X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Futvideoenc.c;h=8c8a9535a1ddc5877b998cb3aa5375050188037f;hb=930391e5988abe126d29c5e9b09fab459e0b8936;hp=db00e1eff5f293301cd22664ab2ab51c3898fddb;hpb=762c2b5dcd99a08452299cd1f83070f88115f1f3;p=ffmpeg

diff --git a/libavcodec/utvideoenc.c b/libavcodec/utvideoenc.c
index db00e1eff5f..8c8a9535a1d 100644
--- a/libavcodec/utvideoenc.c
+++ b/libavcodec/utvideoenc.c
@@ -37,6 +37,19 @@
 #include "utvideo.h"
 #include "huffman.h"
 
+typedef struct HuffEntry {
+    uint16_t sym;
+    uint8_t  len;
+    uint32_t code;
+} HuffEntry;
+
+/* 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)
 {
@@ -121,28 +134,6 @@ static av_cold int utvideo_encode_init(AVCodecContext *avctx)
     ff_bswapdsp_init(&c->bdsp);
     ff_llvidencdsp_init(&c->llvidencdsp);
 
-#if FF_API_PRIVATE_OPT
-FF_DISABLE_DEPRECATION_WARNINGS
-    /* Check the prediction method, and error out if unsupported */
-    if (avctx->prediction_method < 0 || avctx->prediction_method > 4) {
-        av_log(avctx, AV_LOG_WARNING,
-               "Prediction method %d is not supported in Ut Video.\n",
-               avctx->prediction_method);
-        return AVERROR_OPTION_NOT_FOUND;
-    }
-
-    if (avctx->prediction_method == FF_PRED_PLANE) {
-        av_log(avctx, AV_LOG_ERROR,
-               "Plane prediction is not supported in Ut Video.\n");
-        return AVERROR_OPTION_NOT_FOUND;
-    }
-
-    /* Convert from libavcodec prediction type to Ut Video's */
-    if (avctx->prediction_method)
-        c->frame_pred = ff_ut_pred_order[avctx->prediction_method];
-FF_ENABLE_DEPRECATION_WARNINGS
-#endif
-
     if (c->frame_pred == PRED_GRADIENT) {
         av_log(avctx, AV_LOG_ERROR, "Gradient prediction is not supported.\n");
         return AVERROR_OPTION_NOT_FOUND;
@@ -340,13 +331,13 @@ static void calculate_codes(HuffEntry *he)
     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);
@@ -379,13 +370,11 @@ static int write_huff_codes(uint8_t *src, uint8_t *dst, int dst_size,
     if (count)
         put_bits(&pb, 32 - count, 0);
 
-    /* Get the amount of bits written */
-    count = put_bits_count(&pb);
-
     /* Flush the rest with zeroes */
     flush_put_bits(&pb);
 
-    return count;
+    /* Return the amount of bytes written */
+    return put_bytes_output(&pb);
 }
 
 static int encode_plane(AVCodecContext *avctx, uint8_t *src,
@@ -493,11 +482,11 @@ static int encode_plane(AVCodecContext *avctx, uint8_t *src,
 
         /*
          * Write the huffman codes to a buffer,
-         * get the offset in bits and convert to bytes.
+         * get the offset in bytes.
          */
         offset += write_huff_codes(dst + sstart * width, c->slice_bits,
                                    width * height + 4, width,
-                                   send - sstart, he) >> 3;
+                                   send - sstart, he);
 
         slice_len = offset - slice_len;
 
@@ -677,7 +666,7 @@ AVCodec ff_utvideo_encoder = {
     .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