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Unified Diff: third_party/libvpx/source/libvpx/webmenc.cc

Issue 1158913006: Move libvpx from DEPS to src (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: add DEPS file with #include paths Created 5 years, 7 months ago
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Index: third_party/libvpx/source/libvpx/webmenc.cc
diff --git a/third_party/libvpx/source/libvpx/webmenc.cc b/third_party/libvpx/source/libvpx/webmenc.cc
new file mode 100644
index 0000000000000000000000000000000000000000..a0e542b17cfdd4bca8622ebc067d839e0270b3a5
--- /dev/null
+++ b/third_party/libvpx/source/libvpx/webmenc.cc
@@ -0,0 +1,87 @@
+/*
+ * Copyright (c) 2014 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 "./webmenc.h"
+
+#include <string>
+
+#include "third_party/libwebm/mkvmuxer.hpp"
+#include "third_party/libwebm/mkvmuxerutil.hpp"
+#include "third_party/libwebm/mkvwriter.hpp"
+
+namespace {
+const uint64_t kDebugTrackUid = 0xDEADBEEF;
+const int kVideoTrackNumber = 1;
+} // namespace
+
+void write_webm_file_header(struct EbmlGlobal *glob,
+ const vpx_codec_enc_cfg_t *cfg,
+ const struct vpx_rational *fps,
+ stereo_format_t stereo_fmt,
+ unsigned int fourcc) {
+ mkvmuxer::MkvWriter *const writer = new mkvmuxer::MkvWriter(glob->stream);
+ mkvmuxer::Segment *const segment = new mkvmuxer::Segment();
+ segment->Init(writer);
+ segment->set_mode(mkvmuxer::Segment::kFile);
+ segment->OutputCues(true);
+
+ mkvmuxer::SegmentInfo *const info = segment->GetSegmentInfo();
+ const uint64_t kTimecodeScale = 1000000;
+ info->set_timecode_scale(kTimecodeScale);
+ std::string version = "vpxenc";
+ if (!glob->debug) {
+ version.append(std::string(" ") + vpx_codec_version_str());
+ }
+ info->set_writing_app(version.c_str());
+
+ const uint64_t video_track_id =
+ segment->AddVideoTrack(static_cast<int>(cfg->g_w),
+ static_cast<int>(cfg->g_h),
+ kVideoTrackNumber);
+ mkvmuxer::VideoTrack* const video_track =
+ static_cast<mkvmuxer::VideoTrack*>(
+ segment->GetTrackByNumber(video_track_id));
+ video_track->SetStereoMode(stereo_fmt);
+ video_track->set_codec_id(fourcc == VP8_FOURCC ? "V_VP8" : "V_VP9");
+ if (glob->debug) {
+ video_track->set_uid(kDebugTrackUid);
+ }
+ glob->writer = writer;
+ glob->segment = segment;
+}
+
+void write_webm_block(struct EbmlGlobal *glob,
+ const vpx_codec_enc_cfg_t *cfg,
+ const vpx_codec_cx_pkt_t *pkt) {
+ mkvmuxer::Segment *const segment =
+ reinterpret_cast<mkvmuxer::Segment*>(glob->segment);
+ int64_t pts_ns = pkt->data.frame.pts * 1000000000ll *
+ cfg->g_timebase.num / cfg->g_timebase.den;
+ if (pts_ns <= glob->last_pts_ns)
+ pts_ns = glob->last_pts_ns + 1000000;
+ glob->last_pts_ns = pts_ns;
+
+ segment->AddFrame(static_cast<uint8_t*>(pkt->data.frame.buf),
+ pkt->data.frame.sz,
+ kVideoTrackNumber,
+ pts_ns,
+ pkt->data.frame.flags & VPX_FRAME_IS_KEY);
+}
+
+void write_webm_file_footer(struct EbmlGlobal *glob) {
+ mkvmuxer::MkvWriter *const writer =
+ reinterpret_cast<mkvmuxer::MkvWriter*>(glob->writer);
+ mkvmuxer::Segment *const segment =
+ reinterpret_cast<mkvmuxer::Segment*>(glob->segment);
+ segment->Finalize();
+ delete segment;
+ delete writer;
+ glob->writer = NULL;
+ glob->segment = NULL;
+}

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