void usage_exit(void) { int i; fprintf(stderr, "Usage: %s <options> filename\n\n" "Options:\n", exec_name); arg_show_usage(stderr, all_args); fprintf(stderr, "\nOutput File Patterns:\n\n" " The -o argument specifies the name of the file(s) to " "write to. If the\n argument does not include any escape " "characters, the output will be\n written to a single file. " "Otherwise, the filename will be calculated by\n expanding " "the following escape characters:\n"); fprintf(stderr, "\n\t%%w - Frame width" "\n\t%%h - Frame height" "\n\t%%<n> - Frame number, zero padded to <n> places (1..9)" "\n\n Pattern arguments are only supported in conjunction " "with the --yv12 and\n --i420 options. If the -o option is " "not specified, the output will be\n directed to stdout.\n"); fprintf(stderr, "\nIncluded decoders:\n\n"); for (i = 0; i < get_aom_decoder_count(); ++i) { const AvxInterface *const decoder = get_aom_decoder_by_index(i); fprintf(stderr, " %-6s - %s\n", decoder->name, aom_codec_iface_name(decoder->codec_interface())); } exit(EXIT_FAILURE); }
int main(int argc, char **argv) { int frame_cnt = 0; FILE *outfile = NULL; aom_codec_ctx_t codec; AvxVideoReader *reader = NULL; const AvxInterface *decoder = NULL; const AvxVideoInfo *info = NULL; exec_name = argv[0]; if (argc != 3) die("Invalid number of arguments."); reader = aom_video_reader_open(argv[1]); if (!reader) die("Failed to open %s for reading.", argv[1]); if (!(outfile = fopen(argv[2], "wb"))) die("Failed to open %s for writing.", argv[2]); info = aom_video_reader_get_info(reader); 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."); while (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, frame_size, NULL)) die_codec(&codec, "Failed to decode frame."); while ((img = aom_codec_get_frame(&codec, &iter)) != NULL) { aom_img_write(img, outfile); ++frame_cnt; } } printf("Processed %d frames.\n", frame_cnt); if (aom_codec_destroy(&codec)) die_codec(&codec, "Failed to destroy codec"); printf("Play: ffplay -f rawvideo -pix_fmt yuv420p -s %dx%d %s\n", info->frame_width, info->frame_height, argv[2]); aom_video_reader_close(reader); fclose(outfile); return EXIT_SUCCESS; }
EMSCRIPTEN_KEEPALIVE int open_file(char *file) { if (file == NULL) { file = "/tmp/input.ivf"; } reader = aom_video_reader_open(file); if (!reader) die("Failed to open %s for reading.", file); info = aom_video_reader_get_info(reader); 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."); init_analyzer(); aom_codec_control(&codec, ANALYZER_SET_DATA, &analyzer_data); printf("Opened file %s okay.\n", file); return EXIT_SUCCESS; }
int main(int argc, char **argv) { FILE *infile = NULL; int w, h; // The number of lightfield images in the u and v dimensions. int lf_width, lf_height; // Defines how many images refer to the same reference image for MCP. // lf_blocksize X lf_blocksize images will all use the reference image // in the middle of the block of images. int lf_blocksize; aom_codec_ctx_t codec; aom_codec_enc_cfg_t cfg; aom_image_t raw; aom_image_t raw_shift; aom_codec_err_t res; aom_fixed_buf_t stats; int flags = 0; const AvxInterface *encoder = NULL; const int fps = 30; const int bitrate = 200; // kbit/s const char *const width_arg = argv[1]; const char *const height_arg = argv[2]; const char *const infile_arg = argv[3]; const char *const outfile_arg = argv[4]; const char *const lf_width_arg = argv[5]; const char *const lf_height_arg = argv[6]; const char *lf_blocksize_arg = argv[7]; exec_name = argv[0]; if (argc < 8) die("Invalid number of arguments"); encoder = get_aom_encoder_by_name("av1"); if (!encoder) die("Unsupported codec."); w = (int)strtol(width_arg, NULL, 0); h = (int)strtol(height_arg, NULL, 0); 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); lf_blocksize = lf_blocksize < lf_width ? lf_blocksize : lf_width; lf_blocksize = lf_blocksize < lf_height ? lf_blocksize : lf_height; if (w <= 0 || h <= 0 || (w % 2) != 0 || (h % 2) != 0) die("Invalid frame size: %dx%d", w, h); if (lf_width <= 0 || lf_height <= 0) die("Invalid lf_width and/or lf_height: %dx%d", lf_width, lf_height); if (lf_blocksize <= 0) die("Invalid lf_blocksize: %d", lf_blocksize); if (!aom_img_alloc(&raw, AOM_IMG_FMT_I420, w, h, 32)) { die("Failed to allocate image."); } if (!CONFIG_LOWBITDEPTH) { // Need to allocate larger buffer to use hbd internal. aom_img_alloc(&raw_shift, AOM_IMG_FMT_I420 | AOM_IMG_FMT_HIGHBITDEPTH, w, h, 32); } printf("Using %s\n", aom_codec_iface_name(encoder->codec_interface())); // Configuration res = aom_codec_enc_config_default(encoder->codec_interface(), &cfg, 0); if (res) die_codec(&codec, "Failed to get default codec config."); cfg.g_w = w; cfg.g_h = h; cfg.g_timebase.num = 1; cfg.g_timebase.den = fps; cfg.rc_target_bitrate = bitrate; cfg.g_error_resilient = 0; // This is required. cfg.g_lag_in_frames = 0; // need to set this since default is 19. cfg.kf_mode = AOM_KF_DISABLED; cfg.large_scale_tile = 0; // Only set it to 1 for camera frame encoding. cfg.g_bit_depth = AOM_BITS_8; flags |= (cfg.g_bit_depth > AOM_BITS_8 || !CONFIG_LOWBITDEPTH) ? AOM_CODEC_USE_HIGHBITDEPTH : 0; if (!(infile = fopen(infile_arg, "rb"))) die("Failed to open %s for reading", infile_arg); // Pass 0 cfg.g_pass = AOM_RC_FIRST_PASS; stats = pass0(&raw, infile, encoder, &cfg, lf_width, lf_height, lf_blocksize, flags, &raw_shift); // Pass 1 rewind(infile); cfg.g_pass = AOM_RC_LAST_PASS; cfg.rc_twopass_stats_in = stats; pass1(&raw, infile, outfile_arg, encoder, &cfg, lf_width, lf_height, lf_blocksize, flags, &raw_shift); free(stats.buf); if (!CONFIG_LOWBITDEPTH) aom_img_free(&raw_shift); aom_img_free(&raw); fclose(infile); return EXIT_SUCCESS; }
// TODO(tomfinegan): Improve command line parsing and add args for bitrate/fps. int main(int argc, char **argv) { FILE *infile = NULL; aom_codec_ctx_t codec; aom_codec_enc_cfg_t cfg; int frame_count = 0; aom_image_t raw; aom_codec_err_t res; AvxVideoInfo info; AvxVideoWriter *writer = NULL; const AvxInterface *encoder = NULL; const int fps = 30; const int bitrate = 200; int keyframe_interval = 0; int max_frames = 0; int frames_encoded = 0; const char *codec_arg = NULL; const char *width_arg = NULL; const char *height_arg = NULL; const char *infile_arg = NULL; const char *outfile_arg = NULL; const char *keyframe_interval_arg = NULL; exec_name = argv[0]; // Clear explicitly, as simply assigning "{ 0 }" generates // "missing-field-initializers" warning in some compilers. memset(&info, 0, sizeof(info)); if (argc != 9) die("Invalid number of arguments"); codec_arg = argv[1]; width_arg = argv[2]; height_arg = argv[3]; infile_arg = argv[4]; outfile_arg = argv[5]; keyframe_interval_arg = argv[6]; max_frames = (int)strtol(argv[8], NULL, 0); encoder = get_aom_encoder_by_name(codec_arg); if (!encoder) die("Unsupported codec."); info.codec_fourcc = encoder->fourcc; info.frame_width = (int)strtol(width_arg, NULL, 0); info.frame_height = (int)strtol(height_arg, NULL, 0); info.time_base.numerator = 1; info.time_base.denominator = fps; if (info.frame_width <= 0 || info.frame_height <= 0 || (info.frame_width % 2) != 0 || (info.frame_height % 2) != 0) { die("Invalid frame size: %dx%d", info.frame_width, info.frame_height); } if (!aom_img_alloc(&raw, AOM_IMG_FMT_I420, info.frame_width, info.frame_height, 1)) { die("Failed to allocate image."); } keyframe_interval = (int)strtol(keyframe_interval_arg, NULL, 0); if (keyframe_interval < 0) die("Invalid keyframe interval value."); printf("Using %s\n", aom_codec_iface_name(encoder->codec_interface())); res = aom_codec_enc_config_default(encoder->codec_interface(), &cfg, 0); if (res) die_codec(&codec, "Failed to get default codec config."); cfg.g_w = info.frame_width; cfg.g_h = info.frame_height; cfg.g_timebase.num = info.time_base.numerator; cfg.g_timebase.den = info.time_base.denominator; cfg.rc_target_bitrate = bitrate; cfg.g_error_resilient = (aom_codec_er_flags_t)strtoul(argv[7], NULL, 0); writer = aom_video_writer_open(outfile_arg, kContainerIVF, &info); if (!writer) die("Failed to open %s for writing.", outfile_arg); if (!(infile = fopen(infile_arg, "rb"))) die("Failed to open %s for reading.", infile_arg); if (aom_codec_enc_init(&codec, encoder->codec_interface(), &cfg, 0)) die_codec(&codec, "Failed to initialize encoder"); // Encode frames. while (aom_img_read(&raw, infile)) { int flags = 0; if (keyframe_interval > 0 && frame_count % keyframe_interval == 0) flags |= AOM_EFLAG_FORCE_KF; encode_frame(&codec, &raw, frame_count++, flags, writer); frames_encoded++; if (max_frames > 0 && frames_encoded >= max_frames) break; } // Flush encoder. while (encode_frame(&codec, NULL, -1, 0, writer)) continue; printf("\n"); fclose(infile); printf("Processed %d frames.\n", frame_count); aom_img_free(&raw); if (aom_codec_destroy(&codec)) die_codec(&codec, "Failed to destroy codec."); aom_video_writer_close(writer); return EXIT_SUCCESS; }
int main(int argc, char **argv) { aom_codec_ctx_t codec; AvxVideoReader *reader = NULL; AvxVideoWriter *writer = NULL; const AvxInterface *decoder = NULL; const AvxVideoInfo *info = NULL; int num_references; int i; aom_codec_pts_t pts; const char *tile_list_file = NULL; exec_name = argv[0]; 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]); num_references = (int)strtol(argv[3], NULL, 0); info = aom_video_reader_get_info(reader); // The writer to write out ivf file in tile list OBU, which can be decoded by // AV1 decoder. writer = aom_video_writer_open(argv[2], kContainerIVF, info); if (!writer) die("Failed to open %s for writing", argv[2]); tile_list_file = argv[4]; 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."); // Decode anchor frames. aom_codec_control_(&codec, AV1_SET_TILE_MODE, 0); printf("Reading %d reference images.\n", num_references); for (i = 0; i < num_references; ++i) { aom_video_reader_read_frame(reader); size_t frame_size = 0; const unsigned char *frame = aom_video_reader_get_frame(reader, &frame_size); pts = (aom_codec_pts_t)aom_video_reader_get_frame_pts(reader); // Copy references bitstream directly. if (!aom_video_writer_write_frame(writer, frame, frame_size, pts)) die_codec(&codec, "Failed to copy compressed anchor frame."); if (aom_codec_decode(&codec, frame, frame_size, NULL)) die_codec(&codec, "Failed to decode frame."); } // Decode camera frames. aom_codec_control_(&codec, AV1_SET_TILE_MODE, 1); aom_codec_control_(&codec, AV1D_EXT_TILE_DEBUG, 1); FILE *infile = aom_video_reader_get_file(reader); // Record the offset of the first camera image. const FileOffset camera_frame_pos = ftello(infile); printf("Loading compressed frames into memory.\n"); // Count the frames in the lightfield. int num_frames = 0; while (aom_video_reader_read_frame(reader)) { ++num_frames; } if (num_frames < 1) die("Input light field has no frames."); // Read all of the lightfield frames into memory. unsigned char **frames = (unsigned char **)malloc(num_frames * sizeof(unsigned char *)); size_t *frame_sizes = (size_t *)malloc(num_frames * sizeof(size_t)); // Seek to the first camera image. fseeko(infile, camera_frame_pos, SEEK_SET); for (int f = 0; f < num_frames; ++f) { aom_video_reader_read_frame(reader); size_t frame_size = 0; const unsigned char *frame = aom_video_reader_get_frame(reader, &frame_size); frames[f] = (unsigned char *)malloc(frame_size * sizeof(unsigned char)); memcpy(frames[f], frame, frame_size); frame_sizes[f] = frame_size; } printf("Read %d frames.\n", num_frames); // Copy first camera frame for getting camera frame header. This is done // only once. { size_t frame_size = frame_sizes[0]; const unsigned char *frame = frames[0]; pts = num_references; aom_tile_data frame_header_info = { 0, NULL, 0 }; // Need to decode frame header to get camera frame header info. So, here // decoding 1 tile is enough. aom_codec_control_(&codec, AV1_SET_DECODE_TILE_ROW, 0); aom_codec_control_(&codec, AV1_SET_DECODE_TILE_COL, 0); 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_control_(&codec, AV1D_GET_FRAME_HEADER_INFO, &frame_header_info); size_t obu_size_offset = (uint8_t *)frame_header_info.coded_tile_data - frame; size_t length_field_size = frame_header_info.coded_tile_data_size; // Remove ext-tile tile info. uint32_t frame_header_size = (uint32_t)frame_header_info.extra_size - 1; size_t bytes_to_copy = obu_size_offset + length_field_size + frame_header_size; unsigned char *frame_hdr_buf = (unsigned char *)malloc(bytes_to_copy); if (frame_hdr_buf == NULL) die_codec(&codec, "Failed to allocate frame header buffer."); memcpy(frame_hdr_buf, frame, bytes_to_copy); // Update frame header OBU size. size_t bytes_written = 0; if (aom_uleb_encode_fixed_size( frame_header_size, length_field_size, length_field_size, frame_hdr_buf + obu_size_offset, &bytes_written)) die_codec(&codec, "Failed to encode the tile list obu size."); // Copy camera frame header bitstream. if (!aom_video_writer_write_frame(writer, frame_hdr_buf, bytes_to_copy, pts)) die_codec(&codec, "Failed to copy compressed camera frame header."); free(frame_hdr_buf); } // Read out the image format. 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"); const int bps = get_image_bps(ref_fmt); if (!bps) die_codec(&codec, "Invalid image format."); // read out the tile size. unsigned int tile_size = 0; if (aom_codec_control(&codec, AV1D_GET_TILE_SIZE, &tile_size)) die_codec(&codec, "Failed to get the tile size"); const unsigned int tile_width = tile_size >> 16; const unsigned int tile_height = tile_size & 65535; // Allocate a buffer to store tile list bitstream. const size_t data_sz = MAX_TILES * ALIGN_POWER_OF_TWO(tile_width, 5) * ALIGN_POWER_OF_TWO(tile_height, 5) * bps / 8; unsigned char *tl_buf = (unsigned char *)malloc(data_sz); if (tl_buf == NULL) die_codec(&codec, "Failed to allocate tile list buffer."); aom_codec_pts_t tl_pts = num_references; const uint8_t output_frame_width_in_tiles_minus_1 = output_frame_width / tile_width - 1; const uint8_t output_frame_height_in_tiles_minus_1 = output_frame_height / tile_height - 1; printf("Reading tile list from file.\n"); char line[1024]; FILE *tile_list_fptr = fopen(tile_list_file, "r"); if (!tile_list_fptr) die_codec(&codec, "Failed to open tile list file."); int num_tiles = 0; TILE_LIST_INFO tiles[MAX_TILES]; while ((fgets(line, 1024, tile_list_fptr)) != NULL) { if (line[0] == 'F' || num_tiles >= MAX_TILES) { // Flush existing tile list and start another, either because we hit a // new render frame or because we've hit our max number of tiles per list. if (num_tiles > 0) { process_tile_list(tiles, num_tiles, tl_pts, frames, frame_sizes, &codec, tl_buf, writer, output_frame_width_in_tiles_minus_1, output_frame_height_in_tiles_minus_1); ++tl_pts; } num_tiles = 0; } if (line[0] == 'F') { continue; } if (sscanf(line, "%d %d %d %d", &tiles[num_tiles].image_idx, &tiles[num_tiles].reference_idx, &tiles[num_tiles].tile_col, &tiles[num_tiles].tile_row) == 4) { if (tiles[num_tiles].image_idx >= num_frames) { die("Tile list image_idx out of bounds: %d >= %d.", tiles[num_tiles].image_idx, num_frames); } if (tiles[num_tiles].reference_idx >= num_references) { die("Tile list reference_idx out of bounds: %d >= %d.", tiles[num_tiles].reference_idx, num_references); } ++num_tiles; } } if (num_tiles > 0) { // Flush out the last tile list. process_tile_list(tiles, num_tiles, tl_pts, frames, frame_sizes, &codec, tl_buf, writer, output_frame_width_in_tiles_minus_1, output_frame_height_in_tiles_minus_1); ++tl_pts; } const int num_tile_lists = (int)(tl_pts - pts); printf("Finished processing tile lists. Num tile lists: %d.\n", num_tile_lists); free(tl_buf); for (int f = 0; f < num_frames; ++f) { free(frames[f]); } free(frame_sizes); free(frames); if (aom_codec_destroy(&codec)) die_codec(&codec, "Failed to destroy codec"); aom_video_writer_close(writer); aom_video_reader_close(reader); return EXIT_SUCCESS; }