mirror of https://github.com/mpv-player/mpv
141 lines
3.1 KiB
C
141 lines
3.1 KiB
C
#include "config.h"
|
|
|
|
#include "libavformat/avformat.h"
|
|
#include "libavformat/avio.h"
|
|
#include "mp_msg.h"
|
|
#include "stream.h"
|
|
#include "m_option.h"
|
|
#include "m_struct.h"
|
|
|
|
static struct stream_priv_s {
|
|
char *filename;
|
|
char *filename2;
|
|
} stream_priv_dflts = {
|
|
NULL, NULL
|
|
};
|
|
|
|
#define ST_OFF(f) M_ST_OFF(struct stream_priv_s,f)
|
|
/// URL definition
|
|
static const m_option_t stream_opts_fields[] = {
|
|
{"string", ST_OFF(filename), CONF_TYPE_STRING, 0, 0 ,0, NULL},
|
|
{"filename", ST_OFF(filename2), CONF_TYPE_STRING, 0, 0 ,0, NULL},
|
|
{NULL}
|
|
};
|
|
|
|
static const struct m_struct_st stream_opts = {
|
|
"ffmpeg",
|
|
sizeof(struct stream_priv_s),
|
|
&stream_priv_dflts,
|
|
stream_opts_fields
|
|
};
|
|
|
|
static int fill_buffer(stream_t *s, char *buffer, int max_len)
|
|
{
|
|
int r = url_read_complete(s->priv, buffer, max_len);
|
|
return (r <= 0) ? -1 : r;
|
|
}
|
|
|
|
static int write_buffer(stream_t *s, char *buffer, int len)
|
|
{
|
|
int r = url_write(s->priv, buffer, len);
|
|
return (r <= 0) ? -1 : r;
|
|
}
|
|
|
|
static int seek(stream_t *s, off_t newpos)
|
|
{
|
|
s->pos = newpos;
|
|
if (url_seek(s->priv, s->pos, SEEK_SET) < 0) {
|
|
s->eof = 1;
|
|
return 0;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
static int control(stream_t *s, int cmd, void *arg)
|
|
{
|
|
int64_t size;
|
|
switch(cmd) {
|
|
case STREAM_CTRL_GET_SIZE:
|
|
size = url_filesize(s->priv);
|
|
if(size >= 0) {
|
|
*(off_t *)arg = size;
|
|
return 1;
|
|
}
|
|
}
|
|
return STREAM_UNSUPPORTED;
|
|
}
|
|
|
|
static void close_f(stream_t *stream)
|
|
{
|
|
url_close(stream->priv);
|
|
}
|
|
|
|
static const char prefix[] = "ffmpeg://";
|
|
|
|
static int open_f(stream_t *stream, int mode, void *opts, int *file_format)
|
|
{
|
|
int flags = 0;
|
|
const char *filename;
|
|
struct stream_priv_s *p = opts;
|
|
URLContext *ctx = NULL;
|
|
int res = STREAM_ERROR;
|
|
int64_t size;
|
|
|
|
av_register_all();
|
|
if (mode == STREAM_READ)
|
|
flags = URL_RDONLY;
|
|
else if (mode == STREAM_WRITE)
|
|
flags = URL_WRONLY;
|
|
else {
|
|
mp_msg(MSGT_OPEN, MSGL_ERR, "[ffmpeg] Unknown open mode %d\n", mode);
|
|
res = STREAM_UNSUPPORTED;
|
|
goto out;
|
|
}
|
|
|
|
if (p->filename)
|
|
filename = p->filename;
|
|
else if (p->filename2)
|
|
filename = p->filename2;
|
|
else {
|
|
mp_msg(MSGT_OPEN, MSGL_ERR, "[ffmpeg] No URL\n");
|
|
goto out;
|
|
}
|
|
if (!strncmp(filename, prefix, strlen(prefix)))
|
|
filename += strlen(prefix);
|
|
mp_msg(MSGT_OPEN, MSGL_V, "[ffmpeg] Opening %s\n", filename);
|
|
|
|
if (url_open(&ctx, filename, flags) < 0)
|
|
goto out;
|
|
|
|
stream->priv = ctx;
|
|
size = url_filesize(ctx);
|
|
if (size >= 0)
|
|
stream->end_pos = size;
|
|
stream->type = STREAMTYPE_FILE;
|
|
stream->seek = seek;
|
|
if (ctx->is_streamed) {
|
|
stream->type = STREAMTYPE_STREAM;
|
|
stream->seek = NULL;
|
|
}
|
|
stream->fill_buffer = fill_buffer;
|
|
stream->write_buffer = write_buffer;
|
|
stream->control = control;
|
|
stream->close = close_f;
|
|
res = STREAM_OK;
|
|
|
|
out:
|
|
m_struct_free(&stream_opts,opts);
|
|
return res;
|
|
}
|
|
|
|
const stream_info_t stream_info_ffmpeg = {
|
|
"FFmpeg",
|
|
"ffmpeg",
|
|
"",
|
|
"",
|
|
open_f,
|
|
{ "ffmpeg", NULL },
|
|
&stream_opts,
|
|
1 // Urls are an option string
|
|
};
|