shithub: libvpx

Download patch

ref: ebd4e47aa6e892556ada39ee7dce27b955493f83
parent: 19c492a749292e834dd6d0d26014b56a6e2dfb67
parent: 7b3136c8d760b8b086c54d65a16fc0b302ceac3d
author: Dmitry Kovalev <dkovalev@google.com>
date: Tue Jun 3 06:05:38 EDT 2014 

Merge "Moving first pass related functions to vp9_firstpasss.c."


--- a/vp9/encoder/vp9_encoder.c
+++ b/vp9/encoder/vp9_encoder.c
@@ -1439,21 +1439,6 @@
   vp8_yv12_extend_frame_borders_c(dst);
 }
 
-static int find_fp_qindex() {
-  int i;
-
-  for (i = 0; i < QINDEX_RANGE; i++) {
-    if (vp9_convert_qindex_to_q(i) >= 30.0) {
-      break;
-    }
-  }
-
-  if (i == QINDEX_RANGE)
-    i--;
-
-  return i;
-}
-
 #define WRITE_RECON_BUFFER 0
 #if WRITE_RECON_BUFFER
 void write_cx_frame_to_file(YV12_BUFFER_CONFIG *frame, int this_frame) {
@@ -2308,17 +2293,6 @@
   encode_frame_to_data_rate(cpi, size, dest, frame_flags);
 }
 
-static void Pass1Encode(VP9_COMP *cpi, size_t *size, uint8_t *dest,
-                        unsigned int *frame_flags) {
-  (void) size;
-  (void) dest;
-  (void) frame_flags;
-
-  vp9_rc_get_first_pass_params(cpi);
-  vp9_set_quantizer(&cpi->common, find_fp_qindex());
-  vp9_first_pass(cpi);
-}
-
 static void Pass2Encode(VP9_COMP *cpi, size_t *size,
                         uint8_t *dest, unsigned int *frame_flags) {
   cpi->allow_encode_breakout = ENCODE_BREAKOUT_ENABLED;
@@ -2658,7 +2632,7 @@
 
   if (cpi->pass == 1 &&
       (!cpi->use_svc || cpi->svc.number_temporal_layers == 1)) {
-    Pass1Encode(cpi, size, dest, frame_flags);
+    vp9_first_pass(cpi);
   } else if (cpi->pass == 2 &&
       (!cpi->use_svc || cpi->svc.number_temporal_layers == 1)) {
     Pass2Encode(cpi, size, dest, frame_flags);
--- a/vp9/encoder/vp9_firstpass.c
+++ b/vp9/encoder/vp9_firstpass.c
@@ -398,6 +398,32 @@
   }
 }
 
+static int find_fp_qindex() {
+  int i;
+
+  for (i = 0; i < QINDEX_RANGE; ++i)
+    if (vp9_convert_qindex_to_q(i) >= 30.0)
+      break;
+
+  if (i == QINDEX_RANGE)
+    i--;
+
+  return i;
+}
+
+static void set_first_pass_params(VP9_COMP *cpi) {
+  VP9_COMMON *const cm = &cpi->common;
+  if (!cpi->refresh_alt_ref_frame &&
+      (cm->current_video_frame == 0 ||
+       (cpi->frame_flags & FRAMEFLAGS_KEY))) {
+    cm->frame_type = KEY_FRAME;
+  } else {
+    cm->frame_type = INTER_FRAME;
+  }
+  // Do not use periodic key frames.
+  cpi->rc.frames_to_key = INT_MAX;
+}
+
 void vp9_first_pass(VP9_COMP *cpi) {
   int mb_row, mb_col;
   MACROBLOCK *const x = &cpi->mb;
@@ -438,6 +464,9 @@
 
   vp9_clear_system_state();
 
+  set_first_pass_params(cpi);
+  vp9_set_quantizer(cm, find_fp_qindex());
+
   if (cpi->use_svc && cpi->svc.number_temporal_layers == 1) {
     MV_REFERENCE_FRAME ref_frame = LAST_FRAME;
     const YV12_BUFFER_CONFIG *scaled_ref_buf = NULL;
@@ -2049,19 +2078,6 @@
   // The count of bits left is adjusted elsewhere based on real coded frame
   // sizes.
   twopass->modified_error_left -= kf_group_err;
-}
-
-void vp9_rc_get_first_pass_params(VP9_COMP *cpi) {
-  VP9_COMMON *const cm = &cpi->common;
-  if (!cpi->refresh_alt_ref_frame &&
-      (cm->current_video_frame == 0 ||
-       (cpi->frame_flags & FRAMEFLAGS_KEY))) {
-    cm->frame_type = KEY_FRAME;
-  } else {
-    cm->frame_type = INTER_FRAME;
-  }
-  // Do not use periodic key frames.
-  cpi->rc.frames_to_key = INT_MAX;
 }
 
 // For VBR...adjustment to the frame target based on error from previous frames