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Fixes VideostreamGDNative crash on audio_channel=0. 

Added an if case to check if the mix_callback exists before running any
of the audio code.

Fixes: #28644
(cherry picked from commit f0757f31a4)
This commit is contained in:
Anish 2019-05-04 00:34:58 +05:30 committed by Rémi Verschelde
parent cd1bb5d3db
commit c70a3671b0
1 changed files with 18 additions and 16 deletions
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34
modules/gdnative/videodecoder/video_stream_gdnative.cpp
View File

@ -146,23 +146,25 @@ void VideoStreamPlaybackGDNative::update(float p_delta) {
ERR_FAIL_COND(interface == NULL);
interface->update(data_struct, p_delta);
if (pcm_write_idx >= 0) {
// Previous remains
int mixed = mix_callback(mix_udata, pcm, samples_decoded);
if (mixed == samples_decoded) {
pcm_write_idx = -1;
} else {
samples_decoded -= mixed;
pcm_write_idx += mixed;
if (mix_callback) {
if (pcm_write_idx >= 0) {
// Previous remains
int mixed = mix_callback(mix_udata, pcm, samples_decoded);
if (mixed == samples_decoded) {
pcm_write_idx = -1;
} else {
samples_decoded -= mixed;
pcm_write_idx += mixed;
}
}
}
if (pcm_write_idx < 0) {
samples_decoded = interface->get_audioframe(data_struct, pcm, AUX_BUFFER_SIZE);
pcm_write_idx = mix_callback(mix_udata, pcm, samples_decoded);
if (pcm_write_idx == samples_decoded) {
pcm_write_idx = -1;
} else {
samples_decoded -= pcm_write_idx;
if (pcm_write_idx < 0) {
samples_decoded = interface->get_audioframe(data_struct, pcm, AUX_BUFFER_SIZE);
pcm_write_idx = mix_callback(mix_udata, pcm, samples_decoded);
if (pcm_write_idx == samples_decoded) {
pcm_write_idx = -1;
} else {
samples_decoded -= pcm_write_idx;
}
}
}