x264 source for verification 2026-05-22

2026-05-22 16:45:04 +08:00
commit 4647f166e5
270 changed files with 166522 additions and 0 deletions
--- a/example.c
+++ b/example.c
@@ -0,0 +1,141 @@
+/*****************************************************************************
+ * example.c: libx264 API usage example
+ *****************************************************************************
+ * Copyright (C) 2014-2025 x264 project
+ *
+ * Authors: Anton Mitrofanov <BugMaster@narod.ru>
+ *
+ * This program 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 Foundation; either version 2 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02111, USA.
+ *
+ * This program is also available under a commercial proprietary license.
+ * For more information, contact us at licensing@x264.com.
+ *****************************************************************************/
+
+#ifdef _WIN32
+#include <io.h>       /* _setmode() */
+#include <fcntl.h>    /* _O_BINARY */
+#endif
+
+#include <stdint.h>
+#include <stdio.h>
+#include <x264.h>
+
+#define FAIL_IF_ERROR( cond, ... )\
+do\
+{\
+    if( cond )\
+    {\
+        fprintf( stderr, __VA_ARGS__ );\
+        goto fail;\
+    }\
+} while( 0 )
+
+int main( int argc, char **argv )
+{
+    int width, height;
+    x264_param_t param;
+    x264_picture_t pic;
+    x264_picture_t pic_out;
+    x264_t *h;
+    int i_frame = 0;
+    int i_frame_size;
+    x264_nal_t *nal;
+    int i_nal;
+
+#ifdef _WIN32
+    _setmode( _fileno( stdin ),  _O_BINARY );
+    _setmode( _fileno( stdout ), _O_BINARY );
+    _setmode( _fileno( stderr ), _O_BINARY );
+#endif
+
+    FAIL_IF_ERROR( !(argc > 1), "Example usage: example 352x288 <input.yuv >output.h264\n" );
+    FAIL_IF_ERROR( 2 != sscanf( argv[1], "%dx%d", &width, &height ), "resolution not specified or incorrect\n" );
+
+    /* Get default params for preset/tuning */
+    if( x264_param_default_preset( &param, "medium", NULL ) < 0 )
+        goto fail;
+
+    /* Configure non-default params */
+    param.i_bitdepth = 8;
+    param.i_csp = X264_CSP_I420;
+    param.i_width  = width;
+    param.i_height = height;
+    param.b_vfr_input = 0;
+    param.b_repeat_headers = 1;
+    param.b_annexb = 1;
+
+    /* Apply profile restrictions. */
+    if( x264_param_apply_profile( &param, "high" ) < 0 )
+        goto fail;
+
+    if( x264_picture_alloc( &pic, param.i_csp, param.i_width, param.i_height ) < 0 )
+        goto fail;
+#undef fail
+#define fail fail2
+
+    h = x264_encoder_open( &param );
+    if( !h )
+        goto fail;
+#undef fail
+#define fail fail3
+
+    int luma_size = width * height;
+    int chroma_size = luma_size / 4;
+    /* Encode frames */
+    for( ;; i_frame++ )
+    {
+        /* Read input frame */
+        if( fread( pic.img.plane[0], 1, luma_size, stdin ) != (unsigned)luma_size )
+            break;
+        if( fread( pic.img.plane[1], 1, chroma_size, stdin ) != (unsigned)chroma_size )
+            break;
+        if( fread( pic.img.plane[2], 1, chroma_size, stdin ) != (unsigned)chroma_size )
+            break;
+
+        pic.i_pts = i_frame;
+        i_frame_size = x264_encoder_encode( h, &nal, &i_nal, &pic, &pic_out );
+        if( i_frame_size < 0 )
+            goto fail;
+        else if( i_frame_size )
+        {
+            if( !fwrite( nal->p_payload, i_frame_size, 1, stdout ) )
+                goto fail;
+        }
+    }
+    /* Flush delayed frames */
+    while( x264_encoder_delayed_frames( h ) )
+    {
+        i_frame_size = x264_encoder_encode( h, &nal, &i_nal, NULL, &pic_out );
+        if( i_frame_size < 0 )
+            goto fail;
+        else if( i_frame_size )
+        {
+            if( !fwrite( nal->p_payload, i_frame_size, 1, stdout ) )
+                goto fail;
+        }
+    }
+
+    x264_encoder_close( h );
+    x264_picture_clean( &pic );
+    return 0;
+
+#undef fail
+fail3:
+    x264_encoder_close( h );
+fail2:
+    x264_picture_clean( &pic );
+fail:
+    return -1;
+}