+++ /dev/null
-/*****************************************************************************
- * dirac.c: Dirac encoder module making use of libdirac (dirac-research).
- * (http://www.bbc.co.uk/rd/projects/dirac/index.shtml)
- * ##
- * ## NB, this is a temporary encoder only module until schroedinger
- * ## offers superior encoding quality than dirac-research
- * ##
- *****************************************************************************
- * Copyright (C) 2004-2008 VLC authors and VideoLAN
- * $Id$
- *
- * Authors: Gildas Bazin <gbazin@videolan.org>
- * Rewritten: David Flynn <davidf at rd.bbc.co.uk>
- *
- * 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.
- *****************************************************************************/
-
-/*****************************************************************************
- * Preamble
- *****************************************************************************/
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-
-#include <limits.h>
-#include <assert.h>
-
-#include <vlc_common.h>
-#include <vlc_plugin.h>
-#include <vlc_codec.h>
-#include <vlc_sout.h>
-#include <vlc_picture.h>
-
-#include <libdirac_encoder/dirac_encoder.h>
-
-#ifndef DIRAC_RESEARCH_VERSION_ATLEAST
-# define DIRAC_RESEARCH_VERSION_ATLEAST(x,y,z) 0
-#endif
-
-/*****************************************************************************
- * Local prototypes
- *****************************************************************************/
-static int OpenEncoder( vlc_object_t *p_this );
-static void CloseEncoder( vlc_object_t *p_this );
-static block_t *Encode( encoder_t *p_enc, picture_t *p_pict );
-
-#define ENC_CFG_PREFIX "sout-dirac-"
-
-#define ENC_QUALITY_FACTOR "quality"
-#define ENC_QUALITY_FACTOR_TEXT N_("Constant quality factor")
-#define ENC_QUALITY_FACTOR_LONGTEXT N_("If bitrate=0, use this value for constant quality")
-
-#define ENC_TARGETRATE "bitrate"
-#define ENC_TARGETRATE_TEXT N_("CBR bitrate (kbps)")
-#define ENC_TARGETRATE_LONGTEXT N_("A value > 0 enables constant bitrate mode")
-
-#define ENC_LOSSLESS "lossless"
-#define ENC_LOSSLESS_TEXT N_("Enable lossless coding")
-#define ENC_LOSSLESS_LONGTEXT N_("Lossless coding ignores bitrate and quality settings, " \
- "allowing for perfect reproduction of the original")
-
-#define ENC_PREFILTER "prefilter"
-#define ENC_PREFILTER_TEXT N_("Prefilter")
-#define ENC_PREFILTER_LONGTEXT N_("Enable adaptive prefiltering")
-static const char *const enc_prefilter_list[] =
- { "none", "cwm", "rectlp", "diaglp" };
-static const char *const enc_prefilter_list_text[] =
- { N_("None"), N_("Centre Weighted Median"),
- N_("Rectangular Linear Phase"), N_("Diagonal Linear Phase") };
-
-#define ENC_PREFILTER_STRENGTH "prefilter-strength"
-#define ENC_PREFILTER_STRENGTH_TEXT N_("Amount of prefiltering")
-#define ENC_PREFILTER_STRENGTH_LONGTEXT N_("Higher value implies more prefiltering")
-
-#define ENC_CHROMAFMT "chroma-fmt"
-#define ENC_CHROMAFMT_TEXT N_("Chroma format")
-#define ENC_CHROMAFMT_LONGTEXT N_("Picking chroma format will force a " \
- "conversion of the video into that format")
-static const char *const enc_chromafmt_list[] =
- { "420", "422", "444" };
-static const char *const enc_chromafmt_list_text[] =
- { N_("4:2:0"), N_("4:2:2"), N_("4:4:4") };
-
-#define ENC_L1SEP "l1-sep"
-#define ENC_L1SEP_TEXT N_("Distance between 'P' frames")
-#define ENC_L1SEP_LONGTEXT ENC_L1SEP_TEXT
-
-#define ENC_L1NUM "num-l1"
-#define ENC_L1NUM_TEXT N_("Number of 'P' frames per GOP")
-#define ENC_L1NUM_LONGTEXT ENC_L1NUM_TEXT
-
-#define ENC_CODINGMODE "coding-mode"
-#define ENC_CODINGMODE_TEXT N_("Picture coding mode")
-#define ENC_CODINGMODE_LONGTEXT N_("Field coding is where interlaced fields are coded" \
- " separately as opposed to a pseudo-progressive frame")
-static const char *const enc_codingmode_list[] =
- { "auto", "progressive", "field" };
-static const char *const enc_codingmode_list_text[] =
- { N_("auto - let encoder decide based upon input (Best)"),
- N_("force coding frame as single picture"),
- N_("force coding frame as separate interlaced fields"),
- };
-
-#define ENC_MCBLK_WIDTH "mc-blk-width"
-#define ENC_MCBLK_WIDTH_TEXT N_("Width of motion compensation blocks")
-#define ENC_MCBLK_WIDTH_LONGTEXT ""
-
-#define ENC_MCBLK_HEIGHT "mc-blk-height"
-#define ENC_MCBLK_HEIGHT_TEXT N_("Height of motion compensation blocks")
-#define ENC_MCBLK_HEIGHT_LONGTEXT ""
-
-/* also known as XBSEP and YBSEP */
-#define ENC_MCBLK_OVERLAP "mc-blk-overlap"
-#define ENC_MCBLK_OVERLAP_TEXT N_("Block overlap (%)")
-#define ENC_MCBLK_OVERLAP_LONGTEXT N_("Amount that each motion block should " \
- "be overlapped by its neighbours")
-
-/* advanced option only */
-#define ENC_MCBLK_XBLEN "mc-blk-xblen"
-#define ENC_MCBLK_XBLEN_TEXT N_("xblen")
-#define ENC_MCBLK_XBLEN_LONGTEXT N_("Total horizontal block length including overlaps")
-
-/* advanded option only */
-#define ENC_MCBLK_YBLEN "mc-blk-yblen"
-#define ENC_MCBLK_YBLEN_TEXT N_("yblen")
-#define ENC_MCBLK_YBLEN_LONGTEXT N_("Total vertical block length including overlaps")
-
-#define ENC_MVPREC "mv-prec"
-#define ENC_MVPREC_TEXT N_("Motion vector precision")
-#define ENC_MVPREC_LONGTEXT N_("Motion vector precision in pels.")
-static const char *const enc_mvprec_list[] =
- { "1", "1/2", "1/4", "1/8" };
-
-#define ENC_ME_SIMPLESEARCH "me-simple-search"
-#define ENC_ME_SIMPLESEARCH_TEXT N_("Simple ME search area x:y")
-#define ENC_ME_SIMPLESEARCH_LONGTEXT N_("(Not recommended) Perform a simple (non hierarchical " \
- "block matching motion vector search with search range " \
- "of +/-x, +/-y")
-
-#define ENC_ME_COMBINED "me-combined"
-#define ENC_ME_COMBINED_TEXT N_("Three component motion estimation")
-#define ENC_ME_COMBINED_LONGTEXT N_("Use chroma as part of the motion estimation process")
-
-#define ENC_DWTINTRA "dwt-intra"
-#define ENC_DWTINTRA_TEXT N_("Intra picture DWT filter")
-#define ENC_DWTINTRA_LONGTEXT ENC_DWTINTRA_TEXT
-
-#define ENC_DWTINTER "dwt-inter"
-#define ENC_DWTINTER_TEXT N_("Inter picture DWT filter")
-#define ENC_DWTINTER_LONGTEXT ENC_DWTINTER_TEXT
-
-#define ENC_DWTDEPTH "dwt-depth"
-#define ENC_DWTDEPTH_TEXT N_("Number of DWT iterations")
-#define ENC_DWTDEPTH_LONGTEXT N_("Also known as DWT levels")
-
-/* advanced option only */
-#define ENC_MULTIQUANT "multi-quant"
-#define ENC_MULTIQUANT_TEXT N_("Enable multiple quantizers")
-#define ENC_MULTIQUANT_LONGTEXT N_("Enable multiple quantizers per subband (one per codeblock)")
-
-/* advanced option only */
-#define ENC_SPARTITION "spartition"
-#define ENC_SPARTITION_TEXT N_("Enable spatial partitioning")
-#define ENC_SPARTITION_LONGTEXT ENC_SPARTITION_TEXT
-
-#define ENC_NOAC "noac"
-#define ENC_NOAC_TEXT N_("Disable arithmetic coding")
-#define ENC_NOAC_LONGTEXT N_("Use variable length codes instead, useful for very high bitrates")
-
-/* visual modelling */
-/* advanced option only */
-#define ENC_CPD "cpd"
-#define ENC_CPD_TEXT N_("cycles per degree")
-#define ENC_CPD_LONGTEXT ENC_CPD_TEXT
-
-static const char *const ppsz_enc_options[] = {
- ENC_QUALITY_FACTOR, ENC_TARGETRATE, ENC_LOSSLESS, ENC_PREFILTER, ENC_PREFILTER_STRENGTH,
- ENC_CHROMAFMT, ENC_L1SEP, ENC_L1NUM, ENC_CODINGMODE,
- ENC_MCBLK_WIDTH, ENC_MCBLK_HEIGHT, ENC_MCBLK_OVERLAP,
- ENC_MVPREC, ENC_ME_SIMPLESEARCH, ENC_ME_COMBINED,
- ENC_DWTINTRA, ENC_DWTINTER, ENC_DWTDEPTH,
- ENC_MULTIQUANT, ENC_SPARTITION, ENC_NOAC,
- ENC_CPD,
- NULL
-};
-
-
-/*****************************************************************************
- * Module descriptor
- *****************************************************************************/
-
-vlc_module_begin()
- set_category( CAT_INPUT )
- set_subcategory( SUBCAT_INPUT_VCODEC )
- set_description( N_("Dirac video encoder using dirac-research library") )
- set_shortname( "Dirac" )
- set_capability( "encoder", 100 )
- set_callbacks( OpenEncoder, CloseEncoder )
-
- add_float( ENC_CFG_PREFIX ENC_QUALITY_FACTOR, 5.5,
- ENC_QUALITY_FACTOR_TEXT, ENC_QUALITY_FACTOR_LONGTEXT, false )
- change_float_range(0., 10.);
-
- add_integer( ENC_CFG_PREFIX ENC_TARGETRATE, -1,
- ENC_TARGETRATE_TEXT, ENC_TARGETRATE_LONGTEXT, false )
- change_integer_range(-1, INT_MAX);
-
- add_bool( ENC_CFG_PREFIX ENC_LOSSLESS, false,
- ENC_LOSSLESS_TEXT, ENC_LOSSLESS_LONGTEXT, false )
-
- add_string( ENC_CFG_PREFIX ENC_PREFILTER, "diaglp",
- ENC_PREFILTER_TEXT, ENC_PREFILTER_LONGTEXT, false )
- change_string_list( enc_prefilter_list, enc_prefilter_list_text );
-
- add_integer( ENC_CFG_PREFIX ENC_PREFILTER_STRENGTH, 1,
- ENC_PREFILTER_STRENGTH_TEXT, ENC_PREFILTER_STRENGTH_LONGTEXT, false )
- change_integer_range(0, 10);
-
- add_string( ENC_CFG_PREFIX ENC_CHROMAFMT, "420",
- ENC_CHROMAFMT_TEXT, ENC_CHROMAFMT_LONGTEXT, false )
- change_string_list( enc_chromafmt_list, enc_chromafmt_list_text );
-
- add_integer( ENC_CFG_PREFIX ENC_L1SEP, -1,
- ENC_L1SEP_TEXT, ENC_L1SEP_LONGTEXT, false )
- change_integer_range(-1, INT_MAX);
-
- add_integer( ENC_CFG_PREFIX ENC_L1NUM, -1,
- ENC_L1NUM_TEXT, ENC_L1NUM_LONGTEXT, false )
- change_integer_range(-1, INT_MAX);
-
- add_string( ENC_CFG_PREFIX ENC_CODINGMODE, "auto",
- ENC_CODINGMODE_TEXT, ENC_CODINGMODE_LONGTEXT, false )
- change_string_list( enc_codingmode_list, enc_codingmode_list_text );
-
- add_string( ENC_CFG_PREFIX ENC_MVPREC, "1/2",
- ENC_MVPREC_TEXT, ENC_MVPREC_LONGTEXT, false )
- change_string_list( enc_mvprec_list, enc_mvprec_list );
-
- add_integer( ENC_CFG_PREFIX ENC_MCBLK_WIDTH, -1,
- ENC_MCBLK_WIDTH_TEXT, ENC_MCBLK_WIDTH_LONGTEXT, false )
- change_integer_range(-1, INT_MAX);
-
- add_integer( ENC_CFG_PREFIX ENC_MCBLK_HEIGHT, -1,
- ENC_MCBLK_HEIGHT_TEXT, ENC_MCBLK_HEIGHT_LONGTEXT, false )
- change_integer_range(-1, INT_MAX);
-
- add_integer( ENC_CFG_PREFIX ENC_MCBLK_OVERLAP, -1,
- ENC_MCBLK_OVERLAP_TEXT, ENC_MCBLK_OVERLAP_LONGTEXT, false )
- change_integer_range(-1, 100);
-
- /* advanced option only */
- add_integer( ENC_CFG_PREFIX ENC_MCBLK_XBLEN, -1,
- ENC_MCBLK_XBLEN_TEXT, ENC_MCBLK_XBLEN_LONGTEXT, true )
- change_integer_range(-1, INT_MAX);
- /* advanced option only */
- add_integer( ENC_CFG_PREFIX ENC_MCBLK_YBLEN, -1,
- ENC_MCBLK_YBLEN_TEXT, ENC_MCBLK_YBLEN_LONGTEXT, true )
- change_integer_range(-1, INT_MAX);
-
- add_string( ENC_CFG_PREFIX ENC_ME_SIMPLESEARCH, "",
- ENC_ME_SIMPLESEARCH_TEXT, ENC_ME_SIMPLESEARCH_LONGTEXT, false )
-
-#if DIRAC_RESEARCH_VERSION_ATLEAST(1,0,1)
- add_bool( ENC_CFG_PREFIX ENC_ME_COMBINED, true,
- ENC_ME_COMBINED_TEXT, ENC_ME_COMBINED_LONGTEXT, false )
-#endif
-
- add_integer( ENC_CFG_PREFIX ENC_DWTINTRA, -1,
- ENC_DWTINTRA_TEXT, ENC_DWTINTRA_LONGTEXT, false )
- change_integer_range(-1, 6);
-
- add_integer( ENC_CFG_PREFIX ENC_DWTINTER, -1,
- ENC_DWTINTER_TEXT, ENC_DWTINTER_LONGTEXT, false )
- change_integer_range(-1, 6);
-
- add_integer( ENC_CFG_PREFIX ENC_DWTDEPTH, -1,
- ENC_DWTDEPTH_TEXT, ENC_DWTDEPTH_LONGTEXT, false )
- change_integer_range(-1, 4);
-
- /* advanced option only */
- /* NB, unforunately vlc doesn't have a concept of 'don't care' */
- add_integer( ENC_CFG_PREFIX ENC_MULTIQUANT, -1,
- ENC_MULTIQUANT_TEXT, ENC_MULTIQUANT_LONGTEXT, true )
- change_integer_range(-1, 1);
-
- /* advanced option only */
- /* NB, unforunately vlc doesn't have a concept of 'don't care' */
- add_integer( ENC_CFG_PREFIX ENC_SPARTITION, -1,
- ENC_SPARTITION_TEXT, ENC_SPARTITION_LONGTEXT, true )
- change_integer_range(-1, 1);
-
- add_bool( ENC_CFG_PREFIX ENC_NOAC, false,
- ENC_NOAC_TEXT, ENC_NOAC_LONGTEXT, false )
-
- /* advanced option only */
- add_float( ENC_CFG_PREFIX ENC_CPD, -1,
- ENC_CPD_TEXT, ENC_CPD_LONGTEXT, true )
- change_integer_range(-1, INT_MAX);
-vlc_module_end()
-
-/*****************************************************************************
- * picture_pts_t : store pts alongside picture number, not carried through
- * encoder
- *****************************************************************************/
-struct picture_pts_t
-{
- bool b_empty; /* entry is invalid */
- uint32_t u_pnum; /* dirac picture number */
- mtime_t i_pts; /* associated pts */
-};
-
-/*****************************************************************************
- * encoder_sys_t : dirac encoder descriptor
- *****************************************************************************/
-#define PTS_TLB_SIZE 256
-struct encoder_sys_t
-{
- dirac_encoder_t *p_dirac;
- dirac_encoder_context_t ctx;
- bool b_auto_field_coding;
-
- uint8_t *p_buffer_in;
- int i_buffer_in;
- uint32_t i_input_picnum;
- block_fifo_t *p_dts_fifo;
-
- int i_buffer_out;
- uint8_t *p_buffer_out;
- block_t *p_chain;
-
- struct picture_pts_t pts_tlb[PTS_TLB_SIZE];
- mtime_t i_pts_offset;
- mtime_t i_field_time;
-};
-
-static struct
-{
- unsigned int i_height;
- int i_approx_fps;
- VideoFormat i_vf;
-} dirac_format_guess[] = {
- /* Important: Keep this list ordered in ascending picture height */
- {1, 0, VIDEO_FORMAT_CUSTOM},
- {120, 15, VIDEO_FORMAT_QSIF525},
- {144, 12, VIDEO_FORMAT_QCIF},
- {240, 15, VIDEO_FORMAT_SIF525},
- {288, 12, VIDEO_FORMAT_CIF},
- {480, 30, VIDEO_FORMAT_SD_480I60},
- {480, 15, VIDEO_FORMAT_4SIF525},
- {576, 12, VIDEO_FORMAT_4CIF},
- {576, 25, VIDEO_FORMAT_SD_576I50},
- {720, 50, VIDEO_FORMAT_HD_720P50},
- {720, 60, VIDEO_FORMAT_HD_720P60},
- {1080, 24, VIDEO_FORMAT_DIGI_CINEMA_2K24},
- {1080, 25, VIDEO_FORMAT_HD_1080I50},
- {1080, 30, VIDEO_FORMAT_HD_1080I60},
- {1080, 50, VIDEO_FORMAT_HD_1080P50},
- {1080, 60, VIDEO_FORMAT_HD_1080P60},
- {2160, 24, VIDEO_FORMAT_DIGI_CINEMA_4K24},
- {2160, 50, VIDEO_FORMAT_UHDTV_4K50},
- {2160, 60, VIDEO_FORMAT_UHDTV_4K60},
- {3840, 50, VIDEO_FORMAT_UHDTV_8K50},
- {3840, 60, VIDEO_FORMAT_UHDTV_8K60},
- {0, 0, 0},
-};
-
-/*****************************************************************************
- * ResetPTStlb: Purge all entries in @p_dec@'s PTS-tlb
- *****************************************************************************/
-static void ResetPTStlb( encoder_t *p_enc )
-{
- encoder_sys_t *p_sys = p_enc->p_sys;
- for( int i=0; i<PTS_TLB_SIZE; i++)
- {
- p_sys->pts_tlb[i].b_empty = true;
- }
-}
-
-/*****************************************************************************
- * StorePicturePTS: Store the PTS value for a particular picture number
- *****************************************************************************/
-static void StorePicturePTS( encoder_t *p_enc, uint32_t u_pnum, mtime_t i_pts )
-{
- encoder_sys_t *p_sys = p_enc->p_sys;
-
- for( int i=0; i<PTS_TLB_SIZE; i++ )
- {
- if( p_sys->pts_tlb[i].b_empty )
- {
- p_sys->pts_tlb[i].u_pnum = u_pnum;
- p_sys->pts_tlb[i].i_pts = i_pts;
- p_sys->pts_tlb[i].b_empty = false;
-
- return;
- }
- }
-
- msg_Err( p_enc, "Could not store PTS %"PRId64" for frame %u", i_pts, u_pnum );
-}
-
-/*****************************************************************************
- * GetPicturePTS: Retrieve the PTS value for a particular picture number
- *****************************************************************************/
-static mtime_t GetPicturePTS( encoder_t *p_enc, uint32_t u_pnum )
-{
- encoder_sys_t *p_sys = p_enc->p_sys;
-
- for( int i=0; i<PTS_TLB_SIZE; i++ )
- {
- if( !p_sys->pts_tlb[i].b_empty &&
- p_sys->pts_tlb[i].u_pnum == u_pnum )
- {
- p_sys->pts_tlb[i].b_empty = true;
- return p_sys->pts_tlb[i].i_pts;
- }
- }
-
- msg_Err( p_enc, "Could not retrieve PTS for picture %u", u_pnum );
- return 0;
-}
-
-/*****************************************************************************
- * OpenEncoder: probe the encoder and return score
- *****************************************************************************/
-static int OpenEncoder( vlc_object_t *p_this )
-{
- encoder_t *p_enc = (encoder_t *)p_this;
- encoder_sys_t *p_sys;
- int i_tmp;
- float f_tmp;
- char *psz_tmp;
-
- if( p_enc->fmt_out.i_codec != VLC_CODEC_DIRAC &&
- !p_enc->b_force )
- {
- return VLC_EGENERIC;
- }
-
- if( !p_enc->fmt_in.video.i_frame_rate || !p_enc->fmt_in.video.i_frame_rate_base ||
- !p_enc->fmt_in.video.i_visible_height || !p_enc->fmt_in.video.i_visible_width )
- {
- msg_Err( p_enc, "Framerate and picture dimensions must be non-zero" );
- return VLC_EGENERIC;
- }
-
- /* Allocate the memory needed to store the decoder's structure */
- if( ( p_sys = calloc( 1, sizeof(*p_sys) ) ) == NULL )
- return VLC_ENOMEM;
-
- p_enc->p_sys = p_sys;
- p_enc->pf_encode_video = Encode;
- p_enc->fmt_out.i_codec = VLC_CODEC_DIRAC;
- p_enc->fmt_out.i_cat = VIDEO_ES;
-
- if( ( p_sys->p_dts_fifo = block_FifoNew() ) == NULL )
- {
- CloseEncoder( p_this );
- return VLC_ENOMEM;
- }
-
- ResetPTStlb( p_enc );
-
- /* guess the video format based upon number of lines and picture height */
- int i = 0;
- VideoFormat guessed_video_fmt = VIDEO_FORMAT_CUSTOM;
- /* Pick the dirac_video_format in this order of preference:
- * 1. an exact match in frame height and an approximate fps match
- * 2. the previous preset with a smaller number of lines.
- */
- do
- {
- if( dirac_format_guess[i].i_height > p_enc->fmt_in.video.i_height )
- {
- guessed_video_fmt = dirac_format_guess[i-1].i_vf;
- break;
- }
- if( dirac_format_guess[i].i_height != p_enc->fmt_in.video.i_height )
- continue;
- int src_fps = p_enc->fmt_in.video.i_frame_rate / p_enc->fmt_in.video.i_frame_rate_base;
- int delta_fps = abs( dirac_format_guess[i].i_approx_fps - src_fps );
- if( delta_fps > 2 )
- continue;
-
- guessed_video_fmt = dirac_format_guess[i].i_vf;
- break;
- } while( dirac_format_guess[++i].i_height );
-
- dirac_encoder_context_init( &p_sys->ctx, guessed_video_fmt );
-
- /* constants set from the input video format */
- p_sys->ctx.src_params.frame_rate.numerator = p_enc->fmt_in.video.i_frame_rate;
- p_sys->ctx.src_params.frame_rate.denominator = p_enc->fmt_in.video.i_frame_rate_base;
- unsigned u_asr_num, u_asr_den;
- vlc_ureduce( &u_asr_num, &u_asr_den,
- p_enc->fmt_in.video.i_sar_num,
- p_enc->fmt_in.video.i_sar_den, 0 );
- p_sys->ctx.src_params.pix_asr.numerator = u_asr_num;
- p_sys->ctx.src_params.pix_asr.denominator = u_asr_den;
-
- config_ChainParse( p_enc, ENC_CFG_PREFIX, ppsz_enc_options, p_enc->p_cfg );
-
- psz_tmp = var_GetString( p_enc, ENC_CFG_PREFIX ENC_CHROMAFMT );
- if( !psz_tmp )
- goto error;
- else if( !strcmp( psz_tmp, "420" ) ) {
- p_enc->fmt_in.i_codec = VLC_CODEC_I420;
- p_enc->fmt_in.video.i_bits_per_pixel = 12;
- p_sys->ctx.src_params.chroma = format420;
- }
- else if( !strcmp( psz_tmp, "422" ) ) {
- p_enc->fmt_in.i_codec = VLC_CODEC_I422;
- p_enc->fmt_in.video.i_bits_per_pixel = 16;
- p_sys->ctx.src_params.chroma = format422;
- }
- else if( !strcmp( psz_tmp, "444" ) ) {
- p_enc->fmt_in.i_codec = VLC_CODEC_I444;
- p_enc->fmt_in.video.i_bits_per_pixel = 24;
- p_sys->ctx.src_params.chroma = format444;
- }
- else {
- msg_Err( p_enc, "Invalid chroma format: %s", psz_tmp );
- free( psz_tmp );
- goto error;
- }
- free( psz_tmp );
-
- picture_t picture;
- picture_Setup( &picture, p_enc->fmt_in.i_codec,
- p_enc->fmt_in.video.i_width,
- p_enc->fmt_in.video.i_height,
- p_enc->fmt_in.video.i_sar_num,
- p_enc->fmt_in.video.i_sar_den );
-
- switch( p_enc->fmt_in.i_codec )
- {
- case VLC_CODEC_I420:
- p_sys->i_buffer_in = picture.format.i_visible_width * picture.format.i_visible_height * 3 / 2;
- break;
- case VLC_CODEC_I422:
- p_sys->i_buffer_in = picture.format.i_visible_width * picture.format.i_visible_height * 2;
- break;
- case VLC_CODEC_I444:
- p_sys->i_buffer_in = picture.format.i_visible_width * picture.format.i_visible_height * 3;
- break;
- }
-
- p_sys->ctx.src_params.width = picture.format.i_visible_width;
- p_sys->ctx.src_params.height = picture.format.i_visible_height;
-
- p_sys->ctx.enc_params.qf = var_GetFloat( p_enc, ENC_CFG_PREFIX ENC_QUALITY_FACTOR );
-
- /* use bitrate from sout-transcode-vb in kbps */
- p_sys->ctx.enc_params.trate = p_enc->fmt_out.i_bitrate / 1000;
- i_tmp = var_GetInteger( p_enc, ENC_CFG_PREFIX ENC_TARGETRATE );
- if( i_tmp > -1 )
- p_sys->ctx.enc_params.trate = i_tmp;
- p_enc->fmt_out.i_bitrate = p_sys->ctx.enc_params.trate * 1000;
-
- p_sys->ctx.enc_params.lossless = var_GetBool( p_enc, ENC_CFG_PREFIX ENC_LOSSLESS );
-
- psz_tmp = var_GetString( p_enc, ENC_CFG_PREFIX ENC_PREFILTER );
- if( !psz_tmp )
- goto error;
- else if( !strcmp( psz_tmp, "none" ) ) {
- p_sys->ctx.enc_params.prefilter = NO_PF;
- }
- else if( !strcmp( psz_tmp, "cwm" ) ) {
- p_sys->ctx.enc_params.prefilter = CWM;
- }
- else if( !strcmp( psz_tmp, "rectlp" ) ) {
- p_sys->ctx.enc_params.prefilter = RECTLP;
- }
- else if( !strcmp( psz_tmp, "diaglp" ) ) {
- p_sys->ctx.enc_params.prefilter = DIAGLP;
- }
- else {
- msg_Err( p_enc, "Invalid prefilter: %s", psz_tmp );
- free( psz_tmp );
- goto error;
- }
- free( psz_tmp );
-
- p_sys->ctx.enc_params.prefilter_strength =
- var_GetInteger( p_enc, ENC_CFG_PREFIX ENC_PREFILTER_STRENGTH );
-
- i_tmp = var_GetInteger( p_enc, ENC_CFG_PREFIX ENC_L1SEP );
- if( i_tmp > -1 )
- p_sys->ctx.enc_params.L1_sep = i_tmp;
-
- i_tmp = var_GetInteger( p_enc, ENC_CFG_PREFIX ENC_L1NUM );
- if( i_tmp > -1 )
- p_sys->ctx.enc_params.num_L1 = i_tmp;
-
- psz_tmp = var_GetString( p_enc, ENC_CFG_PREFIX ENC_CODINGMODE );
- if( !psz_tmp )
- goto error;
- else if( !strcmp( psz_tmp, "auto" ) ) {
- p_sys->b_auto_field_coding = true;
- }
- else if( !strcmp( psz_tmp, "progressive" ) ) {
- p_sys->b_auto_field_coding = false;
- p_sys->ctx.enc_params.picture_coding_mode = 0;
- }
- else if( !strcmp( psz_tmp, "field" ) ) {
- p_sys->b_auto_field_coding = false;
- p_sys->ctx.enc_params.picture_coding_mode = 1;
- }
- else {
- msg_Err( p_enc, "Invalid codingmode: %s", psz_tmp );
- free( psz_tmp );
- goto error;
- }
- free( psz_tmp );
-
- psz_tmp = var_GetString( p_enc, ENC_CFG_PREFIX ENC_MVPREC );
- if( !psz_tmp )
- goto error;
- else if( !strcmp( psz_tmp, "1" ) ) {
- p_sys->ctx.enc_params.mv_precision = MV_PRECISION_PIXEL;
- }
- else if( !strcmp( psz_tmp, "1/2" ) ) {
- p_sys->ctx.enc_params.mv_precision = MV_PRECISION_HALF_PIXEL;
- }
- else if( !strcmp( psz_tmp, "1/4" ) ) {
- p_sys->ctx.enc_params.mv_precision = MV_PRECISION_QUARTER_PIXEL;
- }
- else if( !strcmp( psz_tmp, "1/8" ) ) {
- p_sys->ctx.enc_params.mv_precision = MV_PRECISION_EIGHTH_PIXEL;
- }
- else {
- msg_Err( p_enc, "Invalid mv-prec: %s", psz_tmp );
- free( psz_tmp );
- goto error;
- }
- free( psz_tmp );
-
- /*
- * {x,y}b{len,sep} must be multiples of 4
- */
- i_tmp = var_GetInteger( p_enc, ENC_CFG_PREFIX ENC_MCBLK_WIDTH );
- if( i_tmp > -1 )
- p_sys->ctx.enc_params.xbsep = i_tmp / 4 * 4;
-
- i_tmp = var_GetInteger( p_enc, ENC_CFG_PREFIX ENC_MCBLK_HEIGHT );
- if( i_tmp > -1 )
- p_sys->ctx.enc_params.ybsep = i_tmp / 4 * 4;
-
- i_tmp = var_GetInteger( p_enc, ENC_CFG_PREFIX ENC_MCBLK_OVERLAP );
- if( i_tmp > -1 ) {
- p_sys->ctx.enc_params.xblen = p_sys->ctx.enc_params.xbsep * (100 + i_tmp) / 400 * 4;
- p_sys->ctx.enc_params.yblen = p_sys->ctx.enc_params.ybsep * (100 + i_tmp) / 400 * 4;
- }
-
- /*
- * {x,y}blen >= {x,y}bsep
- * {x,y}blen <= 2* {x,y}bsep
- */
- i_tmp = var_GetInteger( p_enc, ENC_CFG_PREFIX ENC_MCBLK_XBLEN );
- if( i_tmp > -1 ) {
- int xblen = __MAX( i_tmp, p_sys->ctx.enc_params.xbsep );
- xblen = __MIN( xblen, 2 * p_sys->ctx.enc_params.xbsep );
- p_sys->ctx.enc_params.xblen = xblen;
- }
-
- i_tmp = var_GetInteger( p_enc, ENC_CFG_PREFIX ENC_MCBLK_YBLEN );
- if( i_tmp > -1 ) {
- int yblen = __MAX( i_tmp, p_sys->ctx.enc_params.ybsep );
- yblen = __MIN( yblen, 2 * p_sys->ctx.enc_params.ybsep );
- p_sys->ctx.enc_params.yblen = yblen;
- }
-
- psz_tmp = var_GetString( p_enc, ENC_CFG_PREFIX ENC_ME_SIMPLESEARCH );
- if( !psz_tmp )
- goto error;
- if( *psz_tmp != '\0' ) {
- /* of the form [0-9]+:[0-9]+ */
- char *psz_start = psz_tmp;
- char *psz_end = psz_tmp;
- p_sys->ctx.enc_params.x_range_me = strtol(psz_start, &psz_end, 10);
- if( *psz_end != ':' || psz_end == psz_start ) {
- msg_Err( p_enc, "Invalid simple search range: %s", psz_tmp );
- free( psz_tmp );
- goto error;
- }
- psz_start = ++psz_end;
- p_sys->ctx.enc_params.y_range_me = strtol(psz_start, &psz_end, 10);
- if( *psz_end != '\0' || psz_end == psz_start ) {
- msg_Err( p_enc, "Invalid simple search range: %s", psz_tmp );
- free( psz_tmp );
- goto error;
- }
- if( p_sys->ctx.enc_params.x_range_me < 0 ||
- p_sys->ctx.enc_params.y_range_me < 0 )
- {
- msg_Err( p_enc, "Invalid negative simple search range: %s", psz_tmp );
- free( psz_tmp );
- goto error;
- }
- p_sys->ctx.enc_params.full_search = 1;
- }
- free( psz_tmp );
-
-#if DIRAC_RESEARCH_VERSION_ATLEAST(1,0,1)
- p_sys->ctx.enc_params.combined_me = var_GetBool( p_enc, ENC_CFG_PREFIX ENC_ME_COMBINED );
-#endif
-
- i_tmp = var_GetInteger( p_enc, ENC_CFG_PREFIX ENC_DWTINTRA );
- if( i_tmp > -1 )
- p_sys->ctx.enc_params.intra_wlt_filter = i_tmp;
-
- i_tmp = var_GetInteger( p_enc, ENC_CFG_PREFIX ENC_DWTINTER );
- if( i_tmp > -1 )
- p_sys->ctx.enc_params.inter_wlt_filter = i_tmp;
-
- i_tmp = var_GetInteger( p_enc, ENC_CFG_PREFIX ENC_DWTDEPTH );
- if( i_tmp > -1 )
- p_sys->ctx.enc_params.wlt_depth = i_tmp;
-
- i_tmp = var_GetInteger( p_enc, ENC_CFG_PREFIX ENC_MULTIQUANT );
- if( i_tmp > -1 )
- p_sys->ctx.enc_params.multi_quants = i_tmp;
-
- i_tmp = var_GetInteger( p_enc, ENC_CFG_PREFIX ENC_SPARTITION );
- if( i_tmp > -1 )
- p_sys->ctx.enc_params.spatial_partition = i_tmp;
-
- p_sys->ctx.enc_params.using_ac = !var_GetBool( p_enc, ENC_CFG_PREFIX ENC_NOAC );
-
- f_tmp = var_GetFloat( p_enc, ENC_CFG_PREFIX ENC_CPD );
- if( f_tmp > -1 )
- p_sys->ctx.enc_params.cpd = f_tmp;
-
- /* Allocate the buffer for inputing frames into the encoder */
- if( ( p_sys->p_buffer_in = malloc( p_sys->i_buffer_in ) ) == NULL )
- {
- CloseEncoder( p_this );
- return VLC_ENOMEM;
- }
-
- /* Set up output buffer */
- /* Unfortunately it isn't possible to determine if the buffer
- * is too small (and then reallocate it) */
- p_sys->i_buffer_out = 4096 + p_sys->i_buffer_in;
- if( ( p_sys->p_buffer_out = malloc( p_sys->i_buffer_out ) ) == NULL )
- {
- CloseEncoder( p_this );
- return VLC_ENOMEM;
- }
-
- return VLC_SUCCESS;
-error:
- CloseEncoder( p_this );
- return VLC_EGENERIC;
-}
-
-/* Attempt to find dirac picture number in an encapsulation unit */
-static int ReadDiracPictureNumber( uint32_t *p_picnum, block_t *p_block )
-{
- uint32_t u_pos = 4;
- /* protect against falling off the edge */
- while( u_pos + 13 < p_block->i_buffer )
- {
- /* find the picture startcode */
- if( p_block->p_buffer[u_pos] & 0x08 )
- {
- *p_picnum = GetDWBE( p_block->p_buffer + u_pos + 9 );
- return 1;
- }
- /* skip to the next dirac data unit */
- uint32_t u_npo = GetDWBE( p_block->p_buffer + u_pos + 1 );
- assert( u_npo <= UINT32_MAX - u_pos );
- if( u_npo == 0 )
- u_npo = 13;
- u_pos += u_npo;
- }
- return 0;
-}
-
-/****************************************************************************
- * Encode: the whole thing
- ****************************************************************************
- * This function spits out encapsulation units.
- ****************************************************************************/
-static block_t *Encode( encoder_t *p_enc, picture_t *p_pic )
-{
- encoder_sys_t *p_sys = p_enc->p_sys;
- block_t *p_block, *p_output_chain = NULL;
- int i_plane, i_line, i_width, i_src_stride;
- uint8_t *p_dst;
-
- if( !p_pic ) return NULL;
- /* we only know if the sequence is interlaced when the first
- * picture arrives, so final setup is done here */
- /* XXX todo, detect change of interlace */
- p_sys->ctx.src_params.topfieldfirst = p_pic->b_top_field_first;
- p_sys->ctx.src_params.source_sampling = !p_pic->b_progressive;
-
- if( p_sys->b_auto_field_coding )
- p_sys->ctx.enc_params.picture_coding_mode = !p_pic->b_progressive;
-
- if( !p_sys->p_dirac )
- {
- date_t date;
- /* Initialise the encoder with the encoder context */
- p_sys->p_dirac = dirac_encoder_init( &p_sys->ctx, 0 );
- if( !p_sys->p_dirac )
- {
- msg_Err( p_enc, "Failed to initialize dirac encoder" );
- return NULL;
- }
- date_Init( &date, p_enc->fmt_in.video.i_frame_rate, p_enc->fmt_in.video.i_frame_rate_base );
-#if DIRAC_RESEARCH_VERSION_ATLEAST(1,0,2)
- int i_delayinpics = dirac_encoder_pts_offset( p_sys->p_dirac );
- i_delayinpics /= p_sys->ctx.enc_params.picture_coding_mode + 1;
- date_Increment( &date, i_delayinpics );
-#else
- date_Increment( &date, 1 );
-#endif
- p_sys->i_pts_offset = date_Get( &date );
-
- /* picture_coding_mode = 1 == FIELD_CODING, two pictures are produced
- * for each frame input. Calculate time between fields for offsetting
- * the second field later. */
- if( 1 == p_sys->ctx.enc_params.picture_coding_mode )
- {
- date_Set( &date, 0 );
- date_Increment( &date, 1 );
- p_sys->i_field_time = date_Get( &date ) / 2;
- }
- }
-
- /* Copy input picture into encoder input buffer (stride by stride) */
- /* Would be lovely to just pass the picture in, but there is noway for the
- * library to free it */
- p_dst = p_sys->p_buffer_in;
- for( i_plane = 0; i_plane < p_pic->i_planes; i_plane++ )
- {
- uint8_t *p_src = p_pic->p[i_plane].p_pixels;
- i_width = p_pic->p[i_plane].i_visible_pitch;
- i_src_stride = p_pic->p[i_plane].i_pitch;
-
- for( i_line = 0; i_line < p_pic->p[i_plane].i_visible_lines; i_line++ )
- {
- memcpy( p_dst, p_src, i_width );
- p_dst += i_width;
- p_src += i_src_stride;
- }
- }
-
- /* Load one frame of data into encoder */
- if( dirac_encoder_load( p_sys->p_dirac, p_sys->p_buffer_in,
- p_sys->i_buffer_in ) < 0 )
- {
- msg_Dbg( p_enc, "dirac_encoder_load() error" );
- return NULL;
- }
-
- /* store pts in a lookaside buffer, so that the same pts may
- * be used for the picture in coded order */
- StorePicturePTS( p_enc, p_sys->i_input_picnum, p_pic->date );
- p_sys->i_input_picnum++;
-
- /* store dts in a queue, so that they appear in order in
- * coded order */
- p_block = block_Alloc( 1 );
- if( !p_block )
- return NULL;
- p_block->i_dts = p_pic->date - p_sys->i_pts_offset;
- block_FifoPut( p_sys->p_dts_fifo, p_block );
- p_block = NULL;
-
- /* for field coding mode, insert an extra value into both the
- * pts lookaside buffer and dts queue, offset to correspond
- * to a one field delay. */
- if( 1 == p_sys->ctx.enc_params.picture_coding_mode )
- {
- StorePicturePTS( p_enc, p_sys->i_input_picnum, p_pic->date + p_sys->i_field_time );
- p_sys->i_input_picnum++;
-
- p_block = block_Alloc( 1 );
- if( !p_block )
- return NULL;
- p_block->i_dts = p_pic->date - p_sys->i_pts_offset + p_sys->i_field_time;
- block_FifoPut( p_sys->p_dts_fifo, p_block );
- p_block = NULL;
- }
-
- dirac_encoder_state_t state;
- /* Retrieve encoded frames from encoder */
- do
- {
- p_sys->p_dirac->enc_buf.buffer = p_sys->p_buffer_out;
- p_sys->p_dirac->enc_buf.size = p_sys->i_buffer_out;
- state = dirac_encoder_output( p_sys->p_dirac );
- switch( state )
- {
- case ENC_STATE_AVAIL: {
- uint32_t pic_num;
-
- /* extract data from encoder temporary buffer. */
- p_block = block_Alloc( p_sys->p_dirac->enc_buf.size );
- if( !p_block )
- return NULL;
- memcpy( p_block->p_buffer, p_sys->p_dirac->enc_buf.buffer,
- p_sys->p_dirac->enc_buf.size );
-
- /* if some flags were set for a previous block, prevent
- * them from getting lost */
- if( p_sys->p_chain )
- p_block->i_flags |= p_sys->p_chain->i_flags;
-
- /* store all extracted blocks in a chain and gather up when an
- * entire encapsulation unit is avaliable (ends with a picture) */
- block_ChainAppend( &p_sys->p_chain, p_block );
-
- /* Presence of a Sequence header indicates a seek point */
- if( 0 == p_block->p_buffer[4] )
- {
- p_block->i_flags |= BLOCK_FLAG_TYPE_I;
-
- if( !p_enc->fmt_out.p_extra ) {
- const uint8_t eos[] = { 'B','B','C','D',0x10,0,0,0,13,0,0,0,0 };
- uint32_t len = GetDWBE( p_block->p_buffer + 5 );
- /* if it hasn't been done so far, stash a copy of the
- * sequence header for muxers such as ogg */
- /* The OggDirac spec advises that a Dirac EOS DataUnit
- * is appended to the sequence header to allow guard
- * against poor streaming servers */
- /* XXX, should this be done using the packetizer ? */
- p_enc->fmt_out.p_extra = malloc( len + sizeof(eos) );
- if( !p_enc->fmt_out.p_extra )
- return NULL;
- memcpy( p_enc->fmt_out.p_extra, p_block->p_buffer, len);
- memcpy( (uint8_t*)p_enc->fmt_out.p_extra + len, eos, sizeof(eos) );
- SetDWBE( (uint8_t*)p_enc->fmt_out.p_extra + len + 10, len );
- p_enc->fmt_out.i_extra = len + sizeof(eos);
- }
- }
-
- if( ReadDiracPictureNumber( &pic_num, p_block ) )
- {
- /* Finding a picture terminates an ecapsulation unit, gather
- * all data and output; use the next dts value queued up
- * and find correct pts in the tlb */
- p_block = block_FifoGet( p_sys->p_dts_fifo );
- p_sys->p_chain->i_dts = p_block->i_dts;
- p_sys->p_chain->i_pts = GetPicturePTS( p_enc, pic_num );
- block_Release( p_block );
- block_ChainAppend( &p_output_chain, block_ChainGather( p_sys->p_chain ) );
- p_sys->p_chain = NULL;
- } else {
- p_block = NULL;
- }
- break;
- }
-
- case ENC_STATE_BUFFER:
- break;
- case ENC_STATE_INVALID:
- default:
- break;
- }
- } while( state == ENC_STATE_AVAIL );
-
- return p_output_chain;
-}
-
-/*****************************************************************************
- * CloseEncoder: dirac encoder destruction
- *****************************************************************************/
-static void CloseEncoder( vlc_object_t *p_this )
-{
- encoder_t *p_enc = (encoder_t *)p_this;
- encoder_sys_t *p_sys = p_enc->p_sys;
-
- /* Free the encoder resources */
- if( p_sys->p_dirac )
- dirac_encoder_close( p_sys->p_dirac );
-
- free( p_sys->p_buffer_in );
- free( p_sys->p_buffer_out );
-
- if( p_sys->p_dts_fifo )
- block_FifoRelease( p_sys->p_dts_fifo );
- block_ChainRelease( p_sys->p_chain );
-
- free( p_sys );
-}
projects / vlc / commitdiff