ffprobe: add -show_programs option
authorFlorent Tribouilloy <florent.tribouilloy@smartjog.com>
Thu, 25 Jul 2013 10:55:40 +0000 (12:55 +0200)
committerStefano Sabatini <stefasab@gmail.com>
Sun, 28 Jul 2013 14:39:06 +0000 (16:39 +0200)
The option is used to sort the streams by program.

Signed-off-by: Florent Tribouilloy <florent.tribouilloy@smartjog.com>
Signed-off-by: Stefano Sabatini <stefasab@gmail.com>
Changelog
doc/ffprobe.texi
doc/ffprobe.xsd
ffprobe.c
tests/ref/fate/ffprobe_compact
tests/ref/fate/ffprobe_csv
tests/ref/fate/ffprobe_default
tests/ref/fate/ffprobe_flat
tests/ref/fate/ffprobe_ini
tests/ref/fate/ffprobe_json
tests/ref/fate/ffprobe_xml

index 2571fa3..a8ff9b1 100644 (file)
--- a/Changelog
+++ b/Changelog
@@ -5,6 +5,7 @@ version <next>
 
 - aecho filter
 - perspective filter ported from libmpcodecs
+- ffprobe -show_programs option
 
 
 version 2.0:
index 38517a8..02cffbb 100644 (file)
@@ -44,7 +44,8 @@ name (which may be shared by other sections), and an unique
 name. See the output of @option{sections}.
 
 Metadata tags stored in the container or in the streams are recognized
-and printed in the corresponding "FORMAT" or "STREAM" section.
+and printed in the corresponding "FORMAT", "STREAM" or "PROGRAM_STREAM"
+section.
 
 @c man end
 
@@ -209,6 +210,13 @@ multimedia stream.
 Each media stream information is printed within a dedicated section
 with name "STREAM".
 
+@item -show_programs
+Show information about programs and their streams contained in the input
+multimedia stream.
+
+Each media stream information is printed within a dedicated section
+with name "PROGRAM_STREAM".
+
 @item -show_chapters
 Show information about chapters stored in the format.
 
@@ -279,8 +287,8 @@ keyN=valN
 [/SECTION]
 @end example
 
-Metadata tags are printed as a line in the corresponding FORMAT or
-STREAM section, and are prefixed by the string "TAG:".
+Metadata tags are printed as a line in the corresponding FORMAT, STREAM or
+PROGRAM_STREAM section, and are prefixed by the string "TAG:".
 
 A description of the accepted options follows.
 
index 82cb80d..8a1e102 100644 (file)
@@ -11,6 +11,7 @@
             <xsd:element name="packets"  type="ffprobe:packetsType" minOccurs="0" maxOccurs="1" />
             <xsd:element name="frames"   type="ffprobe:framesType"  minOccurs="0" maxOccurs="1" />
             <xsd:element name="streams"  type="ffprobe:streamsType" minOccurs="0" maxOccurs="1" />
+            <xsd:element name="programs" type="ffprobe:programsType" minOccurs="0" maxOccurs="1" />
             <xsd:element name="chapters" type="ffprobe:chaptersType" minOccurs="0" maxOccurs="1" />
             <xsd:element name="format"   type="ffprobe:formatType"  minOccurs="0" maxOccurs="1" />
             <xsd:element name="error"    type="ffprobe:errorType"   minOccurs="0" maxOccurs="1" />
         </xsd:sequence>
     </xsd:complexType>
 
+    <xsd:complexType name="programsType">
+        <xsd:sequence>
+            <xsd:element name="program" type="ffprobe:programType" minOccurs="0" maxOccurs="unbounded"/>
+        </xsd:sequence>
+    </xsd:complexType>
+
     <xsd:complexType name="streamDispositionType">
       <xsd:attribute name="default"          type="xsd:int" use="required" />
       <xsd:attribute name="dub"              type="xsd:int" use="required" />
       <xsd:attribute name="nb_read_packets"  type="xsd:int"/>
     </xsd:complexType>
 
+    <xsd:complexType name="programType">
+      <xsd:sequence>
+        <xsd:element name="tag" type="ffprobe:tagType" minOccurs="0" maxOccurs="unbounded"/>
+        <xsd:element name="streams" type="ffprobe:streamsType" minOccurs="0" maxOccurs="1"/>
+      </xsd:sequence>
+
+      <xsd:attribute name="program_id"           type="xsd:int"    use="required"/>
+      <xsd:attribute name="program_num"          type="xsd:int"    use="required"/>
+      <xsd:attribute name="nb_streams"           type="xsd:int"    use="required"/>
+      <xsd:attribute name="start_time"           type="xsd:float"/>
+      <xsd:attribute name="start_pts"            type="xsd:long"/>
+      <xsd:attribute name="end_time"             type="xsd:float"/>
+      <xsd:attribute name="end_pts"              type="xsd:long"/>
+      <xsd:attribute name="pmt_pid"              type="xsd:int"    use="required"/>
+      <xsd:attribute name="pcr_pid"              type="xsd:int"    use="required"/>
+    </xsd:complexType>
+
     <xsd:complexType name="formatType">
       <xsd:sequence>
         <xsd:element name="tag" type="ffprobe:tagType" minOccurs="0" maxOccurs="unbounded"/>
index 17c05b5..8a65e1a 100644 (file)
--- a/ffprobe.c
+++ b/ffprobe.c
@@ -57,6 +57,7 @@ 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;
@@ -108,7 +109,14 @@ typedef enum {
     SECTION_ID_PACKET,
     SECTION_ID_PACKETS,
     SECTION_ID_PACKETS_AND_FRAMES,
+    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,
@@ -131,10 +139,17 @@ static struct section sections[] = {
     [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, { -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_STREAMS, SECTION_ID_PACKETS,
-                                          SECTION_ID_ERROR, SECTION_ID_PROGRAM_VERSION, SECTION_ID_LIBRARY_VERSIONS, -1} },
+                                        { 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, -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, -1 } },
     [SECTION_ID_STREAM_DISPOSITION] = { SECTION_ID_STREAM_DISPOSITION, "disposition", 0, { -1 }, .unique_name = "stream_disposition" },
@@ -1611,7 +1626,7 @@ static void read_packets(WriterContext *w, AVFormatContext *fmt_ctx)
     }
 }
 
-static void show_stream(WriterContext *w, AVFormatContext *fmt_ctx, int stream_idx)
+static void show_stream(WriterContext *w, AVFormatContext *fmt_ctx, int stream_idx, int in_program)
 {
     AVStream *stream = fmt_ctx->streams[stream_idx];
     AVCodecContext *dec_ctx;
@@ -1623,7 +1638,7 @@ static void show_stream(WriterContext *w, AVFormatContext *fmt_ctx, int stream_i
 
     av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
 
-    writer_print_section_header(w, SECTION_ID_STREAM);
+    writer_print_section_header(w, in_program ? SECTION_ID_PROGRAM_STREAM : SECTION_ID_STREAM);
 
     print_int("index", stream->index);
 
@@ -1739,7 +1754,7 @@ static void show_stream(WriterContext *w, AVFormatContext *fmt_ctx, int stream_i
     } while (0)
 
     if (do_show_stream_disposition) {
-    writer_print_section_header(w, SECTION_ID_STREAM_DISPOSITION);
+    writer_print_section_header(w, in_program ? SECTION_ID_PROGRAM_STREAM_DISPOSITION : SECTION_ID_STREAM_DISPOSITION);
     PRINT_DISPOSITION(DEFAULT,          "default");
     PRINT_DISPOSITION(DUB,              "dub");
     PRINT_DISPOSITION(ORIGINAL,         "original");
@@ -1754,7 +1769,7 @@ static void show_stream(WriterContext *w, AVFormatContext *fmt_ctx, int stream_i
     writer_print_section_footer(w);
     }
 
-    show_tags(w, stream->metadata, SECTION_ID_STREAM_TAGS);
+    show_tags(w, stream->metadata, in_program ? SECTION_ID_PROGRAM_STREAM_TAGS : SECTION_ID_STREAM_TAGS);
 
     writer_print_section_footer(w);
     av_bprint_finalize(&pbuf, NULL);
@@ -1767,7 +1782,47 @@ static void show_streams(WriterContext *w, AVFormatContext *fmt_ctx)
     writer_print_section_header(w, SECTION_ID_STREAMS);
     for (i = 0; i < fmt_ctx->nb_streams; i++)
         if (selected_streams[i])
-            show_stream(w, fmt_ctx, i);
+            show_stream(w, fmt_ctx, i, 0);
+    writer_print_section_footer(w);
+}
+
+static void show_program(WriterContext *w, AVFormatContext *fmt_ctx, AVProgram *program)
+{
+    int i;
+
+    writer_print_section_header(w, SECTION_ID_PROGRAM);
+    print_int("program_id", program->id);
+    print_int("program_num", program->program_num);
+    print_int("nb_streams", program->nb_stream_indexes);
+    print_int("pmt_pid", program->pmt_pid);
+    print_int("pcr_pid", program->pcr_pid);
+    print_ts("start_pts", program->start_time);
+    print_time("start_time", program->start_time, &AV_TIME_BASE_Q);
+    print_ts("end_pts", program->end_time);
+    print_time("end_time", program->end_time, &AV_TIME_BASE_Q);
+    show_tags(w, program->metadata, SECTION_ID_PROGRAM_TAGS);
+
+    writer_print_section_header(w, SECTION_ID_PROGRAM_STREAMS);
+    for (i = 0; i < program->nb_stream_indexes; i++) {
+        if (selected_streams[program->stream_index[i]])
+            show_stream(w, fmt_ctx, program->stream_index[i], 1);
+    }
+    writer_print_section_footer(w);
+
+    writer_print_section_footer(w);
+}
+
+static void show_programs(WriterContext *w, AVFormatContext *fmt_ctx)
+{
+    int i;
+
+    writer_print_section_header(w, SECTION_ID_PROGRAMS);
+    for (i = 0; i < fmt_ctx->nb_programs; i++) {
+        AVProgram *program = fmt_ctx->programs[i];
+        if (!program)
+            continue;
+        show_program(w, fmt_ctx, program);
+    }
     writer_print_section_footer(w);
 }
 
@@ -1800,6 +1855,7 @@ static void show_format(WriterContext *w, AVFormatContext *fmt_ctx)
     writer_print_section_header(w, SECTION_ID_FORMAT);
     print_str("filename",         fmt_ctx->filename);
     print_int("nb_streams",       fmt_ctx->nb_streams);
+    print_int("nb_programs",      fmt_ctx->nb_programs);
     print_str("format_name",      fmt_ctx->iformat->name);
     if (!do_bitexact) {
         if (fmt_ctx->iformat->long_name) print_str    ("format_long_name", fmt_ctx->iformat->long_name);
@@ -1953,6 +2009,8 @@ static int probe_file(WriterContext *wctx, const char *filename)
         if (do_show_frames || do_show_packets)
             writer_print_section_footer(wctx);
     }
+    if (do_show_programs)
+        show_programs(wctx, fmt_ctx);
     if (do_show_streams)
         show_streams(wctx, fmt_ctx);
     if (do_show_chapters)
@@ -2219,6 +2277,7 @@ DEFINE_OPT_SHOW_SECTION(library_versions, LIBRARY_VERSIONS);
 DEFINE_OPT_SHOW_SECTION(packets,          PACKETS);
 DEFINE_OPT_SHOW_SECTION(program_version,  PROGRAM_VERSION);
 DEFINE_OPT_SHOW_SECTION(streams,          STREAMS);
+DEFINE_OPT_SHOW_SECTION(programs,         PROGRAMS);
 
 static const OptionDef real_options[] = {
 #include "cmdutils_common_opts.h"
@@ -2245,6 +2304,7 @@ static const OptionDef real_options[] = {
     { "show_entries", HAS_ARG, {.func_arg = opt_show_entries},
       "show a set of specified entries", "entry_list" },
     { "show_packets", 0, {(void*)&opt_show_packets}, "show packets info" },
+    { "show_programs", 0, {(void*)&opt_show_programs}, "show programs info" },
     { "show_streams", 0, {(void*)&opt_show_streams}, "show streams info" },
     { "show_chapters", 0, {(void*)&opt_show_chapters}, "show chapters info" },
     { "count_frames", OPT_BOOL, {(void*)&do_count_frames}, "count the number of frames per stream" },
@@ -2308,8 +2368,10 @@ int main(int argc, char **argv)
     SET_DO_SHOW(LIBRARY_VERSIONS, library_versions);
     SET_DO_SHOW(PACKETS, packets);
     SET_DO_SHOW(PROGRAM_VERSION, program_version);
+    SET_DO_SHOW(PROGRAMS, programs);
     SET_DO_SHOW(STREAMS, streams);
     SET_DO_SHOW(STREAM_DISPOSITION, stream_disposition);
+    SET_DO_SHOW(PROGRAM_STREAM_DISPOSITION, stream_disposition);
 
     if (do_bitexact && (do_show_program_version || do_show_library_versions)) {
         av_log(NULL, AV_LOG_ERROR,
@@ -2347,7 +2409,7 @@ int main(int argc, char **argv)
             ffprobe_show_library_versions(wctx);
 
         if (!input_filename &&
-            ((do_show_format || do_show_streams || do_show_chapters || do_show_packets || do_show_error) ||
+            ((do_show_format || do_show_programs || do_show_streams || do_show_chapters || do_show_packets || do_show_error) ||
              (!do_show_program_version && !do_show_library_versions))) {
             show_usage();
             av_log(NULL, AV_LOG_ERROR, "You have to specify one input file.\n");
index 409ac9c..04d8ce4 100644 (file)
@@ -29,4 +29,4 @@ frame|media_type=video|key_frame=1|pkt_pts=6144|pkt_pts_time=0.120000|pkt_dts=61
 stream|index=0|codec_name=pcm_s16le|profile=unknown|codec_type=audio|codec_time_base=1/44100|codec_tag_string=PSD[16]|codec_tag=0x10445350|sample_fmt=s16|sample_rate=44100|channels=1|bits_per_sample=16|id=N/A|r_frame_rate=0/0|avg_frame_rate=0/0|time_base=1/44100|start_pts=0|start_time=0.000000|duration_ts=N/A|duration=N/A|bit_rate=705600|nb_frames=N/A|nb_read_frames=6|nb_read_packets=6|disposition:default=0|disposition:dub=0|disposition:original=0|disposition:comment=0|disposition:lyrics=0|disposition:karaoke=0|disposition:forced=0|disposition:hearing_impaired=0|disposition:visual_impaired=0|disposition:clean_effects=0|disposition:attached_pic=0|tag:E=mc²
 stream|index=1|codec_name=rawvideo|profile=unknown|codec_type=video|codec_time_base=1/51200|codec_tag_string=RGB[24]|codec_tag=0x18424752|width=320|height=240|has_b_frames=0|sample_aspect_ratio=1:1|display_aspect_ratio=4:3|pix_fmt=rgb24|level=-99|timecode=N/A|id=N/A|r_frame_rate=25/1|avg_frame_rate=25/1|time_base=1/51200|start_pts=0|start_time=0.000000|duration_ts=N/A|duration=N/A|bit_rate=N/A|nb_frames=N/A|nb_read_frames=4|nb_read_packets=4|disposition:default=0|disposition:dub=0|disposition:original=0|disposition:comment=0|disposition:lyrics=0|disposition:karaoke=0|disposition:forced=0|disposition:hearing_impaired=0|disposition:visual_impaired=0|disposition:clean_effects=0|disposition:attached_pic=0|tag:title=foobar|tag:duration_ts=field-and-tags-conflict-attempt
 stream|index=2|codec_name=rawvideo|profile=unknown|codec_type=video|codec_time_base=1/51200|codec_tag_string=RGB[24]|codec_tag=0x18424752|width=100|height=100|has_b_frames=0|sample_aspect_ratio=1:1|display_aspect_ratio=1:1|pix_fmt=rgb24|level=-99|timecode=N/A|id=N/A|r_frame_rate=25/1|avg_frame_rate=25/1|time_base=1/51200|start_pts=0|start_time=0.000000|duration_ts=N/A|duration=N/A|bit_rate=N/A|nb_frames=N/A|nb_read_frames=4|nb_read_packets=4|disposition:default=0|disposition:dub=0|disposition:original=0|disposition:comment=0|disposition:lyrics=0|disposition:karaoke=0|disposition:forced=0|disposition:hearing_impaired=0|disposition:visual_impaired=0|disposition:clean_effects=0|disposition:attached_pic=0
-format|filename=tests/data/ffprobe-test.nut|nb_streams=3|format_name=nut|start_time=0.000000|duration=0.120000|size=1054812|bit_rate=70320800|tag:title=ffprobe test file|tag:comment='A comment with CSV, XML & JSON special chars': <tag value="x">|tag:comment2=I ♥ Üñîçød€
+format|filename=tests/data/ffprobe-test.nut|nb_streams=3|nb_programs=0|format_name=nut|start_time=0.000000|duration=0.120000|size=1054812|bit_rate=70320800|tag:title=ffprobe test file|tag:comment='A comment with CSV, XML & JSON special chars': <tag value="x">|tag:comment2=I ♥ Üñîçød€
index 0094c39..a11b321 100644 (file)
@@ -29,4 +29,4 @@ frame,video,1,6144,0.120000,6144,0.120000,2048,0.040000,1024731,N/A,100,100,rgb2
 stream,0,pcm_s16le,unknown,audio,1/44100,PSD[16],0x10445350,s16,44100,1,16,N/A,0/0,0/0,1/44100,0,0.000000,N/A,N/A,705600,N/A,6,6,0,0,0,0,0,0,0,0,0,0,0,mc²
 stream,1,rawvideo,unknown,video,1/51200,RGB[24],0x18424752,320,240,0,1:1,4:3,rgb24,-99,N/A,N/A,25/1,25/1,1/51200,0,0.000000,N/A,N/A,N/A,N/A,4,4,0,0,0,0,0,0,0,0,0,0,0,foobar,field-and-tags-conflict-attempt
 stream,2,rawvideo,unknown,video,1/51200,RGB[24],0x18424752,100,100,0,1:1,1:1,rgb24,-99,N/A,N/A,25/1,25/1,1/51200,0,0.000000,N/A,N/A,N/A,N/A,4,4,0,0,0,0,0,0,0,0,0,0,0
-format,tests/data/ffprobe-test.nut,3,nut,0.000000,0.120000,1054812,70320800,ffprobe test file,"'A comment with CSV, XML & JSON special chars': <tag value=""x"">",I ♥ Üñîçød€
+format,tests/data/ffprobe-test.nut,3,0,nut,0.000000,0.120000,1054812,70320800,ffprobe test file,"'A comment with CSV, XML & JSON special chars': <tag value=""x"">",I ♥ Üñîçød€
index 9f523fd..f56bd8d 100644 (file)
@@ -602,6 +602,7 @@ DISPOSITION:attached_pic=0
 [FORMAT]
 filename=tests/data/ffprobe-test.nut
 nb_streams=3
+nb_programs=0
 format_name=nut
 start_time=0.000000
 duration=0.120000
index c08ca0f..7cb9c3e 100644 (file)
@@ -539,6 +539,7 @@ streams.stream.2.disposition.clean_effects=0
 streams.stream.2.disposition.attached_pic=0
 format.filename="tests/data/ffprobe-test.nut"
 format.nb_streams=3
+format.nb_programs=0
 format.format_name="nut"
 format.start_time="0.000000"
 format.duration="0.120000"
index 1bc46d0..c0254dc 100644 (file)
@@ -614,6 +614,7 @@ attached_pic=0
 [format]
 filename=tests/data/ffprobe-test.nut
 nb_streams=3
+nb_programs=0
 format_name=nut
 start_time=0.000000
 duration=0.120000
index fc3d22e..ee5ddb9 100644 (file)
     "format": {
         "filename": "tests/data/ffprobe-test.nut",
         "nb_streams": 3,
+        "nb_programs": 0,
         "format_name": "nut",
         "start_time": "0.000000",
         "duration": "0.120000",
index 1f2715a..410f250 100644 (file)
@@ -46,7 +46,7 @@
         </stream>
     </streams>
 
-    <format filename="tests/data/ffprobe-test.nut" nb_streams="3" format_name="nut" start_time="0.000000" duration="0.120000" size="1054812" bit_rate="70320800">
+    <format filename="tests/data/ffprobe-test.nut" nb_streams="3" nb_programs="0" format_name="nut" start_time="0.000000" duration="0.120000" size="1054812" bit_rate="70320800">
         <tag key="title" value="ffprobe test file"/>
         <tag key="comment" value="&apos;A comment with CSV, XML &amp; JSON special chars&apos;: &lt;tag value=&quot;x&quot;&gt;"/>
         <tag key="comment2" value="I ♥ Üñîçød€"/>