[FFmpeg-devel] [PATCH 1/2 v2] fftools/ffprobe: export Tile Grid Stream Group parameters

James Almer jamrial at gmail.com
Thu Mar 7 19:52:38 EET 2024


On 3/7/2024 1:17 PM, Stefano Sabatini wrote:
> On date Wednesday 2024-03-06 21:49:51 -0300, James Almer wrote:
>> Signed-off-by: James Almer <jamrial at gmail.com>
>> ---
>>   fftools/ffprobe.c                             | 53 ++++++++++++++++---
>>   tests/fate/mov.mak                            |  6 +--
>>   .../ref/fate/mov-heic-demux-still-image-grid  | 29 ++++++++++
>>   .../ref/fate/mov-heic-demux-still-image-iovl  | 19 +++++++
>>   .../fate/mov-heic-demux-still-image-iovl-2    | 19 +++++++
>>   5 files changed, 115 insertions(+), 11 deletions(-)
>>
>> diff --git a/fftools/ffprobe.c b/fftools/ffprobe.c
>> index 4d4a85b5b0..c2ed8336f9 100644
>> --- a/fftools/ffprobe.c
>> +++ b/fftools/ffprobe.c
>> @@ -113,6 +113,7 @@ static int do_show_frames  = 0;
>>   static int do_show_packets = 0;
>>   static int do_show_programs = 0;
>>   static int do_show_stream_groups = 0;
>> +static int do_show_stream_group_components = 0;
>>   static int do_show_streams = 0;
>>   static int do_show_stream_disposition = 0;
>>   static int do_show_stream_group_disposition = 0;
>> @@ -209,6 +210,10 @@ typedef enum {
>>       SECTION_ID_STREAM_GROUP_STREAM_DISPOSITION,
>>       SECTION_ID_STREAM_GROUP_STREAM_TAGS,
>>       SECTION_ID_STREAM_GROUP,
>> +    SECTION_ID_STREAM_GROUP_COMPONENTS,
>> +    SECTION_ID_STREAM_GROUP_COMPONENT,
>> +    SECTION_ID_STREAM_GROUP_SUB_COMPONENTS,
>> +    SECTION_ID_STREAM_GROUP_SUB_COMPONENT,
>>       SECTION_ID_STREAM_GROUP_STREAMS,
>>       SECTION_ID_STREAM_GROUP_STREAM,
>>       SECTION_ID_STREAM_GROUP_DISPOSITION,
>> @@ -309,7 +314,11 @@ static struct section sections[] = {
>>       [SECTION_ID_PROGRAMS] =                   { SECTION_ID_PROGRAMS, "programs", SECTION_FLAG_IS_ARRAY, { SECTION_ID_PROGRAM, -1 } },
>>       [SECTION_ID_STREAM_GROUP_STREAM_DISPOSITION] = { SECTION_ID_STREAM_GROUP_STREAM_DISPOSITION, "disposition", 0, { -1 }, .unique_name = "stream_group_stream_disposition" },
>>       [SECTION_ID_STREAM_GROUP_STREAM_TAGS] =        { SECTION_ID_STREAM_GROUP_STREAM_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "stream_group_stream_tags" },
>> -    [SECTION_ID_STREAM_GROUP] =                    { SECTION_ID_STREAM_GROUP, "stream_group", SECTION_FLAG_HAS_TYPE, { SECTION_ID_STREAM_GROUP_TAGS, SECTION_ID_STREAM_GROUP_DISPOSITION, SECTION_ID_STREAM_GROUP_STREAMS, -1 }, .get_type = get_stream_group_type },
>> +    [SECTION_ID_STREAM_GROUP] =                    { SECTION_ID_STREAM_GROUP, "stream_group", 0, { SECTION_ID_STREAM_GROUP_TAGS, SECTION_ID_STREAM_GROUP_DISPOSITION, SECTION_ID_STREAM_GROUP_COMPONENTS, SECTION_ID_STREAM_GROUP_STREAMS, -1 } },
>> +    [SECTION_ID_STREAM_GROUP_COMPONENTS] =         { SECTION_ID_STREAM_GROUP_COMPONENTS, "components", SECTION_FLAG_IS_ARRAY, { SECTION_ID_STREAM_GROUP_COMPONENT, -1 }, .element_name = "component", .unique_name = "stream_group_components" },
>> +    [SECTION_ID_STREAM_GROUP_COMPONENT] =          { SECTION_ID_STREAM_GROUP_COMPONENT, "component", SECTION_FLAG_HAS_VARIABLE_FIELDS|SECTION_FLAG_HAS_TYPE, { SECTION_ID_STREAM_GROUP_SUB_COMPONENTS, -1 }, .unique_name = "stream_group_component", .element_name = "component_entry", .get_type = get_stream_group_type },
> 
>> +    [SECTION_ID_STREAM_GROUP_SUB_COMPONENTS] =     { SECTION_ID_STREAM_GROUP_SUB_COMPONENTS, "subcomponents", SECTION_FLAG_IS_ARRAY, { SECTION_ID_STREAM_GROUP_SUB_COMPONENT, -1 }, .element_name = "component" },
>> +    [SECTION_ID_STREAM_GROUP_SUB_COMPONENT] =      { SECTION_ID_STREAM_GROUP_SUB_COMPONENT, "subcomponent", SECTION_FLAG_HAS_VARIABLE_FIELDS|SECTION_FLAG_HAS_TYPE, { -1 }, .element_name = "sub_component_entry", .get_type = get_raw_string_type },
> 
> consistency: subcomponent or sub_component (probably I'd go with
> SUBCOMPONENT/subcomponent everywhere).

Ok.

> 
>>       [SECTION_ID_STREAM_GROUP_STREAMS] =            { SECTION_ID_STREAM_GROUP_STREAMS, "streams", SECTION_FLAG_IS_ARRAY, { SECTION_ID_STREAM_GROUP_STREAM, -1 }, .unique_name = "stream_group_streams" },
>>       [SECTION_ID_STREAM_GROUP_STREAM] =             { SECTION_ID_STREAM_GROUP_STREAM, "stream", 0, { SECTION_ID_STREAM_GROUP_STREAM_DISPOSITION, SECTION_ID_STREAM_GROUP_STREAM_TAGS, -1 }, .unique_name = "stream_group_stream" },
>>       [SECTION_ID_STREAM_GROUP_DISPOSITION] =        { SECTION_ID_STREAM_GROUP_DISPOSITION, "disposition", 0, { -1 }, .unique_name = "stream_group_disposition" },
>> @@ -3385,13 +3394,35 @@ static int show_programs(WriterContext *w, InputFile *ifile)
>>       return ret;
>>   }
>>   
>> +static void print_tile_grid_params(WriterContext *w, const AVStreamGroup *stg,
>> +                                   const AVStreamGroupTileGrid *tile_grid)
>> +{
>> +    writer_print_section_header(w, stg, SECTION_ID_STREAM_GROUP_COMPONENT);
>> +    print_int("nb_tiles",          tile_grid->nb_tiles);
>> +    print_int("coded_width",       tile_grid->coded_width);
>> +    print_int("coded_height",      tile_grid->coded_height);
>> +    print_int("horizontal_offset", tile_grid->horizontal_offset);
>> +    print_int("vertical_offset",   tile_grid->vertical_offset);
>> +    print_int("width",             tile_grid->width);
>> +    print_int("height",            tile_grid->height);
>> +    writer_print_section_header(w, NULL, SECTION_ID_STREAM_GROUP_SUB_COMPONENTS);
>> +    for (int i = 0; i < tile_grid->nb_tiles; i++) {
>> +        writer_print_section_header(w, "tile_offset", SECTION_ID_STREAM_GROUP_SUB_COMPONENT);
>> +        print_int("stream_index",           tile_grid->offsets[i].idx);
>> +        print_int("tile_horizontal_offset", tile_grid->offsets[i].horizontal);
>> +        print_int("tile_vertical_offset",   tile_grid->offsets[i].vertical);
>> +        writer_print_section_footer(w);
>> +    }
>> +    writer_print_section_footer(w);
>> +    writer_print_section_footer(w);
>> +}
>> +
>>   static void print_stream_group_params(WriterContext *w, AVStreamGroup *stg)
>>   {
>> -    const char *unknown = "unknown";
>> -    if (stg->type != AV_STREAM_GROUP_PARAMS_NONE)
>> -        print_str("type", av_x_if_null(avformat_stream_group_name(stg->type), unknown));
>> -    else
>> -        print_str_opt("type", unknown);
>> +    writer_print_section_header(w, NULL, SECTION_ID_STREAM_GROUP_COMPONENTS);
>> +    if (stg->type == AV_STREAM_GROUP_PARAMS_TILE_GRID)
>> +        print_tile_grid_params(w, stg, stg->params.tile_grid);
>> +    writer_print_section_footer(w); // SECTION_ID_STREAM_GROUP_COMPONENTS
>>   }
>>   
>>   static int show_stream_group(WriterContext *w, InputFile *ifile, AVStreamGroup *stg)
>> @@ -3401,12 +3432,17 @@ static int show_stream_group(WriterContext *w, InputFile *ifile, AVStreamGroup *
>>       int i, ret = 0;
>>   
>>       av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
>> -    writer_print_section_header(w, stg, SECTION_ID_STREAM_GROUP);
>> +    writer_print_section_header(w, NULL, SECTION_ID_STREAM_GROUP);
>>       print_int("index", stg->index);
>>       if (fmt_ctx->iformat->flags & AVFMT_SHOW_IDS) print_fmt    ("id", "0x%"PRIx64, stg->id);
>>       else                                          print_str_opt("id", "N/A");
>>       print_int("nb_streams", stg->nb_streams);
>> -    print_stream_group_params(w, stg);
>> +    if (stg->type != AV_STREAM_GROUP_PARAMS_NONE)
>> +        print_str("type", av_x_if_null(avformat_stream_group_name(stg->type), "unknown"));
>> +    else
>> +        print_str_opt("type", "unknown");
>> +    if (do_show_stream_group_components)
>> +        print_stream_group_params(w, stg);
>>   
>>       /* Print disposition information */
>>       if (do_show_stream_group_disposition)
>> @@ -4333,6 +4369,7 @@ int main(int argc, char **argv)
>>       SET_DO_SHOW(PROGRAMS, programs);
>>       SET_DO_SHOW(STREAM_GROUP_DISPOSITION, stream_group_disposition);
>>       SET_DO_SHOW(STREAM_GROUPS, stream_groups);
>> +    SET_DO_SHOW(STREAM_GROUP_COMPONENTS, stream_group_components);
>>       SET_DO_SHOW(STREAMS, streams);
>>       SET_DO_SHOW(STREAM_DISPOSITION, stream_disposition);
>>       SET_DO_SHOW(PROGRAM_STREAM_DISPOSITION, stream_disposition);
>> diff --git a/tests/fate/mov.mak b/tests/fate/mov.mak
>> index 49077ecfb3..6dc5b5f5af 100644
>> --- a/tests/fate/mov.mak
>> +++ b/tests/fate/mov.mak
>> @@ -166,19 +166,19 @@ fate-mov-heic-demux-still-image-multiple-items: CMD = framecrc -i $(TARGET_SAMPL
>>   FATE_MOV_FFMPEG_FFPROBE_SAMPLES-$(call DEMMUX, MOV, FRAMECRC, HEVC_DECODER HEVC_PARSER) \
>>                              += fate-mov-heic-demux-still-image-grid
>>   fate-mov-heic-demux-still-image-grid: CMD = stream_demux mov $(TARGET_SAMPLES)/heif-conformance/C007.heic "" "-c:v copy -map 0:g:0" \
>> -  "-show_entries stream_group=index,id,nb_streams,type:stream_group_disposition:stream_group_tags:stream_group_stream=index,id:stream_group_stream_disposition"
>> +  "-show_entries stream_group=index,id,nb_streams,type:stream_group_components:stream_group_disposition:stream_group_tags:stream_group_stream=index,id:stream_group_stream_disposition"
>>   
>>   # heic demuxing - still image with multiple items in an overlay canvas.
>>   FATE_MOV_FFMPEG_FFPROBE_SAMPLES-$(call DEMMUX, MOV, FRAMECRC, HEVC_DECODER HEVC_PARSER) \
>>                              += fate-mov-heic-demux-still-image-iovl
>>   fate-mov-heic-demux-still-image-iovl: CMD = stream_demux mov $(TARGET_SAMPLES)/heif-conformance/C015.heic "" "-c:v copy -map 0:g:0" \
>> -  "-show_entries stream_group=index,id,nb_streams,type:stream_group_disposition:stream_group_tags:stream_group_stream=index,id:stream_group_stream_disposition"
>> +  "-show_entries stream_group=index,id,nb_streams,type:stream_group_components:stream_group_disposition:stream_group_tags:stream_group_stream=index,id:stream_group_stream_disposition"
>>   
>>   # heic demuxing - still image where one image item is placed twice on an overlay canvas.
>>   FATE_MOV_FFMPEG_FFPROBE_SAMPLES-$(call DEMMUX, MOV, FRAMECRC, HEVC_DECODER HEVC_PARSER) \
>>                              += fate-mov-heic-demux-still-image-iovl-2
>>   fate-mov-heic-demux-still-image-iovl-2: CMD = stream_demux mov $(TARGET_SAMPLES)/heif-conformance/C021.heic "" "-c:v copy -map 0:g:0" \
>> -  "-show_entries stream_group=index,id,nb_streams,type:stream_group_disposition:stream_group_tags:stream_group_stream=index,id:stream_group_stream_disposition"
> 
>> +  "-show_entries stream_group=index,id,nb_streams,type:stream_group_components:stream_group_disposition:stream_group_tags:stream_group_stream=index,id:stream_group_stream_disposition"
> 
> nit++, unrelated: might this be factorized?

Sure.

> 
>>   
>>   # Resulting remux should have:
>>   # 1. first audio stream with AV_DISPOSITION_HEARING_IMPAIRED
>> diff --git a/tests/ref/fate/mov-heic-demux-still-image-grid b/tests/ref/fate/mov-heic-demux-still-image-grid
>> index b15ce91e1a..d8dfccea8f 100644
>> --- a/tests/ref/fate/mov-heic-demux-still-image-grid
>> +++ b/tests/ref/fate/mov-heic-demux-still-image-grid
>> @@ -31,6 +31,35 @@ index=0
>>   id=0x3f1
>>   nb_streams=4
>>   type=Tile Grid
>> +[COMPONENT]
>> +nb_tiles=4
>> +coded_width=2560
>> +coded_height=1440
>> +horizontal_offset=0
>> +vertical_offset=0
>> +width=2560
>> +height=1440
>> +[SUBCOMPONENT]
>> +stream_index=0
>> +tile_horizontal_offset=0
>> +tile_vertical_offset=0
>> +[/SUBCOMPONENT]
>> +[SUBCOMPONENT]
>> +stream_index=1
>> +tile_horizontal_offset=1280
>> +tile_vertical_offset=0
>> +[/SUBCOMPONENT]
>> +[SUBCOMPONENT]
>> +stream_index=2
>> +tile_horizontal_offset=0
>> +tile_vertical_offset=720
>> +[/SUBCOMPONENT]
>> +[SUBCOMPONENT]
>> +stream_index=3
>> +tile_horizontal_offset=1280
>> +tile_vertical_offset=720
>> +[/SUBCOMPONENT]
>> +[/COMPONENT]
>>   DISPOSITION:default=1
>>   DISPOSITION:dub=0
>>   DISPOSITION:original=0
>> diff --git a/tests/ref/fate/mov-heic-demux-still-image-iovl b/tests/ref/fate/mov-heic-demux-still-image-iovl
>> index 113b251c00..2b211267a4 100644
>> --- a/tests/ref/fate/mov-heic-demux-still-image-iovl
>> +++ b/tests/ref/fate/mov-heic-demux-still-image-iovl
>> @@ -17,6 +17,25 @@ index=0
>>   id=0x3ee
>>   nb_streams=2
>>   type=Tile Grid
>> +[COMPONENT]
>> +nb_tiles=2
>> +coded_width=1440
>> +coded_height=960
>> +horizontal_offset=0
>> +vertical_offset=0
>> +width=1440
>> +height=960
> 
>> +[SUBCOMPONENT]
>> +stream_index=0
>> +tile_horizontal_offset=0
>> +tile_vertical_offset=0
>> +[/SUBCOMPONENT]
>> +[SUBCOMPONENT]
>> +stream_index=1
>> +tile_horizontal_offset=160
>> +tile_vertical_offset=240
>> +[/SUBCOMPONENT]
> 
> I wonder if this should also show a type, to simplify
> parsing/processing (especially for the JSON/XML output).

It does, just not as an item but as a property of the section, so it's 
not reflected in the default output, only xml/json and such like you 
said, e.g <component type="IAMF Mix Presentation">, <subcomponent 
type="IAMF Submix">, <piece type="IAMF Submix Element">.

> 
> [...]
> 
> Looks good to me otherwise, thanks.
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