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tav: temporal CDF 5/3 is causing coeff overflow on -q 5, replacing with Haar+sports mode

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minjaesong
2025-12-02 16:07:02 +09:00
parent 046fa98025
commit bc5779d4f5
5 changed files with 1948 additions and 15 deletions
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14
video_encoder/decoder_tav_dt.c
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@@ -702,15 +702,15 @@ int main(int argc, char *argv[]) {
.decomp_levels = 4, // TAV-DT fixed: 4 spatial levels
.temporal_levels = 2, // TAV-DT fixed: 2 temporal levels
.wavelet_filter = 1, // TAV-DT fixed: CDF 9/7
.temporal_wavelet = 1, // TAV-DT fixed: CDF 5/3 (NOT Haar!)
.temporal_wavelet = 0, // TAV-DT fixed: Haar
.entropy_coder = 1, // TAV-DT fixed: EZBC
.channel_layout = 0, // TAV-DT fixed: YCoCg-R
.perceptual_tuning = 1, // TAV-DT fixed: Perceptual
.quantiser_y = (uint8_t)quant_y, // From DT quality map
.quantiser_co = (uint8_t)quant_co,
.quantiser_cg = (uint8_t)quant_cg,
.encoder_preset = 0, // No special presets
.monoblock = 1 // TAV-DT fixed: Single tile
.encoder_preset = 1, // Sports mode
.monoblock = 1 // TAV-DT fixed: Single tile
};
decoder.video_ctx = tav_video_create(&video_params);
@@ -734,9 +734,7 @@ int main(int argc, char *argv[]) {
long start_pos = ftell(decoder.input_fp);
// Pass 1: Process all packets for audio only
if (decoder.verbose) {
printf("\n=== Pass 1: Extracting audio ===\n");
}
printf("\n=== Pass 1: Extracting audio ===\n");
while ((result = process_dt_packet(&decoder)) == 0) {
// Continue processing (only audio is written)
}
@@ -754,9 +752,7 @@ int main(int argc, char *argv[]) {
}
// Pass 2: Rewind and process all packets for video
if (decoder.verbose) {
printf("\n=== Pass 2: Decoding video ===\n");
}
printf("\n=== Pass 2: Decoding video ===\n");
fseek(decoder.input_fp, start_pos, SEEK_SET);
decoder.packets_processed = 0; // Reset statistics
decoder.frames_decoded = 0;