| 141 | } |
| 142 | |
| 143 | bool PixelStream::readFrameAt(fl::u32 frameNumber, Frame *frame) { |
| 144 | if (mType == kStreaming) { |
| 145 | // Streaming handle doesn't support seeking |
| 146 | FL_DBG("Streaming handle doesn't support seeking"); |
| 147 | return false; |
| 148 | } |
| 149 | fl::size_t frameBytes = static_cast<fl::size_t>(frameNumber) |
| 150 | * static_cast<fl::size_t>(mbytesPerFrame); |
| 151 | mHandle->seek(mPayloadOffset + frameBytes); |
| 152 | if (mHandle->bytesLeft() == 0) { |
| 153 | return false; |
| 154 | } |
| 155 | size_t read = |
| 156 | mHandle->readRGB8(frame->rgb()) * 3; |
| 157 | |
| 158 | bool ok = int(read) == mbytesPerFrame; |
| 159 | if (!ok) { |
| 160 | DBG("readFrameAt failed - read: " |
| 161 | << read << ", mbytesPerFrame: " << mbytesPerFrame << ", frame:" |
| 162 | << frameNumber << ", left: " << mHandle->bytesLeft()); |
| 163 | } |
| 164 | return ok; |
| 165 | } |
| 166 | |
| 167 | i32 PixelStream::framesRemaining() const { |
| 168 | if (mbytesPerFrame == 0) |
no test coverage detected