Commit d9f898ab authored by John Koleszar's avatar John Koleszar Committed by Code Review
Browse files

Merge "Add rc_max_intra_bitrate_pct control"

parents 2089b2ce aa926fbd
......@@ -109,6 +109,7 @@ extern "C"
int noise_sensitivity; // parameter used for applying pre processing blur: recommendation 0
int Sharpness; // parameter used for sharpening output: recommendation 0:
int cpu_used;
unsigned int rc_max_intra_bitrate_pct;
// mode ->
//(0)=Realtime/Live Encoding. This mode is optimized for realtim encoding (for example, capturing
......
......@@ -2704,6 +2704,19 @@ static int pick_frame_size(VP8_COMP *cpi)
}
}
/* Apply limits on keyframe target.
*
* TODO: move this after consolidating
* vp8_calc_iframe_target_size() and vp8_calc_auto_iframe_target_size()
*/
if (cm->frame_type == KEY_FRAME && cpi->oxcf.rc_max_intra_bitrate_pct)
{
unsigned int max_rate = cpi->av_per_frame_bandwidth
* cpi->oxcf.rc_max_intra_bitrate_pct / 100;
if (cpi->this_frame_target > max_rate)
cpi->this_frame_target = max_rate;
}
return 1;
}
......
......@@ -304,6 +304,7 @@ static vpx_codec_err_t set_vp8e_config(VP8_CONFIG *oxcf,
}
oxcf->target_bandwidth = cfg.rc_target_bitrate;
oxcf->rc_max_intra_bitrate_pct = cfg.rc_max_intra_bitrate_pct;
oxcf->best_allowed_q = cfg.rc_min_quantizer;
oxcf->worst_allowed_q = cfg.rc_max_quantizer;
......@@ -1083,7 +1084,7 @@ static vpx_codec_enc_cfg_map_t vp8e_usage_cfg_map[] =
{0}, /* rc_twopass_stats_in */
#endif
256, /* rc_target_bandwidth */
0, /* rc_max_intra_bitrate_pct */
4, /* rc_min_quantizer */
63, /* rc_max_quantizer */
95, /* rc_undershoot_pct */
......
......@@ -398,6 +398,21 @@ extern "C" {
unsigned int rc_target_bitrate;
/*!\brief Max data rate for Intra frames
*
* This value controls additional clamping on the maximum size of a
* keyframe. It is expressed as a percentage of the average
* per-frame bitrate, with the special (and default) value 0 meaning
* unlimited, or no additional clamping beyond the codec's built-in
* algorithm.
*
* For example, to allocate no more than 4.5 frames worth of bitrate
* to a keyframe, set this to 450.
*
*/
unsigned int rc_max_intra_bitrate_pct;
/*
* quantizer settings
*/
......
......@@ -962,11 +962,14 @@ static const arg_def_t buf_initial_sz = ARG_DEF(NULL, "buf-initial-sz", 1,
"Client initial buffer size (ms)");
static const arg_def_t buf_optimal_sz = ARG_DEF(NULL, "buf-optimal-sz", 1,
"Client optimal buffer size (ms)");
static const arg_def_t max_intra_rate_pct = ARG_DEF(NULL, "max-intra-rate", 1,
"Max I-frame bitrate (pct)");
static const arg_def_t *rc_args[] =
{
&dropframe_thresh, &resize_allowed, &resize_up_thresh, &resize_down_thresh,
&end_usage, &target_bitrate, &min_quantizer, &max_quantizer,
&undershoot_pct, &overshoot_pct, &buf_sz, &buf_initial_sz, &buf_optimal_sz,
&max_intra_rate_pct,
NULL
};
......@@ -1279,6 +1282,8 @@ int main(int argc, const char **argv_)
cfg.rc_end_usage = arg_parse_enum_or_int(&arg);
else if (arg_match(&arg, &target_bitrate, argi))
cfg.rc_target_bitrate = arg_parse_uint(&arg);
else if (arg_match(&arg, &max_intra_rate_pct, argi))
cfg.rc_max_intra_bitrate_pct = arg_parse_uint(&arg);
else if (arg_match(&arg, &min_quantizer, argi))
cfg.rc_min_quantizer = arg_parse_uint(&arg);
else if (arg_match(&arg, &max_quantizer, argi))
......
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