mirror of
https://gitlab.freedesktop.org/pipewire/pipewire.git
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80cfda89c1
Automatically parse and build key/value when in objects without having to prefix the key with ":" Automatically build control/value when in sequence without the "." prefix. Remove the builder with key/pod, taking a reference to the stack built temporary pods is not allowed in c++. We can use the varargs version with the same convenient syntax. Remove the parser "*" option, it is unused. Improve spa_pod_builder_add_* and spa_pod_parser_get_* and make them look similar.
461 lines
14 KiB
C
461 lines
14 KiB
C
/* Spa
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*
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* Copyright © 2018 Wim Taymans
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#include <string.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <errno.h>
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#include <time.h>
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#include <spa/support/log-impl.h>
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#include <spa/pod/pod.h>
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#include <spa/pod/builder.h>
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#include <spa/pod/parser.h>
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#include <spa/param/video/format-utils.h>
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#include <spa/debug/pod.h>
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#include <spa/debug/format.h>
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#include <spa/debug/types.h>
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#if 0
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/* { video/raw,
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* format: (int 1) { 1 2 },
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* size: (rect (320 240)) { (1 1) (MAX MAX) },
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* framerate: (frac (25 1)) { (0 1) (MAX 1) },
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*
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* "(object $format
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* (id $video) (id $raw)
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* (prop $format (int $I420) { $I420 $YUY2 } )
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* (prop $size (rect (320 240)) [ (1 1) (MAX MAX) ] )
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* (prop $framerate (frac (25 1))))
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* "
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*
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*/
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bool: true | false
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int: <num>
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float: <num.frac>
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string: "<string>"
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bytes: "$<base64>"
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pointer: "@<pointer>"
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rectangle: "<width>x<height>"
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fraction: "<num>/<denom>"
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bitmask: "|<bits>"
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array: "[<values>,...]"
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object: "{<key>: <value>,...}"
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key: "<name>"
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"format": "S16LE",
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"format": [ "S16LE", "S24LE" ],
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"size": "320x240",
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"+size": [ "320x240", { "min": "320x240", "max": "640x480", "step": "8x8" ],
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"-size": [ "320x240", ["320x240", "640x480", "512x400"] ],
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"schema.size": { "default": "320x240",
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"flags": ["range", "optional"],
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"values": ["320x240", "640x480", "8x8"] }
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"size-schema":
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{ "default": "320x240",
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"values": ["320x240", "640x480"]
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},
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"size-schema":
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{ "default": "320x240",
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"values": { "min": "320x240", "max": "640x480", "step": "8x8" }
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},
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"size-alt": { "def": "320x240", "type": "range", "vals": ["320x240", "640x480", "8x8"] },
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"size-alt": { "def": "320x240", "type": "enum", "vals": ["320x240", "640x480"],
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{
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"type": "audio/raw",
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"format": ["S16LE", "enum", "S16LE", "S24LE" ],
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"size": [ "320x240", "range", "320x240", "640x480" ],
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"framerate": [ "25/1", "range", "25/1", "30/1" ]
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}
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{ "type": "audio", "subtype": "raw",
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"format": "S16LE",
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"size": { "min": "320x240", "max": "640x480", "step": "8x8" },
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"framerate": [ "25/1", "30/1" ] }
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* JSON based format description
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[ <type>,
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[ <media-type>, <media-subtype> ],
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{
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<key> : [ <type>, <value>, [ <value>, ... ] ],
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...
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}
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]
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<type> = "123.."
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1: s = string : "value"
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i = int : <number>
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f = float : <float>
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b = bool : true | false
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R = rectangle : [ <width>, <height> ]
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F = fraction : [ <num>, <denom> ]
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2: - = default (only default value present)
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e = enum : [ <value>, ... ]
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f = flags : [ <number> ]
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m = min/max : [ <min>, <max> ]
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s = min/max/step : [ <min>, <max>, <step> ]
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3: u = unset : value is unset, choose from options or default
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o = optional : value does not need to be set
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r = readonly : value is read only
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d = deprecated : value is deprecated
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[ "Format",
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[ "video", "raw"],
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{
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"format" : [ "se", "I420", [ "I420", "YUY2" ] ],
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"size" : [ "Rmu", [320, 240], [[ 640, 480], [1024,786]]],
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"framerate" : [ "Fsu", [25, 1], [[ 0, 1], [65536,1]]]
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}
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]
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[ "Format",
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[ "audio", "raw"],
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{
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"format" : [ "se", "S16LE", [ "F32LE", "S16LE" ] ],
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"rate" : [ "imu", 44100, [8000, 96000]],
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"channels" : [ "imu", 1, [1, 4096]]
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"interleaved" : [ "beo", true ]
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}
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]
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( "Format",
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("video", "raw" ),
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{
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"format": ( "seu", "I420", ( "I420","YUY2" ) ),
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"size": ( "Rru", (320, 242), ( (1,1), (MAX, MAX)) ),
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"framerate": ( "Fru", (25, 1), ( (0,1), (MAX, 1)) )
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}
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)
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{ "Type" : "Format", "Id" : 0,
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"mediaType": "video",
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"mediaSubtype": "raw",
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"Video:Format": [ "enum", "I420", "YUY2" ],
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"Video:Size": [ "range", [320,242], [1,1], [MAX,MAX] ],
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"Video:Framerate": [ "range", [25,1], [0,1], [MAX,1] ]
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}
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spa_build(SPA_MEDIA_TYPE_VIDEO, SPA_MEDIA_SUBTYPE_RAW,
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SPA_FORMAT_VIDEO_format, SPA_PROP_TYPE_ID,
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video_format.I420
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SPA_POD_PROP_FLAG_UNSET |
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SPA_CHOICE_ENUM, 2,
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video_format.I420,
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video_format.YUY2,
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SPA_FORMAT_VIDEO_size, SPA_PROP_TYPE_RECTANGLE,
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320, 240,
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SPA_POD_PROP_FLAG_UNSET |
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SPA_CHOICE_RANGE,
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1, 1,
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INT32_MAX, INT32_MAX,
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SPA_FORMAT_VIDEO_framerate, SPA_PROP_TYPE_FRACTION, 25, 1,
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SPA_POD_PROP_FLAG_UNSET | SPA_CHOICE_RANGE, 0, 1, INT32_MAX, 1, 0);
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#endif
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static void do_static_struct(void)
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{
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struct _test_format {
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struct spa_pod_object fmt;
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struct {
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struct spa_pod_prop prop_media_type SPA_ALIGNED(8);
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uint32_t media_type;
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struct spa_pod_prop prop_media_subtype SPA_ALIGNED(8);
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uint32_t media_subtype;
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struct spa_pod_prop prop_format SPA_ALIGNED(8);
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struct {
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struct spa_pod_choice_body choice;
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uint32_t def_format;
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uint32_t enum_format[2];
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} format_vals;
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struct spa_pod_prop prop_size SPA_ALIGNED(8);
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struct {
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struct spa_pod_choice_body choice;
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struct spa_rectangle def_size;
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struct spa_rectangle min_size;
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struct spa_rectangle max_size;
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} size_vals;
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struct spa_pod_prop prop_framerate SPA_ALIGNED(8);
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struct {
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struct spa_pod_choice_body choice;
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struct spa_fraction def_framerate;
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struct spa_fraction min_framerate;
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struct spa_fraction max_framerate;
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} framerate_vals;
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} props;
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} test_format = {
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SPA_POD_INIT_Object(sizeof(test_format.props) + sizeof(struct spa_pod_object_body),
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SPA_TYPE_OBJECT_Format, 0),
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{
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SPA_POD_INIT_Prop(SPA_FORMAT_mediaType, 0,
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sizeof(test_format.props.media_type), SPA_TYPE_Id),
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SPA_MEDIA_TYPE_video,
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SPA_POD_INIT_Prop(SPA_FORMAT_mediaSubtype, 0,
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sizeof(test_format.props.media_subtype), SPA_TYPE_Id),
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SPA_MEDIA_SUBTYPE_raw,
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SPA_POD_INIT_Prop(SPA_FORMAT_VIDEO_format, 0,
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sizeof(test_format.props.format_vals), SPA_TYPE_Choice),
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{
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SPA_POD_INIT_CHOICE_BODY(SPA_CHOICE_Enum, 0,
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sizeof(uint32_t), SPA_TYPE_Id),
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SPA_VIDEO_FORMAT_I420,
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{ SPA_VIDEO_FORMAT_I420, SPA_VIDEO_FORMAT_YUY2 }
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},
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SPA_POD_INIT_Prop(SPA_FORMAT_VIDEO_size, 0,
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sizeof(test_format.props.size_vals), SPA_TYPE_Choice),
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{
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SPA_POD_INIT_CHOICE_BODY(SPA_CHOICE_Range, 0,
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sizeof(struct spa_rectangle), SPA_TYPE_Rectangle),
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SPA_RECTANGLE(320,243),
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SPA_RECTANGLE(1,1), SPA_RECTANGLE(INT32_MAX, INT32_MAX)
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},
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SPA_POD_INIT_Prop(SPA_FORMAT_VIDEO_framerate, 0,
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sizeof(test_format.props.framerate_vals), SPA_TYPE_Choice),
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{
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SPA_POD_INIT_CHOICE_BODY(SPA_CHOICE_Range, 0,
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sizeof(struct spa_fraction), SPA_TYPE_Fraction),
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SPA_FRACTION(25,1),
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SPA_FRACTION(0,1), SPA_FRACTION(INT32_MAX,1)
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}
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}
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};
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fprintf(stderr, "static:\n");
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spa_debug_pod(0, NULL, &test_format.fmt.pod);
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spa_debug_format(0, NULL, &test_format.fmt.pod);
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{
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uint32_t format = -1;
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int res;
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struct spa_fraction frac = { -1, -1 };
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res = spa_pod_parse_object(&test_format.fmt.pod,
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SPA_TYPE_OBJECT_Format, NULL,
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SPA_FORMAT_VIDEO_format, SPA_POD_Id(&format),
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SPA_FORMAT_VIDEO_framerate, SPA_POD_Fraction(&frac));
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printf("%d format %d num %d denom %d\n", res, format, frac.num, frac.denom);
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spa_pod_fixate(&test_format.fmt.pod);
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res = spa_pod_parse_object(&test_format.fmt.pod,
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SPA_TYPE_OBJECT_Format, NULL,
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SPA_FORMAT_VIDEO_format, SPA_POD_Id(&format),
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SPA_FORMAT_VIDEO_framerate, SPA_POD_Fraction(&frac));
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printf("%d format %d num %d denom %d\n", res, format, frac.num, frac.denom);
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}
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}
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#define ITER 10000000
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int main(int argc, char *argv[])
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{
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struct spa_pod_builder b = { NULL, };
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uint8_t buffer[1024];
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struct spa_pod_object *fmt;
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int i;
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struct timespec ts1, ts2;
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fprintf(stderr, "build 1: ");
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clock_gettime(CLOCK_MONOTONIC, &ts1);
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for (i = 0 ; i < ITER; i++) {
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spa_pod_builder_init(&b, buffer, sizeof(buffer));
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spa_pod_builder_push_object(&b, SPA_TYPE_OBJECT_Format, 0);
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spa_pod_builder_prop(&b, SPA_FORMAT_mediaType, 0);
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spa_pod_builder_id(&b, SPA_MEDIA_TYPE_video);
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spa_pod_builder_prop(&b, SPA_FORMAT_mediaSubtype, 0);
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spa_pod_builder_id(&b, SPA_MEDIA_SUBTYPE_raw);
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spa_pod_builder_prop(&b, SPA_FORMAT_VIDEO_format, 0);
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spa_pod_builder_push_choice(&b, SPA_CHOICE_Enum, 0);
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spa_pod_builder_id(&b, SPA_VIDEO_FORMAT_I420);
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spa_pod_builder_id(&b, SPA_VIDEO_FORMAT_I420);
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spa_pod_builder_id(&b, SPA_VIDEO_FORMAT_YUY2);
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spa_pod_builder_pop(&b);
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struct spa_rectangle size_min_max[] = { {1, 1}, {INT32_MAX, INT32_MAX} };
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spa_pod_builder_prop(&b, SPA_FORMAT_VIDEO_size, 0);
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spa_pod_builder_push_choice(&b, SPA_CHOICE_Range, 0);
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spa_pod_builder_rectangle(&b, 320, 240);
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spa_pod_builder_raw(&b, size_min_max, sizeof(size_min_max));
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spa_pod_builder_pop(&b);
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struct spa_fraction rate_min_max[] = { {0, 1}, {INT32_MAX, 1} };
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spa_pod_builder_prop(&b, SPA_FORMAT_VIDEO_framerate, 0);
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spa_pod_builder_push_choice(&b, SPA_CHOICE_Range, 0);
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spa_pod_builder_fraction(&b, 25, 1);
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spa_pod_builder_raw(&b, rate_min_max, sizeof(rate_min_max));
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spa_pod_builder_pop(&b);
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fmt = spa_pod_builder_pop(&b);
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}
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clock_gettime(CLOCK_MONOTONIC, &ts2);
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fprintf(stderr, "elapsed %lld\n", SPA_TIMESPEC_TO_NSEC(&ts2) - SPA_TIMESPEC_TO_NSEC(&ts1));
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spa_debug_pod(0, NULL, &fmt->pod);
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fprintf(stderr, "build 2: ");
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clock_gettime(CLOCK_MONOTONIC, &ts1);
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for (i = 0 ; i < ITER; i++) {
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spa_pod_builder_init(&b, buffer, sizeof(buffer));
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fmt = spa_pod_builder_add_object(&b,
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SPA_TYPE_OBJECT_Format, 0,
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SPA_FORMAT_mediaType, "I", SPA_MEDIA_TYPE_video,
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SPA_FORMAT_mediaSubtype, "I", SPA_MEDIA_SUBTYPE_raw,
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SPA_FORMAT_VIDEO_format, "?eI", 3, SPA_VIDEO_FORMAT_I420,
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SPA_VIDEO_FORMAT_I420,
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SPA_VIDEO_FORMAT_YUY2,
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SPA_FORMAT_VIDEO_size, "?rR", 3, &SPA_RECTANGLE(320,241),
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&SPA_RECTANGLE(1,1),
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&SPA_RECTANGLE(INT32_MAX,INT32_MAX),
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SPA_FORMAT_VIDEO_framerate, "?rF", 3, &SPA_FRACTION(25,1),
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&SPA_FRACTION(0,1),
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&SPA_FRACTION(INT32_MAX,1));
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}
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clock_gettime(CLOCK_MONOTONIC, &ts2);
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fprintf(stderr, "elapsed %lld\n", SPA_TIMESPEC_TO_NSEC(&ts2) - SPA_TIMESPEC_TO_NSEC(&ts1));
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spa_debug_pod(0, NULL, &fmt->pod);
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spa_debug_format(0, NULL, &fmt->pod);
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fprintf(stderr, "build 3: ");
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clock_gettime(CLOCK_MONOTONIC, &ts1);
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for (i = 0 ; i < ITER; i++) {
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spa_pod_builder_init(&b, buffer, sizeof(buffer));
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fmt = spa_pod_builder_add(&b,
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"{", SPA_TYPE_OBJECT_Format, 0,
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SPA_FORMAT_mediaType, "I", SPA_MEDIA_TYPE_video,
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SPA_FORMAT_mediaSubtype, "I", SPA_MEDIA_SUBTYPE_raw,
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SPA_FORMAT_VIDEO_format, SPA_POD_CHOICE_ENUM_Id(3,
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SPA_VIDEO_FORMAT_I420,
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SPA_VIDEO_FORMAT_I420,
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SPA_VIDEO_FORMAT_YUY2),
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SPA_FORMAT_VIDEO_size, SPA_POD_CHOICE_RANGE_Rectangle(
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&SPA_RECTANGLE(320,242),
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&SPA_RECTANGLE(1,1),
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&SPA_RECTANGLE(INT32_MAX,INT32_MAX)),
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SPA_FORMAT_VIDEO_framerate, SPA_POD_CHOICE_RANGE_Fraction(
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&SPA_FRACTION(25,1),
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&SPA_FRACTION(0,1),
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&SPA_FRACTION(INT32_MAX,1)),
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0,
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"}", NULL);
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}
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clock_gettime(CLOCK_MONOTONIC, &ts2);
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fprintf(stderr, "elapsed %lld\n", SPA_TIMESPEC_TO_NSEC(&ts2) - SPA_TIMESPEC_TO_NSEC(&ts1));
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spa_debug_pod(0, NULL, &fmt->pod);
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spa_debug_format(0, NULL, &fmt->pod);
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do_static_struct();
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fprintf(stderr, "build 4: ");
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clock_gettime(CLOCK_MONOTONIC, &ts1);
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for (i = 0 ; i < ITER; i++) {
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spa_pod_builder_init(&b, buffer, sizeof(buffer));
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spa_pod_builder_push_object(&b, SPA_TYPE_OBJECT_Format, 0);
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spa_pod_builder_prop(&b, SPA_FORMAT_mediaType, 0);
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spa_pod_builder_id(&b, SPA_MEDIA_TYPE_video);
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spa_pod_builder_prop(&b, SPA_FORMAT_mediaSubtype, 0);
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spa_pod_builder_id(&b, SPA_MEDIA_SUBTYPE_raw);
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spa_pod_builder_prop(&b, SPA_FORMAT_VIDEO_format, 0);
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spa_pod_builder_primitive(&b, (struct spa_pod*)&SPA_POD_INIT_Choice(
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SPA_CHOICE_Enum, uint32_t, SPA_TYPE_Id, 3,
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SPA_VIDEO_FORMAT_I420, SPA_VIDEO_FORMAT_I420, SPA_VIDEO_FORMAT_YUY2));
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spa_pod_builder_prop(&b, SPA_FORMAT_VIDEO_size, 0);
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spa_pod_builder_primitive(&b, (struct spa_pod*)&SPA_POD_INIT_Choice(
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SPA_CHOICE_Range, struct spa_rectangle, SPA_TYPE_Rectangle, 3,
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SPA_RECTANGLE(320,242),
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SPA_RECTANGLE(1,1),
|
|
SPA_RECTANGLE(INT32_MAX,INT32_MAX)));
|
|
spa_pod_builder_prop(&b, SPA_FORMAT_VIDEO_framerate, 0);
|
|
spa_pod_builder_primitive(&b, (struct spa_pod*)&SPA_POD_INIT_Choice(
|
|
SPA_CHOICE_Range, struct spa_fraction, SPA_TYPE_Fraction, 3,
|
|
SPA_FRACTION(25,1),
|
|
SPA_FRACTION(0,1),
|
|
SPA_FRACTION(INT32_MAX,1)));
|
|
fmt = spa_pod_builder_pop(&b);
|
|
}
|
|
clock_gettime(CLOCK_MONOTONIC, &ts2);
|
|
fprintf(stderr, "elapsed %lld\n", SPA_TIMESPEC_TO_NSEC(&ts2) - SPA_TIMESPEC_TO_NSEC(&ts1));
|
|
|
|
spa_debug_pod(0, NULL, &fmt->pod);
|
|
spa_debug_format(0, NULL, &fmt->pod);
|
|
|
|
fprintf(stderr, "build 5: ");
|
|
clock_gettime(CLOCK_MONOTONIC, &ts1);
|
|
for (i = 0 ; i < ITER; i++) {
|
|
spa_pod_builder_init(&b, buffer, sizeof(buffer));
|
|
fmt = spa_pod_builder_add_object(&b,
|
|
SPA_TYPE_OBJECT_Format, 0,
|
|
SPA_FORMAT_mediaType, SPA_POD_Id(SPA_MEDIA_TYPE_video),
|
|
SPA_FORMAT_mediaSubtype, SPA_POD_Id(SPA_MEDIA_SUBTYPE_raw),
|
|
SPA_FORMAT_VIDEO_format, SPA_POD_CHOICE_ENUM_Id(3,
|
|
SPA_VIDEO_FORMAT_I420,
|
|
SPA_VIDEO_FORMAT_I420,
|
|
SPA_VIDEO_FORMAT_YUY2),
|
|
SPA_FORMAT_VIDEO_size, SPA_POD_CHOICE_RANGE_Rectangle(
|
|
&SPA_RECTANGLE(320,242),
|
|
&SPA_RECTANGLE(1,1),
|
|
&SPA_RECTANGLE(INT32_MAX,INT32_MAX)),
|
|
SPA_FORMAT_VIDEO_framerate,SPA_POD_CHOICE_RANGE_Fraction(
|
|
&SPA_FRACTION(25,1),
|
|
&SPA_FRACTION(0,1),
|
|
&SPA_FRACTION(INT32_MAX,1)));
|
|
}
|
|
clock_gettime(CLOCK_MONOTONIC, &ts2);
|
|
fprintf(stderr, "elapsed %lld\n", SPA_TIMESPEC_TO_NSEC(&ts2) - SPA_TIMESPEC_TO_NSEC(&ts1));
|
|
|
|
spa_debug_pod(0, NULL, &fmt->pod);
|
|
spa_debug_format(0, NULL, &fmt->pod);
|
|
|
|
return 0;
|
|
}
|