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-rw-r--r--gst-libs/ext/mplex/mpegconsts.h149
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diff --git a/gst-libs/ext/mplex/mpegconsts.h b/gst-libs/ext/mplex/mpegconsts.h
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--- a/gst-libs/ext/mplex/mpegconsts.h
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-
-/*
- * mpegconsts.c: Video format constants for MPEG and utilities for display
- * and conversion to format used for yuv4mpeg
- *
- * Copyright (C) 2001 Andrew Stevens <andrew.stevens@philips.com>
- *
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU General Public License
- * as published by the Free Software Foundation.
- *
- * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- */
-
-#ifndef __MPEGCONSTS_H__
-#define __MPEGCONSTS_H__
-
-
-#include "yuv4mpeg.h"
-
-
-typedef unsigned int mpeg_framerate_code_t;
-typedef unsigned int mpeg_aspect_code_t;
-
-extern const mpeg_framerate_code_t mpeg_num_framerates;
-extern const mpeg_aspect_code_t mpeg_num_aspect_ratios[2];
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/*
- * Convert MPEG frame-rate code to corresponding frame-rate
- * y4m_fps_UNKNOWN = { 0, 0 } = Undefined/resrerved code.
- */
-
-y4m_ratio_t
-mpeg_framerate( mpeg_framerate_code_t code );
-
-
-/*
- * Look-up MPEG frame rate code for a (exact) frame rate.
- * 0 = No MPEG code defined for frame-rate
- */
-
-mpeg_framerate_code_t
-mpeg_framerate_code( y4m_ratio_t framerate );
-
-
-/*
- * Convert floating-point framerate to an exact ratio.
- * Uses a standard MPEG rate, if it finds one within MPEG_FPS_TOLERANCE
- * (see mpegconsts.c), otherwise uses "fps:1000000" as the ratio.
- */
-
-y4m_ratio_t
-mpeg_conform_framerate( double fps );
-
-
-/*
- * Convert MPEG aspect ratio code to corresponding aspect ratio
- *
- * WARNING: The semantics of aspect ratio coding *changed* between
- * MPEG1 and MPEG2. In MPEG1 it is the *pixel* aspect ratio. In
- * MPEG2 it is the (far more sensible) aspect ratio of the eventual
- * display.
- *
- */
-
-y4m_ratio_t
-mpeg_aspect_ratio( int mpeg_version, mpeg_aspect_code_t code );
-
-/*
- * Look-up MPEG aspect ratio code for an aspect ratio - tolerance
- * is Y4M_ASPECT_MULT used by YUV4MPEG (see yuv4mpeg_intern.h)
- *
- * WARNING: The semantics of aspect ratio coding *changed* between
- * MPEG1 and MPEG2. In MPEG1 it is the *pixel* aspect ratio. In
- * MPEG2 it is the (far more sensible) aspect ratio of the eventual
- * display.
- *
- */
-
-mpeg_aspect_code_t
-mpeg_frame_aspect_code( int mpeg_version, y4m_ratio_t aspect_ratio );
-
-/*
- * Look-up MPEG explanatory definition string aspect ratio code for an
- * aspect ratio code
- *
- */
-
-const char *
-mpeg_aspect_code_definition( int mpeg_version, mpeg_aspect_code_t code );
-
-/*
- * Look-up MPEG explanatory definition string aspect ratio code for an
- * frame rate code
- *
- */
-
-const char *
-mpeg_framerate_code_definition( mpeg_framerate_code_t code );
-
-const char *
-mpeg_interlace_code_definition( int yuv4m_interlace_code );
-
-
-/*
- * Guess the correct MPEG aspect ratio code,
- * given the true sample aspect ratio and frame size of a video stream
- * (and the MPEG version, 1 or 2).
- *
- * Returns 0 if it has no good answer.
- *
- */
-mpeg_aspect_code_t
-mpeg_guess_mpeg_aspect_code(int mpeg_version, y4m_ratio_t sampleaspect,
- int frame_width, int frame_height);
-
-/*
- * Guess the true sample aspect ratio of a video stream,
- * given the MPEG aspect ratio code and the actual frame size
- * (and the MPEG version, 1 or 2).
- *
- * Returns y4m_sar_UNKNOWN if it has no good answer.
- *
- */
-y4m_ratio_t
-mpeg_guess_sample_aspect_ratio(int mpeg_version,
- mpeg_aspect_code_t code,
- int frame_width, int frame_height);
-
-
-#ifdef __cplusplus
-};
-#endif
-
-
-
-#endif /* __MPEGCONSTS_H__ */