diff options
Diffstat (limited to 'chromium/third_party/libvpx/source/libvpx/ivfenc.c')
-rw-r--r-- | chromium/third_party/libvpx/source/libvpx/ivfenc.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/chromium/third_party/libvpx/source/libvpx/ivfenc.c b/chromium/third_party/libvpx/source/libvpx/ivfenc.c new file mode 100644 index 00000000000..4a97c42731c --- /dev/null +++ b/chromium/third_party/libvpx/source/libvpx/ivfenc.c @@ -0,0 +1,53 @@ +/* + * Copyright (c) 2013 The WebM project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#include "./ivfenc.h" + +#include "vpx/vpx_encoder.h" +#include "vpx_ports/mem_ops.h" + +void ivf_write_file_header(FILE *outfile, + const struct vpx_codec_enc_cfg *cfg, + unsigned int fourcc, + int frame_cnt) { + char header[32]; + + header[0] = 'D'; + header[1] = 'K'; + header[2] = 'I'; + header[3] = 'F'; + mem_put_le16(header + 4, 0); // version + mem_put_le16(header + 6, 32); // header size + mem_put_le32(header + 8, fourcc); // fourcc + mem_put_le16(header + 12, cfg->g_w); // width + mem_put_le16(header + 14, cfg->g_h); // height + mem_put_le32(header + 16, cfg->g_timebase.den); // rate + mem_put_le32(header + 20, cfg->g_timebase.num); // scale + mem_put_le32(header + 24, frame_cnt); // length + mem_put_le32(header + 28, 0); // unused + + fwrite(header, 1, 32, outfile); +} + +void ivf_write_frame_header(FILE *outfile, int64_t pts, size_t frame_size) { + char header[12]; + + mem_put_le32(header, (int)frame_size); + mem_put_le32(header + 4, (int)(pts & 0xFFFFFFFF)); + mem_put_le32(header + 8, (int)(pts >> 32)); + fwrite(header, 1, 12, outfile); +} + +void ivf_write_frame_size(FILE *outfile, size_t frame_size) { + char header[4]; + + mem_put_le32(header, (int)frame_size); + fwrite(header, 1, 4, outfile); +} |