter_footer)
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wctx->writer->print_chapter_footer(wctx, chapter);
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wctx->nb_chapter++;
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}
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static inline void writer_print_section_header(WriterContext *wctx,
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const char *section)
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{
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if (wctx->is_packets_and_frames)
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wctx->nb_section_packet_frame = !strcmp(section, "packet") ? wctx->nb_section_packet
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: wctx->nb_section_frame;
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if (wctx->writer->print_section_header)
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wctx->writer->print_section_header(wctx, section);
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wctx->nb_item = 0;
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}
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static inline void writer_print_section_footer(WriterContext *wctx,
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const char *section)
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{
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if (wctx->writer->print_section_footer)
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wctx->writer->print_section_footer(wctx, section);
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if (wctx->is_packets_and_frames) {
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if (!strcmp(section, "packet")) wctx->nb_section_packet++;
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else wctx->nb_section_frame++;
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}
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wctx->nb_section++;
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}
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static inline void writer_print_integer(WriterContext *wctx,
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const char *key, long long int val)
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{
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if (!wctx->is_fmt_chapter || !fmt_entries_to_show || av_dict_get(fmt_entries_to_show, key, NULL, 0)) {
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wctx->writer->print_integer(wctx, key, val);
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wctx->nb_item++;
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}
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}
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static inline void writer_print_rational(WriterContext *wctx,
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const char *key, AVRational q, char sep)
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{
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AVBPrint buf;
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av_bprint_init(&buf, 0, AV_BPRINT_SIZE_AUTOMATIC);
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av_bprintf(&buf, "%d%c%d", q.num, sep, q.den);
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wctx->writer->print_string(wctx, key, buf.str);
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wctx->nb_item++;
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}
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static inline void writer_print_string(WriterContext *wctx,
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const char *key, const char *val, int opt)
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{
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if (opt && !(wctx->writer->flags & WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS))
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return;
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if (!wctx->is_fmt_chapter || !fmt_entries_to_show || av_dict_get(fmt_entries_to_show, key, NULL, 0)) {
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wctx->writer->print_string(wctx, key, val);
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wctx->nb_item++;
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}
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}
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static void writer_print_time(WriterContext *wctx, const char *key,
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int64_t ts, const AVRational *time_base, int is_duration)
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{
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char buf[128];
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if (!wctx->is_fmt_chapter || !fmt_entries_to_show || av_dict_get(fmt_entries_to_show, key, NULL, 0)) {
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if ((!is_duration && ts == AV_NOPTS_VALUE) || (is_duration && ts == 0)) {
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writer_print_string(wctx, key, "N/A", 1);
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} else {
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double d = ts * av_q2d(*time_base);
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value_string(buf, sizeof(buf), (struct unit_value){.val.d=d, .unit=unit_second_str});
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writer_print_string(wctx, key, buf, 0);
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}
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}
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}
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static void writer_print_ts(WriterContext *wctx, const char *key, int64_t ts, int is_duration)
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{
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if ((!is_duration && ts == AV_NOPTS_VALUE) || (is_duration && ts == 0)) {
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writer_print_string(wctx, key, "N/A", 1);
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} else {
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writer_print_integer(wctx, key, ts);
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}
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}
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static inline void writer_show_tags(WriterContext *wctx, AVDictionary *dict)
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{
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wctx->writer->show_tags(wctx, dict);
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}
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static void writer_print_data(WriterContext *wctx, const char *name,
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uint8_t *data, int size)
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{
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AVBPrint bp;
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int offset = 0, l, i;
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av_bprint_init(&bp, 0, AV_BPRINT_SIZE_UNLIMITED);
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av_bprintf(&bp, "\n");
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while (size) {
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av_bprintf(&bp, "%08x: ", offset);
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l = FFMIN(size, 16);
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for (i = 0; i < l; i++) {
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av_bprintf(&bp, "%02x", data[i]);
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if (i & 1)
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av_bprintf(&bp, " ");
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}
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av_bprint_chars(&bp, ' ', 41 - 2 * i - i / 2);
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for (i = 0; i < l; i++)
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av_bprint_chars(&bp, data[i] - 32U < 95 ? data[i] : '.', 1);
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av_bprintf(&bp, "\n");
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offset += l;
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data += l;
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size -= l;
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}
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writer_print_string(wctx, name, bp.str, 0);
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av_bprint_finalize(&bp, NULL);
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}
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#define MAX_REGISTERED_WRITERS_NB 64
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static const Writer *registered_writers[MAX_REGISTERED_WRITERS_NB + 1];
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static int writer_register(const Writer *writer)
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{
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static int next_registered_writer_idx = 0;
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if (next_registered_writer_idx == MAX_REGISTERED_WRITERS_NB)
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return AVERROR(ENOMEM);
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registered_writers[next_registered_writer_idx++] = writer;
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return 0;
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}
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static const Writer *writer_get_by_name(const char *name)
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{
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int i;
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for (i = 0; registered_writers[i]; i++)
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if (!strcmp(registered_writers[i]->name, name))
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return registered_writers[i];
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return NULL;
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}
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|
|
|
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/* WRITERS */
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|
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/* Default output */
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|
|
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typedef struct DefaultContext {
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const AVClass *class;
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int nokey;
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int noprint_wrappers;
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} DefaultContext;
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|
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#define OFFSET(x) offsetof(DefaultContext, x)
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|
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static const AVOption default_options[] = {
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{ "noprint_wrappers", "do not print headers and footers", OFFSET(noprint_wrappers), AV_OPT_TYPE_INT, {.dbl=0}, 0, 1 },
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{ "nw", "do not print headers and footers", OFFSET(noprint_wrappers), AV_OPT_TYPE_INT, {.dbl=0}, 0, 1 },
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{ "nokey", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.dbl=0}, 0, 1 },
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{ "nk", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.dbl=0}, 0, 1 },
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{NULL},
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};
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|
|
|
static const char *default_get_name(void *ctx)
|
|
{
|
|
return "default";
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|
}
|
|
|
|
static const AVClass default_class = {
|
|
"DefaultContext",
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default_get_name,
|
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default_options
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};
|
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|
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static av_cold int default_init(WriterContext *wctx, const char *args, void *opaque)
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|
{
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DefaultContext *def = wctx->priv;
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int err;
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def->class = &default_class;
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av_opt_set_defaults(def);
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|
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if (args &&
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(err = (av_set_options_string(def, args, "=", ":"))) < 0) {
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av_log(wctx, AV_LOG_ERROR, "Error parsing options string: '%s'\n", args);
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return err;
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}
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|
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return 0;
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}
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|
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static void default_print_footer(WriterContext *wctx)
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|
{
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DefaultContext *def = wctx->priv;
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|
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if (!def->noprint_wrappers)
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printf("\n");
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}
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|
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static void default_print_chapter_header(WriterContext *wctx, const char *chapter)
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{
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DefaultContext *def = wctx->priv;
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|
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if (!def->noprint_wrappers && wctx->nb_chapter)
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printf("\n");
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}
|
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|
|
/* 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)
|
|
{
|
|
DefaultContext *def = wctx->priv;
|
|
char buf[32];
|
|
|
|
if (wctx->nb_section)
|
|
printf("\n");
|
|
if (!def->noprint_wrappers)
|
|
printf("[%s]\n", upcase_string(buf, sizeof(buf), section));
|
|
}
|
|
|
|
static void default_print_section_footer(WriterContext *wctx, const char *section)
|
|
{
|
|
DefaultContext *def = wctx->priv;
|
|
char buf[32];
|
|
|
|
if (!def->noprint_wrappers)
|
|
printf("[/%s]", upcase_string(buf, sizeof(buf), section));
|
|
}
|
|
|
|
static void default_print_str(WriterContext *wctx, const char *key, const char *value)
|
|
{
|
|
DefaultContext *def = wctx->priv;
|
|
if (!def->nokey)
|
|
printf("%s=", key);
|
|
printf("%s\n", value);
|
|
}
|
|
|
|
static void default_print_int(WriterContext *wctx, const char *key, long long int value)
|
|
{
|
|
DefaultContext *def = wctx->priv;
|
|
|
|
if (!def->nokey)
|
|
printf("%s=", key);
|
|
printf("%lld\n", value);
|
|
}
|
|
|
|
static void default_show_tags(WriterContext *wctx, AVDictionary *dict)
|
|
{
|
|
AVDictionaryEntry *tag = NULL;
|
|
while ((tag = av_dict_get(dict, "", tag, AV_DICT_IGNORE_SUFFIX))) {
|
|
if (!fmt_entries_to_show || (tag->key && av_dict_get(fmt_entries_to_show, tag->key, NULL, 0)))
|
|
printf("TAG:");
|
|
writer_print_string(wctx, tag->key, tag->value, 0);
|
|
}
|
|
}
|
|
|
|
static const Writer default_writer = {
|
|
.name = "default",
|
|
.priv_size = sizeof(DefaultContext),
|
|
.init = default_init,
|
|
.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 */
|
|
|
|
/**
|
|
* Apply C-language-like string escaping.
|
|
*/
|
|
static const char *c_escape_str(AVBPrint *dst, const char *src, const char sep, void *log_ctx)
|
|
{
|
|
const char *p;
|
|
|
|
for (p = src; *p; p++) {
|
|
switch (*p) {
|
|
case '\b': av_bprintf(dst, "%s", "\\b"); break;
|
|
case '\f': av_bprintf(dst, "%s", "\\f"); break;
|
|
case '\n': av_bprintf(dst, "%s", "\\n"); break;
|
|
case '\r': av_bprintf(dst, "%s", "\\r"); break;
|
|
case '\\': av_bprintf(dst, "%s", "\\\\"); break;
|
|
default:
|
|
if (*p == sep)
|
|
av_bprint_chars(dst, '\\', 1);
|
|
av_bprint_chars(dst, *p, 1);
|
|
}
|
|
}
|
|
return dst->str;
|
|
}
|
|
|
|
/**
|
|
* Quote fields containing special characters, check RFC4180.
|
|
*/
|
|
static const char *csv_escape_str(AVBPrint *dst, const char *src, const char sep, void *log_ctx)
|
|
{
|
|
const char *p;
|
|
int quote = 0;
|
|
|
|
/* check if input needs quoting */
|
|
for (p = src; *p; p++)
|
|
if (*p == '"' || *p == sep || *p == '\n' || *p == '\r')
|
|
quote = 1;
|
|
|
|
if (quote)
|
|
av_bprint_chars(dst, '\"', 1);
|
|
|
|
for (p = src; *p; p++) {
|
|
if (*p == '"')
|
|
av_bprint_chars(dst, '\"', 1);
|
|
av_bprint_chars(dst, *p, 1);
|
|
}
|
|
if (quote)
|
|
av_bprint_chars(dst, '\"', 1);
|
|
return dst->str;
|
|
}
|
|
|
|
static const char *none_escape_str(AVBPrint *dst, 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 *escape_mode_str;
|
|
const char * (*escape_str)(AVBPrint *dst, const char *src, const char sep, void *log_ctx);
|
|
} CompactContext;
|
|
|
|
#undef OFFSET
|
|
#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];
|
|
|
|
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->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;
|
|
AVBPrint buf;
|
|
|
|
if (wctx->nb_item) printf("%c", compact->item_sep);
|
|
if (!compact->nokey)
|
|
printf("%s=", key);
|
|
av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
|
|
printf("%s", compact->escape_str(&buf, value, compact->item_sep, wctx));
|
|
av_bprint_finalize(&buf, NULL);
|
|
}
|
|
|
|
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;
|
|
AVBPrint buf;
|
|
|
|
av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
|
|
while ((tag = av_dict_get(dict, "", tag, AV_DICT_IGNORE_SUFFIX))) {
|
|
if (wctx->nb_item) printf("%c", compact->item_sep);
|
|
if (!compact->nokey) {
|
|
av_bprint_clear(&buf);
|
|
printf("tag:%s=", compact->escape_str(&buf, tag->key, compact->item_sep, wctx));
|
|
}
|
|
av_bprint_clear(&buf);
|
|
printf("%s", compact->escape_str(&buf, tag->value, compact->item_sep, wctx));
|
|
}
|
|
av_bprint_finalize(&buf, NULL);
|
|
}
|
|
|
|
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,
|
|
};
|
|
|
|
/* Flat output */
|
|
|
|
typedef struct FlatContext {
|
|
const AVClass *class;
|
|
const char *section, *chapter;
|
|
const char *sep_str;
|
|
char sep;
|
|
int hierarchical;
|
|
} FlatContext;
|
|
|
|
#undef OFFSET
|
|
#define OFFSET(x) offsetof(FlatContext, x)
|
|
|
|
static const AVOption flat_options[]= {
|
|
{"sep_char", "set separator", OFFSET(sep_str), AV_OPT_TYPE_STRING, {.str="."}, CHAR_MIN, CHAR_MAX },
|
|
{"s", "set separator", OFFSET(sep_str), AV_OPT_TYPE_STRING, {.str="."}, CHAR_MIN, CHAR_MAX },
|
|
{"hierarchical", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_INT, {.dbl=1}, 0, 1 },
|
|
{"h", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_INT, {.dbl=1}, 0, 1 },
|
|
{NULL},
|
|
};
|
|
|
|
static const char *flat_get_name(void *ctx)
|
|
{
|
|
return "flat";
|
|
}
|
|
|
|
static const AVClass flat_class = {
|
|
"FlatContext",
|
|
flat_get_name,
|
|
flat_options
|
|
};
|
|
|
|
static av_cold int flat_init(WriterContext *wctx, const char *args, void *opaque)
|
|
{
|
|
FlatContext *flat = wctx->priv;
|
|
int err;
|
|
|
|
flat->class = &flat_class;
|
|
av_opt_set_defaults(flat);
|
|
|
|
if (args &&
|
|
(err = (av_set_options_string(flat, args, "=", ":"))) < 0) {
|
|
av_log(wctx, AV_LOG_ERROR, "Error parsing options string: '%s'\n", args);
|
|
return err;
|
|
}
|
|
if (strlen(flat->sep_str) != 1) {
|
|
av_log(wctx, AV_LOG_ERROR, "Item separator '%s' specified, but must contain a single character\n",
|
|
flat->sep_str);
|
|
return AVERROR(EINVAL);
|
|
}
|
|
flat->sep = flat->sep_str[0];
|
|
return 0;
|
|
}
|
|
|
|
static const char *flat_escape_key_str(AVBPrint *dst, const char *src, const char sep)
|
|
{
|
|
const char *p;
|
|
|
|
for (p = src; *p; p++) {
|
|
if (!((*p >= '0' && *p <= '9') ||
|
|
(*p >= 'a' && *p <= 'z') ||
|
|
(*p >= 'A' && *p <= 'Z')))
|
|
av_bprint_chars(dst, '_', 1);
|
|
else
|
|
av_bprint_chars(dst, *p, 1);
|
|
}
|
|
return dst->str;
|
|
}
|
|
|
|
static const char *flat_escape_value_str(AVBPrint *dst, const char *src)
|
|
{
|
|
const char *p;
|
|
|
|
for (p = src; *p; p++) {
|
|
switch (*p) {
|
|
case '\n': av_bprintf(dst, "%s", "\\n"); break;
|
|
case '\r': av_bprintf(dst, "%s", "\\r"); break;
|
|
case '\\': av_bprintf(dst, "%s", "\\\\"); break;
|
|
case '"': av_bprintf(dst, "%s", "\\\""); break;
|
|
case '`': av_bprintf(dst, "%s", "\\`"); break;
|
|
case '$': av_bprintf(dst, "%s", "\\$"); break;
|
|
default: av_bprint_chars(dst, *p, 1); break;
|
|
}
|
|
}
|
|
return dst->str;
|
|
}
|
|
|
|
static void flat_print_chapter_header(WriterContext *wctx, const char *chapter)
|
|
{
|
|
FlatContext *flat = wctx->priv;
|
|
flat->chapter = chapter;
|
|
}
|
|
|
|
static void flat_print_section_header(WriterContext *wctx, const char *section)
|
|
{
|
|
FlatContext *flat = wctx->priv;
|
|
flat->section = section;
|
|
}
|
|
|
|
static void flat_print_section(WriterContext *wctx)
|
|
{
|
|
FlatContext *flat = wctx->priv;
|
|
int n = wctx->is_packets_and_frames ? wctx->nb_section_packet_frame
|
|
: wctx->nb_section;
|
|
|
|
if (flat->hierarchical && wctx->multiple_sections)
|
|
printf("%s%c", flat->chapter, flat->sep);
|
|
printf("%s%c", flat->section, flat->sep);
|
|
if (wctx->multiple_sections)
|
|
printf("%d%c", n, flat->sep);
|
|
}
|
|
|
|
static void flat_print_int(WriterContext *wctx, const char *key, long long int value)
|
|
{
|
|
flat_print_section(wctx);
|
|
printf("%s=%lld\n", key, value);
|
|
}
|
|
|
|
static void flat_print_str(WriterContext *wctx, const char *key, const char *value)
|
|
{
|
|
FlatContext *flat = wctx->priv;
|
|
AVBPrint buf;
|
|
|
|
flat_print_section(wctx);
|
|
av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
|
|
printf("%s=", flat_escape_key_str(&buf, key, flat->sep));
|
|
av_bprint_clear(&buf);
|
|
printf("\"%s\"\n", flat_escape_value_str(&buf, value));
|
|
av_bprint_finalize(&buf, NULL);
|
|
}
|
|
|
|
static void flat_show_tags(WriterContext *wctx, AVDictionary *dict)
|
|
{
|
|
FlatContext *flat = wctx->priv;
|
|
AVBPrint buf;
|
|
AVDictionaryEntry *tag = NULL;
|
|
|
|
av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
|
|
while ((tag = av_dict_get(dict, "", tag, AV_DICT_IGNORE_SUFFIX))) {
|
|
flat_print_section(wctx);
|
|
av_bprint_clear(&buf);
|
|
printf("tags%c%s=", flat->sep, flat_escape_key_str(&buf, tag->key, flat->sep));
|
|
av_bprint_clear(&buf);
|
|
printf("\"%s\"\n", flat_escape_value_str(&buf, tag->value));
|
|
}
|
|
av_bprint_finalize(&buf, NULL);
|
|
}
|
|
|
|
static const Writer flat_writer = {
|
|
.name = "flat",
|
|
.priv_size = sizeof(FlatContext),
|
|
.init = flat_init,
|
|
.print_chapter_header = flat_print_chapter_header,
|
|
.print_section_header = flat_print_section_header,
|
|
.print_integer = flat_print_int,
|
|
.print_string = flat_print_str,
|
|
.show_tags = flat_show_tags,
|
|
.flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS|WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER,
|
|
};
|
|
|
|
/* INI format output */
|
|
|
|
typedef struct {
|
|
const AVClass *class;
|
|
AVBPrint chapter_name, section_name;
|
|
int hierarchical;
|
|
} INIContext;
|
|
|
|
#undef OFFSET
|
|
#define OFFSET(x) offsetof(INIContext, x)
|
|
|
|
static const AVOption ini_options[] = {
|
|
{"hierarchical", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_INT, {.dbl=1}, 0, 1 },
|
|
{"h", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_INT, {.dbl=1}, 0, 1 },
|
|
{NULL},
|
|
};
|
|
|
|
static const char *ini_get_name(void *ctx)
|
|
{
|
|
return "ini";
|
|
}
|
|
|
|
static const AVClass ini_class = {
|
|
"INIContext",
|
|
ini_get_name,
|
|
ini_options
|
|
};
|
|
|
|
static av_cold int ini_init(WriterContext *wctx, const char *args, void *opaque)
|
|
{
|
|
INIContext *ini = wctx->priv;
|
|
int err;
|
|
|
|
av_bprint_init(&ini->chapter_name, 1, AV_BPRINT_SIZE_UNLIMITED);
|
|
av_bprint_init(&ini->section_name, 1, AV_BPRINT_SIZE_UNLIMITED);
|
|
|
|
ini->class = &ini_class;
|
|
av_opt_set_defaults(ini);
|
|
|
|
if (args && (err = av_set_options_string(ini, args, "=", ":")) < 0) {
|
|
av_log(wctx, AV_LOG_ERROR, "Error parsing options string: '%s'\n", args);
|
|
return err;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static av_cold void ini_uninit(WriterContext *wctx)
|
|
{
|
|
INIContext *ini = wctx->priv;
|
|
av_bprint_finalize(&ini->chapter_name, NULL);
|
|
av_bprint_finalize(&ini->section_name, NULL);
|
|
}
|
|
|
|
static void ini_print_header(WriterContext *wctx)
|
|
{
|
|
printf("# ffprobe output\n\n");
|
|
}
|
|
|
|
static char *ini_escape_str(AVBPrint *dst, const char *src)
|
|
{
|
|
int i = 0;
|
|
char c = 0;
|
|
|
|
while (c = src[i++]) {
|
|
switch (c) {
|
|
case '\b': av_bprintf(dst, "%s", "\\b"); break;
|
|
case '\f': av_bprintf(dst, "%s", "\\f"); break;
|
|
case '\n': av_bprintf(dst, "%s", "\\n"); break;
|
|
case '\r': av_bprintf(dst, "%s", "\\r"); break;
|
|
case '\t': av_bprintf(dst, "%s", "\\t"); break;
|
|
case '\\':
|
|
case '#' :
|
|
case '=' :
|
|
case ':' : av_bprint_chars(dst, '\\', 1);
|
|
default:
|
|
if ((unsigned char)c < 32)
|
|
av_bprintf(dst, "\\x00%02x", c & 0xff);
|
|
else
|
|
av_bprint_chars(dst, c, 1);
|
|
break;
|
|
}
|
|
}
|
|
return dst->str;
|
|
}
|
|
|
|
static void ini_print_chapter_header(WriterContext *wctx, const char *chapter)
|
|
{
|
|
INIContext *ini = wctx->priv;
|
|
|
|
av_bprint_clear(&ini->chapter_name);
|
|
av_bprintf(&ini->chapter_name, "%s", chapter);
|
|
|
|
if (wctx->nb_chapter)
|
|
printf("\n");
|
|
}
|
|
|
|
static void ini_print_section_header(WriterContext *wctx, const char *section)
|
|
{
|
|
INIContext *ini = wctx->priv;
|
|
int n = wctx->is_packets_and_frames ? wctx->nb_section_packet_frame
|
|
: wctx->nb_section;
|
|
if (wctx->nb_section)
|
|
printf("\n");
|
|
av_bprint_clear(&ini->section_name);
|
|
|
|
if (ini->hierarchical && wctx->multiple_sections)
|
|
av_bprintf(&ini->section_name, "%s.", ini->chapter_name.str);
|
|
av_bprintf(&ini->section_name, "%s", section);
|
|
|
|
if (wctx->multiple_sections)
|
|
av_bprintf(&ini->section_name, ".%d", n);
|
|
printf("[%s]\n", ini->section_name.str);
|
|
}
|
|
|
|
static void ini_print_str(WriterContext *wctx, const char *key, const char *value)
|
|
{
|
|
AVBPrint buf;
|
|
|
|
av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
|
|
printf("%s=", ini_escape_str(&buf, key));
|
|
av_bprint_clear(&buf);
|
|
printf("%s\n", ini_escape_str(&buf, value));
|
|
av_bprint_finalize(&buf, NULL);
|
|
}
|
|
|
|
static void ini_print_int(WriterContext *wctx, const char *key, long long int value)
|
|
{
|
|
printf("%s=%lld\n", key, value);
|
|
}
|
|
|
|
static void ini_show_tags(WriterContext *wctx, AVDictionary *dict)
|
|
{
|
|
INIContext *ini = wctx->priv;
|
|
AVDictionaryEntry *tag = NULL;
|
|
int is_first = 1;
|
|
|
|
while ((tag = av_dict_get(dict, "", tag, AV_DICT_IGNORE_SUFFIX))) {
|
|
if (is_first) {
|
|
printf("\n[%s.tags]\n", ini->section_name.str);
|
|
is_first = 0;
|
|
}
|
|
writer_print_string(wctx, tag->key, tag->value, 0);
|
|
}
|
|
}
|
|
|
|
static const Writer ini_writer = {
|
|
.name = "ini",
|
|
.priv_size = sizeof(INIContext),
|
|
.init = ini_init,
|
|
.uninit = ini_uninit,
|
|
.print_header = ini_print_header,
|
|
.print_chapter_header = ini_print_chapter_header,
|
|
.print_section_header = ini_print_section_header,
|
|
.print_integer = ini_print_int,
|
|
.print_string = ini_print_str,
|
|
.show_tags = ini_show_tags,
|
|
.flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS|WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER,
|
|
};
|
|
|
|
/* JSON output */
|
|
|
|
typedef struct {
|
|
const AVClass *class;
|
|
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";
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const char *json_escape_str(AVBPrint *dst, 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;
|
|
|
|
for (p = src; *p; p++) {
|
|
char *s = strchr(json_escape, *p);
|
|
if (s) {
|
|
av_bprint_chars(dst, '\\', 1);
|
|
av_bprint_chars(dst, json_subst[s - json_escape], 1);
|
|
} else if ((unsigned char)*p < 32) {
|
|
av_bprintf(dst, "\\u00%02x", *p & 0xff);
|
|
} else {
|
|
av_bprint_chars(dst, *p, 1);
|
|
}
|
|
}
|
|
return dst->str;
|
|
}
|
|
|
|
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;
|
|
AVBPrint buf;
|
|
|
|
if (wctx->nb_chapter)
|
|
printf(",");
|
|
printf("\n");
|
|
if (wctx->multiple_sections) {
|
|
JSON_INDENT();
|
|
av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
|
|
printf("\"%s\": [\n", json_escape_str(&buf, chapter, wctx));
|
|
av_bprint_finalize(&buf, NULL);
|
|
json->indent_level++;
|
|
}
|
|
}
|
|
|
|
static void json_print_chapter_footer(WriterContext *wctx, const char *chapter)
|
|
{
|
|
JSONContext *json = wctx->priv;
|
|
|
|
if (wctx->multiple_sections) {
|
|
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 (!wctx->multiple_sections)
|
|
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 (wctx->is_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)
|
|
{
|
|
AVBPrint buf;
|
|
|
|
av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
|
|
printf("\"%s\":", json_escape_str(&buf, key, wctx));
|
|
av_bprint_clear(&buf);
|
|
printf(" \"%s\"", json_escape_str(&buf, value, wctx));
|
|
av_bprint_finalize(&buf, NULL);
|
|
}
|
|
|
|
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;
|
|
AVBPrint buf;
|
|
|
|
if (wctx->nb_item) printf("%s", json->item_sep);
|
|
if (!json->compact)
|
|
JSON_INDENT();
|
|
|
|
av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
|
|
printf("\"%s\": %lld", json_escape_str(&buf, key, wctx), value);
|
|
av_bprint_finalize(&buf, NULL);
|
|
}
|
|
|
|
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,
|
|
.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 indent_level;
|
|
int fully_qualified;
|
|
int xsd_strict;
|
|
} 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);
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const char *xml_escape_str(AVBPrint *dst, const char *src, void *log_ctx)
|
|
{
|
|
const char *p;
|
|
|
|
for (p = src; *p; p++) {
|
|
switch (*p) {
|
|
case '&' : av_bprintf(dst, "%s", "&"); break;
|
|
case '<' : av_bprintf(dst, "%s", "<"); break;
|
|
case '>' : av_bprintf(dst, "%s", ">"); break;
|
|
case '\"': av_bprintf(dst, "%s", """); break;
|
|
case '\'': av_bprintf(dst, "%s", "'"); break;
|
|
default: av_bprint_chars(dst, *p, 1);
|
|
}
|
|
}
|
|
|
|
return dst->str;
|
|
}
|
|
|
|
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");
|
|
if (wctx->multiple_sections) {
|
|
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 (wctx->multiple_sections) {
|
|
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)
|
|
{
|
|
AVBPrint buf;
|
|
|
|
if (wctx->nb_item)
|
|
printf(" ");
|
|
av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
|
|
printf("%s=\"%s\"", key, xml_escape_str(&buf, value, wctx));
|
|
av_bprint_finalize(&buf, NULL);
|
|
}
|
|
|
|
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;
|
|
AVBPrint buf;
|
|
|
|
av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
|
|
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();
|
|
|
|
av_bprint_clear(&buf);
|
|
printf("<tag key=\"%s\"", xml_escape_str(&buf, tag->key, wctx));
|
|
av_bprint_clear(&buf);
|
|
printf(" value=\"%s\"/>\n", xml_escape_str(&buf, tag->value, wctx));
|
|
}
|
|
av_bprint_finalize(&buf, NULL);
|
|
xml->indent_level--;
|
|
}
|
|
|
|
static Writer xml_writer = {
|
|
.name = "xml",
|
|
.priv_size = sizeof(XMLContext),
|
|
.init = xml_init,
|
|
.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(&flat_writer);
|
|
writer_register(&ini_writer);
|
|
writer_register(&json_writer);
|
|
writer_register(&xml_writer);
|
|
}
|
|
|
|
#define print_fmt(k, f, ...) do { \
|
|
av_bprint_clear(&pbuf); \
|
|
av_bprintf(&pbuf, f, __VA_ARGS__); \
|
|
writer_print_string(w, k, pbuf.str, 0); \
|
|
} while (0)
|
|
|
|
#define print_int(k, v) writer_print_integer(w, k, v)
|
|
#define print_q(k, v, s) writer_print_rational(w, k, v, s)
|
|
#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, 0)
|
|
#define print_ts(k, v) writer_print_ts(w, k, v, 0)
|
|
#define print_duration_time(k, v, tb) writer_print_time(w, k, v, tb, 1)
|
|
#define print_duration_ts(k, v) writer_print_ts(w, k, v, 1)
|
|
#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];
|
|
AVBPrint pbuf;
|
|
const char *s;
|
|
|
|
av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
|
|
|
|
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_duration_ts("duration", pkt->duration);
|
|
print_duration_time("duration_time", pkt->duration, &st->time_base);
|
|
print_duration_ts("convergence_duration", pkt->convergence_duration);
|
|
print_duration_time("convergence_duration_time", pkt->convergence_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' : '_');
|
|
if (do_show_data)
|
|
writer_print_data(w, "data", pkt->data, pkt->size);
|
|
print_section_footer("packet");
|
|
|
|
av_bprint_finalize(&pbuf, NULL);
|
|
fflush(stdout);
|
|
}
|
|
|
|
static void show_frame(WriterContext *w, AVFrame *frame, AVStream *stream,
|
|
AVFormatContext *fmt_ctx)
|
|
{
|
|
AVBPrint pbuf;
|
|
const char *s;
|
|
|
|
av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
|
|
|
|
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);
|
|
print_duration_ts ("pkt_duration", frame->pkt_duration);
|
|
print_duration_time("pkt_duration_time", frame->pkt_duration, &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) {
|
|
AVRational sar;
|
|
|
|
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");
|
|
sar = av_guess_sample_aspect_ratio(fmt_ctx, stream, frame);
|
|
if (sar.num) {
|
|
print_q("sample_aspect_ratio", sar, ':');
|
|
} 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);
|
|
print_int("channels", av_frame_get_channels(frame));
|
|
if (av_frame_get_channel_layout(frame)) {
|
|
av_bprint_clear(&pbuf);
|
|
av_bprint_channel_layout(&pbuf, av_frame_get_channels(frame),
|
|
av_frame_get_channel_layout(frame));
|
|
print_str ("channel_layout", pbuf.str);
|
|
} else
|
|
print_str_opt("channel_layout", "unknown");
|
|
break;
|
|
}
|
|
show_tags(av_frame_get_metadata(frame));
|
|
|
|
print_section_footer("frame");
|
|
|
|
av_bprint_finalize(&pbuf, NULL);
|
|
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;
|
|
if (dec_ctx->codec) {
|
|
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 (pkt1.size) {
|
|
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], fmt_ctx);
|
|
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], fmt_ctx);
|
|
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 sar, dar;
|
|
AVBPrint pbuf;
|
|
|
|
av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
|
|
|
|
print_section_header("stream");
|
|
|
|
print_int("index", stream->index);
|
|
|
|
if ((dec_ctx = stream->codec)) {
|
|
const char *profile = NULL;
|
|
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");
|
|
}
|
|
|
|
if (dec && (profile = av_get_profile_name(dec, dec_ctx->profile)))
|
|
print_str("profile", profile);
|
|
else
|
|
print_str_opt("profile", "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_q("codec_time_base", dec_ctx->time_base, '/');
|
|
|
|
/* 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);
|
|
sar = av_guess_sample_aspect_ratio(fmt_ctx, stream, NULL);
|
|
if (sar.den) {
|
|
print_q("sample_aspect_ratio", sar, ':');
|
|
av_reduce(&dar.num, &dar.den,
|
|
dec_ctx->width * sar.num,
|
|
dec_ctx->height * sar.den,
|
|
1024*1024);
|
|
print_q("display_aspect_ratio", dar, ':');
|
|
} 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_q("r_frame_rate", stream->r_frame_rate, '/');
|
|
print_q("avg_frame_rate", stream->avg_frame_rate, '/');
|
|
print_q("time_base", stream->time_base, '/');
|
|
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");
|
|
if (do_show_data)
|
|
writer_print_data(w, "extradata", dec_ctx->extradata,
|
|
dec_ctx->extradata_size);
|
|
show_tags(stream->metadata);
|
|
|
|
print_section_footer("stream");
|
|
av_bprint_finalize(&pbuf, NULL);
|
|
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 (stream->codec->codec_id == CODEC_ID_PROBE) {
|
|
av_log(NULL, AV_LOG_ERROR,
|
|
"Failed to probe codec for input stream %d\n",
|
|
stream->index);
|
|
} else 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;
|
|
}
|
|
|
|
static void close_input_file(AVFormatContext **ctx_ptr)
|
|
{
|
|
int i;
|
|
AVFormatContext *fmt_ctx = *ctx_ptr;
|
|
|
|
/* close decoder for each stream */
|
|
for (i = 0; i < fmt_ctx->nb_streams; i++)
|
|
if (fmt_ctx->streams[i]->codec->codec_id != CODEC_ID_NONE)
|
|
avcodec_close(fmt_ctx->streams[i]->codec);
|
|
|
|
avformat_close_input(ctx_ptr);
|
|
}
|
|
|
|
#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;
|
|
|
|
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);
|
|
close_input_file(&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)
|
|
{
|
|
AVBPrint pbuf;
|
|
av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
|
|
|
|
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_ident", CC_IDENT);
|
|
print_str("configuration", FFMPEG_CONFIGURATION);
|
|
print_section_footer("program_version");
|
|
writer_print_chapter_footer(w, "program_version");
|
|
|
|
av_bprint_finalize(&pbuf, NULL);
|
|
}
|
|
|
|
#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 int opt_show_format_entry(const char *opt, const char *arg)
|
|
{
|
|
do_show_format = 1;
|
|
av_dict_set(&fmt_entries_to_show, arg, "", 0);
|
|
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 real_options[] = {
|
|
#include "cmdutils_common_opts.h"
|
|
{ "f", HAS_ARG, {(void*)opt_format}, "force format", "format" },
|
|
{ "unit", OPT_BOOL, {(void*)&show_value_unit}, "show unit of the displayed values" },
|
|
{ "prefix", OPT_BOOL, {(void*)&use_value_prefix}, "use SI prefixes for the displayed values" },
|
|
{ "byte_binary_prefix", OPT_BOOL, {(void*)&use_byte_value_binary_prefix},
|
|
"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, flat, ini, json, xml)", "format" },
|
|
{ "of", OPT_STRING | HAS_ARG, {(void*)&print_format}, "alias for -print_format", "format" },
|
|
{ "show_data", OPT_BOOL, {(void*)&do_show_data}, "show packets data" },
|
|
{ "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_format_entry", HAS_ARG, {(void*)opt_show_format_entry},
|
|
"show a particular entry from the format/container info", "entry" },
|
|
{ "show_packets", OPT_BOOL, {(void*)&do_show_packets}, "show packets info" },
|
|
{ "show_streams", OPT_BOOL, {(void*)&do_show_streams}, "show streams info" },
|
|
{ "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);
|
|
options = real_options;
|
|
parse_loglevel(argc, argv, options);
|
|
av_register_all();
|
|
avformat_network_init();
|
|
init_opts();
|
|
#if CONFIG_AVDEVICE
|
|
avdevice_register_all();
|
|
#endif
|
|
|
|
show_banner(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);
|
|
|
|
uninit_opts();
|
|
av_dict_free(&fmt_entries_to_show);
|
|
|
|
avformat_network_deinit();
|
|
|
|
return ret;
|
|
}
|