Hi,

On Mon, Dec 14, 2020 at 11:54 AM Wonkap Jang <won...@google.com> wrote:
>
>
>
> On Mon, Dec 7, 2020 at 11:57 PM Wonkap Jang <won...@google.com> wrote:
>>
>> ---
>>  doc/encoders.texi      | 32 +++++++++++++++++
>>  libavcodec/libvpxenc.c | 79 ++++++++++++++++++++++++++++++++++++++++++
>>  2 files changed, 111 insertions(+)
>>

Sorry I missed this when scanning the subjects. Please update the
commit message so it has a short 1 one line subject [1].

[1] 
https://git-scm.com/book/en/v2/Distributed-Git-Contributing-to-a-Project#_commit_guidelines

>> diff --git a/doc/encoders.texi b/doc/encoders.texi
>> index 0b1c69e982..aa3a2221b6 100644
>> --- a/doc/encoders.texi
>> +++ b/doc/encoders.texi
>> @@ -2129,6 +2129,38 @@ midpoint is passed in rather than calculated for a 
>> specific clip or chunk.
>>  The valid range is [0, 10000]. 0 (default) uses standard VBR.
>>  @item enable-tpl @var{boolean}
>>  Enable temporal dependency model.
>> +@item ref-frame-config
>> +Using per-frame metadata, set members of the structure 
>> @code{vpx_svc_ref_frame_config_t} in @code{vpx/vp8cx.h} to fine-control 
>> referencing schemes and frame buffer management.
>> +@*Use a :-separated list of key=value pairs.
>> +For example,
>> +@example
>> +av_dict_set(&av_frame->metadata, "ref-frame-config", \
>> +"rfc_update_buffer_slot=7:rfc_lst_fb_idx=0:rfc_gld_fb_idx=1:rfc_alt_fb_idx=2:rfc_reference_last=0:rfc_reference_golden=0:rfc_reference_alt_ref=0");}
>> +@end example
>> +@table @option
>> +@item rfc_update_buffer_slot
>> +Indicates the buffer slot number to update
>> +@item rfc_update_last
>> +Indicates whether to update the LAST frame
>> +@item rfc_update_golden
>> +Indicates whether to update GOLDEN frame
>> +@item rfc_update_alt_ref
>> +Indicates whether to update ALT_REF frame
>> +@item rfc_lst_fb_idx
>> +LAST frame buffer index
>> +@item rfc_gld_fb_idx
>> +GOLDEN frame buffer index
>> +@item rfc_alt_fb_idx
>> +ALT_REF frame buffer index
>> +@item rfc_reference_last
>> +Indicates whetehr to reference LAST frame
>> +@item rfc_reference_golden
>> +Indicates whether to reference GOLDEN frame
>> +@item rfc_reference_alt_ref
>> +Indicates whether to reference ALT_REF frame
>> +@item rfc_reference_duration
>> +Indicates frame duration
>> +@end table
>>  @end table
>>
>>  @end table
>> diff --git a/libavcodec/libvpxenc.c b/libavcodec/libvpxenc.c
>> index a7c76eb835..345c71cd22 100644
>> --- a/libavcodec/libvpxenc.c
>> +++ b/libavcodec/libvpxenc.c
>> @@ -125,6 +125,11 @@ typedef struct VPxEncoderContext {
>>       * encounter a frame with ROI side data.
>>       */
>>      int roi_warned;
>> +
>> +#if CONFIG_LIBVPX_VP9_ENCODER && defined 
>> (VPX_CTRL_VP9E_SET_MAX_INTER_BITRATE_PCT)

It would be better to just check the ABI version in this case since
it's a little confusing to use an unrelated control in the check.

>> +    vpx_svc_ref_frame_config_t ref_frame_config;
>> +    AVDictionary *vpx_ref_frame_config;
>> +#endif
>>  } VPxContext;
>>
>>  /** String mappings for enum vp8e_enc_control_id */
>> @@ -152,6 +157,9 @@ static const char *const ctlidstr[] = {
>>      [VP9E_SET_SVC_LAYER_ID]            = "VP9E_SET_SVC_LAYER_ID",
>>  #if VPX_ENCODER_ABI_VERSION >= 12
>>      [VP9E_SET_SVC_PARAMETERS]          = "VP9E_SET_SVC_PARAMETERS",
>> +#if defined (VPX_CTRL_VP9E_SET_MAX_INTER_BITRATE_PCT)
>> +    [VP9E_SET_SVC_REF_FRAME_CONFIG]    = "VP9E_SET_SVC_REF_FRAME_CONFIG",
>> +#endif
>>  #endif
>>      [VP9E_SET_SVC]                     = "VP9E_SET_SVC",
>>  #if VPX_ENCODER_ABI_VERSION >= 11
>> @@ -394,6 +402,18 @@ static void vp8_ts_parse_int_array(int *dest, char 
>> *value, size_t value_len, int
>>      }
>>  }
>>
>> +static void vp8_ts_parse_int64_array(int64_t *dest, char *value, size_t 
>> value_len, int max_entries)
>> +{
>> +    int dest_idx = 0;
>> +    char *saveptr = NULL;
>> +    char *token = av_strtok(value, ",", &saveptr);
>> +
>> +    while (token && dest_idx < max_entries) {
>> +        dest[dest_idx++] = strtoull(token, NULL, 10);
>> +        token = av_strtok(NULL, ",", &saveptr);
>> +    }
>> +}
>> +
>>  static void set_temporal_layer_pattern(int layering_mode, 
>> vpx_codec_enc_cfg_t *cfg,
>>                                         int *layer_flags, int 
>> *flag_periodicity)
>>  {
>> @@ -541,6 +561,48 @@ static int vpx_ts_param_parse(VPxContext *ctx, struct 
>> vpx_codec_enc_cfg *enccfg,
>>      return 0;
>>  }
>>
>> +#if CONFIG_LIBVPX_VP9_ENCODER && defined 
>> (VPX_CTRL_VP9E_SET_MAX_INTER_BITRATE_PCT)
>> +static int vpx_ref_frame_config_parse(VPxContext *ctx, const struct 
>> vpx_codec_enc_cfg *enccfg,
>> +                              char *key, char *value, enum AVCodecID 
>> codec_id)
>> +{
>> +    size_t value_len = strlen(value);
>> +    int ss_number_layers = enccfg->ss_number_layers;
>> +    vpx_svc_ref_frame_config_t *ref_frame_config = &ctx->ref_frame_config;
>> +
>> +    if (!value_len)
>> +        return -1;
>> +
>> +    if (codec_id != AV_CODEC_ID_VP9)
>> +        return -1;
>> +
>> +    if (!strcmp(key, "rfc_update_buffer_slot")) {
>> +        vp8_ts_parse_int_array(ref_frame_config->update_buffer_slot, value, 
>> value_len, ss_number_layers);
>> +    } else if (!strcmp(key, "rfc_update_last")) {
>> +        vp8_ts_parse_int_array(ref_frame_config->update_last, value, 
>> value_len, ss_number_layers);
>> +    } else if (!strcmp(key, "rfc_update_golden")) {
>> +        vp8_ts_parse_int_array(ref_frame_config->update_golden, value, 
>> value_len, ss_number_layers);
>> +    } else if (!strcmp(key, "rfc_update_alt_ref")) {
>> +        vp8_ts_parse_int_array(ref_frame_config->update_alt_ref, value, 
>> value_len, ss_number_layers);
>> +    } else if (!strcmp(key, "rfc_lst_fb_idx")) {
>> +        vp8_ts_parse_int_array(ref_frame_config->lst_fb_idx, value, 
>> value_len, ss_number_layers);
>> +    } else if (!strcmp(key, "rfc_gld_fb_idx")) {
>> +        vp8_ts_parse_int_array(ref_frame_config->gld_fb_idx, value, 
>> value_len, ss_number_layers);
>> +    } else if (!strcmp(key, "rfc_alt_fb_idx")) {
>> +        vp8_ts_parse_int_array(ref_frame_config->alt_fb_idx, value, 
>> value_len, ss_number_layers);
>> +    } else if (!strcmp(key, "rfc_reference_last")) {
>> +        vp8_ts_parse_int_array(ref_frame_config->reference_last, value, 
>> value_len, ss_number_layers);
>> +    } else if (!strcmp(key, "rfc_reference_golden")) {
>> +        vp8_ts_parse_int_array(ref_frame_config->reference_golden, value, 
>> value_len, ss_number_layers);
>> +    } else if (!strcmp(key, "rfc_reference_alt_ref")) {
>> +        vp8_ts_parse_int_array(ref_frame_config->reference_alt_ref, value, 
>> value_len, ss_number_layers);
>> +    } else if (!strcmp(key, "rfc_reference_duration")) {
>> +        vp8_ts_parse_int64_array(ref_frame_config->duration, value, 
>> value_len, ss_number_layers);
>> +    }
>> +
>> +    return 0;
>> +}
>> +#endif
>> +
>>  #if CONFIG_LIBVPX_VP9_ENCODER
>>  static int set_pix_fmt(AVCodecContext *avctx, vpx_codec_caps_t codec_caps,
>>                         struct vpx_codec_enc_cfg *enccfg, vpx_codec_flags_t 
>> *flags,
>> @@ -1528,6 +1590,23 @@ static int vpx_encode(AVCodecContext *avctx, AVPacket 
>> *pkt,
>>  #endif
>>                  layer_id_valid = 1;
>>              }
>> +#if CONFIG_LIBVPX_VP9_ENCODER && defined 
>> (VPX_CTRL_VP9E_SET_MAX_INTER_BITRATE_PCT)
>> +            en = av_dict_get(frame->metadata, "ref-frame-config", NULL, 0);
>> +
>> +            if (en) {
>> +                AVDictionaryEntry* en2 = NULL;
>> +                av_dict_parse_string(&ctx->vpx_ref_frame_config, en->value, 
>> "=", ":", 0);
>> +
>> +                while ((en2 = av_dict_get(ctx->vpx_ref_frame_config, "", 
>> en2, AV_DICT_IGNORE_SUFFIX))) {
>> +                    if (vpx_ref_frame_config_parse(ctx, enccfg, en2->key, 
>> en2->value, avctx->codec_id) < 0)
>> +                        av_log(avctx, AV_LOG_WARNING,
>> +                               "Error parsing option '%s = %s'.\n",
>> +                               en2->key, en2->value);
>> +                }
>> +
>> +                codecctl_intp(avctx, VP9E_SET_SVC_REF_FRAME_CONFIG, (int 
>> *)&ctx->ref_frame_config);
>> +            }
>> +#endif
>>          }
>>
>>          if (sd) {
>> --
>> 2.29.2.576.ga3fc446d84-goog
>>
> Hi James,
>
> Could you take a look at the changes?
>
> Thanks!!
>
> Wonkap
_______________________________________________
ffmpeg-devel mailing list
ffmpeg-devel@ffmpeg.org
https://ffmpeg.org/mailman/listinfo/ffmpeg-devel

To unsubscribe, visit link above, or email
ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".

Reply via email to