#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
+#ifdef HAVE_MMAP
#include <sys/mman.h>
+#endif
#include <errno.h>
#include <string.h>
GST_DEBUG_CATEGORY_STATIC (gst_filesrc_debug);
#define GST_CAT_DEFAULT gst_filesrc_debug
-GstElementDetails gst_filesrc_details = GST_ELEMENT_DETAILS (
- "File Source",
- "Source/File",
- "Read from arbitrary point in a file",
- "Erik Walthinsen <omega@cse.ogi.edu>"
-);
+GstElementDetails gst_filesrc_details = GST_ELEMENT_DETAILS ("File Source",
+ "Source/File",
+ "Read from arbitrary point in a file",
+ "Erik Walthinsen <omega@cse.ogi.edu>");
#define DEFAULT_BLOCKSIZE 4*1024
#define DEFAULT_MMAPSIZE 4*1024*1024
/* FileSrc signals and args */
-enum {
+enum
+{
/* FILL ME */
LAST_SIGNAL
};
-enum {
+enum
+{
ARG_0,
ARG_LOCATION,
ARG_FD,
ARG_BLOCKSIZE,
ARG_MMAPSIZE,
- ARG_TOUCH,
+ ARG_TOUCH
};
-GST_PAD_EVENT_MASK_FUNCTION (gst_filesrc_get_event_mask,
- { GST_EVENT_SEEK, GST_SEEK_METHOD_CUR |
- GST_SEEK_METHOD_SET |
- GST_SEEK_METHOD_END |
- GST_SEEK_FLAG_FLUSH },
- { GST_EVENT_FLUSH, 0 },
- { GST_EVENT_SIZE, 0 }
-)
+static const GstEventMask *
+gst_filesrc_get_event_mask (GstPad * pad)
+{
+ static const GstEventMask masks[] = {
+ {GST_EVENT_SEEK, GST_SEEK_METHOD_CUR |
+ GST_SEEK_METHOD_SET | GST_SEEK_METHOD_END | GST_SEEK_FLAG_FLUSH},
+ {GST_EVENT_FLUSH, 0},
+ {GST_EVENT_SIZE, 0},
+ {0, 0}
+ };
-GST_PAD_QUERY_TYPE_FUNCTION (gst_filesrc_get_query_types,
- GST_QUERY_TOTAL,
- GST_QUERY_POSITION
-)
+ return masks;
+}
-GST_PAD_FORMATS_FUNCTION (gst_filesrc_get_formats,
- GST_FORMAT_BYTES
-)
+static const GstQueryType *
+gst_filesrc_get_query_types (GstPad * pad)
+{
+ static const GstQueryType types[] = {
+ GST_QUERY_TOTAL,
+ GST_QUERY_POSITION,
+ 0
+ };
-static void gst_filesrc_dispose (GObject *object);
+ return types;
+}
-static void gst_filesrc_set_property (GObject *object, guint prop_id,
- const GValue *value, GParamSpec *pspec);
-static void gst_filesrc_get_property (GObject *object, guint prop_id,
- GValue *value, GParamSpec *pspec);
+static const GstFormat *
+gst_filesrc_get_formats (GstPad * pad)
+{
+ static const GstFormat formats[] = {
+ GST_FORMAT_BYTES,
+ 0,
+ };
-static gboolean gst_filesrc_check_filesize (GstFileSrc *src);
-static GstData * gst_filesrc_get (GstPad *pad);
-static gboolean gst_filesrc_srcpad_event (GstPad *pad, GstEvent *event);
-static gboolean gst_filesrc_srcpad_query (GstPad *pad, GstQueryType type,
- GstFormat *format, gint64 *value);
+ return formats;
+}
-static GstElementStateReturn gst_filesrc_change_state (GstElement *element);
+static void gst_filesrc_dispose (GObject * object);
-static void gst_filesrc_uri_handler_init (gpointer g_iface, gpointer iface_data);
+static void gst_filesrc_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec);
+static void gst_filesrc_get_property (GObject * object, guint prop_id,
+ GValue * value, GParamSpec * pspec);
+
+static gboolean gst_filesrc_check_filesize (GstFileSrc * src);
+static GstData *gst_filesrc_get (GstPad * pad);
+static gboolean gst_filesrc_srcpad_event (GstPad * pad, GstEvent * event);
+static gboolean gst_filesrc_srcpad_query (GstPad * pad, GstQueryType type,
+ GstFormat * format, gint64 * value);
+
+static GstElementStateReturn gst_filesrc_change_state (GstElement * element);
+
+static void gst_filesrc_uri_handler_init (gpointer g_iface,
+ gpointer iface_data);
static void
_do_init (GType filesrc_type)
NULL,
NULL
};
- g_type_add_interface_static (filesrc_type, GST_TYPE_URI_HANDLER, &urihandler_info);
+
+ g_type_add_interface_static (filesrc_type, GST_TYPE_URI_HANDLER,
+ &urihandler_info);
GST_DEBUG_CATEGORY_INIT (gst_filesrc_debug, "filesrc", 0, "filesrc element");
}
-GST_BOILERPLATE_FULL (GstFileSrc, gst_filesrc, GstElement, GST_TYPE_ELEMENT, _do_init);
-
+GST_BOILERPLATE_FULL (GstFileSrc, gst_filesrc, GstElement, GST_TYPE_ELEMENT,
+ _do_init);
+
static void
gst_filesrc_base_init (gpointer g_class)
{
gst_element_class_set_details (gstelement_class, &gst_filesrc_details);
}
static void
-gst_filesrc_class_init (GstFileSrcClass *klass)
+gst_filesrc_class_init (GstFileSrcClass * klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
GstElementClass *gstelement_class = GST_ELEMENT_CLASS (klass);
- gobject_class = (GObjectClass*)klass;
+ gobject_class = (GObjectClass *) klass;
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_FD,
- g_param_spec_int ("fd", "File-descriptor", "File-descriptor for the file being mmap()d",
- 0, G_MAXINT, 0, G_PARAM_READABLE));
+ g_param_spec_int ("fd", "File-descriptor",
+ "File-descriptor for the file being mmap()d", 0, G_MAXINT, 0,
+ G_PARAM_READABLE));
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_LOCATION,
- g_param_spec_string ("location", "File Location", "Location of the file to read",
- NULL, G_PARAM_READWRITE));
+ g_param_spec_string ("location", "File Location",
+ "Location of the file to read", NULL, G_PARAM_READWRITE));
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_BLOCKSIZE,
- g_param_spec_ulong ("blocksize", "Block size", "Size in bytes to read per buffer",
- 1, G_MAXULONG, DEFAULT_BLOCKSIZE, G_PARAM_READWRITE));
+ g_param_spec_ulong ("blocksize", "Block size",
+ "Size in bytes to read per buffer", 1, G_MAXULONG, DEFAULT_BLOCKSIZE,
+ G_PARAM_READWRITE));
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_MMAPSIZE,
- g_param_spec_ulong ("mmapsize", "mmap() Block Size",
- "Size in bytes of mmap()d regions",
- 0, G_MAXULONG, DEFAULT_MMAPSIZE, G_PARAM_READWRITE));
+ g_param_spec_ulong ("mmapsize", "mmap() Block Size",
+ "Size in bytes of mmap()d regions", 0, G_MAXULONG, DEFAULT_MMAPSIZE,
+ G_PARAM_READWRITE));
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_TOUCH,
- g_param_spec_boolean ("touch", "Touch read data",
- "Touch data to force disk read",
- FALSE, G_PARAM_READWRITE));
+ g_param_spec_boolean ("touch", "Touch read data",
+ "Touch data to force disk read", FALSE, G_PARAM_READWRITE));
- gobject_class->dispose = gst_filesrc_dispose;
- gobject_class->set_property = gst_filesrc_set_property;
- gobject_class->get_property = gst_filesrc_get_property;
+ gobject_class->dispose = gst_filesrc_dispose;
+ gobject_class->set_property = gst_filesrc_set_property;
+ gobject_class->get_property = gst_filesrc_get_property;
gstelement_class->change_state = gst_filesrc_change_state;
}
-static gint
-gst_filesrc_bufcmp (gconstpointer a, gconstpointer b)
-{
-/* GstBuffer *bufa = (GstBuffer *)a, *bufb = (GstBuffer *)b;*/
-
- /* sort first by offset, then in reverse by size */
- if (GST_BUFFER_OFFSET(a) < GST_BUFFER_OFFSET(b)) return -1;
- else if (GST_BUFFER_OFFSET(a) > GST_BUFFER_OFFSET(b)) return 1;
- else if (GST_BUFFER_SIZE(a) > GST_BUFFER_SIZE(b)) return -1;
- else if (GST_BUFFER_SIZE(a) < GST_BUFFER_SIZE(b)) return 1;
- else return 0;
-}
-
static void
-gst_filesrc_init (GstFileSrc *src)
+gst_filesrc_init (GstFileSrc * src)
{
src->srcpad = gst_pad_new ("src", GST_PAD_SRC);
gst_pad_set_get_function (src->srcpad, gst_filesrc_get);
gst_pad_set_formats_function (src->srcpad, gst_filesrc_get_formats);
gst_element_add_pad (GST_ELEMENT (src), src->srcpad);
- src->pagesize = getpagesize();
+#ifdef HAVE_MMAP
+ src->pagesize = getpagesize ();
+#endif
src->filename = NULL;
src->fd = 0;
src->filelen = 0;
+ src->uri = NULL;
src->curoffset = 0;
src->block_size = DEFAULT_BLOCKSIZE;
src->touch = FALSE;
src->mapbuf = NULL;
- src->mapsize = DEFAULT_MMAPSIZE; /* default is 4MB */
-
- src->map_regions = g_tree_new (gst_filesrc_bufcmp);
- src->map_regions_lock = g_mutex_new();
-
- src->seek_happened = FALSE;
+ src->mapsize = DEFAULT_MMAPSIZE; /* default is 4MB */
}
static void
-gst_filesrc_dispose (GObject *object)
+gst_filesrc_dispose (GObject * object)
{
GstFileSrc *src;
src = GST_FILESRC (object);
- G_OBJECT_CLASS (parent_class)->dispose (object);
+ g_free (src->filename);
+ g_free (src->uri);
+
+ /* dispose may be called multiple times */
+ src->filename = NULL;
+ src->uri = NULL;
- g_tree_destroy (src->map_regions);
- g_mutex_free (src->map_regions_lock);
- if (src->filename)
- g_free (src->filename);
- if (src->uri)
- g_free (src->uri);
+ G_OBJECT_CLASS (parent_class)->dispose (object);
}
static gboolean
-gst_filesrc_set_location (GstFileSrc *src, const gchar *location)
+gst_filesrc_set_location (GstFileSrc * src, const gchar * location)
{
/* the element must be stopped in order to do this */
- if (GST_STATE (src) == GST_STATE_PLAYING)
+ if (GST_STATE (src) != GST_STATE_READY && GST_STATE (src) != GST_STATE_NULL)
return FALSE;
- if (src->filename) g_free (src->filename);
- if (src->uri) g_free (src->uri);
+ g_free (src->filename);
+ g_free (src->uri);
+
/* clear the filename if we get a NULL (is that possible?) */
if (location == NULL) {
src->filename = NULL;
}
static void
-gst_filesrc_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
+gst_filesrc_set_property (GObject * object, guint prop_id, const GValue * value,
+ GParamSpec * pspec)
{
GstFileSrc *src;
src->mapsize = g_value_get_ulong (value);
g_object_notify (G_OBJECT (src), "mmapsize");
} else {
- GST_INFO_OBJECT (src, "invalid mapsize, must be a multiple of pagesize, which is %d",
- src->pagesize);
+ GST_INFO_OBJECT (src,
+ "invalid mapsize, must be a multiple of pagesize, which is %d",
+ src->pagesize);
}
break;
case ARG_TOUCH:
g_object_notify (G_OBJECT (src), "touch");
break;
default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
-gst_filesrc_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
+gst_filesrc_get_property (GObject * object, guint prop_id, GValue * value,
+ GParamSpec * pspec)
{
GstFileSrc *src;
}
}
+#ifdef HAVE_MMAP
static void
-gst_filesrc_free_parent_mmap (GstBuffer *buf)
+gst_filesrc_free_parent_mmap (GstBuffer * buf)
{
- GstFileSrc *src = GST_FILESRC (GST_BUFFER_PRIVATE (buf));
-
- GST_LOG_OBJECT (src, "freeing mmap()d buffer at %"G_GUINT64_FORMAT"+%u",
- GST_BUFFER_OFFSET (buf), GST_BUFFER_SIZE (buf));
-
- /* remove the buffer from the list of available mmap'd regions */
- g_mutex_lock (src->map_regions_lock);
- g_tree_remove (src->map_regions, buf);
- /* check to see if the tree is empty */
- if (g_tree_nnodes (src->map_regions) == 0) {
- /* we have to free the bufferpool we don't have yet */
- }
- g_mutex_unlock (src->map_regions_lock);
+ GST_LOG ("freeing mmap()d buffer at %" G_GUINT64_FORMAT "+%u",
+ GST_BUFFER_OFFSET (buf), GST_BUFFER_SIZE (buf));
#ifdef MADV_DONTNEED
/* madvise to tell the kernel what to do with it */
munmap (GST_BUFFER_DATA (buf), GST_BUFFER_MAXSIZE (buf));
/* cast to unsigned long, since there's no gportable way to print
* guint64 as hex */
- GST_LOG_OBJECT (src, "unmapped region %08lx+%08lx at %p",
- (unsigned long) GST_BUFFER_OFFSET (buf),
- (unsigned long) GST_BUFFER_MAXSIZE (buf),
- GST_BUFFER_DATA (buf));
+ GST_LOG ("unmapped region %08lx+%08lx at %p",
+ (unsigned long) GST_BUFFER_OFFSET (buf),
+ (unsigned long) GST_BUFFER_MAXSIZE (buf), GST_BUFFER_DATA (buf));
GST_BUFFER_DATA (buf) = NULL;
-
- g_object_unref (src);
- gst_buffer_default_free (buf);
}
+#endif
+#ifdef HAVE_MMAP
static GstBuffer *
-gst_filesrc_map_region (GstFileSrc *src, off_t offset, size_t size)
+gst_filesrc_map_region (GstFileSrc * src, off_t offset, size_t size)
{
GstBuffer *buf;
gint retval;
g_return_val_if_fail (offset >= 0, NULL);
- GST_LOG_OBJECT (src, "mapping region %08llx+%08lx from file into memory",offset,(unsigned long)size);
+ GST_LOG_OBJECT (src, "mapping region %08llx+%08lx from file into memory",
+ offset, (unsigned long) size);
mmapregion = mmap (NULL, size, PROT_READ, MAP_SHARED, src->fd, offset);
if (mmapregion == NULL) {
- gst_element_error (src, RESOURCE, TOO_LAZY,
- NULL,
- ("mmap call failed"));
+ GST_ELEMENT_ERROR (src, RESOURCE, TOO_LAZY, (NULL), ("mmap call failed."));
return NULL;
- }
- else if (mmapregion == MAP_FAILED) {
+ } else if (mmapregion == MAP_FAILED) {
GST_WARNING_OBJECT (src, "mmap (0x%08lx, %d, 0x%llx) failed: %s",
- (unsigned long)size, src->fd, offset, strerror (errno));
+ (unsigned long) size, src->fd, offset, strerror (errno));
return NULL;
}
- GST_LOG_OBJECT (src, "mapped region %08lx+%08lx from file into memory at %p",
- (unsigned long)offset, (unsigned long)size, mmapregion);
+ GST_LOG_OBJECT (src, "mapped region %08lx+%08lx from file into memory at %p",
+ (unsigned long) offset, (unsigned long) size, mmapregion);
/* time to allocate a new mapbuf */
buf = gst_buffer_new ();
#ifdef MADV_SEQUENTIAL
/* madvise to tell the kernel what to do with it */
- retval = madvise (GST_BUFFER_DATA (buf), GST_BUFFER_SIZE (buf), MADV_SEQUENTIAL);
+ retval =
+ madvise (GST_BUFFER_DATA (buf), GST_BUFFER_SIZE (buf), MADV_SEQUENTIAL);
#endif
/* fill in the rest of the fields */
GST_BUFFER_FLAG_SET (buf, GST_BUFFER_READONLY);
GST_BUFFER_SIZE (buf) = size;
GST_BUFFER_MAXSIZE (buf) = size;
GST_BUFFER_OFFSET (buf) = offset;
+ GST_BUFFER_OFFSET_END (buf) = offset + size;
GST_BUFFER_TIMESTAMP (buf) = GST_CLOCK_TIME_NONE;
GST_BUFFER_PRIVATE (buf) = src;
- g_object_ref (src);
- GST_BUFFER_FREE_FUNC (buf) = (GstDataFreeFunction) gst_filesrc_free_parent_mmap;
-
- g_mutex_lock (src->map_regions_lock);
- g_tree_insert (src->map_regions,buf,buf);
- g_mutex_unlock (src->map_regions_lock);
+ GST_BUFFER_FREE_DATA_FUNC (buf) = gst_filesrc_free_parent_mmap;
return buf;
}
+#endif
+#ifdef HAVE_MMAP
static GstBuffer *
-gst_filesrc_map_small_region (GstFileSrc *src, off_t offset, size_t size)
+gst_filesrc_map_small_region (GstFileSrc * src, off_t offset, size_t size)
{
size_t mapsize;
off_t mod, mapbase;
GstBuffer *ret;
mapbase = offset - mod;
- mapsize = ((size + mod + src->pagesize - 1) / src->pagesize) * src->pagesize;
+ mapsize =
+ ((size + mod + src->pagesize - 1) / src->pagesize) * src->pagesize;
/* printf("not on page boundaries, resizing map to %d+%d\n",mapbase,mapsize);*/
- map = gst_filesrc_map_region(src, mapbase, mapsize);
+ map = gst_filesrc_map_region (src, mapbase, mapsize);
if (map == NULL)
return NULL;
return ret;
}
- return gst_filesrc_map_region(src,offset,size);
-}
-
-typedef struct {
- off_t offset;
- off_t size;
-} GstFileSrcRegion;
-
-/* This allows us to search for a potential mmap region. */
-static gint
-gst_filesrc_search_region_match (gpointer a, gpointer b)
-{
- GstFileSrcRegion *r = (GstFileSrcRegion *)b;
-
- /* trying to walk b down the tree, current node is a */
- if (r->offset < GST_BUFFER_OFFSET(a)) return -1;
- else if (r->offset >= (GST_BUFFER_OFFSET(a) + GST_BUFFER_SIZE(a))) return 1;
- else if ((r->offset + r->size) <= (GST_BUFFER_OFFSET(a) + GST_BUFFER_SIZE(a))) return 0;
-
- return -2;
+ return gst_filesrc_map_region (src, offset, size);
}
+#endif
+#ifdef HAVE_MMAP
/**
* gst_filesrc_get_mmap:
* @pad: #GstPad to push a buffer from
* Push a new buffer from the filesrc at the current offset.
*/
static GstBuffer *
-gst_filesrc_get_mmap (GstFileSrc *src)
+gst_filesrc_get_mmap (GstFileSrc * src)
{
- GstBuffer *buf = NULL, *map;
+ GstBuffer *buf = NULL;
size_t readsize, mapsize;
- off_t readend,mapstart,mapend;
- GstFileSrcRegion region;
+ off_t readend, mapstart, mapend;
int i;
/* calculate end pointers so we don't have to do so repeatedly later */
readsize = src->block_size;
- readend = src->curoffset + src->block_size; /* note this is the byte *after* the read */
+ readend = src->curoffset + src->block_size; /* note this is the byte *after* the read */
mapstart = GST_BUFFER_OFFSET (src->mapbuf);
mapsize = GST_BUFFER_SIZE (src->mapbuf);
- mapend = mapstart + mapsize; /* note this is the byte *after* the map */
+ mapend = mapstart + mapsize; /* note this is the byte *after* the map */
/* check to see if we're going to overflow the end of the file */
if (readend > src->filelen) {
}
}
- GST_LOG ("attempting to read %08lx, %08lx, %08lx, %08lx",
- (unsigned long)readsize, (unsigned long)readend,
- (unsigned long)mapstart, (unsigned long)mapend);
+ GST_LOG ("attempting to read %08lx, %08lx, %08lx, %08lx",
+ (unsigned long) readsize, (unsigned long) readend,
+ (unsigned long) mapstart, (unsigned long) mapend);
/* if the start is past the mapstart */
if (src->curoffset >= mapstart) {
/* if the end is before the mapend, the buffer is in current mmap region... */
/* ('cause by definition if readend is in the buffer, so's readstart) */
if (readend <= mapend) {
- GST_LOG_OBJECT (src, "read buf %llu+%d lives in current mapbuf %lld+%d, creating subbuffer of mapbuf",
- src->curoffset, readsize, mapstart, mapsize);
- buf = gst_buffer_create_sub (src->mapbuf, src->curoffset - mapstart,
- readsize);
+ GST_LOG_OBJECT (src,
+ "read buf %llu+%d lives in current mapbuf %lld+%d, creating subbuffer of mapbuf",
+ src->curoffset, (int) readsize, mapstart, mapsize);
+ buf =
+ gst_buffer_create_sub (src->mapbuf, src->curoffset - mapstart,
+ readsize);
GST_BUFFER_OFFSET (buf) = src->curoffset;
- /* if the start actually is within the current mmap region, map an overlap buffer */
+ /* if the start actually is within the current mmap region, map an overlap buffer */
} else if (src->curoffset < mapend) {
- GST_LOG_OBJECT (src, "read buf %llu+%d starts in mapbuf %d+%d but ends outside, creating new mmap",
- (unsigned long long) src->curoffset, (gint) readsize, (gint) mapstart, (gint) mapsize);
+ GST_LOG_OBJECT (src,
+ "read buf %llu+%d starts in mapbuf %d+%d but ends outside, creating new mmap",
+ (unsigned long long) src->curoffset, (gint) readsize, (gint) mapstart,
+ (gint) mapsize);
buf = gst_filesrc_map_small_region (src, src->curoffset, readsize);
if (buf == NULL)
return NULL;
/* the only other option is that buffer is totally outside, which means we search for it */
- /* now we can assume that the start is *before* the current mmap region */
- /* if the readend is past mapstart, we have two options */
+ /* now we can assume that the start is *before* the current mmap region */
+ /* if the readend is past mapstart, we have two options */
} else if (readend >= mapstart) {
/* either the read buffer overlaps the start of the mmap region */
/* or the read buffer fully contains the current mmap region */
- /* either way, it's really not relevant, we just create a new region anyway*/
- GST_LOG_OBJECT (src, "read buf %llu+%d starts before mapbuf %d+%d, but overlaps it",
- (unsigned long long) src->curoffset, (gint) readsize, (gint) mapstart, (gint) mapsize);
+ /* either way, it's really not relevant, we just create a new region anyway */
+ GST_LOG_OBJECT (src,
+ "read buf %llu+%d starts before mapbuf %d+%d, but overlaps it",
+ (unsigned long long) src->curoffset, (gint) readsize, (gint) mapstart,
+ (gint) mapsize);
buf = gst_filesrc_map_small_region (src, src->curoffset, readsize);
if (buf == NULL)
return NULL;
/* then deal with the case where the read buffer is totally outside */
if (buf == NULL) {
/* first check to see if there's a map that covers the right region already */
- GST_LOG_OBJECT (src, "searching for mapbuf to cover %llu+%d",src->curoffset,readsize);
- region.offset = src->curoffset;
- region.size = readsize;
- map = g_tree_search (src->map_regions,
- (GCompareFunc) gst_filesrc_search_region_match,
- (gpointer)®ion);
-
- /* if we found an exact match, subbuffer it */
- if (map != NULL) {
- GST_LOG_OBJECT (src, "found mapbuf at %"G_GUINT64_FORMAT"+%u, creating subbuffer",
- GST_BUFFER_OFFSET (map), GST_BUFFER_SIZE (map));
- buf = gst_buffer_create_sub (map, src->curoffset - GST_BUFFER_OFFSET(map), readsize);
- GST_BUFFER_OFFSET (buf) = src->curoffset;
-
- /* otherwise we need to create something out of thin air */
- } else {
- /* if the read buffer crosses a mmap region boundary, create a one-off region */
- if ((src->curoffset / src->mapsize) != (readend / src->mapsize)) {
- GST_LOG_OBJECT (src, "read buf %llu+%d crosses a %d-byte boundary, creating a one-off",
- src->curoffset,readsize,src->mapsize);
- buf = gst_filesrc_map_small_region (src, src->curoffset, readsize);
- if (buf == NULL)
- return NULL;
+ GST_LOG_OBJECT (src, "searching for mapbuf to cover %llu+%d",
+ src->curoffset, (int) readsize);
+
+ /* if the read buffer crosses a mmap region boundary, create a one-off region */
+ if ((src->curoffset / src->mapsize) != (readend / src->mapsize)) {
+ GST_LOG_OBJECT (src,
+ "read buf %llu+%d crosses a %d-byte boundary, creating a one-off",
+ src->curoffset, (int) readsize, (int) src->mapsize);
+ buf = gst_filesrc_map_small_region (src, src->curoffset, readsize);
+ if (buf == NULL)
+ return NULL;
/* otherwise we will create a new mmap region and set it to the default */
- } else {
- size_t mapsize;
-
- off_t nextmap = src->curoffset - (src->curoffset % src->mapsize);
- GST_LOG_OBJECT (src, "read buf %llu+%d in new mapbuf at %llu+%d, mapping and subbuffering",
- src->curoffset, readsize, nextmap, src->mapsize);
- /* first, we're done with the old mapbuf */
- gst_buffer_unref(src->mapbuf);
- mapsize = src->mapsize;
-
- /* double the mapsize as long as the readsize is smaller */
- while (readsize - (src->curoffset - nextmap) > mapsize) {
- GST_LOG_OBJECT (src, "readsize smaller then mapsize %08x %d", readsize, mapsize);
- mapsize <<=1;
- }
- /* create a new one */
- src->mapbuf = gst_filesrc_map_region (src, nextmap, mapsize);
- if (src->mapbuf == NULL)
- return NULL;
-
- /* subbuffer it */
- buf = gst_buffer_create_sub (src->mapbuf, src->curoffset - nextmap, readsize);
- GST_BUFFER_OFFSET (buf) = GST_BUFFER_OFFSET (src->mapbuf) + src->curoffset - nextmap;
+ } else {
+ size_t mapsize;
+
+ off_t nextmap = src->curoffset - (src->curoffset % src->mapsize);
+
+ GST_LOG_OBJECT (src,
+ "read buf %llu+%d in new mapbuf at %llu+%d, mapping and subbuffering",
+ src->curoffset, readsize, nextmap, src->mapsize);
+ /* first, we're done with the old mapbuf */
+ gst_buffer_unref (src->mapbuf);
+ mapsize = src->mapsize;
+
+ /* double the mapsize as long as the readsize is smaller */
+ while (readsize - (src->curoffset - nextmap) > mapsize) {
+ GST_LOG_OBJECT (src, "readsize smaller then mapsize %08x %d",
+ readsize, (int) mapsize);
+ mapsize <<= 1;
}
+ /* create a new one */
+ src->mapbuf = gst_filesrc_map_region (src, nextmap, mapsize);
+ if (src->mapbuf == NULL)
+ return NULL;
+
+ /* subbuffer it */
+ buf =
+ gst_buffer_create_sub (src->mapbuf, src->curoffset - nextmap,
+ readsize);
+ GST_BUFFER_OFFSET (buf) =
+ GST_BUFFER_OFFSET (src->mapbuf) + src->curoffset - nextmap;
}
}
if (src->touch) {
volatile guchar *p = GST_BUFFER_DATA (buf), c;
- for (i=0; i < GST_BUFFER_SIZE (buf); i += src->pagesize)
+ for (i = 0; i < GST_BUFFER_SIZE (buf); i += src->pagesize)
c = p[i];
}
/* we're done, return the buffer */
g_assert (src->curoffset == GST_BUFFER_OFFSET (buf));
- src->curoffset += GST_BUFFER_SIZE(buf);
+ src->curoffset += GST_BUFFER_SIZE (buf);
return buf;
}
+#endif
static GstBuffer *
-gst_filesrc_get_read (GstFileSrc *src)
+gst_filesrc_get_read (GstFileSrc * src)
{
GstBuffer *buf = NULL;
size_t readsize;
readsize = src->block_size;
if (src->curoffset + readsize > src->filelen) {
- if (!gst_filesrc_check_filesize (src) || src->curoffset + readsize > src->filelen) {
+ if (!gst_filesrc_check_filesize (src)
+ || src->curoffset + readsize > src->filelen) {
readsize = src->filelen - src->curoffset;
}
}
g_return_val_if_fail (buf != NULL, NULL);
ret = read (src->fd, GST_BUFFER_DATA (buf), readsize);
- if (ret < 0){
- gst_element_error (src, RESOURCE, READ,
- NULL,
- GST_ERROR_SYSTEM);
+ if (ret < 0) {
+ GST_ELEMENT_ERROR (src, RESOURCE, READ, (NULL), GST_ERROR_SYSTEM);
return NULL;
}
if (ret < readsize) {
- gst_element_error (src, RESOURCE, READ,
- NULL,
- ("unexpected end of file"));
+ GST_ELEMENT_ERROR (src, RESOURCE, READ, (NULL),
+ ("unexpected end of file."));
return NULL;
}
+ GST_BUFFER_SIZE (buf) = readsize;
+ GST_BUFFER_MAXSIZE (buf) = readsize;
+ GST_BUFFER_OFFSET (buf) = src->curoffset;
+ GST_BUFFER_OFFSET_END (buf) = src->curoffset + readsize;
src->curoffset += readsize;
return buf;
}
static GstData *
-gst_filesrc_get (GstPad *pad)
+gst_filesrc_get (GstPad * pad)
{
GstFileSrc *src;
src = GST_FILESRC (gst_pad_get_parent (pad));
g_return_val_if_fail (GST_FLAG_IS_SET (src, GST_FILESRC_OPEN), NULL);
- /* check for seek */
- if (src->seek_happened) {
- GstEvent *event;
-
- src->seek_happened = FALSE;
- GST_DEBUG_OBJECT (src, "sending discont");
- event = gst_event_new_discontinuous (FALSE, GST_FORMAT_BYTES, src->curoffset, NULL);
- src->need_flush = FALSE;
- return GST_DATA (event);
- }
/* check for flush */
if (src->need_flush) {
src->need_flush = FALSE;
GST_DEBUG_OBJECT (src, "sending flush");
return GST_DATA (gst_event_new_flush ());
}
+ /* check for seek */
+ if (src->need_discont) {
+ GstEvent *event;
+
+ src->need_discont = FALSE;
+ GST_DEBUG_OBJECT (src, "sending discont");
+ event =
+ gst_event_new_discontinuous (FALSE, GST_FORMAT_BYTES, src->curoffset,
+ NULL);
+ return GST_DATA (event);
+ }
/* check for EOF */
g_assert (src->curoffset <= src->filelen);
if (src->curoffset == src->filelen) {
if (!gst_filesrc_check_filesize (src) || src->curoffset >= src->filelen) {
- GST_DEBUG_OBJECT (src, "eos %" G_GINT64_FORMAT" %" G_GINT64_FORMAT,
- src->curoffset, src->filelen);
+ GST_DEBUG_OBJECT (src, "eos %" G_GINT64_FORMAT " %" G_GINT64_FORMAT,
+ src->curoffset, src->filelen);
gst_element_set_eos (GST_ELEMENT (src));
return GST_DATA (gst_event_new (GST_EVENT_EOS));
}
}
-
- if (src->using_mmap){
+#ifdef HAVE_MMAP
+ if (src->using_mmap) {
return GST_DATA (gst_filesrc_get_mmap (src));
- }else{
+ } else {
return GST_DATA (gst_filesrc_get_read (src));
}
+#else
+ return GST_DATA (gst_filesrc_get_read (src));
+#endif
}
/* TRUE if the filesize of the file was updated */
static gboolean
-gst_filesrc_check_filesize (GstFileSrc *src)
+gst_filesrc_check_filesize (GstFileSrc * src)
{
struct stat stat_results;
-
- g_return_val_if_fail (GST_FLAG_IS_SET (src ,GST_FILESRC_OPEN), FALSE);
- fstat(src->fd, &stat_results);
- GST_DEBUG_OBJECT (src, "checked filesize on %s (was %"G_GUINT64_FORMAT", is %"G_GUINT64_FORMAT")",
- src->filename, src->filelen, (guint64) stat_results.st_size);
+ g_return_val_if_fail (GST_FLAG_IS_SET (src, GST_FILESRC_OPEN), FALSE);
+
+ fstat (src->fd, &stat_results);
+ GST_DEBUG_OBJECT (src,
+ "checked filesize on %s (was %" G_GUINT64_FORMAT ", is %" G_GUINT64_FORMAT
+ ")", src->filename, src->filelen, (guint64) stat_results.st_size);
if (src->filelen == (guint64) stat_results.st_size)
return FALSE;
src->filelen = stat_results.st_size;
return TRUE;
}
+
/* open the file and mmap it, necessary to go to READY state */
static gboolean
-gst_filesrc_open_file (GstFileSrc *src)
+gst_filesrc_open_file (GstFileSrc * src)
{
- g_return_val_if_fail (!GST_FLAG_IS_SET (src ,GST_FILESRC_OPEN), FALSE);
+ g_return_val_if_fail (!GST_FLAG_IS_SET (src, GST_FILESRC_OPEN), FALSE);
- if (src->filename == NULL)
- {
- gst_element_error (src, RESOURCE, NOT_FOUND,
- (_("No filename specified")),
- NULL);
- return FALSE;
- }
-
- if (src->filename == NULL)
- {
- gst_element_error (src, RESOURCE, NOT_FOUND,
- (_("No file specified for reading")),
- NULL);
+ if (src->filename == NULL || src->filename[0] == '\0') {
+ GST_ELEMENT_ERROR (src, RESOURCE, NOT_FOUND,
+ (_("No file name specified for reading.")), (NULL));
return FALSE;
}
- GST_INFO_OBJECT (src, "opening file %s",src->filename);
+ GST_INFO_OBJECT (src, "opening file %s", src->filename);
/* open the file */
src->fd = open (src->filename, O_RDONLY);
- if (src->fd < 0)
- {
+ if (src->fd < 0) {
if (errno == ENOENT)
- gst_element_error (src, RESOURCE, NOT_FOUND, NULL, NULL);
+ GST_ELEMENT_ERROR (src, RESOURCE, NOT_FOUND, (NULL), (NULL));
else
- gst_element_error (src, RESOURCE, OPEN_READ,
- (_("Could not open file \"%s\" for reading"), src->filename),
- GST_ERROR_SYSTEM);
+ GST_ELEMENT_ERROR (src, RESOURCE, OPEN_READ,
+ (_("Could not open file \"%s\" for reading."), src->filename),
+ GST_ERROR_SYSTEM);
return FALSE;
} else {
/* check if it is a regular file, otherwise bail out */
struct stat stat_results;
- fstat(src->fd, &stat_results);
+ fstat (src->fd, &stat_results);
- if (!S_ISREG(stat_results.st_mode)) {
- gst_element_error (src, RESOURCE, OPEN_READ,
- (_("File \"%s\" isn't a regular file"), src->filename),
- NULL);
- close(src->fd);
+ if (!S_ISREG (stat_results.st_mode)) {
+ GST_ELEMENT_ERROR (src, RESOURCE, OPEN_READ,
+ (_("File \"%s\" isn't a regular file."), src->filename), (NULL));
+ close (src->fd);
return FALSE;
}
-
+
/* find the file length */
src->filelen = stat_results.st_size;
+ src->using_mmap = FALSE;
+#ifdef HAVE_MMAP
/* allocate the first mmap'd region */
src->mapbuf = gst_filesrc_map_region (src, 0, src->mapsize);
- if (src->mapbuf == NULL) {
- src->using_mmap = FALSE;
- }else{
+ if (src->mapbuf != NULL) {
src->using_mmap = TRUE;
}
+#endif
+
src->curoffset = 0;
/* unmap and close the file */
static void
-gst_filesrc_close_file (GstFileSrc *src)
+gst_filesrc_close_file (GstFileSrc * src)
{
g_return_if_fail (GST_FLAG_IS_SET (src, GST_FILESRC_OPEN));
static GstElementStateReturn
-gst_filesrc_change_state (GstElement *element)
+gst_filesrc_change_state (GstElement * element)
{
- GstFileSrc *src = GST_FILESRC(element);
+ GstFileSrc *src = GST_FILESRC (element);
switch (GST_STATE_TRANSITION (element)) {
case GST_STATE_NULL_TO_READY:
if (!gst_filesrc_open_file (GST_FILESRC (element)))
return GST_STATE_FAILURE;
}
+ src->need_discont = TRUE;
break;
case GST_STATE_PAUSED_TO_READY:
if (GST_FLAG_IS_SET (element, GST_FILESRC_OPEN))
gst_filesrc_close_file (GST_FILESRC (element));
- src->seek_happened = TRUE;
+ src->need_discont = TRUE;
break;
default:
break;
}
static gboolean
-gst_filesrc_srcpad_query (GstPad *pad, GstQueryType type,
- GstFormat *format, gint64 *value)
+gst_filesrc_srcpad_query (GstPad * pad, GstQueryType type,
+ GstFormat * format, gint64 * value)
{
GstFileSrc *src = GST_FILESRC (GST_PAD_PARENT (pad));
switch (type) {
case GST_QUERY_TOTAL:
if (*format != GST_FORMAT_BYTES) {
- return FALSE;
+ return FALSE;
}
gst_filesrc_check_filesize (src);
*value = src->filelen;
break;
case GST_QUERY_POSITION:
switch (*format) {
- case GST_FORMAT_BYTES:
+ case GST_FORMAT_BYTES:
*value = src->curoffset;
break;
- case GST_FORMAT_PERCENT:
- if (src->filelen == 0)
- return FALSE;
+ case GST_FORMAT_PERCENT:
+ if (src->filelen == 0)
+ return FALSE;
*value = src->curoffset * GST_FORMAT_PERCENT_MAX / src->filelen;
break;
default:
- return FALSE;
+ return FALSE;
}
break;
default:
}
static gboolean
-gst_filesrc_srcpad_event (GstPad *pad, GstEvent *event)
+gst_filesrc_srcpad_event (GstPad * pad, GstEvent * event)
{
GstFileSrc *src = GST_FILESRC (GST_PAD_PARENT (pad));
gint64 offset;
if (GST_EVENT_SEEK_FORMAT (event) != GST_FORMAT_BYTES) {
- goto error;
+ goto error;
}
offset = GST_EVENT_SEEK_OFFSET (event);
switch (GST_EVENT_SEEK_METHOD (event)) {
case GST_SEEK_METHOD_SET:
- if (offset > src->filelen && (!gst_filesrc_check_filesize (src) || offset > src->filelen)) {
- goto error;
- }
+ if (offset < 0 ||
+ (offset > src->filelen && (!gst_filesrc_check_filesize (src)
+ || offset > src->filelen))) {
+ goto error;
+ }
src->curoffset = offset;
- GST_DEBUG_OBJECT (src, "seek set pending to %" G_GINT64_FORMAT, src->curoffset);
- break;
+ GST_DEBUG_OBJECT (src, "seek set pending to %" G_GINT64_FORMAT,
+ src->curoffset);
+ break;
case GST_SEEK_METHOD_CUR:
- if (offset + src->curoffset > src->filelen)
- if (!gst_filesrc_check_filesize (src) || offset + src->curoffset > src->filelen)
- goto error;
+ if (offset + src->curoffset > src->filelen)
+ if (!gst_filesrc_check_filesize (src)
+ || offset + src->curoffset > src->filelen)
+ goto error;
src->curoffset += offset;
- GST_DEBUG_OBJECT (src, "seek cur pending to %" G_GINT64_FORMAT, src->curoffset);
- break;
+ GST_DEBUG_OBJECT (src, "seek cur pending to %" G_GINT64_FORMAT,
+ src->curoffset);
+ break;
case GST_SEEK_METHOD_END:
if (ABS (offset) > src->filelen) {
- if (!gst_filesrc_check_filesize (src) || ABS (offset) > src->filelen)
- goto error;
- goto error;
- }
+ if (!gst_filesrc_check_filesize (src)
+ || ABS (offset) > src->filelen)
+ goto error;
+ goto error;
+ }
src->curoffset = src->filelen - ABS (offset);
- GST_DEBUG_OBJECT (src, "seek end pending to %" G_GINT64_FORMAT, src->curoffset);
- break;
- default:
+ GST_DEBUG_OBJECT (src, "seek end pending to %" G_GINT64_FORMAT,
+ src->curoffset);
+ break;
+ default:
goto error;
- break;
+ break;
}
- src->seek_happened = TRUE;
- src->need_flush = GST_EVENT_SEEK_FLAGS(event) & GST_SEEK_FLAG_FLUSH;
+ src->need_discont = TRUE;
+ src->need_flush = GST_EVENT_SEEK_FLAGS (event) & GST_SEEK_FLAG_FLUSH;
break;
}
case GST_EVENT_SIZE:
if (GST_EVENT_SIZE_FORMAT (event) != GST_FORMAT_BYTES) {
- goto error;
+ goto error;
}
src->block_size = GST_EVENT_SIZE_VALUE (event);
- g_object_notify (G_OBJECT (src), "blocksize");
+ g_object_notify (G_OBJECT (src), "blocksize");
break;
case GST_EVENT_FLUSH:
src->need_flush = TRUE;
return GST_URI_SRC;
}
static gchar **
-gst_filesrc_uri_get_protocols(void)
+gst_filesrc_uri_get_protocols (void)
{
- static gchar *protocols[] = {"file", NULL};
+ static gchar *protocols[] = { "file", NULL };
+
return protocols;
}
static const gchar *
-gst_filesrc_uri_get_uri (GstURIHandler *handler)
+gst_filesrc_uri_get_uri (GstURIHandler * handler)
{
GstFileSrc *src = GST_FILESRC (handler);
-
+
return src->uri;
}
+
static gboolean
-gst_filesrc_uri_set_uri (GstURIHandler *handler, const gchar *uri)
+gst_filesrc_uri_set_uri (GstURIHandler * handler, const gchar * uri)
{
gchar *protocol, *location;
gboolean ret;
iface->get_uri = gst_filesrc_uri_get_uri;
iface->set_uri = gst_filesrc_uri_set_uri;
}
-
projects / platform / upstream / gstreamer.git / blobdiff