mirror of
https://github.com/yt-dlp/yt-dlp.git
synced 2024-11-27 14:14:54 +01:00
merge
This commit is contained in:
dongmao zhang
parent
7733d455c8
commit
b5809a68bf
254
a.c
Normal file
254
a.c
Normal file
|
|
@ -0,0 +1,254 @@
|
|||
#include <stdio.h>
|
||||
#include <string.h>
|
||||
#include <assert.h>
|
||||
#include <stdint.h>
|
||||
|
||||
#define FLVF_HEADER 1
|
||||
#define FLVF_SCRIPT 2
|
||||
|
||||
struct flvhdr
|
||||
{
|
||||
char fh_magic[3];
|
||||
char fh_version;
|
||||
char fh_flags;
|
||||
char fh_hlen[4];
|
||||
char fh_pads[4];
|
||||
}__attribute__((packed));
|
||||
|
||||
struct taghdr
|
||||
{
|
||||
uint8_t th_type;
|
||||
uint8_t th_dlen[3];
|
||||
uint8_t th_tstamp[3];
|
||||
uint8_t th_xstamp;
|
||||
uint8_t th_streamid[3];
|
||||
}__attribute__((packed));
|
||||
|
||||
struct flvcombine
|
||||
{
|
||||
FILE * fc_file;
|
||||
uint32_t fc_flags;
|
||||
uint32_t fc_timestamp;
|
||||
uint32_t fc_filesize;
|
||||
double fc_duration;
|
||||
int fc_filesize_offset;
|
||||
int fc_duration_offset;
|
||||
};
|
||||
|
||||
/* duration, filesize */
|
||||
|
||||
uint32_t buftoint(const void *buf, size_t len)
|
||||
{
|
||||
uint32_t bufint = 0;
|
||||
const uint8_t *pval = (const uint8_t *)buf;
|
||||
while (len-- > 0)
|
||||
bufint = (bufint << 8) + *pval++;
|
||||
return bufint;
|
||||
}
|
||||
|
||||
int dd_copy(FILE * dst_fp, FILE * src_fp, size_t dlen)
|
||||
{
|
||||
size_t len;
|
||||
char buf[64 * 1024];
|
||||
while (dlen > 0 && !feof(src_fp)) {
|
||||
len = fread(buf, 1, dlen < sizeof(buf)? dlen: sizeof(buf), src_fp);
|
||||
if (fwrite(buf, 1, len, dst_fp) != len)
|
||||
break;
|
||||
dlen -= len;
|
||||
}
|
||||
return dlen;
|
||||
}
|
||||
|
||||
void adjtimestamp(struct taghdr *header, uint32_t stampbase)
|
||||
{
|
||||
uint32_t netval = 0;
|
||||
uint32_t adjtime = stampbase;
|
||||
adjtime += buftoint(&header->th_tstamp, sizeof(header->th_tstamp));
|
||||
adjtime += (header->th_xstamp << 24);
|
||||
header->th_xstamp = (adjtime >> 24);
|
||||
header->th_tstamp[0] = (adjtime >> 16);
|
||||
header->th_tstamp[1] = (adjtime >> 8);
|
||||
header->th_tstamp[2] = (adjtime >> 0);
|
||||
}
|
||||
|
||||
void update_metainfo(struct flvcombine *combine, FILE *fp, size_t dlen)
|
||||
{
|
||||
int i;
|
||||
size_t len;
|
||||
char *pmem = NULL;
|
||||
char buf[256 * 1024];
|
||||
double duration = 0.0;
|
||||
uint8_t duration_bytes[8];
|
||||
printf("dlen: %d\n", dlen);
|
||||
assert (dlen < (256 * 1024));
|
||||
|
||||
len = fread(buf, 1, dlen < sizeof(buf)? dlen: sizeof(buf), fp);
|
||||
if (len == 0)
|
||||
return;
|
||||
pmem = (char *)memmem(buf, len, "duration", 8);
|
||||
if (pmem == NULL || pmem + 17l - buf > len)
|
||||
return;
|
||||
memcpy(&duration_bytes, pmem + 9, 8);
|
||||
for (i = 0; i < 4; i ++) {
|
||||
uint8_t tmp = duration_bytes[i];
|
||||
duration_bytes[i] = duration_bytes[7 - i];
|
||||
duration_bytes[7 - i] = tmp;
|
||||
}
|
||||
memcpy(&duration, &duration_bytes, 8);
|
||||
combine->fc_duration += duration;
|
||||
if (combine->fc_flags & FLVF_SCRIPT)
|
||||
return;
|
||||
combine->fc_duration_offset =
|
||||
combine->fc_filesize + (pmem + 9l - buf) + sizeof(struct taghdr);
|
||||
pmem = (char *)memmem(buf, len, "filesize", 8);
|
||||
if (pmem == NULL || pmem + 17l - buf > len)
|
||||
return;
|
||||
combine->fc_filesize_offset =
|
||||
combine->fc_filesize + (pmem + 9l - buf) + sizeof(struct taghdr);
|
||||
}
|
||||
|
||||
int addflv(struct flvcombine *combine, const char *path)
|
||||
{
|
||||
int error = 0;
|
||||
FILE *fp, *fout;
|
||||
char magic[4];
|
||||
long savepos;
|
||||
size_t len, dlen, flags;
|
||||
struct flvhdr header;
|
||||
struct taghdr *last;
|
||||
struct taghdr tagvideo;
|
||||
struct taghdr tagaudio;
|
||||
struct taghdr tagheader;
|
||||
|
||||
fp = fopen(path, "rb");
|
||||
fout = combine->fc_file;
|
||||
if (fp == NULL || fout == NULL)
|
||||
return 0;
|
||||
|
||||
last = NULL;
|
||||
memset(magic, 0, sizeof(magic));
|
||||
memset(&tagvideo, 0, sizeof(tagvideo));
|
||||
memset(&tagaudio, 0, sizeof(tagaudio));
|
||||
|
||||
if ( !fread(&header, sizeof(header), 1, fp) )
|
||||
goto fail;
|
||||
|
||||
memcpy(magic, header.fh_magic, 3);
|
||||
if ( strcmp("FLV", magic) )
|
||||
goto fail;
|
||||
|
||||
if ((combine->fc_flags & FLVF_HEADER) == 0) {
|
||||
fwrite(&header, sizeof(header), 1, fout);
|
||||
combine->fc_filesize += sizeof(header);
|
||||
combine->fc_flags |= FLVF_HEADER;
|
||||
}
|
||||
|
||||
printf("magic: %s\n", magic);
|
||||
printf("flags: 0x%02x\n", header.fh_flags);
|
||||
printf("version: 0x%02x\n", header.fh_version);
|
||||
printf("header len: %d\n", buftoint(header.fh_hlen, sizeof(header.fh_hlen)));
|
||||
|
||||
while (feof(fp) == 0) {
|
||||
if ( !fread(&tagheader, sizeof(tagheader), 1, fp) )
|
||||
goto fail;
|
||||
|
||||
dlen = buftoint(tagheader.th_dlen, sizeof(tagheader.th_dlen));
|
||||
|
||||
switch (tagheader.th_type)
|
||||
{
|
||||
case 0x09:
|
||||
adjtimestamp(&tagheader, combine->fc_timestamp);
|
||||
tagvideo = tagheader;
|
||||
last = &tagvideo;
|
||||
break;
|
||||
case 0x08:
|
||||
adjtimestamp(&tagheader, combine->fc_timestamp);
|
||||
tagaudio = tagheader;
|
||||
last = &tagaudio;
|
||||
break;
|
||||
default:
|
||||
flags = combine->fc_flags;
|
||||
savepos = ftell(fp);
|
||||
if (savepos == -1)
|
||||
goto fail;
|
||||
savepos = (flags & FLVF_SCRIPT)? (savepos + dlen + 4): savepos;
|
||||
update_metainfo(combine, fp, dlen);
|
||||
combine->fc_flags |= FLVF_SCRIPT;
|
||||
if ( fseek(fp, savepos, SEEK_SET) )
|
||||
goto fail;
|
||||
if (flags & FLVF_SCRIPT)
|
||||
continue;
|
||||
break;
|
||||
}
|
||||
fwrite(&tagheader, sizeof(tagheader), 1, fout);
|
||||
combine->fc_filesize += sizeof(tagheader);
|
||||
combine->fc_filesize += (dlen + 4);
|
||||
if ( dd_copy(fout, fp, dlen + 4)) {
|
||||
error = -__LINE__;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
fail:
|
||||
fclose(fp);
|
||||
if (last == &tagvideo || last == &tagaudio) {
|
||||
combine->fc_timestamp = buftoint(last->th_tstamp, sizeof(last->th_tstamp));
|
||||
combine->fc_timestamp |= (last->th_xstamp << 24);
|
||||
printf("time stamp: %d\n", combine->fc_timestamp);
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
void fixedflv(struct flvcombine *context)
|
||||
{
|
||||
int i;
|
||||
double dblval = 0.0;
|
||||
uint8_t dblbytes[8];
|
||||
FILE *fout = context->fc_file;
|
||||
|
||||
if (context->fc_filesize_offset > 0) {
|
||||
if ( fseek(fout, context->fc_filesize_offset, SEEK_SET) )
|
||||
return;
|
||||
dblval = context->fc_filesize;
|
||||
memcpy(dblbytes, &dblval, 8);
|
||||
|
||||
for (i = 0; i < 4; i ++) {
|
||||
uint8_t tmp = dblbytes[i];
|
||||
dblbytes[i] = dblbytes[7 - i];
|
||||
dblbytes[7 - i] = tmp;
|
||||
}
|
||||
fwrite(dblbytes, 8, 1, fout);
|
||||
}
|
||||
|
||||
if (context->fc_duration_offset > 0) {
|
||||
if ( fseek(fout, context->fc_duration_offset, SEEK_SET) )
|
||||
return;
|
||||
dblval = context->fc_duration;
|
||||
memcpy(dblbytes, &dblval, 8);
|
||||
|
||||
for (i = 0; i < 4; i ++) {
|
||||
uint8_t tmp = dblbytes[i];
|
||||
dblbytes[i] = dblbytes[7 - i];
|
||||
dblbytes[7 - i] = tmp;
|
||||
}
|
||||
fwrite(dblbytes, 8, 1, fout);
|
||||
}
|
||||
}
|
||||
|
||||
int main(int argc, char *argv[])
|
||||
{
|
||||
int i;
|
||||
struct flvcombine context;
|
||||
memset(&context, 0, sizeof(context));
|
||||
context.fc_file = fopen("out.flv", "wb");
|
||||
if (context.fc_file == NULL)
|
||||
return -1;
|
||||
context.fc_duration = 0;
|
||||
for (i = 1; i < argc; i++)
|
||||
addflv(&context, argv[i]);
|
||||
fixedflv(&context);
|
||||
fclose(context.fc_file);
|
||||
|
||||
printf("seconds: %d\n", context.fc_timestamp);
|
||||
return 0;
|
||||
}
|
||||
BIN
youtube-dl
BIN
youtube-dl
Binary file not shown.
|
|
@ -3078,10 +3078,10 @@ def _real_extract(self, url):
|
|||
download_url = 'http://f.youku.com/player/getFlvPath/sid/%s_%02X/st/flv/fileid/%s?k=%s' % (sid, index, temp_fileid, key)
|
||||
print download_url
|
||||
info = {
|
||||
'id': '%s_part%d' % (video_id, index),
|
||||
'id': '%s_part%02d' % (video_id, index),
|
||||
'url': download_url,
|
||||
'uploader': None,
|
||||
'title': video_title
|
||||
'title': video_title,
|
||||
'ext': ext,
|
||||
'format': u'NA'
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user