#include "utvideo.h"
#include "huffman.h"
+typedef struct HuffEntry {
+ uint16_t sym;
+ uint8_t len;
+ uint32_t code;
+} HuffEntry;
+
+#if FF_API_PRIVATE_OPT
+static const int ut_pred_order[5] = {
+ PRED_LEFT, PRED_MEDIAN, PRED_MEDIAN, PRED_NONE, PRED_GRADIENT
+};
+#endif
+
+/* Compare huffman tree nodes */
+static int ut_huff_cmp_len(const void *a, const void *b)
+{
+ const HuffEntry *aa = a, *bb = b;
+ return (aa->len - bb->len)*256 + aa->sym - bb->sym;
+}
+
/* Compare huffentry symbols */
static int huff_cmp_sym(const void *a, const void *b)
{
/* Convert from libavcodec prediction type to Ut Video's */
if (avctx->prediction_method)
- c->frame_pred = ff_ut_pred_order[avctx->prediction_method];
+ c->frame_pred = ut_pred_order[avctx->prediction_method];
FF_ENABLE_DEPRECATION_WARNINGS
#endif
int last, i;
uint32_t code;
- qsort(he, 256, sizeof(*he), ff_ut_huff_cmp_len);
+ qsort(he, 256, sizeof(*he), ut_huff_cmp_len);
last = 255;
while (he[last].len == 255 && last)
last--;
- code = 1;
+ code = 0;
for (i = last; i >= 0; i--) {
he[i].code = code >> (32 - he[i].len);
code += 0x80000000u >> (he[i].len - 1);
.init = utvideo_encode_init,
.encode2 = utvideo_encode_frame,
.close = utvideo_encode_close,
- .capabilities = AV_CODEC_CAP_FRAME_THREADS | AV_CODEC_CAP_INTRA_ONLY,
+ .capabilities = AV_CODEC_CAP_FRAME_THREADS,
.pix_fmts = (const enum AVPixelFormat[]) {
AV_PIX_FMT_GBRP, AV_PIX_FMT_GBRAP, AV_PIX_FMT_YUV422P,
AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV444P, AV_PIX_FMT_NONE