/*****************************************************************************
* video_output.c: test for the video output pipeline
*****************************************************************************
* Copyright (C) 2021 VideoLabs
*
* Author: Alexandre Janniaux <ajanni@videolabs.io>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
/* Define a builtin module for mocked parts */
#define MODULE_NAME test_vout_mock
#undef VLC_DYNAMIC_PLUGIN
#include "../../libvlc/test.h"
#include <vlc_common.h>
#include <vlc_plugin.h>
#include <vlc_access.h>
#include <vlc_demux.h>
#include <vlc_codec.h>
#include <vlc_window.h>
#include <vlc_interface.h>
#include <vlc_player.h>
#include <vlc_filter.h>
#include <vlc_vout_display.h>
#include <limits.h>
#include "video_output.h"
#include "../lib/libvlc_internal.h"
static const char dec_dev_arg[] = "--dec-dev=" MODULE_STRING;
const char vlc_module_name[] = MODULE_STRING;
static size_t current_scenario;
static void DecoderDeviceClose(struct vlc_decoder_device *device)
{ VLC_UNUSED(device); }
static const struct vlc_decoder_device_operations decoder_device_ops =
{
.close = DecoderDeviceClose,
};
static int OpenDecoderDevice(
struct vlc_decoder_device *device,
vlc_window_t *window
) {
VLC_UNUSED(window);
device->ops = &decoder_device_ops;
/* Pick any valid one, we'll not use the module which can make use of
* the private parts. */
device->type = VLC_DECODER_DEVICE_VAAPI;
return VLC_SUCCESS;
}
static int DecoderDecode(decoder_t *dec, block_t *block)
{
if (block == NULL)
return VLC_SUCCESS;
struct vout_scenario *scenario = &vout_scenarios[current_scenario];
assert(scenario->decoder_decode != NULL);
scenario->decoder_decode(dec, block);
return VLC_SUCCESS;
}
static void CloseDecoder(vlc_object_t *obj)
{
decoder_t *dec = (decoder_t*)obj;
struct vlc_video_context *vctx = dec->p_sys;
if (vctx)
vlc_video_context_Release(vctx);
}
static int OpenDecoder(vlc_object_t *obj)
{
decoder_t *dec = (decoder_t*)obj;
struct vlc_decoder_device *device = decoder_GetDecoderDevice(dec);
assert(device);
vlc_decoder_device_Release(device);
dec->pf_decode = DecoderDecode;
// Necessary ?
es_format_Clean(&dec->fmt_out);
es_format_Copy(&dec->fmt_out, dec->fmt_in);
struct vout_scenario *scenario = &vout_scenarios[current_scenario];
assert(scenario->decoder_setup != NULL);
scenario->decoder_setup(dec);
msg_Dbg(obj, "Decoder chroma %4.4s -> %4.4s size %ux%u",
(const char *)&dec->fmt_in->i_codec,
(const char *)&dec->fmt_out.i_codec,
dec->fmt_out.video.i_width, dec->fmt_out.video.i_height);
return VLC_SUCCESS;
}
static int OpenFilter(filter_t *filter)
{
static const struct vlc_filter_operations ops = {
.filter_video = NULL,
.close = NULL,
};
filter->ops = &ops;
return VLC_SUCCESS;
}
static picture_t *ConverterFilter(filter_t *filter, picture_t *input)
{
video_format_Clean(&input->format);
video_format_Copy(&input->format, &filter->fmt_out.video);
return input;
}
static int OpenConverter(filter_t *filter)
{
msg_Dbg(filter, "converter chroma %4.4s -> %4.4s size %ux%u -> %ux%u",
(const char *)&filter->fmt_in.i_codec,
(const char *)&filter->fmt_out.i_codec,
filter->fmt_in.video.i_width, filter->fmt_in.video.i_height,
filter->fmt_out.video.i_width, filter->fmt_out.video.i_height);
struct vout_scenario *scenario = &vout_scenarios[current_scenario];
assert(scenario->converter_setup != NULL);
scenario->converter_setup(filter);
static const struct vlc_filter_operations ops = {
.filter_video = ConverterFilter,
.close = NULL,
};
filter->ops = &ops;
return VLC_SUCCESS;
}
static int OpenWindow(vlc_window_t *wnd)
{
static const struct vlc_window_operations ops = {
};
wnd->ops = &ops;
return VLC_SUCCESS;
}
static void Display(vout_display_t *vd, picture_t *picture)
{
(void) vd;
(void) picture;
}
static int OpenDisplay(vout_display_t *vd, video_format_t *fmtp,
struct vlc_video_context *vctx)
{
static const struct vlc_display_operations ops =
{
.display = Display,
};
vd->ops = &ops;
struct vout_scenario *scenario = &vout_scenarios[current_scenario];
assert(scenario->display_setup != NULL);
int ret = scenario->display_setup(vd, fmtp, vctx);
msg_Dbg(vd, "vout display chroma %4.4s size %ux%u -> %ux%u",
(const char *)&fmtp->i_chroma,
fmtp->i_width, fmtp->i_height,
fmtp->i_width, fmtp->i_height);
return ret;
}
static void play_scenario(intf_thread_t *intf, struct vout_scenario *scenario)
{
vout_scenario_init();
input_item_t *media = input_item_New(scenario->source, "dummy");
assert(media);
/* TODO: Codec doesn't seem to have effect in transcode:
* - add a test that --codec works?
* - do not use --codec at all here? */
var_Create(intf, "codec", VLC_VAR_STRING);
var_SetString(intf, "codec", MODULE_STRING);
var_Create(intf, "vout", VLC_VAR_STRING);
var_SetString(intf, "vout", MODULE_STRING);
var_Create(intf, "window", VLC_VAR_STRING);
var_SetString(intf, "window", MODULE_STRING);
vlc_player_t *player = vlc_player_New(&intf->obj,
VLC_PLAYER_LOCK_NORMAL);
assert(player);
vlc_player_Lock(player);
vlc_player_SetCurrentMedia(player, media);
vlc_player_Start(player);
vlc_player_Unlock(player);
vout_scenario_wait(scenario);
vlc_player_Delete(player);
input_item_Release(media);
var_Destroy(intf, "vout");
var_Destroy(intf, "codec");
}
static int OpenIntf(vlc_object_t *obj)
{
intf_thread_t *intf = (intf_thread_t*)obj;
msg_Info(intf, "Starting tests");
while (current_scenario < vout_scenarios_count)
{
msg_Info(intf, " - Running vout scenario %zu", current_scenario);
play_scenario(intf, &vout_scenarios[current_scenario]);
current_scenario++;
}
return VLC_SUCCESS;
}
/**
* Inject the mocked modules as a static plugin:
* - access for triggering the correct decoder
* - decoder for generating video format and context
* - filter for generating video format and context
* - encoder to check the previous video format and context
**/
vlc_module_begin()
set_callbacks(OpenDecoder, CloseDecoder)
set_capability("video decoder", INT_MAX)
add_submodule()
set_callback_dec_device(OpenDecoderDevice, 0)
add_submodule()
set_callback_video_filter(OpenFilter)
add_submodule()
set_callback_video_converter(OpenConverter, INT_MAX)
add_submodule()
set_callback(OpenWindow)
set_capability("vout window", INT_MAX)
add_submodule()
set_callback_display(OpenDisplay, 0)
/* Interface module to avoid casting libvlc_instance_t to object */
add_submodule()
set_callback(OpenIntf)
set_capability("interface", 0)
vlc_module_end()
VLC_EXPORT const vlc_plugin_cb vlc_static_modules[] = {
VLC_SYMBOL(vlc_entry),
NULL
};
int main( int argc, char **argv )
{
(void)argc; (void)argv;
test_init();
const char * const args[] = {
"-vvv", "--vout=dummy", "--aout=dummy", "--text-renderer=dummy",
"--no-auto-preparse", dec_dev_arg,
"--no-spu", "--no-osd",
};
libvlc_instance_t *vlc = libvlc_new(ARRAY_SIZE(args), args);
libvlc_InternalAddIntf(vlc->p_libvlc_int, MODULE_STRING);
libvlc_InternalPlay(vlc->p_libvlc_int);
libvlc_release(vlc);
assert(vout_scenarios_count == current_scenario);
return 0;
}
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