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From: Stefano Sabatini <stefasab@gmail.com>
To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org>
Subject: Re: [FFmpeg-devel] [PATCH 1/2 v2] fftools/ffprobe: export Tile Grid Stream Group parameters
Date: Thu, 7 Mar 2024 17:17:06 +0100
Message-ID: <Zenogu8O+kVM1WY9@mariano> (raw)
In-Reply-To: <20240307004952.9417-1-jamrial@gmail.com>

On date Wednesday 2024-03-06 21:49:51 -0300, James Almer wrote:
> Signed-off-by: James Almer <jamrial@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).

>      [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?

>  
>  # 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).

[...]

Looks good to me otherwise, thanks.
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  parent reply	other threads:[~2024-03-07 16:17 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-03-07  0:49 James Almer
2024-03-07  0:49 ` [FFmpeg-devel] [PATCH 2/2] fftools/ffprobe: export IAMF " James Almer
2024-03-07 16:45   ` Stefano Sabatini
2024-03-07 17:49     ` James Almer
2024-03-07 16:17 ` Stefano Sabatini [this message]
2024-03-07 16:46   ` [FFmpeg-devel] [PATCH 1/2 v2] fftools/ffprobe: export Tile Grid " Stefano Sabatini
2024-03-07 17:53     ` James Almer
2024-03-07 17:52   ` James Almer

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