Remove declaration of non-existing functions

[ffmpeg] / libavcodec / dnxhdenc.c

diff --git a/libavcodec/dnxhdenc.c b/libavcodec/dnxhdenc.c
index 3daa46b85649f19dcc6d1c17a931ecaea9117e09..3da6a1a67b2382446f75619b723de4e316bef7a5 100644 (file)
--- a/libavcodec/dnxhdenc.c
+++ b/libavcodec/dnxhdenc.c
@@ -171,23 +171,12 @@ static int dnxhd_encode_init(AVCodecContext *avctx)
     DNXHDEncContext *ctx = avctx->priv_data;
     int i, index;
 
-    if (avctx->flags & CODEC_FLAG_INTERLACED_DCT) {
-        if      (avctx->bit_rate == 120000000)
-            ctx->cid = 1242;
-        else if (avctx->bit_rate == 185000000)
-            ctx->cid = 1243;
-    } else {
-        if      (avctx->bit_rate == 120000000)
-            ctx->cid = 1237;
-        else if (avctx->bit_rate == 185000000)
-            ctx->cid = 1238;
-        else if (avctx->bit_rate ==  36000000)
-            ctx->cid = 1253;
-    }
-    if (!ctx->cid || avctx->width != 1920 || avctx->height != 1080 || avctx->pix_fmt != PIX_FMT_YUV422P) {
+    ctx->cid = ff_dnxhd_find_cid(avctx);
+    if (!ctx->cid || avctx->pix_fmt != PIX_FMT_YUV422P) {
         av_log(avctx, AV_LOG_ERROR, "video parameters incompatible with DNxHD\n");
         return -1;
     }
+    av_log(avctx, AV_LOG_DEBUG, "cid %d\n", ctx->cid);
 
     index = ff_dnxhd_get_cid_table(ctx->cid);
     ctx->cid_table = &ff_dnxhd_cid_table[index];
@@ -421,7 +410,7 @@ static av_always_inline void dnxhd_get_blocks(DNXHDEncContext *ctx, int mb_x, in
     dsp->get_pixels(ctx->blocks[2], ptr_u    , ctx->m.uvlinesize);
     dsp->get_pixels(ctx->blocks[3], ptr_v    , ctx->m.uvlinesize);
 
-    if (mb_y+1 == ctx->m.mb_height) {
+    if (mb_y+1 == ctx->m.mb_height && ctx->m.avctx->height == 1080) {
         if (ctx->interlaced) {
             dnxhd_get_pixels_4x8(ctx->blocks[4], ptr_y + ctx->dct_y_offset    , ctx->m.linesize);
             dnxhd_get_pixels_4x8(ctx->blocks[5], ptr_y + ctx->dct_y_offset + 8, ctx->m.linesize);
@@ -573,27 +562,23 @@ static int dnxhd_mb_var_thread(AVCodecContext *avctx, void *arg)
 
 static int dnxhd_encode_rdo(AVCodecContext *avctx, DNXHDEncContext *ctx)
 {
-    unsigned lambda, up_lambda, down_lambda;
+    int lambda, up_step, down_step;
+    int last_lower = INT_MAX, last_higher = 0;
     int x, y, q;
 
     for (q = 1; q < avctx->qmax; q++) {
         ctx->qscale = q;
         avctx->execute(avctx, dnxhd_calc_bits_thread, (void**)&ctx->thread[0], NULL, avctx->thread_count);
     }
-    up_lambda = avctx->qmax<<LAMBDA_FRAC_BITS;
-    down_lambda = 1; // higher ?
+    up_step = down_step = 2<<LAMBDA_FRAC_BITS;
     lambda = ctx->lambda;
 
     for (;;) {
         int bits = 0;
         int end = 0;
-        if (lambda == up_lambda) {
-            lambda--;
-            end = 1; // need to set final qscales/bits
-        }
-        if (lambda == down_lambda) {
+        if (lambda == last_higher) {
             lambda++;
-            end = 1;
+            end = 1; // need to set final qscales/bits
         }
         for (y = 0; y < ctx->m.mb_height; y++) {
             for (x = 0; x < ctx->m.mb_width; x++) {
@@ -615,20 +600,35 @@ static int dnxhd_encode_rdo(AVCodecContext *avctx, DNXHDEncContext *ctx)
             if (bits > ctx->frame_bits)
                 break;
         }
-        //dprintf(ctx->m.avctx, "lambda %d, up %d, down %d, bits %d, frame %d\n", lambda, up_lambda, down_lambda, bits, ctx->frame_bits);
+        //dprintf(ctx->m.avctx, "lambda %d, up %u, down %u, bits %d, frame %d\n",
+        //        lambda, last_higher, last_lower, bits, ctx->frame_bits);
         if (end) {
             if (bits > ctx->frame_bits)
                 return -1;
             break;
         }
         if (bits < ctx->frame_bits) {
-            up_lambda = lambda;
-            lambda = (down_lambda+lambda)>>1;
+            last_lower = FFMIN(lambda, last_lower);
+            if (last_higher != 0)
+                lambda = (lambda+last_higher)>>1;
+            else
+                lambda -= down_step;
+            down_step *= 5; // XXX tune ?
+            up_step = 1<<LAMBDA_FRAC_BITS;
+            lambda = FFMAX(1, lambda);
+            if (lambda == last_lower)
+                break;
         } else {
-            down_lambda = lambda;
-            lambda = (up_lambda+lambda)>>1;
+            last_higher = FFMAX(lambda, last_higher);
+            if (last_lower != INT_MAX)
+                lambda = (lambda+last_lower)>>1;
+            else
+                lambda += up_step;
+            up_step *= 5;
+            down_step = 1<<LAMBDA_FRAC_BITS;
         }
     }
+    //dprintf(ctx->m.avctx, "out lambda %d\n", lambda);
     ctx->lambda = lambda;
     return 0;
 }
@@ -660,7 +660,7 @@ static int dnxhd_find_qscale(DNXHDEncContext *ctx)
         //        ctx->m.avctx->frame_number, qscale, bits, ctx->frame_bits, last_higher, last_lower);
         if (bits < ctx->frame_bits) {
             if (qscale == 1)
-                break;
+                return 1;
             if (last_higher == qscale - 1) {
                 qscale = last_higher;
                 break;
@@ -693,14 +693,14 @@ static int dnxhd_find_qscale(DNXHDEncContext *ctx)
 
 static int dnxhd_rc_cmp(const void *a, const void *b)
 {
-    return ((RCCMPEntry *)b)->value - ((RCCMPEntry *)a)->value;
+    return ((const RCCMPEntry *)b)->value - ((const RCCMPEntry *)a)->value;
 }
 
-static int dnxhd_encode_variance(AVCodecContext *avctx, DNXHDEncContext *ctx)
+static int dnxhd_encode_fast(AVCodecContext *avctx, DNXHDEncContext *ctx)
 {
     int max_bits = 0;
-    int x, y;
-    if (dnxhd_find_qscale(ctx) < 0)
+    int ret, x, y;
+    if ((ret = dnxhd_find_qscale(ctx)) < 0)
         return -1;
     for (y = 0; y < ctx->m.mb_height; y++) {
         for (x = 0; x < ctx->m.mb_width; x++) {
@@ -719,7 +719,7 @@ static int dnxhd_encode_variance(AVCodecContext *avctx, DNXHDEncContext *ctx)
         }
         max_bits += 31; //worst padding
     }
-    if (max_bits > ctx->frame_bits) {
+    if (!ret) {
         if (RC_VARIANCE)
             avctx->execute(avctx, dnxhd_mb_var_thread, (void**)&ctx->thread[0], NULL, avctx->thread_count);
         qsort(ctx->mb_cmp, ctx->m.mb_num, sizeof(RCEntry), dnxhd_rc_cmp);
@@ -733,7 +733,7 @@ static int dnxhd_encode_variance(AVCodecContext *avctx, DNXHDEncContext *ctx)
     return 0;
 }
 
-static void dnxhd_load_picture(DNXHDEncContext *ctx, AVFrame *frame)
+static void dnxhd_load_picture(DNXHDEncContext *ctx, const AVFrame *frame)
 {
     int i;
 
@@ -753,7 +753,7 @@ static void dnxhd_load_picture(DNXHDEncContext *ctx, AVFrame *frame)
     ctx->cur_field = frame->interlaced_frame && !frame->top_field_first;
 }
 
-static int dnxhd_encode_picture(AVCodecContext *avctx, unsigned char *buf, int buf_size, void *data)
+static int dnxhd_encode_picture(AVCodecContext *avctx, unsigned char *buf, int buf_size, const void *data)
 {
     DNXHDEncContext *ctx = avctx->priv_data;
     int first_field = 1;
@@ -778,7 +778,7 @@ static int dnxhd_encode_picture(AVCodecContext *avctx, unsigned char *buf, int b
     if (avctx->mb_decision == FF_MB_DECISION_RD)
         ret = dnxhd_encode_rdo(avctx, ctx);
     else
-        ret = dnxhd_encode_variance(avctx, ctx);
+        ret = dnxhd_encode_fast(avctx, ctx);
     if (ret < 0) {
         av_log(avctx, AV_LOG_ERROR, "picture could not fit ratecontrol constraints\n");
         return -1;