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Wait for bitstream immediately after encoding the frame.

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- This should reduce the encoding delay by one frame when encoding in
  real time.
This commit is contained in:
Ari Koivula 2015-05-18 16:56:54 +03:00 committed by Arttu Ylä-Outinen
parent ad11d1bca5
commit f87cea78da
1 changed files with 14 additions and 14 deletions
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28
src/encmain.c
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@ -195,21 +195,8 @@ int main(int argc, char *argv[])
double psnr_sum[3] = { 0.0, 0.0, 0.0 }; double psnr_sum[3] = { 0.0, 0.0, 0.0 };
// Start coding cycle while data on input and not on the last frame // Start coding cycle while data on input and not on the last frame
encoder_state_t *state = &enc->states[current_encoder_state];
while (cfg->frames == 0 || frames_started < cfg->frames) { while (cfg->frames == 0 || frames_started < cfg->frames) {
encoder_state_t *state = &enc->states[current_encoder_state];
// If we have started as many frames as we are going to encode in parallel, wait for the first one we started encoding to finish before
// encoding more.
if (frames_started > cfg->owf) {
double frame_psnr[3] = { 0.0, 0.0, 0.0 };
encoder_compute_stats(&enc->states[current_encoder_state], recout, frame_psnr, &bitstream_length);
frames_done += 1;
psnr_sum[0] += frame_psnr[0];
psnr_sum[1] += frame_psnr[1];
psnr_sum[2] += frame_psnr[2];
print_frame_info(state, frame_psnr);
}
frames_started += 1; frames_started += 1;
//Clear encoder //Clear encoder
@ -232,6 +219,19 @@ int main(int argc, char *argv[])
//Switch to the next encoder //Switch to the next encoder
current_encoder_state = (current_encoder_state + 1) % (encoder->owf + 1); current_encoder_state = (current_encoder_state + 1) % (encoder->owf + 1);
state = &enc->states[current_encoder_state];
// If all frame encoders are in use, wait for the next encoder to finish.
if (frames_started >= enc->num_encoder_states) {
double frame_psnr[3] = { 0.0, 0.0, 0.0 };
encoder_compute_stats(state, recout, frame_psnr, &bitstream_length);
frames_done += 1;
psnr_sum[0] += frame_psnr[0];
psnr_sum[1] += frame_psnr[1];
psnr_sum[2] += frame_psnr[2];
print_frame_info(state, frame_psnr);
}
} }
//Compute stats for the remaining encoders //Compute stats for the remaining encoders