mirror of
https://gitlab.freedesktop.org/pipewire/pipewire.git
synced 2025-11-07 13:30:09 -05:00
16b62de53a
Use a POD for the format body. This allows us to more easily build and copy the formats. Remove obsolete code to make video and audio formats. Use SpaVideo/AudioInfo to keep track of formats. Make functions to parse the format into the structures. Update plugins
137 lines
5.5 KiB
C
137 lines
5.5 KiB
C
/* Spa
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* Copyright (C) 2017 Wim Taymans <wim.taymans@gmail.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 <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 <spa/id-map.h>
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#include <spa/log.h>
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#include <spa/node.h>
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#include <spa/loop.h>
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#include <spa/video/format.h>
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#include <spa/format-builder.h>
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#include <lib/debug.h>
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#include <lib/mapper.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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spa_build (SPA_MEDIA_TYPE_VIDEO, SPA_MEDIA_SUBTYPE_RAW,
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SPA_PROP_ID_VIDEO_FORMAT, SPA_PROP_TYPE_INT,
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SPA_VIDEO_FORMAT_I420
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SPA_POD_PROP_FLAG_UNSET |
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SPA_PROP_RANGE_ENUM, 2,
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SPA_VIDEO_FORMAT_I420,
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SPA_VIDEO_FORMAT_YUY2,
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SPA_PROP_ID_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_PROP_RANGE_MIN_MAX,
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1, 1,
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INT32_MAX, INT32_MAX,
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SPA_PROP_ID_VIDEO_FRAMERATE, SPA_PROP_TYPE_FRACTION, 25, 1,
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SPA_POD_PROP_FLAG_UNSET |
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SPA_PROP_RANGE_MIN_MAX,
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0, 1,
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INT32_MAX, 1,
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0);
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#endif
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int
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main (int argc, char *argv[])
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{
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SpaPODBuilder b = { NULL, };
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SpaPODFrame frame[4];
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uint8_t buffer[1024];
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SpaFormat *fmt;
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off_t o;
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b.data = buffer;
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b.size = 1024;
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fmt = SPA_MEMBER (buffer, spa_pod_builder_push_format (&b, &frame[0],
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SPA_MEDIA_TYPE_VIDEO,
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SPA_MEDIA_SUBTYPE_RAW), SpaFormat);
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spa_pod_builder_push_prop (&b, &frame[1],
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SPA_PROP_ID_VIDEO_FORMAT,
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SPA_POD_PROP_RANGE_ENUM | SPA_POD_PROP_FLAG_UNSET | SPA_POD_PROP_FLAG_READWRITE);
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spa_pod_builder_int (&b, SPA_VIDEO_FORMAT_I420);
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spa_pod_builder_int (&b, SPA_VIDEO_FORMAT_I420);
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spa_pod_builder_int (&b, SPA_VIDEO_FORMAT_YUY2);
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spa_pod_builder_pop (&b, &frame[1]);
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SpaRectangle size_min_max[] = { { 1, 1 }, { INT32_MAX, INT32_MAX } };
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spa_pod_builder_push_prop (&b, &frame[1],
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SPA_PROP_ID_VIDEO_SIZE,
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SPA_POD_PROP_RANGE_MIN_MAX | SPA_POD_PROP_FLAG_UNSET | SPA_POD_PROP_FLAG_READWRITE);
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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), false);
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spa_pod_builder_pop (&b, &frame[1]);
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SpaFraction rate_min_max[] = { { 0, 1 }, { INT32_MAX, 1 } };
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spa_pod_builder_push_prop (&b, &frame[1],
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SPA_PROP_ID_VIDEO_FRAMERATE,
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SPA_POD_PROP_RANGE_MIN_MAX | SPA_POD_PROP_FLAG_UNSET | SPA_POD_PROP_FLAG_READWRITE);
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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), false);
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spa_pod_builder_pop (&b, &frame[1]);
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spa_pod_builder_pop (&b, &frame[0]);
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spa_debug_pod (&fmt->obj.pod);
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memset (&b, 0, sizeof(b));
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b.data = buffer;
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b.size = 1024;
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o = spa_pod_builder_format (&b, SPA_MEDIA_TYPE_VIDEO, SPA_MEDIA_SUBTYPE_RAW,
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SPA_PROP_ID_VIDEO_FORMAT, SPA_POD_TYPE_INT,
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SPA_VIDEO_FORMAT_I420,
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SPA_POD_PROP_FLAG_UNSET |
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SPA_POD_PROP_RANGE_ENUM, 2,
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SPA_VIDEO_FORMAT_I420,
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SPA_VIDEO_FORMAT_YUY2,
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SPA_PROP_ID_VIDEO_SIZE , SPA_POD_TYPE_RECTANGLE,
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320, 240,
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SPA_POD_PROP_FLAG_UNSET |
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SPA_POD_PROP_RANGE_MIN_MAX,
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1, 1,
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INT32_MAX, INT32_MAX,
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SPA_PROP_ID_VIDEO_FRAMERATE, SPA_POD_TYPE_FRACTION, 25, 1,
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SPA_POD_PROP_FLAG_UNSET |
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SPA_POD_PROP_RANGE_MIN_MAX,
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0, 1,
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INT32_MAX, 1,
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0);
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printf ("%zd\n", o);
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fmt = SPA_MEMBER (buffer, o, SpaFormat);
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printf ("%d %d\n", fmt->media_type, fmt->media_subtype);
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spa_debug_pod (&fmt->obj.pod);
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return 0;
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}
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