mirror of https://github.com/mpv-player/mpv
137 lines
3.3 KiB
C
137 lines
3.3 KiB
C
/*
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* This file is part of MPlayer.
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*
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* MPlayer is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* MPlayer is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with MPlayer; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "config.h"
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#include "libavformat/avformat.h"
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#include "libavformat/avio.h"
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#include "mp_msg.h"
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#include "stream.h"
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#include "m_option.h"
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#include "m_struct.h"
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static int fill_buffer(stream_t *s, char *buffer, int max_len)
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{
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int r = url_read(s->priv, buffer, max_len);
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return (r <= 0) ? -1 : r;
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}
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static int write_buffer(stream_t *s, char *buffer, int len)
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{
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int r = url_write(s->priv, buffer, len);
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return (r <= 0) ? -1 : r;
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}
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static int seek(stream_t *s, off_t newpos)
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{
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s->pos = newpos;
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if (url_seek(s->priv, s->pos, SEEK_SET) < 0) {
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s->eof = 1;
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return 0;
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}
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return 1;
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}
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static int control(stream_t *s, int cmd, void *arg)
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{
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int64_t size;
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switch(cmd) {
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case STREAM_CTRL_GET_SIZE:
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size = url_filesize(s->priv);
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if(size >= 0) {
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*(off_t *)arg = size;
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return 1;
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}
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}
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return STREAM_UNSUPPORTED;
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}
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static void close_f(stream_t *stream)
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{
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url_close(stream->priv);
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}
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static const char prefix[] = "ffmpeg://";
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static int open_f(stream_t *stream, int mode, void *opts, int *file_format)
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{
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int flags = 0;
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const char *filename;
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URLContext *ctx = NULL;
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int res = STREAM_ERROR;
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int64_t size;
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int dummy;
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av_register_all();
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if (mode == STREAM_READ)
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flags = URL_RDONLY;
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else if (mode == STREAM_WRITE)
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flags = URL_WRONLY;
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else {
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mp_msg(MSGT_OPEN, MSGL_ERR, "[ffmpeg] Unknown open mode %d\n", mode);
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res = STREAM_UNSUPPORTED;
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goto out;
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}
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if (stream->url)
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filename = stream->url;
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else {
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mp_msg(MSGT_OPEN, MSGL_ERR, "[ffmpeg] No URL\n");
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goto out;
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}
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if (!strncmp(filename, prefix, strlen(prefix)))
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filename += strlen(prefix);
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dummy = !strncmp(filename, "rtsp:", 5);
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mp_msg(MSGT_OPEN, MSGL_V, "[ffmpeg] Opening %s\n", filename);
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if (!dummy && url_open(&ctx, filename, flags) < 0)
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goto out;
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stream->priv = ctx;
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size = dummy ? 0 : url_filesize(ctx);
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if (size >= 0)
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stream->end_pos = size;
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stream->type = STREAMTYPE_FILE;
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stream->seek = seek;
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if (dummy || ctx->is_streamed) {
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stream->type = STREAMTYPE_STREAM;
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stream->seek = NULL;
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}
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if (!dummy) {
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stream->fill_buffer = fill_buffer;
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stream->write_buffer = write_buffer;
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stream->control = control;
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stream->close = close_f;
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}
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res = STREAM_OK;
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out:
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return res;
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}
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const stream_info_t stream_info_ffmpeg = {
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"FFmpeg",
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"ffmpeg",
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"",
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"",
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open_f,
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{ "ffmpeg", "rtmp", NULL },
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NULL,
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1 // Urls are an option string
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};
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