lib: Remove num_stripes from movement_estimation()
fpi_do_movement_estimation is always called with num_stripes set to the length of the list. Rather than using the passed value, assume we should consume all stripes from the list. Closes: #132
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0b87b21d52
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@ -128,13 +128,12 @@ find_overlap (struct fpi_frame_asmbl_ctx *ctx,
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static unsigned int
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do_movement_estimation (struct fpi_frame_asmbl_ctx *ctx,
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GSList *stripes, size_t num_stripes,
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gboolean reverse)
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GSList *stripes, gboolean reverse)
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{
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GSList *list_entry = stripes;
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GSList *l;
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GTimer *timer;
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int frame = 1;
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struct fpi_frame *prev_stripe = list_entry->data;
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guint num_frames = 0;
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struct fpi_frame *prev_stripe;
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unsigned int min_error;
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/* Max error is width * height * 255, for AES2501 which has the largest
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* sensor its 192*16*255 = 783360. So for 32bit value it's ~5482 frame before
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@ -142,12 +141,11 @@ do_movement_estimation (struct fpi_frame_asmbl_ctx *ctx,
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*/
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unsigned long long total_error = 0;
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list_entry = g_slist_next (list_entry);
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timer = g_timer_new ();
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do
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prev_stripe = stripes->data;
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for (l = stripes; l != NULL; l = l->next, num_frames++)
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{
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struct fpi_frame *cur_stripe = list_entry->data;
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struct fpi_frame *cur_stripe = l->data;
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if (reverse)
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{
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@ -161,18 +159,14 @@ do_movement_estimation (struct fpi_frame_asmbl_ctx *ctx,
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}
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total_error += min_error;
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frame++;
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prev_stripe = cur_stripe;
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list_entry = g_slist_next (list_entry);
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}
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while (frame < num_stripes);
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g_timer_stop (timer);
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fp_dbg ("calc delta completed in %f secs", g_timer_elapsed (timer, NULL));
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g_timer_destroy (timer);
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return total_error / num_stripes;
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return total_error / num_frames;
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}
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/**
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@ -197,11 +191,13 @@ fpi_do_movement_estimation (struct fpi_frame_asmbl_ctx *ctx,
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{
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int err, rev_err;
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err = do_movement_estimation (ctx, stripes, num_stripes, FALSE);
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rev_err = do_movement_estimation (ctx, stripes, num_stripes, TRUE);
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g_return_if_fail (g_slist_length(stripes) != num_stripes);
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err = do_movement_estimation (ctx, stripes, FALSE);
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rev_err = do_movement_estimation (ctx, stripes, TRUE);
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fp_dbg ("errors: %d rev: %d", err, rev_err);
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if (err < rev_err)
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do_movement_estimation (ctx, stripes, num_stripes, FALSE);
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do_movement_estimation (ctx, stripes, FALSE);
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}
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static inline void
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