int av_packet_merge_side_data(AVPacket *pkt){
if(pkt->side_data_elems){
AVBufferRef *buf;
int i;
uint8_t *p;
uint64_t size= pkt->size + 8LL + AV_INPUT_BUFFER_PADDING_SIZE;
AVPacket old= *pkt;
for (i=0; i<old.side_data_elems; i++) {
size += old.side_data[i].size + 5LL;
}
if (size > INT_MAX)
return AVERROR(EINVAL);
buf = av_buffer_alloc(size);
if (!buf)
return AVERROR(ENOMEM);
pkt->buf = buf;
pkt->data = p = buf->data;
pkt->size = size - AV_INPUT_BUFFER_PADDING_SIZE;
bytestream_put_buffer(&p, old.data, old.size);
for (i=old.side_data_elems-1; i>=0; i--) {
bytestream_put_buffer(&p, old.side_data[i].data, old.side_data[i].size);
bytestream_put_be32(&p, old.side_data[i].size);
*p++ = old.side_data[i].type | ((i==old.side_data_elems-1)*128);
}
bytestream_put_be64(&p, FF_MERGE_MARKER);
av_assert0(p-pkt->data == pkt->size);
memset(p, 0, AV_INPUT_BUFFER_PADDING_SIZE);
av_packet_unref(&old);
pkt->side_data_elems = 0;
pkt->side_data = NULL;
return 1;
}
return 0;
}
int av_packet_merge_side_data(AVPacket *pkt){
if(pkt->side_data_elems){
AVBufferRef *buf;
int i;
uint8_t *p;
uint64_t size= pkt->size + 8LL + FF_INPUT_BUFFER_PADDING_SIZE;
AVPacket old= *pkt;
for (i=0; i<old.side_data_elems; i++) {
size += old.side_data[i].size + 5LL;
}
if (size > INT_MAX)
return AVERROR(EINVAL);
buf = av_buffer_alloc(size);
if (!buf)
return AVERROR(ENOMEM);
pkt->buf = buf;
pkt->data = p = buf->data;
#if FF_API_DESTRUCT_PACKET
FF_DISABLE_DEPRECATION_WARNINGS
pkt->destruct = dummy_destruct_packet;
FF_ENABLE_DEPRECATION_WARNINGS
#endif
pkt->size = size - FF_INPUT_BUFFER_PADDING_SIZE;
bytestream_put_buffer(&p, old.data, old.size);
for (i=old.side_data_elems-1; i>=0; i--) {
bytestream_put_buffer(&p, old.side_data[i].data, old.side_data[i].size);
bytestream_put_be32(&p, old.side_data[i].size);
*p++ = old.side_data[i].type | ((i==old.side_data_elems-1)*128);
}
bytestream_put_be64(&p, FF_MERGE_MARKER);
av_assert0(p-pkt->data == pkt->size);
memset(p, 0, FF_INPUT_BUFFER_PADDING_SIZE);
av_free_packet(&old);
pkt->side_data_elems = 0;
pkt->side_data = NULL;
return 1;
}
return 0;
}
void ff_amf_write_number(uint8_t **dst, double val)
{
bytestream_put_byte(dst, AMF_DATA_TYPE_NUMBER);
bytestream_put_be64(dst, av_dbl2int(val));
}
