generic-library/vpx
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Additional clipping of buffer level to maximum buffer size

Browse Source 
Added additional check of buffer level against maximum
buffer size.

Change-Id: Iaf1fbaf008601161e402b43ce82c3dbc129bf740
This commit is contained in:
Adrian Grange 2011-11-07 16:54:40 -08:00
parent 9dc95b0a12
commit fa25a31ed4
1 changed files with 9 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
vp8/encoder/onyx_if.c
View File

@ -3659,7 +3659,11 @@ static void encode_frame_to_data_rate
else if (cpi->decimation_count > 0) else if (cpi->decimation_count > 0)
{ {
cpi->decimation_count --; cpi->decimation_count --;
cpi->bits_off_target += cpi->av_per_frame_bandwidth; cpi->bits_off_target += cpi->av_per_frame_bandwidth;
if (cpi->bits_off_target > cpi->oxcf.maximum_buffer_size)
cpi->bits_off_target = cpi->oxcf.maximum_buffer_size;
cm->current_video_frame++; cm->current_video_frame++;
cpi->frames_since_key++; cpi->frames_since_key++;
@ -3676,9 +3680,11 @@ static void encode_frame_to_data_rate
// Propagate bits saved by dropping the frame to higher layers // Propagate bits saved by dropping the frame to higher layers
for (i=cpi->current_layer+1; i<cpi->oxcf.number_of_layers; i++) for (i=cpi->current_layer+1; i<cpi->oxcf.number_of_layers; i++)
{ {
cpi->layer_context[i].bits_off_target LAYER_CONTEXT *lc = &cpi->layer_context[i];
+= cpi->av_per_frame_bandwidth; lc->bits_off_target += cpi->av_per_frame_bandwidth;
cpi->layer_context[i].buffer_level = cpi->bits_off_target; if (lc->bits_off_target > lc->maximum_buffer_size)
lc->bits_off_target = lc->maximum_buffer_size;
lc->buffer_level = lc->bits_off_target;
} }
} }