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a05006944a
We need different export decorators for the different libs. For now no actual change though, just rename before the release, and add prelude headers to define the new decorator to GST_EXPORT.
563 lines
19 KiB
C
563 lines
19 KiB
C
/* Gstreamer
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* Copyright (C) <2011> Intel Corporation
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* Copyright (C) <2011> Collabora Ltd.
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* Copyright (C) <2011> Thibault Saunier <thibault.saunier@collabora.com>
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*
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* From bad/sys/vdpau/mpeg/mpegutil.c:
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* Copyright (C) <2007> Jan Schmidt <thaytan@mad.scientist.com>
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* Copyright (C) <2009> Carl-Anton Ingmarsson <ca.ingmarsson@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_MPEG_VIDEO_UTILS_H__
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#define __GST_MPEG_VIDEO_UTILS_H__
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#ifndef GST_USE_UNSTABLE_API
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#warning "The Mpeg video parsing library is unstable API and may change in future."
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#warning "You can define GST_USE_UNSTABLE_API to avoid this warning."
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#endif
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#include <gst/gst.h>
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#include <gst/codecparsers/codecparsers-prelude.h>
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G_BEGIN_DECLS
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/**
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* GstMpegVideoPacketTypeCode:
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* @GST_MPEG_VIDEO_PACKET_PICTURE: Picture packet starting code
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* @GST_MPEG_VIDEO_PACKET_SLICE_MIN: Slice min packet starting code
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* @GST_MPEG_VIDEO_PACKET_SLICE_MAX: Slice max packet starting code
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* @GST_MPEG_VIDEO_PACKET_USER_DATA: User data packet starting code
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* @GST_MPEG_VIDEO_PACKET_SEQUENCE : Sequence packet starting code
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* @GST_MPEG_VIDEO_PACKET_EXTENSION: Extension packet starting code
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* @GST_MPEG_VIDEO_PACKET_SEQUENCE_END: Sequence end packet code
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* @GST_MPEG_VIDEO_PACKET_GOP: Group of Picture packet starting code
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* @GST_MPEG_VIDEO_PACKET_NONE: None packet code
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*
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* Indicates the type of MPEG packet
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*/
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typedef enum {
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GST_MPEG_VIDEO_PACKET_PICTURE = 0x00,
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GST_MPEG_VIDEO_PACKET_SLICE_MIN = 0x01,
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GST_MPEG_VIDEO_PACKET_SLICE_MAX = 0xaf,
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GST_MPEG_VIDEO_PACKET_USER_DATA = 0xb2,
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GST_MPEG_VIDEO_PACKET_SEQUENCE = 0xb3,
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GST_MPEG_VIDEO_PACKET_EXTENSION = 0xb5,
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GST_MPEG_VIDEO_PACKET_SEQUENCE_END = 0xb7,
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GST_MPEG_VIDEO_PACKET_GOP = 0xb8,
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GST_MPEG_VIDEO_PACKET_NONE = 0xff
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} GstMpegVideoPacketTypeCode;
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/**
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* GST_MPEG_VIDEO_PACKET_IS_SLICE:
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* @typecode: The MPEG video packet type code
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*
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* Checks whether a packet type code is a slice.
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*
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* Returns: %TRUE if the packet type code corresponds to a slice,
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* else %FALSE.
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*/
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#define GST_MPEG_VIDEO_PACKET_IS_SLICE(typecode) ((typecode) >= GST_MPEG_VIDEO_PACKET_SLICE_MIN && \
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(typecode) <= GST_MPEG_VIDEO_PACKET_SLICE_MAX)
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/**
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* GstMpegVideoPacketExtensionCode:
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* @GST_MPEG_VIDEO_PACKET_EXT_SEQUENCE: Sequence extension code
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* @GST_MPEG_VIDEO_PACKET_EXT_SEQUENCE_DISPLAY: Sequence Display extension code
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* @GST_MPEG_VIDEO_PACKET_EXT_QUANT_MATRIX: Quantization Matrix extension code
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* @GST_MPEG_VIDEO_PACKET_EXT_SEQUENCE_SCALABLE: Sequence Scalable extension code
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* @GST_MPEG_VIDEO_PACKET_EXT_PICTURE: Picture coding extension
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*
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* Indicates what type of packets are in this block, some are mutually
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* exclusive though - ie, sequence packs are accumulated separately. GOP &
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* Picture may occur together or separately.
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*/
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typedef enum {
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GST_MPEG_VIDEO_PACKET_EXT_SEQUENCE = 0x01,
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GST_MPEG_VIDEO_PACKET_EXT_SEQUENCE_DISPLAY = 0x02,
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GST_MPEG_VIDEO_PACKET_EXT_QUANT_MATRIX = 0x03,
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GST_MPEG_VIDEO_PACKET_EXT_SEQUENCE_SCALABLE = 0x05,
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GST_MPEG_VIDEO_PACKET_EXT_PICTURE = 0x08
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} GstMpegVideoPacketExtensionCode;
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/**
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* GstMpegVideoSequenceScalableMode:
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* @GST_MPEG_VIDEO_SEQ_SCALABLE_MODE_DATA_PARTITIONING: Data partitioning
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* @GST_MPEG_VIDEO_SEQ_SCALABLE_MODE_SPATIAL: Spatial Scalability
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* @GST_MPEG_VIDEO_SEQ_SCALABLE_MODE_SNR: SNR Scalability
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* @GST_MPEG_VIDEO_SEQ_SCALABLE_MODE_TEMPORAL: Temporal Scalability
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*/
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typedef enum {
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GST_MPEG_VIDEO_SEQ_SCALABLE_MODE_DATA_PARTITIONING = 0x00,
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GST_MPEG_VIDEO_SEQ_SCALABLE_MODE_SPATIAL = 0x01,
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GST_MPEG_VIDEO_SEQ_SCALABLE_MODE_SNR = 0x02,
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GST_MPEG_VIDEO_SEQ_SCALABLE_MODE_TEMPORAL = 0x03
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} GstMpegVideoSequenceScalableMode;
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/**
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* GstMpegVideoLevel:
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* @GST_MPEG_VIDEO_LEVEL_LOW: Low level (LL)
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* @GST_MPEG_VIDEO_LEVEL_MAIN: Main level (ML)
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* @GST_MPEG_VIDEO_LEVEL_HIGH_1440: High 1440 level (H-14)
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* @GST_MPEG_VIDEO_LEVEL_HIGH: High level (HL)
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*
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* Mpeg-2 Levels.
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**/
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typedef enum {
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GST_MPEG_VIDEO_LEVEL_HIGH = 0x04,
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GST_MPEG_VIDEO_LEVEL_HIGH_1440 = 0x06,
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GST_MPEG_VIDEO_LEVEL_MAIN = 0x08,
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GST_MPEG_VIDEO_LEVEL_LOW = 0x0a
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} GstMpegVideoLevel;
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/**
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* GstMpegVideoProfile:
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* @GST_MPEG_VIDEO_PROFILE_422: 4:2:2 profile (422)
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* @GST_MPEG_VIDEO_PROFILE_HIGH: High profile (HP)
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* @GST_MPEG_VIDEO_PROFILE_SPATIALLY_SCALABLE: Spatially Scalable profile (Spatial)
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* @GST_MPEG_VIDEO_PROFILE_SNR_SCALABLE: SNR Scalable profile (SNR)
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* @GST_MPEG_VIDEO_PROFILE_MAIN: Main profile (MP)
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* @GST_MPEG_VIDEO_PROFILE_SIMPLE: Simple profile (SP)
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*
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* Mpeg-2 Profiles.
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**/
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typedef enum {
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GST_MPEG_VIDEO_PROFILE_422 = 0x00,
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GST_MPEG_VIDEO_PROFILE_HIGH = 0x01,
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GST_MPEG_VIDEO_PROFILE_SPATIALLY_SCALABLE = 0x02,
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GST_MPEG_VIDEO_PROFILE_SNR_SCALABLE = 0x03,
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GST_MPEG_VIDEO_PROFILE_MAIN = 0x04,
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GST_MPEG_VIDEO_PROFILE_SIMPLE = 0x05
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} GstMpegVideoProfile;
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/**
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* GstMpegVideoChromaFormat:
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* @GST_MPEG_VIDEO_CHROMA_RES: Invalid (reserved for future use)
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* @GST_MPEG_VIDEO_CHROMA_420: 4:2:0 subsampling
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* @GST_MPEG_VIDEO_CHROMA_422: 4:2:2 subsampling
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* @GST_MPEG_VIDEO_CHROMA_444: 4:4:4 (non-subsampled)
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*
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* Chroma subsampling type.
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*/
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typedef enum {
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GST_MPEG_VIDEO_CHROMA_RES = 0x00,
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GST_MPEG_VIDEO_CHROMA_420 = 0x01,
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GST_MPEG_VIDEO_CHROMA_422 = 0x02,
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GST_MPEG_VIDEO_CHROMA_444 = 0x03,
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} GstMpegVideoChromaFormat;
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/**
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* GstMpegVideoPictureType:
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* @GST_MPEG_VIDEO_PICTURE_TYPE_I: Intra-coded (I) frame
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* @GST_MPEG_VIDEO_PICTURE_TYPE_P: Predictive-codec (P) frame
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* @GST_MPEG_VIDEO_PICTURE_TYPE_B: Bidirectionally predictive-coded (B) frame
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* @GST_MPEG_VIDEO_PICTURE_TYPE_D: D frame
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*
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* Picture type.
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*/
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typedef enum {
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GST_MPEG_VIDEO_PICTURE_TYPE_I = 0x01,
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GST_MPEG_VIDEO_PICTURE_TYPE_P = 0x02,
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GST_MPEG_VIDEO_PICTURE_TYPE_B = 0x03,
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GST_MPEG_VIDEO_PICTURE_TYPE_D = 0x04
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} GstMpegVideoPictureType;
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/**
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* GstMpegVideoPictureStructure:
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* @GST_MPEG_VIDEO_PICTURE_STRUCTURE_TOP_FIELD: Top field
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* @GST_MPEG_VIDEO_PICTURE_STRUCTURE_BOTTOM_FIELD: Bottom field
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* @GST_MPEG_VIDEO_PICTURE_STRUCTURE_FRAME: Frame picture
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*
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* Picture structure type.
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*/
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typedef enum {
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GST_MPEG_VIDEO_PICTURE_STRUCTURE_TOP_FIELD = 0x01,
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GST_MPEG_VIDEO_PICTURE_STRUCTURE_BOTTOM_FIELD = 0x02,
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GST_MPEG_VIDEO_PICTURE_STRUCTURE_FRAME = 0x03
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} GstMpegVideoPictureStructure;
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typedef struct _GstMpegVideoSequenceHdr GstMpegVideoSequenceHdr;
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typedef struct _GstMpegVideoSequenceExt GstMpegVideoSequenceExt;
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typedef struct _GstMpegVideoSequenceDisplayExt GstMpegVideoSequenceDisplayExt;
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typedef struct _GstMpegVideoSequenceScalableExt GstMpegVideoSequenceScalableExt;
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typedef struct _GstMpegVideoPictureHdr GstMpegVideoPictureHdr;
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typedef struct _GstMpegVideoGop GstMpegVideoGop;
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typedef struct _GstMpegVideoPictureExt GstMpegVideoPictureExt;
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typedef struct _GstMpegVideoQuantMatrixExt GstMpegVideoQuantMatrixExt;
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typedef struct _GstMpegVideoSliceHdr GstMpegVideoSliceHdr;
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typedef struct _GstMpegVideoPacket GstMpegVideoPacket;
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/**
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* GstMpegVideoSequenceHdr:
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* @width: Width of each frame
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* @height: Height of each frame
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* @par_w: Calculated Pixel Aspect Ratio width
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* @par_h: Calculated Pixel Aspect Ratio height
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* @fps_n: Calculated Framrate nominator
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* @fps_d: Calculated Framerate denominator
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* @bitrate_value: Value of the bitrate as is in the stream (400bps unit)
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* @bitrate: the real bitrate of the Mpeg video stream in bits per second, 0 if VBR stream
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* @constrained_parameters_flag: %TRUE if this stream uses contrained parameters.
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* @load_intra_quantiser_matrix: %TRUE indicates the presence of intra_quantiser_matrix
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* @intra_quantizer_matrix: intra-quantization table, in zigzag scan order
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* @load_non_intra_quantiser_matrix: %TRUE indicates the presence of non_intra_quantiser_matrix
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* @non_intra_quantizer_matrix: non-intra quantization table, in zigzag scan order
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*
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* The Mpeg2 Video Sequence Header structure.
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*/
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struct _GstMpegVideoSequenceHdr
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{
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guint16 width, height;
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guint8 aspect_ratio_info;
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guint8 frame_rate_code;
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guint32 bitrate_value;
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guint16 vbv_buffer_size_value;
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guint8 constrained_parameters_flag;
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guint8 load_intra_quantiser_matrix;
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guint8 intra_quantizer_matrix[64];
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guint8 load_non_intra_quantiser_matrix;
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guint8 non_intra_quantizer_matrix[64];
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/* Calculated values */
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guint par_w, par_h;
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guint fps_n, fps_d;
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guint bitrate;
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};
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/**
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* GstMpegVideoSequenceExt:
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* @profile: mpeg2 decoder profile
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* @level: mpeg2 decoder level
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* @progressive: %TRUE if the frames are progressive %FALSE otherwise
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* @chroma_format: indicates the chrominance format
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* @horiz_size_ext: Horizontal size
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* @vert_size_ext: Vertical size
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* @bitrate_ext: The bitrate
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* @vbv_buffer_size_extension: VBV vuffer size
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* @low_delay: %TRUE if the sequence doesn't contain any B-pictures, %FALSE
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* otherwise
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* @fps_n_ext: Framerate nominator code
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* @fps_d_ext: Framerate denominator code
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* @profile_level_escape_bit: Escape bit. If set, the meaning of the
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* @profile and @level fields is different.
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*
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* The Mpeg2 Video Sequence Extension structure.
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**/
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struct _GstMpegVideoSequenceExt
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{
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/* mpeg2 decoder profile */
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guint8 profile;
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/* mpeg2 decoder level */
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guint8 level;
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guint8 progressive;
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guint8 chroma_format;
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guint8 horiz_size_ext, vert_size_ext;
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guint16 bitrate_ext;
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guint8 vbv_buffer_size_extension;
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guint8 low_delay;
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guint8 fps_n_ext, fps_d_ext;
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/* Additional information */
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guint8 profile_level_escape_bit;
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};
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/**
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* GstMpegVideoSequenceDisplayExt:
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* @profile: mpeg2 decoder profil
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*/
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struct _GstMpegVideoSequenceDisplayExt
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{
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guint8 video_format;
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guint8 colour_description_flag;
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/* if colour_description_flag: */
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guint8 colour_primaries;
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guint8 transfer_characteristics;
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guint8 matrix_coefficients;
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guint16 display_horizontal_size;
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guint16 display_vertical_size;
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};
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/**
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* GstMpegVideoSequenceScalableExt:
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* @scalable_mode:
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* @layer_id:
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* @lower_layer_prediction_horizontal_size:
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* @lower_layer_prediction_vertical_size:
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* @horizontal_subsampling_factor_m:
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* @horizontal_subsampling_factor_n:
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* @vertical_subsampling_factor_m:
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* @vertical_subsampling_factor_n:
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* @picture_mux_enable:
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* @mux_to_progressive_sequence:
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* @picture_mux_order:
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* @picture_mux_factor:
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*
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* The Sequence Scalable Extension structure.
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*
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* Since: 1.2
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*/
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struct _GstMpegVideoSequenceScalableExt
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{
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guint8 scalable_mode;
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guint8 layer_id;
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/* if spatial scalability */
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guint16 lower_layer_prediction_horizontal_size;
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guint16 lower_layer_prediction_vertical_size;
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guint8 horizontal_subsampling_factor_m;
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guint8 horizontal_subsampling_factor_n;
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guint8 vertical_subsampling_factor_m;
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guint8 vertical_subsampling_factor_n;
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/* if temporal scalability */
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guint8 picture_mux_enable;
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guint8 mux_to_progressive_sequence;
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guint8 picture_mux_order;
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guint8 picture_mux_factor;
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};
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/**
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* GstMpegVideoQuantMatrixExt:
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* @load_intra_quantiser_matrix:
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* @intra_quantiser_matrix:
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* @load_non_intra_quantiser_matrix:
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* @non_intra_quantiser_matrix:
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* @load_chroma_intra_quantiser_matrix:
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* @chroma_intra_quantiser_matrix:
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* @load_chroma_non_intra_quantiser_matrix:
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* @chroma_non_intra_quantiser_matrix:
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*
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* The Quant Matrix Extension structure that exposes quantization
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* matrices in zigzag scan order. i.e. the original encoded scan
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* order.
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*/
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struct _GstMpegVideoQuantMatrixExt
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{
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guint8 load_intra_quantiser_matrix;
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guint8 intra_quantiser_matrix[64];
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guint8 load_non_intra_quantiser_matrix;
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guint8 non_intra_quantiser_matrix[64];
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guint8 load_chroma_intra_quantiser_matrix;
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guint8 chroma_intra_quantiser_matrix[64];
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guint8 load_chroma_non_intra_quantiser_matrix;
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guint8 chroma_non_intra_quantiser_matrix[64];
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};
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/**
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* GstMpegVideoPictureHdr:
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* @tsn: Temporal Sequence Number
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* @pic_type: Type of the frame
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* @full_pel_forward_vector: the full pel forward flag of
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* the frame: 0 or 1.
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* @full_pel_backward_vector: the full pel backward flag
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* of the frame: 0 or 1.
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* @f_code: F code
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*
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* The Mpeg2 Video Picture Header structure.
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*/
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struct _GstMpegVideoPictureHdr
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{
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guint16 tsn;
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guint8 pic_type;
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guint16 vbv_delay;
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guint8 full_pel_forward_vector, full_pel_backward_vector;
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guint8 f_code[2][2];
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};
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/**
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* GstMpegVideoPictureExt:
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* @intra_dc_precision: Intra DC precision
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* @picture_structure: Structure of the picture
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* @top_field_first: Top field first
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* @frame_pred_frame_dct: Frame
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* @concealment_motion_vectors: Concealment Motion Vectors
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* @q_scale_type: Q Scale Type
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* @intra_vlc_format: Intra Vlc Format
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* @alternate_scan: Alternate Scan
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* @repeat_first_field: Repeat First Field
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* @chroma_420_type: Chroma 420 Type
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* @progressive_frame: %TRUE if the frame is progressive %FALSE otherwise
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*
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* The Mpeg2 Video Picture Extension structure.
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*/
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struct _GstMpegVideoPictureExt
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{
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guint8 f_code[2][2];
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guint8 intra_dc_precision;
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guint8 picture_structure;
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guint8 top_field_first;
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guint8 frame_pred_frame_dct;
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guint8 concealment_motion_vectors;
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guint8 q_scale_type;
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guint8 intra_vlc_format;
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guint8 alternate_scan;
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guint8 repeat_first_field;
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guint8 chroma_420_type;
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guint8 progressive_frame;
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guint8 composite_display;
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guint8 v_axis;
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guint8 field_sequence;
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guint8 sub_carrier;
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guint8 burst_amplitude;
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guint8 sub_carrier_phase;
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};
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/**
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* GstMpegVideoGop:
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* @drop_frame_flag: Drop Frame Flag
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* @hour: Hour (0-23)
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|
* @minute: Minute (O-59)
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|
* @second: Second (0-59)
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|
* @frame: Frame (0-59)
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|
* @closed_gop: Closed Gop
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|
* @broken_link: Broken link
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|
*
|
|
* The Mpeg Video Group of Picture structure.
|
|
*/
|
|
struct _GstMpegVideoGop
|
|
{
|
|
guint8 drop_frame_flag;
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|
|
|
guint8 hour, minute, second, frame;
|
|
|
|
guint8 closed_gop;
|
|
guint8 broken_link;
|
|
};
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|
|
|
/**
|
|
* GstMpegVideoSliceHdr:
|
|
* @vertical_position: slice vertical position
|
|
* @vertical_position_extension: Extension to slice_vertical_position
|
|
* @priority_breakpoint: Point where the bitstream shall be partitioned
|
|
* @quantiser_scale_code: Quantiser value (range: 1-31)
|
|
* @slice_ext_flag: Slice Extension flag
|
|
* @intra_slice: Equal to one if all the macroblocks are intra macro blocks.
|
|
* @slice_picture_id_enable: controls the semantics of slice_picture_id
|
|
* @slice_picture_id: Intended to aid recovery on severe bursts of
|
|
* errors for certain types of applications
|
|
*
|
|
* The Mpeg2 Video Slice Header structure.
|
|
*
|
|
* Since: 1.2
|
|
*/
|
|
struct _GstMpegVideoSliceHdr
|
|
{
|
|
guint8 vertical_position;
|
|
guint8 vertical_position_ext;
|
|
|
|
guint8 priority_breakpoint;
|
|
guint8 quantiser_scale_code;
|
|
guint8 slice_ext_flag;
|
|
guint8 intra_slice;
|
|
guint8 slice_picture_id_enable;
|
|
guint8 slice_picture_id;
|
|
|
|
/* Calculated values */
|
|
guint header_size; /* slice_header size in bits */
|
|
gint mb_row; /* macroblock row */
|
|
gint mb_column; /* macroblock column */
|
|
};
|
|
|
|
/**
|
|
* GstMpegVideoPacket:
|
|
* @type: the type of the packet that start at @offset, as a #GstMpegVideoPacketTypeCode
|
|
* @data: the data containing the packet starting at @offset
|
|
* @offset: the offset of the packet start in bytes from @data. This is the
|
|
* start of the packet itself without the sync code
|
|
* @size: The size in bytes of the packet or -1 if the end wasn't found. This
|
|
* is the size of the packet itself without the sync code
|
|
*
|
|
* A structure that contains the type of a packet, its offset and its size
|
|
*/
|
|
struct _GstMpegVideoPacket
|
|
{
|
|
const guint8 *data;
|
|
guint8 type;
|
|
guint offset;
|
|
gint size;
|
|
};
|
|
|
|
GST_CODEC_PARSERS_API
|
|
gboolean gst_mpeg_video_parse (GstMpegVideoPacket * packet,
|
|
const guint8 * data, gsize size, guint offset);
|
|
|
|
GST_CODEC_PARSERS_API
|
|
gboolean gst_mpeg_video_packet_parse_sequence_header (const GstMpegVideoPacket * packet,
|
|
GstMpegVideoSequenceHdr * seqhdr);
|
|
|
|
GST_CODEC_PARSERS_API
|
|
gboolean gst_mpeg_video_packet_parse_sequence_extension (const GstMpegVideoPacket * packet,
|
|
GstMpegVideoSequenceExt * seqext);
|
|
|
|
GST_CODEC_PARSERS_API
|
|
gboolean gst_mpeg_video_packet_parse_sequence_display_extension (const GstMpegVideoPacket * packet,
|
|
GstMpegVideoSequenceDisplayExt * seqdisplayext);
|
|
|
|
GST_CODEC_PARSERS_API
|
|
gboolean gst_mpeg_video_packet_parse_sequence_scalable_extension (const GstMpegVideoPacket * packet,
|
|
GstMpegVideoSequenceScalableExt * seqscaleext);
|
|
|
|
GST_CODEC_PARSERS_API
|
|
gboolean gst_mpeg_video_packet_parse_picture_header (const GstMpegVideoPacket * packet,
|
|
GstMpegVideoPictureHdr* pichdr);
|
|
|
|
GST_CODEC_PARSERS_API
|
|
gboolean gst_mpeg_video_packet_parse_picture_extension (const GstMpegVideoPacket * packet,
|
|
GstMpegVideoPictureExt *picext);
|
|
|
|
GST_CODEC_PARSERS_API
|
|
gboolean gst_mpeg_video_packet_parse_gop (const GstMpegVideoPacket * packet,
|
|
GstMpegVideoGop * gop);
|
|
|
|
GST_CODEC_PARSERS_API
|
|
gboolean gst_mpeg_video_packet_parse_slice_header (const GstMpegVideoPacket * packet,
|
|
GstMpegVideoSliceHdr * slice_hdr,
|
|
GstMpegVideoSequenceHdr * seq_hdr,
|
|
GstMpegVideoSequenceScalableExt * seqscaleext);
|
|
|
|
GST_CODEC_PARSERS_API
|
|
gboolean gst_mpeg_video_packet_parse_quant_matrix_extension (const GstMpegVideoPacket * packet,
|
|
GstMpegVideoQuantMatrixExt * quant);
|
|
|
|
/* seqext and displayext may be NULL if not received */
|
|
|
|
GST_CODEC_PARSERS_API
|
|
gboolean gst_mpeg_video_finalise_mpeg2_sequence_header (GstMpegVideoSequenceHdr *hdr,
|
|
GstMpegVideoSequenceExt *seqext, GstMpegVideoSequenceDisplayExt *displayext);
|
|
|
|
GST_CODEC_PARSERS_API
|
|
void gst_mpeg_video_quant_matrix_get_raster_from_zigzag (guint8 out_quant[64],
|
|
const guint8 quant[64]);
|
|
|
|
GST_CODEC_PARSERS_API
|
|
void gst_mpeg_video_quant_matrix_get_zigzag_from_raster (guint8 out_quant[64],
|
|
const guint8 quant[64]);
|
|
|
|
G_END_DECLS
|
|
|
|
#endif
|