lavc: Move noise_reduction to codec private options

This option is only used by mpegvideoenc, x264, xavs, and vpx.
It is a very codec-specific option, so deprecate the global variant.
Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>

libavcodec/avcodec.h

@@ -1876,14 +1876,11 @@ typedef struct AVCodecContext {
     /** @deprecated use encoder private options instead */
     attribute_deprecated
     int scenechange_threshold;
-#endif
 
-    /**
-     * noise reduction strength
-     * - encoding: Set by user.
-     * - decoding: unused
-     */
+    /** @deprecated use encoder private options instead */
+    attribute_deprecated
     int noise_reduction;
+#endif
 
 #if FF_API_MPV_OPT
     /**

libavcodec/libvpxenc.c

@@ -68,6 +68,7 @@ typedef struct VP8EncoderContext {
     int crf;
     int static_thresh;
     int drop_threshold;
+    int noise_sensitivity;
 } VP8Context;
 
 /** String mappings for enum vp8e_enc_control_id */
@@ -352,7 +353,13 @@ FF_ENABLE_DEPRECATION_WARNINGS
         codecctl_int(avctx, VP8E_SET_ARNR_TYPE,        ctx->arnr_type);
 
     if (CONFIG_LIBVPX_VP8_ENCODER && iface == &vpx_codec_vp8_cx_algo) {
-        codecctl_int(avctx, VP8E_SET_NOISE_SENSITIVITY, avctx->noise_reduction);
+#if FF_API_PRIVATE_OPT
+FF_DISABLE_DEPRECATION_WARNINGS
+        if (avctx->noise_reduction)
+            ctx->noise_sensitivity = avctx->noise_reduction;
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
+        codecctl_int(avctx, VP8E_SET_NOISE_SENSITIVITY, ctx->noise_sensitivity);
         codecctl_int(avctx, VP8E_SET_TOKEN_PARTITIONS,  av_log2(avctx->slices));
     }
 #if FF_API_MPV_OPT
@@ -603,6 +610,7 @@ static const AVOption options[] = {
     { "crf",              "Select the quality for constant quality mode", offsetof(VP8Context, crf), AV_OPT_TYPE_INT, {.i64 = 0}, 0, 63, VE },
     { "static-thresh",    "A change threshold on blocks below which they will be skipped by the encoder", OFFSET(static_thresh), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, VE },
     { "drop-threshold",   "Frame drop threshold", offsetof(VP8Context, drop_threshold), AV_OPT_TYPE_INT, {.i64 = 0 }, INT_MIN, INT_MAX, VE },
+    { "noise-sensitivity", "Noise sensitivity", OFFSET(noise_sensitivity), AV_OPT_TYPE_INT, {.i64 = 0 }, 0, 4, VE},
     { NULL }
 };
 

libavcodec/libx264.c

@@ -82,6 +82,7 @@ typedef struct X264Context {
     int b_frame_strategy;
     int chroma_offset;
     int scenechange_threshold;
+    int noise_reduction;
 
     char *x264_params;
 } X264Context;
@@ -454,8 +455,13 @@ FF_ENABLE_DEPRECATION_WARNINGS
         x4->params.analyse.i_trellis    = avctx->trellis;
     if (avctx->me_range >= 0)
         x4->params.analyse.i_me_range   = avctx->me_range;
-    if (avctx->noise_reduction >= 0)
-        x4->params.analyse.i_noise_reduction = avctx->noise_reduction;
+#if FF_API_PRIVATE_OPT
+    FF_DISABLE_DEPRECATION_WARNINGS
+    if (!x4->noise_reduction)
+        x4->noise_reduction = avctx->noise_reduction;
+    FF_ENABLE_DEPRECATION_WARNINGS
+#endif
+    x4->params.analyse.i_noise_reduction = x4->noise_reduction;
     if (avctx->me_subpel_quality >= 0)
         x4->params.analyse.i_subpel_refine   = avctx->me_subpel_quality;
 #if FF_API_PRIVATE_OPT
@@ -759,6 +765,7 @@ static const AVOption options[] = {
     { "b_strategy",   "Strategy to choose between I/P/B-frames",          OFFSET(b_frame_strategy), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 2, VE },
     { "chromaoffset", "QP difference between chroma and luma",           OFFSET(chroma_offset), AV_OPT_TYPE_INT, { .i64 = 0 }, INT_MIN, INT_MAX, VE },
     { "sc_threshold", "Scene change threshold",                           OFFSET(scenechange_threshold), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, VE },
+    { "noise_reduction", "Noise reduction",                               OFFSET(noise_reduction), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, VE },
 
     { "x264-params",  "Override the x264 configuration using a :-separated list of key=value parameters", OFFSET(x264_params), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE },
     { NULL },
@@ -779,7 +786,9 @@ static const AVCodecDefault x264_defaults[] = {
     { "sc_threshold",     "-1" },
 #endif
     { "trellis",          "-1" },
+#if FF_API_PRIVATE_OPT
     { "nr",               "-1" },
+#endif
     { "me_range",         "-1" },
 #if FF_API_MOTION_EST
     { "me_method",        "-1" },

libavcodec/libxavs.c

@@ -59,6 +59,7 @@ typedef struct XavsContext {
     int b_frame_strategy;
     int chroma_offset;
     int scenechange_threshold;
+    int noise_reduction;
 
     int64_t *pts_buffer;
     int out_frame_count;
@@ -368,7 +369,15 @@ FF_ENABLE_DEPRECATION_WARNINGS
     x4->params.analyse.b_transform_8x8    = 1; //avctx->flags2 & AV_CODEC_FLAG2_8X8DCT;
 
     x4->params.analyse.i_trellis          = avctx->trellis;
-    x4->params.analyse.i_noise_reduction  = avctx->noise_reduction;
+
+#if FF_API_PRIVATE_OPT
+    FF_DISABLE_DEPRECATION_WARNINGS
+    if (avctx->noise_reduction >= 0)
+        x4->noise_reduction = avctx->noise_reduction;
+    FF_ENABLE_DEPRECATION_WARNINGS
+#endif
+
+    x4->params.analyse.i_noise_reduction  = x4->noise_reduction;
 
     if (avctx->level > 0)
         x4->params.i_level_idc = avctx->level;
@@ -467,6 +476,7 @@ static const AVOption options[] = {
     { "b_strategy",    "Strategy to choose between I/P/B-frames",         OFFSET(b_frame_strategy), AV_OPT_TYPE_INT, {.i64 = 0 }, 0, 2, VE},
     { "chromaoffset", "QP difference between chroma and luma",           OFFSET(chroma_offset), AV_OPT_TYPE_INT, {.i64 = 0 }, INT_MIN, INT_MAX, VE},
     { "sc_threshold", "Scene change threshold",                           OFFSET(scenechange_threshold), AV_OPT_TYPE_INT, {.i64 = 0 }, 0, INT_MAX, VE},
+    { "noise_reduction", "Noise reduction",                               OFFSET(noise_reduction), AV_OPT_TYPE_INT, {.i64 = 0 }, 0, INT_MAX, VE},
 
     { NULL },
 };

libavcodec/mpegvideo.c

@@ -342,7 +342,7 @@ static int init_duplicate_context(MpegEncContext *s)
                           ME_MAP_SIZE * sizeof(uint32_t), fail)
         FF_ALLOCZ_OR_GOTO(s->avctx, s->me.score_map,
                           ME_MAP_SIZE * sizeof(uint32_t), fail)
-        if (s->avctx->noise_reduction) {
+        if (s->noise_reduction) {
             FF_ALLOCZ_OR_GOTO(s->avctx, s->dct_error_sum,
                               2 * 64 * sizeof(int), fail)
         }

libavcodec/mpegvideo.h

@@ -536,6 +536,7 @@ typedef struct MpegEncContext {
     int frame_skip_cmp;
 
     int scenechange_threshold;
+    int noise_reduction;
 } MpegEncContext;
 
 /* mpegvideo_enc common options */
@@ -609,6 +610,7 @@ FF_MPV_OPT_CMP_FUNC, \
 {"skip_exp", "Frame skip exponent",                                 FF_MPV_OFFSET(frame_skip_exp), AV_OPT_TYPE_INT, {.i64 = 0 }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS }, \
 {"skip_cmp", "Frame skip compare function",                         FF_MPV_OFFSET(frame_skip_cmp), AV_OPT_TYPE_INT, {.i64 = FF_CMP_DCTMAX }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, "cmp_func" }, \
 {"sc_threshold", "Scene change threshold",                          FF_MPV_OFFSET(scenechange_threshold), AV_OPT_TYPE_INT, {.i64 = 0 }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS }, \
+{"noise_reduction", "Noise reduction",                              FF_MPV_OFFSET(noise_reduction), AV_OPT_TYPE_INT, {.i64 = 0 }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS }, \
 
 extern const AVOption ff_mpv_generic_options[];
 

libavcodec/mpegvideo_enc.c

@@ -721,6 +721,13 @@ FF_ENABLE_DEPRECATION_WARNINGS
         return -1;
     }
 
+#if FF_API_PRIVATE_OPT
+    FF_DISABLE_DEPRECATION_WARNINGS
+    if (avctx->noise_reduction)
+        s->noise_reduction = avctx->noise_reduction;
+    FF_ENABLE_DEPRECATION_WARNINGS
+#endif
+
     avctx->has_b_frames = !s->low_delay;
 
     s->encoding = 1;
@@ -760,7 +767,8 @@ FF_ENABLE_DEPRECATION_WARNINGS
     FF_ALLOCZ_OR_GOTO(s->avctx, s->reordered_input_picture,
                       MAX_PICTURE_COUNT * sizeof(Picture *), fail);
 
-    if (s->avctx->noise_reduction) {
+
+    if (s->noise_reduction) {
         FF_ALLOCZ_OR_GOTO(s->avctx, s->dct_offset,
                           2 * 64 * sizeof(uint16_t), fail);
     }
@@ -1564,7 +1572,7 @@ static void update_noise_reduction(MpegEncContext *s)
         }
 
         for (i = 0; i < 64; i++) {
-            s->dct_offset[intra][i] = (s->avctx->noise_reduction *
+            s->dct_offset[intra][i] = (s->noise_reduction *
                                        s->dct_count[intra] +
                                        s->dct_error_sum[intra][i] / 2) /
                                       (s->dct_error_sum[intra][i] + 1);
@@ -1637,7 +1645,7 @@ static int frame_start(MpegEncContext *s)
     }
 
     if (s->dct_error_sum) {
-        assert(s->avctx->noise_reduction && s->encoding);
+        assert(s->noise_reduction && s->encoding);
         update_noise_reduction(s);
     }
 
@@ -3315,7 +3323,7 @@ static void merge_context_after_encode(MpegEncContext *dst, MpegEncContext *src)
     MERGE(current_picture.encoding_error[1]);
     MERGE(current_picture.encoding_error[2]);
 
-    if(dst->avctx->noise_reduction){
+    if (dst->noise_reduction){
         for(i=0; i<64; i++){
             MERGE(dct_error_sum[0][i]);
             MERGE(dct_error_sum[1][i]);

libavcodec/options_table.h

@@ -330,7 +330,9 @@ static const AVOption avcodec_options[] = {
 {"lmin", "deprecated, use encoder private options instead", OFFSET(lmin), AV_OPT_TYPE_INT, {.i64 =  0 }, 0, INT_MAX, V|E},
 {"lmax", "deprecated, use encoder private options instead", OFFSET(lmax), AV_OPT_TYPE_INT, {.i64 =  0 }, 0, INT_MAX, V|E},
 #endif
+#if FF_API_PRIVATE_OPT
 {"nr", "noise reduction", OFFSET(noise_reduction), AV_OPT_TYPE_INT, {.i64 = DEFAULT }, INT_MIN, INT_MAX, V|E},
+#endif
 {"rc_init_occupancy", "number of bits which should be loaded into the rc buffer before decoding starts", OFFSET(rc_initial_buffer_occupancy), AV_OPT_TYPE_INT, {.i64 = DEFAULT }, INT_MIN, INT_MAX, V|E},
 {"flags2", NULL, OFFSET(flags2), AV_OPT_TYPE_FLAGS, {.i64 = DEFAULT}, 0, UINT_MAX, V|A|E|D, "flags2"},
 #if FF_API_ERROR_RATE

tests/fate/vcodec.mak

@@ -162,7 +162,8 @@ fate-vsynth%-mpeg4-error:        ENCOPTS = -qscale 7 -flags +mv4+aic    \
                                            -data_partitioning 1 -mbd rd \
                                            -ps 250 -error_rate 10
 
-fate-vsynth%-mpeg4-nr:           ENCOPTS = -qscale 8 -flags +mv4 -mbd rd -nr 200
+fate-vsynth%-mpeg4-nr:           ENCOPTS = -qscale 8 -flags +mv4 -mbd rd \
+                                           -noise_reduction 200
 
 fate-vsynth%-mpeg4-qpel:         ENCOPTS = -qscale 7 -flags +mv4+qpel -mbd 2 \
                                            -bf 2 -cmp 1 -subcmp 2