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author | trav90 <travawine@palemoon.org> | 2018-10-19 21:52:15 -0500 |
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committer | trav90 <travawine@palemoon.org> | 2018-10-19 21:52:20 -0500 |
commit | bbcc64772580c8a979288791afa02d30bc476d2e (patch) | |
tree | 437ce94c3fdd7497508e5b55de06c6d011678597 /third_party/aom/examples/lightfield_decoder.c | |
parent | 14805f6ddbfb173c327768fff9f81f40ce5e81b0 (diff) | |
download | UXP-bbcc64772580c8a979288791afa02d30bc476d2e.tar UXP-bbcc64772580c8a979288791afa02d30bc476d2e.tar.gz UXP-bbcc64772580c8a979288791afa02d30bc476d2e.tar.lz UXP-bbcc64772580c8a979288791afa02d30bc476d2e.tar.xz UXP-bbcc64772580c8a979288791afa02d30bc476d2e.zip |
Update aom to v1.0.0
Update aom to commit id d14c5bb4f336ef1842046089849dee4a301fbbf0.
Diffstat (limited to 'third_party/aom/examples/lightfield_decoder.c')
-rw-r--r-- | third_party/aom/examples/lightfield_decoder.c | 233 |
1 files changed, 135 insertions, 98 deletions
diff --git a/third_party/aom/examples/lightfield_decoder.c b/third_party/aom/examples/lightfield_decoder.c index 8743df9bc..625cddcac 100644 --- a/third_party/aom/examples/lightfield_decoder.c +++ b/third_party/aom/examples/lightfield_decoder.c @@ -14,14 +14,14 @@ // // This is an example of a simple lightfield decoder. It builds upon the // simple_decoder.c example. It takes an input file containing the compressed -// data (in webm format), treating it as a lightfield instead of a video and +// data (in ivf format), treating it as a lightfield instead of a video and // will decode a single lightfield tile. The lf_width and lf_height arguments // are the number of lightfield images in each dimension. The tile to decode // is specified by the tile_u, tile_v, tile_s, tile_t arguments. The tile_u, // tile_v specify the image and tile_s, tile_t specify the tile in the image. // After running the lightfield encoder, run lightfield decoder to decode a // single tile: -// examples/lightfield_decoder vase10x10.webm vase_tile.yuv 10 10 3 4 5 10 5 +// examples/lightfield_decoder vase10x10.ivf vase_reference.yuv 10 10 5 #include <stdio.h> #include <stdlib.h> @@ -29,47 +29,57 @@ #include "aom/aom_decoder.h" #include "aom/aomdx.h" +#include "common/tools_common.h" +#include "common/video_reader.h" -#include "../tools_common.h" -#include "../video_reader.h" -#include "./aom_config.h" +#define MAX_EXTERNAL_REFERENCES 128 +#define AOM_BORDER_IN_PIXELS 288 static const char *exec_name; void usage_exit(void) { - fprintf(stderr, - "Usage: %s <infile> <outfile> <lf_width> <lf_height> <tlie_u>" - " <tile_v> <tile_s> <tile_t> <lf_blocksize>\n", - exec_name); + fprintf( + stderr, + "Usage: %s <infile> <outfile> <lf_width> <lf_height> <lf_blocksize>\n", + exec_name); exit(EXIT_FAILURE); } -aom_image_t *aom_img_copy(aom_image_t *src, aom_image_t *dst) { - dst = aom_img_alloc(dst, src->fmt, src->d_w, src->d_h, 16); - - int plane; - - for (plane = 0; plane < 3; ++plane) { - uint8_t *src_buf = src->planes[plane]; - const int src_stride = src->stride[plane]; - const int src_w = plane == 0 ? src->d_w : src->d_w >> 1; - const int src_h = plane == 0 ? src->d_h : src->d_h >> 1; - - uint8_t *dst_buf = dst->planes[plane]; - const int dst_stride = dst->stride[plane]; - int y; - - for (y = 0; y < src_h; ++y) { - memcpy(dst_buf, src_buf, src_w); - src_buf += src_stride; - dst_buf += dst_stride; - } - } - return dst; -} +// Tile list entry provided by the application +typedef struct { + int image_idx; + int reference_idx; + int tile_col; + int tile_row; +} TILE_LIST_INFO; + +// M references: 0 - M-1; N images(including references): 0 - N-1; +// Note: order the image index incrementally, so that we only go through the +// bitstream once to construct the tile list. +const int num_tile_lists = 2; +const uint16_t tile_count_minus_1 = 9 - 1; +const TILE_LIST_INFO tile_list[2][9] = { + { { 16, 0, 4, 5 }, + { 83, 3, 13, 2 }, + { 57, 2, 2, 6 }, + { 31, 1, 11, 5 }, + { 2, 0, 7, 4 }, + { 77, 3, 9, 9 }, + { 49, 1, 0, 1 }, + { 6, 0, 3, 10 }, + { 63, 2, 5, 8 } }, + { { 65, 2, 11, 1 }, + { 42, 1, 3, 7 }, + { 88, 3, 8, 4 }, + { 76, 3, 1, 15 }, + { 1, 0, 2, 2 }, + { 19, 0, 5, 6 }, + { 60, 2, 4, 0 }, + { 25, 1, 11, 15 }, + { 50, 2, 5, 4 } }, +}; int main(int argc, char **argv) { - int frame_cnt = 0; FILE *outfile = NULL; aom_codec_ctx_t codec; AvxVideoReader *reader = NULL; @@ -77,20 +87,20 @@ int main(int argc, char **argv) { const AvxVideoInfo *info = NULL; const char *lf_width_arg; const char *lf_height_arg; - const char *tile_u_arg; - const char *tile_v_arg; - const char *tile_s_arg; - const char *tile_t_arg; const char *lf_blocksize_arg; + int width, height; int lf_width, lf_height; - int tile_u, tile_v, tile_s, tile_t; int lf_blocksize; int u_blocks; int v_blocks; + aom_image_t reference_images[MAX_EXTERNAL_REFERENCES]; + size_t frame_size = 0; + const unsigned char *frame = NULL; + int n, i; exec_name = argv[0]; - if (argc != 10) die("Invalid number of arguments."); + if (argc != 6) die("Invalid number of arguments."); reader = aom_video_reader_open(argv[1]); if (!reader) die("Failed to open %s for reading.", argv[1]); @@ -100,86 +110,113 @@ int main(int argc, char **argv) { lf_width_arg = argv[3]; lf_height_arg = argv[4]; - tile_u_arg = argv[5]; - tile_v_arg = argv[6]; - tile_s_arg = argv[7]; - tile_t_arg = argv[8]; - lf_blocksize_arg = argv[9]; + lf_blocksize_arg = argv[5]; lf_width = (int)strtol(lf_width_arg, NULL, 0); lf_height = (int)strtol(lf_height_arg, NULL, 0); - tile_u = (int)strtol(tile_u_arg, NULL, 0); - tile_v = (int)strtol(tile_v_arg, NULL, 0); - tile_s = (int)strtol(tile_s_arg, NULL, 0); - tile_t = (int)strtol(tile_t_arg, NULL, 0); lf_blocksize = (int)strtol(lf_blocksize_arg, 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."); - printf("Using %s\n", aom_codec_iface_name(decoder->codec_interface())); if (aom_codec_dec_init(&codec, decoder->codec_interface(), NULL, 0)) die_codec(&codec, "Failed to initialize decoder."); - // How many reference images we need to encode. + // How many anchor frames we have. u_blocks = (lf_width + lf_blocksize - 1) / lf_blocksize; v_blocks = (lf_height + lf_blocksize - 1) / lf_blocksize; - aom_image_t *reference_images = - (aom_image_t *)malloc(u_blocks * v_blocks * sizeof(aom_image_t)); - for (int bv = 0; bv < v_blocks; ++bv) { - for (int bu = 0; bu < u_blocks; ++bu) { - aom_video_reader_read_frame(reader); - aom_codec_iter_t iter = NULL; - aom_image_t *img = NULL; - size_t frame_size = 0; - const unsigned char *frame = - aom_video_reader_get_frame(reader, &frame_size); - if (aom_codec_decode(&codec, frame, (unsigned int)frame_size, NULL, 0)) - die_codec(&codec, "Failed to decode frame."); - - while ((img = aom_codec_get_frame(&codec, &iter)) != NULL) { - aom_img_copy(img, &reference_images[bu + bv * u_blocks]); - char name[1024]; - snprintf(name, sizeof(name), "ref_%d_%d.yuv", bu, bv); - printf("writing ref image to %s, %d, %d\n", name, img->d_w, img->d_h); - FILE *ref_file = fopen(name, "wb"); - aom_img_write(img, ref_file); - fclose(ref_file); - ++frame_cnt; - } + + 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."); } } - int decode_frame_index = tile_v * lf_width + tile_u; - do { + // 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); - } while (frame_cnt++ != decode_frame_index); - size_t frame_size = 0; - const unsigned char *frame = aom_video_reader_get_frame(reader, &frame_size); - - int ref_bu = tile_u / lf_blocksize; - int ref_bv = tile_v / lf_blocksize; - int ref_bi = ref_bu + ref_bv * u_blocks; - av1_ref_frame_t ref; - ref.idx = 0; - ref.img = reference_images[ref_bi]; - // This is too slow for real lightfield rendering. This copies the - // reference image bytes. We need a way to just set a pointer - // in order to make this fast enough. - if (aom_codec_control(&codec, AV1_SET_REFERENCE, &ref)) { - die_codec(&codec, "Failed to set reference image."); + 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 (aom_codec_control(&codec, AV1_COPY_NEW_FRAME_IMAGE, + &reference_images[i])) + die_codec(&codec, "Failed to copy decoded reference frame"); + + aom_codec_iter_t iter = NULL; + aom_image_t *img = NULL; + while ((img = aom_codec_get_frame(&codec, &iter)) != NULL) { + char name[1024]; + snprintf(name, sizeof(name), "ref_%d.yuv", i); + printf("writing ref image to %s, %d, %d\n", name, img->d_w, img->d_h); + FILE *ref_file = fopen(name, "wb"); + aom_img_write(img, ref_file); + fclose(ref_file); + } + } + + FILE *infile = aom_video_reader_get_file(reader); + // Record the offset of the first camera image. + const FileOffset camera_frame_pos = ftello(infile); + + // Process 1 tile. + for (n = 0; n < num_tile_lists; n++) { + for (i = 0; i <= tile_count_minus_1; i++) { + int image_idx = tile_list[n][i].image_idx; + int ref_idx = tile_list[n][i].reference_idx; + int tc = tile_list[n][i].tile_col; + int tr = tile_list[n][i].tile_row; + int frame_cnt = -1; + + // Seek to the first camera image. + fseeko(infile, camera_frame_pos, SEEK_SET); + + // Read out the camera image + while (frame_cnt != image_idx) { + aom_video_reader_read_frame(reader); + frame_cnt++; + } + + frame = aom_video_reader_get_frame(reader, &frame_size); + + aom_codec_control_(&codec, AV1_SET_TILE_MODE, 1); + aom_codec_control_(&codec, AV1D_EXT_TILE_DEBUG, 1); + aom_codec_control_(&codec, AV1_SET_DECODE_TILE_ROW, tr); + aom_codec_control_(&codec, AV1_SET_DECODE_TILE_COL, tc); + + av1_ref_frame_t ref; + ref.idx = 0; + ref.use_external_ref = 1; + ref.img = reference_images[ref_idx]; + if (aom_codec_control(&codec, AV1_SET_REFERENCE, &ref)) { + die_codec(&codec, "Failed to set reference frame."); + } + + aom_codec_err_t aom_status = + aom_codec_decode(&codec, frame, frame_size, NULL); + if (aom_status) die_codec(&codec, "Failed to decode tile."); + + aom_codec_iter_t iter = NULL; + aom_image_t *img = aom_codec_get_frame(&codec, &iter); + aom_img_write(img, outfile); + } } - aom_codec_control_(&codec, AV1_SET_DECODE_TILE_ROW, tile_t); - aom_codec_control_(&codec, AV1_SET_DECODE_TILE_COL, tile_s); - aom_codec_err_t aom_status = - aom_codec_decode(&codec, frame, frame_size, NULL, 0); - if (aom_status) die_codec(&codec, "Failed to decode tile."); - aom_codec_iter_t iter = NULL; - aom_image_t *img = aom_codec_get_frame(&codec, &iter); - aom_img_write(img, outfile); + for (i = 0; i < num_references; i++) aom_img_free(&reference_images[i]); if (aom_codec_destroy(&codec)) die_codec(&codec, "Failed to destroy codec"); aom_video_reader_close(reader); fclose(outfile); |