gstreamer/subprojects/gst-plugins-bad/sys/va/gstvaprofile.c
Víctor Manuel Jáquez Leal 8c59ee29c2 vah264dec: Complete profiles in decoder.
Instead of specifying all the H.264 "supported" profiles in the global
hash table (used either by decoders and encoders), just complete them
in the decoder only, since the encoder doesn't support them.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/2844>
2022-08-08 17:47:56 +00:00

182 lines
6.5 KiB
C

/* GStreamer
* Copyright (C) 2020 Igalia, S.L.
* Author: Víctor Jáquez <vjaquez@igalia.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "gstvaprofile.h"
/* *INDENT-OFF* */
static const struct ProfileMap
{
VAProfile profile;
GstVaCodecs codec;
const gchar *va_name;
const gchar *name;
const gchar *media_type;
const gchar *caps_str;
} profile_map[] = {
#define P(codec, va_name, name, media_type, caps_str) { \
G_PASTE (G_PASTE (VAProfile, codec), va_name), codec, \
G_STRINGIFY (G_PASTE (G_PASTE (VAProfile, codec), va_name)), \
name, media_type, caps_str }
P (MPEG2, Simple, "simple", "video/mpeg",
"mpegversion = (int) 2, profile = (string) simple"),
P (MPEG2, Main, "main", "video/mpeg",
"mpegversion = (int) 2, profile = (string) main"),
P (MPEG4, Simple, "simple", "video/mpeg",
"mpegversion = (int) 4, profile = (string) simple"),
P (MPEG4, AdvancedSimple, "advanced-simple", "video/mpeg",
"mpegversion = (int) 4, profile = (string) advanced-simple"),
P (MPEG4, Main, "main", "video/mpeg",
"mpegversion = (int) 4, profile = (string) main, "),
P (H264, Main, "main", "video/x-h264", "profile = (string) main"),
P (H264, High, "high", "video/x-h264", "profile = (string) high"),
P (VC1, Simple, "simple", "video/x-wmv",
"wmvversion = (int) 3, profile = (string) simple"),
P (VC1, Main, "main", "video/x-wmv",
"wmvversion = (int) 3, profile = (string) main"),
P (VC1, Advanced, "advanced", "video/x-wmv",
"wmvversion = (int) 3, format = (string) WVC1, "
"profile = (string) advanced"),
P (H263, Baseline, "baseline", "video/x-h263",
"variant = (string) itu, h263version = (string) h263, "
"profile = (string) baseline"),
P (JPEG, Baseline, "", "image/jpeg", "sof-marker = (int) 0"),
P (H264, ConstrainedBaseline, "constrained-baseline", "video/x-h264",
"profile = (string) constrained-baseline"),
P (VP8, Version0_3, "", "video/x-vp8", NULL),
/* Unsupported profiles by current GstH264Decoder */
/* P (H264, MultiviewHigh, "video/x-h264", */
/* "profile = (string) { multiview-high, stereo-high }"), */
/* P (H264, StereoHigh, "video/x-h264", */
/* "profile = (string) { multiview-high, stereo-high }"), */
P (HEVC, Main, "main", "video/x-h265", "profile = (string) main"),
P (HEVC, Main10, "main-10", "video/x-h265", "profile = (string) main-10"),
P (VP9, Profile0, "0", "video/x-vp9", "profile = (string) 0"),
P (VP9, Profile1, "1", "video/x-vp9", "profile = (string) 1"),
P (VP9, Profile2, "2", "video/x-vp9", "profile = (string) 2"),
P (VP9, Profile3, "3", "video/x-vp9", "profile = (string) 3"),
P (HEVC, Main12, "main-12", "video/x-h265", "profile = (string) main-12"),
P (HEVC, Main422_10, "main-422-10", "video/x-h265",
"profile = (string) main-422-10"),
P (HEVC, Main422_12, "main-422-12", "video/x-h265",
"profile = (string) main-422-12"),
P (HEVC, Main444, "main-444", "video/x-h265", "profile = (string) main-444"),
P (HEVC, Main444_10, "main-444-10", "video/x-h265",
"profile = (string) main-444-10"),
P (HEVC, Main444_12, "main-444-12", "video/x-h265",
"profile = (string) main-444-12"),
P (HEVC, SccMain, "screen-extended-main", "video/x-h265",
"profile = (string) screen-extended-main"),
P (HEVC, SccMain10, "screen-extended-main-10", "video/x-h265",
"profile = (string) screen-extended-main-10"),
P (HEVC, SccMain444, "screen-extended-main-444", "video/x-h265",
"profile = (string) screen-extended-main-444"),
#if VA_CHECK_VERSION(1,7,0)
/* Spec A.2:
"Main" compliant decoders must be able to decode streams with
seq_profile equal to 0.
"High" compliant decoders must be able to decode streams with
seq_profile less than or equal to 1.
"Professional" compliant decoders must be able to decode streams
with seq_profile less than or equal to 2.
The correct relationship between profile "main" "high" "professional"
and seq_profile "0" "1" "2" should be:
main <------> { 0 }
high <------> { main, 1 }
professional <------> { high, 2 }
So far, all va decoders can support "0" when they support "1",
we just map "0" to "main" and "1" to "high". */
P (AV1, Profile0, "main", "video/x-av1", "profile = (string) main"),
P (AV1, Profile1, "high", "video/x-av1", "profile = (string) high"),
#endif
#if VA_CHECK_VERSION(1, 8, 0)
P (HEVC, SccMain444_10, "screen-extended-main-444-10", "video/x-h265",
"profile = (string) screen-extended-main-444-10"),
#endif
#undef P
};
/* *INDENT-ON* */
static const struct ProfileMap *
get_profile_map (VAProfile profile)
{
int i;
for (i = 0; i < G_N_ELEMENTS (profile_map); i++) {
if (profile_map[i].profile == profile)
return &profile_map[i];
}
return NULL;
}
guint32
gst_va_profile_codec (VAProfile profile)
{
const struct ProfileMap *map = get_profile_map (profile);
return map ? map->codec : GST_MAKE_FOURCC ('N', 'O', 'N', 'E');
}
const gchar *
gst_va_profile_name (VAProfile profile)
{
const struct ProfileMap *map = get_profile_map (profile);
return map ? map->va_name : NULL;
}
VAProfile
gst_va_profile_from_name (GstVaCodecs codec, const gchar * name)
{
int i;
for (i = 0; i < G_N_ELEMENTS (profile_map); i++) {
if (profile_map[i].codec == codec &&
g_strcmp0 (profile_map[i].name, name) == 0)
return profile_map[i].profile;
}
return VAProfileNone;
}
GstCaps *
gst_va_profile_caps (VAProfile profile)
{
const struct ProfileMap *map = get_profile_map (profile);
GstCaps *caps;
gchar *caps_str;
if (!map)
return NULL;
if (map->caps_str)
caps_str = g_strdup_printf ("%s, %s", map->media_type, map->caps_str);
else
caps_str = g_strdup (map->media_type);
caps = gst_caps_from_string (caps_str);
g_free (caps_str);
return caps;
}