The FF_API_OLD_CHANNEL_LAYOUT api was dropped in upstream: https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/65ddc7498824 Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/6341>
		
			
				
	
	
		
			695 lines
		
	
	
		
			21 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			695 lines
		
	
	
		
			21 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* GStreamer
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|  *
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|  * FFMpeg Configuration
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|  *
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|  * Copyright (C) <2006> Mark Nauwelaerts <manauw@skynet.be>
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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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| 
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| 
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| #ifdef HAVE_CONFIG_H
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| #include "config.h"
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| #endif
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| 
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| #include "gstav.h"
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| #include "gstavvidenc.h"
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| #include "gstavcfg.h"
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| 
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| #include <string.h>
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| #include <libavutil/opt.h>
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| 
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| static GQuark avoption_quark;
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| static GHashTable *generic_overrides = NULL;
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| 
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| static void
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| make_generic_overrides (void)
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| {
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|   g_assert (!generic_overrides);
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|   generic_overrides = g_hash_table_new_full (g_str_hash, g_str_equal,
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|       g_free, (GDestroyNotify) gst_structure_free);
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| 
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|   g_hash_table_insert (generic_overrides, g_strdup ("b"),
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|       gst_structure_new_empty ("bitrate"));
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|   g_hash_table_insert (generic_overrides, g_strdup ("ab"),
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|       gst_structure_new_empty ("bitrate"));
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|   g_hash_table_insert (generic_overrides, g_strdup ("g"),
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|       gst_structure_new_empty ("gop-size"));
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|   g_hash_table_insert (generic_overrides, g_strdup ("bt"),
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|       gst_structure_new_empty ("bitrate-tolerance"));
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|   g_hash_table_insert (generic_overrides, g_strdup ("bf"),
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|       gst_structure_new_empty ("max-bframes"));
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| 
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|   /* Those are exposed through caps */
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|   g_hash_table_insert (generic_overrides, g_strdup ("profile"),
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|       gst_structure_new ("profile", "skip", G_TYPE_BOOLEAN, TRUE, NULL));
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|   g_hash_table_insert (generic_overrides, g_strdup ("level"),
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|       gst_structure_new ("level", "skip", G_TYPE_BOOLEAN, TRUE, NULL));
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|   g_hash_table_insert (generic_overrides, g_strdup ("color_primaries"),
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|       gst_structure_new ("color_primaries", "skip", G_TYPE_BOOLEAN, TRUE,
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|           NULL));
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|   g_hash_table_insert (generic_overrides, g_strdup ("color_trc"),
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|       gst_structure_new ("color_trc", "skip", G_TYPE_BOOLEAN, TRUE, NULL));
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|   g_hash_table_insert (generic_overrides, g_strdup ("colorspace"),
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|       gst_structure_new ("colorspace", "skip", G_TYPE_BOOLEAN, TRUE, NULL));
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|   g_hash_table_insert (generic_overrides, g_strdup ("color_range"),
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|       gst_structure_new ("color_range", "skip", G_TYPE_BOOLEAN, TRUE, NULL));
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| }
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| 
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| void
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| gst_ffmpeg_cfg_init (void)
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| {
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|   avoption_quark = g_quark_from_static_string ("ffmpeg-cfg-param-spec-data");
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|   make_generic_overrides ();
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| }
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| 
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| static gint
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| cmp_enum_value (GEnumValue * val1, GEnumValue * val2)
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| {
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|   if (val1->value == val2->value)
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|     return 0;
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|   return (val1->value > val2->value) ? 1 : -1;
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| }
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| 
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| static GType
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| register_enum (const AVClass ** obj, const AVOption * top_opt)
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| {
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|   const AVOption *opt = NULL;
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|   GType res = 0;
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|   GArray *values;
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|   gchar *lower_obj_name = g_ascii_strdown ((*obj)->class_name, -1);
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|   gchar *enum_name = g_strdup_printf ("%s-%s", lower_obj_name, top_opt->unit);
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|   gboolean none_default = TRUE;
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|   const gchar *enum_name_strip;
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| 
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|   g_strcanon (enum_name, G_CSET_a_2_z G_CSET_DIGITS, '-');
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| 
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|   /* strip leading '-'s */
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|   enum_name_strip = enum_name;
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|   while (enum_name_strip[0] == '-')
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|     enum_name_strip++;
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| 
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|   if (enum_name_strip[0] == '\0')
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|     goto done;
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| 
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|   if ((res = g_type_from_name (enum_name_strip)))
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|     goto done;
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| 
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|   values = g_array_new (TRUE, TRUE, sizeof (GEnumValue));
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| 
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|   while ((opt = av_opt_next (obj, opt))) {
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|     if (opt->type == AV_OPT_TYPE_CONST && !g_strcmp0 (top_opt->unit, opt->unit)) {
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|       GEnumValue val;
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| 
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|       val.value = opt->default_val.i64;
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|       val.value_name = g_strdup (opt->help ? opt->help : opt->name);
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|       val.value_nick = g_strdup (opt->name);
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| 
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|       if (opt->default_val.i64 == top_opt->default_val.i64)
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|         none_default = FALSE;
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| 
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|       g_array_append_val (values, val);
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|     }
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|   }
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| 
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|   if (values->len) {
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|     guint i = 0;
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|     gint cur_val;
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|     gboolean cur_val_set = FALSE;
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| 
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|     /* Sometimes ffmpeg sets a default value but no named constants with
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|      * this value, we assume this means "unspecified" and add our own
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|      */
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|     if (none_default) {
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|       GEnumValue val;
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| 
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|       val.value = top_opt->default_val.i64;
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|       val.value_name = g_strdup ("Unspecified");
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|       val.value_nick = g_strdup ("unknown");
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|       g_array_append_val (values, val);
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|     }
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| 
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|     g_array_sort (values, (GCompareFunc) cmp_enum_value);
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| 
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|     /* Dedup, easy once sorted
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|      * We do this because ffmpeg can expose multiple names for the
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|      * same constant, the way we expose enums makes this too confusing.
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|      */
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|     while (i < values->len) {
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|       if (cur_val_set) {
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|         if (g_array_index (values, GEnumValue, i).value == cur_val) {
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|           GEnumValue val = g_array_index (values, GEnumValue, i);
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|           /* Don't leak the strings */
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|           g_free ((gchar *) val.value_name);
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|           g_free ((gchar *) val.value_nick);
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|           g_array_remove_index (values, i);
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|         } else {
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|           cur_val = g_array_index (values, GEnumValue, i).value;
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|           i++;
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|         }
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|       } else {
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|         cur_val = g_array_index (values, GEnumValue, i).value;
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|         cur_val_set = TRUE;
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|         i++;
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|       }
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|     }
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| 
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|     res = g_enum_register_static (enum_name_strip,
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|         &g_array_index (values, GEnumValue, 0));
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| 
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|     gst_type_mark_as_plugin_api (res, 0);
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| 
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|     g_array_free (values, FALSE);
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|   } else {
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|     g_array_free (values, TRUE);
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|   }
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| 
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| done:
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|   g_free (lower_obj_name);
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|   g_free (enum_name);
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|   return res;
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| }
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| 
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| static gint
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| cmp_flags_value (GFlagsValue * val1, GFlagsValue * val2)
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| {
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|   if (val1->value == val2->value)
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|     return 0;
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|   return (val1->value > val2->value) ? 1 : -1;
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| }
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| 
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| static GType
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| register_flags (const AVClass ** obj, const AVOption * top_opt)
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| {
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|   const AVOption *opt = NULL;
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|   GType res = 0;
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|   GArray *values;
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|   gchar *lower_obj_name = g_ascii_strdown ((*obj)->class_name, -1);
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|   gchar *flags_name = g_strdup_printf ("%s-%s", lower_obj_name, top_opt->unit);
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|   const gchar *flags_name_strip;
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| 
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|   g_strcanon (flags_name, G_CSET_a_2_z G_CSET_DIGITS, '-');
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| 
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|   /* strip leading '-'s */
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|   flags_name_strip = flags_name;
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|   while (flags_name_strip[0] == '-')
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|     flags_name_strip++;
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| 
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|   if (flags_name_strip[0] == '\0')
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|     goto done;
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| 
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|   if ((res = g_type_from_name (flags_name_strip)))
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|     goto done;
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| 
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|   values = g_array_new (TRUE, TRUE, sizeof (GFlagsValue));
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| 
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|   while ((opt = av_opt_next (obj, opt))) {
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|     if (opt->type == AV_OPT_TYPE_CONST && !g_strcmp0 (top_opt->unit, opt->unit)) {
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|       GFlagsValue val;
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| 
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|       /* We expose pass manually, hardcoding this isn't very nice, but
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|        * I don't expect we want to do that sort of things often enough
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|        * to warrant a general mechanism
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|        */
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|       if (!g_strcmp0 (top_opt->name, "flags")) {
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|         if (opt->default_val.i64 == AV_CODEC_FLAG_QSCALE ||
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|             opt->default_val.i64 == AV_CODEC_FLAG_PASS1 ||
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|             opt->default_val.i64 == AV_CODEC_FLAG_PASS2) {
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|           continue;
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|         }
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|       }
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| 
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|       val.value = opt->default_val.i64;
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|       val.value_name = g_strdup (opt->help ? opt->help : opt->name);
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|       val.value_nick = g_strdup (opt->name);
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| 
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|       g_array_append_val (values, val);
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|     }
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|   }
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| 
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|   if (values->len) {
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|     g_array_sort (values, (GCompareFunc) cmp_flags_value);
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| 
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|     res =
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|         g_flags_register_static (flags_name_strip, &g_array_index (values,
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|             GFlagsValue, 0));
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| 
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|     gst_type_mark_as_plugin_api (res, 0);
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|     g_array_free (values, FALSE);
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|   } else
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|     g_array_free (values, TRUE);
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| 
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| done:
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|   g_free (lower_obj_name);
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|   g_free (flags_name);
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|   return res;
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| }
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| 
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| /** GstFFMpegTrilian:
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|  *
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|  * Since: 1.24
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|  */
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| 
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| /** GstFFMpegTrilian::auto
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|  *
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|  * Since: 1.24
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|  */
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| 
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| /** GstFFMpegTrilian::on
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|  *
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|  * Since: 1.24
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|  */
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| 
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| /** GstFFMpegTrilian::off
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|  *
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|  * Since: 1.24
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|  */
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| 
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| #define GST_TYPE_FFMPEG_TRILIAN (gst_ffmpeg_trilian_get_type ())
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| static GType
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| gst_ffmpeg_trilian_get_type (void)
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| {
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|   static const GEnumValue types[] = {
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|     {-1, "Auto", "auto"},
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|     {0, "Off", "off"},
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|     {1, "On", "on"},
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|     {0, NULL, NULL},
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|   };
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|   static gsize id = 0;
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| 
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|   if (g_once_init_enter (&id)) {
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|     GType gtype = g_enum_register_static ("GstFFMpegTrilian", types);
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| 
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|     gst_type_mark_as_plugin_api (gtype, 0);
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|     g_once_init_leave (&id, gtype);
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|   }
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| 
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|   return (GType) id;
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| }
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| 
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| static guint
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| install_opts (GObjectClass * gobject_class, const AVClass ** obj, guint prop_id,
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|     gint flags, const gchar * extra_help, GHashTable * overrides)
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| {
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|   const AVOption *opt = NULL;
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| 
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|   while ((opt = av_opt_next (obj, opt))) {
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|     GParamSpec *pspec = NULL;
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|     AVOptionRanges *r;
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|     gdouble min = G_MINDOUBLE;
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|     gdouble max = G_MAXDOUBLE;
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|     gchar *help;
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|     const gchar *name;
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| 
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|     if (overrides && g_hash_table_contains (overrides, opt->name)) {
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|       gboolean skip;
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|       const GstStructure *s =
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|           (GstStructure *) g_hash_table_lookup (overrides, opt->name);
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| 
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|       name = gst_structure_get_name (s);
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|       if (gst_structure_get_boolean (s, "skip", &skip) && skip) {
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|         continue;
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|       }
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|     } else {
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|       name = opt->name;
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|     }
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| 
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|     if ((opt->flags & flags) != flags)
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|       continue;
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| 
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|     if (g_object_class_find_property (gobject_class, name))
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|       continue;
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| 
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|     if (av_opt_query_ranges (&r, obj, opt->name, AV_OPT_SEARCH_FAKE_OBJ) >= 0) {
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|       if (r->nb_ranges == 1) {
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|         min = r->range[0]->value_min;
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|         max = r->range[0]->value_max;
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|       }
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|       av_opt_freep_ranges (&r);
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|     }
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| 
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|     help = g_strdup_printf ("%s%s", opt->help, extra_help);
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| 
 | |
|     switch (opt->type) {
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|       case AV_OPT_TYPE_INT:
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|         if (opt->unit) {
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|           GType enum_gtype;
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|           enum_gtype = register_enum (obj, opt);
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| 
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|           if (enum_gtype) {
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|             pspec = g_param_spec_enum (name, name, help,
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|                 enum_gtype, opt->default_val.i64, G_PARAM_READWRITE);
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|             g_object_class_install_property (gobject_class, prop_id++, pspec);
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|           } else {              /* Some options have a unit but no named constants associated */
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|             pspec = g_param_spec_int (name, name, help,
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|                 (gint) min, (gint) max, opt->default_val.i64,
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|                 G_PARAM_READWRITE);
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|             g_object_class_install_property (gobject_class, prop_id++, pspec);
 | |
|           }
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|         } else {
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|           pspec = g_param_spec_int (name, name, help,
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|               (gint) min, (gint) max, opt->default_val.i64, G_PARAM_READWRITE);
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|           g_object_class_install_property (gobject_class, prop_id++, pspec);
 | |
|         }
 | |
|         break;
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|       case AV_OPT_TYPE_FLAGS:
 | |
|         if (opt->unit) {
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|           GType flags_gtype;
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|           flags_gtype = register_flags (obj, opt);
 | |
| 
 | |
|           if (flags_gtype) {
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|             pspec = g_param_spec_flags (name, name, help,
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|                 flags_gtype, opt->default_val.i64, G_PARAM_READWRITE);
 | |
|             g_object_class_install_property (gobject_class, prop_id++, pspec);
 | |
|           }
 | |
|         }
 | |
|         break;
 | |
|       case AV_OPT_TYPE_DURATION:       /* Fall through */
 | |
|       case AV_OPT_TYPE_INT64:
 | |
|         /* FIXME 2.0: Workaround for worst property related API change. We
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|          * continue using a 32 bit integer for the bitrate property as
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|          * otherwise too much existing code will fail at runtime.
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|          *
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|          * See https://gitlab.freedesktop.org/gstreamer/gst-libav/issues/41#note_142808 */
 | |
|         if (g_strcmp0 (name, "bitrate") == 0) {
 | |
|           pspec = g_param_spec_int (name, name, help,
 | |
|               (gint) MAX (min, G_MININT), (gint) MIN (max, G_MAXINT),
 | |
|               (gint) opt->default_val.i64, G_PARAM_READWRITE);
 | |
|         } else {
 | |
|           /* ffmpeg expresses all ranges with doubles, this is sad */
 | |
|           pspec = g_param_spec_int64 (name, name, help,
 | |
|               (min == (gdouble) INT64_MIN ? INT64_MIN : (gint64) min),
 | |
|               (max == (gdouble) INT64_MAX ? INT64_MAX : (gint64) max),
 | |
|               opt->default_val.i64, G_PARAM_READWRITE);
 | |
|         }
 | |
|         g_object_class_install_property (gobject_class, prop_id++, pspec);
 | |
|         break;
 | |
|       case AV_OPT_TYPE_DOUBLE:
 | |
|         pspec = g_param_spec_double (name, name, help,
 | |
|             min, max, opt->default_val.dbl, G_PARAM_READWRITE);
 | |
|         g_object_class_install_property (gobject_class, prop_id++, pspec);
 | |
|         break;
 | |
|       case AV_OPT_TYPE_FLOAT:
 | |
|         pspec = g_param_spec_float (name, name, help,
 | |
|             (gfloat) min, (gfloat) max, (gfloat) opt->default_val.dbl,
 | |
|             G_PARAM_READWRITE);
 | |
|         g_object_class_install_property (gobject_class, prop_id++, pspec);
 | |
|         break;
 | |
|       case AV_OPT_TYPE_STRING:
 | |
|         pspec = g_param_spec_string (name, name, help,
 | |
|             opt->default_val.str, G_PARAM_READWRITE);
 | |
|         g_object_class_install_property (gobject_class, prop_id++, pspec);
 | |
|         break;
 | |
|       case AV_OPT_TYPE_UINT64:
 | |
|         /* ffmpeg expresses all ranges with doubles, this is appalling */
 | |
|         pspec = g_param_spec_uint64 (name, name, help,
 | |
|             (guint64) (min <= (gdouble) 0 ? 0 : (guint64) min),
 | |
|             (guint64) (max >=
 | |
|                 /* Biggest value before UINT64_MAX that can be represented as double */
 | |
|                 (gdouble) 18446744073709550000.0 ?
 | |
|                 /* The Double conversion rounds UINT64_MAX to a bigger */
 | |
|                 /* value, so the following smaller limit must be used. */
 | |
|                 G_GUINT64_CONSTANT (18446744073709550000) : (guint64) max),
 | |
|             opt->default_val.i64, G_PARAM_READWRITE);
 | |
|         g_object_class_install_property (gobject_class, prop_id++, pspec);
 | |
|         break;
 | |
|       case AV_OPT_TYPE_BOOL:
 | |
|         /* Some ffmpeg options claims to be booleans but are actually 3-values enums
 | |
|          * with -1 as default instead of 1 or 0. Handle those using a custom enum
 | |
|          * so we keep the same defaults as ffmpeg and users can properly configure them.
 | |
|          */
 | |
|         if (opt->default_val.i64 == -1) {
 | |
|           pspec = g_param_spec_enum (name, name, help,
 | |
|               GST_TYPE_FFMPEG_TRILIAN, opt->default_val.i64, G_PARAM_READWRITE);
 | |
|         } else {
 | |
|           pspec = g_param_spec_boolean (name, name, help,
 | |
|               opt->default_val.i64 ? TRUE : FALSE, G_PARAM_READWRITE);
 | |
|         }
 | |
|         g_object_class_install_property (gobject_class, prop_id++, pspec);
 | |
|         break;
 | |
|         /* TODO: didn't find options for the video encoders with
 | |
|          * the following type, add support if needed */
 | |
| #if LIBAVUTIL_VERSION_MAJOR < 59
 | |
|       case AV_OPT_TYPE_CHANNEL_LAYOUT:
 | |
| #endif
 | |
|       case AV_OPT_TYPE_COLOR:
 | |
|       case AV_OPT_TYPE_VIDEO_RATE:
 | |
|       case AV_OPT_TYPE_SAMPLE_FMT:
 | |
|       case AV_OPT_TYPE_PIXEL_FMT:
 | |
|       case AV_OPT_TYPE_IMAGE_SIZE:
 | |
|       case AV_OPT_TYPE_DICT:
 | |
|       case AV_OPT_TYPE_BINARY:
 | |
|       case AV_OPT_TYPE_RATIONAL:
 | |
|       default:
 | |
|         break;
 | |
|     }
 | |
| 
 | |
|     g_free (help);
 | |
| 
 | |
|     if (pspec) {
 | |
|       g_param_spec_set_qdata (pspec, avoption_quark, (gpointer) opt);
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   return prop_id;
 | |
| }
 | |
| 
 | |
| void
 | |
| gst_ffmpeg_cfg_install_properties (GObjectClass * klass, AVCodec * in_plugin,
 | |
|     guint base, gint flags)
 | |
| {
 | |
|   gint prop_id;
 | |
|   AVCodecContext *ctx;
 | |
| 
 | |
|   prop_id = base;
 | |
|   g_return_if_fail (base > 0);
 | |
| 
 | |
|   ctx = avcodec_alloc_context3 (in_plugin);
 | |
|   if (!ctx)
 | |
|     g_warning ("could not get context");
 | |
| 
 | |
|   prop_id =
 | |
|       install_opts ((GObjectClass *) klass, &in_plugin->priv_class, prop_id, 0,
 | |
|       " (Private codec option)", NULL);
 | |
|   prop_id =
 | |
|       install_opts ((GObjectClass *) klass, &ctx->av_class, prop_id, flags,
 | |
|       " (Generic codec option, might have no effect)", generic_overrides);
 | |
| 
 | |
|   if (ctx) {
 | |
|     gst_ffmpeg_avcodec_close (ctx);
 | |
|     av_free (ctx);
 | |
|   }
 | |
| }
 | |
| 
 | |
| static gint
 | |
| set_option_value (AVCodecContext * ctx, GParamSpec * pspec,
 | |
|     const GValue * value, const AVOption * opt)
 | |
| {
 | |
|   int res = -1;
 | |
| 
 | |
|   switch (G_PARAM_SPEC_VALUE_TYPE (pspec)) {
 | |
|     case G_TYPE_INT:
 | |
|       res = av_opt_set_int (ctx, opt->name,
 | |
|           g_value_get_int (value), AV_OPT_SEARCH_CHILDREN);
 | |
|       break;
 | |
|     case G_TYPE_INT64:
 | |
|       res = av_opt_set_int (ctx, opt->name,
 | |
|           g_value_get_int64 (value), AV_OPT_SEARCH_CHILDREN);
 | |
|       break;
 | |
|     case G_TYPE_UINT64:
 | |
|       res = av_opt_set_int (ctx, opt->name,
 | |
|           g_value_get_uint64 (value), AV_OPT_SEARCH_CHILDREN);
 | |
|       break;
 | |
|     case G_TYPE_DOUBLE:
 | |
|       res = av_opt_set_double (ctx, opt->name,
 | |
|           g_value_get_double (value), AV_OPT_SEARCH_CHILDREN);
 | |
|       break;
 | |
|     case G_TYPE_FLOAT:
 | |
|       res = av_opt_set_double (ctx, opt->name,
 | |
|           g_value_get_float (value), AV_OPT_SEARCH_CHILDREN);
 | |
|       break;
 | |
|     case G_TYPE_STRING:
 | |
|       res = av_opt_set (ctx, opt->name,
 | |
|           g_value_get_string (value), AV_OPT_SEARCH_CHILDREN);
 | |
|       /* Some code in FFmpeg returns ENOMEM if the string is NULL:
 | |
|        * *dst = av_strdup(val);
 | |
|        * return *dst ? 0 : AVERROR(ENOMEM);
 | |
|        * That makes little sense, let's ignore that
 | |
|        */
 | |
|       if (!g_value_get_string (value))
 | |
|         res = 0;
 | |
|       break;
 | |
|     case G_TYPE_BOOLEAN:
 | |
|       res = av_opt_set_int (ctx, opt->name,
 | |
|           g_value_get_boolean (value), AV_OPT_SEARCH_CHILDREN);
 | |
|       break;
 | |
|     default:
 | |
|       if (G_IS_PARAM_SPEC_ENUM (pspec)) {
 | |
|         res = av_opt_set_int (ctx, opt->name,
 | |
|             g_value_get_enum (value), AV_OPT_SEARCH_CHILDREN);
 | |
|       } else if (G_IS_PARAM_SPEC_FLAGS (pspec)) {
 | |
|         res = av_opt_set_int (ctx, opt->name,
 | |
|             g_value_get_flags (value), AV_OPT_SEARCH_CHILDREN);
 | |
|       } else {                  /* oops, bit lazy we don't cover this case yet */
 | |
|         g_critical ("%s does not yet support type %s", GST_FUNCTION,
 | |
|             g_type_name (G_PARAM_SPEC_VALUE_TYPE (pspec)));
 | |
|       }
 | |
|   }
 | |
| 
 | |
|   return res;
 | |
| }
 | |
| 
 | |
| gboolean
 | |
| gst_ffmpeg_cfg_set_property (AVCodecContext * refcontext, const GValue * value,
 | |
|     GParamSpec * pspec)
 | |
| {
 | |
|   const AVOption *opt;
 | |
| 
 | |
|   opt = g_param_spec_get_qdata (pspec, avoption_quark);
 | |
| 
 | |
|   if (!opt)
 | |
|     return FALSE;
 | |
| 
 | |
|   return set_option_value (refcontext, pspec, value, opt) >= 0;
 | |
| }
 | |
| 
 | |
| gboolean
 | |
| gst_ffmpeg_cfg_get_property (AVCodecContext * refcontext, GValue * value,
 | |
|     GParamSpec * pspec)
 | |
| {
 | |
|   const AVOption *opt;
 | |
|   int res = -1;
 | |
| 
 | |
|   opt = g_param_spec_get_qdata (pspec, avoption_quark);
 | |
| 
 | |
|   if (!opt)
 | |
|     return FALSE;
 | |
| 
 | |
|   switch (G_PARAM_SPEC_VALUE_TYPE (pspec)) {
 | |
|     case G_TYPE_INT:
 | |
|     {
 | |
|       int64_t val;
 | |
|       if ((res = av_opt_get_int (refcontext, opt->name,
 | |
|                   AV_OPT_SEARCH_CHILDREN, &val) >= 0))
 | |
|         g_value_set_int (value, val);
 | |
|       break;
 | |
|     }
 | |
|     case G_TYPE_INT64:
 | |
|     {
 | |
|       int64_t val;
 | |
|       if ((res = av_opt_get_int (refcontext, opt->name,
 | |
|                   AV_OPT_SEARCH_CHILDREN, &val) >= 0))
 | |
|         g_value_set_int64 (value, val);
 | |
|       break;
 | |
|     }
 | |
|     case G_TYPE_UINT64:
 | |
|     {
 | |
|       int64_t val;
 | |
|       if ((res = av_opt_get_int (refcontext, opt->name,
 | |
|                   AV_OPT_SEARCH_CHILDREN, &val) >= 0))
 | |
|         g_value_set_uint64 (value, val);
 | |
|       break;
 | |
|     }
 | |
|     case G_TYPE_DOUBLE:
 | |
|     {
 | |
|       gdouble val;
 | |
|       if ((res = av_opt_get_double (refcontext, opt->name,
 | |
|                   AV_OPT_SEARCH_CHILDREN, &val) >= 0))
 | |
|         g_value_set_double (value, val);
 | |
|       break;
 | |
|     }
 | |
|     case G_TYPE_FLOAT:
 | |
|     {
 | |
|       gdouble val;
 | |
|       if ((res = av_opt_get_double (refcontext, opt->name,
 | |
|                   AV_OPT_SEARCH_CHILDREN, &val) >= 0))
 | |
|         g_value_set_float (value, (gfloat) val);
 | |
|       break;
 | |
|     }
 | |
|     case G_TYPE_STRING:
 | |
|     {
 | |
|       uint8_t *val;
 | |
|       if ((res = av_opt_get (refcontext, opt->name,
 | |
|                   AV_OPT_SEARCH_CHILDREN | AV_OPT_ALLOW_NULL, &val) >= 0)) {
 | |
|         g_value_set_string (value, (gchar *) val);
 | |
|       }
 | |
|       break;
 | |
|     }
 | |
|     case G_TYPE_BOOLEAN:
 | |
|     {
 | |
|       int64_t val;
 | |
|       if ((res = av_opt_get_int (refcontext, opt->name,
 | |
|                   AV_OPT_SEARCH_CHILDREN, &val) >= 0))
 | |
|         g_value_set_boolean (value, val ? TRUE : FALSE);
 | |
|       break;
 | |
|     }
 | |
|     default:
 | |
|       if (G_IS_PARAM_SPEC_ENUM (pspec)) {
 | |
|         int64_t val;
 | |
| 
 | |
|         if ((res = av_opt_get_int (refcontext, opt->name,
 | |
|                     AV_OPT_SEARCH_CHILDREN, &val) >= 0))
 | |
|           g_value_set_enum (value, val);
 | |
|       } else if (G_IS_PARAM_SPEC_FLAGS (pspec)) {
 | |
|         int64_t val;
 | |
| 
 | |
|         if ((res = av_opt_get_int (refcontext, opt->name,
 | |
|                     AV_OPT_SEARCH_CHILDREN, &val) >= 0))
 | |
|           g_value_set_flags (value, val);
 | |
|       } else {                  /* oops, bit lazy we don't cover this case yet */
 | |
|         g_critical ("%s does not yet support type %s", GST_FUNCTION,
 | |
|             g_type_name (G_PARAM_SPEC_VALUE_TYPE (pspec)));
 | |
|       }
 | |
|   }
 | |
| 
 | |
|   return res >= 0;
 | |
| }
 | |
| 
 | |
| void
 | |
| gst_ffmpeg_cfg_fill_context (GObject * object, AVCodecContext * context)
 | |
| {
 | |
|   GParamSpec **pspecs;
 | |
|   guint num_props, i;
 | |
| 
 | |
|   pspecs = g_object_class_list_properties (G_OBJECT_GET_CLASS (object),
 | |
|       &num_props);
 | |
| 
 | |
|   for (i = 0; i < num_props; ++i) {
 | |
|     GParamSpec *pspec = pspecs[i];
 | |
|     const AVOption *opt;
 | |
|     GValue value = G_VALUE_INIT;
 | |
| 
 | |
|     opt = g_param_spec_get_qdata (pspec, avoption_quark);
 | |
| 
 | |
|     if (!opt)
 | |
|       continue;
 | |
| 
 | |
|     g_value_init (&value, G_PARAM_SPEC_VALUE_TYPE (pspec));
 | |
|     g_object_get_property (object, pspec->name, &value);
 | |
|     set_option_value (context, pspec, &value, opt);
 | |
|     g_value_unset (&value);
 | |
|   }
 | |
|   g_free (pspecs);
 | |
| }
 | |
| 
 | |
| void
 | |
| gst_ffmpeg_cfg_finalize (void)
 | |
| {
 | |
|   GST_ERROR ("Finalizing");
 | |
|   g_assert (generic_overrides);
 | |
|   g_hash_table_unref (generic_overrides);
 | |
| }
 |