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/*
* This file is part of MPlayer.
*
* MPlayer is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* MPlayer is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with MPlayer; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#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 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;
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 (stream->url)
filename = stream->url;
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:
return res;
}
const stream_info_t stream_info_ffmpeg = {
"FFmpeg",
"ffmpeg",
"",
"",
open_f,
{ "ffmpeg", "rtmp", NULL },
NULL,
1 // Urls are an option string
};
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