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TAV: video with TAD audio playback

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minjaesong
2025-10-24 18:03:23 +09:00
parent 3adc50365b
commit 56a1bac19a
8 changed files with 19 additions and 12 deletions
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2
video_encoder/encoder_tad.c
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@@ -146,7 +146,7 @@ static void get_quantization_weights(int quality, int dwt_levels, float *weights
/*15*/{0.2f, 0.2f, 0.8f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.25f, 1.5f, 1.5f}
};
float quality_scale = 4.0f * (1.0f + FCLAMP((4 - quality) * 0.5f, 0.0f, 1000.0f));
float quality_scale = 4.0f * (1.0f + FCLAMP((5 - quality) * 0.5f, 0.0f, 1000.0f));
for (int i = 0; i < dwt_levels; i++) {
weights[i] = base_weights[dwt_levels][i] * quality_scale;

7
video_encoder/encoder_tav.c
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@@ -132,11 +132,11 @@ static int needs_alpha_channel(int channel_layout) {
#define DEFAULT_ZSTD_LEVEL 15
#define DEFAULT_PCM_ZSTD_LEVEL 3
#define TEMPORAL_GOP_SIZE 24
#define TEMPORAL_GOP_SIZE_MIN 8 // Minimum GOP size to avoid decoder hiccups
#define TEMPORAL_GOP_SIZE_MIN 10 // Minimum GOP size to avoid decoder hiccups
#define TEMPORAL_DECOMP_LEVEL 2
#define SCENE_CHANGE_THRESHOLD_SOFT 0.6
#define SCENE_CHANGE_THRESHOLD_HARD 0.8
#define SCENE_CHANGE_THRESHOLD_SOFT 0.72
#define SCENE_CHANGE_THRESHOLD_HARD 0.90
#define MOTION_THRESHOLD 24.0f // Flush if motion exceeds 24 pixels in any direction
// Audio/subtitle constants (reused from TEV)
@@ -8926,6 +8926,7 @@ static int write_tad_packet_samples(tav_encoder_t *enc, FILE *output, int sample
uint32_t tav_payload_size = (uint32_t)tad_payload_size;
uint32_t tav_payload_size_plus_6 = (uint32_t)tad_payload_size + 6;
fwrite(&sample_count, sizeof(uint16_t), 1, output);
fwrite(&tav_payload_size_plus_6, sizeof(uint32_t), 1, output);
fwrite(&sample_count, sizeof(uint16_t), 1, output);
fwrite(&tav_payload_size, sizeof(uint32_t), 1, output);