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TAV: half-fixed 3d dwt playback

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minjaesong
2025-10-22 01:32:19 +09:00
parent 9ac0424be3
commit 4eec98cdca
6 changed files with 278 additions and 467 deletions
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69
video_encoder/tav_inspector.c
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@@ -18,6 +18,11 @@
#define TAV_PACKET_IFRAME 0x10
#define TAV_PACKET_PFRAME 0x11
#define TAV_PACKET_GOP_UNIFIED 0x12 // Unified 3D DWT GOP (all frames in single block)
#define TAV_PACKET_GOP_UNIFIED_MOTION 0x13
#define TAV_PACKET_PFRAME_RESIDUAL 0x14 // P-frame with MPEG-style residual coding (block motion compensation)
#define TAV_PACKET_BFRAME_RESIDUAL 0x15 // B-frame with MPEG-style residual coding (bidirectional prediction)
#define TAV_PACKET_PFRAME_ADAPTIVE 0x16 // P-frame with adaptive quad-tree block partitioning
#define TAV_PACKET_BFRAME_ADAPTIVE 0x17 // B-frame with adaptive quad-tree block partitioning (bidirectional prediction)
#define TAV_PACKET_AUDIO_MP2 0x20
#define TAV_PACKET_SUBTITLE 0x30
#define TAV_PACKET_SUBTITLE_KAR 0x31
@@ -59,6 +64,7 @@ typedef struct {
int pframe_delta_count;
int pframe_skip_count;
int gop_unified_count;
int gop_unified_motion_count;
int gop_sync_count;
int total_gop_frames;
int audio_count;
@@ -94,6 +100,11 @@ const char* get_packet_type_name(uint8_t type) {
case TAV_PACKET_IFRAME: return "I-FRAME";
case TAV_PACKET_PFRAME: return "P-FRAME";
case TAV_PACKET_GOP_UNIFIED: return "GOP (3D DWT Unified)";
case TAV_PACKET_GOP_UNIFIED_MOTION: return "GOP (3D DWT Unified with Motion Data)";
case TAV_PACKET_PFRAME_RESIDUAL: return "P-FRAME (residual)";
case TAV_PACKET_BFRAME_RESIDUAL: return "B-FRAME (residual)";
case TAV_PACKET_PFRAME_ADAPTIVE: return "P-FRAME (quadtree)";
case TAV_PACKET_BFRAME_ADAPTIVE: return "B-FRAME (quadtree)";
case TAV_PACKET_AUDIO_MP2: return "AUDIO MP2";
case TAV_PACKET_SUBTITLE: return "SUBTITLE (Simple)";
case TAV_PACKET_SUBTITLE_KAR: return "SUBTITLE (Karaoke)";
@@ -246,9 +257,10 @@ void print_extended_header(FILE *fp, int verbose) {
if (verbose) {
if (strcmp(key, "CDAT") == 0) {
time_t time_sec = value / 1000000000ULL;
char *time_str = ctime(&time_sec);
if (time_str) {
time_str[strlen(time_str)-1] = '\0'; // Remove newline
struct tm *time_info = gmtime(&time_sec);
if (time_info) {
char time_str[64];
strftime(time_str, sizeof(time_str), "%a %b %d %H:%M:%S %Y UTC", time_info);
printf("%s", time_str);
}
} else {
@@ -484,48 +496,37 @@ int main(int argc, char *argv[]) {
break;
}
case TAV_PACKET_GOP_UNIFIED: {
case TAV_PACKET_GOP_UNIFIED: case TAV_PACKET_GOP_UNIFIED_MOTION: {
// Unified GOP packet: [gop_size][motion_vectors...][compressed_size][data]
uint8_t gop_size;
if (fread(&gop_size, 1, 1, fp) != 1) break;
// Read all motion vectors
int16_t *motion_x = malloc(gop_size * sizeof(int16_t));
int16_t *motion_y = malloc(gop_size * sizeof(int16_t));
for (int i = 0; i < gop_size; i++) {
if (fread(&motion_x[i], sizeof(int16_t), 1, fp) != 1) break;
if (fread(&motion_y[i], sizeof(int16_t), 1, fp) != 1) break;
// Read motion vectors
uint32_t size0 = 0;
if (packet_type == TAV_PACKET_GOP_UNIFIED_MOTION) {
if (fread(&size0, sizeof(uint32_t), 1, fp) != 1) { break; }
stats.total_video_bytes += size0;
stats.gop_unified_motion_count++;
fseek(fp, size0, SEEK_CUR);
}
// Read compressed data size
uint32_t size;
if (fread(&size, sizeof(uint32_t), 1, fp) != 1) {
free(motion_x);
free(motion_y);
break;
}
uint32_t size1;
if (fread(&size1, sizeof(uint32_t), 1, fp) != 1) { break; }
stats.total_video_bytes += size1;
fseek(fp, size1, SEEK_CUR);
stats.total_video_bytes += size;
stats.gop_unified_count++;
stats.total_gop_frames += gop_size;
if (packet_type == TAV_PACKET_GOP_UNIFIED) {
stats.gop_unified_count++;
}
if (!opts.summary_only && display) {
printf(" - GOP size=%u, data size=%u bytes (%.2f bytes/frame)",
gop_size, size, (double)size / gop_size);
// Always show motion vectors for GOP packets with absolute frame numbers
if (gop_size > 0) {
printf("\n Motion vectors (1/16-pixel):");
for (int i = 0; i < gop_size; i++) {
printf("\n Frame %d (#%d): (%.3f, %.3f) px",
current_frame + i, i, motion_x[i] / 16.0, motion_y[i] / 16.0);
}
}
gop_size, (size0 + size1), (double)(size0 + size1) / gop_size);
}
free(motion_x);
free(motion_y);
fseek(fp, size, SEEK_CUR);
break;
}
@@ -714,10 +715,10 @@ int main(int argc, char *argv[]) {
printf(")");
}
printf("\n");
if (stats.gop_unified_count > 0) {
if (stats.gop_unified_count + stats.gop_unified_motion_count > 0) {
printf(" 3D GOP packets: %d (total frames: %d, avg %.1f frames/GOP)\n",
stats.gop_unified_count, stats.total_gop_frames,
(double)stats.total_gop_frames / stats.gop_unified_count);
(stats.gop_unified_count + stats.gop_unified_motion_count), stats.total_gop_frames,
(double)stats.total_gop_frames / (stats.gop_unified_count + stats.gop_unified_motion_count));
printf(" GOP sync packets: %d\n", stats.gop_sync_count);
}
printf(" Mux video: %d\n", stats.mux_video_count);