[FFmpeg-cvslog] avcodec/ac3_parser: Avoid floats in bitrate computation

Michael Niedermayer git at videolan.org
Fri May 29 13:07:43 CEST 2015


ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Fri May 29 12:59:35 2015 +0200| [f86e7c5d00cc426833c838f6ec6051d411a8bf80] | committer: Michael Niedermayer

avcodec/ac3_parser: Avoid floats in bitrate computation

Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=f86e7c5d00cc426833c838f6ec6051d411a8bf80
---

 libavcodec/ac3_parser.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libavcodec/ac3_parser.c b/libavcodec/ac3_parser.c
index 131e180..678f08d 100644
--- a/libavcodec/ac3_parser.c
+++ b/libavcodec/ac3_parser.c
@@ -140,8 +140,8 @@ int avpriv_ac3_parse_header2(GetBitContext *gbc, AC3HeaderInfo **phdr)
         hdr->channel_mode = get_bits(gbc, 3);
         hdr->lfe_on = get_bits1(gbc);
 
-        hdr->bit_rate = (uint32_t)(8.0 * hdr->frame_size * hdr->sample_rate /
-                        (hdr->num_blocks * 256.0));
+        hdr->bit_rate = 8LL * hdr->frame_size * hdr->sample_rate /
+                        (hdr->num_blocks * 256);
         hdr->channels = ff_ac3_channels_tab[hdr->channel_mode] + hdr->lfe_on;
     }
     hdr->channel_layout = avpriv_ac3_channel_layout_tab[hdr->channel_mode];



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