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lavc: set async_depth=1 for mjpeg_qsv

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This option improves latency (similarly as done for QSV H.264 and HEVC).
This commit is contained in:
Martin Pulec
2023-02-28 15:43:22 +01:00
parent de91c41a14
commit 2f1fc85a8f
1 changed files with 5 additions and 2 deletions
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7
src/video_compress/libavcodec.cpp
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@@ -1367,6 +1367,9 @@ static void setparam_jpeg(AVCodecContext *codec_ctx, struct setparam_param * /*
if (strcmp(codec_ctx->codec->name, "mjpeg") == 0) {
check_av_opt_set<const char *>(codec_ctx->priv_data, "huffman", "default", "Huffman tables");
}
if (strcmp(codec_ctx->codec->name, "mjpeg_qsv") == 0) {
check_av_opt_set<int>(codec_ctx->priv_data, "async_depth", 1);
}
}
static void configure_amf([[maybe_unused]] AVCodecContext *codec_ctx, [[maybe_unused]] struct setparam_param *param) {
@@ -1439,7 +1442,7 @@ static void configure_x264_x265(AVCodecContext *codec_ctx, struct setparam_param
}
}
static void configure_qsv(AVCodecContext *codec_ctx, struct setparam_param *param)
static void configure_qsv_h264_hevc(AVCodecContext *codec_ctx, struct setparam_param *param)
{
check_av_opt_set<const char *>(codec_ctx->priv_data, "scenario", "livestreaming");
check_av_opt_set<int>(codec_ctx->priv_data, "async_depth", 1);
@@ -1565,7 +1568,7 @@ static void setparam_h264_h265_av1(AVCodecContext *codec_ctx, struct setparam_pa
configure_nvenc(codec_ctx, param);
} else if (strcmp(codec_ctx->codec->name, "h264_qsv") == 0 ||
strcmp(codec_ctx->codec->name, "hevc_qsv") == 0) {
configure_qsv(codec_ctx, param);
configure_qsv_h264_hevc(codec_ctx, param);
} else if (strstr(codec_ctx->codec->name, "libsvt") == codec_ctx->codec->name) {
configure_svt(codec_ctx, param);
} else {