mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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video: move chroma functions to separate file
This commit is contained in:
Wim Taymans
parent
620e3aad07
commit
b5de0552a5
5 changed files with 142 additions and 82 deletions
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@ -3,7 +3,7 @@ ORC_SOURCE=video-orc
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include $(top_srcdir)/common/orc.mak
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glib_enum_headers = video.h video-format.h video-color.h video-info.h \
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colorbalance.h navigation.h
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colorbalance.h navigation.h video-chroma.h
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glib_enum_define = GST_VIDEO
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glib_gen_prefix = gst_video
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glib_gen_basename = video
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@ -23,6 +23,7 @@ libgstvideo_@GST_API_VERSION@_la_SOURCES = \
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video.c \
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video-event.c \
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video-format.c \
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video-chroma.c \
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video-color.c \
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video-info.c \
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video-frame.c \
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@ -49,6 +50,7 @@ libgstvideo_@GST_API_VERSION@include_HEADERS = \
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video.h \
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video-event.h \
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video-format.h \
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video-chroma.h \
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video-color.h \
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video-info.h \
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video-frame.h \
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78
gst-libs/gst/video/video-chroma.c
Normal file
78
gst-libs/gst/video/video-chroma.c
Normal file
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@ -0,0 +1,78 @@
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/* GStreamer
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* Copyright (C) 2013 Wim Taymans <wim.taymans@gmail.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <string.h>
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#include <stdio.h>
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#include "video-format.h"
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typedef struct
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{
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const gchar *name;
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GstVideoChromaSite site;
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} ChromaSiteInfo;
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static const ChromaSiteInfo chromasite[] = {
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{"jpeg", GST_VIDEO_CHROMA_SITE_JPEG},
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{"mpeg2", GST_VIDEO_CHROMA_SITE_MPEG2},
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{"dv", GST_VIDEO_CHROMA_SITE_DV}
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};
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/**
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* gst_video_chroma_from_string:
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* @s: a chromasite string
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*
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* Convert @s to a #GstVideoChromaSite
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*
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* Returns: a #GstVideoChromaSite or %GST_VIDEO_CHROMA_SITE_UNKNOWN when @s does
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* not contain a valid chroma description.
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*/
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GstVideoChromaSite
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gst_video_chroma_from_string (const gchar * s)
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{
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gint i;
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for (i = 0; i < G_N_ELEMENTS (chromasite); i++) {
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if (g_str_equal (chromasite[i].name, s))
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return chromasite[i].site;
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}
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return GST_VIDEO_CHROMA_SITE_UNKNOWN;
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}
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/**
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* gst_video_chroma_to_string:
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* @site: a #GstVideoChromaSite
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*
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* Converts @site to its string representation.
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*
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* Returns: a string describing @site.
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*/
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const gchar *
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gst_video_chroma_to_string (GstVideoChromaSite site)
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{
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gint i;
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for (i = 0; i < G_N_ELEMENTS (chromasite); i++) {
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if (chromasite[i].site == site)
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return chromasite[i].name;
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}
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return NULL;
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}
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59
gst-libs/gst/video/video-chroma.h
Normal file
59
gst-libs/gst/video/video-chroma.h
Normal file
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@ -0,0 +1,59 @@
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/* GStreamer
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* Copyright (C) <2013> Wim Taymans <wim.taymans@gmail.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef __GST_VIDEO_CHROMA_H__
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#define __GST_VIDEO_CHROMA_H__
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#include <gst/gst.h>
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G_BEGIN_DECLS
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/**
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* GstVideoChromaSite:
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* @GST_VIDEO_CHROMA_SITE_UNKNOWN: unknown cositing
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* @GST_VIDEO_CHROMA_SITE_NONE: no cositing
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* @GST_VIDEO_CHROMA_SITE_H_COSITED: chroma is horizontally cosited
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* @GST_VIDEO_CHROMA_SITE_V_COSITED: chroma is vertically cosited
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* @GST_VIDEO_CHROMA_SITE_ALT_LINE: choma samples are sited on alternate lines
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* @GST_VIDEO_CHROMA_SITE_COSITED: chroma samples cosited with luma samples
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* @GST_VIDEO_CHROMA_SITE_JPEG: jpeg style cositing, also for mpeg1 and mjpeg
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* @GST_VIDEO_CHROMA_SITE_MPEG2: mpeg2 style cositing
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* @GST_VIDEO_CHROMA_SITE_DV: DV style cositing
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*
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* Various Chroma sitings.
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*/
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typedef enum {
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GST_VIDEO_CHROMA_SITE_UNKNOWN = 0,
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GST_VIDEO_CHROMA_SITE_NONE = (1 << 0),
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GST_VIDEO_CHROMA_SITE_H_COSITED = (1 << 1),
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GST_VIDEO_CHROMA_SITE_V_COSITED = (1 << 2),
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GST_VIDEO_CHROMA_SITE_ALT_LINE = (1 << 3),
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/* some common chroma cositing */
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GST_VIDEO_CHROMA_SITE_COSITED = (GST_VIDEO_CHROMA_SITE_H_COSITED | GST_VIDEO_CHROMA_SITE_V_COSITED),
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GST_VIDEO_CHROMA_SITE_JPEG = (GST_VIDEO_CHROMA_SITE_NONE),
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GST_VIDEO_CHROMA_SITE_MPEG2 = (GST_VIDEO_CHROMA_SITE_H_COSITED),
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GST_VIDEO_CHROMA_SITE_DV = (GST_VIDEO_CHROMA_SITE_COSITED | GST_VIDEO_CHROMA_SITE_ALT_LINE),
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} GstVideoChromaSite;
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GstVideoChromaSite gst_video_chroma_from_string (const gchar * s);
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const gchar * gst_video_chroma_to_string (GstVideoChromaSite site);
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G_END_DECLS
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#endif /* __GST_VIDEO_CHROMA_H__ */
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@ -2371,54 +2371,3 @@ gst_video_format_get_palette (GstVideoFormat format, gsize * size)
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return NULL;
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}
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}
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typedef struct
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{
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const gchar *name;
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GstVideoChromaSite site;
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} ChromaSiteInfo;
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static const ChromaSiteInfo chromasite[] = {
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{"jpeg", GST_VIDEO_CHROMA_SITE_JPEG},
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{"mpeg2", GST_VIDEO_CHROMA_SITE_MPEG2},
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{"dv", GST_VIDEO_CHROMA_SITE_DV}
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};
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/**
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* gst_video_chroma_from_string:
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* @s: a chromasite string
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*
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* Convert @s to a #GstVideoChromaSite
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*
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* Returns: a #GstVideoChromaSite or %GST_VIDEO_CHROMA_SITE_UNKNOWN when @s does
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* not contain a valid chroma description.
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*/
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GstVideoChromaSite
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gst_video_chroma_from_string (const gchar * s)
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{
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gint i;
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for (i = 0; i < G_N_ELEMENTS (chromasite); i++) {
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if (g_str_equal (chromasite[i].name, s))
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return chromasite[i].site;
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}
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return GST_VIDEO_CHROMA_SITE_UNKNOWN;
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}
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/**
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* gst_video_chroma_to_string:
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* @site: a #GstVideoChromaSite
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*
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* Converts @site to its string representation.
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*
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* Returns: a string describing @site.
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*/
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const gchar *
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gst_video_chroma_to_string (GstVideoChromaSite site)
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{
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gint i;
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for (i = 0; i < G_N_ELEMENTS (chromasite); i++) {
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if (chromasite[i].site == site)
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return chromasite[i].name;
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}
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return NULL;
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}
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@ -143,36 +143,6 @@ typedef enum {
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typedef struct _GstVideoFormatInfo GstVideoFormatInfo;
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/**
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* GstVideoChromaSite:
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* @GST_VIDEO_CHROMA_SITE_UNKNOWN: unknown cositing
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* @GST_VIDEO_CHROMA_SITE_NONE: no cositing
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* @GST_VIDEO_CHROMA_SITE_H_COSITED: chroma is horizontally cosited
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* @GST_VIDEO_CHROMA_SITE_V_COSITED: chroma is vertically cosited
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* @GST_VIDEO_CHROMA_SITE_ALT_LINE: choma samples are sited on alternate lines
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* @GST_VIDEO_CHROMA_SITE_COSITED: chroma samples cosited with luma samples
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* @GST_VIDEO_CHROMA_SITE_JPEG: jpeg style cositing, also for mpeg1 and mjpeg
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* @GST_VIDEO_CHROMA_SITE_MPEG2: mpeg2 style cositing
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* @GST_VIDEO_CHROMA_SITE_DV: DV style cositing
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*
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* Various Chroma sitings.
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*/
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typedef enum {
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GST_VIDEO_CHROMA_SITE_UNKNOWN = 0,
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GST_VIDEO_CHROMA_SITE_NONE = (1 << 0),
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GST_VIDEO_CHROMA_SITE_H_COSITED = (1 << 1),
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GST_VIDEO_CHROMA_SITE_V_COSITED = (1 << 2),
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GST_VIDEO_CHROMA_SITE_ALT_LINE = (1 << 3),
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/* some common chroma cositing */
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GST_VIDEO_CHROMA_SITE_COSITED = (GST_VIDEO_CHROMA_SITE_H_COSITED | GST_VIDEO_CHROMA_SITE_V_COSITED),
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GST_VIDEO_CHROMA_SITE_JPEG = (GST_VIDEO_CHROMA_SITE_NONE),
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GST_VIDEO_CHROMA_SITE_MPEG2 = (GST_VIDEO_CHROMA_SITE_H_COSITED),
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GST_VIDEO_CHROMA_SITE_DV = (GST_VIDEO_CHROMA_SITE_COSITED | GST_VIDEO_CHROMA_SITE_ALT_LINE),
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} GstVideoChromaSite;
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GstVideoChromaSite gst_video_chroma_from_string (const gchar * s);
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const gchar * gst_video_chroma_to_string (GstVideoChromaSite site);
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/**
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* GstVideoFormatFlags:
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* @GST_VIDEO_FORMAT_FLAG_YUV: The video format is YUV, components are numbered
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@ -223,6 +193,8 @@ typedef enum
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#define GST_VIDEO_COMP_INDEX 0
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#define GST_VIDEO_COMP_PALETTE 1
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#include <gst/video/video-chroma.h>
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/**
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* GstVideoPackFlags:
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* @GST_VIDEO_PACK_FLAG_NONE: No flag
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