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TAV: interlaced mode

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minjaesong
2025-10-07 17:51:47 +09:00
parent 3c9441e67f
commit da084c0074
3 changed files with 100 additions and 5 deletions
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17
video_encoder/encoder_tav.c
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@@ -2370,6 +2370,7 @@ static int write_tav_header(tav_encoder_t *enc) {
fputc(version, enc->output_fp);
// Video parameters
// For interlaced: enc->height is already halved internally, so double it back for display height
uint16_t height = enc->progressive_mode ? enc->height : enc->height * 2;
fwrite(&enc->width, sizeof(uint16_t), 1, enc->output_fp);
fwrite(&height, sizeof(uint16_t), 1, enc->output_fp);
@@ -3367,6 +3368,7 @@ int main(int argc, char *argv[]) {
{"input", required_argument, 0, 'i'},
{"output", required_argument, 0, 'o'},
{"size", required_argument, 0, 's'},
{"dimension", required_argument, 0, 's'},
{"fps", required_argument, 0, 'f'},
{"quality", required_argument, 0, 'q'},
{"quantizer", required_argument, 0, 'Q'},
@@ -3381,13 +3383,17 @@ int main(int argc, char *argv[]) {
{"test", no_argument, 0, 't'},
{"lossless", no_argument, 0, 1000},
{"intra-only", no_argument, 0, 1006},
{"intraonly", no_argument, 0, 1006},
{"ictcp", no_argument, 0, 1005},
{"no-perceptual-tuning", no_argument, 0, 1007},
{"no-dead-zone", no_argument, 0, 1013},
{"no-deadzone", no_argument, 0, 1013},
{"encode-limit", required_argument, 0, 1008},
{"dump-frame", required_argument, 0, 1009},
{"fontrom-lo", required_argument, 0, 1011},
{"fontrom-low", required_argument, 0, 1011},
{"fontrom-hi", required_argument, 0, 1012},
{"fontrom-high", required_argument, 0, 1012},
{"zstd-level", required_argument, 0, 1014},
{"interlace", no_argument, 0, 1015},
{"interlaced", no_argument, 0, 1015},
@@ -3396,7 +3402,7 @@ int main(int argc, char *argv[]) {
};
int c, option_index = 0;
while ((c = getopt_long(argc, argv, "i:o:s:f:q:Q:a:w:c:d:b:pS:vt", long_options, &option_index)) != -1) {
while ((c = getopt_long(argc, argv, "i:o:s:f:q:Q:a:w:c:d:b:S:vt?", long_options, &option_index)) != -1) {
switch (c) {
case 'i':
enc->input_file = strdup(optarg);
@@ -3570,6 +3576,15 @@ int main(int argc, char *argv[]) {
enc->quantiser_cg = enc->quantiser_co;
}
// Halve internal height for interlaced mode (FFmpeg will output half-height fields)
if (!enc->progressive_mode) {
enc->height = enc->height / 2;
if (enc->verbose) {
printf("Interlaced mode: internal height adjusted to %d\n", enc->height);
}
enc->intra_only = 1;
}
// disable perceptual tuning if wavelet filter is not CDF 9/7
if (enc->wavelet_filter != WAVELET_9_7_IRREVERSIBLE) {
enc->perceptual_tuning = 0;