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Added extra start frame to each chunk in the ChunkWriter and ChunkReader, to make sure every chunk can "stoke" the audio samples from the previous chunk. Also, added additional example code for an openshot::Frame.

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Jonathan Thomas
2013-09-15 22:21:19 -05:00
parent 9801c76878
commit 3596f75abc
5 changed files with 87 additions and 10 deletions
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4
src/ChunkReader.cpp
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@@ -128,12 +128,12 @@ void ChunkReader::load_json()
// Find the location of a frame in a chunk
ChunkLocation ChunkReader::find_chunk_frame(int requested_frame)
{
// Determine which chunk contains this frame
// Determine which chunk contains this frame.
int chunk_number = (requested_frame / chunk_size) + 1;
// Determine which frame in this chunk
int start_frame_of_chunk = (chunk_number - 1) * chunk_size;
int chunk_frame_number = requested_frame - start_frame_of_chunk;
int chunk_frame_number = (requested_frame - start_frame_of_chunk) + 1; // Add 1 to adjust for the 1st frame of every chunk is just there to "stoke" the audio samples from the previous chunk.
// Prepare chunk location struct
ChunkLocation location = {chunk_number, chunk_frame_number};