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Correct q_low and q_high limits for the recode loop

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Corrected the initial Q range limits for the recode loop
to reflect the current allowed range for the frame.

In experimental work on constrained quality this bug was
causing unnecessary recodes.

Change-Id: I7e256fbfa681293b0223fe21ec329933d76c229f
This commit is contained in:
Paul Wilkins 2010-12-09 15:02:04 +00:00
parent 160f3c7e9e
commit c63fc881e1
1 changed files with 6 additions and 9 deletions
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15
vp8/encoder/onyx_if.c
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@ -3837,17 +3837,16 @@ static void encode_frame_to_data_rate
vp8_compute_frame_size_bounds(cpi, &frame_under_shoot_limit, &frame_over_shoot_limit);
// Limit Q range for the adaptive loop (Values not clipped to range 20-60 as in VP8).
// Limit Q range for the adaptive loop.
bottom_index = cpi->active_best_quality;
top_index = cpi->active_worst_quality;
q_low = cpi->active_best_quality;
q_high = cpi->active_worst_quality;
vp8_save_coding_context(cpi);
loop_count = 0;
q_low = cpi->best_quality;
q_high = cpi->worst_quality;
scale_and_extend_source(cpi->un_scaled_source, cpi);
#if !(CONFIG_REALTIME_ONLY) && CONFIG_POSTPROC
@ -4029,15 +4028,13 @@ static void encode_frame_to_data_rate
Q = vp8_regulate_q(cpi, cpi->this_frame_target);
q_low = cpi->best_quality;
q_high = cpi->worst_quality;
vp8_compute_frame_size_bounds(cpi, &frame_under_shoot_limit, &frame_over_shoot_limit);
// Limit Q range for the adaptive loop (Values not clipped to range 20-60 as in VP8).
// Limit Q range for the adaptive loop.
bottom_index = cpi->active_best_quality;
top_index = cpi->active_worst_quality;
q_low = cpi->active_best_quality;
q_high = cpi->active_worst_quality;
loop_count++;
Loop = TRUE;