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vd_lavc: use libavcodec metadata for hardware decoder wrappers

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This removes the need to keep an explicit list and to attempt to parse
codec names. Needs latest FFmpeg git.
This commit is contained in:
wm4 2017-12-14 19:28:07 +01:00 committed by Jan Ekström
parent d7d670fcbf
commit 9824a30eb1
2 changed files with 9 additions and 26 deletions
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33
video/decode/vd_lavc.c
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@ -207,16 +207,6 @@ static const char *const hwdec_autoprobe_order[] = {
0
};
static const char *const hwdec_wrappers[] = {
"mmal",
"mediacodec",
"crystalhd",
"v4l2m2m",
"cuvid",
"rkmpp",
NULL
};
static int hwdec_compare(const void *p1, const void *p2)
{
struct hwdec_info *h1 = (void *)p1;
@ -238,12 +228,6 @@ static int hwdec_compare(const void *p1, const void *p2)
return h1->rank > h2->rank ? 1 :-1;
}
static bool test_decoder_suffix(const char *name, const char *suffix)
{
bstr bname = bstr0(name);
return bstr_eatend0(&bname, suffix) && bstr_eatend0(&bname, "_");
}
// (This takes care of some bookkeeping too, like setting info.name)
static void add_hwdec_item(struct hwdec_info **infos, int *num_infos,
struct hwdec_info info)
@ -273,6 +257,8 @@ static void add_all_hwdec_methods(struct hwdec_info **infos, int *num_infos)
codec = av_codec_next(codec);
if (!codec)
break;
if (codec->type != AVMEDIA_TYPE_VIDEO || !av_codec_is_decoder(codec))
continue;
struct hwdec_info info_template = {
.pix_fmt = AV_PIX_FMT_NONE,
@ -280,15 +266,12 @@ static void add_all_hwdec_methods(struct hwdec_info **infos, int *num_infos)
};
const char *wrapper = NULL;
for (int n = 0; hwdec_wrappers[n]; n++) {
if (test_decoder_suffix(codec->name, hwdec_wrappers[n])) {
wrapper = hwdec_wrappers[n];
// Different lavc/mpv names.
if (strcmp(wrapper, "mmal") == 0)
wrapper = "rpi";
break;
}
}
if (codec->capabilities & (AV_CODEC_CAP_HARDWARE | AV_CODEC_CAP_HYBRID))
wrapper = codec->wrapper_name;
// Different lavc/mpv names.
if (wrapper && strcmp(wrapper, "mmal") == 0)
wrapper = "rpi";
// A decoder can provide multiple methods. In particular, hwaccels
// provide various methods (e.g. native h264 with vaapi & d3d11), but

2
wscript
View File

@ -413,7 +413,7 @@ iconv support use --disable-iconv.",
ffmpeg_pkg_config_checks = [
'libavutil', '>= 56.0.100',
'libavcodec', '>= 58.6.102',
'libavcodec', '>= 58.7.100',
'libavformat', '>= 58.0.102',
'libswscale', '>= 5.0.101',
'libavfilter', '>= 7.0.101',