#include "rl.h"
-void ff_rl_free(RLTable *rl)
-{
- int i;
-
- for (i = 0; i < 2; i++) {
- av_freep(&rl->max_run[i]);
- av_freep(&rl->max_level[i]);
- av_freep(&rl->index_run[i]);
- }
-}
-
-av_cold int ff_rl_init(RLTable *rl,
- uint8_t static_store[2][2 * MAX_RUN + MAX_LEVEL + 3])
+av_cold void ff_rl_init(RLTable *rl,
+ uint8_t static_store[2][2 * MAX_RUN + MAX_LEVEL + 3])
{
int8_t max_level[MAX_RUN + 1], max_run[MAX_LEVEL + 1];
uint8_t index_run[MAX_RUN + 1];
int last, run, level, start, end, i;
- /* If table is static, we can quit if rl->max_level[0] is not NULL */
- if (static_store && rl->max_level[0])
- return 0;
+ /* If rl->max_level[0] is set, this RLTable has already been initialized */
+ if (rl->max_level[0])
+ return;
/* compute max_level[], max_run[] and index_run[] */
for (last = 0; last < 2; last++) {
if (run > max_run[level])
max_run[level] = run;
}
- if (static_store)
- rl->max_level[last] = static_store[last];
- else {
- rl->max_level[last] = av_malloc(MAX_RUN + 1);
- if (!rl->max_level[last])
- goto fail;
- }
+ rl->max_level[last] = static_store[last];
memcpy(rl->max_level[last], max_level, MAX_RUN + 1);
- if (static_store)
- rl->max_run[last] = static_store[last] + MAX_RUN + 1;
- else {
- rl->max_run[last] = av_malloc(MAX_LEVEL + 1);
- if (!rl->max_run[last])
- goto fail;
- }
+ rl->max_run[last] = static_store[last] + MAX_RUN + 1;
memcpy(rl->max_run[last], max_run, MAX_LEVEL + 1);
- if (static_store)
- rl->index_run[last] = static_store[last] + MAX_RUN + MAX_LEVEL + 2;
- else {
- rl->index_run[last] = av_malloc(MAX_RUN + 1);
- if (!rl->index_run[last])
- goto fail;
- }
+ rl->index_run[last] = static_store[last] + MAX_RUN + MAX_LEVEL + 2;
memcpy(rl->index_run[last], index_run, MAX_RUN + 1);
}
- return 0;
-
-fail:
- ff_rl_free(rl);
- return AVERROR(ENOMEM);
}
av_cold void ff_rl_init_vlc(RLTable *rl, unsigned static_size)