diff options
author | trav90 <travawine@palemoon.org> | 2018-10-19 21:52:15 -0500 |
---|---|---|
committer | trav90 <travawine@palemoon.org> | 2018-10-19 21:52:20 -0500 |
commit | bbcc64772580c8a979288791afa02d30bc476d2e (patch) | |
tree | 437ce94c3fdd7497508e5b55de06c6d011678597 /third_party/aom/common/video_reader.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/common/video_reader.c')
-rw-r--r-- | third_party/aom/common/video_reader.c | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/third_party/aom/common/video_reader.c b/third_party/aom/common/video_reader.c new file mode 100644 index 000000000..f5327c928 --- /dev/null +++ b/third_party/aom/common/video_reader.c @@ -0,0 +1,84 @@ +/* + * Copyright (c) 2016, Alliance for Open Media. All rights reserved + * + * This source code is subject to the terms of the BSD 2 Clause License and + * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License + * was not distributed with this source code in the LICENSE file, you can + * obtain it at www.aomedia.org/license/software. If the Alliance for Open + * Media Patent License 1.0 was not distributed with this source code in the + * PATENTS file, you can obtain it at www.aomedia.org/license/patent. + */ +#include "common/video_reader.h" + +#include <stdlib.h> +#include <string.h> + +#include "aom_ports/mem_ops.h" +#include "common/ivfdec.h" + +static const char *const kIVFSignature = "DKIF"; + +struct AvxVideoReaderStruct { + AvxVideoInfo info; + FILE *file; + uint8_t *buffer; + size_t buffer_size; + size_t frame_size; + aom_codec_pts_t pts; +}; + +AvxVideoReader *aom_video_reader_open(const char *filename) { + char header[32]; + AvxVideoReader *reader = NULL; + FILE *const file = fopen(filename, "rb"); + if (!file) return NULL; // Can't open file + + if (fread(header, 1, 32, file) != 32) return NULL; // Can't read file header + + if (memcmp(kIVFSignature, header, 4) != 0) + return NULL; // Wrong IVF signature + + if (mem_get_le16(header + 4) != 0) return NULL; // Wrong IVF version + + reader = (AvxVideoReader *)calloc(1, sizeof(*reader)); + if (!reader) return NULL; // Can't allocate AvxVideoReader + + reader->file = file; + reader->info.codec_fourcc = mem_get_le32(header + 8); + reader->info.frame_width = mem_get_le16(header + 12); + reader->info.frame_height = mem_get_le16(header + 14); + reader->info.time_base.numerator = mem_get_le32(header + 16); + reader->info.time_base.denominator = mem_get_le32(header + 20); + + return reader; +} + +void aom_video_reader_close(AvxVideoReader *reader) { + if (reader) { + fclose(reader->file); + free(reader->buffer); + free(reader); + } +} + +int aom_video_reader_read_frame(AvxVideoReader *reader) { + return !ivf_read_frame(reader->file, &reader->buffer, &reader->frame_size, + &reader->buffer_size, &reader->pts); +} + +const uint8_t *aom_video_reader_get_frame(AvxVideoReader *reader, + size_t *size) { + if (size) *size = reader->frame_size; + + return reader->buffer; +} + +int64_t aom_video_reader_get_frame_pts(AvxVideoReader *reader) { + return (int64_t)reader->pts; +} + +FILE *aom_video_reader_get_file(AvxVideoReader *reader) { return reader->file; } + +const AvxVideoInfo *aom_video_reader_get_info(AvxVideoReader *reader) { + return &reader->info; +} |