mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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0f0e68080c
For vtdec, we continue to prefer NV12; else we pick whatever downstream wants. In the special case where we're decoding 10-bit or 12-bit ProRes formats, we will prefer AYUV64. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1214>
137 lines
3.7 KiB
C
137 lines
3.7 KiB
C
/*
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* Copyright (C) 2010 Ole André Vadla Ravnås <oleavr@soundrop.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include "vtutil.h"
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gchar *
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gst_vtutil_object_to_string (CFTypeRef obj)
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{
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gchar *result;
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CFStringRef s;
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if (obj == NULL)
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return g_strdup ("(null)");
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s = CFCopyDescription (obj);
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result = gst_vtutil_string_to_utf8 (s);
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CFRelease (s);
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return result;
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}
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gchar *
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gst_vtutil_string_to_utf8 (CFStringRef s)
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{
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gchar *result;
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CFIndex size;
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size = CFStringGetMaximumSizeForEncoding (CFStringGetLength (s),
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kCFStringEncodingUTF8);
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result = g_malloc (size + 1);
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CFStringGetCString (s, result, size + 1, kCFStringEncodingUTF8);
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return result;
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}
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void
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gst_vtutil_dict_set_i32 (CFMutableDictionaryRef dict, CFStringRef key,
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gint32 value)
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{
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CFNumberRef number;
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number = CFNumberCreate (NULL, kCFNumberSInt32Type, &value);
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CFDictionarySetValue (dict, key, number);
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CFRelease (number);
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}
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void
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gst_vtutil_dict_set_string (CFMutableDictionaryRef dict, CFStringRef key,
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const gchar * value)
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{
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CFStringRef string;
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string = CFStringCreateWithCString (NULL, value, kCFStringEncodingASCII);
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CFDictionarySetValue (dict, key, string);
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CFRelease (string);
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}
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void
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gst_vtutil_dict_set_boolean (CFMutableDictionaryRef dict, CFStringRef key,
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gboolean value)
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{
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CFDictionarySetValue (dict, key, value ? kCFBooleanTrue : kCFBooleanFalse);
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}
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void
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gst_vtutil_dict_set_data (CFMutableDictionaryRef dict, CFStringRef key,
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guint8 * value, guint64 length)
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{
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CFDataRef data;
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data = CFDataCreate (NULL, value, length);
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CFDictionarySetValue (dict, key, data);
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CFRelease (data);
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}
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void
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gst_vtutil_dict_set_object (CFMutableDictionaryRef dict, CFStringRef key,
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CFTypeRef * value)
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{
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CFDictionarySetValue (dict, key, value);
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CFRelease (value);
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}
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CMVideoCodecType
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gst_vtutil_codec_type_from_prores_variant (const char *variant)
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{
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if (g_strcmp0 (variant, "standard") == 0)
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return kCMVideoCodecType_AppleProRes422;
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else if (g_strcmp0 (variant, "4444xq") == 0)
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return kCMVideoCodecType_AppleProRes4444XQ;
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else if (g_strcmp0 (variant, "4444") == 0)
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return kCMVideoCodecType_AppleProRes4444;
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else if (g_strcmp0 (variant, "hq") == 0)
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return kCMVideoCodecType_AppleProRes422HQ;
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else if (g_strcmp0 (variant, "lt") == 0)
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return kCMVideoCodecType_AppleProRes422LT;
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else if (g_strcmp0 (variant, "proxy") == 0)
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return kCMVideoCodecType_AppleProRes422Proxy;
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return GST_kCMVideoCodecType_Some_AppleProRes;
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}
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const char *
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gst_vtutil_codec_type_to_prores_variant (CMVideoCodecType codec_type)
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{
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switch (codec_type) {
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case kCMVideoCodecType_AppleProRes422:
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return "standard";
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case kCMVideoCodecType_AppleProRes4444XQ:
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return "4444xq";
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case kCMVideoCodecType_AppleProRes4444:
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return "4444";
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case kCMVideoCodecType_AppleProRes422HQ:
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return "hq";
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case kCMVideoCodecType_AppleProRes422LT:
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return "lt";
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case kCMVideoCodecType_AppleProRes422Proxy:
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return "proxy";
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default:
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g_assert_not_reached ();
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}
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}
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