shaka-packager/packager/media/base/media_sample.cc

99 lines
3.1 KiB
C++

// Copyright 2014 Google Inc. All rights reserved.
//
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file or at
// https://developers.google.com/open-source/licenses/bsd
#include "packager/media/base/media_sample.h"
#include <inttypes.h>
#include "packager/base/logging.h"
#include "packager/base/strings/stringprintf.h"
namespace shaka {
namespace media {
MediaSample::MediaSample(const uint8_t* data,
size_t size,
const uint8_t* side_data,
size_t side_data_size,
bool is_key_frame)
: dts_(0),
pts_(0),
duration_(0),
is_key_frame_(is_key_frame),
is_encrypted_(false) {
if (!data) {
CHECK_EQ(size, 0u);
}
data_.assign(data, data + size);
if (side_data)
side_data_.assign(side_data, side_data + side_data_size);
}
MediaSample::MediaSample() : dts_(0),
pts_(0),
duration_(0),
is_key_frame_(false),
is_encrypted_(false) {}
MediaSample::~MediaSample() {}
// static
std::shared_ptr<MediaSample> MediaSample::CopyFrom(const uint8_t* data,
size_t data_size,
bool is_key_frame) {
// If you hit this CHECK you likely have a bug in a demuxer. Go fix it.
CHECK(data);
return std::make_shared<MediaSample>(data, data_size, nullptr, 0u,
is_key_frame);
}
// static
std::shared_ptr<MediaSample> MediaSample::CopyFrom(const uint8_t* data,
size_t data_size,
const uint8_t* side_data,
size_t side_data_size,
bool is_key_frame) {
// If you hit this CHECK you likely have a bug in a demuxer. Go fix it.
CHECK(data);
return std::make_shared<MediaSample>(data, data_size, side_data,
side_data_size, is_key_frame);
}
// static
std::shared_ptr<MediaSample> MediaSample::FromMetadata(const uint8_t* metadata,
size_t metadata_size) {
return std::make_shared<MediaSample>(nullptr, 0, metadata, metadata_size,
false);
}
// static
std::shared_ptr<MediaSample> MediaSample::CreateEmptyMediaSample() {
return std::make_shared<MediaSample>();
}
// static
std::shared_ptr<MediaSample> MediaSample::CreateEOSBuffer() {
return std::make_shared<MediaSample>(nullptr, 0, nullptr, 0, false);
}
std::string MediaSample::ToString() const {
if (end_of_stream())
return "End of stream sample\n";
return base::StringPrintf(
"dts: %" PRId64 "\n pts: %" PRId64 "\n duration: %" PRId64 "\n "
"is_key_frame: %s\n size: %zu\n side_data_size: %zu\n",
dts_,
pts_,
duration_,
is_key_frame_ ? "true" : "false",
data_.size(),
side_data_.size());
}
} // namespace media
} // namespace shaka