mirror of https://github.com/mpv-player/mpv
2737 lines
70 KiB
C
2737 lines
70 KiB
C
/*
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* This file is part of MPlayer.
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*
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* MPlayer is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* MPlayer 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with MPlayer; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <inttypes.h>
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#include <string.h>
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#include <sys/types.h>
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#include "config.h"
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#include "mp_msg.h"
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#include "help_mp.h"
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#include "aviheader.h"
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#include "ms_hdr.h"
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#include "stream/stream.h"
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#include "muxer.h"
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#include "demuxer.h"
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#include "demux_ts.h"
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#include "stheader.h"
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#include "m_option.h"
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#include "aac_hdr.h"
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#include "mpeg_hdr.h"
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#include "mp3_hdr.h"
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#ifdef CONFIG_LIBA52
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#include <a52dec/a52.h>
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#endif
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#define PACK_HEADER_START_CODE 0x01ba
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#define SYSTEM_HEADER_START_CODE 0x01bb
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#define PSM_START_CODE 0x01bc
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#define PES_PRIVATE1 0x01bd
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#define PES_PRIVATE2 0x01bf
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#define MUX_MPEG1 1
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#define MUX_MPEG2 2
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#define VIDEO_MPEG1 0x10000001
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#define VIDEO_MPEG2 0x10000002
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#define AUDIO_MP2 0x50
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#define AUDIO_MP3 0x55
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#define AUDIO_A52 0x2000
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#define AUDIO_LPCM 0x10001 /* only a placeholder at the moment */
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#define AUDIO_AAC1 0x706D
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//#define AUDIO_AAC2 (short) mmioFOURCC('m','p','4','a')
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#define AUDIO_AAC2 0x504D
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#define ASPECT_1_1 1
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#define ASPECT_4_3 2
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#define ASPECT_16_9 3
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#define ASPECT_2_21_1 4
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#define FRAMERATE_23976 1
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#define FRAMERATE_24 2
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#define FRAMERATE_25 3
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#define FRAMERATE_2997 4
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#define FRAMERATE_30 5
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#define FRAMERATE_50 6
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#define FRAMERATE_5994 7
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#define FRAMERATE_60 8
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static char ftypes[] = {'?', 'I', 'P', 'B'};
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#define FTYPE(x) (ftypes[(x)])
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static const char *framerates[] = {
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"unchanged", "23.976", "24", "25", "29.97", "30", "50", "59.94", "60"
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};
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static const char *aspect_ratios[] = {
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"unchanged", "1/1", "4/3", "16/9", "2.21/1"
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};
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static char *conf_mux = "mpeg2";
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static uint16_t conf_packet_size = 0; //dvd
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static uint32_t conf_muxrate = 0; //kb/s
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static float conf_vaspect = 0;
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static float conf_vframerate = 0;
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static uint32_t conf_vwidth = 0, conf_vheight = 0, conf_panscan_width = 0, conf_panscan_height = 0;
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static uint32_t conf_vbitrate = 0;
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static int conf_init_vpts = 200, conf_init_apts = 200;
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static int conf_ts_allframes = 0;
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static int conf_init_adelay = 0, conf_init_vdelay = 0;
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static int conf_abuf_size = 0;
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static int conf_vbuf_size = 0;
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static int conf_drop = 0;
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static int conf_telecine = 0;
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static int conf_interleaving2 = 0;
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static float conf_telecine_src = 0;
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static float conf_telecine_dest = 0;
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enum FRAME_TYPE {
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I_FRAME = 1,
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P_FRAME = 2,
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B_FRAME = 3
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};
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typedef struct {
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uint8_t *buffer;
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size_t size;
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size_t alloc_size;
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uint8_t type;
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uint64_t pts, dts, idur;
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uint32_t pos; //start offset for the frame
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} mpeg_frame_t;
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typedef struct {
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uint8_t cnt; // how many entries we use
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struct {
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uint8_t id, type;
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uint32_t bufsize;
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uint32_t format;
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} streams[50]; //16 video + 16 audio mpa + 16 audio private + bd/bf for dvd
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} sys_info_t;
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typedef struct {
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uint8_t cnt; // how many entries we use
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struct {
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uint8_t id;
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uint8_t type;
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uint32_t format;
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} streams[50]; //16 video + 16 audio mpa + 16 audio private + bd/bf for dvd
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} psm_info_t;
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typedef struct {
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int size;
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uint64_t dts;
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} buffer_track_t;
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typedef struct {
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uint64_t dts, pts;
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uint64_t frame_dts, frame_pts;
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int len, stflen;
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} pack_stats_t;
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typedef struct {
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int mux;
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sys_info_t sys_info;
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psm_info_t psm_info;
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uint16_t packet_size;
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int is_dvd, is_xvcd, is_xsvcd, is_genmpeg1, is_genmpeg2, rawpes, ts_allframes, has_video, has_audio;
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int update_system_header, use_psm;
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off_t headers_size, data_size;
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uint64_t scr;
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uint64_t delta_scr;
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uint64_t last_psm_scr;
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uint32_t muxrate;
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uint8_t *buff;
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uint32_t headers_cnt;
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double init_adelay;
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int drop;
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//video patching parameters
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uint8_t vaspect, vframerate;
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uint16_t vwidth, vheight, panscan_width, panscan_height;
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uint32_t vbitrate;
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int patch_seq, patch_sde;
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int psm_streams_cnt;
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//2 million frames are enough
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#define MAX_PATTERN_LENGTH 2000000
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uint8_t bff_mask[MAX_PATTERN_LENGTH];
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} muxer_priv_t;
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typedef struct {
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int has_pts, has_dts, pes_is_aligned, type, min_pes_hlen;
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int delay_rff;
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uint64_t pts, last_pts, last_dts, dts, size, frame_duration, delta_pts, nom_delta_pts, last_saved_pts;
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uint32_t buffer_size;
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double delta_clock, timer;
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int drop_delayed_frames;
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mpeg_frame_t *framebuf;
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uint16_t framebuf_cnt;
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uint16_t framebuf_used;
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int32_t last_tr;
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int max_tr;
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uint8_t id, is_mpeg12, telecine;
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uint64_t vframes;
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int64_t display_frame;
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mp_mpeg_header_t picture;
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int max_buffer_size;
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buffer_track_t *buffer_track;
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int track_pos, track_len, track_bufsize; //pos and len control the array, bufsize is the size of the buffer
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unsigned char *pack;
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int pack_offset, pes_offset, pes_set, payload_offset;
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int frames;
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int last_frame_rest; //the rest of the previous frame
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int is_ready;
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int mpa_layer;
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} muxer_headers_t;
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#define PULLDOWN32 1
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#define TELECINE_FILM2PAL 2
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#define TELECINE_DGPULLDOWN 3
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const m_option_t mpegopts_conf[] = {
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{"format", &(conf_mux), CONF_TYPE_STRING, M_OPT_GLOBAL, 0 ,0, NULL},
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{"size", &(conf_packet_size), CONF_TYPE_INT, M_OPT_GLOBAL|M_OPT_RANGE, 0, 65535, NULL},
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{"muxrate", &(conf_muxrate), CONF_TYPE_INT, M_OPT_GLOBAL|M_OPT_RANGE, 0, 12000000, NULL}, //12 Mb/s
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{"vaspect", &(conf_vaspect), CONF_TYPE_FLOAT, M_OPT_GLOBAL, 0, 0, NULL},
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{"vframerate", &(conf_vframerate), CONF_TYPE_FLOAT, M_OPT_GLOBAL, 0, 0, NULL},
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{"vwidth", &(conf_vwidth), CONF_TYPE_INT, M_OPT_GLOBAL|M_OPT_RANGE, 1, 4095, NULL},
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{"vheight", &(conf_vheight), CONF_TYPE_INT, M_OPT_GLOBAL|M_OPT_RANGE, 1, 4095, NULL},
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{"vpswidth", &(conf_panscan_width), CONF_TYPE_INT, M_OPT_GLOBAL|M_OPT_RANGE, 1, 16383, NULL},
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{"vpsheight", &(conf_panscan_height), CONF_TYPE_INT, M_OPT_GLOBAL|M_OPT_RANGE, 1, 16383, NULL},
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{"vbitrate", &(conf_vbitrate), CONF_TYPE_INT, M_OPT_GLOBAL|M_OPT_RANGE, 1, 104857599, NULL},
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{"vdelay", &conf_init_vdelay, CONF_TYPE_INT, M_OPT_GLOBAL|M_OPT_RANGE, 0, 32760, NULL},
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{"adelay", &conf_init_adelay, CONF_TYPE_INT, M_OPT_GLOBAL|M_OPT_RANGE, 0, 32760, NULL},
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{"vbuf_size", &conf_vbuf_size, CONF_TYPE_INT, M_OPT_GLOBAL|M_OPT_RANGE, 40, 1194, NULL},
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{"abuf_size", &conf_abuf_size, CONF_TYPE_INT, M_OPT_GLOBAL|M_OPT_RANGE, 4, 64, NULL},
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{"drop", &conf_drop, CONF_TYPE_FLAG, M_OPT_GLOBAL, 0, 1, NULL},
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{"tsaf", &conf_ts_allframes, CONF_TYPE_FLAG, M_OPT_GLOBAL, 0, 1, NULL},
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{"telecine", &conf_telecine, CONF_TYPE_FLAG, M_OPT_GLOBAL, 0, PULLDOWN32, NULL},
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{"interleaving2", &conf_interleaving2, CONF_TYPE_FLAG, M_OPT_GLOBAL, 0, 1, NULL},
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{"film2pal", &conf_telecine, CONF_TYPE_FLAG, M_OPT_GLOBAL, 0, TELECINE_FILM2PAL, NULL},
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{"tele_src", &(conf_telecine_src), CONF_TYPE_FLOAT, M_OPT_GLOBAL, 0, 0, NULL},
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{"tele_dest", &(conf_telecine_dest), CONF_TYPE_FLOAT, M_OPT_GLOBAL, 0, 0, NULL},
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{NULL, NULL, 0, 0, 0, 0, NULL}
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};
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static void fix_audio_sys_header(muxer_priv_t *priv, uint8_t id, uint8_t newid, uint32_t size)
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{
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uint8_t i;
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for(i = 0; i < priv->sys_info.cnt; i++)
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{
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if(priv->sys_info.streams[i].id == id)
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{
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priv->sys_info.streams[i].id = newid;
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priv->sys_info.streams[i].type = 1;
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priv->sys_info.streams[i].bufsize = size;
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}
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}
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}
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static inline int is_mpeg1(uint32_t x)
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{
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return
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(x == 0x10000001) ||
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(x == mmioFOURCC('m','p','g','1')) ||
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(x == mmioFOURCC('M','P','G','1'));
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}
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static inline int is_mpeg2(uint32_t x)
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{
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return
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(x == 0x10000002) ||
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(x == mmioFOURCC('m','p','g','2')) ||
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(x == mmioFOURCC('M','P','G','2')) ||
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(x == mmioFOURCC('m','p','e','g')) ||
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(x == mmioFOURCC('M','P','E','G'));
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}
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static inline int is_mpeg4(uint32_t x)
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{
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return
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(x == 0x10000004) ||
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(x == mmioFOURCC('d','i','v','x')) ||
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(x == mmioFOURCC('D','I','V','X')) ||
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(x == mmioFOURCC('x','v','i','d')) ||
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(x == mmioFOURCC('X','V','I','D')) ||
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(x == mmioFOURCC('X','v','i','D')) ||
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(x == mmioFOURCC('x','v','i','x')) ||
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(x == mmioFOURCC('X','V','I','X')) ||
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(x == mmioFOURCC('m','p','4','v')) ||
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(x == mmioFOURCC('M','P','4','V')) ||
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(x == mmioFOURCC('F', 'M','P','4')) ||
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(x == mmioFOURCC('f', 'm','p','4')) ||
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(x == mmioFOURCC('D', 'X','5','0')) ||
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(x == mmioFOURCC('d', 'x','5','0'));
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}
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//from unrarlib.c
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static uint32_t CalcCRC32(uint8_t *buff, uint32_t size)
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{
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uint32_t i, j, CRCTab[256], crc;
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for(i = 0;i < 256; i++)
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{
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for(crc = i, j = 0; j < 8; j++)
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crc= (crc & 1) ? (crc >> 1)^0xEDB88320L : (crc >> 1);
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CRCTab[i] = crc;
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}
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crc = 0xffffffff;
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for(i = 0; i < size; i++)
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crc = (crc << 8) ^ CRCTab[((crc >> 24) ^ buff[i]) & 0xff];
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return crc;
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}
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static void add_to_psm(muxer_priv_t *priv, uint8_t id, uint32_t format)
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{
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uint8_t i;
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i = priv->psm_info.cnt;
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priv->psm_info.streams[i].id = id;
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priv->psm_info.streams[i].format = format;
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if(is_mpeg1(format))
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priv->psm_info.streams[i].type = 0x01;
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else if(is_mpeg2(format))
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priv->psm_info.streams[i].type = 0x02;
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else if(is_mpeg4(format))
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priv->psm_info.streams[i].type = 0x10;
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else if(format == AUDIO_MP2 || format == AUDIO_MP3)
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priv->psm_info.streams[i].type = 0x03;
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else if(format == AUDIO_AAC1 || format == AUDIO_AAC2)
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priv->psm_info.streams[i].type = 0x0f;
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else
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priv->psm_info.streams[i].type = 0x81;
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if(format == AUDIO_A52)
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memcpy((char*) &(priv->psm_info.streams[i].format), "AC-3", 4);
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priv->psm_info.cnt++;
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}
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static mpeg_frame_t *init_frames(uint16_t num, size_t size)
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{
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mpeg_frame_t *tmp;
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uint16_t i;
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tmp = calloc(num, sizeof(mpeg_frame_t));
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if(tmp == NULL)
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return NULL;
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for(i=0; i < num; i++)
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{
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tmp[i].buffer = calloc(1, size);
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if(tmp[i].buffer == NULL)
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return NULL;
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tmp[i].size = 0;
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tmp[i].pos = 0;
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tmp[i].alloc_size = size;
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tmp[i].pts = 0;
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}
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return tmp;
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}
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static int add_frame(muxer_headers_t *spriv, uint64_t idur, uint8_t *ptr, int len, uint8_t pt, uint64_t dts, uint64_t pts);
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static muxer_stream_t* mpegfile_new_stream(muxer_t *muxer,int type){
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muxer_priv_t *priv = (muxer_priv_t*) muxer->priv;
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muxer_stream_t *s;
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muxer_headers_t *spriv;
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if (!muxer) return NULL;
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if(muxer->avih.dwStreams>=MUXER_MAX_STREAMS){
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mp_msg(MSGT_MUXER, MSGL_ERR, "Too many streams! increase MUXER_MAX_STREAMS !\n");
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return NULL;
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}
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switch (type) {
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case MUXER_TYPE_VIDEO:
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if (muxer->num_videos >= 16) {
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mp_msg(MSGT_MUXER, MSGL_ERR, "MPEG files can't contain more than 16 video streams!\n");
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return NULL;
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}
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break;
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case MUXER_TYPE_AUDIO:
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if (muxer->num_audios >= 16) {
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mp_msg(MSGT_MUXER, MSGL_ERR, "MPEG files can't contain more than 16 audio streams!\n");
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return NULL;
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}
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break;
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default:
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mp_msg(MSGT_MUXER, MSGL_ERR, "Unknown stream type!\n");
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return NULL;
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}
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s = calloc(1, sizeof(muxer_stream_t));
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if(!s) return NULL; // no mem!?
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if (!(s->b_buffer = malloc(priv->packet_size)))
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goto init_fail;
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s->b_buffer_size = priv->packet_size;
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s->b_buffer_ptr = 0;
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s->b_buffer_len = 0;
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s->priv = calloc(1, sizeof(muxer_headers_t));
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if(s->priv == NULL)
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goto init_fail;
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spriv = (muxer_headers_t *) s->priv;
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spriv->pack = malloc(priv->packet_size);
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if(! spriv->pack)
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goto init_fail;
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spriv->buffer_track = calloc(1, 4096*sizeof(buffer_track_t));
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if(!spriv->buffer_track)
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goto init_fail;
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spriv->track_pos = 0;
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spriv->track_len = 4096;
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muxer->streams[muxer->avih.dwStreams]=s;
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s->type=type;
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s->id=muxer->avih.dwStreams;
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s->muxer=muxer;
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if (type == MUXER_TYPE_VIDEO) {
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spriv->type = 1;
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spriv->last_pts = conf_init_vpts * 90 * 300;
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if(conf_init_vdelay) {
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spriv->last_dts += conf_init_vdelay * 90 * 300;
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spriv->last_pts += conf_init_vdelay * 90 * 300;
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}
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spriv->id = 0xe0 + muxer->num_videos;
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s->ckid = be2me_32 (0x100 + spriv->id);
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if(priv->is_genmpeg1 || priv->is_genmpeg2) {
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int v = (conf_vbuf_size ? conf_vbuf_size*1024 :
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(s->h.dwSuggestedBufferSize ? s->h.dwSuggestedBufferSize : 46*1024));
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int n = priv->sys_info.cnt;
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priv->sys_info.streams[n].id = spriv->id;
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priv->sys_info.streams[n].type = 1;
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priv->sys_info.streams[n].bufsize = v;
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priv->sys_info.cnt++;
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}
|
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muxer->num_videos++;
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priv->has_video++;
|
|
s->h.fccType=streamtypeVIDEO;
|
|
if(!muxer->def_v) muxer->def_v=s;
|
|
spriv->framebuf_cnt = 30;
|
|
spriv->framebuf_used = 0;
|
|
spriv->framebuf = init_frames(spriv->framebuf_cnt, (size_t) 5000);
|
|
if(spriv->framebuf == NULL) {
|
|
mp_msg(MSGT_MUXER, MSGL_FATAL, "Couldn't allocate initial frames structure, abort!\n");
|
|
goto init_fail;
|
|
}
|
|
memset(&(spriv->picture), 0, sizeof(spriv->picture));
|
|
if(priv->is_xvcd)
|
|
spriv->min_pes_hlen = 18;
|
|
else if(priv->is_xsvcd)
|
|
spriv->min_pes_hlen = 22;
|
|
spriv->telecine = conf_telecine;
|
|
mp_msg (MSGT_MUXER, MSGL_DBG2, "Added video stream %d, ckid=%X\n", muxer->num_videos, s->ckid);
|
|
} else { // MUXER_TYPE_AUDIO
|
|
spriv->type = 0;
|
|
spriv->drop_delayed_frames = conf_drop;
|
|
spriv->last_pts = conf_init_apts * 90 * 300;
|
|
if(conf_init_adelay && ! spriv->drop_delayed_frames)
|
|
spriv->last_pts += conf_init_adelay * 90 * 300;
|
|
spriv->pts = spriv->last_pts;
|
|
spriv->id = 0xc0 + muxer->num_audios;
|
|
s->ckid = be2me_32 (0x100 + spriv->id);
|
|
if(priv->is_genmpeg1 || priv->is_genmpeg2) {
|
|
int a1 = (conf_abuf_size ? conf_abuf_size*1024 :
|
|
(s->h.dwSuggestedBufferSize ? s->h.dwSuggestedBufferSize : 4*1024));
|
|
int n = priv->sys_info.cnt;
|
|
|
|
priv->sys_info.streams[n].id = spriv->id;
|
|
priv->sys_info.streams[n].type = 0;
|
|
priv->sys_info.streams[n].bufsize = a1;
|
|
priv->sys_info.cnt++;
|
|
}
|
|
if(priv->is_xvcd)
|
|
spriv->min_pes_hlen = 13;
|
|
else if(priv->is_xsvcd)
|
|
spriv->min_pes_hlen = 17;
|
|
|
|
muxer->num_audios++;
|
|
priv->has_audio++;
|
|
s->h.fccType=streamtypeAUDIO;
|
|
|
|
spriv->framebuf_cnt = 30;
|
|
spriv->framebuf_used = 0;
|
|
spriv->framebuf = init_frames(spriv->framebuf_cnt, (size_t) 2048);
|
|
if(spriv->framebuf == NULL) {
|
|
mp_msg(MSGT_MUXER, MSGL_FATAL, "Couldn't allocate initial frames structure, abort!\n");
|
|
goto init_fail;
|
|
}
|
|
|
|
mp_msg (MSGT_MUXER, MSGL_DBG2, "Added audio stream %d, ckid=%X\n", s->id - muxer->num_videos + 1, s->ckid);
|
|
}
|
|
muxer->avih.dwStreams++;
|
|
return s;
|
|
|
|
init_fail:
|
|
if(s)
|
|
{
|
|
if(s->priv)
|
|
{
|
|
spriv = s->priv;
|
|
if(spriv->pack)
|
|
free(spriv->pack);
|
|
if(spriv->buffer_track)
|
|
free(spriv->buffer_track);
|
|
free(s->priv);
|
|
}
|
|
if(s->b_buffer)
|
|
free(s->b_buffer);
|
|
free(s);
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
static void write_mpeg_ts(unsigned char *b, uint64_t ts, uint8_t mod) {
|
|
ts /= 300;
|
|
b[0] = mod | ((ts >> 29) & 0xf) | 1;
|
|
b[1] = (ts >> 22) & 0xff;
|
|
b[2] = ((ts >> 14) & 0xff) | 1;
|
|
b[3] = (ts >> 7) & 0xff;
|
|
b[4] = ((ts << 1) & 0xff) | 1;
|
|
}
|
|
|
|
|
|
static void write_mpeg_rate(int type, unsigned char *b, unsigned int rate)
|
|
{
|
|
rate = ((rate*8)+399) / 400;
|
|
|
|
if(type == MUX_MPEG1)
|
|
{
|
|
b[0] = ((rate >> 15) & 0x7f) | 0x80;
|
|
b[1] = (rate >> 7) & 0xff;
|
|
b[2] = ((rate << 1) & 0xff) | 1;
|
|
}
|
|
else
|
|
{
|
|
b[0] = (rate >> 14);
|
|
b[1] = (rate >> 6) & 0xff;
|
|
b[2] = ((rate & 0x3f) << 2) | 0x03;
|
|
}
|
|
}
|
|
|
|
|
|
static void write_mpeg_std(unsigned char *b, unsigned int size, unsigned int type, uint8_t mod)
|
|
{
|
|
//type = 0:mpeg audio/128, 1:video and pes private streams (including ac3/dts/lpcm)/1024
|
|
if(type == 0) //audio
|
|
size = (size + 127) / 128;
|
|
else //video or other
|
|
size = ((size + 1023) / 1024);
|
|
|
|
if(! size)
|
|
size++;
|
|
|
|
b[0] = ((size >> 8) & 0x3f) | (type==1 ? 0x60 : 0x40) | mod;
|
|
b[1] = size & 0xff;
|
|
}
|
|
|
|
static void write_mpeg2_scr(unsigned char *b, uint64_t ts)
|
|
{
|
|
uint16_t t1, t2, t3, scr_ext;
|
|
scr_ext = ts % 300ULL;
|
|
ts /= 300ULL;
|
|
ts &= 0x1FFFFFFFFULL; //33 bits
|
|
t1 = (ts >> 30) & 0x7;
|
|
t2 = (ts >> 15) & 0x7fff;
|
|
t3 = ts & 0x7fff;
|
|
|
|
b[0] = (t1 << 3 ) | 0x44 | ((t2 >> 13) & 0x3);
|
|
b[1] = (t2 >> 5);
|
|
b[2] = (t2 & 0x1f) << 3 | 0x4 | ((t3 >> 13) & 0x3);
|
|
b[3] = (t3 >> 5);
|
|
b[4] = (t3 & 0x1f) << 3 | ((scr_ext >> 7) & 0x03) | 0x4;
|
|
b[5] = ((scr_ext << 1) & 0xFF) | 1;
|
|
}
|
|
|
|
|
|
static int write_mpeg_pack_header(muxer_t *muxer, char *buff)
|
|
{
|
|
int len;
|
|
muxer_priv_t *priv;
|
|
|
|
priv = (muxer_priv_t *) muxer->priv;
|
|
*(uint32_t *)buff = be2me_32(PACK_HEADER_START_CODE);
|
|
if(priv->mux==MUX_MPEG1)
|
|
{
|
|
write_mpeg_ts(&buff[4], priv->scr, 0x20); // 0010 and SCR
|
|
write_mpeg_rate(priv->mux, &buff[9], muxer->sysrate);
|
|
len = 12;
|
|
}
|
|
else
|
|
{
|
|
write_mpeg2_scr(&buff[4], priv->scr); // 0010 and SCR
|
|
write_mpeg_rate(priv->mux, &buff[10], muxer->sysrate);
|
|
buff[13] = 0xf8; //5 bits reserved + 3 set to 0 to indicate 0 stuffing bytes
|
|
len = 14;
|
|
}
|
|
|
|
return len;
|
|
}
|
|
|
|
|
|
static int write_mpeg_system_header(muxer_t *muxer, char *buff)
|
|
{
|
|
int len;
|
|
uint8_t i;
|
|
muxer_priv_t *priv;
|
|
priv = (muxer_priv_t *) muxer->priv;
|
|
|
|
len = 0;
|
|
*(uint32_t *)(&buff[len]) = be2me_32(SYSTEM_HEADER_START_CODE);
|
|
len += 4;
|
|
*(uint16_t *)(&buff[len]) = 0; //fake length, we'll fix it later
|
|
len += 2;
|
|
write_mpeg_rate(MUX_MPEG1, &buff[len], muxer->sysrate);
|
|
len += 3;
|
|
|
|
buff[len++] = 0x4 | (priv->is_xvcd ? 1 : 0); //1 audio stream bound, no fixed, CSPS only for xvcd
|
|
//stolen from libavformat
|
|
if(priv->is_xvcd || priv->is_dvd)
|
|
buff[len++] = 0xe1; //system_audio_lock, system_video_lock, marker, 1 video stream bound
|
|
else
|
|
buff[len++] = 0x21; //marker, 1 video stream bound
|
|
|
|
buff[len++] = ((priv->mux == MUX_MPEG1) ? 0xff : 0x7f); //in mpeg2 there's the packet rate restriction
|
|
|
|
for(i = 0; i < priv->sys_info.cnt; i++)
|
|
{
|
|
buff[len++] = priv->sys_info.streams[i].id;
|
|
write_mpeg_std(&buff[len], priv->sys_info.streams[i].bufsize, priv->sys_info.streams[i].type,
|
|
(priv->sys_info.streams[i].type == 1 ? 0xe0: 0xc0));
|
|
len += 2;
|
|
}
|
|
|
|
*(uint16_t *)(&buff[4]) = be2me_16(len - 6); // length field fixed
|
|
|
|
return len;
|
|
}
|
|
|
|
static int write_mpeg_psm(muxer_t *muxer, char *buff)
|
|
{
|
|
int len;
|
|
uint8_t i;
|
|
uint16_t dlen;
|
|
muxer_priv_t *priv;
|
|
priv = (muxer_priv_t *) muxer->priv;
|
|
|
|
len = 0;
|
|
*(uint32_t *)(&buff[len]) = be2me_32(PSM_START_CODE);
|
|
len += 4;
|
|
*(uint16_t *)(&buff[len]) = 0; //fake length, we'll fix it later
|
|
len += 2;
|
|
buff[len++] = 0xe0; //1 current, 2 bits reserved, 5 version 0
|
|
buff[len++] = 0xff; //7 reserved, 1 marker
|
|
buff[len] = buff[len+1] = 0; //length of the program descriptors (unused)
|
|
len += 2;
|
|
*(uint16_t *)(&buff[len]) = 0; //length of the es descriptors
|
|
len += 2;
|
|
|
|
dlen = 0;
|
|
for(i = 0; i < priv->psm_info.cnt; i++)
|
|
{
|
|
if(
|
|
(priv->psm_info.streams[i].id == 0xbd) ||
|
|
(priv->psm_info.streams[i].id >= 0xe0 && priv->psm_info.streams[i].id <= 0xef) ||
|
|
(priv->psm_info.streams[i].id >= 0xc0 && priv->psm_info.streams[i].id <= 0xcf)
|
|
)
|
|
{
|
|
buff[len++] = priv->psm_info.streams[i].type;
|
|
buff[len++] = priv->psm_info.streams[i].id;
|
|
buff[len++] = 0; //len of descriptor upper ...
|
|
buff[len++] = 0; //... lower
|
|
|
|
dlen += 4;
|
|
}
|
|
}
|
|
*(uint16_t *)(&buff[10]) = be2me_16(dlen); //length of the es descriptors
|
|
|
|
*(uint16_t *)(&buff[4]) = be2me_16(len - 6 + 4); // length field fixed, including size of CRC32
|
|
|
|
*(uint32_t *)(&buff[len]) = be2me_32(CalcCRC32(buff, len));
|
|
|
|
len += 4; //for crc
|
|
|
|
return len;
|
|
}
|
|
|
|
static int psm_is_late(muxer_priv_t *priv)
|
|
{
|
|
return !priv->data_size || (priv->scr >= priv->last_psm_scr + 27000000ULL);
|
|
}
|
|
|
|
static int write_mpeg_pes_header(muxer_headers_t *h, uint8_t *pes_id, uint8_t *buff, uint16_t plen, int stuffing_len, int mux_type)
|
|
{
|
|
int len;
|
|
|
|
len = 0;
|
|
memcpy(&buff[len], pes_id, 4);
|
|
len += 4;
|
|
|
|
buff[len] = buff[len+1] = 0; //fake len
|
|
len += 2;
|
|
|
|
if(mux_type == MUX_MPEG1)
|
|
{
|
|
if(stuffing_len > 0)
|
|
{
|
|
memset(&buff[len], 0xff, stuffing_len);
|
|
len += stuffing_len;
|
|
}
|
|
|
|
if(h->buffer_size > 0)
|
|
{
|
|
write_mpeg_std(&buff[len], h->buffer_size, h->type, 0x40); // 01 is pes1 format
|
|
len += 2;
|
|
}
|
|
}
|
|
else //MPEG2
|
|
{
|
|
buff[len] = (h->pes_is_aligned ? 0x84 : 0x80); //0x10...
|
|
len++;
|
|
buff[len] = ((h->buffer_size > 0) ? 1 : 0) | (h->pts ? (h->dts ? 0xC0 : 0x80) : 0); //pes extension + pts/dts flags
|
|
len++;
|
|
buff[len] = (h->pts ? (h->dts ? 10 : 5) : 0) + ((h->buffer_size > 0) ? 3 : 0) + stuffing_len;//pts + std + stuffing
|
|
len++;
|
|
}
|
|
|
|
|
|
if(h->pts)
|
|
{
|
|
write_mpeg_ts(&buff[len], h->pts, (h->dts ? 0x30 : 0x20)); // 001x and both PTS/DTS
|
|
len += 5;
|
|
|
|
if(h->dts)
|
|
{
|
|
write_mpeg_ts(&buff[len], h->dts, 0x10); // 0001 before DTS
|
|
len += 5;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if(mux_type == MUX_MPEG1)
|
|
{
|
|
buff[len] = 0x0f;
|
|
len += 1;
|
|
}
|
|
}
|
|
|
|
|
|
if(mux_type == MUX_MPEG2)
|
|
{
|
|
if(h->buffer_size > 0)
|
|
{
|
|
buff[len] = 0x1e; //std flag
|
|
len++;
|
|
|
|
write_mpeg_std(&buff[len], h->buffer_size, h->type, 0x40);
|
|
len += 2;
|
|
}
|
|
|
|
if(stuffing_len > 0)
|
|
{
|
|
memset(&buff[len], 0xff, stuffing_len);
|
|
len += stuffing_len;
|
|
}
|
|
}
|
|
|
|
*((uint16_t*) &buff[4]) = be2me_16(len + plen - 6); //fix pes packet size
|
|
return len;
|
|
}
|
|
|
|
|
|
static void write_pes_padding(uint8_t *buff, uint16_t len)
|
|
{
|
|
//6 header bytes + len-6 0xff chars
|
|
buff[0] = buff[1] = 0;
|
|
buff[2] = 1;
|
|
buff[3] = 0xbe;
|
|
*((uint16_t*) &buff[4]) = be2me_16(len - 6);
|
|
memset(&buff[6], 0xff, len - 6);
|
|
}
|
|
|
|
|
|
static int write_nav_pack(uint8_t *buff)
|
|
{
|
|
// concatenation of pes_private2 + 03d4 x 0 and pes_private2 + 03fa x 0
|
|
int len;
|
|
|
|
mp_msg(MSGT_MUXER, MSGL_DBG3, "NAV\n");
|
|
len = 0;
|
|
*(uint32_t *)(&buff[len]) = be2me_32(PES_PRIVATE2);
|
|
len += 4;
|
|
buff[len++] = 0x3;
|
|
buff[len++] = 0xd4;
|
|
memset(&buff[len], 0, 0x03d4);
|
|
len += 0x03d4;
|
|
|
|
*(uint32_t *)(&buff[len]) = be2me_32(PES_PRIVATE2);
|
|
len += 4;
|
|
buff[len++] = 0x3;
|
|
buff[len++] = 0xfa;
|
|
memset(&buff[len], 0, 0x03fa);
|
|
len += 0x03fa;
|
|
|
|
return len;
|
|
}
|
|
|
|
static unsigned int calc_psm_len(muxer_priv_t *priv)
|
|
{
|
|
return 16 + 4*(priv->psm_info.cnt);
|
|
}
|
|
|
|
static uint32_t calc_pes_hlen(int format, muxer_headers_t *h, muxer_priv_t *priv)
|
|
{
|
|
uint32_t len;
|
|
|
|
if(format == MUX_MPEG1)
|
|
len = 6;
|
|
else
|
|
len = 9;
|
|
|
|
if(h->pts)
|
|
{
|
|
len += 5;
|
|
if(h->dts)
|
|
len += 5;
|
|
}
|
|
else if(format == MUX_MPEG1)
|
|
len += 1;
|
|
|
|
if(h->buffer_size > 0)
|
|
{
|
|
if(format == MUX_MPEG2)
|
|
len += 3;
|
|
else
|
|
len += 2;
|
|
}
|
|
|
|
//len = max(h->min_pes_hlen, len);
|
|
|
|
return len;
|
|
}
|
|
|
|
|
|
static int write_mpeg_pack(muxer_t *muxer, muxer_stream_t *s, stream_t *stream, int isoend)
|
|
{
|
|
size_t tot, offset;
|
|
muxer_priv_t *priv;
|
|
unsigned char *buff;
|
|
int stuffing_len;
|
|
|
|
priv = (muxer_priv_t *) muxer->priv;
|
|
buff = priv->buff;
|
|
|
|
if(isoend)
|
|
{
|
|
offset = priv->packet_size - 4;
|
|
write_pes_padding(buff, offset);
|
|
buff[offset + 0] = buff[offset + 1] = 0;
|
|
buff[offset + 2] = 1;
|
|
buff[offset + 3] = 0xb9;
|
|
|
|
stream_write_buffer(stream, buff, priv->packet_size);
|
|
return 1;
|
|
}
|
|
else //FAKE DVD NAV PACK
|
|
{
|
|
offset = write_mpeg_pack_header(muxer, buff);
|
|
offset += write_mpeg_system_header(muxer, &buff[offset]);
|
|
|
|
//priv->update_system_header = 0;
|
|
|
|
if(priv->is_dvd)
|
|
offset += write_nav_pack(&buff[offset]);
|
|
|
|
stuffing_len = priv->packet_size - offset;
|
|
if(stuffing_len > 0)
|
|
{
|
|
//insert a PES padding packet
|
|
write_pes_padding(&buff[offset], stuffing_len);
|
|
offset += stuffing_len;
|
|
}
|
|
|
|
stream_write_buffer(stream, buff, offset);
|
|
priv->headers_size += offset;
|
|
tot = offset;
|
|
muxer->movi_end += tot;
|
|
|
|
return tot;
|
|
}
|
|
}
|
|
|
|
static void update_demux_bufsize(muxer_headers_t *spriv, uint64_t dts, int framelen, int type)
|
|
{
|
|
int dim = (spriv->track_len+16)*sizeof(buffer_track_t);
|
|
|
|
if(spriv->track_pos+1 >= spriv->track_len)
|
|
{
|
|
buffer_track_t *tmp = realloc(spriv->buffer_track, dim);
|
|
if(!tmp)
|
|
{
|
|
mp_msg(MSGT_MUXER, MSGL_ERR, "\r\nERROR, couldn't realloc %d bytes for tracking buffer\r\n", dim);
|
|
return;
|
|
}
|
|
spriv->buffer_track = tmp;
|
|
memset(&(spriv->buffer_track[spriv->track_pos+1]), 0, 16*sizeof(buffer_track_t));
|
|
spriv->track_len += 16;
|
|
}
|
|
|
|
spriv->buffer_track[spriv->track_pos].size = framelen;
|
|
spriv->buffer_track[spriv->track_pos].dts = dts; //must be dts
|
|
|
|
spriv->track_pos++;
|
|
}
|
|
|
|
static void fix_a52_headers(muxer_stream_t *s)
|
|
{
|
|
muxer_headers_t *spriv = s->priv;
|
|
int x = spriv->payload_offset;
|
|
|
|
spriv->pack[x+0] = 0x80;
|
|
spriv->pack[x+1] = spriv->frames;
|
|
if(spriv->frames)
|
|
{
|
|
spriv->pack[x+2] = ((spriv->last_frame_rest+1) >> 8) & 0xff; //256 * 0 ...
|
|
spriv->pack[x+3] = (spriv->last_frame_rest+1) & 0xff; // + 1 byte(s) to skip
|
|
}
|
|
else
|
|
spriv->pack[x+2] = spriv->pack[x+3] = 0;
|
|
}
|
|
|
|
static inline void remove_frames(muxer_headers_t *spriv, int n)
|
|
{
|
|
mpeg_frame_t tmp;
|
|
int i;
|
|
|
|
for(i = n; i < spriv->framebuf_used; i++)
|
|
{
|
|
tmp = spriv->framebuf[i - n];
|
|
spriv->framebuf[i - n] = spriv->framebuf[i];
|
|
spriv->framebuf[i] = tmp;
|
|
}
|
|
spriv->framebuf_used -= n;
|
|
}
|
|
|
|
static int calc_packet_len(muxer_stream_t *s, int psize, int finalize)
|
|
{
|
|
muxer_headers_t *spriv = s->priv;
|
|
int n, len, frpos, m;
|
|
|
|
n = len = 0;
|
|
frpos = spriv->framebuf[0].pos;
|
|
while(len < psize && n < spriv->framebuf_used)
|
|
{
|
|
if(!frpos && len>0 && s->type == MUXER_TYPE_VIDEO && spriv->framebuf[n].type==I_FRAME)
|
|
return len;
|
|
m = FFMIN(spriv->framebuf[n].size - frpos, psize - len);
|
|
len += m;
|
|
frpos += m;
|
|
if(frpos == spriv->framebuf[n].size)
|
|
{
|
|
frpos = 0;
|
|
n++;
|
|
}
|
|
}
|
|
|
|
if(len < psize && !finalize)
|
|
return 0;
|
|
return len;
|
|
}
|
|
|
|
static int find_packet_timestamps(muxer_priv_t *priv, muxer_stream_t *s, unsigned int start, uint64_t *dts, uint64_t *pts)
|
|
{
|
|
muxer_headers_t *spriv = s->priv;
|
|
int i, m, pes_hlen, ret, threshold;
|
|
uint64_t spts, sdts, dpts;
|
|
|
|
if(!spriv->framebuf_used)
|
|
return 0;
|
|
|
|
spts = spriv->pts;
|
|
sdts = spriv->dts;
|
|
spriv->dts = spriv->pts = 0;
|
|
ret = 0;
|
|
if(spriv->framebuf[0].pos == 0) // start of frame
|
|
i = 0;
|
|
else
|
|
{
|
|
pes_hlen = calc_pes_hlen(priv->mux, spriv, priv);
|
|
|
|
if(pes_hlen < spriv->min_pes_hlen)
|
|
pes_hlen = spriv->min_pes_hlen;
|
|
|
|
m = spriv->framebuf[0].size - spriv->framebuf[0].pos;
|
|
|
|
if(start + pes_hlen + m >= priv->packet_size) //spriv->pack_offset
|
|
i = -1; //this pack won't have a pts: no space available
|
|
else
|
|
{
|
|
if(spriv->framebuf_used < 2)
|
|
goto fail;
|
|
|
|
if(spriv->framebuf[1].pts == spriv->framebuf[1].dts)
|
|
threshold = 5;
|
|
else
|
|
threshold = 10;
|
|
|
|
//headers+frame 0 < space available including timestamps
|
|
if(start + pes_hlen + m < priv->packet_size - threshold)
|
|
i = 1;
|
|
else
|
|
i = -1;
|
|
}
|
|
}
|
|
|
|
if(i > -1)
|
|
{
|
|
dpts = FFMAX(spriv->last_saved_pts, spriv->framebuf[i].pts) -
|
|
FFMIN(spriv->last_saved_pts, spriv->framebuf[i].pts) +
|
|
spriv->framebuf[0].idur;
|
|
|
|
if(s->type != MUXER_TYPE_VIDEO)
|
|
ret = 1;
|
|
else if((spriv->framebuf[i].type == I_FRAME || priv->ts_allframes || dpts >= 36000*300)) //0.4 seconds
|
|
ret = 1;
|
|
|
|
if(ret)
|
|
{
|
|
*pts = spriv->framebuf[i].pts;
|
|
*dts = spriv->framebuf[i].dts;
|
|
if(*dts == *pts)
|
|
*dts = 0;
|
|
}
|
|
}
|
|
|
|
fail:
|
|
spriv->pts = spts;
|
|
spriv->dts = sdts;
|
|
return ret;
|
|
}
|
|
|
|
static int get_packet_stats(muxer_priv_t *priv, muxer_stream_t *s, pack_stats_t *p, int finalize)
|
|
{
|
|
muxer_headers_t *spriv = s->priv;
|
|
int len, len2, pack_hlen, pes_hlen, hlen, target, stflen, stuffing_len;
|
|
uint64_t pts, dts;
|
|
|
|
spriv->pts = spriv->dts = 0;
|
|
p->dts = p->pts = p->frame_pts = p->frame_dts = 0;
|
|
p->len = 0;
|
|
|
|
if(priv->rawpes)
|
|
pack_hlen = 0;
|
|
else if(priv->mux == MUX_MPEG1)
|
|
pack_hlen = 12;
|
|
else
|
|
pack_hlen = 14;
|
|
if(priv->use_psm && psm_is_late(priv))
|
|
pack_hlen += calc_psm_len(priv);
|
|
|
|
if(find_packet_timestamps(priv, s, pack_hlen, &dts, &pts))
|
|
{
|
|
p->pts = p->frame_pts = pts;
|
|
p->dts = p->frame_dts = dts;
|
|
|
|
spriv->pts = pts;
|
|
spriv->dts = dts;
|
|
}
|
|
pes_hlen = calc_pes_hlen(priv->mux, spriv, priv);
|
|
|
|
p->stflen = stflen = (spriv->min_pes_hlen > pes_hlen ? spriv->min_pes_hlen - pes_hlen : 0);
|
|
|
|
target = len = priv->packet_size - pack_hlen - pes_hlen - stflen; //max space available
|
|
if(s->type == MUXER_TYPE_AUDIO && s->wf->wFormatTag == AUDIO_A52)
|
|
hlen = 4;
|
|
else
|
|
hlen = 0;
|
|
|
|
len -= hlen;
|
|
target -= hlen;
|
|
|
|
len2 = calc_packet_len(s, target, finalize);
|
|
if(!len2 || (len2 < target && s->type == MUXER_TYPE_AUDIO && !finalize))
|
|
{
|
|
//p->len = 0;
|
|
//p->dts = p->pts = 0;
|
|
spriv->pts = spriv->dts = 0;
|
|
//fprintf(stderr, "\r\nLEN2: %d, target: %d, type: %d\r\n", len2, target, s->type);
|
|
return 0;
|
|
}
|
|
|
|
len = len2;
|
|
stuffing_len = 0;
|
|
if(len < target)
|
|
{
|
|
if(s->type == MUXER_TYPE_VIDEO)
|
|
{
|
|
if(spriv->pts)
|
|
target += 5;
|
|
if(spriv->dts)
|
|
target += 5;
|
|
spriv->pts = spriv->dts = 0;
|
|
p->pts = p->dts = 0;
|
|
}
|
|
|
|
stuffing_len = target - len;
|
|
if(stuffing_len > 0 && stuffing_len < 7)
|
|
{
|
|
if(stflen + stuffing_len > 16)
|
|
{
|
|
int x = 7 - stuffing_len;
|
|
stflen -= x;
|
|
stuffing_len += x;
|
|
}
|
|
else
|
|
{
|
|
stflen += stuffing_len;
|
|
stuffing_len = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
len += hlen;
|
|
|
|
p->len = len;
|
|
p->stflen = stflen;
|
|
|
|
return p->len;
|
|
}
|
|
|
|
static int fill_packet(muxer_t *muxer, muxer_stream_t *s, int finalize)
|
|
{
|
|
//try to fill a packet as much as possible
|
|
//spriv->pack_offset is the start position initialized to 0
|
|
//data is taken from spriv->framebuf
|
|
//if audio and a52 insert the headers
|
|
muxer_priv_t *priv = (muxer_priv_t *) muxer->priv;
|
|
muxer_headers_t *spriv = (muxer_headers_t *) s->priv;
|
|
int len, m, n, dvd_pack = 0;
|
|
int write_psm = 0;
|
|
mpeg_frame_t *frm;
|
|
pack_stats_t p;
|
|
|
|
spriv->dts = spriv->pts = 0;
|
|
|
|
if(! spriv->framebuf_used)
|
|
{
|
|
spriv->pack_offset = 0;
|
|
return 0;
|
|
}
|
|
|
|
if(!spriv->pack_offset)
|
|
{
|
|
if(priv->rawpes)
|
|
spriv->pack_offset = 0;
|
|
else
|
|
spriv->pack_offset = write_mpeg_pack_header(muxer, spriv->pack);
|
|
if(priv->update_system_header && (priv->is_genmpeg1 || priv->is_genmpeg2))
|
|
{
|
|
spriv->pack_offset += write_mpeg_system_header(muxer, &spriv->pack[spriv->pack_offset]);
|
|
priv->update_system_header = 0;
|
|
}
|
|
|
|
if(priv->use_psm && psm_is_late(priv))
|
|
{
|
|
spriv->pack_offset += write_mpeg_psm(muxer, &spriv->pack[spriv->pack_offset]);
|
|
write_psm = 1;
|
|
}
|
|
|
|
spriv->pes_set = 0;
|
|
spriv->pes_offset = spriv->pack_offset;
|
|
spriv->payload_offset = 0;
|
|
spriv->frames = 0;
|
|
spriv->last_frame_rest = 0;
|
|
}
|
|
|
|
if(!spriv->pes_set)
|
|
{
|
|
int bufsize = 0;
|
|
//search the pts. yes if either it's video && (I-frame or priv->ts_allframes) && framebuf[i].pos == 0
|
|
//or it's audio && framebuf[i].pos == 0
|
|
//NB pts and dts can only be relative to the first frame beginning in this pack
|
|
if((priv->is_xsvcd || priv->is_xvcd || priv->rawpes) && spriv->size == 0)
|
|
{
|
|
if(s->type == MUXER_TYPE_VIDEO)
|
|
bufsize = (conf_vbuf_size ? conf_vbuf_size : (priv->is_xvcd ? 46 : 232));
|
|
else
|
|
bufsize = (conf_abuf_size ? conf_abuf_size : 4);
|
|
spriv->buffer_size = bufsize*1024;
|
|
}
|
|
|
|
if(priv->is_dvd && s->type == MUXER_TYPE_VIDEO
|
|
&& spriv->framebuf[0].type==I_FRAME && spriv->framebuf[0].pos==0)
|
|
dvd_pack = 1;
|
|
|
|
if(! get_packet_stats(priv, s, &p, finalize))
|
|
{
|
|
spriv->pack_offset = 0;
|
|
return 0;
|
|
}
|
|
spriv->dts = p.dts;
|
|
spriv->pts = p.pts;
|
|
if(spriv->pts)
|
|
spriv->last_saved_pts = p.pts;
|
|
|
|
spriv->pack_offset += write_mpeg_pes_header(spriv, (uint8_t *) &s->ckid, &(spriv->pack[spriv->pack_offset]),
|
|
p.len, p.stflen, priv->mux);
|
|
|
|
if(s->type == MUXER_TYPE_AUDIO && s->wf->wFormatTag == AUDIO_A52)
|
|
{
|
|
spriv->payload_offset = spriv->pack_offset;
|
|
spriv->pack_offset += 4; //for the 4 bytes of header
|
|
if(!spriv->framebuf[0].pos)
|
|
spriv->last_frame_rest = 0;
|
|
else
|
|
spriv->last_frame_rest = spriv->framebuf[0].size - spriv->framebuf[0].pos;
|
|
}
|
|
|
|
spriv->pes_set = 1;
|
|
}
|
|
|
|
|
|
if(spriv->dts || spriv->pts)
|
|
{
|
|
if((spriv->dts && priv->scr >= spriv->dts) || priv->scr >= spriv->pts)
|
|
mp_msg(MSGT_MUXER, MSGL_ERR, "\r\nERROR: scr %.3lf, dts %.3lf, pts %.3lf\r\n", (double) priv->scr/27000000.0, (double) spriv->dts/27000000.0, (double) spriv->pts/27000000.0);
|
|
else if(priv->scr + 63000*300 < spriv->dts)
|
|
mp_msg(MSGT_MUXER, MSGL_INFO, "\r\nWARNING>: scr %.3lf, dts %.3lf, pts %.3lf, diff %.3lf, piff %.3lf\r\n", (double) priv->scr/27000000.0, (double) spriv->dts/27000000.0, (double) spriv->pts/27000000.0, (double)(spriv->dts - priv->scr)/27000000.0, (double)(spriv->pts - priv->scr)/27000000.0);
|
|
}
|
|
|
|
n = 0;
|
|
len = 0;
|
|
|
|
frm = spriv->framebuf;
|
|
while(spriv->pack_offset < priv->packet_size && n < spriv->framebuf_used)
|
|
{
|
|
if(!frm->pos)
|
|
{
|
|
//since iframes must always be aligned at block boundaries exit when we find the
|
|
//beginning of one in the middle of the flush
|
|
if(len > 0 && s->type == MUXER_TYPE_VIDEO && frm->type == I_FRAME)
|
|
{
|
|
break;
|
|
}
|
|
spriv->frames++;
|
|
update_demux_bufsize(spriv, frm->dts, frm->size, s->type);
|
|
}
|
|
|
|
m = FFMIN(frm->size - frm->pos, priv->packet_size - spriv->pack_offset);
|
|
memcpy(&(spriv->pack[spriv->pack_offset]), &(frm->buffer[frm->pos]), m);
|
|
|
|
len += m;
|
|
spriv->pack_offset += m;
|
|
frm->pos += m;
|
|
|
|
if(frm->pos == frm->size) //end of frame
|
|
{
|
|
frm->pos = frm->size = 0;
|
|
frm->pts = frm->dts = 0;
|
|
n++;
|
|
frm++;
|
|
}
|
|
}
|
|
|
|
if((priv->is_xsvcd || priv->is_xvcd || priv->rawpes) && spriv->size == 0)
|
|
spriv->buffer_size = 0;
|
|
|
|
spriv->size += len;
|
|
|
|
if(dvd_pack && (spriv->pack_offset == priv->packet_size))
|
|
write_mpeg_pack(muxer, NULL, muxer->stream, 0); //insert fake Nav Packet
|
|
|
|
if(n > 0)
|
|
remove_frames(spriv, n);
|
|
|
|
spriv->track_bufsize += len;
|
|
if(spriv->track_bufsize > spriv->max_buffer_size)
|
|
mp_msg(MSGT_MUXER, MSGL_ERR, "\r\nBUFFER OVERFLOW: %d > %d, pts: %"PRIu64"\r\n", spriv->track_bufsize, spriv->max_buffer_size, spriv->pts);
|
|
|
|
if(s->type == MUXER_TYPE_AUDIO && s->wf->wFormatTag == AUDIO_A52)
|
|
fix_a52_headers(s);
|
|
|
|
if(spriv->pack_offset < priv->packet_size && !priv->rawpes) //here finalize is set
|
|
{
|
|
int diff = priv->packet_size - spriv->pack_offset;
|
|
write_pes_padding(&(spriv->pack[spriv->pack_offset]), diff);
|
|
spriv->pack_offset += diff;
|
|
}
|
|
|
|
stream_write_buffer(muxer->stream, spriv->pack, spriv->pack_offset);
|
|
|
|
priv->headers_size += spriv->pack_offset - len;
|
|
priv->data_size += len;
|
|
muxer->movi_end += spriv->pack_offset;
|
|
|
|
spriv->pack_offset = 0;
|
|
spriv->pes_set = 0;
|
|
spriv->frames = 0;
|
|
if(write_psm)
|
|
priv->last_psm_scr = priv->scr;
|
|
|
|
return len;
|
|
}
|
|
|
|
static inline int find_best_stream(muxer_t *muxer)
|
|
{
|
|
int i, ndts;
|
|
uint64_t dts = -1;
|
|
muxer_priv_t *priv = muxer->priv;
|
|
muxer_headers_t *spriv;
|
|
pack_stats_t p;
|
|
unsigned int perc, sperc;
|
|
|
|
ndts = -1;
|
|
perc = -1;
|
|
|
|
//THIS RULE MUST ALWAYS apply: dts <= SCR + 0.7 seconds
|
|
for(i = 0; i < muxer->avih.dwStreams; i++)
|
|
{
|
|
spriv = muxer->streams[i]->priv;
|
|
|
|
p.len = 0;
|
|
get_packet_stats(priv, muxer->streams[i], &p, 0);
|
|
|
|
if(spriv->track_bufsize + p.len > spriv->max_buffer_size)
|
|
continue;
|
|
if(p.frame_pts && p.frame_dts > priv->scr + 63000*300)
|
|
continue;
|
|
|
|
if(spriv->framebuf[0].dts <= dts)
|
|
{
|
|
dts = spriv->framebuf[0].dts;
|
|
ndts = i;
|
|
}
|
|
|
|
if(conf_interleaving2)
|
|
{
|
|
sperc = (spriv->track_bufsize * 1024) / spriv->max_buffer_size;
|
|
if(sperc < perc)
|
|
{
|
|
ndts = i;
|
|
perc = sperc;
|
|
}
|
|
}
|
|
}
|
|
|
|
return ndts;
|
|
}
|
|
|
|
static void patch_seq(muxer_priv_t *priv, unsigned char *buf)
|
|
{
|
|
if(priv->vwidth > 0)
|
|
{
|
|
buf[4] = (priv->vwidth >> 4) & 0xff;
|
|
buf[5] &= 0x0f;
|
|
buf[5] |= (priv->vwidth & 0x0f) << 4;
|
|
}
|
|
|
|
if(priv->vheight > 0)
|
|
{
|
|
buf[5] &= 0xf0;
|
|
buf[5] |= (priv->vheight >> 8) & 0x0f;
|
|
buf[6] = priv->vheight & 0xff;
|
|
}
|
|
|
|
if(priv->vaspect > 0)
|
|
buf[7] = (buf[7] & 0x0f) | (priv->vaspect << 4);
|
|
|
|
if(priv->vframerate > 0)
|
|
buf[7] = (buf[7] & 0xf0) | priv->vframerate;
|
|
|
|
if(priv->vbitrate > 0)
|
|
{
|
|
buf[8] = (priv->vbitrate >> 10);
|
|
buf[9] = (priv->vbitrate >> 2);
|
|
buf[10] = (buf[10] & 0x3f) | (unsigned char) ((priv->vbitrate & 0x4) << 2);
|
|
}
|
|
}
|
|
|
|
static void patch_panscan(muxer_priv_t *priv, unsigned char *buf)
|
|
{ //patches sequence display extension (display_horizontal_size and display_vertical_size)
|
|
//1:
|
|
int offset = 1;
|
|
|
|
if(buf[0] & 0x01)
|
|
offset += 3;
|
|
|
|
if(priv->panscan_width > 0)
|
|
{
|
|
buf[offset] = (priv->panscan_width >> 6);
|
|
buf[offset+1] = ((priv->panscan_width & 0x3F) << 2) | (buf[offset + 1] & 0x03);
|
|
}
|
|
|
|
offset++;
|
|
|
|
if(priv->panscan_height > 0)
|
|
{
|
|
buf[offset] = (priv->panscan_height >> 13) << 7;
|
|
buf[offset+1] = (priv->panscan_height >> 5) & 0xFF;
|
|
buf[offset+2] = ((priv->panscan_height & 0x1F) << 3) | (buf[offset+2] & 0x07);
|
|
}
|
|
}
|
|
|
|
|
|
static void update_scr(muxer_t *muxer)
|
|
{
|
|
muxer_priv_t *priv = muxer->priv;
|
|
muxer_stream_t *stream;
|
|
muxer_headers_t *spriv;
|
|
int i, j;
|
|
uint64_t mindts = (uint64_t) -1;
|
|
|
|
priv->scr += priv->delta_scr;
|
|
|
|
for(i = 0; i < muxer->avih.dwStreams; i++)
|
|
{
|
|
stream = muxer->streams[i];
|
|
spriv = stream->priv;
|
|
if(spriv->framebuf_used && spriv->framebuf[0].dts < mindts)
|
|
mindts = spriv->framebuf[0].dts;
|
|
}
|
|
|
|
mp_msg(MSGT_MUXER, MSGL_DBG2, "UPDATE SCR TO %"PRIu64" (%.3lf)\n", priv->scr, (double) (priv->scr/27000000.0));
|
|
|
|
for(i = 0; i < muxer->avih.dwStreams; i++)
|
|
{
|
|
stream = muxer->streams[i];
|
|
spriv = stream->priv;
|
|
|
|
j = 0;
|
|
while(j < spriv->track_pos && priv->scr >= spriv->buffer_track[j].dts)
|
|
{
|
|
spriv->track_bufsize -= spriv->buffer_track[j].size;
|
|
j++;
|
|
}
|
|
if(spriv->track_bufsize < 0)
|
|
{
|
|
double d;
|
|
muxer->sysrate = (muxer->sysrate * 11) / 10; //raise by 10%
|
|
d = (double) priv->packet_size / (double)muxer->sysrate;
|
|
priv->delta_scr = (uint64_t) (d * 27000000.0f);
|
|
mp_msg(MSGT_MUXER, MSGL_INFO, "\r\nBUFFER UNDEFLOW at stream %d, raising muxrate to %d kb/s, delta_scr: %"PRIu64"\r\n", i, muxer->sysrate/125, priv->delta_scr);
|
|
spriv->track_bufsize = 0;
|
|
}
|
|
|
|
if(j > 0)
|
|
{
|
|
memmove(spriv->buffer_track, &(spriv->buffer_track[j]), (spriv->track_len - j) * sizeof(buffer_track_t));
|
|
spriv->track_pos -= j;
|
|
for(j = spriv->track_pos; j < spriv->track_len; j++)
|
|
spriv->buffer_track[j].size = 0;
|
|
}
|
|
|
|
if(spriv->framebuf_used && spriv->framebuf[0].dts < mindts)
|
|
mindts = spriv->framebuf[0].dts;
|
|
}
|
|
}
|
|
|
|
|
|
static int calc_frames_to_flush(muxer_headers_t *vpriv)
|
|
{
|
|
int n, found = 0;
|
|
|
|
if(vpriv->framebuf_used > 0)
|
|
{
|
|
n = 0;
|
|
//let's count how many frames we'll store in the next pack sequence
|
|
mp_msg(MSGT_MUXER, MSGL_DBG2, "\n");
|
|
while(n < vpriv->framebuf_used)
|
|
{
|
|
mp_msg(MSGT_MUXER, MSGL_DBG2, "CALC_FRAMES, n=%d, type=%c, pts=%.3lf\n", n, FTYPE(vpriv->framebuf[n].type), (double)vpriv->framebuf[n].pts/27000000.0f);
|
|
if(n+1 < vpriv->framebuf_used)
|
|
mp_msg(MSGT_MUXER, MSGL_DBG2, "n+1=%d, type=%c, pts=%.3lf\n", n+1, FTYPE(vpriv->framebuf[n+1].type), (double)vpriv->framebuf[n+1].pts/27000000.0f);
|
|
|
|
if(vpriv->framebuf[n].type == I_FRAME)
|
|
{
|
|
if(n > 0)
|
|
{
|
|
found = 1;
|
|
break;
|
|
}
|
|
}
|
|
|
|
n++;
|
|
}
|
|
}
|
|
|
|
if(found && (n < vpriv->framebuf_used+1))
|
|
return n;
|
|
else
|
|
return 0;
|
|
}
|
|
|
|
static int flush_buffers(muxer_t *muxer, int finalize)
|
|
{
|
|
int i, n, found;
|
|
int skip_cnt;
|
|
uint64_t init_delay = 0;
|
|
muxer_stream_t *s, *vs, *as;
|
|
muxer_headers_t *vpriv = NULL, *apriv = NULL;
|
|
muxer_priv_t *priv = (muxer_priv_t *) muxer->priv;
|
|
double duration;
|
|
uint64_t iduration, iaduration;
|
|
|
|
/*
|
|
analyzes all streams and decides what to flush
|
|
trying to respect an interleaving distribution
|
|
equal to the v_bitrate/a_bitrate proportion
|
|
*/
|
|
n = 0;
|
|
vs = as = NULL;
|
|
found = 0;
|
|
for(i = 0; i < muxer->avih.dwStreams; i++)
|
|
{
|
|
s = muxer->streams[i];
|
|
if(s->type == MUXER_TYPE_VIDEO)
|
|
{
|
|
vs = muxer->streams[i];
|
|
vpriv = (muxer_headers_t*) vs->priv;
|
|
if(!vpriv->is_ready)
|
|
return 0;
|
|
n = found = calc_frames_to_flush(vpriv);
|
|
}
|
|
else if(s->type == MUXER_TYPE_AUDIO)
|
|
as = s;
|
|
}
|
|
|
|
if((! found) && finalize)
|
|
{
|
|
if(vpriv != NULL)
|
|
found = n = vpriv->framebuf_used;
|
|
}
|
|
|
|
if(found)
|
|
{
|
|
mp_msg(MSGT_MUXER, MSGL_DBG2, "\nVIDEO, FLUSH %d frames (of %d), 0 to %d\n", n, vpriv->framebuf_used, n-1);
|
|
|
|
vpriv = (muxer_headers_t*) vs->priv;
|
|
|
|
duration = 0;
|
|
iduration = 0;
|
|
for(i = 0; i < n; i++)
|
|
iduration += vpriv->framebuf[i].idur;
|
|
duration = (double) (iduration / 27000000.0);
|
|
|
|
if(as != NULL)
|
|
{
|
|
apriv = (muxer_headers_t*) as->priv;
|
|
iaduration = 0;
|
|
for(i = 0; i < apriv->framebuf_used; i++)
|
|
{
|
|
iaduration += apriv->framebuf[i].idur;
|
|
}
|
|
if(iaduration < iduration)
|
|
{
|
|
mp_msg(MSGT_MUXER, MSGL_DBG2, "Not enough audio data exit\n");
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
if(as != NULL && (apriv->size == 0))
|
|
{
|
|
init_delay = vpriv->framebuf[0].pts - vpriv->framebuf[0].dts;
|
|
|
|
for(i = 0; i < apriv->framebuf_cnt; i++)
|
|
{
|
|
apriv->framebuf[i].pts += init_delay;
|
|
apriv->framebuf[i].dts += init_delay;
|
|
}
|
|
apriv->last_pts += init_delay;
|
|
mp_msg(MSGT_MUXER, MSGL_DBG2, "\r\nINITIAL VIDEO DELAY: %.3lf, currAPTS: %.3lf\r\n", (double) init_delay/27000000.0f, (double) apriv->last_pts/27000000.0f);
|
|
}
|
|
|
|
if((priv->is_xvcd || priv->is_xsvcd) && (vpriv->size == 0))
|
|
vpriv->buffer_size = (conf_vbuf_size ? conf_vbuf_size : (priv->is_xvcd ? 46 : 230))*1024;
|
|
|
|
i = 0;
|
|
skip_cnt = 0;
|
|
|
|
while(1)
|
|
{
|
|
update_scr(muxer);
|
|
i = find_best_stream(muxer);
|
|
if(i < 0)
|
|
continue;
|
|
if(!fill_packet(muxer, muxer->streams[i], finalize))
|
|
skip_cnt++;
|
|
|
|
if(skip_cnt == muxer->avih.dwStreams)
|
|
{
|
|
found = 0;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
muxer->file_end = priv->scr;
|
|
return found;
|
|
}
|
|
|
|
|
|
static inline uint64_t parse_fps(float fps)
|
|
{
|
|
// 90000 * 300 * 1001 / d , there's no rounding error with any of the admitted framerates
|
|
int d = (int)(fps*1001+0.5);
|
|
|
|
return 27027000000ULL / d;
|
|
}
|
|
|
|
|
|
static int soft_telecine(muxer_priv_t *priv, muxer_headers_t *vpriv, uint8_t *fps_ptr, uint8_t *se_ptr, uint8_t *pce_ptr, int n)
|
|
{
|
|
if(! pce_ptr)
|
|
return 0;
|
|
if(fps_ptr != NULL)
|
|
{
|
|
*fps_ptr = (*fps_ptr & 0xf0) | priv->vframerate;
|
|
vpriv->nom_delta_pts = parse_fps(conf_vframerate);
|
|
}
|
|
|
|
//in pce_ptr starting from bit 0 bit 24 is tff, bit 30 is rff,
|
|
if(pce_ptr[3] & 0x2)
|
|
{
|
|
mp_msg(MSGT_MUXER, MSGL_ERR, "\nERROR! RFF bit is already set, disabling telecining\n");
|
|
vpriv->telecine = 0;
|
|
return 0;
|
|
}
|
|
|
|
vpriv->picture.progressive_sequence = 0;
|
|
vpriv->picture.progressive_frame = 1;
|
|
if(se_ptr)
|
|
se_ptr[1] &= 0xf7;
|
|
|
|
//disable tff and rff and overwrite them with the value in bff_mask
|
|
pce_ptr[3] = (pce_ptr[3] & 0x7d) | priv->bff_mask[vpriv->display_frame % MAX_PATTERN_LENGTH];
|
|
pce_ptr[4] |= 0x80; //sets progressive frame
|
|
|
|
vpriv->display_frame += n;
|
|
if(! vpriv->vframes)
|
|
mp_msg(MSGT_MUXER, MSGL_INFO, "\nENABLED SOFT TELECINING, FPS=%.3f\n",conf_vframerate);
|
|
|
|
return 1;
|
|
}
|
|
|
|
static size_t parse_mpeg12_video(muxer_stream_t *s, muxer_priv_t *priv, muxer_headers_t *spriv, float fps, size_t len)
|
|
{
|
|
uint8_t *fps_ptr = NULL; //pointer to the fps byte in the sequence header
|
|
uint8_t *se_ptr = NULL; //pointer to sequence extension
|
|
uint8_t *pce_ptr = NULL; //pointer to picture coding extension
|
|
int frames_diff, d1, gop_reset = 0; //how any frames we advanced respect to the last one
|
|
int ret;
|
|
int i, err;
|
|
uint32_t temp_ref;
|
|
int pt;
|
|
|
|
mp_msg(MSGT_MUXER, MSGL_DBG2,"parse_mpeg12_video, len=%u\n", (uint32_t) len);
|
|
if(s->buffer[0] != 0 || s->buffer[1] != 0 || s->buffer[2] != 1 || len<6)
|
|
{
|
|
mp_msg(MSGT_MUXER, MSGL_ERR,"Unknown video format, possibly non-MPEG1/2 stream, len=%d!\n", len);
|
|
return 0;
|
|
}
|
|
|
|
temp_ref = 0;
|
|
pt = 0;
|
|
err = 0;
|
|
i = 0;
|
|
while(i + 4 < len)
|
|
{ // Video (0) Sequence header (b3) or GOP (b8)
|
|
if((s->buffer[i] == 0) && (s->buffer[i+1] == 0) && (s->buffer[i+2] == 1))
|
|
{
|
|
switch(s->buffer[i+3])
|
|
{
|
|
case 0xb3: //sequence
|
|
{
|
|
if(i + 11 > len)
|
|
{
|
|
err=1;
|
|
break;
|
|
}
|
|
fps_ptr = &(s->buffer[i+7]);
|
|
mp_header_process_sequence_header(&(spriv->picture), &(s->buffer[i+4]));
|
|
spriv->delta_pts = spriv->nom_delta_pts = parse_fps(spriv->picture.fps);
|
|
|
|
spriv->delta_clock = (double) 1/fps;
|
|
//the 2 lines below are needed to handle non-standard frame rates (such as 18)
|
|
if(! spriv->delta_pts)
|
|
spriv->delta_pts = spriv->nom_delta_pts = (uint64_t) ((double)27000000.0 * spriv->delta_clock );
|
|
mp_msg(MSGT_MUXER, MSGL_DBG2, "\nFPS: %.3f, FRAMETIME: %.3lf\n", fps, (double)1/fps);
|
|
if(priv->patch_seq)
|
|
patch_seq(priv, &(s->buffer[i]));
|
|
}
|
|
break;
|
|
|
|
case 0xb5:
|
|
if(i + 9 > len)
|
|
{
|
|
err = 1;
|
|
break;
|
|
}
|
|
mp_header_process_extension(&(spriv->picture), &(s->buffer[i+4]));
|
|
if(((s->buffer[i+4] & 0xf0) == 0x10))
|
|
se_ptr = &(s->buffer[i+4]);
|
|
if(((s->buffer[i+4] & 0xf0) == 0x20))
|
|
{
|
|
if(priv->patch_sde)
|
|
patch_panscan(priv, &(s->buffer[i+4]));
|
|
}
|
|
if((s->buffer[i+4] & 0xf0) == 0x80)
|
|
{
|
|
pce_ptr = &(s->buffer[i+4]);
|
|
}
|
|
break;
|
|
|
|
case 0xb8:
|
|
gop_reset = 1;
|
|
break;
|
|
|
|
case 0x00:
|
|
if(i + 5 > len)
|
|
{
|
|
err = 1;
|
|
break;
|
|
}
|
|
pt = (s->buffer[i+5] & 0x1c) >> 3;
|
|
temp_ref = (s->buffer[i+4]<<2)+(s->buffer[i+5]>>6);
|
|
break;
|
|
}
|
|
if(err) break; //something went wrong
|
|
if(s->buffer[i+3] >= 0x01 && s->buffer[i+3] <= 0xAF) break; //slice, we have already analized what we need
|
|
}
|
|
i++;
|
|
}
|
|
if(err)
|
|
mp_msg(MSGT_MUXER, MSGL_ERR,"Warning: picture too short or broken!\n");
|
|
|
|
//following 2 lines are workaround: lavf doesn't sync to sequence headers before passing demux_packets
|
|
if(!spriv->nom_delta_pts)
|
|
spriv->delta_pts = spriv->nom_delta_pts = parse_fps(fps);
|
|
if(!spriv->vframes)
|
|
spriv->last_tr = spriv->max_tr = temp_ref;
|
|
d1 = temp_ref - spriv->last_tr;
|
|
if(gop_reset)
|
|
frames_diff = spriv->max_tr + 1 + temp_ref - spriv->last_tr;
|
|
else
|
|
{
|
|
if(d1 < -6) //there's a wraparound
|
|
frames_diff = spriv->max_tr + 1 + temp_ref - spriv->last_tr;
|
|
else if(d1 > 6) //there's a wraparound
|
|
frames_diff = spriv->max_tr + 1 + spriv->last_tr - temp_ref;
|
|
else if(!d1) //pre-emptive fix against broken sequences
|
|
frames_diff = 1;
|
|
else
|
|
frames_diff = d1;
|
|
}
|
|
mp_msg(MSGT_MUXER, MSGL_DBG2, "\nLAST: %d, TR: %d, GOP: %d, DIFF: %d, MAX: %d, d1: %d\n",
|
|
spriv->last_tr, temp_ref, gop_reset, frames_diff, spriv->max_tr, d1);
|
|
|
|
if(temp_ref > spriv->max_tr || gop_reset)
|
|
spriv->max_tr = temp_ref;
|
|
|
|
spriv->last_tr = temp_ref;
|
|
if(spriv->picture.mpeg1 == 0)
|
|
{
|
|
if(spriv->telecine && pce_ptr)
|
|
{
|
|
soft_telecine(priv, spriv, fps_ptr, se_ptr, pce_ptr, frames_diff);
|
|
spriv->picture.display_time = 100;
|
|
mp_header_process_extension(&(spriv->picture), pce_ptr);
|
|
if(spriv->picture.display_time >= 50 && spriv->picture.display_time <= 300)
|
|
spriv->delta_pts = (spriv->nom_delta_pts * spriv->picture.display_time) / 100;
|
|
}
|
|
}
|
|
|
|
if(! spriv->vframes)
|
|
frames_diff = 1;
|
|
|
|
spriv->last_dts += spriv->delta_pts;
|
|
spriv->last_pts += spriv->nom_delta_pts*(frames_diff-1) + spriv->delta_pts;
|
|
|
|
ret = add_frame(spriv, spriv->delta_pts, s->buffer, len, pt, spriv->last_dts, spriv->last_pts);
|
|
if(ret < 0)
|
|
{
|
|
mp_msg(MSGT_MUXER, MSGL_FATAL, "\r\nPARSE_MPEG12: add_frames(%d) failed, exit\r\n", len);
|
|
return 0;
|
|
}
|
|
mp_msg(MSGT_MUXER, MSGL_DBG2, "\r\nVIDEO FRAME, PT: %C, tr: %d, diff: %d, dts: %.3lf, pts: %.3lf, pdt: %u, gop_reset: %d\r\n",
|
|
ftypes[pt], temp_ref, frames_diff, ((double) spriv->last_dts/27000000.0f),
|
|
((double) spriv->last_pts/27000000.0f), spriv->picture.display_time, gop_reset);
|
|
|
|
if(pt == B_FRAME)
|
|
{
|
|
int j, n, adj = 0;
|
|
int64_t diff = spriv->last_dts - spriv->last_pts;
|
|
|
|
if(diff != 0)
|
|
{
|
|
n = spriv->framebuf_used - 1;
|
|
|
|
for(j = n; j >= 0; j--)
|
|
{
|
|
if(spriv->framebuf[j].pts >= spriv->last_pts)
|
|
{
|
|
spriv->framebuf[j].pts += diff;
|
|
adj++;
|
|
}
|
|
}
|
|
mp_msg(MSGT_MUXER, MSGL_V, "\r\nResynced B-frame by %d units, DIFF: %"PRId64" (%.3lf),[pd]ts=%.3lf\r\n",
|
|
n, diff, (double) diff/27000000.0f, (double) spriv->last_pts/27000000.0f);
|
|
spriv->last_pts = spriv->last_dts;
|
|
}
|
|
}
|
|
spriv->vframes++;
|
|
|
|
mp_msg(MSGT_MUXER, MSGL_DBG2,"parse_mpeg12_video, return %u\n", (uint32_t) len);
|
|
return len;
|
|
}
|
|
|
|
|
|
static uint64_t fix_mp4_frame_duration(muxer_headers_t *vpriv)
|
|
{
|
|
uint64_t mn, md, mx, diff;
|
|
uint32_t i;
|
|
|
|
mn = mx = vpriv->framebuf[0].pts;
|
|
for(i = 0; i < 3; i++)
|
|
{
|
|
mp_msg(MSGT_DECVIDEO,MSGL_DBG2, "PTS: %"PRIu64"\n", vpriv->framebuf[i].pts);
|
|
if(vpriv->framebuf[i].pts < mn)
|
|
mn = vpriv->framebuf[i].pts;
|
|
if(vpriv->framebuf[i].pts > mx)
|
|
mx = vpriv->framebuf[i].pts;
|
|
}
|
|
md = mn;
|
|
for(i=0; i<3; i++)
|
|
{
|
|
if((vpriv->framebuf[i].pts > mn) && (vpriv->framebuf[i].pts < mx))
|
|
md = vpriv->framebuf[i].pts;
|
|
}
|
|
|
|
if(mx - md > md - mn)
|
|
diff = md - mn;
|
|
else
|
|
diff = mx - md;
|
|
|
|
mp_msg(MSGT_DECVIDEO,MSGL_DBG2, "MIN: %"PRIu64", mid: %"PRIu64", max: %"PRIu64", diff: %"PRIu64"\n", mn, md, mx, diff);
|
|
if(diff > 0)
|
|
{
|
|
for(i=0; i<3; i++)
|
|
{
|
|
vpriv->framebuf[i].pts += diff;
|
|
vpriv->framebuf[i].dts += i * diff;
|
|
mp_msg(MSGT_MUXER, MSGL_DBG2, "FIXED_PTS: %.3lf, FIXED_DTS: %.3lf\n",
|
|
(double) (vpriv->framebuf[i].pts/27000000.0), (double) (vpriv->framebuf[i].dts/27000000.0));
|
|
}
|
|
return diff;
|
|
}
|
|
else
|
|
return 0;
|
|
}
|
|
|
|
|
|
static size_t parse_mpeg4_video(muxer_stream_t *s, muxer_priv_t *priv, muxer_headers_t *vpriv, float fps, size_t len)
|
|
{
|
|
size_t ptr = 0;
|
|
int64_t delta_pts=0;
|
|
uint8_t pt;
|
|
int ret;
|
|
|
|
mp_msg(MSGT_MUXER, MSGL_DBG2,"parse_mpeg4_video, len=%u\n", (uint32_t) len);
|
|
if(len<6)
|
|
{
|
|
mp_msg(MSGT_MUXER, MSGL_ERR,"Frame too short: %d, exit!\n", len);
|
|
return 0;
|
|
}
|
|
|
|
pt = 0;
|
|
while(ptr < len - 5)
|
|
{
|
|
if(s->buffer[ptr] != 0 || s->buffer[ptr+1] != 0 || s->buffer[ptr+2] != 1)
|
|
{
|
|
ptr++;
|
|
continue;
|
|
}
|
|
|
|
if(s->buffer[ptr+3] >= 0x20 && s->buffer[ptr+3] <= 0x2f) //VOL
|
|
{
|
|
mp4_header_process_vol(&(vpriv->picture), &(s->buffer[ptr+4]));
|
|
}
|
|
else if(s->buffer[ptr+3] == 0xb3) //gov
|
|
{
|
|
//fprintf(stderr, "\nGOV\n");
|
|
}
|
|
else if(s->buffer[ptr+3] == 0xb6) //vop
|
|
{
|
|
int32_t delta;
|
|
mp4_header_process_vop(&(vpriv->picture), &(s->buffer[ptr+4]));
|
|
|
|
delta = vpriv->picture.timeinc_unit - vpriv->last_tr;
|
|
if((delta > 0) && (delta > (vpriv->picture.timeinc_resolution/2)))
|
|
delta -= vpriv->picture.timeinc_resolution;
|
|
else if((delta < 0) && (delta < (-(vpriv->picture.timeinc_resolution/2))))
|
|
delta += vpriv->picture.timeinc_resolution;
|
|
|
|
delta_pts = (27000000 * (int64_t) delta) / vpriv->picture.timeinc_resolution;
|
|
//warning, it seems that packed bops can lead to delta == 0
|
|
|
|
pt = vpriv->picture.picture_type + 1;
|
|
mp_msg(MSGT_MUXER, MSGL_DBG2, "\nTYPE: %c, RESOLUTION: %d, TEMP: %d, delta: %d, delta_pts: %"PRId64" = %.3lf, delta2: %.3lf\n",
|
|
FTYPE(pt), vpriv->picture.timeinc_resolution, vpriv->picture.timeinc_unit, delta, delta_pts, (double) (delta_pts/27000000.0),
|
|
(double) delta / (double) vpriv->picture.timeinc_resolution);
|
|
|
|
vpriv->last_tr = vpriv->picture.timeinc_unit;
|
|
|
|
break;
|
|
}
|
|
|
|
ptr++;
|
|
}
|
|
|
|
if(vpriv->vframes)
|
|
{
|
|
vpriv->last_dts += vpriv->frame_duration;
|
|
vpriv->last_pts += delta_pts;
|
|
}
|
|
|
|
ret = add_frame(vpriv, delta_pts, s->buffer, len, pt, vpriv->last_dts, vpriv->last_pts);
|
|
if(ret < 0)
|
|
{
|
|
mp_msg(MSGT_MUXER, MSGL_FATAL, "\r\nPARSE_MPEG4: add_frames(%d) failed, exit\r\n", len);
|
|
return 0;
|
|
}
|
|
|
|
if(!vpriv->frame_duration && vpriv->framebuf_used == 3)
|
|
{
|
|
vpriv->frame_duration = fix_mp4_frame_duration(vpriv);
|
|
if(vpriv->frame_duration)
|
|
{
|
|
vpriv->last_pts += vpriv->frame_duration;
|
|
vpriv->last_dts = vpriv->framebuf[vpriv->framebuf_used-1].dts;
|
|
vpriv->delta_clock = ((double) vpriv->frame_duration)/27000000.0;
|
|
mp_msg(MSGT_MUXER, MSGL_INFO, "FRAME DURATION: %"PRIu64" %.3lf\n",
|
|
vpriv->frame_duration, (double) (vpriv->frame_duration/27000000.0));
|
|
vpriv->is_ready = 1;
|
|
}
|
|
}
|
|
|
|
mp_msg(MSGT_MUXER, MSGL_DBG2, "LAST_PTS: %.3lf, LAST_DTS: %.3lf\n",
|
|
(double) (vpriv->last_pts/27000000.0), (double) (vpriv->last_dts/27000000.0));
|
|
|
|
vpriv->vframes++;
|
|
|
|
return len;
|
|
}
|
|
|
|
|
|
static int fill_last_frame(muxer_headers_t *spriv, uint8_t *ptr, int len)
|
|
{
|
|
int idx;
|
|
|
|
if(!len)
|
|
return 0;
|
|
|
|
if(spriv->framebuf_used == 0)
|
|
idx = spriv->framebuf_used;
|
|
else
|
|
idx = spriv->framebuf_used - 1;
|
|
|
|
if(spriv->framebuf[idx].alloc_size < spriv->framebuf[idx].size + len)
|
|
{
|
|
if(spriv->framebuf[idx].size > SIZE_MAX - (size_t)len)
|
|
return 0;
|
|
spriv->framebuf[idx].buffer = realloc(spriv->framebuf[idx].buffer, spriv->framebuf[idx].size + len);
|
|
if(! spriv->framebuf[idx].buffer)
|
|
return 0;
|
|
spriv->framebuf[idx].alloc_size = spriv->framebuf[idx].size + len;
|
|
}
|
|
|
|
memcpy(&(spriv->framebuf[idx].buffer[spriv->framebuf[idx].size]), ptr, len);
|
|
spriv->framebuf[idx].size += len;
|
|
|
|
return len;
|
|
}
|
|
|
|
static int add_frame(muxer_headers_t *spriv, uint64_t idur, uint8_t *ptr, int len, uint8_t pt, uint64_t dts, uint64_t pts)
|
|
{
|
|
int idx;
|
|
|
|
idx = spriv->framebuf_used;
|
|
if(idx >= spriv->framebuf_cnt)
|
|
{
|
|
spriv->framebuf = realloc_struct(spriv->framebuf, (spriv->framebuf_cnt+1), sizeof(mpeg_frame_t));
|
|
if(spriv->framebuf == NULL)
|
|
{
|
|
mp_msg(MSGT_MUXER, MSGL_FATAL, "Couldn't realloc frame buffer(idx), abort\n");
|
|
return -1;
|
|
}
|
|
|
|
spriv->framebuf[spriv->framebuf_cnt].size = 0;
|
|
spriv->framebuf[spriv->framebuf_cnt].alloc_size = 0;
|
|
spriv->framebuf[spriv->framebuf_cnt].pos = 0;
|
|
|
|
spriv->framebuf[spriv->framebuf_cnt].buffer = malloc(len);
|
|
if(spriv->framebuf[spriv->framebuf_cnt].buffer == NULL)
|
|
{
|
|
mp_msg(MSGT_MUXER, MSGL_FATAL, "Couldn't realloc frame buffer(frame), abort\n");
|
|
return -1;
|
|
}
|
|
spriv->framebuf[spriv->framebuf_cnt].alloc_size = len;
|
|
spriv->framebuf_cnt++;
|
|
}
|
|
|
|
if(spriv->framebuf[idx].alloc_size < spriv->framebuf[idx].size + len)
|
|
{
|
|
if(spriv->framebuf[idx].size > SIZE_MAX - (size_t)len)
|
|
{
|
|
mp_msg(MSGT_MUXER, MSGL_FATAL, "Size overflow, couldn't realloc frame buffer(frame), abort\n");
|
|
return -1;
|
|
}
|
|
spriv->framebuf[idx].buffer = realloc(spriv->framebuf[idx].buffer, spriv->framebuf[idx].size + len);
|
|
if(spriv->framebuf[idx].buffer == NULL)
|
|
{
|
|
mp_msg(MSGT_MUXER, MSGL_FATAL, "Couldn't realloc frame buffer(frame), abort\n");
|
|
return -1;
|
|
}
|
|
spriv->framebuf[idx].alloc_size = spriv->framebuf[idx].size + len;
|
|
}
|
|
|
|
memcpy(&(spriv->framebuf[idx].buffer[spriv->framebuf[idx].size]), ptr, len);
|
|
spriv->framebuf[idx].size += len;
|
|
spriv->framebuf[idx].pos = 0;
|
|
spriv->framebuf[idx].type = pt;
|
|
|
|
spriv->framebuf[idx].idur = idur;
|
|
spriv->framebuf[idx].dts = dts;
|
|
spriv->framebuf[idx].pts = pts;
|
|
spriv->framebuf_used++;
|
|
mp_msg(MSGT_MUXER, MSGL_DBG2, "\r\nAdded frame, size: %u, idur: %"PRIu64", dts: %"PRIu64", pts: %"PRIu64", used: %u\r\n", len, idur, dts, pts, spriv->framebuf_used);
|
|
|
|
return idx;
|
|
}
|
|
|
|
static int analyze_mpa(muxer_stream_t *s)
|
|
{
|
|
int i = 0, len, max, chans, srate, spf, layer;
|
|
int score[4] = {0, 0, 0, 0};
|
|
|
|
while(i < s->b_buffer_len + 3)
|
|
{
|
|
if(s->b_buffer[i] == 0xFF && ((s->b_buffer[i+1] & 0xE0) == 0xE0))
|
|
{
|
|
len = mp_get_mp3_header(&(s->b_buffer[i]), &chans, &srate, &spf, &layer, NULL);
|
|
if(len > 0 && (srate == s->wf->nSamplesPerSec) && (i + len <= s->b_buffer_len))
|
|
{
|
|
score[layer]++;
|
|
i += len;
|
|
}
|
|
}
|
|
i++;
|
|
}
|
|
|
|
max = 0;
|
|
layer = 2;
|
|
for(i = 1; i <= 3; i++)
|
|
{
|
|
if(score[i] >= max)
|
|
{
|
|
max = score[i];
|
|
layer = i;
|
|
}
|
|
}
|
|
|
|
return layer; //actual layer with the highest score
|
|
}
|
|
|
|
static int parse_audio(muxer_stream_t *s, int finalize, unsigned int *nf, double *timer, double delay, int drop)
|
|
{
|
|
int i, j, len, chans, srate, spf, layer, dummy, tot, num, frm_idx;
|
|
int finished;
|
|
unsigned int frames;
|
|
uint64_t idur;
|
|
double dur;
|
|
muxer_headers_t *spriv = (muxer_headers_t *) s->priv;
|
|
|
|
i = tot = frames = 0;
|
|
finished = 0;
|
|
while(1)
|
|
{
|
|
len = 0;
|
|
switch(s->wf->wFormatTag)
|
|
{
|
|
case AUDIO_MP2:
|
|
case AUDIO_MP3:
|
|
{
|
|
if(i + 3 >= s->b_buffer_len)
|
|
{
|
|
finished = 1;
|
|
break;
|
|
}
|
|
|
|
if(s->b_buffer[i] == 0xFF && ((s->b_buffer[i+1] & 0xE0) == 0xE0))
|
|
{
|
|
len = mp_get_mp3_header(&(s->b_buffer[i]), &chans, &srate, &spf, &layer, NULL);
|
|
if(len > 0 && (srate == s->wf->nSamplesPerSec) && (i + len <= s->b_buffer_len)
|
|
&& layer == spriv->mpa_layer)
|
|
{
|
|
dur = (double) spf / (double) srate;
|
|
idur = (27000000ULL * spf) / srate;
|
|
}
|
|
else
|
|
len = 0;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case AUDIO_A52:
|
|
{
|
|
if(i + 6 >= s->b_buffer_len)
|
|
{
|
|
finished = 1;
|
|
break;
|
|
}
|
|
|
|
if(s->b_buffer[i] == 0x0B && s->b_buffer[i+1] == 0x77)
|
|
{
|
|
srate = 0;
|
|
#ifdef CONFIG_LIBA52
|
|
len = a52_syncinfo(&(s->b_buffer[i]), &dummy, &srate, &dummy);
|
|
#else
|
|
len = mp_a52_framesize(&(s->b_buffer[i]), &srate);
|
|
#endif
|
|
if((len > 0) && (srate == s->wf->nSamplesPerSec) && (i + len <= s->b_buffer_len))
|
|
{
|
|
dur = (double) 1536 / (double) srate;
|
|
idur = (27000000ULL * 1536) / srate;
|
|
}
|
|
else
|
|
len = 0;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case AUDIO_AAC1:
|
|
case AUDIO_AAC2:
|
|
{
|
|
if(i + 7 >= s->b_buffer_len)
|
|
{
|
|
finished = 1;
|
|
break;
|
|
}
|
|
|
|
if(s->b_buffer[i] == 0xFF && ((s->b_buffer[i+1] & 0xF6) == 0xF0))
|
|
{
|
|
len = aac_parse_frame(&(s->b_buffer[i]), &srate, &num);
|
|
if((len > 0) && (srate == s->wf->nSamplesPerSec) && (i + len <= s->b_buffer_len))
|
|
{
|
|
dur = (double) 1024 / (double) srate;
|
|
idur = (27000000ULL * 1024 * num) / srate;
|
|
}
|
|
else
|
|
len = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
if(finished)
|
|
break;
|
|
|
|
if(!len)
|
|
{
|
|
i++;
|
|
continue;
|
|
}
|
|
|
|
spriv->timer += dur;
|
|
if(spriv->drop_delayed_frames && delay < 0 && spriv->timer <= -delay)
|
|
{
|
|
i += len;
|
|
tot = i;
|
|
continue;
|
|
}
|
|
|
|
frames++;
|
|
fill_last_frame(spriv, &(s->b_buffer[tot]), i - tot);
|
|
frm_idx = add_frame(spriv, idur, &(s->b_buffer[i]), len, 0, spriv->last_pts, spriv->last_pts);
|
|
if(frm_idx < 0)
|
|
{
|
|
mp_msg(MSGT_MUXER, MSGL_FATAL, "Couldn't add audio frame buffer(frame), abort\n");
|
|
goto audio_exit;
|
|
}
|
|
for(j = frm_idx; j < spriv->framebuf_cnt; j++)
|
|
spriv->framebuf[j].pts = spriv->last_pts;
|
|
spriv->last_pts += idur;
|
|
|
|
i += len;
|
|
tot = i;
|
|
}
|
|
|
|
audio_exit:
|
|
if(tot)
|
|
{
|
|
memmove(s->b_buffer, &(s->b_buffer[tot]), s->b_buffer_len - tot);
|
|
s->b_buffer_len -= tot;
|
|
s->b_buffer_ptr += tot;
|
|
if(s->b_buffer_len > 0)
|
|
memmove(s->b_buffer, &(s->b_buffer[s->b_buffer_ptr]), s->b_buffer_len);
|
|
s->b_buffer_ptr = 0;
|
|
}
|
|
|
|
if(finalize)
|
|
{
|
|
frm_idx = add_frame(spriv, 0, s->b_buffer, s->b_buffer_len, 0, spriv->last_pts, spriv->last_pts);
|
|
if(frm_idx >= 0)
|
|
{
|
|
for(j = frm_idx; j < spriv->framebuf_cnt; j++)
|
|
spriv->framebuf[j].pts = spriv->last_pts;
|
|
}
|
|
}
|
|
|
|
*nf = frames;
|
|
*timer = spriv->timer;
|
|
|
|
return tot;
|
|
}
|
|
|
|
static void fix_parameters(muxer_stream_t *stream)
|
|
{
|
|
muxer_headers_t *spriv = stream->priv;
|
|
muxer_t *muxer = stream->muxer;
|
|
muxer_priv_t *priv = muxer->priv;
|
|
uint32_t stream_format;
|
|
int needs_psm = 0;
|
|
|
|
if(stream->type == MUXER_TYPE_AUDIO)
|
|
{
|
|
stream_format = stream->wf->wFormatTag;
|
|
spriv->is_ready = 1;
|
|
if(conf_abuf_size)
|
|
spriv->max_buffer_size = conf_abuf_size*1024;
|
|
else
|
|
spriv->max_buffer_size = 4*1024;
|
|
if(stream->wf->wFormatTag == AUDIO_A52)
|
|
{
|
|
stream->ckid = be2me_32 (0x1bd);
|
|
if(priv->is_genmpeg1 || priv->is_genmpeg2)
|
|
fix_audio_sys_header(priv, spriv->id, 0xbd, FFMAX(conf_abuf_size, 58)*1024); //only one audio at the moment
|
|
spriv->id = 0xbd;
|
|
if(!conf_abuf_size)
|
|
spriv->max_buffer_size = 16*1024;
|
|
}
|
|
else if(stream->wf->wFormatTag == AUDIO_AAC1 || stream->wf->wFormatTag == AUDIO_AAC2)
|
|
needs_psm = 1;
|
|
else if(stream->wf->wFormatTag == AUDIO_MP2 || stream->wf->wFormatTag == AUDIO_MP3)
|
|
spriv->is_ready = 0;
|
|
}
|
|
else //video
|
|
{
|
|
stream_format = stream->bih->biCompression;
|
|
if(conf_vbuf_size)
|
|
spriv->max_buffer_size = conf_vbuf_size*1024;
|
|
else
|
|
{
|
|
if(priv->is_dvd)
|
|
spriv->max_buffer_size = 232*1024;
|
|
else if(priv->is_xsvcd)
|
|
spriv->max_buffer_size = 230*1024;
|
|
else if(priv->is_xvcd)
|
|
spriv->max_buffer_size = 46*1024;
|
|
else
|
|
spriv->max_buffer_size = 232*1024; //no profile => unconstrained :) FIXME!!!
|
|
}
|
|
|
|
if(is_mpeg4(stream->bih->biCompression))
|
|
spriv->is_ready = 0;
|
|
else
|
|
spriv->is_ready = 1;
|
|
|
|
if(!is_mpeg1(stream_format) && !is_mpeg2(stream_format))
|
|
needs_psm = 1;
|
|
}
|
|
|
|
if(priv->is_genmpeg2 && needs_psm)
|
|
{
|
|
priv->use_psm = 1;
|
|
add_to_psm(priv, spriv->id, stream_format);
|
|
priv->psm_streams_cnt++;
|
|
}
|
|
}
|
|
|
|
|
|
static void mpegfile_write_chunk(muxer_stream_t *s,size_t len,unsigned int flags, double dts_arg, double pts_arg)
|
|
{
|
|
size_t sz = 0;
|
|
uint64_t tmp;
|
|
muxer_t *muxer = s->muxer;
|
|
muxer_priv_t *priv = (muxer_priv_t *)muxer->priv;
|
|
muxer_headers_t *spriv = (muxer_headers_t*) s->priv;
|
|
float fps;
|
|
uint32_t stream_format, nf;
|
|
|
|
if(s->buffer == NULL || len == -1)
|
|
return;
|
|
|
|
if (s->type == MUXER_TYPE_VIDEO)
|
|
{ // try to recognize frame type...
|
|
fps = (float) s->h.dwRate/ (float) s->h.dwScale;
|
|
spriv->type = 1;
|
|
stream_format = s->bih->biCompression;
|
|
if(! spriv->vframes)
|
|
{
|
|
spriv->last_dts = spriv->last_pts - (uint64_t)(27000000.0f/fps);
|
|
mp_msg(MSGT_MUXER, MSGL_INFO,"INITV: %.3lf, %.3lf, fps: %.3f\r\n", (double) spriv->last_pts/27000000.0f, (double) spriv->last_dts/27000000.0f, fps);
|
|
}
|
|
|
|
if(is_mpeg1(stream_format) || is_mpeg2(stream_format))
|
|
{
|
|
spriv->is_mpeg12 = 1;
|
|
spriv->is_ready = 1;
|
|
if(len)
|
|
sz = parse_mpeg12_video(s, priv, spriv, fps, len);
|
|
else
|
|
{
|
|
tmp = (uint64_t) (27000000.0f / fps);
|
|
spriv->last_pts += tmp;
|
|
spriv->last_dts += tmp;
|
|
}
|
|
}
|
|
else if(is_mpeg4(stream_format))
|
|
{
|
|
spriv->is_mpeg12 = 0;
|
|
spriv->telecine = 0;
|
|
if(len)
|
|
sz = parse_mpeg4_video(s, priv, spriv, fps, len);
|
|
else
|
|
{
|
|
tmp = (uint64_t) (27000000.0f / fps);
|
|
spriv->last_pts += tmp;
|
|
spriv->last_dts += tmp;
|
|
}
|
|
}
|
|
|
|
mp_msg(MSGT_MUXER, MSGL_DBG2,"mpegfile_write_chunk, Video codec=%x, len=%u, mpeg12 returned %u\n", stream_format, (uint32_t) len, (uint32_t) sz);
|
|
}
|
|
else
|
|
{ // MUXER_TYPE_AUDIO
|
|
double fake_timer;
|
|
spriv->type = 0;
|
|
stream_format = s->wf->wFormatTag;
|
|
|
|
if(s->b_buffer_size - s->b_buffer_len < len)
|
|
{
|
|
void *tmp;
|
|
|
|
if(s->b_buffer_len > SIZE_MAX - len)
|
|
{
|
|
mp_msg(MSGT_MUXER, MSGL_FATAL, "\nFATAL! couldn't realloc, integer overflow\n");
|
|
return;
|
|
}
|
|
tmp = realloc(s->b_buffer, len + s->b_buffer_len);
|
|
if(!tmp)
|
|
{
|
|
mp_msg(MSGT_MUXER, MSGL_FATAL, "\nFATAL! couldn't realloc %d bytes\n", len + s->b_buffer_len);
|
|
return;
|
|
}
|
|
s->b_buffer = tmp;
|
|
|
|
s->b_buffer_size = len + s->b_buffer_len;
|
|
mp_msg(MSGT_MUXER, MSGL_DBG2, "REALLOC(%d) bytes to AUDIO backbuffer\n", s->b_buffer_size);
|
|
}
|
|
memcpy(&(s->b_buffer[s->b_buffer_ptr + s->b_buffer_len]), s->buffer, len);
|
|
s->b_buffer_len += len;
|
|
|
|
if(!spriv->is_ready)
|
|
{
|
|
if(s->b_buffer_len >= 32*1024)
|
|
{
|
|
spriv->mpa_layer = analyze_mpa(s);
|
|
spriv->is_ready = 1;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
parse_audio(s, 0, &nf, &fake_timer, priv->init_adelay, priv->drop);
|
|
spriv->vframes += nf;
|
|
if(! spriv->vframes)
|
|
mp_msg(MSGT_MUXER, MSGL_INFO, "AINIT: %.3lf\r\n", (double) spriv->last_pts/27000000.0f);
|
|
}
|
|
}
|
|
|
|
flush_buffers(muxer, 0);
|
|
}
|
|
|
|
|
|
static void mpegfile_write_index(muxer_t *muxer)
|
|
{
|
|
int i, nf;
|
|
double fake_timer;
|
|
muxer_priv_t *priv = (muxer_priv_t *) muxer->priv;
|
|
|
|
mp_msg(MSGT_MUXER, MSGL_INFO, MSGTR_WritingTrailer);
|
|
|
|
for(i = 0; i < muxer->avih.dwStreams; i++)
|
|
{
|
|
if(muxer->streams[i]->type == MUXER_TYPE_AUDIO)
|
|
parse_audio(muxer->streams[i], 1, &nf, &fake_timer, priv->init_adelay, priv->drop);
|
|
}
|
|
while(flush_buffers(muxer, 0) > 0);
|
|
flush_buffers(muxer, 1);
|
|
if(priv->is_genmpeg1 || priv->is_genmpeg2)
|
|
{
|
|
priv->scr = 0;
|
|
write_mpeg_pack(muxer, NULL, muxer->stream, 1); //insert fake Nav Packet
|
|
}
|
|
|
|
mp_msg(MSGT_MUXER, MSGL_INFO, "\nOverhead: %.3lf%% (%"PRIu64" / %"PRIu64")\n", 100.0 * (double)priv->headers_size / (double)priv->data_size, priv->headers_size, priv->data_size);
|
|
}
|
|
|
|
static void mpegfile_write_header(muxer_t *muxer)
|
|
{
|
|
muxer_priv_t *priv = (muxer_priv_t*) muxer->priv;
|
|
|
|
mp_msg(MSGT_MUXER, MSGL_INFO, MSGTR_WritingHeader);
|
|
|
|
priv->headers_cnt++;
|
|
|
|
//write the first system header only for generic mpeg1/2 muxes, and only when we have collected all necessary infos
|
|
if(priv->is_genmpeg1 || priv->is_genmpeg2 || ((priv->is_xvcd || priv->is_xsvcd) && (priv->headers_cnt == 1)))
|
|
{
|
|
write_mpeg_pack(muxer, NULL, muxer->stream, 0);
|
|
priv->update_system_header = 0;
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
static void setup_sys_params(muxer_priv_t *priv)
|
|
{
|
|
if(priv->is_dvd)
|
|
{
|
|
int v = (conf_vbuf_size ? conf_vbuf_size : 232);
|
|
int a1 = (conf_abuf_size ? conf_abuf_size : 4);
|
|
int a2 = (conf_abuf_size>58 ? conf_abuf_size : 58);
|
|
|
|
priv->sys_info.cnt = 4;
|
|
|
|
priv->sys_info.streams[0].id = 0xb9;
|
|
priv->sys_info.streams[0].type = 1;
|
|
priv->sys_info.streams[0].bufsize = v*1024;
|
|
|
|
priv->sys_info.streams[1].id = 0xb8;
|
|
priv->sys_info.streams[1].type = 0;
|
|
priv->sys_info.streams[1].bufsize = a1*1024;
|
|
|
|
priv->sys_info.streams[2].id = 0xbd;
|
|
priv->sys_info.streams[2].type = 1;
|
|
priv->sys_info.streams[2].bufsize = a2*1024;
|
|
|
|
priv->sys_info.streams[3].id = 0xbf;
|
|
priv->sys_info.streams[3].type = 1;
|
|
priv->sys_info.streams[3].bufsize = 2*1024;
|
|
}
|
|
else if(priv->is_xvcd || priv->is_xsvcd)
|
|
{
|
|
int v = (conf_vbuf_size ? conf_vbuf_size : (priv->is_xvcd ? 46: 230));
|
|
int a1 = (conf_abuf_size ? conf_abuf_size : 4);
|
|
|
|
priv->sys_info.cnt = 2;
|
|
|
|
priv->sys_info.streams[0].id = 0xe0;
|
|
priv->sys_info.streams[0].type = 1;
|
|
priv->sys_info.streams[0].bufsize = v*1024;
|
|
|
|
priv->sys_info.streams[1].id = 0xc0;
|
|
priv->sys_info.streams[1].type = 0;
|
|
priv->sys_info.streams[1].bufsize = a1*1024;
|
|
}
|
|
else
|
|
priv->sys_info.cnt = 0;
|
|
}
|
|
|
|
/* excerpt from DGPulldown Copyright (C) 2005-2006, Donald Graft */
|
|
static void generate_flags(uint8_t *bff_mask, int source, int target)
|
|
{
|
|
unsigned int i, trfp;
|
|
uint64_t dfl,tfl;
|
|
unsigned char ormask[4] = {0x0, 0x2, 0x80, 0x82};
|
|
|
|
dfl = (target - source) << 1;
|
|
tfl = source >> 1;
|
|
|
|
trfp = 0;
|
|
for(i = 0; i < MAX_PATTERN_LENGTH; i++)
|
|
{
|
|
tfl += dfl;
|
|
if(tfl >= source)
|
|
{
|
|
tfl -= source;
|
|
bff_mask[i] = ormask[trfp + 1];
|
|
trfp ^= 2;
|
|
}
|
|
else
|
|
bff_mask[i] = ormask[trfp];
|
|
}
|
|
}
|
|
|
|
int muxer_init_muxer_mpeg(muxer_t *muxer)
|
|
{
|
|
muxer_priv_t *priv;
|
|
priv = calloc(1, sizeof(muxer_priv_t));
|
|
if(priv == NULL)
|
|
return 0;
|
|
priv->update_system_header = 1;
|
|
|
|
//calloc() already zero-ed all flags, so we assign only the ones we need
|
|
|
|
if(conf_mux != NULL)
|
|
{
|
|
if(! strcasecmp(conf_mux, "mpeg1"))
|
|
{
|
|
priv->mux = MUX_MPEG1;
|
|
priv->packet_size = 2048;
|
|
priv->is_genmpeg1 = 1;
|
|
priv->muxrate = 1800 * 125; //Constrained parameters
|
|
}
|
|
else if(! strcasecmp(conf_mux, "dvd"))
|
|
{
|
|
priv->mux = MUX_MPEG2;
|
|
priv->is_dvd = 1;
|
|
priv->packet_size = 2048;
|
|
priv->muxrate = 10080 * 125;
|
|
}
|
|
else if(! strcasecmp(conf_mux, "xsvcd"))
|
|
{
|
|
priv->mux = MUX_MPEG2;
|
|
priv->is_xsvcd = 1;
|
|
priv->packet_size = 2324;
|
|
priv->muxrate = 150*2324;
|
|
priv->ts_allframes = 1;
|
|
}
|
|
else if(! strcasecmp(conf_mux, "xvcd"))
|
|
{
|
|
priv->mux = MUX_MPEG1;
|
|
priv->is_xvcd = 1;
|
|
priv->packet_size = 2324;
|
|
priv->muxrate = 75*2352;
|
|
priv->ts_allframes = 1;
|
|
}
|
|
else if(! strcasecmp(conf_mux, "pes1"))
|
|
{
|
|
priv->mux = MUX_MPEG1;
|
|
priv->rawpes = 1;
|
|
priv->packet_size = 2048;
|
|
priv->muxrate = 10080 * 125;
|
|
priv->ts_allframes = 1;
|
|
}
|
|
else if(! strcasecmp(conf_mux, "pes2"))
|
|
{
|
|
priv->mux = MUX_MPEG2;
|
|
priv->rawpes = 1;
|
|
priv->packet_size = 2048;
|
|
priv->muxrate = 10080 * 125;
|
|
priv->ts_allframes = 1;
|
|
}
|
|
else
|
|
{
|
|
if(strcasecmp(conf_mux, "mpeg2"))
|
|
mp_msg(MSGT_MUXER, MSGL_ERR, "Unknown format %s, default to mpeg2\n", conf_mux);
|
|
priv->mux = MUX_MPEG2;
|
|
priv->is_genmpeg2 = 1;
|
|
priv->packet_size = 2048;
|
|
priv->muxrate = 1800 * 125; //Constrained parameters
|
|
}
|
|
}
|
|
|
|
if(conf_ts_allframes)
|
|
priv->ts_allframes = 1;
|
|
if(conf_muxrate > 0)
|
|
priv->muxrate = conf_muxrate * 125; // * 1000 / 8
|
|
if(conf_packet_size)
|
|
priv->packet_size = conf_packet_size;
|
|
priv->delta_scr = (uint64_t) (90000.0f*300.0f*(double)priv->packet_size/(double)priv->muxrate);
|
|
mp_msg(MSGT_MUXER, MSGL_INFO, "PACKET SIZE: %u bytes, deltascr: %"PRIu64"\n", priv->packet_size, priv->delta_scr);
|
|
setup_sys_params(priv);
|
|
|
|
if(conf_vaspect > 0)
|
|
{
|
|
int asp = (int) (conf_vaspect * 1000.0f);
|
|
if(asp >= 1332 && asp <= 1334)
|
|
priv->vaspect = ASPECT_4_3;
|
|
else if(asp >= 1776 && asp <= 1778)
|
|
priv->vaspect = ASPECT_16_9;
|
|
else if(asp >= 2209 && asp <= 2211)
|
|
priv->vaspect = ASPECT_2_21_1;
|
|
else if(asp == 1000)
|
|
priv->vaspect = ASPECT_1_1;
|
|
else
|
|
mp_msg(MSGT_MUXER, MSGL_ERR, "ERROR: unrecognized aspect %.3f\n", conf_vaspect);
|
|
}
|
|
|
|
priv->vframerate = 0; // no change
|
|
if(conf_telecine && conf_vframerate > 0)
|
|
{
|
|
mp_msg(MSGT_MUXER, MSGL_ERR, "ERROR: options 'telecine' and 'vframerate' are mutually exclusive, vframerate disabled\n");
|
|
conf_vframerate = 0;
|
|
}
|
|
|
|
if(conf_telecine == TELECINE_FILM2PAL)
|
|
{
|
|
if(conf_telecine_src==0.0f) conf_telecine_src = 24000.0/1001.0;
|
|
conf_telecine_dest = 25;
|
|
conf_telecine = TELECINE_DGPULLDOWN;
|
|
}
|
|
else if(conf_telecine == PULLDOWN32)
|
|
{
|
|
if(conf_telecine_src==0.0f) conf_telecine_src = 24000.0/1001.0;
|
|
conf_telecine_dest = 30000.0/1001.0;
|
|
conf_telecine = TELECINE_DGPULLDOWN;
|
|
}
|
|
|
|
if(conf_telecine_src>0 && conf_telecine_dest>0 && conf_telecine_src < conf_telecine_dest)
|
|
{
|
|
int sfps, tfps;
|
|
|
|
sfps = (int) (conf_telecine_src * 1001 + 0.5);
|
|
tfps = (int) (conf_telecine_dest * 1001 + 0.5);
|
|
if(sfps % 2 || tfps % 2)
|
|
{
|
|
sfps *= 2;
|
|
tfps *= 2;
|
|
}
|
|
|
|
if(((tfps - sfps)>>1) > sfps)
|
|
{
|
|
mp_msg(MSGT_MUXER, MSGL_ERR, "ERROR! Framerate increment must be <= 1.5, telecining disabled\n");
|
|
conf_telecine = 0;
|
|
}
|
|
else
|
|
{
|
|
generate_flags(priv->bff_mask, sfps, tfps);
|
|
conf_telecine = TELECINE_DGPULLDOWN;
|
|
conf_vframerate = conf_telecine_dest;
|
|
}
|
|
}
|
|
|
|
if(conf_vframerate)
|
|
{
|
|
int fps;
|
|
|
|
fps = (int) (conf_vframerate * 1001 + 0.5);
|
|
switch(fps)
|
|
{
|
|
case 24000:
|
|
priv->vframerate = FRAMERATE_23976;
|
|
break;
|
|
case 24024:
|
|
priv->vframerate = FRAMERATE_24;
|
|
break;
|
|
case 25025:
|
|
priv->vframerate = FRAMERATE_25;
|
|
break;
|
|
case 30000:
|
|
priv->vframerate = FRAMERATE_2997;
|
|
break;
|
|
case 30030:
|
|
priv->vframerate = FRAMERATE_30;
|
|
break;
|
|
case 50050:
|
|
priv->vframerate = FRAMERATE_50;
|
|
break;
|
|
case 60000:
|
|
priv->vframerate = FRAMERATE_5994;
|
|
break;
|
|
case 60060:
|
|
priv->vframerate = FRAMERATE_60;
|
|
break;
|
|
default:
|
|
{
|
|
mp_msg(MSGT_MUXER, MSGL_ERR, "WRONG FPS: %d/1000, ignoring\n", fps);
|
|
if(conf_telecine)
|
|
mp_msg(MSGT_MUXER, MSGL_ERR, "DISABLED TELECINING\n");
|
|
conf_telecine = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
priv->vwidth = (uint16_t) conf_vwidth;
|
|
priv->vheight = (uint16_t) conf_vheight;
|
|
priv->panscan_width = (uint16_t) conf_panscan_width;
|
|
priv->panscan_height = (uint16_t) conf_panscan_height;
|
|
priv->vbitrate = ((conf_vbitrate) * 10) >> 2; //*1000 / 400
|
|
|
|
if(priv->vaspect || priv->vframerate || priv->vwidth || priv->vheight || priv->vbitrate || priv->panscan_width || priv->panscan_height)
|
|
{
|
|
priv->patch_seq = priv->vaspect || priv->vframerate || priv->vwidth || priv->vheight || priv->vbitrate;
|
|
priv->patch_sde = priv->panscan_width || priv->panscan_height;
|
|
mp_msg(MSGT_MUXER, MSGL_INFO, "MPEG MUXER, patching");
|
|
if(priv->vwidth || priv->vheight)
|
|
mp_msg(MSGT_MUXER, MSGL_INFO, " resolution to %dx%d", priv->vwidth, priv->vheight);
|
|
if(priv->panscan_width || priv->panscan_height)
|
|
mp_msg(MSGT_MUXER, MSGL_INFO, " panscan to to %dx%d", priv->panscan_width, priv->panscan_height);
|
|
if(priv->vframerate)
|
|
mp_msg(MSGT_MUXER, MSGL_INFO, " framerate to %s fps", framerates[priv->vframerate]);
|
|
if(priv->vaspect)
|
|
mp_msg(MSGT_MUXER, MSGL_INFO, " aspect ratio to %s", aspect_ratios[priv->vaspect]);
|
|
if(priv->vbitrate)
|
|
mp_msg(MSGT_MUXER, MSGL_INFO, " bitrate to %u", conf_vbitrate);
|
|
mp_msg(MSGT_MUXER, MSGL_INFO, "\n");
|
|
}
|
|
|
|
priv->has_video = priv->has_audio = 0;
|
|
|
|
muxer->sysrate = priv->muxrate; // initial muxrate = constrained stream parameter
|
|
priv->scr = muxer->file_end = 0;
|
|
|
|
if(conf_init_vdelay && conf_drop)
|
|
{
|
|
mp_msg(MSGT_MUXER, MSGL_ERR, "\nmuxer_mpg, :drop and :vdelay used together are not supported, exiting\n");
|
|
return 0;
|
|
}
|
|
if(conf_init_adelay)
|
|
priv->init_adelay = - (double) conf_init_adelay / (double) 1000.0;
|
|
|
|
priv->drop = conf_drop;
|
|
|
|
priv->buff = malloc(priv->packet_size);
|
|
if((priv->buff == NULL))
|
|
{
|
|
mp_msg(MSGT_MUXER, MSGL_ERR, "\nCouldn't allocate %d bytes, exit\n", priv->packet_size);
|
|
return 0;
|
|
}
|
|
|
|
muxer->priv = (void *) priv;
|
|
muxer->cont_new_stream = &mpegfile_new_stream;
|
|
muxer->cont_write_chunk = &mpegfile_write_chunk;
|
|
muxer->cont_write_header = &mpegfile_write_header;
|
|
muxer->cont_write_index = &mpegfile_write_index;
|
|
muxer->fix_stream_parameters = &fix_parameters;
|
|
return 1;
|
|
}
|