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/filters/video/source.c
+++ b/filters/video/source.c
@@ -0,0 +1,84 @@
+/*****************************************************************************
+ * source.c: source video filter
+ *****************************************************************************
+ * Copyright (C) 2010-2025 x264 project
+ *
+ * Authors: Steven Walters <kemuri9@gmail.com>
+ *
+ * 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.
+ *****************************************************************************/
+
+#include "video.h"
+
+/* This filter converts the demuxer API into the filtering API for video frames.
+ * Backseeking is prohibited here as not all demuxers are capable of doing so. */
+
+typedef struct
+{
+    cli_pic_t pic;
+    hnd_t hin;
+    int cur_frame;
+} source_hnd_t;
+
+cli_vid_filter_t source_filter;
+
+static int init( hnd_t *handle, cli_vid_filter_t *filter, video_info_t *info, x264_param_t *param, char *opt_string )
+{
+    source_hnd_t *h = calloc( 1, sizeof(source_hnd_t) );
+    if( !h )
+        return -1;
+    h->cur_frame = -1;
+
+    if( cli_input.picture_alloc( &h->pic, *handle, info->csp, info->width, info->height ) )
+        return -1;
+
+    h->hin = *handle;
+    *handle = h;
+    *filter = source_filter;
+
+    return 0;
+}
+
+static int get_frame( hnd_t handle, cli_pic_t *output, int frame )
+{
+    source_hnd_t *h = handle;
+    /* do not allow requesting of frames from before the current position */
+    if( frame <= h->cur_frame || cli_input.read_frame( &h->pic, h->hin, frame ) )
+        return -1;
+    h->cur_frame = frame;
+    *output = h->pic;
+    return 0;
+}
+
+static int release_frame( hnd_t handle, cli_pic_t *pic, int frame )
+{
+    source_hnd_t *h = handle;
+    if( cli_input.release_frame && cli_input.release_frame( &h->pic, h->hin ) )
+        return -1;
+    return 0;
+}
+
+static void free_filter( hnd_t handle )
+{
+    source_hnd_t *h = handle;
+    cli_input.picture_clean( &h->pic, h->hin );
+    cli_input.close_file( h->hin );
+    free( h );
+}
+
+cli_vid_filter_t source_filter = { "source", NULL, init, get_frame, release_frame, free_filter, NULL };