From: softworkz <ffmpegagent@gmail.com>
To: ffmpeg-devel@ffmpeg.org
Cc: Soft Works <softworkz-at-hotmail.com@ffmpeg.org>,
softworkz <softworkz@hotmail.com>,
Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
Subject: [FFmpeg-devel] [PATCH v3 1/7] fftools/textformat: Extract and generalize textformat api from ffprobe.c
Date: Sat, 01 Mar 2025 10:01:58 +0000
Message-ID: <6239813ba0e293bd427cecf8437aadef778ea3ee.1740823324.git.ffmpegagent@gmail.com> (raw)
In-Reply-To: <pull.52.v3.ffstaging.FFmpeg.1740823324.ffmpegagent@gmail.com>
From: softworkz <softworkz@hotmail.com>
Signed-off-by: softworkz <softworkz@hotmail.com>
---
fftools/textformat/avtextformat.c | 671 +++++++++++++++++++++++++++++
fftools/textformat/avtextformat.h | 171 ++++++++
fftools/textformat/avtextwriters.h | 68 +++
fftools/textformat/tf_compact.c | 282 ++++++++++++
fftools/textformat/tf_default.c | 145 +++++++
fftools/textformat/tf_flat.c | 174 ++++++++
fftools/textformat/tf_ini.c | 160 +++++++
fftools/textformat/tf_json.c | 215 +++++++++
fftools/textformat/tf_xml.c | 221 ++++++++++
fftools/textformat/tw_avio.c | 129 ++++++
fftools/textformat/tw_buffer.c | 92 ++++
fftools/textformat/tw_stdout.c | 82 ++++
12 files changed, 2410 insertions(+)
create mode 100644 fftools/textformat/avtextformat.c
create mode 100644 fftools/textformat/avtextformat.h
create mode 100644 fftools/textformat/avtextwriters.h
create mode 100644 fftools/textformat/tf_compact.c
create mode 100644 fftools/textformat/tf_default.c
create mode 100644 fftools/textformat/tf_flat.c
create mode 100644 fftools/textformat/tf_ini.c
create mode 100644 fftools/textformat/tf_json.c
create mode 100644 fftools/textformat/tf_xml.c
create mode 100644 fftools/textformat/tw_avio.c
create mode 100644 fftools/textformat/tw_buffer.c
create mode 100644 fftools/textformat/tw_stdout.c
diff --git a/fftools/textformat/avtextformat.c b/fftools/textformat/avtextformat.c
new file mode 100644
index 0000000000..1fba78b103
--- /dev/null
+++ b/fftools/textformat/avtextformat.c
@@ -0,0 +1,671 @@
+/*
+ * Copyright (c) The ffmpeg developers
+ *
+ * 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
+ */
+
+#include <limits.h>
+#include <stdarg.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "libavutil/mem.h"
+#include "libavutil/avassert.h"
+#include "libavutil/bprint.h"
+#include "libavutil/error.h"
+#include "libavutil/hash.h"
+#include "libavutil/intreadwrite.h"
+#include "libavutil/macros.h"
+#include "libavutil/opt.h"
+#include "avtextformat.h"
+
+#define SECTION_ID_NONE -1
+
+#define SHOW_OPTIONAL_FIELDS_AUTO -1
+#define SHOW_OPTIONAL_FIELDS_NEVER 0
+#define SHOW_OPTIONAL_FIELDS_ALWAYS 1
+
+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 *avtext_context_get_formatter_name(void *p)
+{
+ AVTextFormatContext *tctx = p;
+ return tctx->formatter->name;
+}
+
+#define OFFSET(x) offsetof(AVTextFormatContext, x)
+
+static const AVOption textcontext_options[] = {
+ { "string_validation", "set string validation mode",
+ OFFSET(string_validation), AV_OPT_TYPE_INT, {.i64=AV_TEXTFORMAT_STRING_VALIDATION_REPLACE}, 0, AV_TEXTFORMAT_STRING_VALIDATION_NB-1, .unit = "sv" },
+ { "sv", "set string validation mode",
+ OFFSET(string_validation), AV_OPT_TYPE_INT, {.i64=AV_TEXTFORMAT_STRING_VALIDATION_REPLACE}, 0, AV_TEXTFORMAT_STRING_VALIDATION_NB-1, .unit = "sv" },
+ { "ignore", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = AV_TEXTFORMAT_STRING_VALIDATION_IGNORE}, .unit = "sv" },
+ { "replace", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = AV_TEXTFORMAT_STRING_VALIDATION_REPLACE}, .unit = "sv" },
+ { "fail", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = AV_TEXTFORMAT_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 *trextcontext_child_next(void *obj, void *prev)
+{
+ AVTextFormatContext *ctx = obj;
+ if (!prev && ctx->formatter && ctx->formatter->priv_class && ctx->priv)
+ return ctx->priv;
+ return NULL;
+}
+
+static const AVClass textcontext_class = {
+ .class_name = "AVTextContext",
+ .item_name = avtext_context_get_formatter_name,
+ .option = textcontext_options,
+ .version = LIBAVUTIL_VERSION_INT,
+ .child_next = trextcontext_child_next,
+};
+
+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]);
+}
+
+int avtext_context_close(AVTextFormatContext **ptctx)
+{
+ AVTextFormatContext *tctx = *ptctx;
+ int i;
+ int ret = 0;
+
+ if (!tctx)
+ return -1;
+
+ av_hash_freep(&tctx->hash);
+
+ av_hash_freep(&tctx->hash);
+
+ if (tctx->formatter->uninit)
+ tctx->formatter->uninit(tctx);
+ for (i = 0; i < SECTION_MAX_NB_LEVELS; i++)
+ av_bprint_finalize(&tctx->section_pbuf[i], NULL);
+ if (tctx->formatter->priv_class)
+ av_opt_free(tctx->priv);
+ av_freep(&tctx->priv);
+ av_opt_free(tctx);
+ av_freep(ptctx);
+ return ret;
+}
+
+
+int avtext_context_open(AVTextFormatContext **ptctx, const AVTextFormatter *formatter, AVTextWriterContext *writer_context, const char *args,
+ const struct AVTextFormatSection *sections, int nb_sections,
+ int show_value_unit,
+ int use_value_prefix,
+ int use_byte_value_binary_prefix,
+ int use_value_sexagesimal_format,
+ int show_optional_fields,
+ char *show_data_hash)
+{
+ AVTextFormatContext *tctx;
+ int i, ret = 0;
+
+ if (!(tctx = av_mallocz(sizeof(AVTextFormatContext)))) {
+ ret = AVERROR(ENOMEM);
+ goto fail;
+ }
+
+ if (!(tctx->priv = av_mallocz(formatter->priv_size))) {
+ ret = AVERROR(ENOMEM);
+ goto fail;
+ }
+
+ tctx->show_value_unit = show_value_unit;
+ tctx->use_value_prefix = use_value_prefix;
+ tctx->use_byte_value_binary_prefix = use_byte_value_binary_prefix;
+ tctx->use_value_sexagesimal_format = use_value_sexagesimal_format;
+ tctx->show_optional_fields = show_optional_fields;
+
+ if (nb_sections > SECTION_MAX_NB_SECTIONS) {
+ av_log(tctx, AV_LOG_ERROR, "The number of section definitions (%d) is larger than the maximum allowed (%d)\n", nb_sections, SECTION_MAX_NB_SECTIONS);
+ goto fail;
+ }
+
+ tctx->class = &textcontext_class;
+ tctx->formatter = formatter;
+ tctx->level = -1;
+ tctx->sections = sections;
+ tctx->nb_sections = nb_sections;
+ tctx->writer = writer_context;
+
+ av_opt_set_defaults(tctx);
+
+ if (formatter->priv_class) {
+ void *priv_ctx = tctx->priv;
+ *(const AVClass **)priv_ctx = formatter->priv_class;
+ av_opt_set_defaults(priv_ctx);
+ }
+
+ /* convert options to dictionary */
+ if (args) {
+ AVDictionary *opts = NULL;
+ const AVDictionaryEntry *opt = NULL;
+
+ if ((ret = av_dict_parse_string(&opts, args, "=", ":", 0)) < 0) {
+ av_log(tctx, AV_LOG_ERROR, "Failed to parse option string '%s' provided to textformat context\n", args);
+ av_dict_free(&opts);
+ goto fail;
+ }
+
+ while ((opt = av_dict_iterate(opts, opt))) {
+ if ((ret = av_opt_set(tctx, opt->key, opt->value, AV_OPT_SEARCH_CHILDREN)) < 0) {
+ av_log(tctx, AV_LOG_ERROR, "Failed to set option '%s' with value '%s' provided to textformat context\n",
+ opt->key, opt->value);
+ av_dict_free(&opts);
+ goto fail;
+ }
+ }
+
+ av_dict_free(&opts);
+ }
+
+ if (show_data_hash) {
+ if ((ret = av_hash_alloc(&tctx->hash, show_data_hash)) < 0) {
+ if (ret == AVERROR(EINVAL)) {
+ const char *n;
+ av_log(NULL, AV_LOG_ERROR, "Unknown hash algorithm '%s'\nKnown algorithms:", show_data_hash);
+ for (i = 0; (n = av_hash_names(i)); i++)
+ av_log(NULL, AV_LOG_ERROR, " %s", n);
+ av_log(NULL, AV_LOG_ERROR, "\n");
+ }
+ return ret;
+ }
+ }
+
+ /* validate replace string */
+ {
+ const uint8_t *p = tctx->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, tctx->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(tctx, AV_LOG_ERROR,
+ "Invalid UTF8 sequence %s found in string validation replace '%s'\n",
+ bp.str, tctx->string_validation_replacement);
+ return ret;
+ }
+ }
+ }
+
+ for (i = 0; i < SECTION_MAX_NB_LEVELS; i++)
+ av_bprint_init(&tctx->section_pbuf[i], 1, AV_BPRINT_SIZE_UNLIMITED);
+
+ if (tctx->formatter->init)
+ ret = tctx->formatter->init(tctx);
+ if (ret < 0)
+ goto fail;
+
+ *ptctx = tctx;
+
+ return 0;
+
+fail:
+ avtext_context_close(&tctx);
+ return ret;
+}
+
+/* Temporary definitions during refactoring */
+static const char unit_second_str[] = "s" ;
+static const char unit_hertz_str[] = "Hz" ;
+static const char unit_byte_str[] = "byte" ;
+static const char unit_bit_per_second_str[] = "bit/s";
+
+
+void avtext_print_section_header(AVTextFormatContext *tctx,
+ const void *data,
+ int section_id)
+{
+ tctx->level++;
+ av_assert0(tctx->level < SECTION_MAX_NB_LEVELS);
+
+ tctx->nb_item[tctx->level] = 0;
+ memset(tctx->nb_item_type[tctx->level], 0, sizeof(tctx->nb_item_type[tctx->level]));
+ tctx->section[tctx->level] = &tctx->sections[section_id];
+
+ if (tctx->formatter->print_section_header)
+ tctx->formatter->print_section_header(tctx, data);
+}
+
+void avtext_print_section_footer(AVTextFormatContext *tctx)
+{
+ int section_id = tctx->section[tctx->level]->id;
+ int parent_section_id = tctx->level ?
+ tctx->section[tctx->level-1]->id : SECTION_ID_NONE;
+
+ if (parent_section_id != SECTION_ID_NONE) {
+ tctx->nb_item[tctx->level - 1]++;
+ tctx->nb_item_type[tctx->level - 1][section_id]++;
+ }
+
+ if (tctx->formatter->print_section_footer)
+ tctx->formatter->print_section_footer(tctx);
+ tctx->level--;
+}
+
+void avtext_print_integer(AVTextFormatContext *tctx,
+ const char *key, int64_t val)
+{
+ const struct AVTextFormatSection *section = tctx->section[tctx->level];
+
+ if (section->show_all_entries || av_dict_get(section->entries_to_show, key, NULL, 0)) {
+ tctx->formatter->print_integer(tctx, key, val);
+ tctx->nb_item[tctx->level]++;
+ }
+}
+
+static inline int validate_string(AVTextFormatContext *tctx, 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 = src; *p;) {
+ uint32_t code;
+ int invalid = 0;
+ const uint8_t *p0 = p;
+
+ if (av_utf8_decode(&code, &p, endp, tctx->string_validation_utf8_flags) < 0) {
+ AVBPrint bp;
+ av_bprint_init(&bp, 0, AV_BPRINT_SIZE_AUTOMATIC);
+ bprint_bytes(&bp, p0, p-p0);
+ av_log(tctx, AV_LOG_DEBUG,
+ "Invalid UTF-8 sequence %s found in string '%s'\n", bp.str, src);
+ invalid = 1;
+ }
+
+ if (invalid) {
+ invalid_chars_nb++;
+
+ switch (tctx->string_validation) {
+ case AV_TEXTFORMAT_STRING_VALIDATION_FAIL:
+ av_log(tctx, AV_LOG_ERROR,
+ "Invalid UTF-8 sequence found in string '%s'\n", src);
+ ret = AVERROR_INVALIDDATA;
+ goto end;
+ break;
+
+ case AV_TEXTFORMAT_STRING_VALIDATION_REPLACE:
+ av_bprintf(&dstbuf, "%s", tctx->string_validation_replacement);
+ break;
+ }
+ }
+
+ if (!invalid || tctx->string_validation == AV_TEXTFORMAT_STRING_VALIDATION_IGNORE)
+ av_bprint_append_data(&dstbuf, p0, p-p0);
+ }
+
+ if (invalid_chars_nb && tctx->string_validation == AV_TEXTFORMAT_STRING_VALIDATION_REPLACE) {
+ av_log(tctx, AV_LOG_WARNING,
+ "%d invalid UTF-8 sequence(s) found in string '%s', replaced with '%s'\n",
+ invalid_chars_nb, src, tctx->string_validation_replacement);
+ }
+
+end:
+ av_bprint_finalize(&dstbuf, dstp);
+ return ret;
+}
+
+struct unit_value {
+ union { double d; int64_t i; } val;
+ const char *unit;
+};
+
+static char *value_string(AVTextFormatContext *tctx, char *buf, int buf_size, struct unit_value uv)
+{
+ double vald;
+ int64_t 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 && tctx->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 (tctx->use_value_prefix && vald > 1) {
+ int64_t index;
+
+ if (uv.unit == unit_byte_str && tctx->use_byte_value_binary_prefix) {
+ index = (int64_t) (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 = (int64_t) (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 || (tctx->use_value_prefix && vald != (int64_t)vald))
+ snprintf(buf, buf_size, "%f", vald);
+ else
+ snprintf(buf, buf_size, "%"PRId64, vali);
+ av_strlcatf(buf, buf_size, "%s%s%s", *prefix_string || tctx->show_value_unit ? " " : "",
+ prefix_string, tctx->show_value_unit ? uv.unit : "");
+ }
+
+ return buf;
+}
+
+
+void avtext_print_unit_int(AVTextFormatContext *tctx, const char *key, int value, const char *unit)
+{
+ char val_str[128];
+ struct unit_value uv;
+ uv.val.i = value;
+ uv.unit = unit;
+ avtext_print_string(tctx, key, value_string(tctx, val_str, sizeof(val_str), uv), 0);
+}
+
+
+int avtext_print_string(AVTextFormatContext *tctx, const char *key, const char *val, int flags)
+{
+ const struct AVTextFormatSection *section = tctx->section[tctx->level];
+ int ret = 0;
+
+ if (tctx->show_optional_fields == SHOW_OPTIONAL_FIELDS_NEVER ||
+ (tctx->show_optional_fields == SHOW_OPTIONAL_FIELDS_AUTO
+ && (flags & AV_TEXTFORMAT_PRINT_STRING_OPTIONAL)
+ && !(tctx->formatter->flags & AV_TEXTFORMAT_FLAG_SUPPORTS_OPTIONAL_FIELDS)))
+ return 0;
+
+ if (section->show_all_entries || av_dict_get(section->entries_to_show, key, NULL, 0)) {
+ if (flags & AV_TEXTFORMAT_PRINT_STRING_VALIDATE) {
+ char *key1 = NULL, *val1 = NULL;
+ ret = validate_string(tctx, &key1, key);
+ if (ret < 0) goto end;
+ ret = validate_string(tctx, &val1, val);
+ if (ret < 0) goto end;
+ tctx->formatter->print_string(tctx, key1, val1);
+ end:
+ if (ret < 0) {
+ av_log(tctx, 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 {
+ tctx->formatter->print_string(tctx, key, val);
+ }
+
+ tctx->nb_item[tctx->level]++;
+ }
+
+ return ret;
+}
+
+void avtext_print_rational(AVTextFormatContext *tctx,
+ 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);
+ avtext_print_string(tctx, key, buf.str, 0);
+}
+
+void avtext_print_time(AVTextFormatContext *tctx, 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)) {
+ avtext_print_string(tctx, key, "N/A", AV_TEXTFORMAT_PRINT_STRING_OPTIONAL);
+ } else {
+ double d = ts * av_q2d(*time_base);
+ struct unit_value uv;
+ uv.val.d = d;
+ uv.unit = unit_second_str;
+ value_string(tctx, buf, sizeof(buf), uv);
+ avtext_print_string(tctx, key, buf, 0);
+ }
+}
+
+void avtext_print_ts(AVTextFormatContext *tctx, const char *key, int64_t ts, int is_duration)
+{
+ if ((!is_duration && ts == AV_NOPTS_VALUE) || (is_duration && ts == 0)) {
+ avtext_print_string(tctx, key, "N/A", AV_TEXTFORMAT_PRINT_STRING_OPTIONAL);
+ } else {
+ avtext_print_integer(tctx, key, ts);
+ }
+}
+
+void avtext_print_data(AVTextFormatContext *tctx, const char *name,
+ const 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;
+ }
+ avtext_print_string(tctx, name, bp.str, 0);
+ av_bprint_finalize(&bp, NULL);
+}
+
+void avtext_print_data_hash(AVTextFormatContext *tctx, const char *name,
+ const uint8_t *data, int size)
+{
+ char *p, buf[AV_HASH_MAX_SIZE * 2 + 64] = { 0 };
+
+ if (!tctx->hash)
+ return;
+ av_hash_init(tctx->hash);
+ av_hash_update(tctx->hash, data, size);
+ snprintf(buf, sizeof(buf), "%s:", av_hash_get_name(tctx->hash));
+ p = buf + strlen(buf);
+ av_hash_final_hex(tctx->hash, p, buf + sizeof(buf) - p);
+ avtext_print_string(tctx, name, buf, 0);
+}
+
+void avtext_print_integers(AVTextFormatContext *tctx, 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;
+ }
+ avtext_print_string(tctx, name, bp.str, 0);
+ av_bprint_finalize(&bp, NULL);
+}
+
+static const char *avtextwriter_context_get_writer_name(void *p)
+{
+ AVTextWriterContext *wctx = p;
+ return wctx->writer->name;
+}
+
+static void *writercontext_child_next(void *obj, void *prev)
+{
+ AVTextFormatContext *ctx = obj;
+ if (!prev && ctx->formatter && ctx->formatter->priv_class && ctx->priv)
+ return ctx->priv;
+ return NULL;
+}
+
+static const AVClass textwriter_class = {
+ .class_name = "AVTextWriterContext",
+ .item_name = avtextwriter_context_get_writer_name,
+ .version = LIBAVUTIL_VERSION_INT,
+ .child_next = writercontext_child_next,
+};
+
+
+int avtextwriter_context_close(AVTextWriterContext **pwctx)
+{
+ AVTextWriterContext *wctx = *pwctx;
+ int ret = 0;
+
+ if (!wctx)
+ return -1;
+
+ if (wctx->writer->uninit)
+ wctx->writer->uninit(wctx);
+ if (wctx->writer->priv_class)
+ av_opt_free(wctx->priv);
+ av_freep(&wctx->priv);
+ av_freep(pwctx);
+ return ret;
+}
+
+
+int avtextwriter_context_open(AVTextWriterContext **pwctx, const AVTextWriter *writer)
+{
+ AVTextWriterContext *wctx;
+ int ret = 0;
+
+ if (!(wctx = av_mallocz(sizeof(AVTextWriterContext)))) {
+ ret = AVERROR(ENOMEM);
+ goto fail;
+ }
+
+ if (!(wctx->priv = av_mallocz(writer->priv_size))) {
+ ret = AVERROR(ENOMEM);
+ goto fail;
+ }
+
+ if (writer->priv_class) {
+ void *priv_ctx = wctx->priv;
+ *(const AVClass **)priv_ctx = writer->priv_class;
+ av_opt_set_defaults(priv_ctx);
+ }
+
+ wctx->class = &textwriter_class;
+ wctx->writer = writer;
+
+ av_opt_set_defaults(wctx);
+
+
+ if (wctx->writer->init)
+ ret = wctx->writer->init(wctx);
+ if (ret < 0)
+ goto fail;
+
+ *pwctx = wctx;
+
+ return 0;
+
+fail:
+ avtextwriter_context_close(&wctx);
+ return ret;
+}
+
+static const AVTextFormatter *registered_formatters[7+1];
+static void formatters_register_all(void)
+{
+ static int initialized;
+
+ if (initialized)
+ return;
+ initialized = 1;
+
+ registered_formatters[0] = &avtextformatter_default;
+ registered_formatters[1] = &avtextformatter_compact;
+ registered_formatters[2] = &avtextformatter_csv;
+ registered_formatters[3] = &avtextformatter_flat;
+ registered_formatters[4] = &avtextformatter_ini;
+ registered_formatters[5] = &avtextformatter_json;
+ registered_formatters[6] = &avtextformatter_xml;
+}
+
+const AVTextFormatter *avtext_get_formatter_by_name(const char *name)
+{
+ formatters_register_all();
+
+ for (int i = 0; registered_formatters[i]; i++)
+ if (!strcmp(registered_formatters[i]->name, name))
+ return registered_formatters[i];
+
+ return NULL;
+}
diff --git a/fftools/textformat/avtextformat.h b/fftools/textformat/avtextformat.h
new file mode 100644
index 0000000000..b7b6e0eea0
--- /dev/null
+++ b/fftools/textformat/avtextformat.h
@@ -0,0 +1,171 @@
+/*
+ * Copyright (c) The ffmpeg developers
+ *
+ * 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
+ */
+
+#ifndef FFTOOLS_TEXTFORMAT_AVTEXTFORMAT_H
+#define FFTOOLS_TEXTFORMAT_AVTEXTFORMAT_H
+
+#include <stddef.h>
+#include <stdint.h>
+#include "libavutil/attributes.h"
+#include "libavutil/dict.h"
+#include "libavformat/avio.h"
+#include "libavutil/bprint.h"
+#include "libavutil/rational.h"
+#include "libavutil/hash.h"
+#include "avtextwriters.h"
+
+#define SECTION_MAX_NB_CHILDREN 11
+
+
+struct AVTextFormatSection {
+ int id; ///< unique id identifying a section
+ const char *name;
+
+#define AV_TEXTFORMAT_SECTION_FLAG_IS_WRAPPER 1 ///< the section only contains other sections, but has no data at its own level
+#define AV_TEXTFORMAT_SECTION_FLAG_IS_ARRAY 2 ///< the section contains an array of elements of the same type
+#define AV_TEXTFORMAT_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.
+#define AV_TEXTFORMAT_SECTION_FLAG_HAS_TYPE 8 ///< the section contains a type to distinguish multiple nested elements
+#define AV_TEXTFORMAT_SECTION_FLAG_NUMBERING_BY_TYPE 16 ///< the items in this array section should be numbered individually by type
+
+ int flags;
+ const 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;
+ const char *(* get_type)(const void *data); ///< function returning a type if defined, must be defined when SECTION_FLAG_HAS_TYPE is defined
+ int show_all_entries;
+} AVTextFormatSection;
+
+typedef struct AVTextFormatContext AVTextFormatContext;
+
+#define AV_TEXTFORMAT_FLAG_SUPPORTS_OPTIONAL_FIELDS 1
+#define AV_TEXTFORMAT_FLAG_SUPPORTS_MIXED_ARRAY_CONTENT 2
+
+typedef enum {
+ AV_TEXTFORMAT_STRING_VALIDATION_FAIL,
+ AV_TEXTFORMAT_STRING_VALIDATION_REPLACE,
+ AV_TEXTFORMAT_STRING_VALIDATION_IGNORE,
+ AV_TEXTFORMAT_STRING_VALIDATION_NB
+} StringValidation;
+
+typedef struct AVTextFormatter {
+ const AVClass *priv_class; ///< private class of the formatter, if any
+ int priv_size; ///< private size for the formatter context
+ const char *name;
+
+ int (*init) (AVTextFormatContext *tctx);
+ void (*uninit)(AVTextFormatContext *tctx);
+
+ void (*print_section_header)(AVTextFormatContext *tctx, const void *data);
+ void (*print_section_footer)(AVTextFormatContext *tctx);
+ void (*print_integer) (AVTextFormatContext *tctx, const char *, int64_t);
+ void (*print_rational) (AVTextFormatContext *tctx, AVRational *q, char *sep);
+ void (*print_string) (AVTextFormatContext *tctx, const char *, const char *);
+ int flags; ///< a combination or AV_TEXTFORMAT__FLAG_*
+} AVTextFormatter;
+
+#define SECTION_MAX_NB_LEVELS 12
+#define SECTION_MAX_NB_SECTIONS 100
+
+struct AVTextFormatContext {
+ const AVClass *class; ///< class of the formatter
+ const AVTextFormatter *formatter; ///< the AVTextFormatter of which this is an instance
+ AVTextWriterContext *writer; ///< the AVTextWriterContext
+
+ char *name; ///< name of this formatter instance
+ void *priv; ///< private data for use by the filter
+
+ const struct AVTextFormatSection *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];
+ unsigned int nb_item_type[SECTION_MAX_NB_LEVELS][SECTION_MAX_NB_SECTIONS];
+
+ /** section per each level */
+ const struct AVTextFormatSection *section[SECTION_MAX_NB_LEVELS];
+ AVBPrint section_pbuf[SECTION_MAX_NB_LEVELS]; ///< generic print buffer dedicated to each section,
+ /// used by various formatters
+
+ int show_optional_fields;
+ int show_value_unit;
+ int use_value_prefix;
+ int use_byte_value_binary_prefix;
+ int use_value_sexagesimal_format;
+
+ struct AVHashContext *hash;
+
+ int string_validation;
+ char *string_validation_replacement;
+ unsigned int string_validation_utf8_flags;
+};
+
+#define AV_TEXTFORMAT_PRINT_STRING_OPTIONAL 1
+#define AV_TEXTFORMAT_PRINT_STRING_VALIDATE 2
+
+int avtext_context_open(AVTextFormatContext **ptctx, const AVTextFormatter *formatter, AVTextWriterContext *writer, const char *args,
+ const struct AVTextFormatSection *sections, int nb_sections,
+ int show_value_unit,
+ int use_value_prefix,
+ int use_byte_value_binary_prefix,
+ int use_value_sexagesimal_format,
+ int show_optional_fields,
+ char *show_data_hash);
+
+int avtext_context_close(AVTextFormatContext **tctx);
+
+
+void avtext_print_section_header(AVTextFormatContext *tctx, const void *data, int section_id);
+
+void avtext_print_section_footer(AVTextFormatContext *tctx);
+
+void avtext_print_integer(AVTextFormatContext *tctx, const char *key, int64_t val);
+
+int avtext_print_string(AVTextFormatContext *tctx, const char *key, const char *val, int flags);
+
+void avtext_print_unit_int(AVTextFormatContext *tctx, const char *key, int value, const char *unit);
+
+void avtext_print_rational(AVTextFormatContext *tctx, const char *key, AVRational q, char sep);
+
+void avtext_print_time(AVTextFormatContext *tctx, const char *key, int64_t ts, const AVRational *time_base, int is_duration);
+
+void avtext_print_ts(AVTextFormatContext *tctx, const char *key, int64_t ts, int is_duration);
+
+void avtext_print_data(AVTextFormatContext *tctx, const char *name, const uint8_t *data, int size);
+
+void avtext_print_data_hash(AVTextFormatContext *tctx, const char *name, const uint8_t *data, int size);
+
+void avtext_print_integers(AVTextFormatContext *tctx, const char *name, uint8_t *data, int size,
+ const char *format, int columns, int bytes, int offset_add);
+
+const AVTextFormatter *avtext_get_formatter_by_name(const char *name);
+
+extern const AVTextFormatter avtextformatter_default;
+extern const AVTextFormatter avtextformatter_compact;
+extern const AVTextFormatter avtextformatter_csv;
+extern const AVTextFormatter avtextformatter_flat;
+extern const AVTextFormatter avtextformatter_ini;
+extern const AVTextFormatter avtextformatter_json;
+extern const AVTextFormatter avtextformatter_xml;
+
+#endif /* FFTOOLS_TEXTFORMAT_AVTEXTFORMAT_H */
diff --git a/fftools/textformat/avtextwriters.h b/fftools/textformat/avtextwriters.h
new file mode 100644
index 0000000000..b344881d05
--- /dev/null
+++ b/fftools/textformat/avtextwriters.h
@@ -0,0 +1,68 @@
+/*
+ * Copyright (c) The ffmpeg developers
+ *
+ * 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
+ */
+
+#ifndef FFTOOLS_TEXTFORMAT_AVTEXTWRITERS_H
+#define FFTOOLS_TEXTFORMAT_AVTEXTWRITERS_H
+
+#include <stddef.h>
+#include <stdint.h>
+#include "libavutil/attributes.h"
+#include "libavutil/dict.h"
+#include "libavformat/avio.h"
+#include "libavutil/bprint.h"
+#include "libavutil/rational.h"
+#include "libavutil/hash.h"
+
+typedef struct AVTextWriterContext AVTextWriterContext;
+
+typedef struct AVTextWriter {
+ const AVClass *priv_class; ///< private class of the writer, if any
+ int priv_size; ///< private size for the writer private class
+ const char *name;
+
+ int (* init)(AVTextWriterContext *wctx);
+ void (* uninit)(AVTextWriterContext *wctx);
+ void (* writer_w8)(AVTextWriterContext *wctx, int b);
+ void (* writer_put_str)(AVTextWriterContext *wctx, const char *str);
+ void (* writer_printf)(AVTextWriterContext *wctx, const char *fmt, ...);
+} AVTextWriter;
+
+typedef struct AVTextWriterContext {
+ const AVClass *class; ///< class of the writer
+ const AVTextWriter *writer;
+ const char *name;
+ void *priv; ///< private data for use by the writer
+
+} AVTextWriterContext;
+
+
+int avtextwriter_context_open(AVTextWriterContext **pwctx, const AVTextWriter *writer);
+
+int avtextwriter_context_close(AVTextWriterContext **pwctx);
+
+int avtextwriter_create_stdout(AVTextWriterContext **pwctx);
+
+int avtextwriter_create_avio(AVTextWriterContext **pwctx, AVIOContext *avio_ctx, int close_on_uninit);
+
+int avtextwriter_create_file(AVTextWriterContext **pwctx, const char *output_filename, int close_on_uninit);
+
+int avtextwriter_create_buffer(AVTextWriterContext **pwctx, AVBPrint *buffer);
+
+#endif /* FFTOOLS_TEXTFORMAT_AVTEXTWRITERS_H */
diff --git a/fftools/textformat/tf_compact.c b/fftools/textformat/tf_compact.c
new file mode 100644
index 0000000000..ad07ca4bd0
--- /dev/null
+++ b/fftools/textformat/tf_compact.c
@@ -0,0 +1,282 @@
+/*
+ * Copyright (c) The ffmpeg developers
+ *
+ * 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
+ */
+
+#include <limits.h>
+#include <stdarg.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "avtextformat.h"
+#include <libavutil/mem.h>
+#include <libavutil/avassert.h>
+#include <libavutil/bprint.h>
+#include <libavutil/error.h>
+#include <libavutil/macros.h>
+#include <libavutil/opt.h>
+
+
+#define writer_w8(wctx_, b_) (wctx_)->writer->writer->writer_w8((wctx_)->writer, b_)
+#define writer_put_str(wctx_, str_) (wctx_)->writer->writer->writer_put_str((wctx_)->writer, str_)
+#define writer_printf(wctx_, fmt_, ...) (wctx_)->writer->writer->writer_printf((wctx_)->writer, fmt_, __VA_ARGS__)
+
+
+#define DEFINE_FORMATTER_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 \
+}
+
+
+/* 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_FORMATTER_CLASS(compact);
+
+static av_cold int compact_init(AVTextFormatContext *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(AVTextFormatContext *wctx, const void *data)
+{
+ CompactContext *compact = wctx->priv;
+ const struct AVTextFormatSection *section = wctx->section[wctx->level];
+ const struct AVTextFormatSection *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 (parent_section &&
+ (section->flags & AV_TEXTFORMAT_SECTION_FLAG_HAS_TYPE ||
+ (!(section->flags & AV_TEXTFORMAT_SECTION_FLAG_IS_ARRAY) &&
+ !(parent_section->flags & (AV_TEXTFORMAT_SECTION_FLAG_IS_WRAPPER|AV_TEXTFORMAT_SECTION_FLAG_IS_ARRAY))))) {
+
+ /* define a prefix for elements not contained in an array or
+ in a wrapper, or for array elements with a type */
+ const char *element_name = (char *)av_x_if_null(section->element_name, section->name);
+ AVBPrint *section_pbuf = &wctx->section_pbuf[wctx->level];
+
+ compact->nested_section[wctx->level] = 1;
+ compact->has_nested_elems[wctx->level-1] = 1;
+
+ av_bprintf(section_pbuf, "%s%s",
+ wctx->section_pbuf[wctx->level-1].str, element_name);
+
+ if (section->flags & AV_TEXTFORMAT_SECTION_FLAG_HAS_TYPE) {
+ // add /TYPE to prefix
+ av_bprint_chars(section_pbuf, '/', 1);
+
+ // normalize section type, replace special characters and lower case
+ for (const char *p = section->get_type(data); *p; p++) {
+ char c =
+ (*p >= '0' && *p <= '9') ||
+ (*p >= 'a' && *p <= 'z') ||
+ (*p >= 'A' && *p <= 'Z') ? av_tolower(*p) : '_';
+ av_bprint_chars(section_pbuf, c, 1);
+ }
+ }
+ av_bprint_chars(section_pbuf, ':', 1);
+
+ wctx->nb_item[wctx->level] = wctx->nb_item[wctx->level-1];
+ } else {
+ if (parent_section && !(parent_section->flags & (AV_TEXTFORMAT_SECTION_FLAG_IS_WRAPPER|AV_TEXTFORMAT_SECTION_FLAG_IS_ARRAY)) &&
+ wctx->level && wctx->nb_item[wctx->level-1])
+ writer_w8(wctx, compact->item_sep);
+ if (compact->print_section &&
+ !(section->flags & (AV_TEXTFORMAT_SECTION_FLAG_IS_WRAPPER|AV_TEXTFORMAT_SECTION_FLAG_IS_ARRAY)))
+ writer_printf(wctx, "%s%c", section->name, compact->item_sep);
+ }
+}
+
+static void compact_print_section_footer(AVTextFormatContext *wctx)
+{
+ CompactContext *compact = wctx->priv;
+
+ if (!compact->nested_section[wctx->level] &&
+ compact->terminate_line[wctx->level] &&
+ !(wctx->section[wctx->level]->flags & (AV_TEXTFORMAT_SECTION_FLAG_IS_WRAPPER|AV_TEXTFORMAT_SECTION_FLAG_IS_ARRAY)))
+ writer_w8(wctx, '\n');
+}
+
+static void compact_print_str(AVTextFormatContext *wctx, const char *key, const char *value)
+{
+ CompactContext *compact = wctx->priv;
+ AVBPrint buf;
+
+ if (wctx->nb_item[wctx->level]) writer_w8(wctx, compact->item_sep);
+ if (!compact->nokey)
+ writer_printf(wctx, "%s%s=", wctx->section_pbuf[wctx->level].str, key);
+ av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
+ writer_put_str(wctx, compact->escape_str(&buf, value, compact->item_sep, wctx));
+ av_bprint_finalize(&buf, NULL);
+}
+
+static void compact_print_int(AVTextFormatContext *wctx, const char *key, int64_t value)
+{
+ CompactContext *compact = wctx->priv;
+
+ if (wctx->nb_item[wctx->level]) writer_w8(wctx, compact->item_sep);
+ if (!compact->nokey)
+ writer_printf(wctx, "%s%s=", wctx->section_pbuf[wctx->level].str, key);
+ writer_printf(wctx, "%"PRId64, value);
+}
+
+const AVTextFormatter avtextformatter_compact = {
+ .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 = AV_TEXTFORMAT_FLAG_SUPPORTS_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_FORMATTER_CLASS(csv);
+
+const AVTextFormatter avtextformatter_csv = {
+ .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 = AV_TEXTFORMAT_FLAG_SUPPORTS_OPTIONAL_FIELDS,
+ .priv_class = &csv_class,
+};
diff --git a/fftools/textformat/tf_default.c b/fftools/textformat/tf_default.c
new file mode 100644
index 0000000000..9625dd813b
--- /dev/null
+++ b/fftools/textformat/tf_default.c
@@ -0,0 +1,145 @@
+/*
+ * Copyright (c) The ffmpeg developers
+ *
+ * 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
+ */
+
+#include <limits.h>
+#include <stdarg.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "avtextformat.h"
+#include <libavutil/mem.h>
+#include <libavutil/avassert.h>
+#include <libavutil/bprint.h>
+#include <libavutil/opt.h>
+
+#define writer_w8(wctx_, b_) (wctx_)->writer->writer->writer_w8((wctx_)->writer, b_)
+#define writer_put_str(wctx_, str_) (wctx_)->writer->writer->writer_put_str((wctx_)->writer, str_)
+#define writer_printf(wctx_, fmt_, ...) (wctx_)->writer->writer->writer_printf((wctx_)->writer, fmt_, __VA_ARGS__)
+
+#define DEFINE_FORMATTER_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_FORMATTER_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(AVTextFormatContext *wctx, const void *data)
+{
+ DefaultContext *def = wctx->priv;
+ char buf[32];
+ const struct AVTextFormatSection *section = wctx->section[wctx->level];
+ const struct AVTextFormatSection *parent_section = wctx->level ?
+ wctx->section[wctx->level-1] : NULL;
+
+ av_bprint_clear(&wctx->section_pbuf[wctx->level]);
+ if (parent_section &&
+ !(parent_section->flags & (AV_TEXTFORMAT_SECTION_FLAG_IS_WRAPPER|AV_TEXTFORMAT_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 & (AV_TEXTFORMAT_SECTION_FLAG_IS_WRAPPER|AV_TEXTFORMAT_SECTION_FLAG_IS_ARRAY)))
+ writer_printf(wctx, "[%s]\n", upcase_string(buf, sizeof(buf), section->name));
+}
+
+static void default_print_section_footer(AVTextFormatContext *wctx)
+{
+ DefaultContext *def = wctx->priv;
+ const struct AVTextFormatSection *section = wctx->section[wctx->level];
+ char buf[32];
+
+ if (def->noprint_wrappers || def->nested_section[wctx->level])
+ return;
+
+ if (!(section->flags & (AV_TEXTFORMAT_SECTION_FLAG_IS_WRAPPER|AV_TEXTFORMAT_SECTION_FLAG_IS_ARRAY)))
+ writer_printf(wctx, "[/%s]\n", upcase_string(buf, sizeof(buf), section->name));
+}
+
+static void default_print_str(AVTextFormatContext *wctx, const char *key, const char *value)
+{
+ DefaultContext *def = wctx->priv;
+
+ if (!def->nokey)
+ writer_printf(wctx, "%s%s=", wctx->section_pbuf[wctx->level].str, key);
+ writer_printf(wctx, "%s\n", value);
+}
+
+static void default_print_int(AVTextFormatContext *wctx, const char *key, int64_t value)
+{
+ DefaultContext *def = wctx->priv;
+
+ if (!def->nokey)
+ writer_printf(wctx, "%s%s=", wctx->section_pbuf[wctx->level].str, key);
+ writer_printf(wctx, "%"PRId64"\n", value);
+}
+
+const AVTextFormatter avtextformatter_default = {
+ .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 = AV_TEXTFORMAT_FLAG_SUPPORTS_OPTIONAL_FIELDS,
+ .priv_class = &default_class,
+};
\ No newline at end of file
diff --git a/fftools/textformat/tf_flat.c b/fftools/textformat/tf_flat.c
new file mode 100644
index 0000000000..afdc494aee
--- /dev/null
+++ b/fftools/textformat/tf_flat.c
@@ -0,0 +1,174 @@
+/*
+ * Copyright (c) The ffmpeg developers
+ *
+ * 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
+ */
+
+#include <limits.h>
+#include <stdarg.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "avtextformat.h"
+#include <libavutil/mem.h>
+#include <libavutil/avassert.h>
+#include <libavutil/bprint.h>
+#include <libavutil/error.h>
+#include <libavutil/macros.h>
+#include <libavutil/opt.h>
+
+#define writer_w8(wctx_, b_) (wctx_)->writer->writer->writer_w8((wctx_)->writer, b_)
+#define writer_put_str(wctx_, str_) (wctx_)->writer->writer->writer_put_str((wctx_)->writer, str_)
+#define writer_printf(wctx_, fmt_, ...) (wctx_)->writer->writer->writer_printf((wctx_)->writer, fmt_, __VA_ARGS__)
+
+#define DEFINE_FORMATTER_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 \
+}
+
+
+/* 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_FORMATTER_CLASS(flat);
+
+static av_cold int flat_init(AVTextFormatContext *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(AVTextFormatContext *wctx, const void *data)
+{
+ FlatContext *flat = wctx->priv;
+ AVBPrint *buf = &wctx->section_pbuf[wctx->level];
+ const struct AVTextFormatSection *section = wctx->section[wctx->level];
+ const struct AVTextFormatSection *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 & (AV_TEXTFORMAT_SECTION_FLAG_IS_ARRAY|AV_TEXTFORMAT_SECTION_FLAG_IS_WRAPPER))) {
+ av_bprintf(buf, "%s%s", wctx->section[wctx->level]->name, flat->sep_str);
+
+ if (parent_section->flags & AV_TEXTFORMAT_SECTION_FLAG_IS_ARRAY) {
+ int n = parent_section->flags & AV_TEXTFORMAT_SECTION_FLAG_NUMBERING_BY_TYPE ?
+ wctx->nb_item_type[wctx->level-1][section->id] :
+ wctx->nb_item[wctx->level-1];
+ av_bprintf(buf, "%d%s", n, flat->sep_str);
+ }
+ }
+}
+
+static void flat_print_int(AVTextFormatContext *wctx, const char *key, int64_t value)
+{
+ writer_printf(wctx, "%s%s=%"PRId64"\n", wctx->section_pbuf[wctx->level].str, key, value);
+}
+
+static void flat_print_str(AVTextFormatContext *wctx, const char *key, const char *value)
+{
+ FlatContext *flat = wctx->priv;
+ AVBPrint buf;
+
+ writer_put_str(wctx, wctx->section_pbuf[wctx->level].str);
+ av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
+ writer_printf(wctx, "%s=", flat_escape_key_str(&buf, key, flat->sep));
+ av_bprint_clear(&buf);
+ writer_printf(wctx, "\"%s\"\n", flat_escape_value_str(&buf, value));
+ av_bprint_finalize(&buf, NULL);
+}
+
+const AVTextFormatter avtextformatter_flat = {
+ .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 = AV_TEXTFORMAT_FLAG_SUPPORTS_OPTIONAL_FIELDS|AV_TEXTFORMAT_FLAG_SUPPORTS_MIXED_ARRAY_CONTENT,
+ .priv_class = &flat_class,
+};
diff --git a/fftools/textformat/tf_ini.c b/fftools/textformat/tf_ini.c
new file mode 100644
index 0000000000..99a9af5690
--- /dev/null
+++ b/fftools/textformat/tf_ini.c
@@ -0,0 +1,160 @@
+/*
+ * Copyright (c) The ffmpeg developers
+ *
+ * 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
+ */
+
+#include <limits.h>
+#include <stdarg.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "avtextformat.h"
+#include <libavutil/mem.h>
+#include <libavutil/avassert.h>
+#include <libavutil/bprint.h>
+#include <libavutil/opt.h>
+
+#define writer_w8(wctx_, b_) (wctx_)->writer->writer->writer_w8((wctx_)->writer, b_)
+#define writer_put_str(wctx_, str_) (wctx_)->writer->writer->writer_put_str((wctx_)->writer, str_)
+#define writer_printf(wctx_, fmt_, ...) (wctx_)->writer->writer->writer_printf((wctx_)->writer, fmt_, __VA_ARGS__)
+
+#define DEFINE_FORMATTER_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;
+
+/* 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_FORMATTER_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(AVTextFormatContext *wctx, const void *data)
+{
+ INIContext *ini = wctx->priv;
+ AVBPrint *buf = &wctx->section_pbuf[wctx->level];
+ const struct AVTextFormatSection *section = wctx->section[wctx->level];
+ const struct AVTextFormatSection *parent_section = wctx->level ?
+ wctx->section[wctx->level-1] : NULL;
+
+ av_bprint_clear(buf);
+ if (!parent_section) {
+ writer_put_str(wctx, "# ffprobe output\n\n");
+ return;
+ }
+
+ if (wctx->nb_item[wctx->level-1])
+ writer_w8(wctx, '\n');
+
+ av_bprintf(buf, "%s", wctx->section_pbuf[wctx->level-1].str);
+ if (ini->hierarchical ||
+ !(section->flags & (AV_TEXTFORMAT_SECTION_FLAG_IS_ARRAY|AV_TEXTFORMAT_SECTION_FLAG_IS_WRAPPER))) {
+ av_bprintf(buf, "%s%s", buf->str[0] ? "." : "", wctx->section[wctx->level]->name);
+
+ if (parent_section->flags & AV_TEXTFORMAT_SECTION_FLAG_IS_ARRAY) {
+ int n = parent_section->flags & AV_TEXTFORMAT_SECTION_FLAG_NUMBERING_BY_TYPE ?
+ wctx->nb_item_type[wctx->level-1][section->id] :
+ wctx->nb_item[wctx->level-1];
+ av_bprintf(buf, ".%d", n);
+ }
+ }
+
+ if (!(section->flags & (AV_TEXTFORMAT_SECTION_FLAG_IS_ARRAY|AV_TEXTFORMAT_SECTION_FLAG_IS_WRAPPER)))
+ writer_printf(wctx, "[%s]\n", buf->str);
+}
+
+static void ini_print_str(AVTextFormatContext *wctx, const char *key, const char *value)
+{
+ AVBPrint buf;
+
+ av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
+ writer_printf(wctx, "%s=", ini_escape_str(&buf, key));
+ av_bprint_clear(&buf);
+ writer_printf(wctx, "%s\n", ini_escape_str(&buf, value));
+ av_bprint_finalize(&buf, NULL);
+}
+
+static void ini_print_int(AVTextFormatContext *wctx, const char *key, int64_t value)
+{
+ writer_printf(wctx, "%s=%"PRId64"\n", key, value);
+}
+
+const AVTextFormatter avtextformatter_ini = {
+ .name = "ini",
+ .priv_size = sizeof(INIContext),
+ .print_section_header = ini_print_section_header,
+ .print_integer = ini_print_int,
+ .print_string = ini_print_str,
+ .flags = AV_TEXTFORMAT_FLAG_SUPPORTS_OPTIONAL_FIELDS|AV_TEXTFORMAT_FLAG_SUPPORTS_MIXED_ARRAY_CONTENT,
+ .priv_class = &ini_class,
+};
diff --git a/fftools/textformat/tf_json.c b/fftools/textformat/tf_json.c
new file mode 100644
index 0000000000..4579c8a3d9
--- /dev/null
+++ b/fftools/textformat/tf_json.c
@@ -0,0 +1,215 @@
+/*
+ * Copyright (c) The ffmpeg developers
+ *
+ * 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
+ */
+
+#include <limits.h>
+#include <stdarg.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "avtextformat.h"
+#include <libavutil/mem.h>
+#include <libavutil/avassert.h>
+#include <libavutil/bprint.h>
+#include <libavutil/opt.h>
+
+#define writer_w8(wctx_, b_) (wctx_)->writer->writer->writer_w8((wctx_)->writer, b_)
+#define writer_put_str(wctx_, str_) (wctx_)->writer->writer->writer_put_str((wctx_)->writer, str_)
+#define writer_printf(wctx_, fmt_, ...) (wctx_)->writer->writer->writer_printf((wctx_)->writer, fmt_, __VA_ARGS__)
+
+#define DEFINE_FORMATTER_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 \
+}
+
+
+/* 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_FORMATTER_CLASS(json);
+
+static av_cold int json_init(AVTextFormatContext *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() writer_printf(wctx, "%*c", json->indent_level * 4, ' ')
+
+static void json_print_section_header(AVTextFormatContext *wctx, const void *data)
+{
+ JSONContext *json = wctx->priv;
+ AVBPrint buf;
+ const struct AVTextFormatSection *section = wctx->section[wctx->level];
+ const struct AVTextFormatSection *parent_section = wctx->level ?
+ wctx->section[wctx->level-1] : NULL;
+
+ if (wctx->level && wctx->nb_item[wctx->level-1])
+ writer_put_str(wctx, ",\n");
+
+ if (section->flags & AV_TEXTFORMAT_SECTION_FLAG_IS_WRAPPER) {
+ writer_put_str(wctx, "{\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 & AV_TEXTFORMAT_SECTION_FLAG_IS_ARRAY) {
+ writer_printf(wctx, "\"%s\": [\n", buf.str);
+ } else if (parent_section && !(parent_section->flags & AV_TEXTFORMAT_SECTION_FLAG_IS_ARRAY)) {
+ writer_printf(wctx, "\"%s\": {%s", buf.str, json->item_start_end);
+ } else {
+ writer_printf(wctx, "{%s", json->item_start_end);
+
+ /* this is required so the parser can distinguish between packets and frames */
+ if (parent_section && parent_section->flags & AV_TEXTFORMAT_SECTION_FLAG_NUMBERING_BY_TYPE) {
+ if (!json->compact)
+ JSON_INDENT();
+ writer_printf(wctx, "\"type\": \"%s\"", section->name);
+ wctx->nb_item[wctx->level]++;
+ }
+ }
+ av_bprint_finalize(&buf, NULL);
+ }
+}
+
+static void json_print_section_footer(AVTextFormatContext *wctx)
+{
+ JSONContext *json = wctx->priv;
+ const struct AVTextFormatSection *section = wctx->section[wctx->level];
+
+ if (wctx->level == 0) {
+ json->indent_level--;
+ writer_put_str(wctx, "\n}\n");
+ } else if (section->flags & AV_TEXTFORMAT_SECTION_FLAG_IS_ARRAY) {
+ writer_w8(wctx, '\n');
+ json->indent_level--;
+ JSON_INDENT();
+ writer_w8(wctx, ']');
+ } else {
+ writer_put_str(wctx, json->item_start_end);
+ json->indent_level--;
+ if (!json->compact)
+ JSON_INDENT();
+ writer_w8(wctx, '}');
+ }
+}
+
+static inline void json_print_item_str(AVTextFormatContext *wctx,
+ const char *key, const char *value)
+{
+ AVBPrint buf;
+
+ av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
+ writer_printf(wctx, "\"%s\":", json_escape_str(&buf, key, wctx));
+ av_bprint_clear(&buf);
+ writer_printf(wctx, " \"%s\"", json_escape_str(&buf, value, wctx));
+ av_bprint_finalize(&buf, NULL);
+}
+
+static void json_print_str(AVTextFormatContext *wctx, const char *key, const char *value)
+{
+ JSONContext *json = wctx->priv;
+ const struct AVTextFormatSection *parent_section = wctx->level ?
+ wctx->section[wctx->level-1] : NULL;
+
+ if (wctx->nb_item[wctx->level] || (parent_section && parent_section->flags & AV_TEXTFORMAT_SECTION_FLAG_NUMBERING_BY_TYPE))
+ writer_put_str(wctx, json->item_sep);
+ if (!json->compact)
+ JSON_INDENT();
+ json_print_item_str(wctx, key, value);
+}
+
+static void json_print_int(AVTextFormatContext *wctx, const char *key, int64_t value)
+{
+ JSONContext *json = wctx->priv;
+ const struct AVTextFormatSection *parent_section = wctx->level ?
+ wctx->section[wctx->level-1] : NULL;
+ AVBPrint buf;
+
+ if (wctx->nb_item[wctx->level] || (parent_section && parent_section->flags & AV_TEXTFORMAT_SECTION_FLAG_NUMBERING_BY_TYPE))
+ writer_put_str(wctx, json->item_sep);
+ if (!json->compact)
+ JSON_INDENT();
+
+ av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
+ writer_printf(wctx, "\"%s\": %"PRId64, json_escape_str(&buf, key, wctx), value);
+ av_bprint_finalize(&buf, NULL);
+}
+
+const AVTextFormatter avtextformatter_json = {
+ .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 = AV_TEXTFORMAT_FLAG_SUPPORTS_MIXED_ARRAY_CONTENT,
+ .priv_class = &json_class,
+};
+
diff --git a/fftools/textformat/tf_xml.c b/fftools/textformat/tf_xml.c
new file mode 100644
index 0000000000..04c43fb85d
--- /dev/null
+++ b/fftools/textformat/tf_xml.c
@@ -0,0 +1,221 @@
+/*
+ * Copyright (c) The ffmpeg developers
+ *
+ * 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
+ */
+
+#include <limits.h>
+#include <stdarg.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "avtextformat.h"
+#include <libavutil/mem.h>
+#include <libavutil/avassert.h>
+#include <libavutil/bprint.h>
+#include <libavutil/error.h>
+#include <libavutil/macros.h>
+#include <libavutil/opt.h>
+
+#define writer_w8(wctx_, b_) (wctx_)->writer->writer->writer_w8((wctx_)->writer, b_)
+#define writer_put_str(wctx_, str_) (wctx_)->writer->writer->writer_put_str((wctx_)->writer, str_)
+#define writer_printf(wctx_, fmt_, ...) (wctx_)->writer->writer->writer_printf((wctx_)->writer, fmt_, __VA_ARGS__)
+
+#define DEFINE_FORMATTER_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 \
+}
+
+/* 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_FORMATTER_CLASS(xml);
+
+static av_cold int xml_init(AVTextFormatContext *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(wctx->show_value_unit, "unit");
+ CHECK_COMPLIANCE(wctx->use_value_prefix, "prefix");
+ }
+
+ return 0;
+}
+
+#define XML_INDENT() writer_printf(wctx, "%*c", xml->indent_level * 4, ' ')
+
+static void xml_print_section_header(AVTextFormatContext *wctx, const void *data)
+{
+ XMLContext *xml = wctx->priv;
+ const struct AVTextFormatSection *section = wctx->section[wctx->level];
+ const struct AVTextFormatSection *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\"";
+
+ writer_put_str(wctx, "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");
+ writer_printf(wctx, "<%sffprobe%s>\n",
+ xml->fully_qualified ? "ffprobe:" : "",
+ xml->fully_qualified ? qual : "");
+ return;
+ }
+
+ if (xml->within_tag) {
+ xml->within_tag = 0;
+ writer_put_str(wctx, ">\n");
+ }
+
+ if (parent_section && (parent_section->flags & AV_TEXTFORMAT_SECTION_FLAG_IS_WRAPPER) &&
+ wctx->level && wctx->nb_item[wctx->level-1])
+ writer_w8(wctx, '\n');
+ xml->indent_level++;
+
+ if (section->flags & (AV_TEXTFORMAT_SECTION_FLAG_IS_ARRAY|AV_TEXTFORMAT_SECTION_FLAG_HAS_VARIABLE_FIELDS)) {
+ XML_INDENT(); writer_printf(wctx, "<%s", section->name);
+
+ if (section->flags & AV_TEXTFORMAT_SECTION_FLAG_HAS_TYPE) {
+ AVBPrint buf;
+ av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
+ av_bprint_escape(&buf, section->get_type(data), NULL,
+ AV_ESCAPE_MODE_XML, AV_ESCAPE_FLAG_XML_DOUBLE_QUOTES);
+ writer_printf(wctx, " type=\"%s\"", buf.str);
+ }
+ writer_printf(wctx, ">\n", section->name);
+ } else {
+ XML_INDENT(); writer_printf(wctx, "<%s ", section->name);
+ xml->within_tag = 1;
+ }
+}
+
+static void xml_print_section_footer(AVTextFormatContext *wctx)
+{
+ XMLContext *xml = wctx->priv;
+ const struct AVTextFormatSection *section = wctx->section[wctx->level];
+
+ if (wctx->level == 0) {
+ writer_printf(wctx, "</%sffprobe>\n", xml->fully_qualified ? "ffprobe:" : "");
+ } else if (xml->within_tag) {
+ xml->within_tag = 0;
+ writer_put_str(wctx, "/>\n");
+ xml->indent_level--;
+ } else {
+ XML_INDENT(); writer_printf(wctx, "</%s>\n", section->name);
+ xml->indent_level--;
+ }
+}
+
+static void xml_print_value(AVTextFormatContext *wctx, const char *key,
+ const char *str, int64_t num, const int is_int)
+{
+ AVBPrint buf;
+ XMLContext *xml = wctx->priv;
+ const struct AVTextFormatSection *section = wctx->section[wctx->level];
+
+ av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
+
+ if (section->flags & AV_TEXTFORMAT_SECTION_FLAG_HAS_VARIABLE_FIELDS) {
+ xml->indent_level++;
+ XML_INDENT();
+ av_bprint_escape(&buf, key, NULL,
+ AV_ESCAPE_MODE_XML, AV_ESCAPE_FLAG_XML_DOUBLE_QUOTES);
+ writer_printf(wctx, "<%s key=\"%s\"",
+ section->element_name, buf.str);
+ av_bprint_clear(&buf);
+
+ if (is_int) {
+ writer_printf(wctx, " value=\"%"PRId64"\"/>\n", num);
+ } else {
+ av_bprint_escape(&buf, str, NULL,
+ AV_ESCAPE_MODE_XML, AV_ESCAPE_FLAG_XML_DOUBLE_QUOTES);
+ writer_printf(wctx, " value=\"%s\"/>\n", buf.str);
+ }
+ xml->indent_level--;
+ } else {
+ if (wctx->nb_item[wctx->level])
+ writer_w8(wctx, ' ');
+
+ if (is_int) {
+ writer_printf(wctx, "%s=\"%"PRId64"\"", key, num);
+ } else {
+ av_bprint_escape(&buf, str, NULL,
+ AV_ESCAPE_MODE_XML, AV_ESCAPE_FLAG_XML_DOUBLE_QUOTES);
+ writer_printf(wctx, "%s=\"%s\"", key, buf.str);
+ }
+ }
+
+ av_bprint_finalize(&buf, NULL);
+}
+
+static inline void xml_print_str(AVTextFormatContext *wctx, const char *key, const char *value) {
+ xml_print_value(wctx, key, value, 0, 0);
+}
+
+static void xml_print_int(AVTextFormatContext *wctx, const char *key, int64_t value)
+{
+ xml_print_value(wctx, key, NULL, value, 1);
+}
+
+const AVTextFormatter avtextformatter_xml = {
+ .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 = AV_TEXTFORMAT_FLAG_SUPPORTS_MIXED_ARRAY_CONTENT,
+ .priv_class = &xml_class,
+};
+
diff --git a/fftools/textformat/tw_avio.c b/fftools/textformat/tw_avio.c
new file mode 100644
index 0000000000..e1605a1272
--- /dev/null
+++ b/fftools/textformat/tw_avio.c
@@ -0,0 +1,129 @@
+/*
+ * Copyright (c) The ffmpeg developers
+ *
+ * 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
+ */
+
+#include <limits.h>
+#include <stdarg.h>
+
+#include "avtextwriters.h"
+#include "libavutil/opt.h"
+
+/* AVIO Writer */
+
+# define WRITER_NAME "aviowriter"
+
+typedef struct IOWriterContext {
+ const AVClass *class;
+ AVIOContext *avio_context;
+ int close_on_uninit;
+} IOWriterContext;
+
+static const char *iowriter_get_name(void *ctx)
+{
+ return WRITER_NAME;
+}
+
+static const AVClass iowriter_class = {
+ .class_name = WRITER_NAME,
+ .item_name = iowriter_get_name,
+};
+
+static av_cold void iowriter_uninit(AVTextWriterContext *wctx)
+{
+ IOWriterContext *ctx = wctx->priv;
+
+ if (ctx->close_on_uninit && ctx->avio_context) {
+ avio_flush(ctx->avio_context);
+ avio_close(ctx->avio_context);
+ }
+}
+
+static void io_w8(AVTextWriterContext *wctx, int b)
+{
+ IOWriterContext *ctx = wctx->priv;
+ avio_w8(ctx->avio_context, b);
+}
+
+static void io_put_str(AVTextWriterContext *wctx, const char *str)
+{
+ IOWriterContext *ctx = wctx->priv;
+ avio_write(ctx->avio_context, str, strlen(str));
+}
+
+static void io_printf(AVTextWriterContext *wctx, const char *fmt, ...)
+{
+ IOWriterContext *ctx = wctx->priv;
+ va_list ap;
+
+ va_start(ap, fmt);
+ avio_vprintf(ctx->avio_context, fmt, ap);
+ va_end(ap);
+}
+
+
+const AVTextWriter avtextwriter_avio = {
+ .name = WRITER_NAME,
+ .priv_size = sizeof(IOWriterContext),
+ .uninit = iowriter_uninit,
+ .priv_class = &iowriter_class,
+ .writer_put_str = io_put_str,
+ .writer_printf = io_printf,
+ .writer_w8 = io_w8
+};
+
+int avtextwriter_create_file(AVTextWriterContext **pwctx, const char *output_filename, int close_on_uninit)
+{
+ IOWriterContext *ctx;
+ int ret;
+
+
+ ret = avtextwriter_context_open(pwctx, &avtextwriter_avio);
+ if (ret < 0)
+ return ret;
+
+ ctx = (*pwctx)->priv;
+
+ if ((ret = avio_open(&ctx->avio_context, output_filename, AVIO_FLAG_WRITE)) < 0) {
+ av_log(ctx, AV_LOG_ERROR,
+ "Failed to open output '%s' with error: %s\n", output_filename, av_err2str(ret));
+ avtextwriter_context_close(pwctx);
+ return ret;
+ }
+
+ ctx->close_on_uninit = close_on_uninit;
+
+ return ret;
+}
+
+
+int avtextwriter_create_avio(AVTextWriterContext **pwctx, AVIOContext *avio_ctx, int close_on_uninit)
+{
+ IOWriterContext *ctx;
+ int ret;
+
+ ret = avtextwriter_context_open(pwctx, &avtextwriter_avio);
+ if (ret < 0)
+ return ret;
+
+ ctx = (*pwctx)->priv;
+ ctx->avio_context = avio_ctx;
+ ctx->close_on_uninit = close_on_uninit;
+
+ return ret;
+}
diff --git a/fftools/textformat/tw_buffer.c b/fftools/textformat/tw_buffer.c
new file mode 100644
index 0000000000..4aeec4afa0
--- /dev/null
+++ b/fftools/textformat/tw_buffer.c
@@ -0,0 +1,92 @@
+/*
+ * Copyright (c) The ffmpeg developers
+ *
+ * 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
+ */
+
+#include <limits.h>
+#include <stdarg.h>
+
+#include "avtextwriters.h"
+#include "libavutil/opt.h"
+#include "libavutil/bprint.h"
+
+/* Buffer Writer */
+
+# define WRITER_NAME "bufferwriter"
+
+typedef struct BufferWriterContext {
+ const AVClass *class;
+ AVBPrint *buffer;
+} BufferWriterContext;
+
+static const char *bufferwriter_get_name(void *ctx)
+{
+ return WRITER_NAME;
+}
+
+static const AVClass bufferwriter_class = {
+ .class_name = WRITER_NAME,
+ .item_name = bufferwriter_get_name,
+};
+
+static void buffer_w8(AVTextWriterContext *wctx, int b)
+{
+ BufferWriterContext *ctx = wctx->priv;
+ av_bprintf(ctx->buffer, "%c", b);
+}
+
+static void buffer_put_str(AVTextWriterContext *wctx, const char *str)
+{
+ BufferWriterContext *ctx = wctx->priv;
+ av_bprintf(ctx->buffer, "%s", str);
+}
+
+static void buffer_printf(AVTextWriterContext *wctx, const char *fmt, ...)
+{
+ BufferWriterContext *ctx = wctx->priv;
+
+ va_list vargs;
+ va_start(vargs, fmt);
+ av_vbprintf(ctx->buffer, fmt, vargs);
+ va_end(vargs);
+}
+
+
+const AVTextWriter avtextwriter_buffer = {
+ .name = WRITER_NAME,
+ .priv_size = sizeof(BufferWriterContext),
+ .priv_class = &bufferwriter_class,
+ .writer_put_str = buffer_put_str,
+ .writer_printf = buffer_printf,
+ .writer_w8 = buffer_w8
+};
+
+int avtextwriter_create_buffer(AVTextWriterContext **pwctx, AVBPrint *buffer)
+{
+ BufferWriterContext *ctx;
+ int ret;
+
+ ret = avtextwriter_context_open(pwctx, &avtextwriter_buffer);
+ if (ret < 0)
+ return ret;
+
+ ctx = (*pwctx)->priv;
+ ctx->buffer = buffer;
+
+ return ret;
+}
diff --git a/fftools/textformat/tw_stdout.c b/fftools/textformat/tw_stdout.c
new file mode 100644
index 0000000000..b9a613ad61
--- /dev/null
+++ b/fftools/textformat/tw_stdout.c
@@ -0,0 +1,82 @@
+/*
+ * Copyright (c) The ffmpeg developers
+ *
+ * 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
+ */
+
+#include <stdarg.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "avtextwriters.h"
+#include "libavutil/opt.h"
+
+/* STDOUT Writer */
+
+# define WRITER_NAME "stdoutwriter"
+
+typedef struct StdOutWriterContext {
+ const AVClass *class;
+} StdOutWriterContext;
+
+static const char *stdoutwriter_get_name(void *ctx)
+{
+ return WRITER_NAME;
+}
+
+static const AVClass stdoutwriter_class = {
+ .class_name = WRITER_NAME,
+ .item_name = stdoutwriter_get_name,
+};
+
+static inline void stdout_w8(AVTextWriterContext *wctx, int b)
+{
+ printf("%c", b);
+}
+
+static inline void stdout_put_str(AVTextWriterContext *wctx, const char *str)
+{
+ printf("%s", str);
+}
+
+static inline void stdout_printf(AVTextWriterContext *wctx, const char *fmt, ...)
+{
+ va_list ap;
+
+ va_start(ap, fmt);
+ vprintf(fmt, ap);
+ va_end(ap);
+}
+
+
+static const AVTextWriter avtextwriter_stdout = {
+ .name = WRITER_NAME,
+ .priv_size = sizeof(StdOutWriterContext),
+ .priv_class = &stdoutwriter_class,
+ .writer_put_str = stdout_put_str,
+ .writer_printf = stdout_printf,
+ .writer_w8 = stdout_w8
+};
+
+int avtextwriter_create_stdout(AVTextWriterContext **pwctx)
+{
+ int ret;
+
+ ret = avtextwriter_context_open(pwctx, &avtextwriter_stdout);
+
+ return ret;
+}
--
ffmpeg-codebot
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next prev parent reply other threads:[~2025-03-01 10:02 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-02-19 9:59 [FFmpeg-devel] [PATCH 0/3] print_graphs: Complete Filtergraph Printing ffmpegagent
2025-02-19 9:59 ` [FFmpeg-devel] [PATCH 1/3] fftools/ffmpeg_filter: Move some declaration to new header file softworkz
2025-02-19 9:59 ` [FFmpeg-devel] [PATCH 2/3] fftools/ffmpeg_graphprint: Add options for filtergraph printing softworkz
2025-02-21 9:22 ` Andreas Rheinhardt
2025-02-21 9:42 ` Soft Works
2025-02-21 11:11 ` Andreas Rheinhardt
2025-02-21 11:25 ` Soft Works
2025-02-21 13:09 ` Nicolas George
2025-02-21 13:49 ` Soft Works
2025-02-24 10:41 ` Nicolas George
2025-02-24 13:19 ` Soft Works
2025-02-26 14:42 ` Nicolas George
2025-02-27 13:11 ` Soft Works
2025-02-19 9:59 ` [FFmpeg-devel] [PATCH 3/3] fftools: Enable filtergraph printing and update docs softworkz
2025-02-21 11:27 ` [FFmpeg-devel] [PATCH v2 0/4] print_graphs: Complete Filtergraph Printing ffmpegagent
2025-02-21 11:27 ` [FFmpeg-devel] [PATCH v2 1/4] fftools/ffmpeg_filter: Move some declaration to new header file softworkz
2025-02-21 11:27 ` [FFmpeg-devel] [PATCH v2 2/4] avfilter/avfilter Add avfilter_link_get_hw_frames_ctx() softworkz
2025-02-21 11:27 ` [FFmpeg-devel] [PATCH v2 3/4] fftools/ffmpeg_graphprint: Add options for filtergraph printing softworkz
2025-02-21 11:27 ` [FFmpeg-devel] [PATCH v2 4/4] fftools: Enable filtergraph printing and update docs softworkz
2025-03-01 10:01 ` [FFmpeg-devel] [PATCH v3 0/7] print_graphs: Complete Filtergraph Printing ffmpegagent
2025-03-01 10:01 ` softworkz [this message]
2025-03-01 10:01 ` [FFmpeg-devel] [PATCH v3 2/7] fftools/ffprobe: Change to use textformat api softworkz
2025-03-01 10:02 ` [FFmpeg-devel] [PATCH v3 3/7] fftools/ffprobe: Rename writer_print_section_* and WriterContext softworkz
2025-03-01 10:02 ` [FFmpeg-devel] [PATCH v3 4/7] fftools/ffmpeg_filter: Move some declaration to new header file softworkz
2025-03-01 10:02 ` [FFmpeg-devel] [PATCH v3 5/7] avfilter/avfilter Add avfilter_link_get_hw_frames_ctx() softworkz
2025-03-01 10:02 ` [FFmpeg-devel] [PATCH v3 6/7] fftools/ffmpeg_graphprint: Add options for filtergraph printing softworkz
2025-03-01 10:02 ` [FFmpeg-devel] [PATCH v3 7/7] fftools: Enable filtergraph printing and update docs softworkz
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