[FFmpeg-devel] [PATCH 1/8] avdevice/decklink_dec: fix bitrate calculations

Deti Fliegl deti at fliegl.de
Sun Jun 26 11:10:00 CEST 2016


Patch accepted, please apply.

On 23/06/16 02:47, Marton Balint wrote:
> Signed-off-by: Marton Balint <cus at passwd.hu>
> ---
>  libavdevice/decklink_dec.cpp | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/libavdevice/decklink_dec.cpp b/libavdevice/decklink_dec.cpp
> index 1c305f3..3b5d4be 100644
> --- a/libavdevice/decklink_dec.cpp
> +++ b/libavdevice/decklink_dec.cpp
> @@ -563,15 +563,16 @@ av_cold int ff_decklink_read_header(AVFormatContext *avctx)
>
>      st->time_base.den      = ctx->bmd_tb_den;
>      st->time_base.num      = ctx->bmd_tb_num;
> -    st->codecpar->bit_rate    = av_image_get_buffer_size((AVPixelFormat)st->codecpar->format, ctx->bmd_width, ctx->bmd_height, 1) * 1/av_q2d(st->time_base) * 8;
>
>      if (cctx->v210) {
>          st->codecpar->codec_id    = AV_CODEC_ID_V210;
>          st->codecpar->codec_tag   = MKTAG('V', '2', '1', '0');
> +        st->codecpar->bit_rate    = av_rescale(ctx->bmd_width * ctx->bmd_height * 64, st->time_base.den, st->time_base.num * 3);
>      } else {
>          st->codecpar->codec_id    = AV_CODEC_ID_RAWVIDEO;
>          st->codecpar->format      = AV_PIX_FMT_UYVY422;
>          st->codecpar->codec_tag   = MKTAG('U', 'Y', 'V', 'Y');
> +        st->codecpar->bit_rate    = av_rescale(ctx->bmd_width * ctx->bmd_height * 16, st->time_base.den, st->time_base.num);
>      }
>
>      avpriv_set_pts_info(st, 64, 1, 1000000);  /* 64 bits pts in us */
>



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