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ext/ffmpeg/: Add a stream-header flag to set stream-header caps on some streams, such as (in this case) flv (fixes #3...

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Original commit message from CVS:
Reviewed by:  Ronald S. Bultje  <rbultje@ronald.bitfreak.net>
* ext/ffmpeg/gstffmpeg.h:
* ext/ffmpeg/gstffmpegmux.c: (gst_ffmpegmux_loop):
* ext/ffmpeg/gstffmpegprotocol.c: (gst_ffmpegdata_open),
(gst_ffmpegdata_write):
Add a stream-header flag to set stream-header caps on some streams,
such as (in this case) flv (fixes #309051).
This commit is contained in:
Ronald S. Bultje 2005-07-11 12:34:18 +00:00
parent beb616773d
commit 5f377234f5
5 changed files with 57 additions and 4 deletions
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11
ChangeLog
View file

@ -1,3 +1,14 @@
2005-07-11 daniel fischer <dan@f3c.com>
Reviewed by: Ronald S. Bultje <rbultje@ronald.bitfreak.net>
* ext/ffmpeg/gstffmpeg.h:
* ext/ffmpeg/gstffmpegmux.c: (gst_ffmpegmux_loop):
* ext/ffmpeg/gstffmpegprotocol.c: (gst_ffmpegdata_open),
(gst_ffmpegdata_write):
Add a stream-header flag to set stream-header caps on some streams,
such as (in this case) flv (fixes #309051).
2005-06-27 Luca Ognibene <luogni@tin.it>
* ext/ffmpeg/gstffmpegdemux.c: (gst_ffmpegdemux_loop):

2
common

@ -1 +1 @@
Subproject commit d6e46b214fac0ecb46010ff522af2f7653e1c18e
Subproject commit ac7272b7af934c2294a44ac1c0f3fac3f8d17ec6

4
ext/ffmpeg/gstffmpeg.h
View file

@ -49,4 +49,8 @@ G_END_DECLS
extern URLProtocol gstreamer_protocol;
/* use GST_FFMPEG URL_STREAMHEADER with URL_WRONLY if the first
* buffer should be used as streamheader property on the pad's caps. */
#define GST_FFMPEG_URL_STREAMHEADER 16
#endif /* __GST_FFMPEG_H__ */

11
ext/ffmpeg/gstffmpegmux.c
View file

@ -342,6 +342,7 @@ gst_ffmpegmux_loop (GstElement * element)
/* open "file" (gstreamer protocol to next element) */
if (!ffmpegmux->opened) {
const GstTagList *iface_tags;
int open_flags = URL_WRONLY;
/* we do need all streams to have started capsnego,
* or things will go horribly wrong */
@ -410,8 +411,13 @@ gst_ffmpegmux_loop (GstElement * element)
gst_tag_list_free (tags);
}
/* set the streamheader flag for gstffmpegprotocol if codec supports it */
if (!strcmp (ffmpegmux->context->oformat->name, "flv") ) {
open_flags |= GST_FFMPEG_URL_STREAMHEADER;
}
if (url_fopen (&ffmpegmux->context->pb,
ffmpegmux->context->filename, URL_WRONLY) < 0) {
ffmpegmux->context->filename, open_flags) < 0) {
GST_ELEMENT_ERROR (element, LIBRARY, TOO_LAZY, (NULL),
("Failed to open stream context in ffmux"));
return;
@ -432,6 +438,9 @@ gst_ffmpegmux_loop (GstElement * element)
("Failed to write file header - check codec settings"));
return;
}
/* flush the header so it will be used as streamheader */
put_flush_packet (&ffmpegmux->context->pb);
}
/* take the one with earliest timestamp,

33
ext/ffmpeg/gstffmpegprotocol.c
View file

@ -41,6 +41,7 @@ struct _GstProtocolInfo
GstByteStream *bs;
gboolean eos;
gboolean set_streamheader;
};
static int
@ -53,6 +54,9 @@ gst_ffmpegdata_open (URLContext * h, const char *filename, int flags)
info = g_new0 (GstProtocolInfo, 1);
info->set_streamheader = flags & GST_FFMPEG_URL_STREAMHEADER;
flags &= ~GST_FFMPEG_URL_STREAMHEADER;
/* we don't support R/W together */
if (flags != URL_RDONLY && flags != URL_WRONLY) {
g_warning ("Only read-only or write-only are supported");
@ -196,16 +200,41 @@ gst_ffmpegdata_write (URLContext * h, unsigned char *buf, int size)
GstBuffer *outbuf;
GST_DEBUG ("Writing %d bytes", size);
info = (GstProtocolInfo *) h->priv_data;
g_return_val_if_fail (h->flags == URL_WRONLY, -EIO);
g_return_val_if_fail (h->flags != URL_RDONLY, -EIO);
/* create buffer and push data further */
outbuf = gst_buffer_new_and_alloc (size);
GST_BUFFER_SIZE (outbuf) = size;
memcpy (GST_BUFFER_DATA (outbuf), buf, size);
if (info->set_streamheader) {
GstCaps *caps = gst_pad_get_caps (info->pad);
GList *bufs = NULL;
GstStructure *structure = gst_caps_get_structure (caps, 0);
GValue list = { 0 }, value = { 0 };
GST_DEBUG ("Using buffer (size %i) as streamheader", size);
g_value_init (&list, GST_TYPE_FIXED_LIST);
GST_BUFFER_FLAG_SET (outbuf, GST_BUFFER_IN_CAPS);
g_value_init (&value, GST_TYPE_BUFFER);
g_value_set_boxed (&value, outbuf);
gst_value_list_append_value (&list, &value);
g_value_unset (&value);
gst_structure_set_value (structure, "streamheader", &list);
g_value_unset (&list);
gst_pad_try_set_caps (info->pad, caps);
/* only set the first buffer */
info->set_streamheader = FALSE;
}
gst_pad_push (info->pad, GST_DATA (outbuf));
return size;