From 9d3d925295112a0080bc1d70fad170db9e1af2a9 Mon Sep 17 00:00:00 2001
From: Solomon Peachy <pizza@shaftnet.org>
Date: Thu, 13 Oct 2022 11:04:12 -0400
Subject: Revert "RFC:  Get rid of mpegplayer plugin"

This reverts commit d25d24812e8120c0eb133a412287ac030eb185c9.

Change-Id: I1563223e343fb1e2eda72a45823b38350025ff93
---
 apps/plugins/mpegplayer/parser.h | 103 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 103 insertions(+)
 create mode 100644 apps/plugins/mpegplayer/parser.h

(limited to 'apps/plugins/mpegplayer/parser.h')

diff --git a/apps/plugins/mpegplayer/parser.h b/apps/plugins/mpegplayer/parser.h
new file mode 100644
index 0000000000..ba2181e98b
--- /dev/null
+++ b/apps/plugins/mpegplayer/parser.h
@@ -0,0 +1,103 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * AV parser inteface declarations
+ *
+ * Copyright (c) 2007 Michael Sevakis
+ *
+ * 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+#ifndef PARSER_H
+#define PARSER_H
+
+enum stream_formats
+{
+    STREAM_FMT_UNKNOWN = -1,
+    STREAM_FMT_MPEG_TS, /* MPEG transport stream */
+    STREAM_FMT_MPEG_PS, /* MPEG program stream */
+    STREAM_FMT_MPV,     /* MPEG Video only (1 or 2) */
+    STREAM_FMT_MPA,     /* MPEG Audio only */
+};
+
+/* Structure used by a thread that handles a single demuxed data stream and
+ * receives commands from the stream manager */
+enum stream_parse_states
+{
+                  /* Stream is... */
+    SSTATE_SYNC,  /* synchronizing by trying to find a start code */
+    SSTATE_PARSE, /* parsing the stream looking for packets */
+    SSTATE_END,   /* at the end of data */
+};
+
+enum stream_parse_mode
+{
+    STREAM_PM_STREAMING = 0, /* Next packet when streaming */
+    STREAM_PM_RANDOM_ACCESS, /* Random-access parsing */
+};
+
+enum stream_parser_flags
+{
+    STREAMF_CAN_SEEK = 0x1, /* Seeking possible for this stream */
+};
+
+struct stream_parser
+{
+    /* Common generic parser data */
+    enum stream_formats format; /* Stream format */
+    uint32_t start_pts;    /* The movie start time as represented by
+                              the first audio PTS tag in the
+                              stream converted to half minutes */
+    uint32_t end_pts;      /* The movie end time as represented by
+                              the maximum audio PTS tag in the
+                              stream converted to half minutes */
+    uint32_t duration;     /* Duration in PTS units */
+    unsigned flags;        /* Various attributes set at init */
+    struct vo_ext dims;    /* Movie dimensions in pixels */
+    uint32_t last_seek_time;
+    int (*next_data)(struct stream *str, enum stream_parse_mode type);
+    union /* A place for reusable no-cache parameters */
+    {
+        struct str_sync_data sd;
+    } parms;
+};
+
+extern struct stream_parser str_parser;
+
+/* MPEG parsing */
+uint8_t * mpeg_parser_scan_start_code(struct stream_scan *sk, uint32_t code);
+unsigned mpeg_parser_scan_pes(struct stream_scan *sk);
+uint32_t mpeg_parser_scan_scr(struct stream_scan *sk);
+uint32_t mpeg_parser_scan_pts(struct stream_scan *sk, unsigned id);
+off_t mpeg_stream_stream_seek_PTS(uint32_t time, int id);
+
+/* General parsing */
+bool parser_init(void);
+void str_initialize(struct stream *str, off_t pos);
+bool parser_prepare_image(uint32_t time);
+bool parser_get_video_size(struct vo_ext *sz);
+int parser_init_stream(void);
+void parser_close_stream(void);
+static inline bool parser_can_seek(void)
+    { return str_parser.flags & STREAMF_CAN_SEEK; }
+uint32_t parser_seek_time(uint32_t time);
+void parser_prepare_streaming(void);
+void str_end_of_stream(struct stream *str);
+
+static inline int parser_get_next_data(struct stream *str,
+                                       enum stream_parse_mode type)
+    { return str_parser.next_data(str, type); }
+
+#endif /* PARSER_H */
-- 
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