ffmpeg-2.1.1: move directory

git-svn-id: svn://kolibrios.org@6148 a494cfbc-eb01-0410-851d-a64ba20cac60
2016-02-05 22:14:10 +00:00
parent a4b787f4b8
commit ecf3e862ea
4011 changed files with 1868 additions and 4 deletions
--- a/contrib/sdk/sources/ffmpeg/ffmpeg-2.1/libavcodec/timecode.h
+++ b/contrib/sdk/sources/ffmpeg/ffmpeg-2.1/libavcodec/timecode.h
@@ -0,0 +1,106 @@
+/*
+ * Copyright (C) 2006 Smartjog S.A.S, Baptiste Coudurier <baptiste.coudurier@gmail.com>
+ * Copyright (C) 2011 Smartjog S.A.S, Clément Bœsch      <clement.boesch@smartjog.com>
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg 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.
+ *
+ * FFmpeg 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 FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+/**
+ * @file
+ * Timecode helpers header
+ * This *private* API is deprecated, please use the one available in libavutil instead.
+ */
+
+#ifndef AVCODEC_TIMECODE_H
+#define AVCODEC_TIMECODE_H
+
+#include "version.h"
+
+#if FF_API_OLD_TIMECODE
+
+#include <stdint.h>
+#include "avcodec.h"
+#include "libavutil/rational.h"
+
+#define TIMECODE_OPT(ctx, flags)                                         \
+    "timecode", "set timecode value following hh:mm:ss[:;.]ff format, "  \
+                "use ';' or '.' before frame number for drop frame",     \
+    offsetof(ctx, tc.str),                                               \
+    AV_OPT_TYPE_STRING, {.str=NULL}, CHAR_MIN, CHAR_MAX, flags
+
+struct ff_timecode {
+    char *str;       ///< string following the hh:mm:ss[:;.]ff format
+    int start;       ///< timecode frame start
+    int drop;        ///< drop flag (1 if drop, else 0)
+    AVRational rate; ///< Frame rate in rational form
+};
+
+/**
+ * @brief           Adjust frame number for NTSC drop frame time code
+ * @param frame_num Actual frame number to adjust
+ * @return          Adjusted frame number
+ * @warning         Adjustment is only valid in NTSC 29.97
+ */
+int avpriv_framenum_to_drop_timecode(int frame_num);
+
+/**
+ * @brief       Convert frame id (timecode) to SMPTE 12M binary representation
+ * @param frame Frame number
+ * @param fps   Frame rate
+ * @param drop  Drop flag
+ * @return      The actual binary representation
+ */
+uint32_t avpriv_framenum_to_smpte_timecode(unsigned frame, int fps, int drop);
+
+/**
+ * @brief       Load timecode string in buf
+ * @param buf   Destination buffer
+ * @param tc    Timecode struct pointer
+ * @param frame Frame id (timecode frame is computed with tc->start+frame)
+ * @return a pointer to the buf parameter
+ * @note  timecode representation can be a negative timecode and have
+ *        more than 24 hours.
+ * @note  buf must have enough space to store the timecode representation: 16
+ *        bytes is the minimum required size.
+ */
+char *avpriv_timecode_to_string(char *buf, const struct ff_timecode *tc, unsigned frame);
+
+/**
+ * Check if timecode rate is valid and consistent with the drop flag.
+ *
+ * @return 0 on success, negative value on failure
+ */
+int avpriv_check_timecode_rate(void *avcl, AVRational rate, int drop);
+
+/**
+ * Parse SMTPE 12M time representation (hh:mm:ss[:;.]ff). str and rate fields
+ * from tc struct must be set.
+ *
+ * @param avcl A pointer to an arbitrary struct of which the first field is a
+ *             pointer to an AVClass struct (used for av_log).
+ * @param tc   Timecode struct pointer
+ * @return     0 on success, negative value on failure
+ * @warning    Adjustement is only valid in NTSC 29.97
+ */
+int avpriv_init_smpte_timecode(void *avcl, struct ff_timecode *tc);
+
+attribute_deprecated int ff_framenum_to_drop_timecode(int frame_num);
+attribute_deprecated uint32_t ff_framenum_to_smtpe_timecode(unsigned frame, int fps, int drop);
+attribute_deprecated int ff_init_smtpe_timecode(void *avcl, struct ff_timecode *tc);
+#endif
+
+#endif /* AVCODEC_TIMECODE_H */