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From: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
To: ffmpeg-devel@ffmpeg.org
Subject: Re: [FFmpeg-devel] [PATCH v3] avcodec/vaapi_encode_h26x: passthrough A53 CC data as H264/HEVC SEI
Date: Fri, 6 Jan 2023 20:02:31 +0100
Message-ID: <AS8P250MB0744F798459D746D481A446B8FFB9@AS8P250MB0744.EURP250.PROD.OUTLOOK.COM> (raw)
In-Reply-To: <pull.46.v3.ffstaging.FFmpeg.1673026884566.ffmpegagent@gmail.com>

Aman Karmani:
> From: Aman Karmani <aman@tmm1.net>
> 
> Signed-off-by: Aman Karmani <aman@tmm1.net>
> ---
>     avcodec/vaapi_encode_h26x: passthrough A53 CC data as H264/HEVC SEI
>     
>     v3: fix build failure v2: add control via sei parameter
> 
> Published-As: https://github.com/ffstaging/FFmpeg/releases/tag/pr-ffstaging-46%2Ftmm1%2Fvaapi-a53cc-v3
> Fetch-It-Via: git fetch https://github.com/ffstaging/FFmpeg pr-ffstaging-46/tmm1/vaapi-a53cc-v3
> Pull-Request: https://github.com/ffstaging/FFmpeg/pull/46
> 
> Range-diff vs v2:
> 
>  1:  9a2fee07a9 ! 1:  149fa8e61c avcodec/vaapi_encode_h26x: passthrough A53 CC data as H264/HEVC SEI
>      @@ libavcodec/vaapi_encode_h264.c: static const AVOption vaapi_encode_h264_options[
>            { "recovery_point", "Include recovery points where appropriate",
>              0, AV_OPT_TYPE_CONST, { .i64 = SEI_RECOVERY_POINT },
>              INT_MIN, INT_MAX, FLAGS, "sei" },
>      -+    { "a53_cc", "Include A/53 caption data"
>      ++    { "a53_cc", "Include A/53 caption data",
>       +      0, AV_OPT_TYPE_CONST, { .i64 = SEI_A53_CC },
>       +      INT_MIN, INT_MAX, FLAGS, "sei" },
>        
>      @@ libavcodec/vaapi_encode_h265.c: static const AVOption vaapi_encode_h265_options[
>              { .i64 = SEI_MASTERING_DISPLAY | SEI_CONTENT_LIGHT_LEVEL },
>              INT_MIN, INT_MAX, FLAGS, "sei" },
>       +    { "a53_cc",
>      -+      "Include A/53 caption data"
>      ++      "Include A/53 caption data",
>       +      0, AV_OPT_TYPE_CONST,
>       +      { .i64 = SEI_A53_CC },
>       +      INT_MIN, INT_MAX, FLAGS, "sei" },
> 
> 
>  libavcodec/vaapi_encode_h264.c | 33 +++++++++++++++++++++++++++++++-
>  libavcodec/vaapi_encode_h265.c | 35 +++++++++++++++++++++++++++++++++-
>  2 files changed, 66 insertions(+), 2 deletions(-)
> 
> diff --git a/libavcodec/vaapi_encode_h264.c b/libavcodec/vaapi_encode_h264.c
> index b1b503b2a6..9f9d77a0e9 100644
> --- a/libavcodec/vaapi_encode_h264.c
> +++ b/libavcodec/vaapi_encode_h264.c
> @@ -26,6 +26,7 @@
>  #include "libavutil/internal.h"
>  #include "libavutil/opt.h"
>  
> +#include "atsc_a53.h"
>  #include "avcodec.h"
>  #include "cbs.h"
>  #include "cbs_h264.h"
> @@ -40,6 +41,7 @@ enum {
>      SEI_TIMING         = 0x01,
>      SEI_IDENTIFIER     = 0x02,
>      SEI_RECOVERY_POINT = 0x04,
> +    SEI_A53_CC         = 0x08,
>  };
>  
>  // Random (version 4) ISO 11578 UUID.
> @@ -98,6 +100,8 @@ typedef struct VAAPIEncodeH264Context {
>      H264RawSEIRecoveryPoint        sei_recovery_point;
>      SEIRawUserDataUnregistered     sei_identifier;
>      char                          *sei_identifier_string;
> +    SEIRawUserDataRegistered       sei_a53cc;
> +    void                          *sei_a53cc_data;
>  
>      int aud_needed;
>      int sei_needed;
> @@ -248,6 +252,13 @@ static int vaapi_encode_h264_write_extra_header(AVCodecContext *avctx,
>              if (err < 0)
>                  goto fail;
>          }
> +        if (priv->sei_needed & SEI_A53_CC) {
> +            err = ff_cbs_sei_add_message(priv->cbc, au, 1,
> +                                         SEI_TYPE_USER_DATA_REGISTERED_ITU_T_T35,
> +                                         &priv->sei_a53cc, NULL);
> +            if (err < 0)
> +                goto fail;
> +        }
>  
>          priv->sei_needed = 0;
>  
> @@ -681,6 +692,22 @@ static int vaapi_encode_h264_init_picture_params(AVCodecContext *avctx,
>          priv->sei_needed |= SEI_RECOVERY_POINT;
>      }
>  
> +    if (priv->sei & SEI_A53_CC) {
> +        int err;
> +        size_t sei_a53cc_len;
> +        av_freep(&priv->sei_a53cc_data);
> +        err = ff_alloc_a53_sei(pic->input_image, 0, &priv->sei_a53cc_data, &sei_a53cc_len);
> +        if (err < 0)
> +            return err;
> +        if (priv->sei_a53cc_data != NULL) {
> +            priv->sei_a53cc.itu_t_t35_country_code = 181;
> +            priv->sei_a53cc.data = (uint8_t *)priv->sei_a53cc_data + 1;
> +            priv->sei_a53cc.data_length = sei_a53cc_len - 1;
> +
> +            priv->sei_needed |= SEI_A53_CC;
> +        }
> +    }
> +
>      vpic->CurrPic = (VAPictureH264) {
>          .picture_id          = pic->recon_surface,
>          .frame_idx           = hpic->frame_num,
> @@ -1226,6 +1253,7 @@ static av_cold int vaapi_encode_h264_close(AVCodecContext *avctx)
>      ff_cbs_fragment_free(&priv->current_access_unit);
>      ff_cbs_close(&priv->cbc);
>      av_freep(&priv->sei_identifier_string);
> +    av_freep(&priv->sei_a53cc_data);
>  
>      return ff_vaapi_encode_close(avctx);
>  }
> @@ -1252,7 +1280,7 @@ static const AVOption vaapi_encode_h264_options[] = {
>  
>      { "sei", "Set SEI to include",
>        OFFSET(sei), AV_OPT_TYPE_FLAGS,
> -      { .i64 = SEI_IDENTIFIER | SEI_TIMING | SEI_RECOVERY_POINT },
> +      { .i64 = SEI_IDENTIFIER | SEI_TIMING | SEI_RECOVERY_POINT | SEI_A53_CC },
>        0, INT_MAX, FLAGS, "sei" },
>      { "identifier", "Include encoder version identifier",
>        0, AV_OPT_TYPE_CONST, { .i64 = SEI_IDENTIFIER },
> @@ -1263,6 +1291,9 @@ static const AVOption vaapi_encode_h264_options[] = {
>      { "recovery_point", "Include recovery points where appropriate",
>        0, AV_OPT_TYPE_CONST, { .i64 = SEI_RECOVERY_POINT },
>        INT_MIN, INT_MAX, FLAGS, "sei" },
> +    { "a53_cc", "Include A/53 caption data",
> +      0, AV_OPT_TYPE_CONST, { .i64 = SEI_A53_CC },
> +      INT_MIN, INT_MAX, FLAGS, "sei" },
>  
>      { "profile", "Set profile (profile_idc and constraint_set*_flag)",
>        OFFSET(profile), AV_OPT_TYPE_INT,
> diff --git a/libavcodec/vaapi_encode_h265.c b/libavcodec/vaapi_encode_h265.c
> index 94b56c6578..f5b85cef6f 100644
> --- a/libavcodec/vaapi_encode_h265.c
> +++ b/libavcodec/vaapi_encode_h265.c
> @@ -27,6 +27,7 @@
>  #include "libavutil/opt.h"
>  #include "libavutil/mastering_display_metadata.h"
>  
> +#include "atsc_a53.h"
>  #include "avcodec.h"
>  #include "cbs.h"
>  #include "cbs_h265.h"
> @@ -40,6 +41,7 @@
>  enum {
>      SEI_MASTERING_DISPLAY       = 0x08,
>      SEI_CONTENT_LIGHT_LEVEL     = 0x10,
> +    SEI_A53_CC                  = 0x20,
>  };
>  
>  typedef struct VAAPIEncodeH265Picture {
> @@ -84,6 +86,8 @@ typedef struct VAAPIEncodeH265Context {
>  
>      SEIRawMasteringDisplayColourVolume sei_mastering_display;
>      SEIRawContentLightLevelInfo        sei_content_light_level;
> +    SEIRawUserDataRegistered           sei_a53cc;
> +    void                              *sei_a53cc_data;
>  
>      CodedBitstreamContext *cbc;
>      CodedBitstreamFragment current_access_unit;
> @@ -226,6 +230,13 @@ static int vaapi_encode_h265_write_extra_header(AVCodecContext *avctx,
>              if (err < 0)
>                  goto fail;
>          }
> +        if (priv->sei_needed & SEI_A53_CC) {
> +            err = ff_cbs_sei_add_message(priv->cbc, au, 1,
> +                                         SEI_TYPE_USER_DATA_REGISTERED_ITU_T_T35,
> +                                         &priv->sei_a53cc, NULL);
> +            if (err < 0)
> +                goto fail;
> +        }
>  
>          priv->sei_needed = 0;
>  
> @@ -888,6 +899,22 @@ static int vaapi_encode_h265_init_picture_params(AVCodecContext *avctx,
>          }
>      }
>  
> +    if (priv->sei & SEI_A53_CC) {
> +        int err;
> +        size_t sei_a53cc_len;
> +        av_freep(&priv->sei_a53cc_data);
> +        err = ff_alloc_a53_sei(pic->input_image, 0, &priv->sei_a53cc_data, &sei_a53cc_len);
> +        if (err < 0)
> +            return err;
> +        if (priv->sei_a53cc_data != NULL) {
> +            priv->sei_a53cc.itu_t_t35_country_code = 181;
> +            priv->sei_a53cc.data = (uint8_t *)priv->sei_a53cc_data + 1;
> +            priv->sei_a53cc.data_length = sei_a53cc_len - 1;
> +
> +            priv->sei_needed |= SEI_A53_CC;
> +        }
> +    }
> +
>      vpic->decoded_curr_pic = (VAPictureHEVC) {
>          .picture_id    = pic->recon_surface,
>          .pic_order_cnt = hpic->pic_order_cnt,
> @@ -1355,6 +1382,7 @@ static av_cold int vaapi_encode_h265_close(AVCodecContext *avctx)
>  
>      ff_cbs_fragment_free(&priv->current_access_unit);
>      ff_cbs_close(&priv->cbc);
> +    av_freep(&priv->sei_a53cc_data);
>  
>      return ff_vaapi_encode_close(avctx);
>  }
> @@ -1413,7 +1441,7 @@ static const AVOption vaapi_encode_h265_options[] = {
>  
>      { "sei", "Set SEI to include",
>        OFFSET(sei), AV_OPT_TYPE_FLAGS,
> -      { .i64 = SEI_MASTERING_DISPLAY | SEI_CONTENT_LIGHT_LEVEL },
> +      { .i64 = SEI_MASTERING_DISPLAY | SEI_CONTENT_LIGHT_LEVEL | SEI_A53_CC },
>        0, INT_MAX, FLAGS, "sei" },
>      { "hdr",
>        "Include HDR metadata for mastering display colour volume "
> @@ -1421,6 +1449,11 @@ static const AVOption vaapi_encode_h265_options[] = {
>        0, AV_OPT_TYPE_CONST,
>        { .i64 = SEI_MASTERING_DISPLAY | SEI_CONTENT_LIGHT_LEVEL },
>        INT_MIN, INT_MAX, FLAGS, "sei" },
> +    { "a53_cc",
> +      "Include A/53 caption data",
> +      0, AV_OPT_TYPE_CONST,
> +      { .i64 = SEI_A53_CC },
> +      INT_MIN, INT_MAX, FLAGS, "sei" },
>  
>      { "tiles", "Tile columns x rows",
>        OFFSET(common.tile_cols), AV_OPT_TYPE_IMAGE_SIZE,
> 
> base-commit: 3bcec58535d395945a390bdc7af4048a7abc60eb

1. You are repeating yourself in this patch.
2. You forgot to add the necessary atsc_a53 configure dependencies.

- Andreas

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  reply	other threads:[~2023-01-06 19:02 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-01-02 19:32 [FFmpeg-devel] [PATCH] " Aman Karmani
2023-01-05  8:46 ` Xiang, Haihao
2023-01-06 17:15 ` [FFmpeg-devel] [PATCH v2] " Aman Karmani
2023-01-06 17:41   ` [FFmpeg-devel] [PATCH v3] " Aman Karmani
2023-01-06 19:02     ` Andreas Rheinhardt [this message]
2023-01-09 18:40     ` [FFmpeg-devel] [PATCH v4] " Aman Karmani
2023-01-16  4:10       ` Xiang, Haihao

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