ref: 2ccee3928d9bb2995dbf634ac6f9f172d4d86f3f
parent: 5b63f0f821e94f8072eb483014cfc33b05978bb9
author: Angie Chiang <angiebird@google.com>
date: Thu Nov 19 14:55:33 EST 2020
Allow user to set rc_mode and cq_level in SimpleEncode Change-Id: If3f56837e2c78a8b0fe7e0040f297c3f3ddb9c8b
--- a/vp9/simple_encode.cc
+++ b/vp9/simple_encode.cc
@@ -765,6 +765,16 @@
SET_STRUCT_VALUE(config, oxcf, ret, encode_breakout);
SET_STRUCT_VALUE(config, oxcf, ret, enable_tpl_model);
SET_STRUCT_VALUE(config, oxcf, ret, enable_auto_arf);
+ if (strcmp(config.name, "rc_mode") == 0) {+ int rc_mode = atoi(config.value);
+ if (rc_mode >= VPX_VBR && rc_mode <= VPX_Q) {+ oxcf->rc_mode = (enum vpx_rc_mode)rc_mode;
+ ret = 1;
+ } else {+ fprintf(stderr, "Invalid rc_mode value: %d\n", rc_mode);
+ }
+ }
+ SET_STRUCT_VALUE(config, oxcf, ret, cq_level);
if (ret == 0) {fprintf(stderr, "Ignored unsupported encode_config %s\n", config.name);
}
--- a/vp9/simple_encode.h
+++ b/vp9/simple_encode.h
@@ -361,21 +361,32 @@
// The following configs in VP9EncoderConfig are allowed to change in this
// function. See https://ffmpeg.org/ffmpeg-codecs.html#libvpx for each
// config's meaning.
- // Configs in VP9EncoderConfig: Equivalent configs in ffmpeg:
- // 1 key_freq -g
- // 2 two_pass_vbrmin_section -minrate * 100LL / bit_rate
- // 3 two_pass_vbrmax_section -maxrate * 100LL / bit_rate
- // 4 under_shoot_pct -undershoot-pct
- // 5 over_shoot_pct -overshoot-pct
- // 6 max_threads -threads
- // 7 frame_parallel_decoding_mode -frame-parallel
- // 8 tile_column -tile-columns
- // 9 arnr_max_frames -arnr-maxframes
- // 10 arnr_strength -arnr-strength
- // 11 lag_in_frames -rc_lookahead
- // 12 encode_breakout -static-thresh
- // 13 enable_tpl_model -enable-tpl
- // 14 enable_auto_arf -auto-alt-ref
+ // Configs in VP9EncoderConfig: Equivalent configs in ffmpeg:
+ // 1 key_freq -g
+ // 2 two_pass_vbrmin_section -minrate * 100LL / bit_rate
+ // 3 two_pass_vbrmax_section -maxrate * 100LL / bit_rate
+ // 4 under_shoot_pct -undershoot-pct
+ // 5 over_shoot_pct -overshoot-pct
+ // 6 max_threads -threads
+ // 7 frame_parallel_decoding_mode -frame-parallel
+ // 8 tile_column -tile-columns
+ // 9 arnr_max_frames -arnr-maxframes
+ // 10 arnr_strength -arnr-strength
+ // 11 lag_in_frames -rc_lookahead
+ // 12 encode_breakout -static-thresh
+ // 13 enable_tpl_model -enable-tpl
+ // 14 enable_auto_arf -auto-alt-ref
+ // 15 rc_mode
+ // Possible Settings:
+ // 0 - Variable Bit Rate (VPX_VBR) -b:v <bit_rate>
+ // 1 - Constant Bit Rate (VPX_CBR) -b:v <bit_rate> -minrate <bit_rate>
+ // -maxrate <bit_rate>
+ // two_pass_vbrmin_section == 100 i.e. bit_rate == minrate == maxrate
+ // two_pass_vbrmax_section == 100
+ // 2 - Constrained Quality (VPX_CQ) -crf <cq_level> -b:v bit_rate
+ // 3 - Constant Quality (VPX_Q) -crf <cq_level> -b:v 0
+ // See https://trac.ffmpeg.org/wiki/Encode/VP9 for more details.
+ // 16 cq_level see rc_mode for details.
StatusCode SetEncodeConfig(const char *name, const char *value);
// A debug function that dumps configs from VP9EncoderConfig