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@ -297,93 +297,6 @@ const char *av_packet_side_data_name(enum AVPacketSideDataType type) |
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return NULL; |
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} |
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#if FF_API_MERGE_SD_API |
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#define FF_MERGE_MARKER 0x8c4d9d108e25e9feULL |
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int av_packet_merge_side_data(AVPacket *pkt){ |
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if(pkt->side_data_elems){ |
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AVBufferRef *buf; |
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int i; |
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uint8_t *p; |
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uint64_t size= pkt->size + 8LL + AV_INPUT_BUFFER_PADDING_SIZE; |
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AVPacket old= *pkt; |
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for (i=0; i<old.side_data_elems; i++) { |
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size += old.side_data[i].size + 5LL; |
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} |
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if (size > INT_MAX) |
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return AVERROR(EINVAL); |
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buf = av_buffer_alloc(size); |
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if (!buf) |
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return AVERROR(ENOMEM); |
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pkt->buf = buf; |
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pkt->data = p = buf->data; |
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pkt->size = size - AV_INPUT_BUFFER_PADDING_SIZE; |
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bytestream_put_buffer(&p, old.data, old.size); |
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for (i=old.side_data_elems-1; i>=0; i--) { |
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bytestream_put_buffer(&p, old.side_data[i].data, old.side_data[i].size); |
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bytestream_put_be32(&p, old.side_data[i].size); |
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*p++ = old.side_data[i].type | ((i==old.side_data_elems-1)*128); |
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} |
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bytestream_put_be64(&p, FF_MERGE_MARKER); |
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av_assert0(p-pkt->data == pkt->size); |
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memset(p, 0, AV_INPUT_BUFFER_PADDING_SIZE); |
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av_packet_unref(&old); |
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pkt->side_data_elems = 0; |
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pkt->side_data = NULL; |
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return 1; |
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} |
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return 0; |
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} |
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int av_packet_split_side_data(AVPacket *pkt){ |
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if (!pkt->side_data_elems && pkt->size >12 && AV_RB64(pkt->data + pkt->size - 8) == FF_MERGE_MARKER){ |
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int i; |
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unsigned int size; |
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uint8_t *p; |
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p = pkt->data + pkt->size - 8 - 5; |
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for (i=1; ; i++){ |
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size = AV_RB32(p); |
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if (size>INT_MAX - 5 || p - pkt->data < size) |
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return 0; |
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if (p[4]&128) |
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break; |
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if (p - pkt->data < size + 5) |
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return 0; |
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p-= size+5; |
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} |
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if (i > AV_PKT_DATA_NB) |
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return AVERROR(ERANGE); |
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pkt->side_data = av_malloc_array(i, sizeof(*pkt->side_data)); |
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if (!pkt->side_data) |
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return AVERROR(ENOMEM); |
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p= pkt->data + pkt->size - 8 - 5; |
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for (i=0; ; i++){ |
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size= AV_RB32(p); |
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av_assert0(size<=INT_MAX - 5 && p - pkt->data >= size); |
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pkt->side_data[i].data = av_mallocz(size + AV_INPUT_BUFFER_PADDING_SIZE); |
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pkt->side_data[i].size = size; |
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pkt->side_data[i].type = p[4]&127; |
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if (!pkt->side_data[i].data) |
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return AVERROR(ENOMEM); |
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memcpy(pkt->side_data[i].data, p-size, size); |
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pkt->size -= size + 5; |
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if(p[4]&128) |
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break; |
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p-= size+5; |
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} |
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pkt->size -= 8; |
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pkt->side_data_elems = i+1; |
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return 1; |
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} |
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return 0; |
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} |
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#endif |
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#if FF_API_BUFFER_SIZE_T |
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uint8_t *av_packet_pack_dictionary(AVDictionary *dict, int *size) |
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#else |
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