[libdvbpsi-devel] [PATCH 1/3] Introduce support for the MPEG-4 video descriptor
Jean-Paul Saman
jpsaman at videolan.org
Mon Mar 16 13:19:35 CET 2015
Patch merged,
Thanks,
Jean-Paul Saman
On Sun, Mar 15, 2015 at 4:26 PM, Daniel Kamil Kozar <dkk089 at gmail.com>
wrote:
> ---
> src/Makefile.am | 2 +
> src/descriptors/dr_1b.c | 75 +++++++++++++++++++++++++
> src/descriptors/dr_1b.h | 146
> ++++++++++++++++++++++++++++++++++++++++++++++++
> 3 files changed, 223 insertions(+)
> create mode 100644 src/descriptors/dr_1b.c
> create mode 100644 src/descriptors/dr_1b.h
>
> diff --git a/src/Makefile.am b/src/Makefile.am
> index 27b97eb..047a33f 100644
> --- a/src/Makefile.am
> +++ b/src/Makefile.am
> @@ -39,6 +39,7 @@ pkginclude_HEADERS = dvbpsi.h psi.h descriptor.h demux.h
> \
> descriptors/dr_12.h \
> descriptors/dr_13.h \
> descriptors/dr_14.h \
> + descriptors/dr_1b.h \
> descriptors/dr_40.h \
> descriptors/dr_41.h \
> descriptors/dr_42.h \
> @@ -96,6 +97,7 @@ descriptors_src = descriptors/dr_02.c \
> descriptors/dr_12.c \
> descriptors/dr_13.c \
> descriptors/dr_14.c \
> + descriptors/dr_1b.c \
> descriptors/dr_40.c \
> descriptors/dr_41.c \
> descriptors/dr_42.c \
> diff --git a/src/descriptors/dr_1b.c b/src/descriptors/dr_1b.c
> new file mode 100644
> index 0000000..17984b9
> --- /dev/null
> +++ b/src/descriptors/dr_1b.c
> @@ -0,0 +1,75 @@
> +/*
> +Copyright (C) 2015 Daniel Kamil Kozar
> +
> +This library is free software; you can redistribute it and/or
> +modify it under the terms of the GNU Lesser General Public
> +License as published by the Free Software Foundation; either
> +version 2.1 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
> +Lesser General Public License for more details.
> +
> +You should have received a copy of the GNU Lesser General Public
> +License along with this library; if not, write to the Free Software
> +Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
> 02110-1301 USA
> +*/
> +
> +#include "config.h"
> +
> +#include <stdlib.h>
> +#include <stdbool.h>
> +
> +#if defined(HAVE_INTTYPES_H)
> +#include <inttypes.h>
> +#elif defined(HAVE_STDINT_H)
> +#include <stdint.h>
> +#endif
> +
> +#include "../dvbpsi.h"
> +#include "../dvbpsi_private.h"
> +#include "../descriptor.h"
> +
> +#include "dr_1b.h"
> +
> +dvbpsi_mpeg4_video_dr_t* dvbpsi_DecodeMPEG4VideoDr(
> + dvbpsi_descriptor_t * p_descriptor)
> +{
> + dvbpsi_mpeg4_video_dr_t * p_decoded;
> +
> + /* check the tag. */
> + if (!dvbpsi_CanDecodeAsDescriptor(p_descriptor, 0x1b))
> + return NULL;
> +
> + /* don't decode twice. */
> + if (dvbpsi_IsDescriptorDecoded(p_descriptor))
> + return p_descriptor->p_decoded;
> +
> + /* all descriptors of this type have only one byte of payload. */
> + if (p_descriptor->i_length != 1)
> + return NULL;
> +
> + p_decoded = (dvbpsi_mpeg4_video_dr_t*)malloc(sizeof(*p_decoded));
> + if (!p_decoded)
> + return NULL;
> +
> + p_decoded->i_mpeg4_visual_profile_and_level = p_descriptor->p_data[0];
> +
> + p_descriptor->p_decoded = (void*)p_decoded;
> +
> + return p_decoded;
> +}
> +
> +dvbpsi_descriptor_t * dvbpsi_GenMPEG4VideoDr(
> + dvbpsi_mpeg4_video_dr_t * p_decoded)
> +{
> + dvbpsi_descriptor_t * p_descriptor = dvbpsi_NewDescriptor(0x1b, 1,
> NULL);
> + if (!p_descriptor)
> + return NULL;
> +
> + /* encode the data. */
> + p_descriptor->p_data[0] = p_decoded->i_mpeg4_visual_profile_and_level;
> +
> + return p_descriptor;
> +}
> diff --git a/src/descriptors/dr_1b.h b/src/descriptors/dr_1b.h
> new file mode 100644
> index 0000000..efbea22
> --- /dev/null
> +++ b/src/descriptors/dr_1b.h
> @@ -0,0 +1,146 @@
> +/*
> +Copyright (C) 2015 Daniel Kamil Kozar
> +
> +This library is free software; you can redistribute it and/or
> +modify it under the terms of the GNU Lesser General Public
> +License as published by the Free Software Foundation; either
> +version 2.1 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
> +Lesser General Public License for more details.
> +
> +You should have received a copy of the GNU Lesser General Public
> +License along with this library; if not, write to the Free Software
> +Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
> 02110-1301 USA
> +*/
> +
> +/*!
> + * \file <dr_1b.h>
> + * \author Daniel Kamil Kozar <dkk089 at gmail.com>
> + * \brief Application interface for the MPEG-4 video descriptor decoder
> and
> + * generator.
> + *
> + * Application interface for the MPEG-4 video descriptor decoder and
> generator.
> + * This descriptor's definition can be found in ISO/IEC 13818-1 revision
> 2014/10
> + * section 2.6.36.
> + */
> +
> +#ifndef _DVBPSI_DR_1B_H_
> +#define _DVBPSI_DR_1B_H_
> +
> +#ifdef __cplusplus
> +extern "C" {
> +#endif
> +
> +/*!
> + * \enum dvbpsi_mpeg4_visual_profile_and_level_s
> + * \brief Enumeration of MPEG-4 video profile and levels as specified in
> + * ISO/IEC 14496-2:2001 Table G-1.
> + */
> +/*!
> + * \typedef enum dvbpsi_mpeg4_visual_profile_and_level_s
> + * dvbpsi_mpeg4_visual_profile_and_level_t
> + * \note Values not present in this enumeration were marked by the
> specification
> + * as reserved at the time of writing.
> + * \brief MPEG-4 video profile and level as specified in ISO/IEC
> 14496-2:2001
> + * Table G-1.
> + */
> +typedef enum dvbpsi_mpeg4_visual_profile_and_level_s
> +{
> + DVBPSI_MPEG4V_PROFILE_SIMPLE_L1 = 0x01, /*!< Simple Profile/Level 1 */
> + DVBPSI_MPEG4V_PROFILE_SIMPLE_L2 = 0x02, /*!< Simple Profile/Level 2 */
> + DVBPSI_MPEG4V_PROFILE_SIMPLE_L3 = 0x03, /*!< Simple Profile/Level 3 */
> + /* 0x04 - 0x10 : Reserved */
> + DVBPSI_MPEG4V_PROFILE_SIMPLE_SCALABLE_L1 = 0x11, /*!< Simple Scalable
> Profile/Level 1 */
> + DVBPSI_MPEG4V_PROFILE_SIMPLE_SCALABLE_L2 = 0x12, /*!< Simple Scalable
> Profile/Level 2 */
> + /* 0x13 - 0x20 : Reserved */
> + DVBPSI_MPEG4V_PROFILE_CORE_L1 = 0x21, /*!< Core Profile/Level 1 */
> + DVBPSI_MPEG4V_PROFILE_CORE_L2 = 0x22, /*!< Core Profile/Level 2 */
> + /* 0x23 - 0x31 : Reserved */
> + DVBPSI_MPEG4V_PROFILE_MAIN_L2 = 0x32, /*!< Main Profile/Level 2 */
> + DVBPSI_MPEG4V_PROFILE_MAIN_L3 = 0x33, /*!< Main Profile/Level 3 */
> + DVBPSI_MPEG4V_PROFILE_MAIN_L4 = 0x34, /*!< Main Profile/Level 4 */
> + /* 0x35 - 0x41 : Reserved */
> + DVBPSI_MPEG4V_PROFILE_N_BIT_L2 = 0x42, /*!< N-bit Profile/Level 2 */
> + /* 0x43 - 0x50 : Reserved */
> + DVBPSI_MPEG4V_PROFILE_SCALABLE_TEXTURE_L1 = 0x51, /*!< Scalable
> Texture Profile/Level 1 */
> + /* 0x52 - 0x60 : Reserved */
> + DVBPSI_MPEG4V_PROFILE_SIMPLE_FACE_ANIMATION_L1 = 0x61, /*!< Simple
> Face Animation Profile/Level 1 */
> + DVBPSI_MPEG4V_PROFILE_SIMPLE_FACE_ANIMATION_L2 = 0x62, /*!< Simple
> Face Animation Profile/Level 2 */
> + DVBPSI_MPEG4V_PROFILE_SIMPLE_FBA_L1 = 0x63, /*!< Simple FBA
> Profile/Level 1 */
> + DVBPSI_MPEG4V_PROFILE_SIMPLE_FBA_L2 = 0x64, /*!< Simple FBA
> Profile/Level 2 */
> + /* 0x65 - 0x70 : Reserved */
> + DVBPSI_MPEG4V_PROFILE_BASIC_ANIMATED_TEXTURE_L1 = 0x71, /*!< Basic
> Animated Texture Profile/Level 1 */
> + DVBPSI_MPEG4V_PROFILE_BASIC_ANIMATED_TEXTURE_L2 = 0x72, /*!< Basic
> Animated Texture Profile/Level 2 */
> + /* 0x73 - 0x80 : Reserved */
> + DVBPSI_MPEG4V_PROFILE_HYBRID_L1 = 0x81, /*!< Hybrid Profile/Level 1 */
> + DVBPSI_MPEG4V_PROFILE_HYBRID_L2 = 0x82, /*!< Hybrid Profile/Level 2 */
> + /* 0x83 - 0x90 : Reserved */
> + DVBPSI_MPEG4V_PROFILE_ADV_REAL_TIME_SIMPLE_L1 = 0x91, /*!< Advanced
> Real Time Simple Profile/Level 1 */
> + DVBPSI_MPEG4V_PROFILE_ADV_REAL_TIME_SIMPLE_L2 = 0x92, /*!< Advanced
> Real Time Simple Profile/Level 2 */
> + DVBPSI_MPEG4V_PROFILE_ADV_REAL_TIME_SIMPLE_L3 = 0x93, /*!< Advanced
> Real Time Simple Profile/Level 3 */
> + DVBPSI_MPEG4V_PROFILE_ADV_REAL_TIME_SIMPLE_L4 = 0x94, /*!< Advanced
> Real Time Simple Profile/Level 4 */
> + /* 0x95 - 0xa0 : Reserved */
> + DVBPSI_MPEG4V_PROFILE_CORE_SCALABLE_L1 = 0xa1, /*!< Core Scalable
> Profile/Level 1 */
> + DVBPSI_MPEG4V_PROFILE_CORE_SCALABLE_L2 = 0xa2, /*!< Core Scalable
> Profile/Level 2 */
> + DVBPSI_MPEG4V_PROFILE_CORE_SCALABLE_L3 = 0xa3, /*!< Core Scalable
> Profile/Level 3 */
> + /* 0xa4 - 0xb0 : Reserved */
> + DVBPSI_MPEG4V_PROFILE_ADV_CODING_EFF_L1 = 0xb1, /*!< Advanced Coding
> Efficiency Profile/Level 1 */
> + DVBPSI_MPEG4V_PROFILE_ADV_CODING_EFF_L2 = 0xb2, /*!< Advanced Coding
> Efficiency Profile/Level 2 */
> + DVBPSI_MPEG4V_PROFILE_ADV_CODING_EFF_L3 = 0xb3, /*!< Advanced Coding
> Efficiency Profile/Level 3 */
> + DVBPSI_MPEG4V_PROFILE_ADV_CODING_EFF_L4 = 0xb4, /*!< Advanced Coding
> Efficiency Profile/Level 4 */
> + /* 0xb5 - 0xc0 : Reserved */
> + DVBPSI_MPEG4V_PROFILE_ADV_CORE_L1 = 0xc1, /*!< Advanced Core
> Profile/Level 1 */
> + DVBPSI_MPEG4V_PROFILE_ADV_CORE_L2 = 0xc2, /*!< Advanced Core
> Profile/Level 2 */
> + /* 0xc3 - 0xd0 : Reserved */
> + DVBPSI_MPEG4V_PROFILE_ADV_SCALABLE_TEXTURE_L1 = 0xd1, /*!< Advanced
> Scalable Texture/Level 1 */
> + DVBPSI_MPEG4V_PROFILE_ADV_SCALABLE_TEXTURE_L2 = 0xd2, /*!< Advanced
> Scalable Texture/Level 2 */
> + DVBPSI_MPEG4V_PROFILE_ADV_SCALABLE_TEXTURE_L3 = 0xd3, /*!< Advanced
> Scalable Texture/Level 3 */
> + /* 0xd4 - 0xff : Reserved */
> + DVBPSI_MPEG4V_PROFILE_LAST = 0xff, /* enforce enum size. */
> +} dvbpsi_mpeg4_visual_profile_and_level_t;
> +
> +/*!
> + * \struct dvbpsi_mpeg4_video_dr_s
> + * \brief MPEG-4 video descriptor structure.
> + *
> + * This structure is used to store a decoded MPEG-4 video descriptor.
> (ISO/IEC
> + * 13818-1 section 2.6.36).
> + */
> +
> +/*!
> + * \typedef struct dvbpsi_mpeg4_video_dr_s dvbpsi_mpeg4_video_dr_t
> + * \brief dvbpsi_mpeg4_video_dr_t type definition.
> + */
> +typedef struct dvbpsi_mpeg4_video_dr_s
> +{
> + /*! MPEG-4_visual_profile_and_level */
> + dvbpsi_mpeg4_visual_profile_and_level_t
> i_mpeg4_visual_profile_and_level;
> +} dvbpsi_mpeg4_video_dr_t;
> +
> +/*!
> + * \brief MPEG-4 video descriptor decoder.
> + * \param p_descriptor pointer to the descriptor structure
> + * \return A pointer to a new MPEG-4 video descriptor structure which
> contains
> + * the decoded data.
> + */
> +dvbpsi_mpeg4_video_dr_t* dvbpsi_DecodeMPEG4VideoDr(
> + dvbpsi_descriptor_t * p_descriptor);
> +
> +/*!
> + * \brief MPEG-4 video descriptor generator.
> + * \param p_decoded pointer to a decoded MPEG-4 video descriptor
> structure.
> + * \return a pointer to a new descriptor structure which contains encoded
> data.
> + */
> +dvbpsi_descriptor_t * dvbpsi_GenMPEG4VideoDr(
> + dvbpsi_mpeg4_video_dr_t *
> p_decoded);
> +
> +#ifdef __cplusplus
> +}
> +#endif
> +
> +#else
> +#error "Multiple inclusions of dr_1b.h"
> +#endif
> --
> 2.3.2
>
> _______________________________________________
> libdvbpsi-devel mailing list
> libdvbpsi-devel at videolan.org
> https://mailman.videolan.org/listinfo/libdvbpsi-devel
>
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