/* * 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 "./tools_common.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); /* headersize */ mem_put_le32(header + 8, fourcc); /* four CC */ 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 */ (void) fwrite(header, 1, 32, outfile); } void ivf_write_frame_header(FILE *outfile, const struct vpx_codec_cx_pkt *pkt) { char header[12]; vpx_codec_pts_t pts; if (pkt->kind != VPX_CODEC_CX_FRAME_PKT) return; pts = pkt->data.frame.pts; mem_put_le32(header, (int)pkt->data.frame.sz); mem_put_le32(header + 4, pts & 0xFFFFFFFF); mem_put_le32(header + 8, pts >> 32); (void) fwrite(header, 1, 12, outfile); } void ivf_write_frame_size(FILE *outfile, size_t size) { char header[4]; mem_put_le32(header, (int)size); (void) fwrite(header, 1, 4, outfile); }