blob: 3453aa09ff3ae8be9d13cc9b5bc33bbbd5b05dd5 [file] [log] [blame]
/*
* 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 "libavutil/ffversion.h"
#include <string.h>
#include "libavformat/avformat.h"
#include "libavcodec/avcodec.h"
#include "libavutil/avassert.h"
#include "libavutil/avstring.h"
#include "libavutil/bprint.h"
#include "libavutil/display.h"
#include "libavutil/hash.h"
#include "libavutil/hdr_dynamic_metadata.h"
#include "libavutil/mastering_display_metadata.h"
#include "libavutil/dovi_meta.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "libavutil/spherical.h"
#include "libavutil/stereo3d.h"
#include "libavutil/dict.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/libm.h"
#include "libavutil/parseutils.h"
#include "libavutil/timecode.h"
#include "libavutil/timestamp.h"
#include "libavdevice/avdevice.h"
#include "libswscale/swscale.h"
#include "libswresample/swresample.h"
#include "libpostproc/postprocess.h"
#include "cmdutils.h"
#include "libavutil/thread.h"
#if !HAVE_THREADS
# ifdef pthread_mutex_lock
# undef pthread_mutex_lock
# endif
# define pthread_mutex_lock(a) do{}while(0)
# ifdef pthread_mutex_unlock
# undef pthread_mutex_unlock
# endif
# define pthread_mutex_unlock(a) do{}while(0)
#endif
typedef struct InputStream {
AVStream *st;
AVCodecContext *dec_ctx;
} InputStream;
typedef struct InputFile {
AVFormatContext *fmt_ctx;
InputStream *streams;
int nb_streams;
} InputFile;
const char program_name[] = "ffprobe";
const int program_birth_year = 2007;
static int do_bitexact = 0;
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_chapters = 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_programs = 0;
static int do_show_streams = 0;
static int do_show_stream_disposition = 0;
static int do_show_data = 0;
static int do_show_program_version = 0;
static int do_show_library_versions = 0;
static int do_show_pixel_formats = 0;
static int do_show_pixel_format_flags = 0;
static int do_show_pixel_format_components = 0;
static int do_show_log = 0;
static int do_show_chapter_tags = 0;
static int do_show_format_tags = 0;
static int do_show_frame_tags = 0;
static int do_show_program_tags = 0;
static int do_show_stream_tags = 0;
static int do_show_packet_tags = 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 char *stream_specifier;
static char *show_data_hash;
typedef struct ReadInterval {
int id; ///< identifier
int64_t start, end; ///< start, end in second/AV_TIME_BASE units
int has_start, has_end;
int start_is_offset, end_is_offset;
int duration_frames;
} ReadInterval;
static ReadInterval *read_intervals;
static int read_intervals_nb = 0;
static int find_stream_info = 1;
/* section structure definition */
#define SECTION_MAX_NB_CHILDREN 10
struct section {
int id; ///< unique id identifying a section
const char *name;
#define SECTION_FLAG_IS_WRAPPER 1 ///< the section only contains other sections, but has no data at its own level
#define SECTION_FLAG_IS_ARRAY 2 ///< the section contains an array of elements of the same type
#define SECTION_FLAG_HAS_VARIABLE_FIELDS 4 ///< the section may contain a variable number of fields with variable keys.
/// For these sections the element_name field is mandatory.
int flags;
int children_ids[SECTION_MAX_NB_CHILDREN+1]; ///< list of children section IDS, terminated by -1
const char *element_name; ///< name of the contained element, if provided
const char *unique_name; ///< unique section name, in case the name is ambiguous
AVDictionary *entries_to_show;
int show_all_entries;
};
typedef enum {
SECTION_ID_NONE = -1,
SECTION_ID_CHAPTER,
SECTION_ID_CHAPTER_TAGS,
SECTION_ID_CHAPTERS,
SECTION_ID_ERROR,
SECTION_ID_FORMAT,
SECTION_ID_FORMAT_TAGS,
SECTION_ID_FRAME,
SECTION_ID_FRAMES,
SECTION_ID_FRAME_TAGS,
SECTION_ID_FRAME_SIDE_DATA_LIST,
SECTION_ID_FRAME_SIDE_DATA,
SECTION_ID_FRAME_SIDE_DATA_TIMECODE_LIST,
SECTION_ID_FRAME_SIDE_DATA_TIMECODE,
SECTION_ID_FRAME_LOG,
SECTION_ID_FRAME_LOGS,
SECTION_ID_LIBRARY_VERSION,
SECTION_ID_LIBRARY_VERSIONS,
SECTION_ID_PACKET,
SECTION_ID_PACKET_TAGS,
SECTION_ID_PACKETS,
SECTION_ID_PACKETS_AND_FRAMES,
SECTION_ID_PACKET_SIDE_DATA_LIST,
SECTION_ID_PACKET_SIDE_DATA,
SECTION_ID_PIXEL_FORMAT,
SECTION_ID_PIXEL_FORMAT_FLAGS,
SECTION_ID_PIXEL_FORMAT_COMPONENT,
SECTION_ID_PIXEL_FORMAT_COMPONENTS,
SECTION_ID_PIXEL_FORMATS,
SECTION_ID_PROGRAM_STREAM_DISPOSITION,
SECTION_ID_PROGRAM_STREAM_TAGS,
SECTION_ID_PROGRAM,
SECTION_ID_PROGRAM_STREAMS,
SECTION_ID_PROGRAM_STREAM,
SECTION_ID_PROGRAM_TAGS,
SECTION_ID_PROGRAM_VERSION,
SECTION_ID_PROGRAMS,
SECTION_ID_ROOT,
SECTION_ID_STREAM,
SECTION_ID_STREAM_DISPOSITION,
SECTION_ID_STREAMS,
SECTION_ID_STREAM_TAGS,
SECTION_ID_STREAM_SIDE_DATA_LIST,
SECTION_ID_STREAM_SIDE_DATA,
SECTION_ID_SUBTITLE,
} SectionID;
static struct section sections[] = {
[SECTION_ID_CHAPTERS] = { SECTION_ID_CHAPTERS, "chapters", SECTION_FLAG_IS_ARRAY, { SECTION_ID_CHAPTER, -1 } },
[SECTION_ID_CHAPTER] = { SECTION_ID_CHAPTER, "chapter", 0, { SECTION_ID_CHAPTER_TAGS, -1 } },
[SECTION_ID_CHAPTER_TAGS] = { SECTION_ID_CHAPTER_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "chapter_tags" },
[SECTION_ID_ERROR] = { SECTION_ID_ERROR, "error", 0, { -1 } },
[SECTION_ID_FORMAT] = { SECTION_ID_FORMAT, "format", 0, { SECTION_ID_FORMAT_TAGS, -1 } },
[SECTION_ID_FORMAT_TAGS] = { SECTION_ID_FORMAT_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "format_tags" },
[SECTION_ID_FRAMES] = { SECTION_ID_FRAMES, "frames", SECTION_FLAG_IS_ARRAY, { SECTION_ID_FRAME, SECTION_ID_SUBTITLE, -1 } },
[SECTION_ID_FRAME] = { SECTION_ID_FRAME, "frame", 0, { SECTION_ID_FRAME_TAGS, SECTION_ID_FRAME_SIDE_DATA_LIST, SECTION_ID_FRAME_LOGS, -1 } },
[SECTION_ID_FRAME_TAGS] = { SECTION_ID_FRAME_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "frame_tags" },
[SECTION_ID_FRAME_SIDE_DATA_LIST] ={ SECTION_ID_FRAME_SIDE_DATA_LIST, "side_data_list", SECTION_FLAG_IS_ARRAY, { SECTION_ID_FRAME_SIDE_DATA, -1 }, .element_name = "side_data", .unique_name = "frame_side_data_list" },
[SECTION_ID_FRAME_SIDE_DATA] = { SECTION_ID_FRAME_SIDE_DATA, "side_data", 0, { SECTION_ID_FRAME_SIDE_DATA_TIMECODE_LIST, -1 } },
[SECTION_ID_FRAME_SIDE_DATA_TIMECODE_LIST] = { SECTION_ID_FRAME_SIDE_DATA_TIMECODE_LIST, "timecodes", SECTION_FLAG_IS_ARRAY, { SECTION_ID_FRAME_SIDE_DATA_TIMECODE, -1 } },
[SECTION_ID_FRAME_SIDE_DATA_TIMECODE] = { SECTION_ID_FRAME_SIDE_DATA_TIMECODE, "timecode", 0, { -1 } },
[SECTION_ID_FRAME_LOGS] = { SECTION_ID_FRAME_LOGS, "logs", SECTION_FLAG_IS_ARRAY, { SECTION_ID_FRAME_LOG, -1 } },
[SECTION_ID_FRAME_LOG] = { SECTION_ID_FRAME_LOG, "log", 0, { -1 }, },
[SECTION_ID_LIBRARY_VERSIONS] = { SECTION_ID_LIBRARY_VERSIONS, "library_versions", SECTION_FLAG_IS_ARRAY, { SECTION_ID_LIBRARY_VERSION, -1 } },
[SECTION_ID_LIBRARY_VERSION] = { SECTION_ID_LIBRARY_VERSION, "library_version", 0, { -1 } },
[SECTION_ID_PACKETS] = { SECTION_ID_PACKETS, "packets", SECTION_FLAG_IS_ARRAY, { SECTION_ID_PACKET, -1} },
[SECTION_ID_PACKETS_AND_FRAMES] = { SECTION_ID_PACKETS_AND_FRAMES, "packets_and_frames", SECTION_FLAG_IS_ARRAY, { SECTION_ID_PACKET, -1} },
[SECTION_ID_PACKET] = { SECTION_ID_PACKET, "packet", 0, { SECTION_ID_PACKET_TAGS, SECTION_ID_PACKET_SIDE_DATA_LIST, -1 } },
[SECTION_ID_PACKET_TAGS] = { SECTION_ID_PACKET_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "packet_tags" },
[SECTION_ID_PACKET_SIDE_DATA_LIST] ={ SECTION_ID_PACKET_SIDE_DATA_LIST, "side_data_list", SECTION_FLAG_IS_ARRAY, { SECTION_ID_PACKET_SIDE_DATA, -1 }, .element_name = "side_data", .unique_name = "packet_side_data_list" },
[SECTION_ID_PACKET_SIDE_DATA] = { SECTION_ID_PACKET_SIDE_DATA, "side_data", 0, { -1 } },
[SECTION_ID_PIXEL_FORMATS] = { SECTION_ID_PIXEL_FORMATS, "pixel_formats", SECTION_FLAG_IS_ARRAY, { SECTION_ID_PIXEL_FORMAT, -1 } },
[SECTION_ID_PIXEL_FORMAT] = { SECTION_ID_PIXEL_FORMAT, "pixel_format", 0, { SECTION_ID_PIXEL_FORMAT_FLAGS, SECTION_ID_PIXEL_FORMAT_COMPONENTS, -1 } },
[SECTION_ID_PIXEL_FORMAT_FLAGS] = { SECTION_ID_PIXEL_FORMAT_FLAGS, "flags", 0, { -1 }, .unique_name = "pixel_format_flags" },
[SECTION_ID_PIXEL_FORMAT_COMPONENTS] = { SECTION_ID_PIXEL_FORMAT_COMPONENTS, "components", SECTION_FLAG_IS_ARRAY, {SECTION_ID_PIXEL_FORMAT_COMPONENT, -1 }, .unique_name = "pixel_format_components" },
[SECTION_ID_PIXEL_FORMAT_COMPONENT] = { SECTION_ID_PIXEL_FORMAT_COMPONENT, "component", 0, { -1 } },
[SECTION_ID_PROGRAM_STREAM_DISPOSITION] = { SECTION_ID_PROGRAM_STREAM_DISPOSITION, "disposition", 0, { -1 }, .unique_name = "program_stream_disposition" },
[SECTION_ID_PROGRAM_STREAM_TAGS] = { SECTION_ID_PROGRAM_STREAM_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "program_stream_tags" },
[SECTION_ID_PROGRAM] = { SECTION_ID_PROGRAM, "program", 0, { SECTION_ID_PROGRAM_TAGS, SECTION_ID_PROGRAM_STREAMS, -1 } },
[SECTION_ID_PROGRAM_STREAMS] = { SECTION_ID_PROGRAM_STREAMS, "streams", SECTION_FLAG_IS_ARRAY, { SECTION_ID_PROGRAM_STREAM, -1 }, .unique_name = "program_streams" },
[SECTION_ID_PROGRAM_STREAM] = { SECTION_ID_PROGRAM_STREAM, "stream", 0, { SECTION_ID_PROGRAM_STREAM_DISPOSITION, SECTION_ID_PROGRAM_STREAM_TAGS, -1 }, .unique_name = "program_stream" },
[SECTION_ID_PROGRAM_TAGS] = { SECTION_ID_PROGRAM_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "program_tags" },
[SECTION_ID_PROGRAM_VERSION] = { SECTION_ID_PROGRAM_VERSION, "program_version", 0, { -1 } },
[SECTION_ID_PROGRAMS] = { SECTION_ID_PROGRAMS, "programs", SECTION_FLAG_IS_ARRAY, { SECTION_ID_PROGRAM, -1 } },
[SECTION_ID_ROOT] = { SECTION_ID_ROOT, "root", SECTION_FLAG_IS_WRAPPER,
{ SECTION_ID_CHAPTERS, SECTION_ID_FORMAT, SECTION_ID_FRAMES, SECTION_ID_PROGRAMS, SECTION_ID_STREAMS,
SECTION_ID_PACKETS, SECTION_ID_ERROR, SECTION_ID_PROGRAM_VERSION, SECTION_ID_LIBRARY_VERSIONS,
SECTION_ID_PIXEL_FORMATS, -1} },
[SECTION_ID_STREAMS] = { SECTION_ID_STREAMS, "streams", SECTION_FLAG_IS_ARRAY, { SECTION_ID_STREAM, -1 } },
[SECTION_ID_STREAM] = { SECTION_ID_STREAM, "stream", 0, { SECTION_ID_STREAM_DISPOSITION, SECTION_ID_STREAM_TAGS, SECTION_ID_STREAM_SIDE_DATA_LIST, -1 } },
[SECTION_ID_STREAM_DISPOSITION] = { SECTION_ID_STREAM_DISPOSITION, "disposition", 0, { -1 }, .unique_name = "stream_disposition" },
[SECTION_ID_STREAM_TAGS] = { SECTION_ID_STREAM_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "stream_tags" },
[SECTION_ID_STREAM_SIDE_DATA_LIST] ={ SECTION_ID_STREAM_SIDE_DATA_LIST, "side_data_list", SECTION_FLAG_IS_ARRAY, { SECTION_ID_STREAM_SIDE_DATA, -1 }, .element_name = "side_data", .unique_name = "stream_side_data_list" },
[SECTION_ID_STREAM_SIDE_DATA] = { SECTION_ID_STREAM_SIDE_DATA, "side_data", 0, { -1 } },
[SECTION_ID_SUBTITLE] = { SECTION_ID_SUBTITLE, "subtitle", 0, { -1 } },
};
static const OptionDef *options;
/* FFprobe context */
static const char *input_filename;
static const char *print_input_filename;
static AVInputFormat *iformat = NULL;
static struct AVHashContext *hash;
static const struct {
double bin_val;
double dec_val;
const char *bin_str;
const char *dec_str;
} si_prefixes[] = {
{ 1.0, 1.0, "", "" },
{ 1.024e3, 1e3, "Ki", "K" },
{ 1.048576e6, 1e6, "Mi", "M" },
{ 1.073741824e9, 1e9, "Gi", "G" },
{ 1.099511627776e12, 1e12, "Ti", "T" },
{ 1.125899906842624e15, 1e15, "Pi", "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 int nb_streams;
static uint64_t *nb_streams_packets;
static uint64_t *nb_streams_frames;
static int *selected_streams;
#if HAVE_THREADS
pthread_mutex_t log_mutex;
#endif
typedef struct LogBuffer {
char *context_name;
int log_level;
char *log_message;
AVClassCategory category;
char *parent_name;
AVClassCategory parent_category;
}LogBuffer;
static LogBuffer *log_buffer;
static int log_buffer_size;
static void log_callback(void *ptr, int level, const char *fmt, va_list vl)
{
AVClass* avc = ptr ? *(AVClass **) ptr : NULL;
va_list vl2;
char line[1024];
static int print_prefix = 1;
void *new_log_buffer;
va_copy(vl2, vl);
av_log_default_callback(ptr, level, fmt, vl);
av_log_format_line(ptr, level, fmt, vl2, line, sizeof(line), &print_prefix);
va_end(vl2);
#if HAVE_THREADS
pthread_mutex_lock(&log_mutex);
new_log_buffer = av_realloc_array(log_buffer, log_buffer_size + 1, sizeof(*log_buffer));
if (new_log_buffer) {
char *msg;
int i;
log_buffer = new_log_buffer;
memset(&log_buffer[log_buffer_size], 0, sizeof(log_buffer[log_buffer_size]));
log_buffer[log_buffer_size].context_name= avc ? av_strdup(avc->item_name(ptr)) : NULL;
if (avc) {
if (avc->get_category) log_buffer[log_buffer_size].category = avc->get_category(ptr);
else log_buffer[log_buffer_size].category = avc->category;
}
log_buffer[log_buffer_size].log_level = level;
msg = log_buffer[log_buffer_size].log_message = av_strdup(line);
for (i=strlen(msg) - 1; i>=0 && msg[i] == '\n'; i--) {
msg[i] = 0;
}
if (avc && avc->parent_log_context_offset) {
AVClass** parent = *(AVClass ***) (((uint8_t *) ptr) +
avc->parent_log_context_offset);
if (parent && *parent) {
log_buffer[log_buffer_size].parent_name = av_strdup((*parent)->item_name(parent));
log_buffer[log_buffer_size].parent_category =
(*parent)->get_category ? (*parent)->get_category(parent) :(*parent)->category;
}
}
log_buffer_size ++;
}
pthread_mutex_unlock(&log_mutex);
#endif
}
static void ffprobe_cleanup(int ret)
{
int i;
for (i = 0; i < FF_ARRAY_ELEMS(sections); i++)
av_dict_free(&(sections[i].entries_to_show));
#if HAVE_THREADS
pthread_mutex_destroy(&log_mutex);
#endif
}
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;
long long int vali;
int show_float = 0;
if (uv.unit == unit_second_str) {
vald = uv.val.d;
show_float = 1;
} else {
vald = vali = 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 = "";
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) (log2(vald)) / 10;
index = av_clip(index, 0, FF_ARRAY_ELEMS(si_prefixes) - 1);
vald /= si_prefixes[index].bin_val;
prefix_string = si_prefixes[index].bin_str;
} else {
index = (long long int) (log10(vald)) / 3;
index = av_clip(index, 0, FF_ARRAY_ELEMS(si_prefixes) - 1);
vald /= si_prefixes[index].dec_val;
prefix_string = si_prefixes[index].dec_str;
}
vali = vald;
}
if (show_float || (use_value_prefix && vald != (long long int)vald))
snprintf(buf, buf_size, "%f", vald);
else
snprintf(buf, buf_size, "%lld", vali);
av_strlcatf(buf, buf_size, "%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 enum {
WRITER_STRING_VALIDATION_FAIL,
WRITER_STRING_VALIDATION_REPLACE,
WRITER_STRING_VALIDATION_IGNORE,
WRITER_STRING_VALIDATION_NB
} StringValidation;
typedef struct Writer {
const AVClass *priv_class; ///< private class of the writer, if any
int priv_size; ///< private size for the writer context
const char *name;
int (*init) (WriterContext *wctx);
void (*uninit)(WriterContext *wctx);
void (*print_section_header)(WriterContext *wctx);
void (*print_section_footer)(WriterContext *wctx);
void (*print_integer) (WriterContext *wctx, const char *, long long int);
void (*print_rational) (WriterContext *wctx, AVRational *q, char *sep);
void (*print_string) (WriterContext *wctx, const char *, const char *);
int flags; ///< a combination or WRITER_FLAG_*
} Writer;
#define SECTION_MAX_NB_LEVELS 10
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
const struct section *sections; ///< array containing all sections
int nb_sections; ///< number of sections
int level; ///< current level, starting from 0
/** number of the item printed in the given section, starting from 0 */
unsigned int nb_item[SECTION_MAX_NB_LEVELS];
/** section per each level */
const struct section *section[SECTION_MAX_NB_LEVELS];
AVBPrint section_pbuf[SECTION_MAX_NB_LEVELS]; ///< generic print buffer dedicated to each section,
/// used by various writers
unsigned int nb_section_packet; ///< number of the packet section in case we are in "packets_and_frames" section
unsigned int nb_section_frame; ///< number of the frame section in case we are in "packets_and_frames" section
unsigned int nb_section_packet_frame; ///< nb_section_packet or nb_section_frame according if is_packets_and_frames
int string_validation;
char *string_validation_replacement;
unsigned int string_validation_utf8_flags;
};
static const char *writer_get_name(void *p)
{
WriterContext *wctx = p;
return wctx->writer->name;
}
#define OFFSET(x) offsetof(WriterContext, x)
static const AVOption writer_options[] = {
{ "string_validation", "set string validation mode",
OFFSET(string_validation), AV_OPT_TYPE_INT, {.i64=WRITER_STRING_VALIDATION_REPLACE}, 0, WRITER_STRING_VALIDATION_NB-1, .unit = "sv" },
{ "sv", "set string validation mode",
OFFSET(string_validation), AV_OPT_TYPE_INT, {.i64=WRITER_STRING_VALIDATION_REPLACE}, 0, WRITER_STRING_VALIDATION_NB-1, .unit = "sv" },
{ "ignore", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = WRITER_STRING_VALIDATION_IGNORE}, .unit = "sv" },
{ "replace", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = WRITER_STRING_VALIDATION_REPLACE}, .unit = "sv" },
{ "fail", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = WRITER_STRING_VALIDATION_FAIL}, .unit = "sv" },
{ "string_validation_replacement", "set string validation replacement string", OFFSET(string_validation_replacement), AV_OPT_TYPE_STRING, {.str=""}},
{ "svr", "set string validation replacement string", OFFSET(string_validation_replacement), AV_OPT_TYPE_STRING, {.str="\xEF\xBF\xBD"}},
{ NULL }
};
static void *writer_child_next(void *obj, void *prev)
{
WriterContext *ctx = obj;
if (!prev && ctx->writer && ctx->writer->priv_class && ctx->priv)
return ctx->priv;
return NULL;
}
static const AVClass writer_class = {
.class_name = "Writer",
.item_name = writer_get_name,
.option = writer_options,
.version = LIBAVUTIL_VERSION_INT,
.child_next = writer_child_next,
};
static void writer_close(WriterContext **wctx)
{
int i;
if (!*wctx)
return;
if ((*wctx)->writer->uninit)
(*wctx)->writer->uninit(*wctx);
for (i = 0; i < SECTION_MAX_NB_LEVELS; i++)
av_bprint_finalize(&(*wctx)->section_pbuf[i], NULL);
if ((*wctx)->writer->priv_class)
av_opt_free((*wctx)->priv);
av_freep(&((*wctx)->priv));
av_opt_free(*wctx);
av_freep(wctx);
}
static void bprint_bytes(AVBPrint *bp, const uint8_t *ubuf, size_t ubuf_size)
{
int i;
av_bprintf(bp, "0X");
for (i = 0; i < ubuf_size; i++)
av_bprintf(bp, "%02X", ubuf[i]);
}
static int writer_open(WriterContext **wctx, const Writer *writer, const char *args,
const struct section *sections, int nb_sections)
{
int i, ret = 0;
if (!(*wctx = av_mallocz(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;
(*wctx)->level = -1;
(*wctx)->sections = sections;
(*wctx)->nb_sections = nb_sections;
av_opt_set_defaults(*wctx);
if (writer->priv_class) {
void *priv_ctx = (*wctx)->priv;
*((const AVClass **)priv_ctx) = writer->priv_class;
av_opt_set_defaults(priv_ctx);
}
/* convert options to dictionary */
if (args) {
AVDictionary *opts = NULL;
AVDictionaryEntry *opt = NULL;
if ((ret = av_dict_parse_string(&opts, args, "=", ":", 0)) < 0) {
av_log(*wctx, AV_LOG_ERROR, "Failed to parse option string '%s' provided to writer context\n", args);
av_dict_free(&opts);
goto fail;
}
while ((opt = av_dict_get(opts, "", opt, AV_DICT_IGNORE_SUFFIX))) {
if ((ret = av_opt_set(*wctx, opt->key, opt->value, AV_OPT_SEARCH_CHILDREN)) < 0) {
av_log(*wctx, AV_LOG_ERROR, "Failed to set option '%s' with value '%s' provided to writer context\n",
opt->key, opt->value);
av_dict_free(&opts);
goto fail;
}
}
av_dict_free(&opts);
}
/* validate replace string */
{
const uint8_t *p = (*wctx)->string_validation_replacement;
const uint8_t *endp = p + strlen(p);
while (*p) {
const uint8_t *p0 = p;
int32_t code;
ret = av_utf8_decode(&code, &p, endp, (*wctx)->string_validation_utf8_flags);
if (ret < 0) {
AVBPrint bp;
av_bprint_init(&bp, 0, AV_BPRINT_SIZE_AUTOMATIC);
bprint_bytes(&bp, p0, p-p0),
av_log(wctx, AV_LOG_ERROR,
"Invalid UTF8 sequence %s found in string validation replace '%s'\n",
bp.str, (*wctx)->string_validation_replacement);
return ret;
}
}
}
for (i = 0; i < SECTION_MAX_NB_LEVELS; i++)
av_bprint_init(&(*wctx)->section_pbuf[i], 1, AV_BPRINT_SIZE_UNLIMITED);
if ((*wctx)->writer->init)
ret = (*wctx)->writer->init(*wctx);
if (ret < 0)
goto fail;
return 0;
fail:
writer_close(wctx);
return ret;
}
static inline void writer_print_section_header(WriterContext *wctx,
int section_id)
{
int parent_section_id;
wctx->level++;
av_assert0(wctx->level < SECTION_MAX_NB_LEVELS);
parent_section_id = wctx->level ?
(wctx->section[wctx->level-1])->id : SECTION_ID_NONE;
wctx->nb_item[wctx->level] = 0;
wctx->section[wctx->level] = &wctx->sections[section_id];
if (section_id == SECTION_ID_PACKETS_AND_FRAMES) {
wctx->nb_section_packet = wctx->nb_section_frame =
wctx->nb_section_packet_frame = 0;
} else if (parent_section_id == SECTION_ID_PACKETS_AND_FRAMES) {
wctx->nb_section_packet_frame = section_id == SECTION_ID_PACKET ?
wctx->nb_section_packet : wctx->nb_section_frame;
}
if (wctx->writer->print_section_header)
wctx->writer->print_section_header(wctx);
}
static inline void writer_print_section_footer(WriterContext *wctx)
{
int section_id = wctx->section[wctx->level]->id;
int parent_section_id = wctx->level ?
wctx->section[wctx->level-1]->id : SECTION_ID_NONE;
if (parent_section_id != SECTION_ID_NONE)
wctx->nb_item[wctx->level-1]++;
if (parent_section_id == SECTION_ID_PACKETS_AND_FRAMES) {
if (section_id == SECTION_ID_PACKET) wctx->nb_section_packet++;
else wctx->nb_section_frame++;
}
if (wctx->writer->print_section_footer)
wctx->writer->print_section_footer(wctx);
wctx->level--;
}
static inline void writer_print_integer(WriterContext *wctx,
const char *key, long long int val)
{
const struct section *section = wctx->section[wctx->level];
if (section->show_all_entries || av_dict_get(section->entries_to_show, key, NULL, 0)) {
wctx->writer->print_integer(wctx, key, val);
wctx->nb_item[wctx->level]++;
}
}
static inline int validate_string(WriterContext *wctx, char **dstp, const char *src)
{
const uint8_t *p, *endp;
AVBPrint dstbuf;
int invalid_chars_nb = 0, ret = 0;
av_bprint_init(&dstbuf, 0, AV_BPRINT_SIZE_UNLIMITED);
endp = src + strlen(src);
for (p = (uint8_t *)src; *p;) {
uint32_t code;
int invalid = 0;
const uint8_t *p0 = p;
if (av_utf8_decode(&code, &p, endp, wctx->string_validation_utf8_flags) < 0) {
AVBPrint bp;
av_bprint_init(&bp, 0, AV_BPRINT_SIZE_AUTOMATIC);
bprint_bytes(&bp, p0, p-p0);
av_log(wctx, AV_LOG_DEBUG,
"Invalid UTF-8 sequence %s found in string '%s'\n", bp.str, src);
invalid = 1;
}
if (invalid) {
invalid_chars_nb++;
switch (wctx->string_validation) {
case WRITER_STRING_VALIDATION_FAIL:
av_log(wctx, AV_LOG_ERROR,
"Invalid UTF-8 sequence found in string '%s'\n", src);
ret = AVERROR_INVALIDDATA;
goto end;
break;
case WRITER_STRING_VALIDATION_REPLACE:
av_bprintf(&dstbuf, "%s", wctx->string_validation_replacement);
break;
}
}
if (!invalid || wctx->string_validation == WRITER_STRING_VALIDATION_IGNORE)
av_bprint_append_data(&dstbuf, p0, p-p0);
}
if (invalid_chars_nb && wctx->string_validation == WRITER_STRING_VALIDATION_REPLACE) {
av_log(wctx, AV_LOG_WARNING,
"%d invalid UTF-8 sequence(s) found in string '%s', replaced with '%s'\n",
invalid_chars_nb, src, wctx->string_validation_replacement);
}
end:
av_bprint_finalize(&dstbuf, dstp);
return ret;
}
#define PRINT_STRING_OPT 1
#define PRINT_STRING_VALIDATE 2
static inline int writer_print_string(WriterContext *wctx,
const char *key, const char *val, int flags)
{
const struct section *section = wctx->section[wctx->level];
int ret = 0;
if ((flags & PRINT_STRING_OPT)
&& !(wctx->writer->flags & WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS))
return 0;
if (section->show_all_entries || av_dict_get(section->entries_to_show, key, NULL, 0)) {
if (flags & PRINT_STRING_VALIDATE) {
char *key1 = NULL, *val1 = NULL;
ret = validate_string(wctx, &key1, key);
if (ret < 0) goto end;
ret = validate_string(wctx, &val1, val);
if (ret < 0) goto end;
wctx->writer->print_string(wctx, key1, val1);
end:
if (ret < 0) {
av_log(wctx, AV_LOG_ERROR,
"Invalid key=value string combination %s=%s in section %s\n",
key, val, section->unique_name);
}
av_free(key1);
av_free(val1);
} else {
wctx->writer->print_string(wctx, key, val);
}
wctx->nb_item[wctx->level]++;
}
return ret;
}
static inline void writer_print_rational(WriterContext *wctx,
const char *key, AVRational q, char sep)
{
AVBPrint buf;
av_bprint_init(&buf, 0, AV_BPRINT_SIZE_AUTOMATIC);
av_bprintf(&buf, "%d%c%d", q.num, sep, q.den);
writer_print_string(wctx, key, buf.str, 0);
}
static void writer_print_time(WriterContext *wctx, const char *key,
int64_t ts, const AVRational *time_base, int is_duration)
{
char buf[128];
if ((!is_duration && ts == AV_NOPTS_VALUE) || (is_duration && ts == 0)) {
writer_print_string(wctx, key, "N/A", PRINT_STRING_OPT);
} else {
double d = ts * av_q2d(*time_base);
struct unit_value uv;
uv.val.d = d;
uv.unit = unit_second_str;
value_string(buf, sizeof(buf), uv);
writer_print_string(wctx, key, buf, 0);
}
}
static void writer_print_ts(WriterContext *wctx, const char *key, int64_t ts, int is_duration)
{
if ((!is_duration && ts == AV_NOPTS_VALUE) || (is_duration && ts == 0)) {
writer_print_string(wctx, key, "N/A", PRINT_STRING_OPT);
} else {
writer_print_integer(wctx, key, ts);
}
}
static void writer_print_data(WriterContext *wctx, const char *name,
uint8_t *data, int size)
{
AVBPrint bp;
int offset = 0, l, i;
av_bprint_init(&bp, 0, AV_BPRINT_SIZE_UNLIMITED);
av_bprintf(&bp, "\n");
while (size) {
av_bprintf(&bp, "%08x: ", offset);
l = FFMIN(size, 16);
for (i = 0; i < l; i++) {
av_bprintf(&bp, "%02x", data[i]);
if (i & 1)
av_bprintf(&bp, " ");
}
av_bprint_chars(&bp, ' ', 41 - 2 * i - i / 2);
for (i = 0; i < l; i++)
av_bprint_chars(&bp, data[i] - 32U < 95 ? data[i] : '.', 1);
av_bprintf(&bp, "\n");
offset += l;
data += l;
size -= l;
}
writer_print_string(wctx, name, bp.str, 0);
av_bprint_finalize(&bp, NULL);
}
static void writer_print_data_hash(WriterContext *wctx, const char *name,
uint8_t *data, int size)
{
char *p, buf[AV_HASH_MAX_SIZE * 2 + 64] = { 0 };
if (!hash)
return;
av_hash_init(hash);
av_hash_update(hash, data, size);
snprintf(buf, sizeof(buf), "%s:", av_hash_get_name(hash));
p = buf + strlen(buf);
av_hash_final_hex(hash, p, buf + sizeof(buf) - p);
writer_print_string(wctx, name, buf, 0);
}
static void writer_print_integers(WriterContext *wctx, const char *name,
uint8_t *data, int size, const char *format,
int columns, int bytes, int offset_add)
{
AVBPrint bp;
int offset = 0, l, i;
av_bprint_init(&bp, 0, AV_BPRINT_SIZE_UNLIMITED);
av_bprintf(&bp, "\n");
while (size) {
av_bprintf(&bp, "%08x: ", offset);
l = FFMIN(size, columns);
for (i = 0; i < l; i++) {
if (bytes == 1) av_bprintf(&bp, format, *data);
else if (bytes == 2) av_bprintf(&bp, format, AV_RN16(data));
else if (bytes == 4) av_bprintf(&bp, format, AV_RN32(data));
data += bytes;
size --;
}
av_bprintf(&bp, "\n");
offset += offset_add;
}
writer_print_string(wctx, name, bp.str, 0);
av_bprint_finalize(&bp, NULL);
}
#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;
}
/* WRITERS */
#define DEFINE_WRITER_CLASS(name) \
static const char *name##_get_name(void *ctx) \
{ \
return #name ; \
} \
static const AVClass name##_class = { \
.class_name = #name, \
.item_name = name##_get_name, \
.option = name##_options \
}
/* Default output */
typedef struct DefaultContext {
const AVClass *class;
int nokey;
int noprint_wrappers;
int nested_section[SECTION_MAX_NB_LEVELS];
} DefaultContext;
#undef OFFSET
#define OFFSET(x) offsetof(DefaultContext, x)
static const AVOption default_options[] = {
{ "noprint_wrappers", "do not print headers and footers", OFFSET(noprint_wrappers), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
{ "nw", "do not print headers and footers", OFFSET(noprint_wrappers), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
{ "nokey", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
{ "nk", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
{NULL},
};
DEFINE_WRITER_CLASS(default);
/* 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)
{
DefaultContext *def = wctx->priv;
char buf[32];
const struct section *section = wctx->section[wctx->level];
const struct section *parent_section = wctx->level ?
wctx->section[wctx->level-1] : NULL;
av_bprint_clear(&wctx->section_pbuf[wctx->level]);
if (parent_section &&
!(parent_section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY))) {
def->nested_section[wctx->level] = 1;
av_bprintf(&wctx->section_pbuf[wctx->level], "%s%s:",
wctx->section_pbuf[wctx->level-1].str,
upcase_string(buf, sizeof(buf),
av_x_if_null(section->element_name, section->name)));
}
if (def->noprint_wrappers || def->nested_section[wctx->level])
return;
if (!(section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY)))
printf("[%s]\n", upcase_string(buf, sizeof(buf), section->name));
}
static void default_print_section_footer(WriterContext *wctx)
{
DefaultContext *def = wctx->priv;
const struct section *section = wctx->section[wctx->level];
char buf[32];
if (def->noprint_wrappers || def->nested_section[wctx->level])
return;
if (!(section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY)))
printf("[/%s]\n", upcase_string(buf, sizeof(buf), section->name));
}
static void default_print_str(WriterContext *wctx, const char *key, const char *value)
{
DefaultContext *def = wctx->priv;
if (!def->nokey)
printf("%s%s=", wctx->section_pbuf[wctx->level].str, 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%s=", wctx->section_pbuf[wctx->level].str, key);
printf("%lld\n", value);
}
static const Writer default_writer = {
.name = "default",
.priv_size = sizeof(DefaultContext),
.print_section_header = default_print_section_header,
.print_section_footer = default_print_section_footer,
.print_integer = default_print_int,
.print_string = default_print_str,
.flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS,
.priv_class = &default_class,
};
/* 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)
{
char meta_chars[] = { sep, '"', '\n', '\r', '\0' };
int needs_quoting = !!src[strcspn(src, meta_chars)];
if (needs_quoting)
av_bprint_chars(dst, '"', 1);
for (; *src; src++) {
if (*src == '"')
av_bprint_chars(dst, '"', 1);
av_bprint_chars(dst, *src, 1);
}
if (needs_quoting)
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;
int print_section;
char *escape_mode_str;
const char * (*escape_str)(AVBPrint *dst, const char *src, const char sep, void *log_ctx);
int nested_section[SECTION_MAX_NB_LEVELS];
int has_nested_elems[SECTION_MAX_NB_LEVELS];
int terminate_line[SECTION_MAX_NB_LEVELS];
} 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="|"}, 0, 0 },
{"s", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str="|"}, 0, 0 },
{"nokey", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
{"nk", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
{"escape", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="c"}, 0, 0 },
{"e", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="c"}, 0, 0 },
{"print_section", "print section name", OFFSET(print_section), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1 },
{"p", "print section name", OFFSET(print_section), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1 },
{NULL},
};
DEFINE_WRITER_CLASS(compact);
static av_cold int compact_init(WriterContext *wctx)
{
CompactContext *compact = wctx->priv;
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 void compact_print_section_header(WriterContext *wctx)
{
CompactContext *compact = wctx->priv;
const struct section *section = wctx->section[wctx->level];
const struct section *parent_section = wctx->level ?
wctx->section[wctx->level-1] : NULL;
compact->terminate_line[wctx->level] = 1;
compact->has_nested_elems[wctx->level] = 0;
av_bprint_clear(&wctx->section_pbuf[wctx->level]);
if (!(section->flags & SECTION_FLAG_IS_ARRAY) && parent_section &&
!(parent_section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY))) {
compact->nested_section[wctx->level] = 1;
compact->has_nested_elems[wctx->level-1] = 1;
av_bprintf(&wctx->section_pbuf[wctx->level], "%s%s:",
wctx->section_pbuf[wctx->level-1].str,
(char *)av_x_if_null(section->element_name, section->name));
wctx->nb_item[wctx->level] = wctx->nb_item[wctx->level-1];
} else {
if (parent_section && compact->has_nested_elems[wctx->level-1] &&
(section->flags & SECTION_FLAG_IS_ARRAY)) {
compact->terminate_line[wctx->level-1] = 0;
printf("\n");
}
if (compact->print_section &&
!(section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY)))
printf("%s%c", section->name, compact->item_sep);
}
}
static void compact_print_section_footer(WriterContext *wctx)
{
CompactContext *compact = wctx->priv;
if (!compact->nested_section[wctx->level] &&
compact->terminate_line[wctx->level] &&
!(wctx->section[wctx->level]->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY)))
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[wctx->level]) printf("%c", compact->item_sep);
if (!compact->nokey)
printf("%s%s=", wctx->section_pbuf[wctx->level].str, 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[wctx->level]) printf("%c", compact->item_sep);
if (!compact->nokey)
printf("%s%s=", wctx->section_pbuf[wctx->level].str, key);
printf("%lld", value);
}
static const Writer compact_writer = {
.name = "compact",
.priv_size = sizeof(CompactContext),
.init = compact_init,
.print_section_header = compact_print_section_header,
.print_section_footer = compact_print_section_footer,
.print_integer = compact_print_int,
.print_string = compact_print_str,
.flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS,
.priv_class = &compact_class,
};
/* CSV output */
#undef OFFSET
#define OFFSET(x) offsetof(CompactContext, x)
static const AVOption csv_options[] = {
{"item_sep", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str=","}, 0, 0 },
{"s", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str=","}, 0, 0 },
{"nokey", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1 },
{"nk", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1 },
{"escape", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="csv"}, 0, 0 },
{"e", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="csv"}, 0, 0 },
{"print_section", "print section name", OFFSET(print_section), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1 },
{"p", "print section name", OFFSET(print_section), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1 },
{NULL},
};
DEFINE_WRITER_CLASS(csv);
static const Writer csv_writer = {
.name = "csv",
.priv_size = sizeof(CompactContext),
.init = compact_init,
.print_section_header = compact_print_section_header,
.print_section_footer = compact_print_section_footer,
.print_integer = compact_print_int,
.print_string = compact_print_str,
.flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS,
.priv_class = &csv_class,
};
/* Flat output */
typedef struct FlatContext {
const AVClass *class;
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="."}, 0, 0 },
{"s", "set separator", OFFSET(sep_str), AV_OPT_TYPE_STRING, {.str="."}, 0, 0 },
{"hierarchical", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1 },
{"h", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1 },
{NULL},
};
DEFINE_WRITER_CLASS(flat);
static av_cold int flat_init(WriterContext *wctx)
{
FlatContext *flat = wctx->priv;
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_section_header(WriterContext *wctx)
{
FlatContext *flat = wctx->priv;
AVBPrint *buf = &wctx->section_pbuf[wctx->level];
const struct section *section = wctx->section[wctx->level];
const struct section *parent_section = wctx->level ?
wctx->section[wctx->level-1] : NULL;
/* build section header */
av_bprint_clear(buf);
if (!parent_section)
return;
av_bprintf(buf, "%s", wctx->section_pbuf[wctx->level-1].str);
if (flat->hierarchical ||
!(section->flags & (SECTION_FLAG_IS_ARRAY|SECTION_FLAG_IS_WRAPPER))) {
av_bprintf(buf, "%s%s", wctx->section[wctx->level]->name, flat->sep_str);
if (parent_section->flags & SECTION_FLAG_IS_ARRAY) {
int n = parent_section->id == SECTION_ID_PACKETS_AND_FRAMES ?
wctx->nb_section_packet_frame : wctx->nb_item[wctx->level-1];
av_bprintf(buf, "%d%s", n, flat->sep_str);
}
}
}
static void flat_print_int(WriterContext *wctx, const char *key, long long int value)
{
printf("%s%s=%lld\n", wctx->section_pbuf[wctx->level].str, key, value);
}
static void flat_print_str(WriterContext *wctx, const char *key, const char *value)
{
FlatContext *flat = wctx->priv;
AVBPrint buf;
printf("%s", wctx->section_pbuf[wctx->level].str);
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 const Writer flat_writer = {
.name = "flat",
.priv_size = sizeof(FlatContext),
.init = flat_init,
.print_section_header = flat_print_section_header,
.print_integer = flat_print_int,
.print_string = flat_print_str,
.flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS|WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER,
.priv_class = &flat_class,
};
/* INI format output */
typedef struct INIContext {
const AVClass *class;
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_BOOL, {.i64=1}, 0, 1 },
{"h", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1 },
{NULL},
};
DEFINE_WRITER_CLASS(ini);
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_section_header(WriterContext *wctx)
{
INIContext *ini = wctx->priv;
AVBPrint *buf = &wctx->section_pbuf[wctx->level];
const struct section *section = wctx->section[wctx->level];
const struct section *parent_section = wctx->level ?
wctx->section[wctx->level-1] : NULL;
av_bprint_clear(buf);
if (!parent_section) {
printf("# ffprobe output\n\n");
return;
}
if (wctx->nb_item[wctx->level-1])
printf("\n");
av_bprintf(buf, "%s", wctx->section_pbuf[wctx->level-1].str);
if (ini->hierarchical ||
!(section->flags & (SECTION_FLAG_IS_ARRAY|SECTION_FLAG_IS_WRAPPER))) {
av_bprintf(buf, "%s%s", buf->str[0] ? "." : "", wctx->section[wctx->level]->name);
if (parent_section->flags & SECTION_FLAG_IS_ARRAY) {
int n = parent_section->id == SECTION_ID_PACKETS_AND_FRAMES ?
wctx->nb_section_packet_frame : wctx->nb_item[wctx->level-1];
av_bprintf(buf, ".%d", n);
}
}
if (!(section->flags & (SECTION_FLAG_IS_ARRAY|SECTION_FLAG_IS_WRAPPER)))
printf("[%s]\n", buf->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 const Writer ini_writer = {
.name = "ini",
.priv_size = sizeof(INIContext),
.print_section_header = ini_print_section_header,
.print_integer = ini_print_int,
.print_string = ini_print_str,
.flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS|WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER,
.priv_class = &ini_class,
};
/* JSON output */
typedef struct JSONContext {
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_BOOL, {.i64=0}, 0, 1 },
{ "c", "enable compact output", OFFSET(compact), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
{ NULL }
};
DEFINE_WRITER_CLASS(json);
static av_cold int json_init(WriterContext *wctx)
{
JSONContext *json = wctx->priv;
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;
}
#define JSON_INDENT() printf("%*c", json->indent_level * 4, ' ')
static void json_print_section_header(WriterContext *wctx)
{
JSONContext *json = wctx->priv;
AVBPrint buf;
const struct section *section = wctx->section[wctx->level];
const struct section *parent_section = wctx->level ?
wctx->section[wctx->level-1] : NULL;
if (wctx->level && wctx->nb_item[wctx->level-1])
printf(",\n");
if (section->flags & SECTION_FLAG_IS_WRAPPER) {
printf("{\n");
json->indent_level++;
} else {
av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
json_escape_str(&buf, section->name, wctx);
JSON_INDENT();
json->indent_level++;
if (section->flags & SECTION_FLAG_IS_ARRAY) {
printf("\"%s\": [\n", buf.str);
} else if (parent_section && !(parent_section->flags & SECTION_FLAG_IS_ARRAY)) {
printf("\"%s\": {%s", buf.str, json->item_start_end);
} else {
printf("{%s", json->item_start_end);
/* this is required so the parser can distinguish between packets and frames */
if (parent_section && parent_section->id == SECTION_ID_PACKETS_AND_FRAMES) {
if (!json->compact)
JSON_INDENT();
printf("\"type\": \"%s\"", section->name);
}
}
av_bprint_finalize(&buf, NULL);
}
}
static void json_print_section_footer(WriterContext *wctx)
{
JSONContext *json = wctx->priv;
const struct section *section = wctx->section[wctx->level];
if (wctx->level == 0) {
json->indent_level--;
printf("\n}\n");
} else if (section->flags & SECTION_FLAG_IS_ARRAY) {
printf("\n");
json->indent_level--;
JSON_INDENT();
printf("]");
} else {
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;
const struct section *parent_section = wctx->level ?
wctx->section[wctx->level-1] : NULL;
if (wctx->nb_item[wctx->level] || (parent_section && parent_section->id == SECTION_ID_PACKETS_AND_FRAMES))
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;
const struct section *parent_section = wctx->level ?
wctx->section[wctx->level-1] : NULL;
AVBPrint buf;
if (wctx->nb_item[wctx->level] || (parent_section && parent_section->id == SECTION_ID_PACKETS_AND_FRAMES))
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 const Writer json_writer = {
.name = "json",
.priv_size = sizeof(JSONContext),
.init = json_init,
.print_section_header = json_print_section_header,
.print_section_footer = json_print_section_footer,
.print_integer = json_print_int,
.print_string = json_print_str,
.flags = WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER,
.priv_class = &json_class,
};
/* XML output */
typedef struct XMLContext {
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_BOOL, {.i64=0}, 0, 1 },
{"q", "specify if the output should be fully qualified", OFFSET(fully_qualified), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
{"xsd_strict", "ensure that the output is XSD compliant", OFFSET(xsd_strict), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
{"x", "ensure that the output is XSD compliant", OFFSET(xsd_strict), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
{NULL},
};
DEFINE_WRITER_CLASS(xml);
static av_cold int xml_init(WriterContext *wctx)
{
XMLContext *xml = wctx->priv;
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", "&amp;"); break;
case '<' : av_bprintf(dst, "%s", "&lt;"); break;
case '>' : av_bprintf(dst, "%s", "&gt;"); break;
case '"' : av_bprintf(dst, "%s", "&quot;"); break;
case '\'': av_bprintf(dst, "%s", "&apos;"); break;
default: av_bprint_chars(dst, *p, 1);
}
}
return dst->str;
}
#define XML_INDENT() printf("%*c", xml->indent_level * 4, ' ')
static void xml_print_section_header(WriterContext *wctx)
{
XMLContext *xml = wctx->priv;
const struct section *section = wctx->section[wctx->level];
const struct section *parent_section = wctx->level ?
wctx->section[wctx->level-1] : NULL;
if (wctx->level == 0) {
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 : "");
return;
}
if (xml->within_tag) {
xml->within_tag = 0;
printf(">\n");
}
if (section->flags & SECTION_FLAG_HAS_VARIABLE_FIELDS) {
xml->indent_level++;
} else {
if (parent_section && (parent_section->flags & SECTION_FLAG_IS_WRAPPER) &&
wctx->level && wctx->nb_item[wctx->level-1])
printf("\n");
xml->indent_level++;
if (section->flags & SECTION_FLAG_IS_ARRAY) {
XML_INDENT(); printf("<%s>\n", section->name);
} else {
XML_INDENT(); printf("<%s ", section->name);
xml->within_tag = 1;
}
}
}
static void xml_print_section_footer(WriterContext *wctx)
{
XMLContext *xml = wctx->priv;
const struct section *section = wctx->section[wctx->level];
if (wctx->level == 0) {
printf("</%sffprobe>\n", xml->fully_qualified ? "ffprobe:" : "");
} else if (xml->within_tag) {
xml->within_tag = 0;
printf("/>\n");
xml->indent_level--;
} else if (section->flags & SECTION_FLAG_HAS_VARIABLE_FIELDS) {
xml->indent_level--;
} else {
XML_INDENT(); printf("</%s>\n", section->name);
xml->indent_level--;
}
}
static void xml_print_str(WriterContext *wctx, const char *key, const char *value)
{
AVBPrint buf;
XMLContext *xml = wctx->priv;
const struct section *section = wctx->section[wctx->level];
av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
if (section->flags & SECTION_FLAG_HAS_VARIABLE_FIELDS) {
XML_INDENT();
printf("<%s key=\"%s\"",
section->element_name, xml_escape_str(&buf, key, wctx));
av_bprint_clear(&buf);
printf(" value=\"%s\"/>\n", xml_escape_str(&buf, value, wctx));
} else {
if (wctx->nb_item[wctx->level])
printf(" ");
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[wctx->level])
printf(" ");
printf("%s=\"%lld\"", key, value);
}
static Writer xml_writer = {
.name = "xml",
.priv_size = sizeof(XMLContext),
.init = xml_init,
.print_section_header = xml_print_section_header,
.print_section_footer = xml_print_section_footer,
.print_integer = xml_print_int,
.print_string = xml_print_str,
.flags = WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER,
.priv_class = &xml_class,
};
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, PRINT_STRING_OPT)
#define print_str_validate(k, v) writer_print_string(w, k, v, PRINT_STRING_VALIDATE)
#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) do { \
struct unit_value uv; \
uv.val.i = v; \
uv.unit = u; \
writer_print_string(w, k, value_string(val_str, sizeof(val_str), uv), 0); \
} while (0)
#define print_section_header(s) writer_print_section_header(w, s)
#define print_section_footer(s) writer_print_section_footer(w, s)
#define REALLOCZ_ARRAY_STREAM(ptr, cur_n, new_n) \
{ \
ret = av_reallocp_array(&(ptr), (new_n), sizeof(*(ptr))); \
if (ret < 0) \
goto end; \
memset( (ptr) + (cur_n), 0, ((new_n) - (cur_n)) * sizeof(*(ptr)) ); \
}
static inline int show_tags(WriterContext *w, AVDictionary *tags, int section_id)
{
AVDictionaryEntry *tag = NULL;
int ret = 0;
if (!tags)
return 0;
writer_print_section_header(w, section_id);
while ((tag = av_dict_get(tags, "", tag, AV_DICT_IGNORE_SUFFIX))) {
if ((ret = print_str_validate(tag->key, tag->value)) < 0)
break;
}
writer_print_section_footer(w);
return ret;
}
static void print_dynamic_hdr10_plus(WriterContext *w, const AVDynamicHDRPlus *metadata)
{
if (!metadata)
return;
print_int("application version", metadata->application_version);
print_int("num_windows", metadata->num_windows);
for (int n = 1; n < metadata->num_windows; n++) {
const AVHDRPlusColorTransformParams *params = &metadata->params[n];
print_q("window_upper_left_corner_x",
params->window_upper_left_corner_x,'/');
print_q("window_upper_left_corner_y",
params->window_upper_left_corner_y,'/');
print_q("window_lower_right_corner_x",
params->window_lower_right_corner_x,'/');
print_q("window_lower_right_corner_y",
params->window_lower_right_corner_y,'/');
print_q("window_upper_left_corner_x",
params->window_upper_left_corner_x,'/');
print_q("window_upper_left_corner_y",
params->window_upper_left_corner_y,'/');
print_int("center_of_ellipse_x",
params->center_of_ellipse_x ) ;
print_int("center_of_ellipse_y",
params->center_of_ellipse_y );
print_int("rotation_angle",
params->rotation_angle);
print_int("semimajor_axis_internal_ellipse",
params->semimajor_axis_internal_ellipse);
print_int("semimajor_axis_external_ellipse",
params->semimajor_axis_external_ellipse);
print_int("semiminor_axis_external_ellipse",
params->semiminor_axis_external_ellipse);
print_int("overlap_process_option",
params->overlap_process_option);
}
print_q("targeted_system_display_maximum_luminance",
metadata->targeted_system_display_maximum_luminance,'/');
if (metadata->targeted_system_display_actual_peak_luminance_flag) {
print_int("num_rows_targeted_system_display_actual_peak_luminance",
metadata->num_rows_targeted_system_display_actual_peak_luminance);
print_int("num_cols_targeted_system_display_actual_peak_luminance",
metadata->num_cols_targeted_system_display_actual_peak_luminance);
for (int i = 0; i < metadata->num_rows_targeted_system_display_actual_peak_luminance; i++) {
for (int j = 0; j < metadata->num_cols_targeted_system_display_actual_peak_luminance; j++) {
print_q("targeted_system_display_actual_peak_luminance",
metadata->targeted_system_display_actual_peak_luminance[i][j],'/');
}
}
}
for (int n = 0; n < metadata->num_windows; n++) {
const AVHDRPlusColorTransformParams *params = &metadata->params[n];
for (int i = 0; i < 3; i++) {
print_q("maxscl",params->maxscl[i],'/');
}
print_q("average_maxrgb",
params->average_maxrgb,'/');
print_int("num_distribution_maxrgb_percentiles",
params->num_distribution_maxrgb_percentiles);
for (int i = 0; i < params->num_distribution_maxrgb_percentiles; i++) {
print_int("distribution_maxrgb_percentage",
params->distribution_maxrgb[i].percentage);
print_q("distribution_maxrgb_percentile",
params->distribution_maxrgb[i].percentile,'/');
}
print_q("fraction_bright_pixels",
params->fraction_bright_pixels,'/');
}
if (metadata->mastering_display_actual_peak_luminance_flag) {
print_int("num_rows_mastering_display_actual_peak_luminance",
metadata->num_rows_mastering_display_actual_peak_luminance);
print_int("num_cols_mastering_display_actual_peak_luminance",
metadata->num_cols_mastering_display_actual_peak_luminance);
for (int i = 0; i < metadata->num_rows_mastering_display_actual_peak_luminance; i++) {
for (int j = 0; j < metadata->num_cols_mastering_display_actual_peak_luminance; j++) {
print_q("mastering_display_actual_peak_luminance",
metadata->mastering_display_actual_peak_luminance[i][j],'/');
}
}
}
for (int n = 0; n < metadata->num_windows; n++) {
const AVHDRPlusColorTransformParams *params = &metadata->params[n];
if (params->tone_mapping_flag) {
print_q("knee_point_x", params->knee_point_x,'/');
print_q("knee_point_y", params->knee_point_y,'/');
print_int("num_bezier_curve_anchors",
params->num_bezier_curve_anchors );
for (int i = 0; i < params->num_bezier_curve_anchors; i++) {
print_q("bezier_curve_anchors",
params->bezier_curve_anchors[i],'/');
}
}
if (params->color_saturation_mapping_flag) {
print_q("color_saturation_weight",
params->color_saturation_weight,'/');
}
}
}
static void print_pkt_side_data(WriterContext *w,
AVCodecParameters *par,
const AVPacketSideData *side_data,
int nb_side_data,
SectionID id_data_list,
SectionID id_data)
{
int i;
writer_print_section_header(w, id_data_list);
for (i = 0; i < nb_side_data; i++) {
const AVPacketSideData *sd = &side_data[i];
const char *name = av_packet_side_data_name(sd->type);
writer_print_section_header(w, id_data);
print_str("side_data_type", name ? name : "unknown");
if (sd->type == AV_PKT_DATA_DISPLAYMATRIX && sd->size >= 9*4) {
writer_print_integers(w, "displaymatrix", sd->data, 9, " %11d", 3, 4, 1);
print_int("rotation", av_display_rotation_get((int32_t *)sd->data));
} else if (sd->type == AV_PKT_DATA_STEREO3D) {
const AVStereo3D *stereo = (AVStereo3D *)sd->data;
print_str("type", av_stereo3d_type_name(stereo->type));
print_int("inverted", !!(stereo->flags & AV_STEREO3D_FLAG_INVERT));
} else if (sd->type == AV_PKT_DATA_SPHERICAL) {
const AVSphericalMapping *spherical = (AVSphericalMapping *)sd->data;
print_str("projection", av_spherical_projection_name(spherical->projection));
if (spherical->projection == AV_SPHERICAL_CUBEMAP) {
print_int("padding", spherical->padding);
} else if (spherical->projection == AV_SPHERICAL_EQUIRECTANGULAR_TILE) {
size_t l, t, r, b;
av_spherical_tile_bounds(spherical, par->width, par->height,
&l, &t, &r, &b);
print_int("bound_left", l);
print_int("bound_top", t);
print_int("bound_right", r);
print_int("bound_bottom", b);
}
print_int("yaw", (double) spherical->yaw / (1 << 16));
print_int("pitch", (double) spherical->pitch / (1 << 16));
print_int("roll", (double) spherical->roll / (1 << 16));
} else if (sd->type == AV_PKT_DATA_SKIP_SAMPLES && sd->size == 10) {
print_int("skip_samples", AV_RL32(sd->data));
print_int("discard_padding", AV_RL32(sd->data + 4));
print_int("skip_reason", AV_RL8(sd->data + 8));
print_int("discard_reason", AV_RL8(sd->data + 9));
} else if (sd->type == AV_PKT_DATA_MASTERING_DISPLAY_METADATA) {
AVMasteringDisplayMetadata *metadata = (AVMasteringDisplayMetadata *)sd->data;
if (metadata->has_primaries) {
print_q("red_x", metadata->display_primaries[0][0], '/');
print_q("red_y", metadata->display_primaries[0][1], '/');
print_q("green_x", metadata->display_primaries[1][0], '/');
print_q("green_y", metadata->display_primaries[1][1], '/');
print_q("blue_x", metadata->display_primaries[2][0], '/');
print_q("blue_y", metadata->display_primaries[2][1], '/');
print_q("white_point_x", metadata->white_point[0], '/');
print_q("white_point_y", metadata->white_point[1], '/');
}
if (metadata->has_luminance) {
print_q("min_luminance", metadata->min_luminance, '/');
print_q("max_luminance", metadata->max_luminance, '/');
}
} else if (sd->type == AV_PKT_DATA_CONTENT_LIGHT_LEVEL) {
AVContentLightMetadata *metadata = (AVContentLightMetadata *)sd->data;
print_int("max_content", metadata->MaxCLL);
print_int("max_average", metadata->MaxFALL);
} else if (sd->type == AV_PKT_DATA_DOVI_CONF) {
AVDOVIDecoderConfigurationRecord *dovi = (AVDOVIDecoderConfigurationRecord *)sd->data;
print_int("dv_version_major", dovi->dv_version_major);
print_int("dv_version_minor", dovi->dv_version_minor);
print_int("dv_profile", dovi->dv_profile);
print_int("dv_level", dovi->dv_level);
print_int("rpu_present_flag", dovi->rpu_present_flag);
print_int("el_present_flag", dovi->el_present_flag);
print_int("bl_present_flag", dovi->bl_present_flag);
print_int("dv_bl_signal_compatibility_id", dovi->dv_bl_signal_compatibility_id);
}
writer_print_section_footer(w);
}
writer_print_section_footer(w);
}
static void print_color_range(WriterContext *w, enum AVColorRange color_range)
{
const char *val = av_color_range_name(color_range);
if (!val || color_range == AVCOL_RANGE_UNSPECIFIED) {
print_str_opt("color_range", "unknown");
} else {
print_str("color_range", val);
}
}
static void print_color_space(WriterContext *w, enum AVColorSpace color_space)
{
const char *val = av_color_space_name(color_space);
if (!val || color_space == AVCOL_SPC_UNSPECIFIED) {
print_str_opt("color_space", "unknown");
} else {
print_str("color_space", val);
}
}
static void print_primaries(WriterContext *w, enum AVColorPrimaries color_primaries)
{
const char *val = av_color_primaries_name(color_primaries);
if (!val || color_primaries == AVCOL_PRI_UNSPECIFIED) {
print_str_opt("color_primaries", "unknown");
} else {
print_str("color_primaries", val);
}
}
static void print_color_trc(WriterContext *w, enum AVColorTransferCharacteristic color_trc)
{
const char *val = av_color_transfer_name(color_trc);
if (!val || color_trc == AVCOL_TRC_UNSPECIFIED) {
print_str_opt("color_transfer", "unknown");
} else {
print_str("color_transfer", val);
}
}
static void print_chroma_location(WriterContext *w, enum AVChromaLocation chroma_location)
{
const char *val = av_chroma_location_name(chroma_location);
if (!val || chroma_location == AVCHROMA_LOC_UNSPECIFIED) {
print_str_opt("chroma_location", "unspecified");
} else {
print_str("chroma_location", val);
}
}
static void clear_log(int need_lock)
{
int i;
if (need_lock)
pthread_mutex_lock(&log_mutex);
for (i=0; i<log_buffer_size; i++) {
av_freep(&log_buffer[i].context_name);
av_freep(&log_buffer[i].parent_name);
av_freep(&log_buffer[i].log_message);
}
log_buffer_size = 0;
if(need_lock)
pthread_mutex_unlock(&log_mutex);
}
static int show_log(WriterContext *w, int section_ids, int section_id, int log_level)
{
int i;
pthread_mutex_lock(&log_mutex);
if (!log_buffer_size) {
pthread_mutex_unlock(&log_mutex);
return 0;
}
writer_print_section_header(w, section_ids);
for (i=0; i<log_buffer_size; i++) {
if (log_buffer[i].log_level <= log_level) {
writer_print_section_header(w, section_id);
print_str("context", log_buffer[i].context_name);
print_int("level", log_buffer[i].log_level);
print_int("category", log_buffer[i].category);
if (log_buffer[i].parent_name) {
print_str("parent_context", log_buffer[i].parent_name);
print_int("parent_category", log_buffer[i].parent_category);
} else {
print_str_opt("parent_context", "N/A");
print_str_opt("parent_category", "N/A");
}
print_str("message", log_buffer[i].log_message);
writer_print_section_footer(w);
}
}
clear_log(0);
pthread_mutex_unlock(&log_mutex);
writer_print_section_footer(w);
return 0;
}
static void show_packet(WriterContext *w, InputFile *ifile, AVPacket *pkt, int packet_idx)
{
char val_str[128];
AVStream *st = ifile->streams[pkt->stream_index].st;
AVBPrint pbuf;
const char *s;
av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
writer_print_section_header(w, SECTION_ID_PACKET);
s = av_get_media_type_string(st->codecpar->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%c", pkt->flags & AV_PKT_FLAG_KEY ? 'K' : '_',
pkt->flags & AV_PKT_FLAG_DISCARD ? 'D' : '_');
if (pkt->side_data_elems) {
int size;
const uint8_t *side_metadata;
side_metadata = av_packet_get_side_data(pkt, AV_PKT_DATA_STRINGS_METADATA, &size);
if (side_metadata && size && do_show_packet_tags) {
AVDictionary *dict = NULL;
if (av_packet_unpack_dictionary(side_metadata, size, &dict) >= 0)
show_tags(w, dict, SECTION_ID_PACKET_TAGS);
av_dict_free(&dict);
}
print_pkt_side_data(w, st->codecpar, pkt->side_data, pkt->side_data_elems,
SECTION_ID_PACKET_SIDE_DATA_LIST,
SECTION_ID_PACKET_SIDE_DATA);
}
if (do_show_data)
writer_print_data(w, "data", pkt->data, pkt->size);
writer_print_data_hash(w, "data_hash", pkt->data, pkt->size);
writer_print_section_footer(w);
av_bprint_finalize(&pbuf, NULL);
fflush(stdout);
}
static void show_subtitle(WriterContext *w, AVSubtitle *sub, AVStream *stream,
AVFormatContext *fmt_ctx)
{
AVBPrint pbuf;
av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
writer_print_section_header(w, SECTION_ID_SUBTITLE);
print_str ("media_type", "subtitle");
print_ts ("pts", sub->pts);
print_time("pts_time", sub->pts, &AV_TIME_BASE_Q);
print_int ("format", sub->format);
print_int ("start_display_time", sub->start_display_time);
print_int ("end_display_time", sub->end_display_time);
print_int ("num_rects", sub->num_rects);
writer_print_section_footer(w);
av_bprint_finalize(&pbuf, NULL);
fflush(stdout);
}
static void show_frame(WriterContext *w, AVFrame *frame, AVStream *stream,
AVFormatContext *fmt_ctx)
{
AVBPrint pbuf;
char val_str[128];
const char *s;
int i;
av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
writer_print_section_header(w, SECTION_ID_FRAME);
s = av_get_media_type_string(stream->codecpar->codec_type);
if (s) print_str ("media_type", s);
else print_str_opt("media_type", "unknown");
print_int("stream_index", stream->index);
print_int("key_frame", frame->key_frame);
print_ts ("pkt_pts", frame->pts);
print_time("pkt_pts_time", frame->pts, &stream->time_base);
print_ts ("pkt_dts", frame->pkt_dts);
print_time("pkt_dts_time", frame->pkt_dts, &stream->time_base);
print_ts ("best_effort_timestamp", frame->best_effort_timestamp);
print_time("best_effort_timestamp_time", frame->best_effort_timestamp, &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");
if (frame->pkt_size != -1) print_val ("pkt_size", frame->pkt_size, unit_byte_str);
else print_str_opt("pkt_size", "N/A");
switch (stream->codecpar->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_color_range(w, frame->color_range);
print_color_space(w, frame->colorspace);
print_primaries(w, frame->color_primaries);
print_color_trc(w, frame->color_trc);
print_chroma_location(w, frame->chroma_location);
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", frame->channels);
if (frame->channel_layout) {
av_bprint_clear(&pbuf);
av_bprint_channel_layout(&pbuf, frame->channels,
frame->channel_layout);
print_str ("channel_layout", pbuf.str);
} else
print_str_opt("channel_layout", "unknown");
break;
}
if (do_show_frame_tags)
show_tags(w, frame->metadata, SECTION_ID_FRAME_TAGS);
if (do_show_log)
show_log(w, SECTION_ID_FRAME_LOGS, SECTION_ID_FRAME_LOG, do_show_log);
if (frame->nb_side_data) {
writer_print_section_header(w, SECTION_ID_FRAME_SIDE_DATA_LIST);
for (i = 0; i < frame->nb_side_data; i++) {
AVFrameSideData *sd = frame->side_data[i];
const char *name;
writer_print_section_header(w, SECTION_ID_FRAME_SIDE_DATA);
name = av_frame_side_data_name(sd->type);
print_str("side_data_type", name ? name : "unknown");
if (sd->type == AV_FRAME_DATA_DISPLAYMATRIX && sd->size >= 9*4) {
writer_print_integers(w, "displaymatrix", sd->data, 9, " %11d", 3, 4, 1);
print_int("rotation", av_display_rotation_get((int32_t *)sd->data));
} else if (sd->type == AV_FRAME_DATA_GOP_TIMECODE && sd->size >= 8) {
char tcbuf[AV_TIMECODE_STR_SIZE];
av_timecode_make_mpeg_tc_string(tcbuf, *(int64_t *)(sd->data));
print_str("timecode", tcbuf);
} else if (sd->type == AV_FRAME_DATA_S12M_TIMECODE && sd->size == 16) {
uint32_t *tc = (uint32_t*)sd->data;
int m = FFMIN(tc[0],3);
writer_print_section_header(w, SECTION_ID_FRAME_SIDE_DATA_TIMECODE_LIST);
for (int j = 1; j <= m ; j++) {
char tcbuf[AV_TIMECODE_STR_SIZE];
av_timecode_make_smpte_tc_string2(tcbuf, stream->avg_frame_rate, tc[j], 0, 0);
writer_print_section_header(w, SECTION_ID_FRAME_SIDE_DATA_TIMECODE);
print_str("value", tcbuf);
writer_print_section_footer(w);
}
writer_print_section_footer(w);
} else if (sd->type == AV_FRAME_DATA_MASTERING_DISPLAY_METADATA) {
AVMasteringDisplayMetadata *metadata = (AVMasteringDisplayMetadata *)sd->data;
if (metadata->has_primaries) {
print_q("red_x", metadata->display_primaries[0][0], '/');
print_q("red_y", metadata->display_primaries[0][1], '/');
print_q("green_x", metadata->display_primaries[1][0], '/');
print_q("green_y", metadata->display_primaries[1][1], '/');
print_q("blue_x", metadata->display_primaries[2][0], '/');
print_q("blue_y", metadata->display_primaries[2][1], '/');
print_q("white_point_x", metadata->white_point[0], '/');
print_q("white_point_y", metadata->white_point[1], '/');
}
if (metadata->has_luminance) {
print_q("min_luminance", metadata->min_luminance, '/');
print_q("max_luminance", metadata->max_luminance, '/');
}
} else if (sd->type == AV_FRAME_DATA_DYNAMIC_HDR_PLUS) {
AVDynamicHDRPlus *metadata = (AVDynamicHDRPlus *)sd->data;
print_dynamic_hdr10_plus(w, metadata);
} else if (sd->type == AV_FRAME_DATA_CONTENT_LIGHT_LEVEL) {
AVContentLightMetadata *metadata = (AVContentLightMetadata *)sd->data;
print_int("max_content", metadata->MaxCLL);
print_int("max_average", metadata->MaxFALL);
} else if (sd->type == AV_FRAME_DATA_ICC_PROFILE) {
AVDictionaryEntry *tag = av_dict_get(sd->metadata, "name", NULL, AV_DICT_MATCH_CASE);
if (tag)
print_str(tag->key, tag->value);
print_int("size", sd->size);
}
writer_print_section_footer(w);
}
writer_print_section_footer(w);
}
writer_print_section_footer(w);
av_bprint_finalize(&pbuf, NULL);
fflush(stdout);
}
static av_always_inline int process_frame(WriterContext *w,
InputFile *ifile,
AVFrame *frame, AVPacket *pkt,
int *packet_new)
{
AVFormatContext *fmt_ctx = ifile->fmt_ctx;
AVCodecContext *dec_ctx = ifile->streams[pkt->stream_index].dec_ctx;
AVCodecParameters *par = ifile->streams[pkt->stream_index].st->codecpar;
AVSubtitle sub;
int ret = 0, got_frame = 0;
clear_log(1);
if (dec_ctx && dec_ctx->codec) {
switch (par->codec_type) {
case AVMEDIA_TYPE_VIDEO:
case AVMEDIA_TYPE_AUDIO:
if (*packet_new) {
ret = avcodec_send_packet(dec_ctx, pkt);
if (ret == AVERROR(EAGAIN)) {
ret = 0;
} else if (ret >= 0 || ret == AVERROR_EOF) {
ret = 0;
*packet_new = 0;
}
}
if (ret >= 0) {
ret = avcodec_receive_frame(dec_ctx, frame);
if (ret >= 0) {
got_frame = 1;
} else if (ret == AVERROR(EAGAIN) || ret == AVERROR_EOF) {
ret = 0;
}
}
break;
case AVMEDIA_TYPE_SUBTITLE:
if (*packet_new)
ret = avcodec_decode_subtitle2(dec_ctx, &sub, &got_frame, pkt);
*packet_new = 0;
break;
default:
*packet_new = 0;
}
} else {
*packet_new = 0;
}
if (ret < 0)
return ret;
if (got_frame) {
int is_sub = (par->codec_type == AVMEDIA_TYPE_SUBTITLE);
nb_streams_frames[pkt->stream_index]++;
if (do_show_frames)
if (is_sub)
show_subtitle(w, &sub, ifile->streams[pkt->stream_index].st, fmt_ctx);
else
show_frame(w, frame, ifile->streams[pkt->stream_index].st, fmt_ctx);
if (is_sub)
avsubtitle_free(&sub);
}
return got_frame || *packet_new;
}
static void log_read_interval(const ReadInterval *interval, void *log_ctx, int log_level)
{
av_log(log_ctx, log_level, "id:%d", interval->id);
if (interval->has_start) {
av_log(log_ctx, log_level, " start:%s%s", interval->start_is_offset ? "+" : "",
av_ts2timestr(interval->start, &AV_TIME_BASE_Q));
} else {
av_log(log_ctx, log_level, " start:N/A");
}
if (interval->has_end) {
av_log(log_ctx, log_level, " end:%s", interval->end_is_offset ? "+" : "");
if (interval->duration_frames)
av_log(log_ctx, log_level, "#%"PRId64, interval->end);
else
av_log(log_ctx, log_level, "%s", av_ts2timestr(interval->end, &AV_TIME_BASE_Q));
} else {
av_log(log_ctx, log_level, " end:N/A");
}
av_log(log_ctx, log_level, "\n");
}
static int read_interval_packets(WriterContext *w, InputFile *ifile,
const ReadInterval *interval, int64_t *cur_ts)
{
AVFormatContext *fmt_ctx = ifile->fmt_ctx;
AVPacket pkt;
AVFrame *frame = NULL;
int ret = 0, i = 0, frame_count = 0;
int64_t start = -INT64_MAX, end = interval->end;
int has_start = 0, has_end = interval->has_end && !interval->end_is_offset;
av_init_packet(&pkt);
av_log(NULL, AV_LOG_VERBOSE, "Processing read interval ");
log_read_interval(interval, NULL, AV_LOG_VERBOSE);
if (interval->has_start) {
int64_t target;
if (interval->start_is_offset) {
if (*cur_ts == AV_NOPTS_VALUE) {
av_log(NULL, AV_LOG_ERROR,
"Could not seek to relative position since current "
"timestamp is not defined\n");
ret = AVERROR(EINVAL);
goto end;
}
target = *cur_ts + interval->start;
} else {
target = interval->start;
}
av_log(NULL, AV_LOG_VERBOSE, "Seeking to read interval start point %s\n",
av_ts2timestr(target, &AV_TIME_BASE_Q));
if ((ret = avformat_seek_file(fmt_ctx, -1, -INT64_MAX, target, INT64_MAX, 0)) < 0) {
av_log(NULL, AV_LOG_ERROR, "Could not seek to position %"PRId64": %s\n",
interval->start, av_err2str(ret));
goto end;
}
}
frame = av_frame_alloc();
if (!frame) {
ret = AVERROR(ENOMEM);