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codecparser: VC1: Implement a VC1 parsing library

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This commit is contained in:
Thibault Saunier 2011-08-23 18:25:20 -03:00
parent 2c928aba19
commit 705a80d957
7 changed files with 3201 additions and 5 deletions
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1
docs/libs/gst-plugins-bad-libs-docs.sgml
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@ -30,6 +30,7 @@
</para> </para>
<xi:include href="xml/gsth264parser.xml" /> <xi:include href="xml/gsth264parser.xml" />
<xi:include href="xml/gstmpegvideoparser.xml" /> <xi:include href="xml/gstmpegvideoparser.xml" />
<xi:include href="xml/gstvc1parser.xml" />
</chapter> </chapter>
<chapter id="video"> <chapter id="video">

34
docs/libs/gst-plugins-bad-libs-sections.txt
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@ -44,6 +44,40 @@ gst_h264_parse_pps
<SUBSECTION Private> <SUBSECTION Private>
</SECTION> </SECTION>
<SECTION>
<FILE>gstvc1parser</FILE>
<TITLE>vc1parser</TITLE>
<INCLUDE>gst/codecparsers/gstvc1parser.h</INCLUDE>
MAX_HRD_NUM_LEAKY_BUCKETS
GST_VC1_BFRACTION_BASIS
GstVC1StartCode
GstVC1Profile
GstVC1ParseResult
GstVC1PictureType
GstVC1Level
GstVC1QuantizerSpec
GstVC1DQProfile
GstVC1Condover
GstVC1MvMode
GstVC1SeqHdr
GstVC1AdvancedSeqHdr
GstVC1SimpleMainSeqHdr
GstVC1HrdParam
GstVC1EntryPointHdr
GstVC1FrameHdr
GstVC1PicAdvanced
GstVC1PicSimpleMain
GstVC1Picture
GstVC1VopDquant
GstVC1BDU
gst_vc1_identify_next_bdu
gst_vc1_parse_sequence_header
gst_vc1_parse_entry_point_header
gst_vc1_parse_frame_header
<SUBSECTION Standard>
<SUBSECTION Private>
</SECTION>
<SECTION> <SECTION>
<FILE>gstmpegvideoparser</FILE> <FILE>gstmpegvideoparser</FILE>
<TITLE>mpegvideoparser</TITLE> <TITLE>mpegvideoparser</TITLE>

20
gst-libs/gst/codecparsers/Makefile.am
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@ -1,17 +1,27 @@
lib_LTLIBRARIES = libgstcodecparsers-@GST_MAJORMINOR@.la lib_LTLIBRARIES = libgstcodecparsers-@GST_MAJORMINOR@.la
libgstcodecparsers_@GST_MAJORMINOR@_la_SOURCES = \ libgstcodecparsers_@GST_MAJORMINOR@_la_SOURCES = \
gstmpegvideoparser.c gsth264parser.c gstmpegvideoparser.c gsth264parser.c gstvc1parser.c
libgstcodecparsers_@GST_MAJORMINOR@includedir = \ libgstcodecparsers_@GST_MAJORMINOR@includedir = \
$(includedir)/gstreamer-@GST_MAJORMINOR@/gst/codecparsers $(includedir)/gstreamer-@GST_MAJORMINOR@/gst/codecparsers
libgstcodecparsers_@GST_MAJORMINOR@include_HEADERS = \ libgstcodecparsers_@GST_MAJORMINOR@include_HEADERS = \
gstmpegvideoparser.h gsth264parser.h gstmpegvideoparser.h gsth264parser.h gstvc1parser.h
libgstcodecparsers_@GST_MAJORMINOR@_la_CFLAGS = $(GST_PLUGINS_BAD_CFLAGS) $(GST_CFLAGS) libgstcodecparsers_@GST_MAJORMINOR@_la_CFLAGS = \
libgstcodecparsers_@GST_MAJORMINOR@_la_LIBADD = $(GST_BASE_LIBS) $(GST_LIBS) $(GST_PLUGINS_BAD_CFLAGS) \
libgstcodecparsers_@GST_MAJORMINOR@_la_LDFLAGS = $(GST_LIB_LDFLAGS) $(GST_ALL_LDFLAGS) $(GST_LT_LDFLAGS) -DGST_USE_UNSTABLE_API \
$(GST_CFLAGS)
libgstcodecparsers_@GST_MAJORMINOR@_la_LIBADD = \
$(GST_BASE_LIBS) \
$(GST_LIBS)
libgstcodecparsers_@GST_MAJORMINOR@_la_LDFLAGS = \
$(GST_LIB_LDFLAGS) \
$(GST_ALL_LDFLAGS) \
$(GST_LT_LDFLAGS)
Android.mk: $(BUILT_SOURCES) Makefile.am Android.mk: $(BUILT_SOURCES) Makefile.am
androgenizer -:PROJECT libgstcodecparsers -:STATIC libgstcodecparsers-@GST_MAJORMINOR@ \ androgenizer -:PROJECT libgstcodecparsers -:STATIC libgstcodecparsers-@GST_MAJORMINOR@ \

1442
gst-libs/gst/codecparsers/gstvc1parser.c Normal file
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468
gst-libs/gst/codecparsers/gstvc1parser.h Normal file
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@ -0,0 +1,468 @@
/* Gstreamer
* Copyright (C) <2011> Intel
* Copyright (C) <2011> Collabora Ltd.
* Copyright (C) <2011> Thibault Saunier <thibault.saunier@collabora.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __GST_VC1_PARSER_H__
#define __GST_VC1_PARSER_H__
#ifndef GST_USE_UNSTABLE_API
#warning "The VC1 parsing library is unstable API and may change in future."
#warning "You can define GST_USE_UNSTABLE_API to avoid this warning."
#endif
#include <gst/gst.h>
G_BEGIN_DECLS
#define MAX_HRD_NUM_LEAKY_BUCKETS 31
/**
* @GST_VC1_BFRACTION_BASIS: The @bfraction variable should be divided
* by this constant to have the actual value.
*/
#define GST_VC1_BFRACTION_BASIS 256
typedef enum {
GST_VC1_END_OF_SEQ = 0x0A,
GST_VC1_SLICE = 0x0B,
GST_VC1_FIELD = 0x0C,
GST_VC1_FRAME = 0x0D,
GST_VC1_ENTRYPOINT = 0x0E,
GST_VC1_SEQUENCE = 0x0F,
GST_VC1_SLICE_USER = 0x1B,
GST_VC1_FIELD_USER = 0x1C,
GST_VC1_FRAME_USER = 0x1D,
GST_VC1_ENTRY_POINT_USER = 0x1E,
GST_VC1_SEQUENCE_USER = 0x1F
} GstVC1StartCode;
typedef enum {
GST_VC1_PROFILE_SIMPLE,
GST_VC1_PROFILE_MAIN,
GST_VC1_PROFILE_RESERVED,
GST_VC1_PROFILE_ADVANCED
} GstVC1Profile;
typedef enum {
GST_VC1_PARSER_OK,
GST_VC1_PARSER_BROKEN_DATA,
GST_VC1_PARSER_NO_BDU,
GST_VC1_PARSER_NO_BDU_END,
GST_VC1_PARSER_ERROR,
} GstVC1ParseResult;
typedef enum
{
GST_VC1_PICTURE_TYPE_P,
GST_VC1_PICTURE_TYPE_B,
GST_VC1_PICTURE_TYPE_I,
GST_VC1_PICTURE_TYPE_BI,
GST_VC1_PICTURE_TYPE_SKIPPED
} GstVC1PictureType;
typedef enum
{
GST_VC1_LEVEL_LOW = 0, /* Simple/Main profile low level */
GST_VC1_LEVELMEDIUM = 1, /* Simple/Main profile medium level */
GST_VC1_LEVELHIGH = 2, /* Main profile high level */
GST_VC1_LEVEL_L0 = 0, /* Advanced profile level 0 */
GST_VC1_LEVEL_L1 = 1, /* Advanced profile level 1 */
GST_VC1_LEVEL_L2 = 2, /* Advanced profile level 2 */
GST_VC1_LEVEL_L3 = 3, /* Advanced profile level 3 */
GST_VC1_LEVEL_L4 = 4, /* Advanced profile level 4 */
/* 5 to 7 reserved */
GST_VC1_LEVEL_UNKNOWN = 255 /* Unknown profile */
} GstVC1Level;
typedef enum
{
GST_VC1_QUANTIZER_IMPLICITLY,
GST_VC1_QUANTIZER_EXPLICITLY,
GST_VC1_QUANTIZER_NON_UNIFORM,
GST_VC1_QUANTIZER_UNIFORM
} GstVC1QuantizerSpec;
typedef enum {
GST_VC1_DQPROFILE_FOUR_EDGES,
GST_VC1_DQPROFILE_DOUBLE_EDGES,
GST_VC1_DQPROFILE_SINGLE_EDGE,
GST_VC1_DQPROFILE_ALL_MBS
} GstVC1DQProfile;
typedef enum {
GST_VC1_CONDOVER_NONE,
GST_VC1_CONDOVER_ALL,
GST_VC1_CONDOVER_SELECT
} GstVC1Condover;
/**
* GstVC1MvMode:
*
*/
typedef enum
{
GST_VC1_MVMODE_1MV_HPEL_BILINEAR,
GST_VC1_MVMODE_1MV,
GST_VC1_MVMODE_1MV_HPEL,
GST_VC1_MVMODE_MIXED_MV,
GST_VC1_MVMODE_INTENSITY_COMP
} GstVC1MvMode;
typedef struct _GstVC1SeqHdr GstVC1SeqHdr;
typedef struct _GstVC1AdvancedSeqHdr GstVC1AdvancedSeqHdr;
typedef struct _GstVC1SimpleMainSeqHdr GstVC1SimpleMainSeqHdr;
typedef struct _GstVC1HrdParam GstVC1HrdParam;
typedef struct _GstVC1EntryPointHdr GstVC1EntryPointHdr;
/* Pictures Structures */
typedef struct _GstVC1FrameHdr GstVC1FrameHdr;
typedef struct _GstVC1PicAdvanced GstVC1PicAdvanced;
typedef struct _GstVC1PicSimpleMain GstVC1PicSimpleMain;
typedef struct _GstVC1Picture GstVC1Picture;
typedef struct _GstVC1VopDquant GstVC1VopDquant;
typedef struct _GstVC1BDU GstVC1BDU;
struct _GstVC1HrdParam
{
guint8 hrd_num_leaky_buckets;
guint8 bit_rate_exponent;
guint8 buffer_size_exponent;
guint16 hrd_rate[MAX_HRD_NUM_LEAKY_BUCKETS];
guint16 hrd_buffer[MAX_HRD_NUM_LEAKY_BUCKETS];
};
/**
* GstVC1SimpleMainSeqHdr:
*
* Structure for simple and main profile sequence headers specific parameters.
*/
struct _GstVC1SimpleMainSeqHdr
{
guint8 res_sprite;
guint8 loop_filter;
guint8 multires;
guint8 fastuvmc;
guint8 extended_mv;
guint8 dquant;
guint8 vstransform;
guint8 overlap;
guint8 syncmarker;
guint8 rangered;
guint8 maxbframes;
guint8 quantizer;
/* This should be filled by user if previously known */
guint16 coded_width;
/* This should be filled by user if previously known */
guint16 coded_height;
/* Wmvp specific */
guint8 wmvp; /* Specify if the stream is wmp or not */
guint8 framerate;
guint8 slice_code;
};
/**
* GstVC1EntryPointHdr:
*
* Structure for entrypoint header, this will be used only in advanced profiles
*/
struct _GstVC1EntryPointHdr
{
guint8 broken_link;
guint8 closed_entry;
guint8 panscan_flag;
guint8 refdist_flag;
guint8 loopfilter;
guint8 fastuvmc;
guint8 extended_mv;
guint8 dquant;
guint8 vstransform;
guint8 overlap;
guint8 quantizer;
guint8 coded_size_flag;
guint16 coded_width;
guint16 coded_height;
guint8 extended_dmv;
guint8 range_mapy_flag;
guint8 range_mapy;
guint8 range_mapuv_flag;
guint8 range_mapuv;
guint8 hrd_full[MAX_HRD_NUM_LEAKY_BUCKETS];
};
/**
* GstVC1AdvancedSeqHdr:
*
* Structure for the advanced profile sequence headers specific parameters.
*/
struct _GstVC1AdvancedSeqHdr
{
guint8 level;
guint8 postprocflag;
guint16 max_coded_width;
guint16 max_coded_height;
guint8 pulldown;
guint8 interlace;
guint8 tfcntrflag;
guint8 psf;
guint8 display_ext;
guint16 disp_horiz_size;
guint16 disp_vert_size;
guint8 aspect_ratio_flag;
guint8 aspect_ratio;
guint8 aspect_horiz_size;
guint8 aspect_vert_size;
guint8 framerate_flag;
guint8 framerateind;
guint8 frameratenr;
guint8 frameratedr;
guint16 framerateexp;
guint8 color_format_flag;
guint8 color_prim;
guint8 transfer_char;
guint8 matrix_coef;
guint8 hrd_param_flag;
GstVC1HrdParam hrd_param;
/* The last parsed entry point */
GstVC1EntryPointHdr entrypoint;
};
/**
* GstVC1SeqHdr:
*
* Structure for sequence headers in any profile.
*/
struct _GstVC1SeqHdr
{
guint8 profiletype;
guint8 colordiff_format;
guint8 frmrtq_postproc;
guint8 bitrtq_postproc;
guint8 finterpflag;
/* calculated */
guint framerate; /* Around in fps, 0 if unknown*/
guint bitrate; /* Around in kpbs, 0 if unknown*/
union {
GstVC1AdvancedSeqHdr advanced;
GstVC1SimpleMainSeqHdr simplemain;
} profile;
};
/**
* GstVC1PicSimpleMain:
* @bfaction: Should be divided by #GST_VC1_BFRACTION_BASIS
* to get the real value.
*/
struct _GstVC1PicSimpleMain
{
guint8 frmcnt;
guint8 mvrange;
guint8 rangeredfrm;
/* I and P pic simple and main profiles only */
guint8 respic;
/* I and BI pic simple and main profiles only */
guint8 transacfrm2;
guint8 bf;
/* B and P pic simple and main profiles only */
guint8 mvmode;
guint8 mvtab;
guint8 ttmbf;
/* P pic simple and main profiles only */
guint8 mvmode2;
guint8 lumscale;
guint8 lumshift;
guint8 cbptab;
guint8 ttfrm;
/* B and BI picture only
* Should be divided by #GST_VC1_BFRACTION_BASIS
* to get the real value. */
guint8 bfraction;
/* Biplane value, those fields only mention the fact
* that the bitplane is in raw mode or not */
guint8 mvtypemb;
guint8 skipmb;
guint8 directmb; /* B pic main profile only */
};
/**
* GstVC1PicAdvanced:
* @bfaction: Should be divided by #GST_VC1_BFRACTION_BASIS
* to get the real value.
*/
struct _GstVC1PicAdvanced
{
guint8 fcm;
guint8 tfcntr;
guint8 rptfrm;
guint8 tff;
guint8 rff;
guint8 ps_present;
guint32 ps_hoffset;
guint32 ps_voffset;
guint16 ps_width;
guint16 ps_height;
guint8 rndctrl;
guint8 uvsamp;
guint8 postproc;
/* B and P picture specific */
guint8 mvrange;
guint8 mvmode;
guint8 mvtab;
guint8 cbptab;
guint8 ttmbf;
guint8 ttfrm;
/* B and BI picture only
* Should be divided by #GST_VC1_BFRACTION_BASIS
* to get the real value. */
guint8 bfraction;
/* ppic */
guint8 mvmode2;
guint8 lumscale;
guint8 lumshift;
/* bipic */
guint8 bf;
guint8 condover;
guint8 transacfrm2;
/* Biplane value, those fields only mention the fact
* that the bitplane is in raw mode or not */
guint8 acpred;
guint8 overflags;
guint8 mvtypemb;
guint8 skipmb;
guint8 directmb;
};
struct _GstVC1VopDquant
{
guint8 pqdiff;
guint8 abspq;
/* if dqant != 2*/
guint8 dquantfrm;
guint8 dqprofile;
/* if dqprofile == GST_VC1_DQPROFILE_SINGLE_EDGE
* or GST_VC1_DQPROFILE_DOUBLE_EDGE:*/
guint8 dqsbedge;
/* if dqprofile == GST_VC1_DQPROFILE_SINGLE_EDGE
* or GST_VC1_DQPROFILE_DOUBLE_EDGE:*/
guint8 dqbedge;
/* if dqprofile == GST_VC1_DQPROFILE_ALL_MBS */
guint8 dqbilevel;
};
/**
* GstVC1FrameHdr:
*
* Structure that represent picture in any profile or mode.
* You should look at @ptype and @profile to know what is currently
* in use.
*/
struct _GstVC1FrameHdr
{
/* common fields */
guint8 ptype;
guint8 interpfrm;
guint8 halfqp;
guint8 transacfrm;
guint8 transdctab;
guint8 pqindex;
guint8 pquantizer;
/* Computed */
guint8 pquant;
/* Convenience fields */
guint8 profile;
guint8 dquant;
/* If dquant */
GstVC1VopDquant vopdquant;
union {
GstVC1PicSimpleMain simple;
GstVC1PicAdvanced advanced;
} pic;
};
/**
* GstVC1BDU:
*
* Structure that represents a Bitstream Data Unit.
*/
struct _GstVC1BDU
{
GstVC1StartCode type;
guint size;
guint sc_offset;
guint offset;
guint8 * data;
};
GstVC1ParseResult gst_vc1_identify_next_bdu (const guint8 *data,
gsize size,
GstVC1BDU *bdu);
GstVC1ParseResult gst_vc1_parse_sequence_header (const guint8 *data,
gsize size,
GstVC1SeqHdr * seqhdr);
GstVC1ParseResult gst_vc1_parse_entry_point_header (const guint8 *data,
gsize size,
GstVC1EntryPointHdr * entrypoint,
GstVC1SeqHdr *seqhdr);
GstVC1ParseResult gst_vc1_parse_frame_header (const guint8 *data,
gsize size,
GstVC1FrameHdr * framehdr,
GstVC1SeqHdr *seqhdr);
G_END_DECLS
#endif

11
tests/check/Makefile.am
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@ -185,6 +185,7 @@ check_PROGRAMS = \
elements/rtpmux \ elements/rtpmux \
libs/mpegvideoparser \ libs/mpegvideoparser \
libs/h264parser \ libs/h264parser \
libs/vc1parser \
$(check_schro) \ $(check_schro) \
$(check_vp8) \ $(check_vp8) \
elements/viewfinderbin \ elements/viewfinderbin \
@ -236,6 +237,16 @@ libs_h264parser_LDADD = \
$(GST_PLUGINS_BAD_LIBS) -lgstcodecparsers-@GST_MAJORMINOR@ \ $(GST_PLUGINS_BAD_LIBS) -lgstcodecparsers-@GST_MAJORMINOR@ \
$(GST_BASE_LIBS) $(GST_LIBS) $(LDADD) $(GST_BASE_LIBS) $(GST_LIBS) $(LDADD)
libs_vc1parser_CFLAGS = \
$(GST_PLUGINS_BAD_CFLAGS) $(GST_PLUGINS_BASE_CFLAGS) \
-DGST_USE_UNSTABLE_API \
$(GST_BASE_CFLAGS) $(GST_CFLAGS) $(AM_CFLAGS)
libs_vc1parser_LDADD = \
$(top_builddir)/gst-libs/gst/codecparsers/libgstcodecparsers-@GST_MAJORMINOR@.la \
$(GST_PLUGINS_BAD_LIBS) -lgstcodecparsers-@GST_MAJORMINOR@ \
$(GST_BASE_LIBS) $(GST_LIBS) $(LDADD)
elements_voaacenc_CFLAGS = \ elements_voaacenc_CFLAGS = \
$(GST_PLUGINS_BASE_CFLAGS) \ $(GST_PLUGINS_BASE_CFLAGS) \
$(GST_BASE_CFLAGS) $(GST_CFLAGS) $(AM_CFLAGS) $(GST_BASE_CFLAGS) $(GST_CFLAGS) $(AM_CFLAGS)

1230
tests/check/libs/vc1parser.c Normal file
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