You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
52 lines
856 B
C++
52 lines
856 B
C++
// SPDX-License-Identifier: GPL-2.0-or-later
|
|
// Copyright The Music Player Daemon Project
|
|
|
|
#include "DecoderBuffer.hxx"
|
|
#include "DecoderAPI.hxx"
|
|
|
|
bool
|
|
DecoderBuffer::Fill()
|
|
{
|
|
auto w = buffer.Write();
|
|
if (w.empty())
|
|
/* buffer is full */
|
|
return false;
|
|
|
|
size_t nbytes = decoder_read(client, is, w);
|
|
if (nbytes == 0)
|
|
/* end of file, I/O error or decoder command
|
|
received */
|
|
return false;
|
|
|
|
buffer.Append(nbytes);
|
|
return true;
|
|
}
|
|
|
|
std::span<const std::byte>
|
|
DecoderBuffer::Need(size_t min_size)
|
|
{
|
|
while (true) {
|
|
const auto r = Read();
|
|
if (r.size() >= min_size)
|
|
return r;
|
|
|
|
if (!Fill())
|
|
return {};
|
|
}
|
|
}
|
|
|
|
bool
|
|
DecoderBuffer::Skip(size_t nbytes)
|
|
{
|
|
const auto r = buffer.Read();
|
|
if (r.size() >= nbytes) {
|
|
buffer.Consume(nbytes);
|
|
return true;
|
|
}
|
|
|
|
buffer.Clear();
|
|
nbytes -= r.size();
|
|
|
|
return decoder_skip(client, is, nbytes);
|
|
}
|