From 3102d180bbcba2c960ed1cfd5c6a1954679c0280 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Thu, 4 Feb 2010 15:30:37 +0000 Subject: [PATCH] Fix large timebases. Fixed issue1633 Originally committed as revision 21636 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavcodec/h264.c | 6 +++--- libavcodec/h264_ps.c | 2 +- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/libavcodec/h264.c b/libavcodec/h264.c index d9b1d5fbcd..3a1138e128 100644 --- a/libavcodec/h264.c +++ b/libavcodec/h264.c @@ -1781,11 +1781,11 @@ static int decode_slice_header(H264Context *h, H264Context *h0){ } if(h->sps.timing_info_present_flag){ - s->avctx->time_base= (AVRational){h->sps.num_units_in_tick, h->sps.time_scale}; + int64_t den= h->sps.time_scale; if(h->x264_build > 0 && h->x264_build < 44) - s->avctx->time_base.den *= 2; + den *= 2; av_reduce(&s->avctx->time_base.num, &s->avctx->time_base.den, - s->avctx->time_base.num, s->avctx->time_base.den, 1<<30); + h->sps.num_units_in_tick, den, 1<<30); } s->avctx->pix_fmt = s->avctx->get_format(s->avctx, s->avctx->codec->pix_fmts); s->avctx->hwaccel = ff_find_hwaccel(s->avctx->codec->id, s->avctx->pix_fmt); diff --git a/libavcodec/h264_ps.c b/libavcodec/h264_ps.c index 423ffe8a71..6b9e6e9427 100644 --- a/libavcodec/h264_ps.c +++ b/libavcodec/h264_ps.c @@ -176,7 +176,7 @@ static inline int decode_vui_parameters(H264Context *h, SPS *sps){ if(sps->timing_info_present_flag){ sps->num_units_in_tick = get_bits_long(&s->gb, 32); sps->time_scale = get_bits_long(&s->gb, 32); - if(sps->num_units_in_tick-1 > 0x7FFFFFFEU || sps->time_scale-1 > 0x7FFFFFFEU){ + if(!sps->num_units_in_tick || !sps->time_scale){ av_log(h->s.avctx, AV_LOG_ERROR, "time_scale/num_units_in_tick invalid or unsupported (%d/%d)\n", sps->time_scale, sps->num_units_in_tick); return -1; }