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Libavcodec capabilities: report nvenc if available

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This commit is contained in:
Martin Pulec
2015-09-18 16:11:04 +02:00
parent 40abd1d403
commit 87fd061e53
1 changed files with 26 additions and 4 deletions
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30
src/video_compress/libavcodec.cpp
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@@ -306,16 +306,38 @@ static int parse_fmt(struct state_video_compress_libav *s, char *fmt) {
static list<compress_preset> get_libavcodec_presets() {
list<compress_preset> ret;
AVCodec *codec;
avcodec_register_all();
if (avcodec_find_encoder(AV_CODEC_ID_H264)) {
ret.push_back({"codec=H.264:bpp=0.096", 20, [](const struct video_desc *d){return (long)(d->width * d->height * d->fps * 0.096);}, {25, 1.5, 0}, {15, 1, 0}});
ret.push_back({ "codec=H.264:bpp=0.193", 30, [](const struct video_desc *d){return (long)(d->width * d->height * d->fps * 0.193);}, {28, 1.5, 0}, {20, 1, 0}});
ret.push_back({"codec=H.264:bitrate=0.289", 50, [](const struct video_desc *d){return (long)(d->width * d->height * d->fps * 0.289);}, {30, 1.5, 0}, {25, 1, 0}});
pthread_mutex_t *lavcd_global_lock = rm_acquire_shared_lock(LAVCD_LOCK_NAME);
pthread_mutex_lock(lavcd_global_lock);
if (avcodec_find_encoder_by_name("libx264")) {
ret.push_back({"encoder=libx264:bpp=0.096", 20, [](const struct video_desc *d){return (long)(d->width * d->height * d->fps * 0.096);}, {25, 1.5, 0}, {15, 1, 0}});
ret.push_back({"encoder=libx264:bpp=0.193", 30, [](const struct video_desc *d){return (long)(d->width * d->height * d->fps * 0.193);}, {28, 1.5, 0}, {20, 1, 0}});
ret.push_back({"encoder=libx264:bitrate=0.289", 50, [](const struct video_desc *d){return (long)(d->width * d->height * d->fps * 0.289);}, {30, 1.5, 0}, {25, 1, 0}});
}
if ((codec = avcodec_find_encoder_by_name("nvenc_h264"))) {
AVCodecContext *codec_ctx = avcodec_alloc_context3(codec);
assert(codec_ctx);
codec_ctx->pix_fmt = AV_PIX_FMT_NV12;
codec_ctx->width = 1920;
codec_ctx->height = 1080;
if (avcodec_open2(codec_ctx, codec, NULL) == 0) {
ret.push_back({"encoder=nvenc_h264:bpp=0.096", 20, [](const struct video_desc *d){return (long)(d->width * d->height * d->fps * 0.096);}, {25, 0, 0.2}, {15, 1, 0}});
ret.push_back({"encoder=nvenc_h264:bpp=0.193", 30, [](const struct video_desc *d){return (long)(d->width * d->height * d->fps * 0.193);}, {28, 0, 0.2}, {20, 1, 0}});
ret.push_back({"encoder=nvenc_h264:bitrate=0.289", 50, [](const struct video_desc *d){return (long)(d->width * d->height * d->fps * 0.289);}, {30, 0, 0.2}, {25, 1, 0}});
avcodec_close(codec_ctx);
}
av_free(codec_ctx);
}
#if 0
ret.push_back({ "codec=MJPEG", 35, 50*1000*1000, {20, 0.75, 0}, {10, 0.5, 0}});
#endif
pthread_mutex_unlock(lavcd_global_lock);
rm_release_shared_lock(LAVCD_LOCK_NAME);
return ret;
}