mirror of https://github.com/mpv-player/mpv
2561 lines
69 KiB
C
2561 lines
69 KiB
C
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#include <stdio.h>
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#include <stdlib.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 "../version.h"
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#include "../mp_msg.h"
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#include "bswap.h"
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#include "aviheader.h"
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#include "ms_hdr.h"
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#include "muxer.h"
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#include "stream.h"
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#include "demuxer.h"
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#include "stheader.h"
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#include "../m_option.h"
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#include "mpeg_hdr.h"
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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 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;
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static int conf_drop = 0;
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static int conf_skip_padding = 0;
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static int conf_reorder = 0;
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static int conf_telecine = 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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uint32_t temp_ref;
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uint64_t pts, dts, idur;
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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 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, ts_allframes, has_video, has_audio;
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int skip_padding;
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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, vbytes, abytes, init_delay_pts;
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uint32_t muxrate;
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uint8_t *buff, *tmp, *residual;
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uint32_t residual_cnt, 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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} muxer_priv_t;
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typedef struct {
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int has_pts, has_dts, pes_is_aligned, type, is_late, min_pes_hlen, psm_fixed;
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uint64_t pts, last_pts, last_dts, dts, init_pts, init_dts, size, frame_duration, delta_pts, nom_delta_pts, frame_size, last_saved_pts;
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uint32_t buffer_size;
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uint8_t pes_priv_headers[4], has_pes_priv_headers; //for A52 and LPCM
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uint32_t bitrate, rest;
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int32_t compensate;
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double delta_clock, timer, aframe_delta_pts, last_dpts;
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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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uint16_t max_pl_size;
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int32_t last_tr;
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int max_tr;
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uint8_t id, reorder, is_mpeg12, telecine;
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uint64_t vframes;
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uint8_t trf;
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mp_mpeg_header_t picture;
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} muxer_headers_t;
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m_option_t mpegopts_conf[] = {
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{"format", &(conf_mux), CONF_TYPE_STRING, 0, 0 ,0, NULL},
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{"size", &(conf_packet_size), CONF_TYPE_INT, CONF_RANGE, 0, 65535, NULL},
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{"muxrate", &(conf_muxrate), CONF_TYPE_INT, CONF_RANGE, 0, 12000000, NULL}, //12 Mb/s
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{"vaspect", &(conf_vaspect), CONF_TYPE_FLOAT, 0, 0, 0, NULL},
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{"vframerate", &(conf_vframerate), CONF_TYPE_FLOAT, 0, 0, 0, NULL},
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{"vwidth", &(conf_vwidth), CONF_TYPE_INT, CONF_RANGE, 1, 4095, NULL},
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{"vheight", &(conf_vheight), CONF_TYPE_INT, CONF_RANGE, 1, 4095, NULL},
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{"vpswidth", &(conf_panscan_width), CONF_TYPE_INT, CONF_RANGE, 1, 16383, NULL},
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{"vpsheight", &(conf_panscan_height), CONF_TYPE_INT, CONF_RANGE, 1, 16383, NULL},
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{"vbitrate", &(conf_vbitrate), CONF_TYPE_INT, CONF_RANGE, 1, 104857599, NULL},
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{"init_vpts", &(conf_init_vpts), CONF_TYPE_INT, CONF_RANGE, 100, 700, NULL}, //2*frametime at 60fps
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{"init_apts", &(conf_init_apts), CONF_TYPE_INT, CONF_RANGE, 100, 700, NULL},
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{"vdelay", &conf_init_adelay, CONF_TYPE_INT, CONF_RANGE, 1, 32760, NULL},
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{"drop", &conf_drop, CONF_TYPE_FLAG, 0, 0, 1, NULL},
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{"tsaf", &conf_ts_allframes, CONF_TYPE_FLAG, 0, 0, 1, NULL},
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{"skip_padding", &conf_skip_padding, CONF_TYPE_FLAG, 0, 0, 1, NULL},
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{"reorder", &conf_reorder, CONF_TYPE_FLAG, 0, 0, 1, NULL},
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{"noreorder", &conf_reorder, CONF_TYPE_FLAG, 0, 0, 0, NULL},
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{"telecine", &conf_telecine, CONF_TYPE_FLAG, 0, 0, 1, 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 void fix_buffer_params(muxer_priv_t *priv, uint8_t id, 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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if(priv->sys_info.streams[i].id == id)
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priv->sys_info.streams[i].bufsize = size;
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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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}
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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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}
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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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);
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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
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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 = (mpeg_frame_t *) 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 = (uint8_t *) 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].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 uint32_t calc_pack_hlen(muxer_priv_t *priv, muxer_headers_t *h);
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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 = (muxer_stream_t*) 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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free (s);
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return NULL; // no mem?!
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}
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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 = (muxer_headers_t*) calloc(1, sizeof(muxer_headers_t));
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if(s->priv == NULL) {
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free(s);
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return NULL;
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}
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spriv = (muxer_headers_t *) s->priv;
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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->init_dts = 0;
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spriv->init_pts = conf_init_vpts * 90 * 1024;
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spriv->last_pts = spriv->init_pts;
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spriv->last_saved_pts = 0;
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spriv->init_dts = spriv->last_dts = spriv->init_pts;
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spriv->pts = spriv->dts = 0;
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spriv->last_dpts = spriv->timer;
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spriv->delta_pts = spriv->nom_delta_pts = 0;
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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 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 = (s->h.dwSuggestedBufferSize > 0 ? s->h.dwSuggestedBufferSize : 46*1024);
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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++;
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s->h.fccType=streamtypeVIDEO;
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if(!muxer->def_v) muxer->def_v=s;
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spriv->framebuf_cnt = 30;
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spriv->framebuf_used = 0;
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spriv->framebuf = init_frames(spriv->framebuf_cnt, (size_t) 5000);
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memset(&(spriv->picture), 0, sizeof(spriv->picture));
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if(spriv->framebuf == NULL) {
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mp_msg(MSGT_MUXER, MSGL_FATAL, "Couldn't allocate initial frames structure, abort!\n");
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return NULL;
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}
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if(priv->is_xvcd)
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spriv->min_pes_hlen = 18;
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else if(priv->is_xsvcd)
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spriv->min_pes_hlen = 22;
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spriv->reorder = conf_reorder;
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spriv->telecine = conf_telecine;
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mp_msg (MSGT_MUXER, MSGL_DBG2, "Added video stream %d, ckid=%X\n", muxer->num_videos, s->ckid);
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} else { // MUXER_TYPE_AUDIO
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spriv->type = 0;
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spriv->pts = 1;
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spriv->dts = 0;
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spriv->max_pl_size = priv->packet_size - calc_pack_hlen(priv, spriv);
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spriv->init_pts = conf_init_apts * 90 * 1024;
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spriv->pts = spriv->init_pts;
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spriv->dts = 0;
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spriv->id = 0xc0 + muxer->num_audios;
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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 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 = 0;
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priv->sys_info.streams[n].bufsize = (s->h.dwSuggestedBufferSize > 0 ? s->h.dwSuggestedBufferSize : 4*1024);
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priv->sys_info.cnt++;
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}
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if(priv->is_xvcd)
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spriv->min_pes_hlen = 13;
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else if(priv->is_xsvcd)
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spriv->min_pes_hlen = 17;
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muxer->num_audios++;
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priv->has_audio++;
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s->h.fccType=streamtypeAUDIO;
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mp_msg (MSGT_MUXER, MSGL_DBG2, "Added audio stream %d, ckid=%X\n", s->id - muxer->num_videos + 1, s->ckid);
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}
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muxer->avih.dwStreams++;
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return s;
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}
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static void write_mpeg_ts(unsigned char *b, uint64_t ts, uint8_t mod) {
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ts >>= 10;
|
|
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+49) / 50;
|
|
|
|
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;
|
|
ts >>= 10;
|
|
ts &= 0x1FFFFFFFFULL; //33 bits, no extension; input must be * 92160000
|
|
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 | 0x4;
|
|
b[5] = 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
|
|
buff[len++] = 0xe1; //system_audio_lock, system_video_lock, 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++] = 6; //... lower
|
|
|
|
//registration descriptor
|
|
buff[len++] = 0x5; //tag
|
|
buff[len++] = 4; //length: 4 bytes
|
|
memcpy(&(buff[len]), (char*) &(priv->psm_info.streams[i].format), 4);
|
|
len += 4;
|
|
dlen += 10;
|
|
}
|
|
}
|
|
*(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]) = CalcCRC32(buff, len);
|
|
|
|
len += 4; //for crc
|
|
|
|
return len;
|
|
}
|
|
|
|
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] = 0x10; //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;
|
|
}
|
|
}
|
|
|
|
if(h->has_pes_priv_headers > 0)
|
|
{
|
|
memcpy(&buff[len], h->pes_priv_headers, h->has_pes_priv_headers);
|
|
len += h->has_pes_priv_headers;
|
|
}
|
|
|
|
*((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 void write_psm_block(muxer_t *muxer, FILE *f)
|
|
{
|
|
uint16_t offset, stuffing_len;
|
|
muxer_priv_t *priv = (muxer_priv_t *) muxer->priv;
|
|
uint8_t *buff = priv->buff;
|
|
|
|
offset = write_mpeg_pack_header(muxer, buff);
|
|
offset += write_mpeg_psm(muxer, &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;
|
|
}
|
|
fwrite(buff, offset, 1, f);
|
|
priv->headers_size += offset;
|
|
}
|
|
|
|
|
|
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_V, "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 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; //era 12
|
|
|
|
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 += h->has_pes_priv_headers;
|
|
|
|
return len;
|
|
}
|
|
|
|
static uint32_t calc_pack_hlen(muxer_priv_t *priv, muxer_headers_t *h)
|
|
{
|
|
uint32_t len;
|
|
|
|
if(priv->mux == MUX_MPEG1)
|
|
len = 12;
|
|
else
|
|
len = 14;
|
|
|
|
/*if((priv->is_genmpeg1 || priv->is_genmpeg2) && priv->update_system_header)
|
|
len += (6 + (3*priv->sys_info.cnt));*/
|
|
|
|
if(h->min_pes_hlen > 0)
|
|
len += h->min_pes_hlen;
|
|
else
|
|
len += calc_pes_hlen(priv->mux, h, priv);
|
|
|
|
return len;
|
|
}
|
|
|
|
|
|
static int write_mpeg_pack(muxer_t *muxer, muxer_stream_t *s, FILE *f, char *bl, uint32_t len, int isoend)
|
|
{
|
|
size_t tot, offset, pes_hlen, pack_hlen;
|
|
muxer_priv_t *priv;
|
|
uint8_t *buff;
|
|
int stuffing_len = 0, stflen;
|
|
muxer_headers_t *spriv;
|
|
|
|
priv = (muxer_priv_t *) muxer->priv;
|
|
buff = priv->buff;
|
|
|
|
if(isoend)
|
|
{
|
|
buff[0] = buff[1] = 0;
|
|
buff[2] = 1;
|
|
buff[3] = 0xb9;
|
|
fwrite(buff, 4, 1, f);
|
|
return 1;
|
|
}
|
|
|
|
if((len == 0) || (bl == NULL)) //PACK headers only
|
|
{
|
|
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;
|
|
}
|
|
|
|
fwrite(buff, offset, 1, f);
|
|
priv->headers_size += offset;
|
|
tot = offset;
|
|
muxer->movi_end += tot;
|
|
|
|
return tot;
|
|
}
|
|
else
|
|
{
|
|
spriv = (muxer_headers_t *) s->priv;
|
|
|
|
mp_msg(MSGT_MUXER, MSGL_V, "\nwrite_mpeg_pack(MUX=%d, len=%u, rate=%u, id=%X, pts: %llu, dts: %llu, scr: %llu, PACK_size:%u\n",
|
|
priv->mux, len, muxer->sysrate, s->ckid, spriv->pts, spriv->dts, priv->scr, priv->packet_size);
|
|
|
|
//stflen is the count of stuffing bytes in the pes header itself,
|
|
//stuffing_len is the size of the stuffing pes stream (must be at least 7 bytes long)
|
|
stflen = stuffing_len = 0;
|
|
offset = 0;
|
|
offset = pack_hlen = write_mpeg_pack_header(muxer, &buff[offset]);
|
|
|
|
if(priv->update_system_header && (priv->is_genmpeg1 || priv->is_genmpeg2))
|
|
{
|
|
pack_hlen += write_mpeg_system_header(muxer, &buff[offset]);
|
|
priv->update_system_header = 0;
|
|
}
|
|
|
|
offset = pack_hlen;
|
|
|
|
pes_hlen = calc_pes_hlen(priv->mux, spriv, priv);
|
|
if(spriv->min_pes_hlen > 0)
|
|
{
|
|
if(spriv->min_pes_hlen > pes_hlen)
|
|
stflen = spriv->min_pes_hlen - pes_hlen;
|
|
}
|
|
|
|
if((len >= priv->packet_size - pack_hlen - max(pes_hlen, spriv->min_pes_hlen)))
|
|
stuffing_len = 0;
|
|
else
|
|
stuffing_len = priv->packet_size - pack_hlen - max(pes_hlen, spriv->min_pes_hlen) - len;
|
|
|
|
if(stuffing_len > 0)
|
|
{
|
|
if(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;
|
|
}
|
|
}
|
|
}
|
|
|
|
if(priv->skip_padding) //variable packet size, just for fun and to reduce file size
|
|
{
|
|
stuffing_len = 0;
|
|
len = min(len, priv->packet_size - pack_hlen - pes_hlen - stflen);
|
|
}
|
|
else
|
|
len = priv->packet_size - pack_hlen - pes_hlen - stflen - stuffing_len;
|
|
|
|
mp_msg(MSGT_MUXER, MSGL_V, "LEN=%d, pack: %d, pes: %d, stf: %d, stf2: %d\n", len, pack_hlen, pes_hlen, stflen, stuffing_len);
|
|
|
|
pes_hlen = write_mpeg_pes_header(spriv, (uint8_t *) &s->ckid, &buff[offset], len, stflen, priv->mux);
|
|
|
|
offset += pes_hlen;
|
|
|
|
fwrite(buff, offset, 1, f);
|
|
mp_msg(MSGT_MUXER, MSGL_V, "pack_len = %u, pes_hlen = %u, stuffing_len: %d+%d, SCRIVO: %d bytes di payload\n",
|
|
pack_hlen, pes_hlen, stuffing_len, stflen, len);
|
|
fwrite(bl, len, 1, f);
|
|
|
|
offset += len;
|
|
|
|
if(stuffing_len > 0)
|
|
{
|
|
//insert a PES padding packet
|
|
mp_msg(MSGT_MUXER, MSGL_V, "STUFFING: %d\n", stuffing_len);
|
|
write_pes_padding(buff, stuffing_len);
|
|
fwrite(buff, stuffing_len, 1, f);
|
|
}
|
|
else
|
|
stuffing_len = 0;
|
|
|
|
offset += stuffing_len;
|
|
|
|
mp_msg(MSGT_MUXER, MSGL_V, "\nwritten len=%d, spriv: pack(%d), pes(%d), stuffing(%d) tot(%d), offset: %d\n",
|
|
len, pack_hlen, pes_hlen, stuffing_len, pack_hlen + pes_hlen + stuffing_len, offset);
|
|
|
|
priv->headers_size += pack_hlen + pes_hlen + stuffing_len + stflen;
|
|
priv->data_size += len;
|
|
muxer->movi_end += offset;
|
|
|
|
return len;
|
|
}
|
|
}
|
|
|
|
|
|
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);
|
|
}
|
|
}
|
|
|
|
|
|
#define max(a, b) ((a) >= (b) ? (a) : (b))
|
|
#define min(a, b) ((a) <= (b) ? (a) : (b))
|
|
|
|
|
|
static uint32_t get_audio_frame_size(muxer_headers_t *spriv, uint8_t *buf, int format, int samples_ps)
|
|
{
|
|
uint32_t sz, tmp, spf;
|
|
|
|
#ifdef USE_LIBA52
|
|
#include "../liba52/a52.h"
|
|
if(format == 0x2000)
|
|
{
|
|
int t1, t2, t3;
|
|
sz = (uint32_t) a52_syncinfo(buf, &t1, &t2, &t3);
|
|
if(sz)
|
|
return sz;
|
|
}
|
|
#endif
|
|
if(format == 0x2000)
|
|
spf = 1536;
|
|
else if((format == 0x55) && (samples_ps < 32000))
|
|
spf = 576;
|
|
else
|
|
spf = 1152;
|
|
|
|
tmp = spriv->bitrate * spf;
|
|
sz = tmp / samples_ps;
|
|
if(sz % 2)
|
|
sz++;
|
|
|
|
return sz;
|
|
}
|
|
|
|
|
|
static int reorder_frame(muxer_headers_t *spriv, uint8_t *ptr, size_t len, uint8_t pt, uint32_t temp_ref, uint64_t idur)
|
|
{
|
|
uint16_t idx = 0, move=0;
|
|
|
|
/* HOW TO REORDER FRAMES IN DECODING ORDER:
|
|
current frame is n
|
|
IF pt(n)==I or P and
|
|
n>0 && temp_ref(n) > temp_ref(n-1) && pt(n-1 .. n-m)==B
|
|
then insert frame n before frame n-m
|
|
and shift forward the others
|
|
*/
|
|
|
|
idx = spriv->framebuf_used;
|
|
if(spriv->reorder)
|
|
{
|
|
//stores the frame in decoding order
|
|
if((idx > 0) && ((pt == I_FRAME) || (pt == P_FRAME)))
|
|
{
|
|
if((spriv->framebuf[idx - 1].type == B_FRAME) && (spriv->framebuf[idx - 1].temp_ref == temp_ref-1))
|
|
{
|
|
while((spriv->framebuf[idx - 1].type == B_FRAME) && (spriv->framebuf[idx - 1].temp_ref < temp_ref) && (idx > 0))
|
|
idx--;
|
|
move = spriv->framebuf_used - idx; //from idx there are 'move' frames to move forward
|
|
}
|
|
}
|
|
}
|
|
|
|
//now idx is the position where we should store the frame
|
|
if(idx+move >= spriv->framebuf_cnt)
|
|
{ //realloc
|
|
//fprintf(stderr, "\nREALLOC1: %d\n", (int) spriv->framebuf_cnt+1);
|
|
spriv->framebuf = (mpeg_frame_t*) realloc(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 0;
|
|
}
|
|
|
|
spriv->framebuf[spriv->framebuf_cnt].size = 0;
|
|
spriv->framebuf[spriv->framebuf_cnt].alloc_size = 0;
|
|
|
|
spriv->framebuf[spriv->framebuf_cnt].buffer = (uint8_t*) 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 0;
|
|
}
|
|
spriv->framebuf[spriv->framebuf_cnt].alloc_size = len;
|
|
spriv->framebuf_cnt++;
|
|
}
|
|
|
|
|
|
|
|
while(move > 0)
|
|
{
|
|
mpeg_frame_t f;
|
|
|
|
f = spriv->framebuf[move + idx];
|
|
spriv->framebuf[move + idx] = spriv->framebuf[move + idx - 1];
|
|
spriv->framebuf[move + idx - 1] = f;
|
|
move--;
|
|
}
|
|
|
|
if(spriv->framebuf[idx].alloc_size < len)
|
|
{
|
|
spriv->framebuf[idx].buffer = realloc(spriv->framebuf[idx].buffer, len);
|
|
if(spriv->framebuf[idx].buffer == NULL)
|
|
{
|
|
mp_msg(MSGT_MUXER, MSGL_FATAL, "Couldn't realloc frame buffer(frame), abort\n");
|
|
return 0;
|
|
}
|
|
spriv->framebuf[idx].alloc_size = len;
|
|
}
|
|
|
|
mp_msg(MSGT_MUXER, MSGL_DBG2, "\nIDX: %u, type: %c, temp_ref: %u, ptr: %p, len: %u, alloc: %u, buffer: %p\n",
|
|
(uint32_t) idx, FTYPE(pt), temp_ref, ptr, (uint32_t) len, (uint32_t) spriv->framebuf[idx].alloc_size, spriv->framebuf[idx].buffer);
|
|
|
|
memcpy(spriv->framebuf[idx].buffer, ptr, len);
|
|
spriv->framebuf[idx].size = len;
|
|
spriv->framebuf[idx].temp_ref = temp_ref;
|
|
spriv->framebuf[idx].type = pt;
|
|
spriv->framebuf[idx].idur = idur;
|
|
spriv->framebuf_used++;
|
|
|
|
return 1;
|
|
}
|
|
|
|
|
|
static uint32_t dump_audio(muxer_t *muxer, muxer_stream_t *as, uint32_t abytes, int force)
|
|
{
|
|
uint32_t len = 0, sz;
|
|
uint64_t num_frames = 0, next_pts;
|
|
uint16_t rest;
|
|
int64_t tmp;
|
|
double delta_pts;
|
|
muxer_priv_t *priv = (muxer_priv_t *) muxer->priv;
|
|
muxer_headers_t *apriv = (muxer_headers_t*) as->priv;
|
|
|
|
if((abytes < apriv->frame_size) && (! force)) //pl_size
|
|
//if((abytes < apriv->max_pl_size) && (! force)) //pl_size
|
|
{
|
|
apriv->is_late = 1;
|
|
mp_msg(MSGT_MUXER, MSGL_V, "NOT SAVING: %u bytes\n", abytes);
|
|
return 0;
|
|
}
|
|
|
|
abytes = min(abytes, as->b_buffer_len); //available bytes
|
|
if(! abytes)
|
|
return 0;
|
|
|
|
if(as->ckid == be2me_32(0x1bd))
|
|
apriv->has_pes_priv_headers = 4;
|
|
else
|
|
apriv->has_pes_priv_headers = 0;
|
|
|
|
rest = (apriv->size % apriv->frame_size);
|
|
if(rest)
|
|
rest = apriv->frame_size - rest;
|
|
|
|
sz = priv->packet_size - calc_pack_hlen(priv, apriv); //how many payload bytes we are about to write
|
|
num_frames = (sz + apriv->frame_size - 1 - rest) / apriv->frame_size;
|
|
|
|
mp_msg(MSGT_MUXER, MSGL_V, "\nAUDIO: tot=%llu, sz=%u bytes, FRAMES: %llu * %u, REST: %u, DELTA_PTS: %u\n",
|
|
apriv->size, sz, num_frames, (uint32_t) apriv->frame_size, (uint32_t) rest, (uint32_t) ((num_frames * apriv->delta_pts) >> 10));
|
|
|
|
next_pts = ((uint64_t) (num_frames * apriv->delta_pts)) + apriv->pts;
|
|
if(((priv->scr + (63000*1024)) < next_pts) && (priv->scr < apriv->pts) && (! force))
|
|
{
|
|
apriv->is_late = 1;
|
|
return 0;
|
|
}
|
|
|
|
if(as->ckid == be2me_32(0x1bd))
|
|
{
|
|
apriv->pes_priv_headers[0] = 0x80;
|
|
apriv->pes_priv_headers[1] = num_frames;
|
|
apriv->pes_priv_headers[2] = ((rest+1) >> 8) & 0xff; //256 * 0 ...
|
|
apriv->pes_priv_headers[3] = (rest+1) & 0xff; // + 1 byte(s) to skip
|
|
}
|
|
|
|
if((priv->is_xsvcd || priv->is_xvcd) && apriv->size == 0)
|
|
apriv->buffer_size = 4*1024;
|
|
|
|
if(apriv->pts < priv->scr)
|
|
mp_msg(MSGT_MUXER, MSGL_ERR, "\nERROR: SCR: %llu, APTS: %llu, DELTA=-%.3lf secs\n",
|
|
priv->scr, apriv->pts, (double) ((priv->scr - apriv->pts)/92160000.0));
|
|
|
|
len = write_mpeg_pack(muxer, as, muxer->file, &(as->b_buffer[as->b_buffer_ptr]), abytes, 0);
|
|
if((priv->is_xsvcd || priv->is_xvcd) && apriv->size == 0)
|
|
apriv->buffer_size = 0;
|
|
|
|
apriv->size += len;
|
|
apriv->pts = next_pts;
|
|
|
|
mp_msg(MSGT_MUXER, MSGL_DBG2, "NUM_FRAMES: %llu\n", num_frames);
|
|
|
|
tmp = apriv->pts - priv->scr;
|
|
if((abs(tmp) > (63000*1024)) || (apriv->pts <= priv->scr))
|
|
{
|
|
double d;
|
|
d = (double) apriv->frame_size / (double) apriv->bitrate;
|
|
d *= (tmp - (63000*1024));
|
|
apriv->compensate = (uint32_t) d;
|
|
|
|
if(abs(tmp) > 92160000) //usually up to 1 second it still acceptable
|
|
mp_msg(MSGT_MUXER, MSGL_ERR, "\nWARNING: SCR: %llu, APTS: %llu, DELTA=%.3lf secs, BYTES=%d\n", priv->scr, apriv->pts,
|
|
(((double) tmp)/92160000.0), apriv->compensate);
|
|
}
|
|
|
|
mp_msg(MSGT_MUXER, MSGL_V, "\nWRITTEN AUDIO: %u bytes, TIMER: %.3lf, FRAMES: %llu * %u, DELTA_PTS: %.3lf\n",
|
|
len, (double) (apriv->pts/92160000), num_frames, (uint32_t) apriv->frame_size, delta_pts);
|
|
|
|
as->b_buffer_ptr += len;
|
|
as->b_buffer_len -= len;
|
|
|
|
if(as->b_buffer_len > 0)
|
|
memmove(as->b_buffer, &(as->b_buffer[as->b_buffer_ptr]), as->b_buffer_len);
|
|
as->b_buffer_ptr = 0;
|
|
|
|
return len;
|
|
}
|
|
|
|
static void drop_delayed_audio(muxer_t *muxer, muxer_stream_t *as, int64_t size)
|
|
{
|
|
//muxer_priv_t *priv = (muxer_priv_t *) muxer->priv;
|
|
muxer_headers_t *apriv = (muxer_headers_t *) as->priv;
|
|
int64_t size1, div, rest; //initial value
|
|
double rest_pts;
|
|
|
|
div = size / apriv->frame_size;
|
|
rest = size % apriv->frame_size;
|
|
if(rest >= apriv->frame_size / 2)
|
|
size1 = (div+1) * apriv->frame_size;
|
|
else
|
|
size1 = (div) * apriv->frame_size;
|
|
|
|
fprintf(stderr, "SIZE1: %llu, LEN: %llu\n", size1, (uint64_t)as->b_buffer_len);
|
|
size1 = min(size1, as->b_buffer_len);
|
|
memmove(as->b_buffer, &(as->b_buffer[size]), as->b_buffer_len - size1);
|
|
as->b_buffer_len -= size1;
|
|
|
|
rest = size1 - size;
|
|
rest_pts = (double) rest / (double) apriv->bitrate;
|
|
apriv->pts += (int64_t) (92160000.0 * rest_pts);
|
|
mp_msg(MSGT_MUXER, MSGL_V, "DROPPED: %lld bytes, REST= %lld, REST_PTS: %.3lf, AUDIO_PTS%.3lf\n", size1, rest, rest_pts, (double) (apriv->pts/92160000.0));
|
|
}
|
|
|
|
|
|
static void save_delayed_audio(muxer_t *muxer, muxer_stream_t *as, uint64_t dur)
|
|
{
|
|
muxer_priv_t *priv = (muxer_priv_t *) muxer->priv;
|
|
muxer_headers_t *apriv = (muxer_headers_t *) as->priv;
|
|
uint64_t init_pts, last_pts; //initial value
|
|
|
|
init_pts = apriv->pts;
|
|
mp_msg(MSGT_MUXER, MSGL_V, "DUR: %llu, DIFF: %llu\n", dur, apriv->pts - init_pts);
|
|
while(dur > apriv->pts - init_pts)
|
|
{
|
|
priv->scr = (92160000 * apriv->size) / apriv->bitrate;
|
|
last_pts = apriv->pts;
|
|
dump_audio(muxer, as, as->b_buffer_len, 0);
|
|
mp_msg(MSGT_MUXER, MSGL_V, "DUR: %llu, DIFF: %llu, SCR: %llu\n", dur, apriv->pts - init_pts, priv->scr);
|
|
}
|
|
|
|
//priv->init_delay_pts = last_pts;
|
|
priv->init_delay_pts = (90 * 1024 * abs(conf_init_adelay)) + apriv->init_pts - (90 * 1024 * abs(conf_init_vpts));
|
|
if(priv->init_delay_pts <= priv->scr)
|
|
priv->init_delay_pts = last_pts;
|
|
mp_msg(MSGT_MUXER, MSGL_INFO, "INIT_VPTS: %llu (%.3lf)\n", priv->init_delay_pts, (double) (priv->init_delay_pts/92160000.0));
|
|
}
|
|
|
|
|
|
static inline void update_scr(muxer_priv_t *priv, uint32_t len, uint32_t totlen, double mult)
|
|
{
|
|
uint64_t delta_scr;
|
|
double perc;
|
|
|
|
perc = (double) len / (double) totlen;
|
|
|
|
delta_scr = (uint64_t) (mult * perc);
|
|
priv->scr += delta_scr;
|
|
|
|
mp_msg(MSGT_MUXER, MSGL_V, "UPDATE SCR TO %llu (%.3lf): mult is %.3lf, perc: %.3lf, %u/%u, delta: %llu\n",
|
|
priv->scr, (double) (priv->scr/92160000.0), mult, perc, len, totlen, delta_scr);
|
|
}
|
|
|
|
|
|
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_V, "\n");
|
|
while(n < vpriv->framebuf_used)
|
|
{
|
|
mp_msg(MSGT_MUXER, MSGL_V, "n=%d, type=%c, temp_ref=%u\n", n, FTYPE(vpriv->framebuf[n].type), vpriv->framebuf[n].temp_ref);
|
|
if(n+1 < vpriv->framebuf_used)
|
|
mp_msg(MSGT_MUXER, MSGL_V, "n+1=%d, type=%c, temp_ref=%u\n", n+1, FTYPE(vpriv->framebuf[n+1].type), vpriv->framebuf[n+1].temp_ref);
|
|
|
|
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 uint64_t fix_pts(muxer_priv_t *priv, muxer_headers_t *vpriv, int n)
|
|
{
|
|
int i, j, fixed = 0;
|
|
uint64_t last_dts, last_idur, ret;
|
|
uint32_t mintr, maxtr;
|
|
|
|
ret = 0;
|
|
if((vpriv->size == 0) && (fixed == 0)) //first pts adjustment, only at the beginning of the stream to manage BBI structures
|
|
{
|
|
int delay = 0;
|
|
for(i = 0; i < n; i++)
|
|
{
|
|
if(vpriv->framebuf[i].type == I_FRAME)
|
|
{
|
|
for(j = i + 1; j < n; j++)
|
|
{
|
|
if(vpriv->framebuf[i].temp_ref >= vpriv->framebuf[j].temp_ref)
|
|
{
|
|
ret += vpriv->framebuf[j].idur;
|
|
delay++;
|
|
fixed = 1;
|
|
}
|
|
}
|
|
if(fixed)
|
|
break;
|
|
}
|
|
}
|
|
|
|
if(! fixed)
|
|
ret = 0;
|
|
else
|
|
vpriv->last_pts += ret;
|
|
|
|
mp_msg(MSGT_MUXER, MSGL_INFO, "INITIAL DELAY of %d frames\n", delay);
|
|
}
|
|
|
|
//KLUDGE BEGINS: Gop header (0x000001b8 in the video stream that signals a temp_ref wraparound) is _not_ mandatory,
|
|
//so if we don't detect the right wraparound we will have a totally wrong timestamps assignment; let's go on
|
|
mintr = vpriv->framebuf[0].temp_ref;
|
|
maxtr = vpriv->framebuf[0].temp_ref;
|
|
for(i = 0; i < n; i++)
|
|
{
|
|
mintr = min(vpriv->framebuf[i].temp_ref, mintr);
|
|
maxtr = max(vpriv->framebuf[i].temp_ref, maxtr);
|
|
}
|
|
if(maxtr - mintr > 600) //there must be a temp_ref wraparound
|
|
{
|
|
mp_msg(MSGT_MUXER, MSGL_INFO, "\nDETECTED possible temp_ref wraparound in the videostreams: n=%d, mintr=%u, maxtr=%u\n", n, mintr, maxtr);
|
|
for(i = 0; i < n; i++)
|
|
{
|
|
if(vpriv->framebuf[i].temp_ref < 1000)
|
|
vpriv->framebuf[i].temp_ref += 1024;
|
|
}
|
|
}
|
|
//KLUDGE ENDS
|
|
|
|
|
|
for(i = 0; i < n; i++)
|
|
{
|
|
vpriv->framebuf[i].pts = vpriv->last_pts;
|
|
|
|
for(j = 0; j < n; j++)
|
|
{
|
|
if((vpriv->framebuf[i].temp_ref >= vpriv->framebuf[j].temp_ref) && (i != j))
|
|
{
|
|
vpriv->framebuf[i].pts += vpriv->framebuf[j].idur;
|
|
}
|
|
}
|
|
}
|
|
|
|
if(vpriv->size == 0)
|
|
last_dts = vpriv->init_dts = vpriv->framebuf[0].pts - (ret + vpriv->framebuf[0].idur);
|
|
else
|
|
last_dts = vpriv->last_dts;
|
|
|
|
last_idur = 0;
|
|
|
|
mp_msg(MSGT_MUXER, MSGL_V, "\n");
|
|
for(i = 0; i < n; i++)
|
|
{
|
|
vpriv->framebuf[i].dts = last_dts + last_idur;
|
|
last_idur = vpriv->framebuf[i].idur;
|
|
last_dts = vpriv->framebuf[i].dts;
|
|
mp_msg(MSGT_MUXER, MSGL_V, "I=%d, type: %c, TR: %u, pts=%.3lf, dts=%.3lf, size=%u\n",
|
|
i, FTYPE(vpriv->framebuf[i].type), vpriv->framebuf[i].temp_ref, (double) (vpriv->framebuf[i].pts/92160000.0),
|
|
(double) (vpriv->framebuf[i].dts/92160000.0), vpriv->framebuf[i].size);
|
|
}
|
|
|
|
if((vpriv->size == 0) && (priv->init_delay_pts > 0))
|
|
{
|
|
uint64_t diff;
|
|
|
|
for(i = 0; i < vpriv->framebuf_used; i++)
|
|
{
|
|
vpriv->framebuf[i].pts += priv->init_delay_pts;
|
|
vpriv->framebuf[i].dts += priv->init_delay_pts;
|
|
}
|
|
|
|
diff = vpriv->framebuf[0].pts - vpriv->framebuf[0].dts;
|
|
if(vpriv->init_pts >= diff)
|
|
vpriv->init_dts = vpriv->init_pts - diff;
|
|
else
|
|
vpriv->init_dts = diff;
|
|
|
|
vpriv->last_dts += priv->init_delay_pts;
|
|
|
|
vpriv->init_pts = 0;
|
|
vpriv->last_pts += priv->init_delay_pts;
|
|
|
|
priv->init_delay_pts = 0;
|
|
mp_msg(MSGT_MUXER, MSGL_INFO, "INIT delayed video timestamps: PTS=%.3lf, DTS=%.3lf, DUR=%.3lf\n",
|
|
(double) (vpriv->last_pts/92160000.0), (double) (vpriv->last_dts/92160000.0), (double) (vpriv->framebuf[0].idur/92160000.0));
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
|
|
static void check_pts(muxer_priv_t *priv, muxer_headers_t *vpriv, int i)
|
|
{
|
|
uint64_t dpts;
|
|
|
|
dpts = max(vpriv->last_saved_pts, vpriv->pts) - min(vpriv->last_saved_pts, vpriv->pts);
|
|
dpts += vpriv->framebuf[i].idur;
|
|
|
|
if((!priv->ts_allframes) && (
|
|
(priv->is_dvd && (vpriv->framebuf[i].type != I_FRAME)) ||
|
|
((priv->is_genmpeg1 || priv->is_genmpeg2) && (vpriv->framebuf[i].type != I_FRAME) && (dpts < 64512000))) //0.7 seconds
|
|
)
|
|
vpriv->pts = vpriv->dts = 0;
|
|
|
|
if(vpriv->dts && ((vpriv->dts < priv->scr) || (vpriv->pts <= vpriv->dts)))
|
|
{
|
|
mp_msg(MSGT_MUXER, MSGL_V, "\nWARNING, SCR: %.3lf, DTS: %.3lf, PTS: %.3lf\n",
|
|
(double) priv->scr/92160000.0,(double) vpriv->dts/92160000.0, (double) vpriv->pts/92160000.0);
|
|
vpriv->dts = 0;
|
|
}
|
|
|
|
if(vpriv->pts && (vpriv->pts <= priv->scr))
|
|
{
|
|
mp_msg(MSGT_MUXER, MSGL_ERR, "ERROR: SCR: %.3lf, VPTS: %.3lf, DELTA=-%.3lf secs\n",
|
|
(double) (priv->scr/92160000.0), (double)(vpriv->pts/92160000.0), (double) ((priv->scr - vpriv->pts)/92160000.0));
|
|
vpriv->pts = vpriv->dts = 0;
|
|
}
|
|
|
|
if(vpriv->pts)
|
|
vpriv->last_saved_pts = vpriv->pts;
|
|
}
|
|
|
|
static uint32_t calc_audio_chunk_size(muxer_stream_t *as, double duration, int finalize)
|
|
{
|
|
muxer_headers_t *apriv;
|
|
uint32_t x, div, rest, abytes;
|
|
double adur;
|
|
uint64_t iaduration;
|
|
|
|
apriv = (muxer_headers_t*) as->priv;
|
|
abytes = (uint32_t) (duration * apriv->bitrate); //size of audio data to write
|
|
x = (abytes + apriv->max_pl_size - 1) / apriv->max_pl_size;
|
|
x *= apriv->max_pl_size;
|
|
adur = (double) x / (double) apriv->bitrate;
|
|
iaduration = (uint64_t) ((double) 92160000 * adur);
|
|
|
|
abytes -= apriv->compensate;
|
|
div = abytes / apriv->max_pl_size;
|
|
rest = abytes % apriv->max_pl_size;
|
|
if(apriv->compensate > 0)
|
|
abytes = apriv->max_pl_size * (div - 1);
|
|
else if(apriv->compensate < 0)
|
|
abytes = apriv->max_pl_size * (div + 1);
|
|
else
|
|
abytes = apriv->max_pl_size * (rest ? div + 1 : div);
|
|
apriv->compensate = 0;
|
|
|
|
if(finalize)
|
|
abytes = as->b_buffer_len;
|
|
|
|
return abytes;
|
|
}
|
|
|
|
static int flush_buffers(muxer_t *muxer, int finalize)
|
|
{
|
|
int i, n, pl_size, found;
|
|
size_t saved;
|
|
uint32_t abytes, vbytes, bytes = 0, frame_bytes = 0, audio_rest = 0, tot = 0, muxrate;
|
|
uint32_t offset;
|
|
uint64_t idur, 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;
|
|
uint8_t *tmp;
|
|
double mult, duration;
|
|
uint64_t iduration;
|
|
mpeg_frame_t temp_frame;
|
|
|
|
/*
|
|
analyzes all streams and decides what to flush
|
|
trying to respect an interleaving distribution
|
|
equal to the v_bitrate/a_bitrate proportion
|
|
*/
|
|
init:
|
|
n = 0;
|
|
vs = as = NULL;
|
|
abytes = vbytes = 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;
|
|
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_V, "\nVIDEO, FLUSH %d frames (of %d), 0 to %d\n", n, vpriv->framebuf_used, n-1);
|
|
|
|
tmp = priv->tmp;
|
|
vbytes = 0;
|
|
vpriv = (muxer_headers_t*) vs->priv;
|
|
|
|
if(priv->residual_cnt)
|
|
{
|
|
mpeg_frame_t *f = &(vpriv->framebuf[0]);
|
|
size_t sz = f->size + priv->residual_cnt;
|
|
|
|
if(f->alloc_size < sz)
|
|
{
|
|
f->buffer = (uint8_t *) realloc(f->buffer, sz);
|
|
f->alloc_size = sz;
|
|
}
|
|
memmove(&(f->buffer[priv->residual_cnt]), f->buffer, f->size);
|
|
memcpy(f->buffer, priv->residual, priv->residual_cnt);
|
|
f->size += priv->residual_cnt;
|
|
priv->residual_cnt = 0;
|
|
}
|
|
|
|
duration = 0;
|
|
iduration = 0;
|
|
for(i = 0; i < n; i++)
|
|
{
|
|
vbytes += vpriv->framebuf[i].size;
|
|
iduration += vpriv->framebuf[i].idur;
|
|
}
|
|
duration = (double) (iduration / 92160000.0);
|
|
|
|
if(vpriv->is_mpeg12)
|
|
init_delay = fix_pts(priv, vpriv, n);
|
|
else
|
|
init_delay = 0;
|
|
|
|
if(as != NULL)
|
|
{
|
|
apriv = (muxer_headers_t*) as->priv;
|
|
abytes = calc_audio_chunk_size(as, duration, finalize);
|
|
|
|
if((abytes / apriv->max_pl_size) > n)
|
|
audio_rest = (abytes - (apriv->max_pl_size * n)) / n;
|
|
else
|
|
audio_rest = 0;
|
|
|
|
if(as->b_buffer_len < abytes)
|
|
{
|
|
mp_msg(MSGT_MUXER, MSGL_V, "Not enough audio data (%u < %u), exit\n", as->b_buffer_len, abytes);
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
if((as != NULL) && (init_delay > 0))
|
|
{
|
|
if(apriv->size == 0)
|
|
apriv->pts += init_delay;
|
|
}
|
|
|
|
saved = 0;
|
|
bytes = vbytes + abytes;
|
|
muxrate = (uint32_t) ((double) bytes/duration);
|
|
if(muxrate > muxer->sysrate && (priv->is_genmpeg1 || priv->is_genmpeg2))
|
|
{
|
|
mp_msg(MSGT_MUXER, MSGL_V, "NEW MUXRATE: %u -> %u\n", muxrate, muxer->sysrate);
|
|
muxer->sysrate = muxrate;
|
|
}
|
|
|
|
idur = 0;
|
|
offset = 0;
|
|
priv->scr = vpriv->framebuf[0].dts - vpriv->init_dts;
|
|
|
|
if((priv->is_xvcd || priv->is_xsvcd) && (vpriv->size == 0))
|
|
vpriv->buffer_size = (priv->is_xvcd ? 46 : 230)*1024;
|
|
|
|
i = 0;
|
|
while(i < n)
|
|
{
|
|
int frame_begin = 1, update;
|
|
uint32_t pl_size = 0, target_size;
|
|
uint8_t *buf;
|
|
|
|
mp_msg(MSGT_MUXER, MSGL_V, "FRAME: %d, type: %c, TEMP_REF: %u, SIZE: %u\n",
|
|
i, FTYPE(vpriv->framebuf[i].type), vpriv->framebuf[i].temp_ref, vpriv->framebuf[i].size);
|
|
|
|
vpriv->pts = vpriv->framebuf[i].pts;
|
|
vpriv->dts = vpriv->framebuf[i].dts;
|
|
check_pts(priv, vpriv, i);
|
|
|
|
if(priv->is_dvd && (vpriv->framebuf[i].type == I_FRAME) && (offset == 0))
|
|
{
|
|
write_mpeg_pack(muxer, NULL, muxer->file, NULL, 0, 0); //insert fake Nav Packet
|
|
vpriv->pes_is_aligned = 1;
|
|
}
|
|
|
|
offset = 0;
|
|
vbytes = vpriv->framebuf[i].size;
|
|
while(vbytes > 0 && (i < n))
|
|
{
|
|
target_size = priv->packet_size - calc_pack_hlen(priv, vpriv);
|
|
if((vbytes >= target_size) || ((vbytes < target_size) && (i == n-1)))
|
|
{
|
|
buf = &(vpriv->framebuf[i].buffer[offset]);
|
|
pl_size = vbytes;
|
|
update = 1;
|
|
}
|
|
else
|
|
{
|
|
uint32_t tmp_offset = 0;
|
|
|
|
if(offset == 0)
|
|
{
|
|
vpriv->pts = vpriv->framebuf[i].pts;
|
|
vpriv->dts = vpriv->framebuf[i].dts;
|
|
check_pts(priv, vpriv, i);
|
|
}
|
|
else if(i < n-1)
|
|
{
|
|
vpriv->pts = vpriv->framebuf[i+1].pts;
|
|
vpriv->dts = vpriv->framebuf[i+1].dts;
|
|
check_pts(priv, vpriv, i+1);
|
|
}
|
|
else
|
|
vpriv->pts = vpriv->dts = 0;
|
|
|
|
target_size = priv->packet_size - calc_pack_hlen(priv, vpriv); //it was only priv->packet_size
|
|
update = 0;
|
|
|
|
while((tmp_offset < target_size) && (i < n))
|
|
{
|
|
pl_size = min(target_size - tmp_offset, vbytes);
|
|
memcpy(&(tmp[tmp_offset]), &(vpriv->framebuf[i].buffer[offset]), pl_size);
|
|
tmp_offset += pl_size;
|
|
offset += pl_size;
|
|
vbytes -= pl_size;
|
|
|
|
if(vbytes == 0) //current frame is saved, pass to the next
|
|
{
|
|
i++;
|
|
vbytes = vpriv->framebuf[i].size;
|
|
offset = 0;
|
|
frame_begin = 1;
|
|
}
|
|
}
|
|
buf = tmp;
|
|
pl_size = tmp_offset;
|
|
}
|
|
|
|
|
|
if((pl_size < priv->packet_size - calc_pack_hlen(priv, vpriv)) && !finalize && (i >= n - 1))
|
|
{
|
|
memcpy(priv->residual, buf, pl_size);
|
|
priv->residual_cnt = pl_size;
|
|
pl_size = update = vbytes = 0;
|
|
}
|
|
if(pl_size)
|
|
pl_size = write_mpeg_pack(muxer, vs, muxer->file, buf, pl_size, 0);
|
|
vpriv->pes_is_aligned = 0;
|
|
vpriv->pts = vpriv->dts = 0;
|
|
vpriv->buffer_size = 0;
|
|
vpriv->size += pl_size;
|
|
if(update)
|
|
{
|
|
vbytes -= pl_size;
|
|
offset += pl_size;
|
|
}
|
|
|
|
/* this is needed to calculate SCR */
|
|
frame_bytes = max(vpriv->framebuf[i].size, priv->packet_size) + priv->packet_size;
|
|
if(abytes > 0)
|
|
//frame_bytes += min(apriv->max_pl_size, priv->packet_size) + audio_rest;
|
|
frame_bytes += min(apriv->max_pl_size, abytes) + audio_rest;
|
|
|
|
if(priv->ts_allframes)
|
|
{
|
|
tot = frame_bytes;
|
|
mult = (double) vpriv->framebuf[min(i, n-1)].idur;
|
|
}
|
|
else
|
|
{
|
|
tot = bytes;
|
|
//mult = (double) (max(iduration, iaduration));
|
|
mult = (double) (iduration);
|
|
}
|
|
update_scr(priv, pl_size, tot, mult);
|
|
|
|
|
|
if(abytes > 0 && frame_begin) //it's time to save audio
|
|
{
|
|
pl_size = dump_audio(muxer, as, abytes, finalize);
|
|
if(pl_size > 0)
|
|
{
|
|
abytes -= pl_size;
|
|
update_scr(priv, pl_size, tot, mult);
|
|
}
|
|
}
|
|
|
|
frame_begin = 0;
|
|
}
|
|
|
|
i++;
|
|
}
|
|
|
|
|
|
if(vpriv->is_mpeg12)
|
|
{
|
|
for(i = 0; i < n; i++)
|
|
{
|
|
vpriv->last_dts = vpriv->framebuf[i].dts;
|
|
if(vpriv->framebuf[i].pts >= vpriv->last_pts)
|
|
{
|
|
vpriv->last_pts = vpriv->framebuf[i].pts;
|
|
idur = vpriv->framebuf[i].idur;
|
|
}
|
|
}
|
|
|
|
vpriv->last_dts += vpriv->framebuf[n-1].idur;
|
|
vpriv->last_pts += idur;
|
|
}
|
|
|
|
for(i = n; i < vpriv->framebuf_used; i++)
|
|
{
|
|
temp_frame = vpriv->framebuf[i - n];
|
|
vpriv->framebuf[i - n] = vpriv->framebuf[i];
|
|
vpriv->framebuf[i] = temp_frame;
|
|
}
|
|
vpriv->framebuf_used -= n;
|
|
|
|
|
|
if((as != NULL) && priv->has_audio)
|
|
{
|
|
while(abytes > 0)
|
|
{
|
|
mult = iduration;
|
|
pl_size = dump_audio(muxer, as, abytes, finalize);
|
|
if(pl_size > 0)
|
|
{
|
|
update_scr(priv, pl_size, bytes, mult);
|
|
abytes -= pl_size;
|
|
}
|
|
else
|
|
break;
|
|
}
|
|
}
|
|
|
|
//goto init;
|
|
}
|
|
|
|
muxer->file_end = priv->scr;
|
|
return found;
|
|
}
|
|
|
|
|
|
static uint64_t parse_fps(int fps)
|
|
{
|
|
// 90000 * 1024 / fps
|
|
switch(fps)
|
|
{
|
|
case 239760:
|
|
return 3843844;
|
|
case 240000:
|
|
return 3840000;
|
|
case 250000:
|
|
return 3686400;
|
|
case 299700:
|
|
return 3075075;
|
|
case 300000:
|
|
return 3072000;
|
|
case 500000:
|
|
return 1843200;
|
|
case 599400:
|
|
return 1537538;
|
|
case 600000:
|
|
return 1536000;
|
|
default:
|
|
mp_msg(MSGT_MUXER, MSGL_ERR, "ERROR! unknown fps code: %d", fps);
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
|
|
static int soft_telecine(muxer_headers_t *vpriv, uint8_t *fps_ptr, uint8_t *se_ptr, uint8_t *pce_ptr, int n)
|
|
{
|
|
uint8_t fps, tff, rff;
|
|
|
|
if(fps_ptr != NULL)
|
|
{
|
|
fps = *fps_ptr & 0x0f;
|
|
if((!fps) || (fps > FRAMERATE_24))
|
|
{
|
|
mp_msg(MSGT_MUXER, MSGL_ERR, "\nERROR! FRAMERATE IS INVALID: %d, disabling telecining\n", (int) fps);
|
|
vpriv->telecine = 0;
|
|
return 0;
|
|
}
|
|
*fps_ptr = (*fps_ptr & 0xf0) | (fps + 3);
|
|
vpriv->nom_delta_pts = parse_fps((fps + 3) == FRAMERATE_2997 ? 299700 : 300000);
|
|
}
|
|
|
|
//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;
|
|
|
|
if(! pce_ptr)
|
|
return 0;
|
|
|
|
if(! vpriv->vframes) //initial value of tff
|
|
vpriv->trf = (pce_ptr[3] >> 6) & 0x2;
|
|
|
|
//sets curent tff/rff bits
|
|
tff = (vpriv->trf & 0x2) ? 0x80 : 0;
|
|
rff = (vpriv->trf & 0x1) ? 0x2 : 0;
|
|
mp_msg(MSGT_MUXER, MSGL_V, "\nTFF: %d, RFF: %d\n", tff >> 7, rff >> 1);
|
|
pce_ptr[3] = (pce_ptr[3] & 0xfd) | tff | rff;
|
|
pce_ptr[4] |= 0x80; //sets progressive frame
|
|
|
|
if(! vpriv->vframes)
|
|
mp_msg(MSGT_MUXER, MSGL_INFO, "\nENABLED SOFT TELECINING, FPS=%s, INITIAL PATTERN IS TFF:%d, RFF:%d\n",
|
|
framerates[fps+3], tff >> 7, rff >> 1);
|
|
|
|
while(n < 0) n+=4;
|
|
vpriv->trf = (vpriv->trf + n) % 4;
|
|
|
|
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)
|
|
{
|
|
size_t ptr = 0, sz = 0, tmp = 0;
|
|
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; //how any frames we advanced respect to the last one
|
|
|
|
mp_msg(MSGT_MUXER, MSGL_V,"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;
|
|
}
|
|
|
|
if(s->buffer[3] == 0 || s->buffer[3] == 0xb3 || s->buffer[3] == 0xb8)
|
|
{ // Video (0) Sequence header (b3) or GOP (b8)
|
|
uint32_t temp_ref;
|
|
int pt;
|
|
|
|
if(s->buffer[3] == 0xb3) //sequence
|
|
{
|
|
fps_ptr = &(s->buffer[7]);
|
|
mp_header_process_sequence_header(&(spriv->picture), &(s->buffer[4]));
|
|
spriv->delta_pts = spriv->nom_delta_pts = parse_fps(spriv->picture.fps);
|
|
|
|
spriv->delta_clock = (double) 1/fps;
|
|
mp_msg(MSGT_MUXER, MSGL_V, "\nFPS: %.3f, FRAMETIME: %.3lf\n", fps, (double)1/fps);
|
|
if(priv->patch_seq)
|
|
patch_seq(priv, s->buffer);
|
|
|
|
tmp = 12;
|
|
if(s->buffer[tmp-1] & 2)
|
|
tmp += 64;
|
|
|
|
if(s->buffer[tmp-1] & 1)
|
|
tmp += 64;
|
|
|
|
if(s->buffer[tmp] == 0 && s->buffer[tmp+1] == 0 && s->buffer[tmp+2] == 1 && s->buffer[tmp+3] == 0xb5)
|
|
{
|
|
se_ptr = &(s->buffer[tmp+4]);
|
|
mp_header_process_extension(&(spriv->picture), &(s->buffer[tmp+4]));
|
|
}
|
|
}
|
|
|
|
|
|
if(spriv->picture.mpeg1 == 0 && priv->patch_sde)
|
|
{
|
|
while((s->buffer[tmp] != 0 || s->buffer[tmp+1] != 0 || s->buffer[tmp+2] != 1 || s->buffer[tmp+3] != 0xb5 ||
|
|
((s->buffer[tmp+4] & 0xf0) != 0x20)) &&
|
|
(tmp < len-5))
|
|
tmp++;
|
|
|
|
if(tmp < len-5) //found
|
|
patch_panscan(priv, &(s->buffer[tmp+4]));
|
|
}
|
|
|
|
|
|
|
|
if(s->buffer[3])
|
|
{ // Sequence or GOP -- scan for Picture
|
|
s->gop_start = s->h.dwLength;
|
|
while (ptr < len-5 &&
|
|
(s->buffer[ptr] != 0 || s->buffer[ptr+1] != 0 || s->buffer[ptr+2] != 1 || s->buffer[ptr+3] != 0))
|
|
ptr++;
|
|
}
|
|
|
|
if (ptr >= len-5)
|
|
{
|
|
pt = 0; // Picture not found?!
|
|
temp_ref = 0;
|
|
mp_msg(MSGT_MUXER, MSGL_ERR,"Warning: picture not found in GOP!\n");
|
|
}
|
|
else
|
|
{
|
|
pt = (s->buffer[ptr+5] & 0x1c) >> 3;
|
|
temp_ref = (s->buffer[ptr+4]<<2)+(s->buffer[ptr+5]>>6);
|
|
if(!spriv->vframes)
|
|
spriv->last_tr = spriv->max_tr = temp_ref;
|
|
d1 = temp_ref - spriv->last_tr;
|
|
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
|
|
frames_diff = d1;
|
|
mp_msg(MSGT_MUXER, MSGL_V, "\nLAST: %d, TR: %d, DIFF: %d, MAX: %d, d1: %d\n",
|
|
spriv->last_tr, temp_ref, frames_diff, spriv->max_tr, d1);
|
|
if(!temp_ref)
|
|
spriv->max_tr = 0;
|
|
else if(temp_ref > spriv->max_tr)
|
|
spriv->max_tr = temp_ref;
|
|
|
|
spriv->last_tr = temp_ref;
|
|
mp_msg(MSGT_MUXER, MSGL_V, "Video frame type: %c, TR: %d\n", FTYPE(pt), temp_ref);
|
|
if(spriv->picture.mpeg1 == 0)
|
|
{
|
|
size_t tmp = ptr;
|
|
|
|
while (ptr < len-5 &&
|
|
(s->buffer[ptr] != 0 || s->buffer[ptr+1] != 0 || s->buffer[ptr+2] != 1 || s->buffer[ptr+3] != 0xb5))
|
|
ptr++;
|
|
if(ptr < len-5)
|
|
{
|
|
pce_ptr = &(s->buffer[ptr+4]);
|
|
if(spriv->telecine)
|
|
soft_telecine(spriv, fps_ptr, se_ptr, pce_ptr, frames_diff);
|
|
mp_header_process_extension(&(spriv->picture), &(s->buffer[ptr+4]));
|
|
if(spriv->picture.display_time >= 50 && spriv->picture.display_time <= 300)
|
|
spriv->delta_pts = (spriv->nom_delta_pts * spriv->picture.display_time) / 100;
|
|
}
|
|
else
|
|
spriv->delta_pts = spriv->nom_delta_pts;
|
|
|
|
ptr = tmp;
|
|
}
|
|
}
|
|
|
|
switch (pt) {
|
|
case 2: // predictive
|
|
if (s->ipb[0]) {
|
|
sz = len + s->ipb[0];
|
|
s->ipb[0] = max(s->ipb[0], s->ipb[2]);
|
|
s->ipb[2] = 0;
|
|
} else if (s->ipb[2]) {
|
|
sz = len + s->ipb[2];
|
|
s->ipb[0] = s->ipb[2];
|
|
s->ipb[2] = 0;
|
|
} else
|
|
sz = 4 * len; // no bidirectional frames yet?
|
|
|
|
s->ipb[1] = len;
|
|
break;
|
|
case 3: // bidirectional
|
|
s->ipb[2] += len;
|
|
sz = s->ipb[1] + s->ipb[2];
|
|
break;
|
|
default: // intra-coded
|
|
sz = len; // no extra buffer for it...
|
|
}
|
|
|
|
spriv->vframes++;
|
|
reorder_frame(spriv, s->buffer, len, pt, temp_ref, spriv->delta_pts);
|
|
}
|
|
|
|
mp_msg(MSGT_MUXER, MSGL_V,"parse_mpeg12_video, return %u\n", (uint32_t) len);
|
|
return sz;
|
|
}
|
|
|
|
|
|
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_V, "PTS: %llu\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;
|
|
}
|
|
mp_msg(MSGT_DECVIDEO,MSGL_V, "MIN: %llu, mid: %llu, max: %llu\n", mn, md, mx);
|
|
|
|
if(mx - md > md - mn)
|
|
diff = md - mn;
|
|
else
|
|
diff = mx - md;
|
|
|
|
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_V, "FIXED_PTS: %.3lf, FIXED_DTS: %.3lf\n",
|
|
(double) (vpriv->framebuf[i].pts/92160000.0), (double) (vpriv->framebuf[i].dts/92160000.0));
|
|
}
|
|
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;
|
|
uint8_t pt;
|
|
|
|
mp_msg(MSGT_MUXER, MSGL_V,"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;
|
|
}
|
|
|
|
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 = (92160000 * (int64_t) delta) / vpriv->picture.timeinc_resolution;
|
|
|
|
pt = vpriv->picture.picture_type + 1;
|
|
mp_msg(MSGT_MUXER, MSGL_V, "\nTYPE: %c, RESOLUTION: %d, TEMP: %d, delta: %d, delta_pts: %lld = %.3lf, delta2: %.3lf\n",
|
|
FTYPE(pt), vpriv->picture.timeinc_resolution, vpriv->picture.timeinc_unit, delta, delta_pts, (double) (delta_pts/92160000.0),
|
|
(double) delta / (double) vpriv->picture.timeinc_resolution);
|
|
|
|
vpriv->last_tr = vpriv->picture.timeinc_unit;
|
|
|
|
break;
|
|
}
|
|
|
|
ptr++;
|
|
}
|
|
|
|
vpriv->last_dts += vpriv->frame_duration;
|
|
vpriv->last_pts += delta_pts;
|
|
|
|
reorder_frame(vpriv, s->buffer, len, pt, 0, delta_pts);
|
|
vpriv->framebuf[vpriv->framebuf_used-1].pts = vpriv->last_pts;
|
|
vpriv->framebuf[vpriv->framebuf_used-1].dts = vpriv->last_dts;
|
|
vpriv->framebuf[vpriv->framebuf_used-1].idur = vpriv->frame_duration;
|
|
|
|
/*mp_msg(MSGT_MUXER, MSGL_V, "\nMPEG4V, PT: %c, LEN=%u, DELTA_PTS: %.3lf, PTS: %.3lf, DTS: %.3lf\n",
|
|
FTYPE(pt), len, (delta_pts/92160000.0),
|
|
(double) (vpriv->framebuf[vpriv->framebuf_used-1].pts/92160000.0),
|
|
(double) (vpriv->framebuf[vpriv->framebuf_used-1].dts/92160000.0), len);*/
|
|
|
|
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)/92160000.0;
|
|
mp_msg(MSGT_MUXER, MSGL_INFO, "FRAME DURATION: %llu %.3lf\n",
|
|
vpriv->frame_duration, (double) (vpriv->frame_duration/92160000.0));
|
|
}
|
|
}
|
|
|
|
mp_msg(MSGT_MUXER, MSGL_V, "LAST_PTS: %.3lf, LAST_DTS: %.3lf\n",
|
|
(double) (vpriv->last_pts/92160000.0), (double) (vpriv->last_dts/92160000.0));
|
|
|
|
return len;
|
|
}
|
|
|
|
static void mpegfile_write_chunk(muxer_stream_t *s,size_t len,unsigned int flags){
|
|
size_t ptr=0, sz = 0;
|
|
uint64_t pts, tmp;
|
|
muxer_t *muxer = s->muxer;
|
|
muxer_priv_t *priv = (muxer_priv_t *)muxer->priv;
|
|
muxer_headers_t *spriv = (muxer_headers_t*) s->priv;
|
|
FILE *f;
|
|
float fps;
|
|
uint32_t stream_format;
|
|
|
|
f = muxer->file;
|
|
|
|
if(s->buffer == NULL)
|
|
return;
|
|
|
|
pts = 0;
|
|
if (s->type == MUXER_TYPE_VIDEO) { // try to recognize frame type...
|
|
fps = (float) s->h.dwRate/ (float) s->h.dwScale;
|
|
spriv->type = 1;
|
|
spriv->has_pes_priv_headers = 0;
|
|
stream_format = s->bih->biCompression;
|
|
|
|
if(is_mpeg1(stream_format) || is_mpeg2(stream_format))
|
|
{
|
|
spriv->is_mpeg12 = 1;
|
|
if(len)
|
|
sz = parse_mpeg12_video(s, priv, spriv, fps, len);
|
|
else {
|
|
tmp = (uint64_t) (92160000 / fps);
|
|
spriv->last_pts += tmp;
|
|
spriv->last_dts += tmp;
|
|
}
|
|
}
|
|
else if(is_mpeg4(stream_format))
|
|
{
|
|
spriv->is_mpeg12 = 0;
|
|
spriv->reorder = 0;
|
|
spriv->telecine = 0;
|
|
if(spriv->size == 0)
|
|
priv->use_psm = 1;
|
|
if(len)
|
|
sz = parse_mpeg4_video(s, priv, spriv, fps, len);
|
|
else {
|
|
tmp = (uint64_t) (92160000 / fps);
|
|
spriv->last_pts += tmp;
|
|
spriv->last_dts += tmp;
|
|
}
|
|
}
|
|
|
|
mp_msg(MSGT_MUXER, MSGL_V,"mpegfile_write_chunk, Video codec=%x, len=%u, mpeg12 returned %u\n", stream_format, (uint32_t) len, (uint32_t) sz);
|
|
|
|
ptr = 0;
|
|
priv->vbytes += len;
|
|
|
|
sz <<= 1;
|
|
} else { // MUXER_TYPE_AUDIO
|
|
spriv->type = 0;
|
|
stream_format = s->wf->wFormatTag;
|
|
|
|
mp_msg(MSGT_MUXER, MSGL_V,"\nmpegfile_write_chunk, Audio codec=%x, len=%u, frame size=%u\n",
|
|
stream_format, (uint32_t) len, (uint32_t) spriv->frame_size);
|
|
if(spriv->bitrate == 0)
|
|
spriv->bitrate = s->wf->nAvgBytesPerSec;
|
|
// I need to know the audio frame size
|
|
if(spriv->frame_size == 0)
|
|
{
|
|
spriv->frame_size = get_audio_frame_size(spriv, s->buffer, stream_format, s->wf->nSamplesPerSec);
|
|
spriv->aframe_delta_pts = ((double) spriv->frame_size / (double) spriv->bitrate);
|
|
//spriv->delta_pts = (uint64_t) (spriv->aframe_delta_pts * 92160000);
|
|
spriv->delta_pts = (uint64_t) (92160000 * spriv->frame_size) / spriv->bitrate;
|
|
mp_msg(MSGT_MUXER, MSGL_INFO, "AUDIO FRAME SIZE: %u, DELTA_PTS: %llu (%.3lf)\n", (uint32_t) spriv->frame_size, spriv->delta_pts, spriv->aframe_delta_pts);
|
|
}
|
|
|
|
|
|
if(s->b_buffer_size - s->b_buffer_len < len)
|
|
{
|
|
s->b_buffer = realloc(s->b_buffer, len + s->b_buffer_len);
|
|
if(s->b_buffer == NULL)
|
|
{
|
|
mp_msg(MSGT_MUXER, MSGL_FATAL, "\nFATAL! couldn't realloc %d bytes\n", len + s->b_buffer_len);
|
|
return;
|
|
}
|
|
|
|
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(stream_format == AUDIO_A52)
|
|
{
|
|
s->type = 1;
|
|
s->ckid = be2me_32 (0x1bd);
|
|
if(s->size == 0)
|
|
{
|
|
spriv->max_pl_size -= 4;
|
|
if(priv->is_genmpeg1 || priv->is_genmpeg2)
|
|
fix_audio_sys_header(priv, spriv->id, 0xbd, 58*1024); //only one audio at the moment
|
|
spriv->id = 0xbd;
|
|
}
|
|
}
|
|
|
|
if(priv->init_adelay < 0)
|
|
{
|
|
uint64_t delay_len;
|
|
priv->abytes += len;
|
|
delay_len = (uint64_t) abs((priv->init_adelay * (double) spriv->bitrate));
|
|
if(priv->abytes >= delay_len)
|
|
{
|
|
if(priv->drop)
|
|
{
|
|
mp_msg(MSGT_MUXER, MSGL_V, "\nDROPPING %llu AUDIO BYTES, DELAY: %.3lf, BR: %u\n", delay_len, priv->init_adelay, spriv->bitrate);
|
|
drop_delayed_audio(muxer, s, (int64_t) delay_len);
|
|
}
|
|
else
|
|
{
|
|
mp_msg(MSGT_MUXER, MSGL_V, "\nWRITING %llu EARLY AUDIO BYTES, DELAY: %.3lf, BR: %u\n", delay_len, priv->init_adelay, spriv->bitrate);
|
|
save_delayed_audio(muxer, s, (uint64_t) (92160000 * (-priv->init_adelay)));
|
|
}
|
|
priv->init_adelay = 0.0;
|
|
conf_init_adelay = 0;
|
|
priv->drop = 0;
|
|
}
|
|
}
|
|
|
|
sz = max(len, 2 * priv->packet_size);
|
|
}
|
|
|
|
if (s->h.dwSampleSize) {
|
|
// CBR
|
|
s->h.dwLength += len/s->h.dwSampleSize;
|
|
if (len%s->h.dwSampleSize) mp_msg(MSGT_MUXER, MSGL_ERR, "Warning! len isn't divisable by samplesize!\n");
|
|
} else {
|
|
// VBR
|
|
s->h.dwLength++;
|
|
}
|
|
|
|
s->size += len;
|
|
s->timer = (double)s->h.dwLength*s->h.dwScale/s->h.dwRate;
|
|
|
|
//if genmpeg1/2 and sz > last buffer size in the system header we must write the new sysheader
|
|
if(sz > s->h.dwSuggestedBufferSize) { // increase and set STD
|
|
s->h.dwSuggestedBufferSize = sz;
|
|
if(priv->is_genmpeg1 || priv->is_genmpeg2) {
|
|
fix_buffer_params(priv, spriv->id, s->h.dwSuggestedBufferSize);
|
|
priv->update_system_header = 1;
|
|
}
|
|
}
|
|
|
|
if(spriv->psm_fixed == 0) {
|
|
add_to_psm(priv, spriv->id, stream_format);
|
|
spriv->psm_fixed = 1;
|
|
priv->psm_streams_cnt++;
|
|
if((priv->psm_streams_cnt == muxer->num_videos + muxer->num_audios) && priv->use_psm)
|
|
write_psm_block(muxer, muxer->file);
|
|
}
|
|
|
|
|
|
if(priv->init_adelay != 0)
|
|
return;
|
|
|
|
flush_buffers(muxer, 0);
|
|
}
|
|
|
|
|
|
static void mpegfile_write_index(muxer_t *muxer)
|
|
{
|
|
muxer_priv_t *priv = (muxer_priv_t *) muxer->priv;
|
|
while(flush_buffers(muxer, 0) > 0);
|
|
flush_buffers(muxer, 1);
|
|
if(priv->is_genmpeg1 || priv->is_genmpeg2)
|
|
write_mpeg_pack(muxer, NULL, muxer->file, NULL, 0, 1); //insert fake Nav Packet
|
|
|
|
mp_msg(MSGT_MUXER, MSGL_INFO, "\nOverhead: %.3lf%% (%llu / %llu)\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;
|
|
|
|
priv->headers_cnt++;
|
|
|
|
if((priv->is_genmpeg1 || priv->is_genmpeg2) && (priv->headers_cnt == muxer->avih.dwStreams))
|
|
{
|
|
int i;
|
|
for(i = 0; i < muxer->avih.dwStreams; i++)
|
|
{
|
|
priv->sys_info.streams[i].bufsize = muxer->streams[i]->h.dwSuggestedBufferSize;
|
|
mp_msg(MSGT_MUXER, MSGL_V, "IDX: %d, BUFSIZE: %u\n", i, priv->sys_info.streams[i].bufsize);
|
|
}
|
|
}
|
|
|
|
//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->file, NULL, 0, 0);
|
|
priv->update_system_header = 0;
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
static void setup_sys_params(muxer_priv_t *priv)
|
|
{
|
|
if(priv->is_dvd)
|
|
{
|
|
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 = 232*1024;
|
|
|
|
priv->sys_info.streams[1].id = 0xb8;
|
|
priv->sys_info.streams[1].type = 0;
|
|
priv->sys_info.streams[1].bufsize = 4*1024;
|
|
|
|
priv->sys_info.streams[2].id = 0xbd;
|
|
priv->sys_info.streams[2].type = 1;
|
|
priv->sys_info.streams[2].bufsize = 58*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)
|
|
{
|
|
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 = (priv->is_xvcd ? 46: 230)*1024;
|
|
|
|
priv->sys_info.streams[1].id = 0xc0;
|
|
priv->sys_info.streams[1].type = 0;
|
|
priv->sys_info.streams[1].bufsize = 4*1024;
|
|
}
|
|
else
|
|
priv->sys_info.cnt = 0;
|
|
}
|
|
|
|
|
|
int muxer_init_muxer_mpeg(muxer_t *muxer){
|
|
muxer_priv_t *priv;
|
|
priv = (muxer_priv_t *) 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, "mpeg2"))
|
|
{
|
|
priv->mux = MUX_MPEG2;
|
|
priv->packet_size = 2048;
|
|
priv->is_genmpeg2 = 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;
|
|
//what's the right muxrate?
|
|
priv->muxrate = 2788 * 125;
|
|
priv->ts_allframes = 1;
|
|
}
|
|
else if(! strcasecmp(conf_mux, "xvcd"))
|
|
{
|
|
priv->mux = MUX_MPEG1;
|
|
priv->is_xvcd = 1;
|
|
priv->packet_size = 2324;
|
|
//what's the right muxrate?
|
|
priv->muxrate = 1394 * 125;
|
|
priv->ts_allframes = 1;
|
|
}
|
|
else
|
|
{
|
|
priv->mux = MUX_MPEG1;
|
|
priv->is_genmpeg1 = 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;
|
|
mp_msg(MSGT_MUXER, MSGL_INFO, "PACKET SIZE: %u bytes\n", priv->packet_size);
|
|
setup_sys_params(priv);
|
|
|
|
priv->skip_padding = conf_skip_padding;
|
|
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_vframerate)
|
|
{
|
|
int fps;
|
|
|
|
fps = (int) (conf_vframerate * 1000.0);
|
|
switch(fps)
|
|
{
|
|
case 24000:
|
|
priv->vframerate = FRAMERATE_24;
|
|
break;
|
|
case 25000:
|
|
priv->vframerate = FRAMERATE_25;
|
|
break;
|
|
case 30000:
|
|
priv->vframerate = FRAMERATE_30;
|
|
break;
|
|
case 50000:
|
|
priv->vframerate = FRAMERATE_50;
|
|
break;
|
|
case 60000:
|
|
priv->vframerate = FRAMERATE_60;
|
|
break;
|
|
default:
|
|
if(fps >= 23975 && fps <= 23977)
|
|
priv->vframerate = FRAMERATE_23976;
|
|
else if(fps >= 29969 && fps <= 29971)
|
|
priv->vframerate = FRAMERATE_2997;
|
|
else if(fps >= 59939 && fps <= 59941)
|
|
priv->vframerate = FRAMERATE_5994;
|
|
else
|
|
mp_msg(MSGT_MUXER, MSGL_ERR, "WRONG FPS: %d/1000, ignoring\n", fps);
|
|
}
|
|
}
|
|
|
|
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_adelay)
|
|
priv->init_adelay = - (double) conf_init_adelay / (double) 1000.0;
|
|
|
|
priv->drop = conf_drop;
|
|
|
|
priv->buff = (uint8_t *) malloc(priv->packet_size);
|
|
priv->tmp = (uint8_t *) malloc(priv->packet_size);
|
|
priv->residual = (uint8_t *) malloc(priv->packet_size);
|
|
if((priv->buff == NULL) || (priv->tmp == NULL) || (priv->residual == 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;
|
|
return 1;
|
|
}
|
|
|