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filesrc: minor cosmetic changes

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Rename woffset variable, maintain separate bytes_read in addition
to length variable.
This commit is contained in:
Tim-Philipp Müller 2011-12-25 12:29:46 +00:00
parent f2d76b7e7b
commit cf5de908fb
1 changed files with 11 additions and 9 deletions
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20
plugins/elements/gstfilesrc.c
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@ -800,7 +800,7 @@ gst_file_src_create_read (GstFileSrc * src, guint64 offset, guint length,
{
int ret;
GstBuffer *buf;
guint64 woffset;
guint to_read, bytes_read;
if (G_UNLIKELY (src->read_position != offset)) {
off_t res;
@ -822,12 +822,13 @@ gst_file_src_create_read (GstFileSrc * src, guint64 offset, guint length,
GST_BUFFER_SIZE (buf) = 0;
GST_BUFFER_OFFSET (buf) = offset;
GST_BUFFER_OFFSET_END (buf) = offset;
woffset = 0;
while (length > 0) {
bytes_read = 0;
to_read = length;
while (to_read > 0) {
GST_LOG_OBJECT (src, "Reading %d bytes at offset 0x%" G_GINT64_MODIFIER "x",
length, offset + woffset);
to_read, offset + bytes_read);
errno = 0;
ret = read (src->fd, GST_BUFFER_DATA (buf) + woffset, length);
ret = read (src->fd, GST_BUFFER_DATA (buf) + bytes_read, to_read);
if (G_UNLIKELY (ret < 0)) {
if (errno == EAGAIN || errno == EINTR)
continue;
@ -838,14 +839,15 @@ gst_file_src_create_read (GstFileSrc * src, guint64 offset, guint length,
if (G_UNLIKELY (ret == 0))
goto eos;
length -= ret;
woffset += ret;
GST_BUFFER_SIZE (buf) += ret;
GST_BUFFER_OFFSET_END (buf) += ret;
to_read -= ret;
bytes_read += ret;
src->read_position += ret;
}
GST_BUFFER_SIZE (buf) = bytes_read;
GST_BUFFER_OFFSET_END (buf) = offset + bytes_read;
*buffer = buf;
return GST_FLOW_OK;