/alps/ipecamera

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  • Committer: Suren A. Chilingaryan
  • Date: 2012-07-04 23:54:12 UTC
  • Revision ID: csa@dside.dyndns.org-20120704235412-ozpqr63e9ve2omjp
UFO5 size estimation

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Lines of Context:
ipecamera/ipecamera.c
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    pcilib_t *pcilib = vctx->pcilib;
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    pcilib_register_value_t value;
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    const size_t chan_size = (2 + IPECAMERA_PIXELS_PER_CHANNEL / 3) * sizeof(ipecamera_payload_t);
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    const size_t line_size = (IPECAMERA_MAX_CHANNELS * chan_size);
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    const size_t header_size = 8 * sizeof(ipecamera_payload_t);
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    const size_t footer_size = 8 * sizeof(ipecamera_payload_t);
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    size_t raw_size;
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    size_t padded_blocks;
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    pthread_attr_t attr;
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    struct sched_param sched;
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    ctx->dim.width = IPECAMERA_WIDTH;
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    GET_REG(n_lines_reg, ctx->dim.height);
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    raw_size = header_size + ctx->dim.height * line_size + footer_size;
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    padded_blocks = raw_size / IPECAMERA_DMA_PACKET_LENGTH + ((raw_size % IPECAMERA_DMA_PACKET_LENGTH)?1:0);
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    ipecamera_compute_buffer_size(ctx, ctx->dim.height);
 
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    ctx->raw_size = ctx->cur_raw_size;
 
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    ctx->full_size = ctx->cur_full_size;
 
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    ctx->padded_size = ctx->cur_padded_size;
 
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    ctx->image_size = ctx->dim.width * ctx->dim.height;
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    ctx->raw_size = raw_size;
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    ctx->full_size = padded_blocks * IPECAMERA_DMA_PACKET_LENGTH;
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#ifdef IPECAMERA_BUG_EXTRA_DATA
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    ctx->full_size += 8;
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    padded_blocks ++;
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#endif /* IPECAMERA_BUG_EXTRA_DATA */
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    ctx->padded_size = padded_blocks * IPECAMERA_DMA_PACKET_LENGTH;
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    ctx->buffer = malloc(ctx->padded_size * ctx->buffer_size);
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    if (!ctx->buffer) {