diff --git a/libavformat/ogg.c b/libavformat/ogg.c index 41fa0d92e0fc12bb2e4c035deaa2fc0bb4c43cb2..53c8b058269f1b90916140e4265b01ac939d1e01 100644 --- a/libavformat/ogg.c +++ b/libavformat/ogg.c @@ -216,6 +216,7 @@ static int ogg_read_header(AVFormatContext *avfcontext, AVFormatParameters *ap) return -1; codec->extradata_size+= 2 + op.bytes; codec->extradata= av_realloc(codec->extradata, codec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE); + memset(codec->extradata + codec->extradata_size, 0, FF_INPUT_BUFFER_PADDING_SIZE); p= codec->extradata + codec->extradata_size - 2 - op.bytes; *(p++)= op.bytes>>8; *(p++)= op.bytes&0xFF; diff --git a/libavformat/rm.c b/libavformat/rm.c index b8ef35435359ff9155dbd92c2978fca574136fb8..5433da73a1870e858d51b7f99400aa367c38da49 100644 --- a/libavformat/rm.c +++ b/libavformat/rm.c @@ -557,7 +557,7 @@ static void rm_read_audio_stream_info(AVFormatContext *s, AVStream *st, codecdata_length = get_be32(pb); st->codec->codec_id = CODEC_ID_COOK; st->codec->extradata_size= codecdata_length; - st->codec->extradata= av_mallocz(st->codec->extradata_size); + st->codec->extradata= av_mallocz(st->codec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE); for(i = 0; i < codecdata_length; i++) ((uint8_t*)st->codec->extradata)[i] = get_byte(pb); rm->audio_framesize = st->codec->block_align; @@ -708,7 +708,7 @@ static int rm_read_header(AVFormatContext *s, AVFormatParameters *ap) get_be16(pb); st->codec->extradata_size= codec_data_size - (url_ftell(pb) - codec_pos); - st->codec->extradata= av_malloc(st->codec->extradata_size); + st->codec->extradata= av_mallocz(st->codec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE); get_buffer(pb, st->codec->extradata, st->codec->extradata_size); // av_log(NULL, AV_LOG_DEBUG, "fps= %d fps2= %d\n", fps, fps2); diff --git a/libavformat/sierravmd.c b/libavformat/sierravmd.c index bc69c0ecd1237b95e0980517c953dc33400fc0e2..4037614b8a94622c485899c82b71f4a08615990f 100644 --- a/libavformat/sierravmd.c +++ b/libavformat/sierravmd.c @@ -137,7 +137,7 @@ static int vmd_read_header(AVFormatContext *s, st->codec->width = LE_16(&vmd->vmd_header[12]); st->codec->height = LE_16(&vmd->vmd_header[14]); st->codec->extradata_size = VMD_HEADER_SIZE; - st->codec->extradata = av_malloc(VMD_HEADER_SIZE); + st->codec->extradata = av_mallocz(VMD_HEADER_SIZE + FF_INPUT_BUFFER_PADDING_SIZE); memcpy(st->codec->extradata, vmd->vmd_header, VMD_HEADER_SIZE); /* if sample rate is 0, assume no audio */ diff --git a/libavformat/westwood.c b/libavformat/westwood.c index 1d3e325e4fdb476a63358afef3b595cc1e7227dd..d9f61c717a42580aeb8a3eb774e2fc5280102e06 100644 --- a/libavformat/westwood.c +++ b/libavformat/westwood.c @@ -231,7 +231,7 @@ static int wsvqa_read_header(AVFormatContext *s, /* the VQA header needs to go to the decoder */ st->codec->extradata_size = VQA_HEADER_SIZE; - st->codec->extradata = av_malloc(VQA_HEADER_SIZE); + st->codec->extradata = av_mallocz(VQA_HEADER_SIZE + FF_INPUT_BUFFER_PADDING_SIZE); header = (unsigned char *)st->codec->extradata; if (get_buffer(pb, st->codec->extradata, VQA_HEADER_SIZE) != VQA_HEADER_SIZE) {