Ticket #902: 0001-fraps-fix-crash-when-multiple-versions-are-found-in-.patch

File 0001-fraps-fix-crash-when-multiple-versions-are-found-in-.patch, 1.3 KB (added by Oana Stratulat, 15 years ago)

Patch for the ticket

  • libavcodec/fraps.c 

    From a6e1c28b9f170d73e1ccdb4416c4a86c23e18e77 Mon Sep 17 00:00:00 2001
From: Oana Stratulat <oanaandreeastratulat@gmail.com>
Date: Mon, 9 Jan 2012 01:34:53 +0200
Subject: [PATCH] fraps: fix crash when multiple versions are found in file

---
 libavcodec/fraps.c |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)

diff --git a/libavcodec/fraps.c b/libavcodec/fraps.c
index de98da7..74eb106 100644
    a b typedef struct FrapsContext{  
    4848    uint8_t *tmpbuf;
    4949    int tmpbuf_size;
    5050    DSPContext dsp;
     51    int version;
    5152} FrapsContext;
    5253
    5354
    … … static av_cold int decode_init(AVCodecContext *avctx)  
    6566
    6667    s->avctx = avctx;
    6768    s->tmpbuf = NULL;
     69    s->version = -1;
    6870
    6971    dsputil_init(&s->dsp, avctx);
    7072
    … … static int decode_frame(AVCodecContext *avctx,  
    143145
    144146    header = AV_RL32(buf);
    145147    version = header & 0xff;
     148    if (version != s->version && s->version > -1) {
     149        av_log(avctx, AV_LOG_INFO, "Multiple versions encountered in file\n");
     150        if (s->frame.data[0])
     151            avctx->release_buffer(avctx, &s->frame);
     152    }
     153    s->version = version;
    146154    header_size = (header & (1<<30))? 8 : 4; /* bit 30 means pad to 8 bytes */
    147155
    148156    if (version > 5) {