diff options
Diffstat (limited to 'third_party/aom/examples/lightfield_tile_list_decoder.c')
| -rw-r--r-- | third_party/aom/examples/lightfield_tile_list_decoder.c | 76 |
1 files changed, 33 insertions, 43 deletions
diff --git a/third_party/aom/examples/lightfield_tile_list_decoder.c b/third_party/aom/examples/lightfield_tile_list_decoder.c index cec6baa2c..2e4f3898d 100644 --- a/third_party/aom/examples/lightfield_tile_list_decoder.c +++ b/third_party/aom/examples/lightfield_tile_list_decoder.c @@ -16,12 +16,12 @@ // contains the anchor frames that are references of the coded tiles, the camera // frame header, and tile list OBUs that include the tile information and the // compressed tile data. This input file is reconstructed from the encoded -// lightfield ivf file, and is decodable by AV1 decoder. The lf_width and -// lf_height arguments are the number of lightfield images in each dimension. -// The lf_blocksize determines the number of reference images used. +// lightfield ivf file, and is decodable by AV1 decoder. num_references is +// the number of anchor frames coded at the beginning of the light field file. +// num_tile_lists is the number of tile lists need to be decoded. // Run lightfield tile list decoder to decode an AV1 tile list file: // examples/lightfield_tile_list_decoder vase_tile_list.ivf vase_tile_list.yuv -// 10 10 5 2 +// 4 2 #include <stdio.h> #include <stdlib.h> @@ -40,8 +40,7 @@ static const char *exec_name; void usage_exit(void) { fprintf(stderr, - "Usage: %s <infile> <outfile> <lf_width> <lf_height> <lf_blocksize> " - "<num_tile_lists>\n", + "Usage: %s <infile> <outfile> <num_references> <num_tile_lists>\n", exec_name); exit(EXIT_FAILURE); } @@ -52,21 +51,16 @@ int main(int argc, char **argv) { AvxVideoReader *reader = NULL; const AvxInterface *decoder = NULL; const AvxVideoInfo *info = NULL; - const char *lf_width_arg; - const char *lf_height_arg; - const char *lf_blocksize_arg; - int width, height; - int lf_width, lf_height, lf_blocksize; - int u_blocks, v_blocks; + int num_references; int num_tile_lists; aom_image_t reference_images[MAX_EXTERNAL_REFERENCES]; size_t frame_size = 0; const unsigned char *frame = NULL; - int i, n; + int i, j, n; exec_name = argv[0]; - if (argc != 7) die("Invalid number of arguments."); + if (argc != 5) die("Invalid number of arguments."); reader = aom_video_reader_open(argv[1]); if (!reader) die("Failed to open %s for reading.", argv[1]); @@ -74,17 +68,10 @@ int main(int argc, char **argv) { if (!(outfile = fopen(argv[2], "wb"))) die("Failed to open %s for writing.", argv[2]); - lf_width_arg = argv[3]; - lf_height_arg = argv[4]; - lf_blocksize_arg = argv[5]; - lf_width = (int)strtol(lf_width_arg, NULL, 0); - lf_height = (int)strtol(lf_height_arg, NULL, 0); - lf_blocksize = (int)strtol(lf_blocksize_arg, NULL, 0); - num_tile_lists = (int)strtol(argv[6], NULL, 0); + num_references = (int)strtol(argv[3], NULL, 0); + num_tile_lists = (int)strtol(argv[4], NULL, 0); info = aom_video_reader_get_info(reader); - width = info->frame_width; - height = info->frame_height; decoder = get_aom_decoder_by_fourcc(info->codec_fourcc); if (!decoder) die("Unknown input codec."); @@ -93,33 +80,39 @@ int main(int argc, char **argv) { if (aom_codec_dec_init(&codec, decoder->codec_interface(), NULL, 0)) die_codec(&codec, "Failed to initialize decoder."); - // How many anchor frames we have. - u_blocks = (lf_width + lf_blocksize - 1) / lf_blocksize; - v_blocks = (lf_height + lf_blocksize - 1) / lf_blocksize; - - int num_references = v_blocks * u_blocks; - - // Allocate memory to store decoded references. - aom_img_fmt_t ref_fmt = AOM_IMG_FMT_I420; - if (!CONFIG_LOWBITDEPTH) ref_fmt |= AOM_IMG_FMT_HIGHBITDEPTH; - // Allocate memory with the border so that it can be used as a reference. - for (i = 0; i < num_references; i++) { - unsigned int border = AOM_BORDER_IN_PIXELS; - if (!aom_img_alloc_with_border(&reference_images[i], ref_fmt, width, height, - 32, 8, border)) { - die("Failed to allocate references."); - } + if (aom_codec_control(&codec, AV1D_SET_IS_ANNEXB, info->is_annexb)) { + die("Failed to set annex b status"); } // Decode anchor frames. aom_codec_control_(&codec, AV1_SET_TILE_MODE, 0); - for (i = 0; i < num_references; ++i) { aom_video_reader_read_frame(reader); frame = aom_video_reader_get_frame(reader, &frame_size); if (aom_codec_decode(&codec, frame, frame_size, NULL)) die_codec(&codec, "Failed to decode frame."); + if (i == 0) { + aom_img_fmt_t ref_fmt = 0; + if (aom_codec_control(&codec, AV1D_GET_IMG_FORMAT, &ref_fmt)) + die_codec(&codec, "Failed to get the image format"); + + int frame_res[2]; + if (aom_codec_control(&codec, AV1D_GET_FRAME_SIZE, frame_res)) + die_codec(&codec, "Failed to get the image frame size"); + + // Allocate memory to store decoded references. Allocate memory with the + // border so that it can be used as a reference. + for (j = 0; j < num_references; j++) { + unsigned int border = AOM_BORDER_IN_PIXELS; + if (!aom_img_alloc_with_border(&reference_images[j], ref_fmt, + frame_res[0], frame_res[1], 32, 8, + border)) { + die("Failed to allocate references."); + } + } + } + if (aom_codec_control(&codec, AV1_COPY_NEW_FRAME_IMAGE, &reference_images[i])) die_codec(&codec, "Failed to copy decoded reference frame"); @@ -142,13 +135,11 @@ int main(int argc, char **argv) { // Set external references. av1_ext_ref_frame_t set_ext_ref = { &reference_images[0], num_references }; aom_codec_control_(&codec, AV1D_SET_EXT_REF_PTR, &set_ext_ref); - // Must decode the camera frame header first. aom_video_reader_read_frame(reader); frame = aom_video_reader_get_frame(reader, &frame_size); if (aom_codec_decode(&codec, frame, frame_size, NULL)) die_codec(&codec, "Failed to decode the frame."); - // Decode tile lists one by one. for (n = 0; n < num_tile_lists; n++) { aom_video_reader_read_frame(reader); @@ -156,7 +147,6 @@ int main(int argc, char **argv) { if (aom_codec_decode(&codec, frame, frame_size, NULL)) die_codec(&codec, "Failed to decode the tile list."); - aom_codec_iter_t iter = NULL; aom_image_t *img; while ((img = aom_codec_get_frame(&codec, &iter))) |