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Diffstat (limited to 'gst-libs/ext/mplex/mpegconsts.h')
-rw-r--r-- | gst-libs/ext/mplex/mpegconsts.h | 149 |
1 files changed, 0 insertions, 149 deletions
diff --git a/gst-libs/ext/mplex/mpegconsts.h b/gst-libs/ext/mplex/mpegconsts.h deleted file mode 100644 index 461fd2db..00000000 --- a/gst-libs/ext/mplex/mpegconsts.h +++ /dev/null @@ -1,149 +0,0 @@ - -/* - * 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__ */ |