int av_packet_add_side_data(AVPacket *pkt, enum AVPacketSideDataType type,
uint8_t *data, size_t size)
{
+ AVPacketSideData *tmp;
int elems = pkt->side_data_elems;
if ((unsigned)elems + 1 > INT_MAX / sizeof(*pkt->side_data))
return AVERROR(ERANGE);
- pkt->side_data = av_realloc(pkt->side_data,
- (elems + 1) * sizeof(*pkt->side_data));
- if (!pkt->side_data)
+ tmp = av_realloc(pkt->side_data, (elems + 1) * sizeof(*tmp));
+ if (!tmp)
return AVERROR(ENOMEM);
+ pkt->side_data = tmp;
pkt->side_data[elems].data = data;
pkt->side_data[elems].size = size;
pkt->side_data[elems].type = type;
int ret;
uint8_t *data;
- if ((unsigned)size > INT_MAX - AV_INPUT_BUFFER_PADDING_SIZE)
+ if (!size || (unsigned)size > INT_MAX - AV_INPUT_BUFFER_PADDING_SIZE)
return NULL;
data = av_malloc(size + AV_INPUT_BUFFER_PADDING_SIZE);
if (!data)
return NULL;
+ memset(data + size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
ret = av_packet_add_side_data(pkt, type, data, size);
if (ret < 0) {
pkt->size = 0;
}
-int av_packet_ref(AVPacket *dst, AVPacket *src)
+int av_packet_ref(AVPacket *dst, const AVPacket *src)
{
int ret;
return ret;
}
-AVPacket *av_packet_clone(AVPacket *src)
+AVPacket *av_packet_clone(const AVPacket *src)
{
AVPacket *ret = av_packet_alloc();