gstreamer/subprojects/gstreamer-vaapi/tests/internal/simple-encoder.c

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/*
* simple-encoder.c - Test GstVaapiencoder
*
* Copyright (C) 2015 Intel Corporation
*
* This library 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 library 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 library; if not, write to the Free
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA
*/
#include "gst/vaapi/sysdeps.h"
#include <gst/vaapi/gstvaapiencoder_mpeg2.h>
#include <gst/vaapi/gstvaapiencoder_h264.h>
#include <gst/vaapi/gstvaapisurfacepool.h>
#include <gst/vaapi/gstvaapisurfaceproxy.h>
#include "output.h"
#include "y4mreader.h"
static guint g_bitrate = 0;
static gchar *g_codec_str;
static gchar *g_output_file_name;
static char **g_input_files = NULL;
#define SURFACE_NUM 16
static GOptionEntry g_options[] = {
{"codec", 'c', 0, G_OPTION_ARG_STRING, &g_codec_str,
"codec to use for video encoding (h264/mpeg2)", NULL},
{"bitrate", 'b', 0, G_OPTION_ARG_INT, &g_bitrate,
"desired bitrate expressed in kbps", NULL},
{"output", 'o', 0, G_OPTION_ARG_FILENAME, &g_output_file_name,
"output file name", NULL},
{G_OPTION_REMAINING, ' ', 0, G_OPTION_ARG_FILENAME_ARRAY, &g_input_files,
"input file name", NULL},
{NULL}
};
typedef struct
{
GstVaapiDisplay *display;
GstVaapiEncoder *encoder;
guint read_frames;
guint encoded_frames;
guint saved_frames;
Y4MReader *parser;
FILE *output_file;
guint input_stopped:1;
guint encode_failed:1;
} App;
static inline gchar *
generate_output_filename (const gchar * ext)
{
gchar *fn;
int i = 0;
while (1) {
fn = g_strdup_printf ("temp%02d.%s", i, ext);
if (g_file_test (fn, G_FILE_TEST_EXISTS | G_FILE_TEST_IS_REGULAR)) {
i++;
g_free (fn);
} else {
break;
}
}
return fn;
}
static gboolean
parse_options (int *argc, char *argv[])
{
GOptionContext *ctx;
gboolean success;
GError *error = NULL;
ctx = g_option_context_new (" - encoder test options");
if (!ctx)
return FALSE;
g_option_context_add_group (ctx, gst_init_get_option_group ());
g_option_context_add_main_entries (ctx, g_options, NULL);
g_option_context_set_help_enabled (ctx, TRUE);
success = g_option_context_parse (ctx, argc, &argv, &error);
if (!success) {
g_printerr ("Option parsing failed: %s\n", error->message);
g_error_free (error);
goto bail;
}
if (!g_codec_str)
g_codec_str = g_strdup ("h264");
if (!g_output_file_name)
g_output_file_name = generate_output_filename (g_codec_str);
bail:
g_option_context_free (ctx);
return success;
}
static void
print_yuv_info (App * app)
{
g_print ("\n");
g_print ("Encode : %s\n", g_codec_str);
g_print ("Resolution : %dx%d\n", app->parser->width, app->parser->height);
g_print ("Source YUV : %s\n", g_input_files ? g_input_files[0] : "stdin");
g_print ("Frame Rate : %0.1f fps\n",
1.0 * app->parser->fps_n / app->parser->fps_d);
g_print ("Coded file : %s\n", g_output_file_name);
g_print ("\n");
}
static void
print_num_frame (App * app)
{
g_print ("\n");
g_print ("read frames : %d\n", app->read_frames);
g_print ("encoded frames : %d\n", app->encoded_frames);
g_print ("saved frames : %d\n", app->saved_frames);
g_print ("\n");
}
static GstVaapiEncoder *
encoder_new (GstVaapiDisplay * display)
{
GstVaapiEncoder *encoder = NULL;
if (!g_strcmp0 (g_codec_str, "mpeg2"))
encoder = gst_vaapi_encoder_mpeg2_new (display);
else if (!g_strcmp0 (g_codec_str, "h264"))
encoder = gst_vaapi_encoder_h264_new (display);
else
return NULL;
gst_vaapi_encoder_set_bitrate (encoder, g_bitrate);
return encoder;
}
static inline GstVideoCodecState *
new_codec_state (gint width, gint height, gint fps_n, gint fps_d)
{
GstVideoCodecState *state;
state = g_new0 (GstVideoCodecState, 1);
state->ref_count = 1;
gst_video_info_set_format (&state->info, GST_VIDEO_FORMAT_ENCODED, width,
height);
state->info.fps_n = fps_n;
state->info.fps_d = fps_d;
return state;
}
static gboolean
set_format (GstVaapiEncoder * encoder, gint width, gint height, gint fps_n,
gint fps_d)
{
GstVideoCodecState *in_state;
GstVaapiEncoderStatus status;
in_state = new_codec_state (width, height, fps_n, fps_d);
status = gst_vaapi_encoder_set_codec_state (encoder, in_state);
g_free (in_state);
return (status == GST_VAAPI_ENCODER_STATUS_SUCCESS);
}
static GstBuffer *
allocate_buffer (GstVaapiCodedBuffer * vbuf)
{
GstBuffer *buf;
gssize size;
size = gst_vaapi_coded_buffer_get_size (vbuf);
if (size <= 0) {
g_warning ("Invalid VA buffer size (%zd)", size);
return NULL;
}
buf = gst_buffer_new_and_alloc (size);
if (!buf) {
g_warning ("Failed to create output buffer of size %zd", size);
return NULL;
}
if (!gst_vaapi_coded_buffer_copy_into (buf, vbuf)) {
g_warning ("Failed to copy VA buffer data");
gst_buffer_unref (buf);
return NULL;
}
return buf;
}
static GstVaapiEncoderStatus
get_encoder_buffer (GstVaapiEncoder * encoder, GstBuffer ** buffer)
{
GstVaapiCodedBufferProxy *proxy = NULL;
GstVaapiEncoderStatus status;
status = gst_vaapi_encoder_get_buffer_with_timeout (encoder, &proxy, 50000);
if (status < GST_VAAPI_ENCODER_STATUS_SUCCESS) {
g_warning ("Failed to get a buffer from encoder: %d", status);
return status;
} else if (status > GST_VAAPI_ENCODER_STATUS_SUCCESS) {
return status;
}
*buffer = allocate_buffer (GST_VAAPI_CODED_BUFFER_PROXY_BUFFER (proxy));
gst_vaapi_coded_buffer_proxy_unref (proxy);
return status;
}
static gboolean
outputs_to_file (GstBuffer * buffer, FILE * file)
{
GstMapInfo info;
size_t written;
gboolean ret = FALSE;
if (!gst_buffer_map (buffer, &info, GST_MAP_READ))
return FALSE;
if (info.size <= 0 || !info.data)
return FALSE;
written = fwrite (info.data, 1, info.size, file);
if (written < info.size) {
g_warning ("write file error.");
goto bail;
}
ret = TRUE;
bail:
gst_buffer_unmap (buffer, &info);
return ret;
}
static gpointer
get_buffer_thread (gpointer data)
{
App *app = data;
GstVaapiEncoderStatus ret;
GstBuffer *obuf;
while (1) {
obuf = NULL;
ret = get_encoder_buffer (app->encoder, &obuf);
if (app->input_stopped && ret > GST_VAAPI_ENCODER_STATUS_SUCCESS) {
break; /* finished */
} else if (ret > GST_VAAPI_ENCODER_STATUS_SUCCESS) { /* another chance */
continue;
}
if (ret < GST_VAAPI_ENCODER_STATUS_SUCCESS) { /* fatal error */
app->encode_failed = TRUE;
break;
}
app->encoded_frames++;
g_debug ("encoded frame %d, buffer = %p", app->encoded_frames, obuf);
if (app->output_file && outputs_to_file (obuf, app->output_file))
app->saved_frames++;
gst_buffer_unref (obuf);
}
if (obuf)
gst_buffer_replace (&obuf, NULL);
return NULL;
}
static void
app_free (App * app)
{
g_return_if_fail (app);
if (app->parser)
y4m_reader_close (app->parser);
if (app->encoder) {
if ((gst_vaapi_encoder_flush (app->encoder)) !=
GST_VAAPI_ENCODER_STATUS_SUCCESS)
GST_WARNING_OBJECT (app->encoder,
"Failed to flush pending encoded frames");
gst_object_unref (app->encoder);
}
if (app->display)
gst_object_unref (app->display);
if (app->output_file)
fclose (app->output_file);
g_free (app);
}
static App *
app_new (const gchar * input_fn, const gchar * output_fn)
{
App *app = g_new0 (App, 1);
if (!app)
return NULL;
app->parser = y4m_reader_open (input_fn);
if (!app->parser) {
g_warning ("Could not parse input stream.");
goto error;
}
app->output_file = fopen (output_fn, "w");
if (app->output_file == NULL) {
g_warning ("Could not open file \"%s\" for writing: %s.", output_fn,
g_strerror (errno));
goto error;
}
app->display = video_output_create_display (NULL);
if (!app->display) {
g_warning ("Could not create VA display.");
goto error;
}
app->encoder = encoder_new (app->display);
if (!app->encoder) {
g_warning ("Could not create encoder.");
goto error;
}
if (!set_format (app->encoder, app->parser->width, app->parser->height,
app->parser->fps_n, app->parser->fps_d)) {
g_warning ("Could not set format.");
goto error;
}
return app;
error:
app_free (app);
return NULL;
}
static gboolean
upload_frame (GstVaapiEncoder * encoder, GstVaapiSurfaceProxy * proxy)
{
GstVideoCodecFrame *frame;
GstVaapiEncoderStatus ret;
frame = g_new0 (GstVideoCodecFrame, 1);
gst_video_codec_frame_set_user_data (frame,
gst_vaapi_surface_proxy_ref (proxy),
(GDestroyNotify) gst_vaapi_surface_proxy_unref);
ret = gst_vaapi_encoder_put_frame (encoder, frame);
return (ret == GST_VAAPI_ENCODER_STATUS_SUCCESS);
}
static gboolean
load_frame (App * app, GstVaapiImage * image)
{
gboolean ret = FALSE;
if (!gst_vaapi_image_map (image))
return FALSE;
ret = y4m_reader_load_image (app->parser, image);
if (!gst_vaapi_image_unmap (image))
return FALSE;
return ret;
}
static int
app_run (App * app)
{
GstVaapiImage *image;
GstVaapiVideoPool *pool;
GThread *buffer_thread;
gsize id;
int ret = EXIT_FAILURE;
image = gst_vaapi_image_new (app->display, GST_VIDEO_FORMAT_I420,
app->parser->width, app->parser->height);
{
GstVideoInfo vi;
gst_video_info_set_format (&vi, GST_VIDEO_FORMAT_ENCODED,
app->parser->width, app->parser->height);
pool = gst_vaapi_surface_pool_new_full (app->display, &vi, 0);
}
buffer_thread = g_thread_new ("get buffer thread", get_buffer_thread, app);
while (1) {
GstVaapiSurfaceProxy *proxy;
GstVaapiSurface *surface;
if (!load_frame (app, image))
break;
if (!gst_vaapi_image_unmap (image))
break;
proxy =
gst_vaapi_surface_proxy_new_from_pool (GST_VAAPI_SURFACE_POOL (pool));
if (!proxy) {
g_warning ("Could not get surface proxy from pool.");
break;
}
surface = gst_vaapi_surface_proxy_get_surface (proxy);
if (!surface) {
g_warning ("Could not get surface from proxy.");
break;
}
if (!gst_vaapi_surface_put_image (surface, image)) {
g_warning ("Could not update surface");
break;
}
if (!upload_frame (app->encoder, proxy)) {
g_warning ("put frame failed");
break;
}
app->read_frames++;
id = gst_vaapi_surface_get_id (surface);
g_debug ("input frame %d, surface id = %" G_GSIZE_FORMAT, app->read_frames,
id);
gst_vaapi_surface_proxy_unref (proxy);
}
app->input_stopped = TRUE;
g_thread_join (buffer_thread);
if (!app->encode_failed && feof (app->parser->fp))
ret = EXIT_SUCCESS;
gst_vaapi_video_pool_replace (&pool, NULL);
gst_vaapi_image_unref (image);
return ret;
}
int
main (int argc, char *argv[])
{
App *app;
int ret = EXIT_FAILURE;
gchar *input_fn;
if (!parse_options (&argc, argv))
return EXIT_FAILURE;
/* @TODO: iterate all the input files */
input_fn = g_input_files ? g_input_files[0] : NULL;
if (input_fn && !g_file_test (input_fn,
G_FILE_TEST_EXISTS | G_FILE_TEST_IS_REGULAR)) {
g_warning ("input file \"%s\" doesn't exist", input_fn);
goto bail;
}
app = app_new (input_fn, g_output_file_name);
if (!app)
goto bail;
print_yuv_info (app);
ret = app_run (app);
print_num_frame (app);
app_free (app);
bail:
g_free (g_codec_str);
g_free (g_output_file_name);
g_strfreev (g_input_files);
gst_deinit ();
return ret;
}