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Fix to sample encoder: vpx_temporal_svc_encoder.c

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vp8 uses ts_target_bitrate for layer settings.

Change-Id: Ie72477b549051396feebff87a3744fed04366bf4
This commit is contained in:
Marco 2015-06-03 13:52:44 -07:00
parent 516c087c51
commit 5df6c04585
1 changed files with 10 additions and 5 deletions
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15
examples/vpx_temporal_svc_encoder.c
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@ -70,6 +70,7 @@ struct RateControlMetrics {
int window_size;
// Number of window measurements.
int window_count;
int layer_target_bitrate[VPX_MAX_LAYERS];
};
// Note: these rate control metrics assume only 1 key frame in the
@ -85,13 +86,13 @@ static void set_rate_control_metrics(struct RateControlMetrics *rc,
// per-frame-bandwidth, for the rate control encoding stats below.
const double framerate = cfg->g_timebase.den / cfg->g_timebase.num;
rc->layer_framerate[0] = framerate / cfg->ts_rate_decimator[0];
rc->layer_pfb[0] = 1000.0 * cfg->layer_target_bitrate[0] /
rc->layer_pfb[0] = 1000.0 * rc->layer_target_bitrate[0] /
rc->layer_framerate[0];
for (i = 0; i < cfg->ts_number_layers; ++i) {
if (i > 0) {
rc->layer_framerate[i] = framerate / cfg->ts_rate_decimator[i];
rc->layer_pfb[i] = 1000.0 *
(cfg->layer_target_bitrate[i] - cfg->layer_target_bitrate[i - 1]) /
(rc->layer_target_bitrate[i] - rc->layer_target_bitrate[i - 1]) /
(rc->layer_framerate[i] - rc->layer_framerate[i - 1]);
}
rc->layer_input_frames[i] = 0;
@ -128,7 +129,7 @@ static void printout_rate_control_summary(struct RateControlMetrics *rc,
rc->layer_avg_rate_mismatch[i] = 100.0 * rc->layer_avg_rate_mismatch[i] /
rc->layer_enc_frames[i];
printf("For layer#: %d \n", i);
printf("Bitrate (target vs actual): %d %f \n", cfg->layer_target_bitrate[i],
printf("Bitrate (target vs actual): %d %f \n", rc->layer_target_bitrate[i],
rc->layer_encoding_bitrate[i]);
printf("Average frame size (target vs actual): %f %f \n", rc->layer_pfb[i],
rc->layer_avg_frame_size[i]);
@ -597,7 +598,11 @@ int main(int argc, char **argv) {
for (i = min_args_base;
(int)i < min_args_base + mode_to_num_layers[layering_mode];
++i) {
cfg.layer_target_bitrate[i - 11] = strtol(argv[i], NULL, 0);
rc.layer_target_bitrate[i - 11] = strtol(argv[i], NULL, 0);
if (strncmp(encoder->name, "vp8", 3) == 0)
cfg.ts_target_bitrate[i - 11] = rc.layer_target_bitrate[i - 11];
else if (strncmp(encoder->name, "vp9", 3) == 0)
cfg.layer_target_bitrate[i - 11] = rc.layer_target_bitrate[i - 11];
}
// Real time parameters.
@ -636,7 +641,7 @@ int main(int argc, char **argv) {
// Target bandwidth for the whole stream.
// Set to layer_target_bitrate for highest layer (total bitrate).
cfg.rc_target_bitrate = cfg.layer_target_bitrate[cfg.ts_number_layers - 1];
cfg.rc_target_bitrate = rc.layer_target_bitrate[cfg.ts_number_layers - 1];
// Open input file.
if (!(infile = fopen(argv[1], "rb"))) {