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RetroArch/record/record_driver.c

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/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
* Copyright (C) 2011-2017 - Daniel De Matteis
*
* RetroArch is free software: you can redistribute it and/or modify it under the terms
* of the GNU General Public License as published by the Free Software Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* RetroArch 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with RetroArch.
* If not, see <http://www.gnu.org/licenses/>.
*/
#include <string.h>
#include <file/file_path.h>
#include <compat/strl.h>
#include <string/stdstring.h>
#include <retro_math.h>
#ifdef HAVE_CONFIG_H
#include "../config.h"
#endif
#include "record_driver.h"
#include "../command.h"
#include "../configuration.h"
#include "../driver.h"
#include "../gfx/video_driver.h"
#include "../retroarch.h"
#include "../verbosity.h"
#include "../msg_hash.h"
#include "../list_special.h"
static const record_driver_t *record_drivers[] = {
#ifdef HAVE_FFMPEG
&ffemu_ffmpeg,
#endif
&ffemu_null,
NULL,
};
unsigned recording_width = 0;
unsigned recording_height = 0;
size_t recording_gpu_width = 0;
size_t recording_gpu_height = 0;
static bool recording_enable = false;
static bool recording_use_output_dir = false;
static const record_driver_t *recording_driver = NULL;
void *recording_data = NULL;
/**
* record_driver_find_ident:
* @idx : index of driver to get handle to.
*
* Returns: Human-readable identifier of record driver at index. Can be NULL
* if nothing found.
**/
const char *record_driver_find_ident(int idx)
{
const record_driver_t *drv = record_drivers[idx];
if (!drv)
return NULL;
return drv->ident;
}
/**
* record_driver_find_handle:
* @idx : index of driver to get handle to.
*
* Returns: handle to record driver at index. Can be NULL
* if nothing found.
**/
const void *record_driver_find_handle(int idx)
{
const void *drv = record_drivers[idx];
if (!drv)
return NULL;
return drv;
}
/**
* config_get_record_driver_options:
*
* Get an enumerated list of all record driver names, separated by '|'.
*
* Returns: string listing of all record driver names, separated by '|'.
**/
const char* config_get_record_driver_options(void)
{
return char_list_new_special(STRING_LIST_RECORD_DRIVERS, NULL);
}
void find_record_driver(void)
{
int i;
driver_ctx_info_t drv;
settings_t *settings = config_get_ptr();
drv.label = "record_driver";
drv.s = settings->arrays.record_driver;
driver_ctl(RARCH_DRIVER_CTL_FIND_INDEX, &drv);
i = (int)drv.len;
if (i >= 0)
recording_driver = (const record_driver_t*)record_driver_find_handle(i);
else
{
if (verbosity_is_enabled())
{
unsigned d;
RARCH_ERR("Couldn't find any record driver named \"%s\"\n",
settings->arrays.record_driver);
RARCH_LOG_OUTPUT("Available record drivers are:\n");
for (d = 0; record_driver_find_handle(d); d++)
RARCH_LOG_OUTPUT("\t%s\n", record_driver_find_ident(d));
RARCH_WARN("Going to default to first record driver...\n");
}
recording_driver = (const record_driver_t*)record_driver_find_handle(0);
if (!recording_driver)
retroarch_fail(1, "find_record_driver()");
}
}
/**
* ffemu_find_backend:
* @ident : Identifier of driver to find.
*
* Finds a recording driver with the name @ident.
*
* Returns: recording driver handle if successful, otherwise
* NULL.
**/
const record_driver_t *ffemu_find_backend(const char *ident)
{
unsigned i;
for (i = 0; record_drivers[i]; i++)
{
if (string_is_equal(record_drivers[i]->ident, ident))
return record_drivers[i];
}
return NULL;
}
/**
* gfx_ctx_init_first:
* @backend : Recording backend handle.
* @data : Recording data handle.
* @params : Recording info parameters.
*
* Finds first suitable recording context driver and initializes.
*
* Returns: true (1) if successful, otherwise false (0).
**/
bool record_driver_init_first(const record_driver_t **backend, void **data,
const struct ffemu_params *params)
{
unsigned i;
for (i = 0; record_drivers[i]; i++)
{
void *handle = record_drivers[i]->init(params);
if (!handle)
continue;
*backend = record_drivers[i];
*data = handle;
return true;
}
return false;
}
void recording_dump_frame(const void *data, unsigned width,
unsigned height, size_t pitch, bool is_idle)
{
bool has_gpu_record = false;
uint8_t *gpu_buf = NULL;
struct ffemu_video_data
ffemu_data = {0};
video_driver_get_record_status(&has_gpu_record,
&gpu_buf);
ffemu_data.pitch = (int)pitch;
ffemu_data.width = width;
ffemu_data.height = height;
ffemu_data.data = data;
if (has_gpu_record)
{
struct video_viewport vp;
vp.x = 0;
vp.y = 0;
vp.width = 0;
vp.height = 0;
vp.full_width = 0;
vp.full_height = 0;
video_driver_get_viewport_info(&vp);
if (!vp.width || !vp.height)
{
RARCH_WARN("%s \n",
msg_hash_to_str(MSG_VIEWPORT_SIZE_CALCULATION_FAILED));
command_event(CMD_EVENT_GPU_RECORD_DEINIT, NULL);
recording_dump_frame(data, width, height, pitch, is_idle);
return;
}
/* User has resized. We kinda have a problem now. */
if ( vp.width != recording_gpu_width ||
vp.height != recording_gpu_height)
{
RARCH_WARN("%s\n", msg_hash_to_str(MSG_RECORDING_TERMINATED_DUE_TO_RESIZE));
runloop_msg_queue_push(
msg_hash_to_str(MSG_RECORDING_TERMINATED_DUE_TO_RESIZE),
1, 180, true);
command_event(CMD_EVENT_RECORD_DEINIT, NULL);
return;
}
if (!gpu_buf)
return;
/* Big bottleneck.
* Since we might need to do read-backs asynchronously,
* it might take 3-4 times before this returns true. */
if (!video_driver_read_viewport(gpu_buf, is_idle))
return;
ffemu_data.pitch = (int)(recording_gpu_width * 3);
ffemu_data.width = (unsigned)recording_gpu_width;
ffemu_data.height = (unsigned)recording_gpu_height;
ffemu_data.data = gpu_buf + (ffemu_data.height - 1) * ffemu_data.pitch;
ffemu_data.pitch = -ffemu_data.pitch;
}
if (!has_gpu_record)
ffemu_data.is_dupe = !data;
if (recording_driver && recording_driver->push_video)
recording_driver->push_video(recording_data, &ffemu_data);
}
bool recording_deinit(void)
{
if (!recording_data || !recording_driver)
return false;
if (recording_driver->finalize)
recording_driver->finalize(recording_data);
if (recording_driver->free)
recording_driver->free(recording_data);
recording_data = NULL;
recording_driver = NULL;
command_event(CMD_EVENT_GPU_RECORD_DEINIT, NULL);
return true;
}
bool *recording_is_enabled(void)
{
return &recording_enable;
}
void recording_set_state(bool state)
{
recording_enable = state;
}
void recording_push_audio(const int16_t *data, size_t samples)
{
struct ffemu_audio_data ffemu_data;
ffemu_data.data = data;
ffemu_data.frames = samples / 2;
if (recording_driver && recording_driver->push_audio)
recording_driver->push_audio(recording_data, &ffemu_data);
}
/**
* recording_init:
*
* Initializes recording.
*
* Returns: true (1) if successful, otherwise false (0).
**/
bool recording_init(void)
{
char recording_file[PATH_MAX_LENGTH];
struct ffemu_params params = {0};
struct retro_system_av_info *av_info = video_viewport_get_system_av_info();
bool *recording_enabled = recording_is_enabled();
settings_t *settings = config_get_ptr();
global_t *global = global_get_ptr();
if (!*recording_enabled)
return false;
recording_file[0] = '\0';
if (rarch_ctl(RARCH_CTL_IS_DUMMY_CORE, NULL))
{
RARCH_WARN("%s\n",
msg_hash_to_str(MSG_USING_LIBRETRO_DUMMY_CORE_RECORDING_SKIPPED));
return false;
}
if (!settings->bools.video_gpu_record
&& video_driver_is_hw_context())
{
RARCH_WARN("%s.\n",
msg_hash_to_str(MSG_HW_RENDERED_MUST_USE_POSTSHADED_RECORDING));
return false;
}
RARCH_LOG("%s: FPS: %.4f, Sample rate: %.4f\n",
msg_hash_to_str(MSG_CUSTOM_TIMING_GIVEN),
(float)av_info->timing.fps,
(float)av_info->timing.sample_rate);
strlcpy(recording_file, global->record.path, sizeof(recording_file));
if (recording_use_output_dir)
fill_pathname_join(recording_file,
global->record.output_dir,
global->record.path, sizeof(recording_file));
params.out_width = av_info->geometry.base_width;
params.out_height = av_info->geometry.base_height;
params.fb_width = av_info->geometry.max_width;
params.fb_height = av_info->geometry.max_height;
params.channels = 2;
params.filename = recording_file;
params.fps = av_info->timing.fps;
params.samplerate = av_info->timing.sample_rate;
params.pix_fmt = (video_driver_get_pixel_format() == RETRO_PIXEL_FORMAT_XRGB8888) ?
FFEMU_PIX_ARGB8888 : FFEMU_PIX_RGB565;
params.config = NULL;
if (!string_is_empty(global->record.config))
params.config = global->record.config;
if (video_driver_supports_recording())
{
unsigned gpu_size;
struct video_viewport vp;
vp.x = 0;
vp.y = 0;
vp.width = 0;
vp.height = 0;
vp.full_width = 0;
vp.full_height = 0;
video_driver_get_viewport_info(&vp);
if (!vp.width || !vp.height)
{
RARCH_ERR("Failed to get viewport information from video driver. "
"Cannot start recording ...\n");
return false;
}
params.out_width = vp.width;
params.out_height = vp.height;
params.fb_width = next_pow2(vp.width);
params.fb_height = next_pow2(vp.height);
if (settings->bools.video_force_aspect &&
(video_driver_get_aspect_ratio() > 0.0f))
params.aspect_ratio = video_driver_get_aspect_ratio();
else
params.aspect_ratio = (float)vp.width / vp.height;
params.pix_fmt = FFEMU_PIX_BGR24;
recording_gpu_width = vp.width;
recording_gpu_height = vp.height;
RARCH_LOG("%s %u x %u\n", msg_hash_to_str(MSG_DETECTED_VIEWPORT_OF),
vp.width, vp.height);
gpu_size = vp.width * vp.height * 3;
if (!video_driver_gpu_record_init(gpu_size))
return false;
}
else
{
if (recording_width || recording_height)
{
params.out_width = recording_width;
params.out_height = recording_height;
}
if (settings->bools.video_force_aspect &&
(video_driver_get_aspect_ratio() > 0.0f))
params.aspect_ratio = video_driver_get_aspect_ratio();
else
params.aspect_ratio = (float)params.out_width / params.out_height;
if (settings->bools.video_post_filter_record
&& video_driver_frame_filter_alive())
{
unsigned max_width = 0;
unsigned max_height = 0;
params.pix_fmt = FFEMU_PIX_RGB565;
if (video_driver_frame_filter_is_32bit())
params.pix_fmt = FFEMU_PIX_ARGB8888;
rarch_softfilter_get_max_output_size(
video_driver_frame_filter_get_ptr(),
&max_width, &max_height);
params.fb_width = next_pow2(max_width);
params.fb_height = next_pow2(max_height);
}
}
RARCH_LOG("%s %s @ %ux%u. (FB size: %ux%u pix_fmt: %u)\n",
msg_hash_to_str(MSG_RECORDING_TO),
global->record.path,
params.out_width, params.out_height,
params.fb_width, params.fb_height,
(unsigned)params.pix_fmt);
if (!record_driver_init_first(&recording_driver, &recording_data, &params))
{
RARCH_ERR("%s\n", msg_hash_to_str(MSG_FAILED_TO_START_RECORDING));
command_event(CMD_EVENT_GPU_RECORD_DEINIT, NULL);
return false;
}
return true;
}
void *recording_driver_get_data_ptr(void)
{
return recording_data;
}
void recording_driver_clear_data_ptr(void)
{
recording_data = NULL;
}
void recording_driver_set_data_ptr(void *data)
{
recording_data = data;
}
bool *recording_driver_get_use_output_dir_ptr(void)
{
return &recording_use_output_dir;
}
unsigned *recording_driver_get_width(void)
{
return &recording_width;
}
unsigned *recording_driver_get_height(void)
{
return &recording_height;
}
void recording_driver_free_state(void)
{
recording_use_output_dir = false;
recording_gpu_width = 0;
recording_gpu_height = 0;
recording_width = 0;
recording_height = 0;
}
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