45 #include "aom/aom_integer.h" 
   47 #include "aom_dsp/bitwriter_buffer.h" 
   48 #include "common/tools_common.h" 
   49 #include "common/video_reader.h" 
   50 #include "common/video_writer.h" 
   54 static const char *exec_name;
 
   56 void usage_exit(
void) {
 
   57   fprintf(stderr, 
"Usage: %s <infile> <outfile> <num_references> <tile_list>\n",
 
   62 #define ALIGN_POWER_OF_TWO(value, n) \ 
   63   (((value) + ((1 << (n)) - 1)) & ~((1 << (n)) - 1)) 
   65 const int output_frame_width = 512;
 
   66 const int output_frame_height = 512;
 
   93     default: die(
"Invalid image format");
 
   98 void process_tile_list(
const TILE_LIST_INFO *tiles, 
int num_tiles,
 
  101                        unsigned char *tl_buf, AvxVideoWriter *writer,
 
  102                        uint8_t output_frame_width_in_tiles_minus_1,
 
  103                        uint8_t output_frame_height_in_tiles_minus_1) {
 
  104   unsigned char *tl = tl_buf;
 
  105   struct aom_write_bit_buffer wb = { tl, 0 };
 
  106   unsigned char *saved_obu_size_loc = NULL;
 
  107   uint32_t tile_list_obu_header_size = 0;
 
  108   uint32_t tile_list_obu_size = 0;
 
  109   int num_tiles_minus_1 = num_tiles - 1;
 
  113   aom_wb_write_literal(&wb, 0, 1);  
 
  114   aom_wb_write_literal(&wb, 8, 4);  
 
  115   aom_wb_write_literal(&wb, 0, 1);  
 
  116   aom_wb_write_literal(&wb, 1, 1);  
 
  117   aom_wb_write_literal(&wb, 0, 1);  
 
  119   tile_list_obu_header_size++;
 
  122   saved_obu_size_loc = tl;
 
  124   aom_wb_write_unsigned_literal(&wb, 0, 32);
 
  126   tile_list_obu_header_size += 4;
 
  129   aom_wb_write_literal(&wb, output_frame_width_in_tiles_minus_1, 8);
 
  130   aom_wb_write_literal(&wb, output_frame_height_in_tiles_minus_1, 8);
 
  131   aom_wb_write_literal(&wb, num_tiles_minus_1, 16);
 
  133   tile_list_obu_size += 4;
 
  136   for (i = 0; i <= num_tiles_minus_1; i++) {
 
  139     int image_idx = tiles[i].image_idx;
 
  140     int ref_idx = tiles[i].reference_idx;
 
  141     int tc = tiles[i].tile_col;
 
  142     int tr = tiles[i].tile_row;
 
  148     size_t frame_size = frame_sizes[image_idx];
 
  149     const unsigned char *frame = frames[image_idx];
 
  156     if (aom_status) die_codec(codec, 
"Failed to decode tile.");
 
  166     uint32_t tile_info_bytes = 5;
 
  167     aom_wb_write_literal(&wb, ref_idx, 8);
 
  168     aom_wb_write_literal(&wb, tr, 8);
 
  169     aom_wb_write_literal(&wb, tc, 8);
 
  171     tl += tile_info_bytes;
 
  177     tile_list_obu_size +=
 
  182   size_t bytes_written = 0;
 
  183   if (aom_uleb_encode_fixed_size(tile_list_obu_size, 4, 4, saved_obu_size_loc,
 
  185     die_codec(codec, 
"Failed to encode the tile list obu size.");
 
  188   if (!aom_video_writer_write_frame(
 
  189           writer, tl_buf, tile_list_obu_header_size + tile_list_obu_size,
 
  191     die_codec(codec, 
"Failed to copy compressed tile list.");
 
  194 int main(
int argc, 
char **argv) {
 
  196   AvxVideoReader *reader = NULL;
 
  197   AvxVideoWriter *writer = NULL;
 
  198   const AvxInterface *decoder = NULL;
 
  199   const AvxVideoInfo *info = NULL;
 
  203   const char *tile_list_file = NULL;
 
  206   if (argc != 5) die(
"Invalid number of arguments.");
 
  208   reader = aom_video_reader_open(argv[1]);
 
  209   if (!reader) die(
"Failed to open %s for reading.", argv[1]);
 
  211   num_references = (int)strtol(argv[3], NULL, 0);
 
  212   info = aom_video_reader_get_info(reader);
 
  214   aom_video_reader_set_fourcc(reader, AV1_FOURCC);
 
  218   writer = aom_video_writer_open(argv[2], kContainerIVF, info);
 
  219   if (!writer) die(
"Failed to open %s for writing", argv[2]);
 
  221   tile_list_file = argv[4];
 
  223   decoder = get_aom_decoder_by_fourcc(info->codec_fourcc);
 
  224   if (!decoder) die(
"Unknown input codec.");
 
  228     die_codec(&codec, 
"Failed to initialize decoder.");
 
  233   printf(
"Reading %d reference images.\n", num_references);
 
  234   for (i = 0; i < num_references; ++i) {
 
  235     aom_video_reader_read_frame(reader);
 
  237     size_t frame_size = 0;
 
  238     const unsigned char *frame =
 
  239         aom_video_reader_get_frame(reader, &frame_size);
 
  243     if (!aom_video_writer_write_frame(writer, frame, frame_size, pts))
 
  244       die_codec(&codec, 
"Failed to copy compressed anchor frame.");
 
  247       die_codec(&codec, 
"Failed to decode frame.");
 
  254   FILE *infile = aom_video_reader_get_file(reader);
 
  256   const FileOffset camera_frame_pos = ftello(infile);
 
  258   printf(
"Loading compressed frames into memory.\n");
 
  262   while (aom_video_reader_read_frame(reader)) {
 
  265   if (num_frames < 1) die(
"Input light field has no frames.");
 
  268   unsigned char **frames =
 
  269       (
unsigned char **)malloc(num_frames * 
sizeof(
unsigned char *));
 
  270   size_t *frame_sizes = (
size_t *)malloc(num_frames * 
sizeof(
size_t));
 
  272   fseeko(infile, camera_frame_pos, SEEK_SET);
 
  273   for (
int f = 0; f < num_frames; ++f) {
 
  274     aom_video_reader_read_frame(reader);
 
  275     size_t frame_size = 0;
 
  276     const unsigned char *frame =
 
  277         aom_video_reader_get_frame(reader, &frame_size);
 
  278     frames[f] = (
unsigned char *)malloc(frame_size * 
sizeof(
unsigned char));
 
  279     memcpy(frames[f], frame, frame_size);
 
  280     frame_sizes[f] = frame_size;
 
  282   printf(
"Read %d frames.\n", num_frames);
 
  287     size_t frame_size = frame_sizes[0];
 
  288     const unsigned char *frame = frames[0];
 
  289     pts = num_references;
 
  299     if (aom_status) die_codec(&codec, 
"Failed to decode tile.");
 
  304     size_t obu_size_offset =
 
  308     uint32_t frame_header_size = (uint32_t)frame_header_info.
extra_size - 1;
 
  309     size_t bytes_to_copy =
 
  310         obu_size_offset + length_field_size + frame_header_size;
 
  312     unsigned char *frame_hdr_buf = (
unsigned char *)malloc(bytes_to_copy);
 
  313     if (frame_hdr_buf == NULL)
 
  314       die_codec(&codec, 
"Failed to allocate frame header buffer.");
 
  316     memcpy(frame_hdr_buf, frame, bytes_to_copy);
 
  319     size_t bytes_written = 0;
 
  320     if (aom_uleb_encode_fixed_size(
 
  321             frame_header_size, length_field_size, length_field_size,
 
  322             frame_hdr_buf + obu_size_offset, &bytes_written))
 
  323       die_codec(&codec, 
"Failed to encode the tile list obu size.");
 
  326     if (!aom_video_writer_write_frame(writer, frame_hdr_buf, bytes_to_copy,
 
  328       die_codec(&codec, 
"Failed to copy compressed camera frame header.");
 
  335     die_codec(&codec, 
"Failed to get the image format");
 
  336   const int bps = get_image_bps(ref_fmt);
 
  337   if (!bps) die_codec(&codec, 
"Invalid image format.");
 
  339   unsigned int tile_size = 0;
 
  341     die_codec(&codec, 
"Failed to get the tile size");
 
  342   const unsigned int tile_width = tile_size >> 16;
 
  343   const unsigned int tile_height = tile_size & 65535;
 
  345   const size_t data_sz = MAX_TILES * ALIGN_POWER_OF_TWO(tile_width, 5) *
 
  346                          ALIGN_POWER_OF_TWO(tile_height, 5) * bps / 8;
 
  348   unsigned char *tl_buf = (
unsigned char *)malloc(data_sz);
 
  349   if (tl_buf == NULL) die_codec(&codec, 
"Failed to allocate tile list buffer.");
 
  352   const uint8_t output_frame_width_in_tiles_minus_1 =
 
  353       output_frame_width / tile_width - 1;
 
  354   const uint8_t output_frame_height_in_tiles_minus_1 =
 
  355       output_frame_height / tile_height - 1;
 
  357   printf(
"Reading tile list from file.\n");
 
  359   FILE *tile_list_fptr = fopen(tile_list_file, 
"r");
 
  360   if (!tile_list_fptr) die_codec(&codec, 
"Failed to open tile list file.");
 
  362   TILE_LIST_INFO tiles[MAX_TILES];
 
  363   while ((fgets(line, 1024, tile_list_fptr)) != NULL) {
 
  364     if (line[0] == 
'F' || num_tiles >= MAX_TILES) {
 
  368         process_tile_list(tiles, num_tiles, tl_pts, frames, frame_sizes, &codec,
 
  369                           tl_buf, writer, output_frame_width_in_tiles_minus_1,
 
  370                           output_frame_height_in_tiles_minus_1);
 
  375     if (line[0] == 
'F') {
 
  378     if (sscanf(line, 
"%d %d %d %d", &tiles[num_tiles].image_idx,
 
  379                &tiles[num_tiles].reference_idx, &tiles[num_tiles].tile_col,
 
  380                &tiles[num_tiles].tile_row) == 4) {
 
  381       if (tiles[num_tiles].image_idx >= num_frames) {
 
  382         die(
"Tile list image_idx out of bounds: %d >= %d.",
 
  383             tiles[num_tiles].image_idx, num_frames);
 
  385       if (tiles[num_tiles].reference_idx >= num_references) {
 
  386         die(
"Tile list reference_idx out of bounds: %d >= %d.",
 
  387             tiles[num_tiles].reference_idx, num_references);
 
  394     process_tile_list(tiles, num_tiles, tl_pts, frames, frame_sizes, &codec,
 
  395                       tl_buf, writer, output_frame_width_in_tiles_minus_1,
 
  396                       output_frame_height_in_tiles_minus_1);
 
  400   const int num_tile_lists = (int)(tl_pts - pts);
 
  401   printf(
"Finished processing tile lists.  Num tile lists: %d.\n",
 
  404   for (
int f = 0; f < num_frames; ++f) {
 
  410   aom_video_writer_close(writer);
 
  411   aom_video_reader_close(reader);