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Atrac: Backfill buffer when seeking anywhere.

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This corrects the output of sample data when seeking to arbitrary
locations.  Otherwise, it's off for a frame or two.
This commit is contained in:
Unknown W. Brackets 2016-01-01 10:24:18 -08:00
parent 8be22f47cd
commit 448e18fba9
1 changed files with 6 additions and 7 deletions
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13
Core/HLE/sceAtrac.cpp
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@ -405,15 +405,14 @@ struct Atrac {
int seekFrame = sample + offsetSamples - unalignedSamples;
#ifdef USE_FFMPEG
if (sample != currentSample && pCodecCtx != nullptr) {
avcodec_flush_buffers(pCodecCtx);
}
if (sample == 0 && pCodecCtx != nullptr) {
if ((sample != currentSample || sample == 0) && pCodecCtx != nullptr) {
// Prefill the decode buffer with packets before the first sample offset.
avcodec_flush_buffers(pCodecCtx);
u32 off = getFileOffsetBySample(sample);
for (u32 pos = dataOff; pos < off; pos += atracBytesPerFrame) {
const u32 off = getFileOffsetBySample(sample);
const u32 backfill = atracBytesPerFrame * 2;
const u32 start = off - dataOff < backfill ? dataOff : off - backfill;
for (u32 pos = start; pos < off; pos += atracBytesPerFrame) {
av_init_packet(packet);
packet->data = data_buf + pos;
packet->size = atracBytesPerFrame;