[FFmpeg-cvslog] avformat: fix overflows during bit rate calculation
Andreas Cadhalpun
git at videolan.org
Wed Dec 14 02:10:20 EET 2016
ffmpeg | branch: master | Andreas Cadhalpun <Andreas.Cadhalpun at googlemail.com> | Tue Dec 13 00:38:25 2016 +0100| [ad5807f8aa883bee5431186dc1f24c5435d722d3] | committer: Andreas Cadhalpun
avformat: fix overflows during bit rate calculation
The bit_rate field has type int64_t since commit
7404f3bdb90e6a5dcb59bc0a091e2c5c038e557d.
Reviewed-by: Paul B Mahol <onemda at gmail.com>
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun at googlemail.com>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=ad5807f8aa883bee5431186dc1f24c5435d722d3
---
libavformat/adxdec.c | 2 +-
libavformat/aiffdec.c | 4 ++--
libavformat/apc.c | 2 +-
libavformat/bfi.c | 2 +-
libavformat/electronicarts.c | 2 +-
libavformat/iff.c | 2 +-
libavformat/soxdec.c | 2 +-
libavformat/voc_packet.c | 2 +-
libavformat/vqf.c | 2 +-
libavformat/wsddec.c | 2 +-
10 files changed, 11 insertions(+), 11 deletions(-)
diff --git a/libavformat/adxdec.c b/libavformat/adxdec.c
index 0315ecb..a271e2a 100644
--- a/libavformat/adxdec.c
+++ b/libavformat/adxdec.c
@@ -116,7 +116,7 @@ static int adx_read_header(AVFormatContext *s)
par->codec_type = AVMEDIA_TYPE_AUDIO;
par->codec_id = s->iformat->raw_codec_id;
- par->bit_rate = par->sample_rate * par->channels * BLOCK_SIZE * 8LL / BLOCK_SAMPLES;
+ par->bit_rate = (int64_t)par->sample_rate * par->channels * BLOCK_SIZE * 8LL / BLOCK_SAMPLES;
avpriv_set_pts_info(st, 64, BLOCK_SAMPLES, par->sample_rate);
diff --git a/libavformat/aiffdec.c b/libavformat/aiffdec.c
index 59e969d..9e7a39c 100644
--- a/libavformat/aiffdec.c
+++ b/libavformat/aiffdec.c
@@ -181,7 +181,7 @@ static int get_aiff_header(AVFormatContext *s, int size,
par->block_align = (av_get_bits_per_sample(par->codec_id) * par->channels) >> 3;
if (aiff->block_duration) {
- par->bit_rate = par->sample_rate * (par->block_align << 3) /
+ par->bit_rate = (int64_t)par->sample_rate * (par->block_align << 3) /
aiff->block_duration;
}
@@ -318,7 +318,7 @@ static int aiff_read_header(AVFormatContext *s)
st->codecpar->block_align = 35;
}
aiff->block_duration = 160;
- st->codecpar->bit_rate = st->codecpar->sample_rate * (st->codecpar->block_align << 3) /
+ st->codecpar->bit_rate = (int64_t)st->codecpar->sample_rate * (st->codecpar->block_align << 3) /
aiff->block_duration;
}
break;
diff --git a/libavformat/apc.c b/libavformat/apc.c
index a4dcf66..b180a50 100644
--- a/libavformat/apc.c
+++ b/libavformat/apc.c
@@ -65,7 +65,7 @@ static int apc_read_header(AVFormatContext *s)
}
st->codecpar->bits_per_coded_sample = 4;
- st->codecpar->bit_rate = st->codecpar->bits_per_coded_sample * st->codecpar->channels
+ st->codecpar->bit_rate = (int64_t)st->codecpar->bits_per_coded_sample * st->codecpar->channels
* st->codecpar->sample_rate;
st->codecpar->block_align = 1;
diff --git a/libavformat/bfi.c b/libavformat/bfi.c
index ef4c17d..6c98e33 100644
--- a/libavformat/bfi.c
+++ b/libavformat/bfi.c
@@ -108,7 +108,7 @@ static int bfi_read_header(AVFormatContext * s)
astream->codecpar->channel_layout = AV_CH_LAYOUT_MONO;
astream->codecpar->bits_per_coded_sample = 8;
astream->codecpar->bit_rate =
- astream->codecpar->sample_rate * astream->codecpar->bits_per_coded_sample;
+ (int64_t)astream->codecpar->sample_rate * astream->codecpar->bits_per_coded_sample;
avio_seek(pb, chunk_header - 3, SEEK_SET);
avpriv_set_pts_info(astream, 64, 1, astream->codecpar->sample_rate);
return 0;
diff --git a/libavformat/electronicarts.c b/libavformat/electronicarts.c
index 80ce4c6..30eb723 100644
--- a/libavformat/electronicarts.c
+++ b/libavformat/electronicarts.c
@@ -557,7 +557,7 @@ static int ea_read_header(AVFormatContext *s)
st->codecpar->channels = ea->num_channels;
st->codecpar->sample_rate = ea->sample_rate;
st->codecpar->bits_per_coded_sample = ea->bytes * 8;
- st->codecpar->bit_rate = st->codecpar->channels *
+ st->codecpar->bit_rate = (int64_t)st->codecpar->channels *
st->codecpar->sample_rate *
st->codecpar->bits_per_coded_sample / 4;
st->codecpar->block_align = st->codecpar->channels *
diff --git a/libavformat/iff.c b/libavformat/iff.c
index bf44170..29fb7bf 100644
--- a/libavformat/iff.c
+++ b/libavformat/iff.c
@@ -748,7 +748,7 @@ static int iff_read_header(AVFormatContext *s)
}
st->codecpar->bits_per_coded_sample = av_get_bits_per_sample(st->codecpar->codec_id);
- st->codecpar->bit_rate = st->codecpar->channels * st->codecpar->sample_rate * st->codecpar->bits_per_coded_sample;
+ st->codecpar->bit_rate = (int64_t)st->codecpar->channels * st->codecpar->sample_rate * st->codecpar->bits_per_coded_sample;
st->codecpar->block_align = st->codecpar->channels * st->codecpar->bits_per_coded_sample;
if (st->codecpar->codec_tag == ID_DSD && st->codecpar->block_align <= 0)
return AVERROR_INVALIDDATA;
diff --git a/libavformat/soxdec.c b/libavformat/soxdec.c
index 0a937e7..12a94c8 100644
--- a/libavformat/soxdec.c
+++ b/libavformat/soxdec.c
@@ -113,7 +113,7 @@ static int sox_read_header(AVFormatContext *s)
st->codecpar->sample_rate = sample_rate;
st->codecpar->bits_per_coded_sample = 32;
- st->codecpar->bit_rate = st->codecpar->sample_rate *
+ st->codecpar->bit_rate = (int64_t)st->codecpar->sample_rate *
st->codecpar->bits_per_coded_sample *
st->codecpar->channels;
st->codecpar->block_align = st->codecpar->bits_per_coded_sample *
diff --git a/libavformat/voc_packet.c b/libavformat/voc_packet.c
index 0d56436..4f60467 100644
--- a/libavformat/voc_packet.c
+++ b/libavformat/voc_packet.c
@@ -126,7 +126,7 @@ ff_voc_get_packet(AVFormatContext *s, AVPacket *pkt, AVStream *st, int max_size)
}
}
- par->bit_rate = par->sample_rate * par->channels * par->bits_per_coded_sample;
+ par->bit_rate = (int64_t)par->sample_rate * par->channels * par->bits_per_coded_sample;
if (max_size <= 0)
max_size = 2048;
diff --git a/libavformat/vqf.c b/libavformat/vqf.c
index 969fbef..841840e 100644
--- a/libavformat/vqf.c
+++ b/libavformat/vqf.c
@@ -140,7 +140,7 @@ static int vqf_read_header(AVFormatContext *s)
return AVERROR_INVALIDDATA;
}
- st->codecpar->bit_rate = read_bitrate * 1000;
+ st->codecpar->bit_rate = (int64_t)read_bitrate * 1000;
break;
case MKTAG('D','S','I','Z'): // size of compressed data
{
diff --git a/libavformat/wsddec.c b/libavformat/wsddec.c
index 9ca0576..81a4dcc 100644
--- a/libavformat/wsddec.c
+++ b/libavformat/wsddec.c
@@ -128,7 +128,7 @@ static int wsd_read_header(AVFormatContext *s)
st->codecpar->sample_rate = avio_rb32(pb) / 8;
avio_skip(pb, 4);
st->codecpar->channels = avio_r8(pb) & 0xF;
- st->codecpar->bit_rate = st->codecpar->channels * st->codecpar->sample_rate * 8LL;
+ st->codecpar->bit_rate = (int64_t)st->codecpar->channels * st->codecpar->sample_rate * 8LL;
if (!st->codecpar->channels)
return AVERROR_INVALIDDATA;
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