mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-17 22:06:41 +00:00
409 lines
13 KiB
C
409 lines
13 KiB
C
/*
|
|
* gstvaapiutils_h264.c - H.264 related utilities
|
|
*
|
|
* Copyright (C) 2011-2014 Intel Corporation
|
|
* Author: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public License
|
|
* as published by the Free Software Foundation; either version 2.1
|
|
* 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
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free
|
|
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
|
|
* Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#include "sysdeps.h"
|
|
#include <gst/codecparsers/gsth264parser.h>
|
|
#include "gstvaapicompat.h"
|
|
#include "gstvaapiutils_h264_priv.h"
|
|
|
|
#define DEBUG 1
|
|
#include "gstvaapidebug.h"
|
|
|
|
struct map
|
|
{
|
|
guint value;
|
|
const gchar *name;
|
|
};
|
|
|
|
/* Profile string map */
|
|
static const struct map gst_vaapi_h264_profile_map[] = {
|
|
/* *INDENT-OFF* */
|
|
{ GST_VAAPI_PROFILE_H264_CONSTRAINED_BASELINE, "constrained-baseline" },
|
|
{ GST_VAAPI_PROFILE_H264_BASELINE, "baseline" },
|
|
{ GST_VAAPI_PROFILE_H264_MAIN, "main" },
|
|
{ GST_VAAPI_PROFILE_H264_EXTENDED, "extended" },
|
|
{ GST_VAAPI_PROFILE_H264_HIGH, "high" },
|
|
{ GST_VAAPI_PROFILE_H264_HIGH10, "high-10" },
|
|
{ GST_VAAPI_PROFILE_H264_HIGH_422, "high-4:2:2" },
|
|
{ GST_VAAPI_PROFILE_H264_HIGH_444, "high-4:4:4" },
|
|
{ GST_VAAPI_PROFILE_H264_SCALABLE_BASELINE, "scalable-baseline" },
|
|
{ GST_VAAPI_PROFILE_H264_SCALABLE_HIGH, "scalable-high" },
|
|
{ GST_VAAPI_PROFILE_H264_MULTIVIEW_HIGH, "multiview-high" },
|
|
{ GST_VAAPI_PROFILE_H264_STEREO_HIGH, "stereo-high" },
|
|
{ 0, NULL }
|
|
/* *INDENT-ON* */
|
|
};
|
|
|
|
/* Level string map */
|
|
static const struct map gst_vaapi_h264_level_map[] = {
|
|
/* *INDENT-OFF* */
|
|
{ GST_VAAPI_LEVEL_H264_L1, "1" },
|
|
{ GST_VAAPI_LEVEL_H264_L1b, "1b" },
|
|
{ GST_VAAPI_LEVEL_H264_L1_1, "1.1" },
|
|
{ GST_VAAPI_LEVEL_H264_L1_2, "1.2" },
|
|
{ GST_VAAPI_LEVEL_H264_L1_3, "1.3" },
|
|
{ GST_VAAPI_LEVEL_H264_L2, "2" },
|
|
{ GST_VAAPI_LEVEL_H264_L2_1, "2.1" },
|
|
{ GST_VAAPI_LEVEL_H264_L2_2, "2.2" },
|
|
{ GST_VAAPI_LEVEL_H264_L3, "3" },
|
|
{ GST_VAAPI_LEVEL_H264_L3_1, "3.1" },
|
|
{ GST_VAAPI_LEVEL_H264_L3_2, "3.2" },
|
|
{ GST_VAAPI_LEVEL_H264_L4, "4" },
|
|
{ GST_VAAPI_LEVEL_H264_L4_1, "4.1" },
|
|
{ GST_VAAPI_LEVEL_H264_L4_2, "4.2" },
|
|
{ GST_VAAPI_LEVEL_H264_L5, "5" },
|
|
{ GST_VAAPI_LEVEL_H264_L5_1, "5.1" },
|
|
{ GST_VAAPI_LEVEL_H264_L5_2, "5.2" },
|
|
{ GST_VAAPI_LEVEL_H264_L6, "6" },
|
|
{ GST_VAAPI_LEVEL_H264_L6_1, "6.1" },
|
|
{ GST_VAAPI_LEVEL_H264_L6_2, "6.2" },
|
|
{ 0, NULL }
|
|
/* *INDENT-ON* */
|
|
};
|
|
|
|
/* Table A-1 - Level limits */
|
|
/* *INDENT-OFF* */
|
|
static const GstVaapiH264LevelLimits gst_vaapi_h264_level_limits[] = {
|
|
/* level idc MaxMBPS MaxFS MaxDpbMbs MaxBR MaxCPB MinCr */
|
|
{ GST_VAAPI_LEVEL_H264_L1, 10, 1485, 99, 396, 64, 175, 2 },
|
|
{ GST_VAAPI_LEVEL_H264_L1b, 11, 1485, 99, 396, 128, 350, 2 },
|
|
{ GST_VAAPI_LEVEL_H264_L1_1, 11, 3000, 396, 900, 192, 500, 2 },
|
|
{ GST_VAAPI_LEVEL_H264_L1_2, 12, 6000, 396, 2376, 384, 1000, 2 },
|
|
{ GST_VAAPI_LEVEL_H264_L1_3, 13, 11880, 396, 2376, 768, 2000, 2 },
|
|
{ GST_VAAPI_LEVEL_H264_L2, 20, 11880, 396, 2376, 2000, 2000, 2 },
|
|
{ GST_VAAPI_LEVEL_H264_L2_1, 21, 19800, 792, 4752, 4000, 4000, 2 },
|
|
{ GST_VAAPI_LEVEL_H264_L2_2, 22, 20250, 1620, 8100, 4000, 4000, 2 },
|
|
{ GST_VAAPI_LEVEL_H264_L3, 30, 40500, 1620, 8100, 10000, 10000, 2 },
|
|
{ GST_VAAPI_LEVEL_H264_L3_1, 31, 108000, 3600, 18000, 14000, 14000, 4 },
|
|
{ GST_VAAPI_LEVEL_H264_L3_2, 32, 216000, 5120, 20480, 20000, 20000, 4 },
|
|
{ GST_VAAPI_LEVEL_H264_L4, 40, 245760, 8192, 32768, 20000, 25000, 4 },
|
|
{ GST_VAAPI_LEVEL_H264_L4_1, 41, 245760, 8192, 32768, 50000, 62500, 2 },
|
|
{ GST_VAAPI_LEVEL_H264_L4_2, 42, 522240, 8704, 34816, 50000, 62500, 2 },
|
|
{ GST_VAAPI_LEVEL_H264_L5, 50, 589824, 22080, 110400, 135000, 135000, 2 },
|
|
{ GST_VAAPI_LEVEL_H264_L5_1, 51, 983040, 36864, 184320, 240000, 240000, 2 },
|
|
{ GST_VAAPI_LEVEL_H264_L5_2, 52, 2073600, 36864, 184320, 240000, 240000, 2 },
|
|
{ GST_VAAPI_LEVEL_H264_L6, 60, 4177920, 139264, 696320, 240000, 240000, 2 },
|
|
{ GST_VAAPI_LEVEL_H264_L6_1, 61, 8355840, 139264, 696320, 480000, 480000, 2 },
|
|
{ GST_VAAPI_LEVEL_H264_L6_2, 62, 16711680, 139264, 696320, 800000, 800000, 2 },
|
|
{ 0, }
|
|
};
|
|
/* *INDENT-ON* */
|
|
|
|
/* Lookup value in map */
|
|
static const struct map *
|
|
map_lookup_value (const struct map *m, guint value)
|
|
{
|
|
g_return_val_if_fail (m != NULL, NULL);
|
|
|
|
for (; m->name != NULL; m++) {
|
|
if (m->value == value)
|
|
return m;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/* Lookup name in map */
|
|
static const struct map *
|
|
map_lookup_name (const struct map *m, const gchar * name)
|
|
{
|
|
g_return_val_if_fail (m != NULL, NULL);
|
|
|
|
if (!name)
|
|
return NULL;
|
|
|
|
for (; m->name != NULL; m++) {
|
|
if (strcmp (m->name, name) == 0)
|
|
return m;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/** Returns a relative score for the supplied GstVaapiProfile */
|
|
guint
|
|
gst_vaapi_utils_h264_get_profile_score (GstVaapiProfile profile)
|
|
{
|
|
const struct map *const m =
|
|
map_lookup_value (gst_vaapi_h264_profile_map, profile);
|
|
|
|
return m ? 1 + (m - gst_vaapi_h264_profile_map) : 0;
|
|
}
|
|
|
|
/** Returns GstVaapiProfile from H.264 profile_idc value */
|
|
GstVaapiProfile
|
|
gst_vaapi_utils_h264_get_profile (guint8 profile_idc)
|
|
{
|
|
GstVaapiProfile profile;
|
|
|
|
switch (profile_idc) {
|
|
case GST_H264_PROFILE_BASELINE:
|
|
profile = GST_VAAPI_PROFILE_H264_BASELINE;
|
|
break;
|
|
case GST_H264_PROFILE_MAIN:
|
|
profile = GST_VAAPI_PROFILE_H264_MAIN;
|
|
break;
|
|
case GST_H264_PROFILE_EXTENDED:
|
|
profile = GST_VAAPI_PROFILE_H264_EXTENDED;
|
|
break;
|
|
case GST_H264_PROFILE_HIGH:
|
|
profile = GST_VAAPI_PROFILE_H264_HIGH;
|
|
break;
|
|
case GST_H264_PROFILE_HIGH10:
|
|
profile = GST_VAAPI_PROFILE_H264_HIGH10;
|
|
break;
|
|
case GST_H264_PROFILE_HIGH_422:
|
|
profile = GST_VAAPI_PROFILE_H264_HIGH_422;
|
|
break;
|
|
case GST_H264_PROFILE_HIGH_444:
|
|
profile = GST_VAAPI_PROFILE_H264_HIGH_444;
|
|
break;
|
|
case GST_H264_PROFILE_SCALABLE_BASELINE:
|
|
profile = GST_VAAPI_PROFILE_H264_SCALABLE_BASELINE;
|
|
break;
|
|
case GST_H264_PROFILE_SCALABLE_HIGH:
|
|
profile = GST_VAAPI_PROFILE_H264_SCALABLE_HIGH;
|
|
break;
|
|
case GST_H264_PROFILE_MULTIVIEW_HIGH:
|
|
profile = GST_VAAPI_PROFILE_H264_MULTIVIEW_HIGH;
|
|
break;
|
|
case GST_H264_PROFILE_STEREO_HIGH:
|
|
profile = GST_VAAPI_PROFILE_H264_STEREO_HIGH;
|
|
break;
|
|
default:
|
|
GST_DEBUG ("unsupported profile_idc value");
|
|
profile = GST_VAAPI_PROFILE_UNKNOWN;
|
|
break;
|
|
}
|
|
return profile;
|
|
}
|
|
|
|
/** Returns H.264 profile_idc value from GstVaapiProfile */
|
|
guint8
|
|
gst_vaapi_utils_h264_get_profile_idc (GstVaapiProfile profile)
|
|
{
|
|
guint8 profile_idc;
|
|
|
|
switch (profile) {
|
|
case GST_VAAPI_PROFILE_H264_BASELINE:
|
|
case GST_VAAPI_PROFILE_H264_CONSTRAINED_BASELINE:
|
|
profile_idc = GST_H264_PROFILE_BASELINE;
|
|
break;
|
|
case GST_VAAPI_PROFILE_H264_MAIN:
|
|
profile_idc = GST_H264_PROFILE_MAIN;
|
|
break;
|
|
case GST_VAAPI_PROFILE_H264_EXTENDED:
|
|
profile_idc = GST_H264_PROFILE_EXTENDED;
|
|
break;
|
|
case GST_VAAPI_PROFILE_H264_HIGH:
|
|
profile_idc = GST_H264_PROFILE_HIGH;
|
|
break;
|
|
case GST_VAAPI_PROFILE_H264_HIGH10:
|
|
profile_idc = GST_H264_PROFILE_HIGH10;
|
|
break;
|
|
case GST_VAAPI_PROFILE_H264_HIGH_422:
|
|
profile_idc = GST_H264_PROFILE_HIGH_422;
|
|
break;
|
|
case GST_VAAPI_PROFILE_H264_HIGH_444:
|
|
profile_idc = GST_H264_PROFILE_HIGH_444;
|
|
break;
|
|
case GST_VAAPI_PROFILE_H264_SCALABLE_BASELINE:
|
|
profile_idc = GST_H264_PROFILE_SCALABLE_BASELINE;
|
|
break;
|
|
case GST_VAAPI_PROFILE_H264_SCALABLE_HIGH:
|
|
profile_idc = GST_H264_PROFILE_SCALABLE_HIGH;
|
|
break;
|
|
case GST_VAAPI_PROFILE_H264_MULTIVIEW_HIGH:
|
|
profile_idc = GST_H264_PROFILE_MULTIVIEW_HIGH;
|
|
break;
|
|
case GST_VAAPI_PROFILE_H264_STEREO_HIGH:
|
|
profile_idc = GST_H264_PROFILE_STEREO_HIGH;
|
|
break;
|
|
default:
|
|
GST_DEBUG ("unsupported GstVaapiProfile value");
|
|
profile_idc = 0;
|
|
break;
|
|
}
|
|
return profile_idc;
|
|
}
|
|
|
|
/** Returns GstVaapiProfile from a string representation */
|
|
GstVaapiProfile
|
|
gst_vaapi_utils_h264_get_profile_from_string (const gchar * str)
|
|
{
|
|
const struct map *const m = map_lookup_name (gst_vaapi_h264_profile_map, str);
|
|
|
|
return m ? (GstVaapiProfile) m->value : GST_VAAPI_PROFILE_UNKNOWN;
|
|
}
|
|
|
|
/** Returns a string representation for the supplied H.264 profile */
|
|
const gchar *
|
|
gst_vaapi_utils_h264_get_profile_string (GstVaapiProfile profile)
|
|
{
|
|
const struct map *const m =
|
|
map_lookup_value (gst_vaapi_h264_profile_map, profile);
|
|
|
|
return m ? m->name : NULL;
|
|
}
|
|
|
|
/** Returns GstVaapiLevelH264 from H.264 level_idc value */
|
|
GstVaapiLevelH264
|
|
gst_vaapi_utils_h264_get_level (guint8 level_idc)
|
|
{
|
|
const GstVaapiH264LevelLimits *llp;
|
|
|
|
// Prefer Level 1.1 over level 1b
|
|
if (G_UNLIKELY (level_idc == 11))
|
|
return GST_VAAPI_LEVEL_H264_L1_1;
|
|
|
|
for (llp = gst_vaapi_h264_level_limits; llp->level != 0; llp++) {
|
|
if (llp->level_idc == level_idc)
|
|
return llp->level;
|
|
}
|
|
GST_DEBUG ("unsupported level_idc value");
|
|
return (GstVaapiLevelH264) 0;
|
|
}
|
|
|
|
/** Returns H.264 level_idc value from GstVaapiLevelH264 */
|
|
guint8
|
|
gst_vaapi_utils_h264_get_level_idc (GstVaapiLevelH264 level)
|
|
{
|
|
const GstVaapiH264LevelLimits *const llp =
|
|
gst_vaapi_utils_h264_get_level_limits (level);
|
|
|
|
return llp ? llp->level_idc : 0;
|
|
}
|
|
|
|
/** Returns GstVaapiLevelH264 from a string representation */
|
|
GstVaapiLevelH264
|
|
gst_vaapi_utils_h264_get_level_from_string (const gchar * str)
|
|
{
|
|
gint v, level_idc = 0;
|
|
|
|
if (!str || !str[0])
|
|
goto not_found;
|
|
|
|
v = g_ascii_digit_value (str[0]);
|
|
if (v < 0)
|
|
goto not_found;
|
|
level_idc = v * 10;
|
|
|
|
switch (str[1]) {
|
|
case '\0':
|
|
break;
|
|
case '.':
|
|
v = g_ascii_digit_value (str[2]);
|
|
if (v < 0 || str[3] != '\0')
|
|
goto not_found;
|
|
level_idc += v;
|
|
break;
|
|
case 'b':
|
|
if (level_idc == 10 && str[2] == '\0')
|
|
return GST_VAAPI_LEVEL_H264_L1b;
|
|
// fall-trough
|
|
default:
|
|
goto not_found;
|
|
}
|
|
return gst_vaapi_utils_h264_get_level (level_idc);
|
|
|
|
not_found:
|
|
return (GstVaapiLevelH264) 0;
|
|
}
|
|
|
|
/** Returns a string representation for the supplied H.264 level */
|
|
const gchar *
|
|
gst_vaapi_utils_h264_get_level_string (GstVaapiLevelH264 level)
|
|
{
|
|
if (level < GST_VAAPI_LEVEL_H264_L1 || level > GST_VAAPI_LEVEL_H264_L6_2)
|
|
return NULL;
|
|
return gst_vaapi_h264_level_map[level - GST_VAAPI_LEVEL_H264_L1].name;
|
|
}
|
|
|
|
/** Returns level limits as specified in Table A-1 of the H.264 standard */
|
|
const GstVaapiH264LevelLimits *
|
|
gst_vaapi_utils_h264_get_level_limits (GstVaapiLevelH264 level)
|
|
{
|
|
if (level < GST_VAAPI_LEVEL_H264_L1 || level > GST_VAAPI_LEVEL_H264_L6_2)
|
|
return NULL;
|
|
return &gst_vaapi_h264_level_limits[level - GST_VAAPI_LEVEL_H264_L1];
|
|
}
|
|
|
|
/** Returns the Table A-1 specification */
|
|
const GstVaapiH264LevelLimits *
|
|
gst_vaapi_utils_h264_get_level_limits_table (guint * out_length_ptr)
|
|
{
|
|
if (out_length_ptr)
|
|
*out_length_ptr = G_N_ELEMENTS (gst_vaapi_h264_level_limits) - 1;
|
|
return gst_vaapi_h264_level_limits;
|
|
}
|
|
|
|
/** Returns GstVaapiChromaType from H.264 chroma_format_idc value */
|
|
GstVaapiChromaType
|
|
gst_vaapi_utils_h264_get_chroma_type (guint chroma_format_idc)
|
|
{
|
|
GstVaapiChromaType chroma_type;
|
|
|
|
switch (chroma_format_idc) {
|
|
case 0:
|
|
chroma_type = GST_VAAPI_CHROMA_TYPE_YUV400;
|
|
break;
|
|
case 1:
|
|
chroma_type = GST_VAAPI_CHROMA_TYPE_YUV420;
|
|
break;
|
|
case 2:
|
|
chroma_type = GST_VAAPI_CHROMA_TYPE_YUV422;
|
|
break;
|
|
case 3:
|
|
chroma_type = GST_VAAPI_CHROMA_TYPE_YUV444;
|
|
break;
|
|
default:
|
|
GST_DEBUG ("unsupported chroma_format_idc value");
|
|
chroma_type = (GstVaapiChromaType) 0;
|
|
break;
|
|
}
|
|
return chroma_type;
|
|
}
|
|
|
|
/** Returns H.264 chroma_format_idc value from GstVaapiChromaType */
|
|
guint
|
|
gst_vaapi_utils_h264_get_chroma_format_idc (GstVaapiChromaType chroma_type)
|
|
{
|
|
guint chroma_format_idc;
|
|
|
|
switch (chroma_type) {
|
|
case GST_VAAPI_CHROMA_TYPE_YUV400:
|
|
chroma_format_idc = 0;
|
|
break;
|
|
case GST_VAAPI_CHROMA_TYPE_YUV420:
|
|
chroma_format_idc = 1;
|
|
break;
|
|
case GST_VAAPI_CHROMA_TYPE_YUV422:
|
|
chroma_format_idc = 2;
|
|
break;
|
|
case GST_VAAPI_CHROMA_TYPE_YUV444:
|
|
chroma_format_idc = 3;
|
|
break;
|
|
default:
|
|
GST_DEBUG ("unsupported GstVaapiChromaType value");
|
|
chroma_format_idc = 1;
|
|
break;
|
|
}
|
|
return chroma_format_idc;
|
|
}
|