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encoders/generic: Prefer formats with no conversion

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Fixes the issue where an encoder has RGB0 available as input, but avcodec_find_best_pix_fmt_of_list would choose YUV420P instead for RGBA.
This commit is contained in:
Michael Fabian 'Xaymar' Dirks
2019-07-22 14:01:40 +02:00
parent 68bacc07dc
commit 9db2219582
1 changed files with 45 additions and 2 deletions
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source/encoders/generic.cpp
+45 -2
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@@ -442,8 +442,51 @@ encoder::generic::generic(obs_data_t* settings, obs_encoder_t* encoder)
AVPixelFormat source = ffmpeg::tools::obs_videoformat_to_avpixelformat(voi->format);
AVPixelFormat target = AV_PIX_FMT_NONE;
int loss = 0;
target = avcodec_find_best_pix_fmt_of_list(this->codec->pix_fmts, source, false, &loss);
// Prefer lossless or zero-change formats.
for (auto ptr = this->codec->pix_fmts; *ptr != AV_PIX_FMT_NONE; ptr++) {
switch (source) {
case AV_PIX_FMT_RGBA:
switch (*ptr) {
case AV_PIX_FMT_RGB0:
case AV_PIX_FMT_RGBA:
target = *ptr;
break;
case AV_PIX_FMT_BGR0:
case AV_PIX_FMT_BGRA:
target = *ptr;
break;
}
break;
case AV_PIX_FMT_BGRA:
case AV_PIX_FMT_BGR0:
switch (*ptr) {
case AV_PIX_FMT_RGB0:
case AV_PIX_FMT_RGBA:
target = *ptr;
break;
case AV_PIX_FMT_BGR0:
case AV_PIX_FMT_BGRA:
target = *ptr;
break;
}
break;
case AV_PIX_FMT_YUV444P:
case AV_PIX_FMT_YUYV422:
case AV_PIX_FMT_YVYU422:
case AV_PIX_FMT_UYVY422:
case AV_PIX_FMT_YUV420P:
case AV_PIX_FMT_NV12:
if (*ptr == source) {
target = *ptr;
}
break;
}
}
if (target == AV_PIX_FMT_NONE) {
int loss = 0;
target = avcodec_find_best_pix_fmt_of_list(this->codec->pix_fmts, source, false, &loss);
}
this->context->pix_fmt = target;
this->swscale.set_source_format(source);