[FFmpeg-devel] [PATCH 1/8] avdevice/decklink_dec: fix bitrate calculations
Marton Balint
cus at passwd.hu
Thu Jun 23 02:47:47 CEST 2016
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 */
--
2.6.6
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