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authorreimar <reimar@b3059339-0415-0410-9bf9-f77b7e298cf2>2009-11-17 16:09:17 +0000
committerreimar <reimar@b3059339-0415-0410-9bf9-f77b7e298cf2>2009-11-17 16:09:17 +0000
commit58301405824924a8e81017c144338d86ca28eba4 (patch)
treec8a35f24d578a7c3b7d2e8e4f9d278e8d6b4a9d4 /stream
parentef1ae8272dac3a004bbb3079c7ece7ea7012d75c (diff)
downloadmpv-58301405824924a8e81017c144338d86ca28eba4.tar.bz2
mpv-58301405824924a8e81017c144338d86ca28eba4.tar.xz
Add preliminary support for streaming via FFmpeg's URProtocol functions.
Basic playback tested for file and http protocols. git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@29923 b3059339-0415-0410-9bf9-f77b7e298cf2
Diffstat (limited to 'stream')
-rw-r--r--stream/stream.c4
-rw-r--r--stream/stream_ffmpeg.c140
2 files changed, 144 insertions, 0 deletions
diff --git a/stream/stream.c b/stream/stream.c
index 6a3dd2bc87..c498eb3624 100644
--- a/stream/stream.c
+++ b/stream/stream.c
@@ -58,6 +58,7 @@ extern const stream_info_t stream_info_rtsp_sip;
extern const stream_info_t stream_info_cue;
extern const stream_info_t stream_info_null;
extern const stream_info_t stream_info_mf;
+extern const stream_info_t stream_info_ffmpeg;
extern const stream_info_t stream_info_file;
extern const stream_info_t stream_info_ifo;
extern const stream_info_t stream_info_dvd;
@@ -112,6 +113,9 @@ static const stream_info_t* const auto_open_streams[] = {
#ifdef CONFIG_DVDNAV
&stream_info_dvdnav,
#endif
+#ifdef CONFIG_LIBAVFORMAT
+ &stream_info_ffmpeg,
+#endif
&stream_info_null,
&stream_info_mf,
diff --git a/stream/stream_ffmpeg.c b/stream/stream_ffmpeg.c
new file mode 100644
index 0000000000..c7a4dde541
--- /dev/null
+++ b/stream/stream_ffmpeg.c
@@ -0,0 +1,140 @@
+#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;
+ if (ctx->is_streamed) {
+ stream->type = STREAMTYPE_STREAM;
+ stream->flags |= STREAM_SEEK_FW;
+ }
+ stream->seek = seek;
+ 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
+};