97 lines
3.2 KiB
C++
97 lines
3.2 KiB
C++
// Copyright 2014 Google Inc. All rights reserved.
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//
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file or at
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// https://developers.google.com/open-source/licenses/bsd
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#include "packager/media/base/video_stream_info.h"
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#include "packager/base/logging.h"
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#include "packager/base/strings/string_number_conversions.h"
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#include "packager/base/strings/string_util.h"
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#include "packager/base/strings/stringprintf.h"
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#include "packager/media/base/limits.h"
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namespace shaka {
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namespace media {
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namespace {
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std::string VideoCodecToString(Codec codec) {
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switch (codec) {
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case kCodecH264:
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return "H264";
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case kCodecH265:
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return "H265";
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case kCodecVP8:
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return "VP8";
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case kCodecVP9:
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return "VP9";
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case kCodecVP10:
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return "VP10";
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default:
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NOTIMPLEMENTED() << "Unknown Video Codec: " << codec;
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return "UnknownCodec";
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}
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}
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} // namespace
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VideoStreamInfo::VideoStreamInfo(int track_id,
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uint32_t time_scale,
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uint64_t duration,
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Codec codec,
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H26xStreamFormat h26x_stream_format,
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const std::string& codec_string,
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const uint8_t* codec_config,
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size_t codec_config_size,
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uint16_t width,
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uint16_t height,
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uint32_t pixel_width,
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uint32_t pixel_height,
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uint32_t trick_play_factor,
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uint8_t nalu_length_size,
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const std::string& language,
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bool is_encrypted)
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: StreamInfo(kStreamVideo,
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track_id,
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time_scale,
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duration,
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codec,
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codec_string,
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codec_config,
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codec_config_size,
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language,
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is_encrypted),
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h26x_stream_format_(h26x_stream_format),
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width_(width),
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height_(height),
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pixel_width_(pixel_width),
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pixel_height_(pixel_height),
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trick_play_factor_(trick_play_factor),
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nalu_length_size_(nalu_length_size) {}
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VideoStreamInfo::~VideoStreamInfo() {}
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bool VideoStreamInfo::IsValidConfig() const {
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return codec() != kUnknownCodec && width_ > 0 &&
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width_ <= limits::kMaxDimension && height_ > 0 &&
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height_ <= limits::kMaxDimension &&
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(nalu_length_size_ <= 2 || nalu_length_size_ == 4);
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}
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std::string VideoStreamInfo::ToString() const {
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return base::StringPrintf(
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"%s codec: %s\n width: %d\n height: %d\n pixel_aspect_ratio: %d:%d\n "
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"trick_play_factor: %d\n nalu_length_size: %d\n",
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StreamInfo::ToString().c_str(), VideoCodecToString(codec()).c_str(),
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width_, height_, pixel_width_, pixel_height_, trick_play_factor_,
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nalu_length_size_);
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}
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std::unique_ptr<StreamInfo> VideoStreamInfo::Clone() const {
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return std::unique_ptr<StreamInfo>(new VideoStreamInfo(*this));
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}
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} // namespace media
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} // namespace shaka
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