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/*****************************************************************************
* avcommon.h: common code for libav*
*****************************************************************************
* Copyright (C) 2012 VLC authors and VideoLAN
* $Id$
*
* Authors: Rafaël Carré <funman@videolanorg>
*
* This program 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 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#ifndef AVCOMMON_H
#define AVCOMMON_H 1
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <vlc_avcodec.h>
#include <vlc_configuration.h>
#include <vlc_variables.h>
#include <vlc_es.h>
#include <limits.h>
#include "avcommon_compat.h"
#ifdef HAVE_LIBAVUTIL_AVUTIL_H
# include <libavutil/avutil.h>
# include <libavutil/dict.h>
# include <libavutil/cpu.h>
# include <libavutil/log.h>
#define AV_OPTIONS_TEXT N_("Advanced options")
#define AV_OPTIONS_LONGTEXT N_("Advanced options, in the form {opt=val,opt2=val2}.")
#define AV_RESET_TS_TEXT "Reset timestamps"
#define AV_RESET_TS_LONGTEXT "The muxed content will start near a 0 timestamp."
static inline void vlc_av_get_options(const char *psz_opts, AVDictionary** pp_dict)
{
config_chain_t *cfg = NULL;
config_ChainParseOptions(&cfg, psz_opts);
while (cfg) {
config_chain_t *next = cfg->p_next;
av_dict_set(pp_dict, cfg->psz_name, cfg->psz_value, 0);
free(cfg->psz_name);
free(cfg->psz_value);
free(cfg);
cfg = next;
}
}
static inline void vlc_init_avutil(vlc_object_t *obj)
{
int level = AV_LOG_QUIET;
if (!var_InheritBool(obj, "quiet")) {
int64_t verbose = var_InheritInteger(obj, "verbose");
if (verbose >= 0) switch(verbose + VLC_MSG_ERR) {
case VLC_MSG_ERR:
level = AV_LOG_ERROR;
break;
case VLC_MSG_WARN:
level = AV_LOG_WARNING;
break;
case VLC_MSG_INFO:
level = AV_LOG_INFO;
break;
case VLC_MSG_DBG:
level = AV_LOG_VERBOSE;
break;
case VLC_MSG_DBG+1:
level = AV_LOG_DEBUG;
default:
break;
}
}
av_log_set_level(level);
msg_Dbg(obj, "CPU flags: 0x%08x", av_get_cpu_flags());
}
#endif
#ifdef HAVE_LIBAVFORMAT_AVFORMAT_H
# include <libavformat/avformat.h>
# include <libavformat/version.h>
static inline void vlc_init_avformat(vlc_object_t *obj)
{
vlc_avcodec_lock();
vlc_init_avutil(obj);
avformat_network_init();
#if (LIBAVFORMAT_VERSION_MICRO < 100) || !(LIBAVFORMAT_VERSION_CHECK(58, 9, 100))
av_register_all();
#endif
vlc_avcodec_unlock();
}
#endif
#ifdef HAVE_LIBAVCODEC_AVCODEC_H
# include <libavcodec/avcodec.h>
# include <libavcodec/version.h>
static inline void vlc_init_avcodec(vlc_object_t *obj)
{
vlc_avcodec_lock();
vlc_init_avutil(obj);
#if (LIBAVFORMAT_VERSION_MICRO < 100) || !(LIBAVCODEC_VERSION_CHECK(58, 10, 100))
avcodec_register_all();
#endif
vlc_avcodec_unlock();
}
#endif
static inline vlc_rational_t FromAVRational(const AVRational rat)
{
return (vlc_rational_t){.num = rat.num, .den = rat.den};
}
static inline void set_video_color_settings( const video_format_t *p_fmt, AVCodecContext *p_context )
{
if( p_fmt->b_color_range_full )
p_context->color_range = AVCOL_RANGE_JPEG;
switch( p_fmt->space )
{
case COLOR_SPACE_BT709:
p_context->colorspace = AVCOL_SPC_BT709;
break;
case COLOR_SPACE_BT601:
p_context->colorspace = AVCOL_SPC_BT470BG;
break;
case COLOR_SPACE_BT2020:
p_context->colorspace = AVCOL_SPC_BT2020_CL;
break;
default:
p_context->colorspace = AVCOL_SPC_UNSPECIFIED;
break;
}
switch( p_fmt->transfer )
{
case TRANSFER_FUNC_LINEAR:
p_context->color_trc = AVCOL_TRC_LINEAR;
break;
case TRANSFER_FUNC_SRGB:
p_context->color_trc = AVCOL_TRC_GAMMA22;
break;
case TRANSFER_FUNC_BT470_BG:
p_context->color_trc = AVCOL_TRC_GAMMA28;
break;
case TRANSFER_FUNC_BT470_M:
p_context->color_trc = AVCOL_TRC_GAMMA22;
break;
case TRANSFER_FUNC_BT709:
p_context->color_trc = AVCOL_TRC_BT709;
break;
case TRANSFER_FUNC_SMPTE_ST2084:
p_context->color_trc = AVCOL_TRC_SMPTEST2084;
break;
case TRANSFER_FUNC_SMPTE_240:
p_context->color_trc = AVCOL_TRC_SMPTE240M;
break;
default:
p_context->color_trc = AVCOL_TRC_UNSPECIFIED;
break;
}
switch( p_fmt->primaries )
{
case COLOR_PRIMARIES_BT601_525:
p_context->color_primaries = AVCOL_PRI_SMPTE170M;
break;
case COLOR_PRIMARIES_BT601_625:
p_context->color_primaries = AVCOL_PRI_BT470BG;
break;
case COLOR_PRIMARIES_BT709:
p_context->color_primaries = AVCOL_PRI_BT709;
break;
case COLOR_PRIMARIES_BT2020:
p_context->color_primaries = AVCOL_PRI_BT2020;
break;
case COLOR_PRIMARIES_FCC1953:
p_context->color_primaries = AVCOL_PRI_BT470M;
break;
default:
p_context->color_primaries = AVCOL_PRI_UNSPECIFIED;
break;
}
}
#endif
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