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authorEdgard Lima <edgard.lima@indt.org.br>2007-12-21 09:45:56 +0000
committerEdgard Lima <edgard.lima@indt.org.br>2007-12-21 09:45:56 +0000
commit0f2ac9fe8b5c7f37e61f3eef95299098ce953f1e (patch)
tree80ecd68c91efd8f1e03825664f66f7bd0d0da63e /ext/metadata/gstmetadatacommon.c
parentbb4e1d10e99c206fdf0ca22a43ef20efa24236ef (diff)
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Removed gstmetadatacommon.
Original commit message from CVS: Removed gstmetadatacommon.
Diffstat (limited to 'ext/metadata/gstmetadatacommon.c')
-rw-r--r--ext/metadata/gstmetadatacommon.c630
1 files changed, 0 insertions, 630 deletions
diff --git a/ext/metadata/gstmetadatacommon.c b/ext/metadata/gstmetadatacommon.c
deleted file mode 100644
index 7fbb2cdd..00000000
--- a/ext/metadata/gstmetadatacommon.c
+++ /dev/null
@@ -1,630 +0,0 @@
-/*
- * GStreamer
- * Copyright 2007 Edgard Lima <edgard.lima@indt.org.br>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Alternatively, the contents of this file may be used under the
- * GNU Lesser General Public License Version 2.1 (the "LGPL"), in
- * which case the following provisions apply instead of the ones
- * mentioned above:
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
- */
-
-/**
- * SECTION:metadatamux-metadata
- *
- * <refsect2>
- * <title>Example launch line</title>
- * <para>
- * <programlisting>
- * gst-launch -v -m filesrc location=./test.jpeg ! metadatamux ! fakesink silent=TRUE
- * </programlisting>
- * </para>
- * </refsect2>
- */
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include <string.h>
-
-/*
- * static functions declaration
- */
-
-#include "gstmetadatacommon.h"
-
-/*
- * offset - offset of buffer in original stream
- * size - size of buffer
- * seg_offset - offset of segment in original stream
- * seg_size - size of segment
- * boffset - offset inside buffer where segment starts (-1 for no intersection)
- * bsize - size of intersection
- * seg_binter - if segment start inside buffer is zero. if segment start before
- * buffer and intersect, it is the offset inside segment.
- *
- * ret:
- * -1 - segment before buffer
- * 0 - segment intersects
- * 1 - segment after buffer
- */
-
-static int
-gst_metadata_common_get_strip_seg (const gint64 offset, guint32 size,
- const gint64 seg_offset, const guint32 seg_size,
- gint64 * boffset, guint32 * bsize, guint32 * seg_binter)
-{
- int ret = -1;
-
- *boffset = -1;
- *bsize = 0;
- *seg_binter = -1;
-
- /* all segment after buffer */
- if (seg_offset >= offset + size) {
- ret = 1;
- goto done;
- }
-
- if (seg_offset < offset) {
- /* segment start somewhere before buffer */
-
- /* all segment before buffer */
- if (seg_offset + seg_size <= offset) {
- ret = -1;
- goto done;
- }
-
- *seg_binter = offset - seg_offset;
- *boffset = 0;
-
- /* FIXME : optimize to >= size -> = size */
- if (seg_offset + seg_size >= offset + size) {
- /* segment cover all buffer */
- *bsize = size;
- } else {
- /* segment goes from start of buffer to somewhere before end */
- *bsize = seg_size - *seg_binter;
- }
-
- ret = 0;
-
- } else {
- /* segment start somewhere into buffer */
-
- *boffset = seg_offset - offset;
- *seg_binter = 0;
-
- if (seg_offset + seg_size <= offset + size) {
- /* all segment into buffer */
- *bsize = seg_size;
- } else {
- *bsize = size - *boffset;
- }
-
- ret = 0;
-
- }
-
-done:
-
- return ret;
-
-}
-
-/*
- * extern functions declaration
- */
-
-void
-gst_metadata_common_init (GstMetadataCommon * common, MetaOptions options)
-{
- metadata_init (&common->metadata, options);
-}
-
-void
-gst_metadata_common_dispose (GstMetadataCommon * common)
-{
- if (common->append_buffer) {
- gst_buffer_unref (common->append_buffer);
- common->append_buffer = NULL;
- }
- metadata_dispose (&common->metadata);
-}
-
-/*
-
-/*
- * TRUE -> buffer striped or injeted
- * FALSE -> buffer unmodified
- */
-
-gboolean
-gst_metadata_common_strip_push_buffer (GstMetadataCommon * common,
- gint64 offset_orig, GstBuffer ** prepend, GstBuffer ** buf)
-{
- MetadataChunk *strip = common->metadata.strip_chunks.chunk;
- MetadataChunk *inject = common->metadata.inject_chunks.chunk;
- const gsize strip_len = common->metadata.strip_chunks.len;
- const gsize inject_len = common->metadata.inject_chunks.len;
-
- gboolean buffer_reallocated = FALSE;
-
- guint32 size_buf_in = GST_BUFFER_SIZE (*buf);
-
- gint64 *boffset_strip = NULL;
- guint32 *bsize_strip = NULL;
- guint32 *seg_binter_strip = NULL;
-
- int i, j;
- gboolean need_free_strip = FALSE;
-
- guint32 striped_bytes = 0;
- guint32 injected_bytes = 0;
-
- guint32 prepend_size = prepend && *prepend ? GST_BUFFER_SIZE (*prepend) : 0;
-
- if (inject_len) {
-
- for (i = 0; i < inject_len; ++i) {
- int res;
-
- if (inject[i].offset_orig >= offset_orig) {
- if (inject[i].offset_orig < offset_orig + size_buf_in) {
- injected_bytes += inject[i].size;
- } else {
- /* segment is after size (segments are sorted) */
- break;
- }
- }
- }
-
- }
-
- /*
- * strip segments
- */
-
- if (strip_len == 0)
- goto inject;
-
- if (G_UNLIKELY (strip_len > 16)) {
- boffset_strip = g_new (gint64, strip_len);
- bsize_strip = g_new (guint32, strip_len);
- seg_binter_strip = g_new (guint32, strip_len);
- need_free_strip = TRUE;
- } else {
- boffset_strip = g_alloca (sizeof (boffset_strip[0]) * strip_len);
- bsize_strip = g_alloca (sizeof (bsize_strip[0]) * strip_len);
- seg_binter_strip = g_alloca (sizeof (seg_binter_strip[0]) * strip_len);
- }
-
- memset (bsize_strip, 0x00, sizeof (bsize_strip[0]) * strip_len);
-
- for (i = 0; i < strip_len; ++i) {
- int res;
-
- res = gst_metadata_common_get_strip_seg (offset_orig, size_buf_in,
- strip[i].offset_orig, strip[i].size, &boffset_strip[i], &bsize_strip[i],
- &seg_binter_strip[i]);
-
- /* segment is after size (segments are sorted) */
- striped_bytes += bsize_strip[i];
- if (res > 0) {
- break;
- }
-
- }
-
- if (striped_bytes) {
-
- guint8 *data;
-
- if (!buffer_reallocated) {
- buffer_reallocated = TRUE;
- if (injected_bytes + prepend_size > striped_bytes) {
- GstBuffer *new_buf =
- gst_buffer_new_and_alloc (GST_BUFFER_SIZE (*buf) + injected_bytes +
- prepend_size - striped_bytes);
-
- memcpy (GST_BUFFER_DATA (new_buf), GST_BUFFER_DATA (*buf),
- GST_BUFFER_SIZE (*buf));
-
- gst_buffer_unref (*buf);
- *buf = new_buf;
-
- } else if (GST_BUFFER_FLAG_IS_SET (buf, GST_BUFFER_FLAG_READONLY)) {
- GstBuffer *new_buf = gst_buffer_copy (*buf);
-
- gst_buffer_unref (*buf);
- *buf = new_buf;
- GST_BUFFER_FLAG_UNSET (*buf, GST_BUFFER_FLAG_READONLY);
- GST_BUFFER_SIZE (*buf) += injected_bytes + prepend_size - striped_bytes;
- }
- }
-
- data = GST_BUFFER_DATA (*buf);
-
- striped_bytes = 0;
- for (i = 0; i < strip_len; ++i) {
- /* intersect */
- if (bsize_strip[i]) {
- memmove (data + boffset_strip[i] - striped_bytes,
- data + boffset_strip[i] + bsize_strip[i] - striped_bytes,
- size_buf_in - boffset_strip[i] - bsize_strip[i]);
- striped_bytes += bsize_strip[i];
- }
- }
- size_buf_in -= striped_bytes;
-
- }
-
-inject:
-
- /*
- * inject segments
- */
-
- if (inject_len) {
-
- guint8 *data;
- guint32 striped_so_far;
-
- if (!buffer_reallocated) {
- buffer_reallocated = TRUE;
- if (injected_bytes + prepend_size > striped_bytes) {
- GstBuffer *new_buf =
- gst_buffer_new_and_alloc (GST_BUFFER_SIZE (*buf) + injected_bytes +
- prepend_size - striped_bytes);
-
- memcpy (GST_BUFFER_DATA (new_buf), GST_BUFFER_DATA (*buf),
- GST_BUFFER_SIZE (*buf));
-
- gst_buffer_unref (*buf);
- *buf = new_buf;
-
- } else if (GST_BUFFER_FLAG_IS_SET (buf, GST_BUFFER_FLAG_READONLY)) {
- GstBuffer *new_buf = gst_buffer_copy (*buf);
-
- gst_buffer_unref (*buf);
- *buf = new_buf;
- GST_BUFFER_FLAG_UNSET (*buf, GST_BUFFER_FLAG_READONLY);
- GST_BUFFER_SIZE (*buf) += injected_bytes + prepend_size - striped_bytes;
- }
- }
-
- data = GST_BUFFER_DATA (*buf);
-
- injected_bytes = 0;
- striped_so_far = 0;
- j = 0;
- for (i = 0; i < inject_len; ++i) {
- int res;
-
- while (j < strip_len) {
- if (strip[j].offset_orig < inject[i].offset_orig)
- striped_so_far += bsize_strip[j++];
- else
- break;
- }
-
- if (inject[i].offset_orig >= offset_orig) {
- if (inject[i].offset_orig <
- offset_orig + size_buf_in + striped_bytes - injected_bytes) {
- /* insert */
- guint32 buf_off =
- inject[i].offset_orig - offset_orig - striped_so_far +
- injected_bytes;
- memmove (data + buf_off + inject[i].size, data + buf_off,
- size_buf_in - buf_off);
- memcpy (data + buf_off, inject[i].data, inject[i].size);
- injected_bytes += inject[i].size;
- size_buf_in += inject[i].size;
- } else {
- /* segment is after size (segments are sorted) */
- break;
- }
- }
- }
-
- }
-
-
-done:
-
- if (prepend_size) {
- if (injected_bytes == 0 && striped_bytes == 0) {
- GstBuffer *new_buf =
- gst_buffer_new_and_alloc (size_buf_in + prepend_size);
-
- memcpy (GST_BUFFER_DATA (new_buf) + prepend_size, GST_BUFFER_DATA (*buf),
- size_buf_in);
-
- gst_buffer_unref (*buf);
- *buf = new_buf;
- } else {
- memmove (GST_BUFFER_DATA (*buf) + prepend_size, GST_BUFFER_DATA (*buf),
- size_buf_in);
- }
- memcpy (GST_BUFFER_DATA (*buf), GST_BUFFER_DATA (*prepend), prepend_size);
- gst_buffer_unref (*prepend);
- *prepend = NULL;
- }
-
- GST_BUFFER_SIZE (*buf) = size_buf_in + prepend_size;
-
- if (need_free_strip) {
- g_free (boffset_strip);
- g_free (bsize_strip);
- g_free (seg_binter_strip);
- }
-
- return injected_bytes || striped_bytes;
-
-}
-
-/*
- * pos - position in stream striped
- * orig_pos - position in original stream
- * return TRUE - position in original buffer
- * FALSE - position in inserted chunk
- */
-gboolean
-gst_metadata_common_translate_pos_to_orig (GstMetadataCommon * common,
- gint64 pos, gint64 * orig_pos, GstBuffer ** buf)
-{
- MetadataChunk *strip = common->metadata.strip_chunks.chunk;
- MetadataChunk *inject = common->metadata.inject_chunks.chunk;
- const gsize strip_len = common->metadata.strip_chunks.len;
- const gsize inject_len = common->metadata.inject_chunks.len;
- const gint64 duration_orig = common->duration_orig;
- const gint64 duration = common->duration;
-
- int i;
- gboolean ret = TRUE;
- guint64 new_buf_size = 0;
- guint64 injected_before = 0;
-
- if (G_UNLIKELY (pos == -1)) {
- *orig_pos = -1;
- return TRUE;
- } else if (G_UNLIKELY (pos >= duration)) {
- /* this should never happen */
- *orig_pos = duration_orig;
- return TRUE;
- }
-
- /* calculate for injected */
-
- /* just calculate size */
- *orig_pos = pos; /* save pos */
- for (i = 0; i < inject_len; ++i) {
- /* check if pos in inside chunk */
- if (inject[i].offset <= pos) {
- if (pos < inject[i].offset + inject[i].size) {
- /* orig pos points after insert chunk */
- new_buf_size += inject[i].size;
- /* put pos after current chunk */
- pos = inject[i].offset + inject[i].size;
- ret = FALSE;
- } else {
- /* in case pos is not inside a injected chunk */
- injected_before += inject[i].size;
- }
- } else {
- break;
- }
- }
-
- /* alloc buffer and calcute original pos */
- if (buf && ret == FALSE) {
- guint8 *data;
-
- if (*buf)
- gst_buffer_unref (*buf);
- *buf = gst_buffer_new_and_alloc (new_buf_size);
- data = GST_BUFFER_DATA (*buf);
- pos = *orig_pos; /* recover saved pos */
- for (i = 0; i < inject_len; ++i) {
- if (inject[i].offset > pos) {
- break;
- }
- if (inject[i].offset <= pos && pos < inject[i].offset + inject[i].size) {
- memcpy (data, inject[i].data, inject[i].size);
- data += inject[i].size;
- pos = inject[i].offset + inject[i].size;
- /* out position after insert chunk orig */
- *orig_pos = inject[i].offset_orig + inject[i].size;
- }
- }
- }
-
- if (ret == FALSE) {
- /* if it inside a injected is already done */
- goto done;
- }
-
- /* calculate for striped */
-
- *orig_pos = pos - injected_before;
- for (i = 0; i < strip_len; ++i) {
- if (strip[i].offset_orig > pos) {
- break;
- }
- *orig_pos += strip[i].size;
- }
-
-done:
-
- if (G_UNLIKELY (*orig_pos >= duration_orig)) {
- *orig_pos = duration_orig - 1;
- }
-
- return ret;
-
-}
-
-/*
- * return:
- * -1 -> error
- * 0 -> succeded
- * 1 -> need more data
- */
-
-gboolean
-gst_metadata_common_calculate_offsets (GstMetadataCommon * common)
-{
- int i, j;
- guint32 append_size;
- guint32 bytes_striped, bytes_inject;
- MetadataChunk *strip = common->metadata.strip_chunks.chunk;
- MetadataChunk *inject = common->metadata.inject_chunks.chunk;
- gsize strip_len;
- gsize inject_len;
-
- if (common->state != MT_STATE_PARSED)
- return FALSE;
-
- metadata_lazy_update (&common->metadata);
-
- strip_len = common->metadata.strip_chunks.len;
- inject_len = common->metadata.inject_chunks.len;
-
- bytes_striped = 0;
- bytes_inject = 0;
-
- /* calculate the new position off injected chunks */
- j = 0;
- for (i = 0; i < inject_len; ++i) {
- for (; j < strip_len; ++j) {
- if (strip[j].offset_orig >= inject[i].offset_orig) {
- break;
- }
- bytes_striped += strip[j].size;
- }
- inject[i].offset = inject[i].offset_orig - bytes_striped + bytes_inject;
- bytes_inject += inject[i].size;
- }
-
- /* calculate append (doesnt make much sense, but, anyway..) */
- append_size = 0;
- for (i = inject_len - 1; i >= 0; --i) {
- if (inject[i].offset_orig == common->duration_orig)
- append_size += inject[i].size;
- else
- break;
- }
- if (append_size) {
- guint8 *data;
-
- common->append_buffer = gst_buffer_new_and_alloc (append_size);
- GST_BUFFER_FLAG_SET (common->append_buffer, GST_BUFFER_FLAG_READONLY);
- data = GST_BUFFER_DATA (common->append_buffer);
- for (i = inject_len - 1; i >= 0; --i) {
- if (inject[i].offset_orig == common->duration_orig) {
- memcpy (data, inject[i].data, inject[i].size);
- data += inject[i].size;
- } else {
- break;
- }
- }
- }
-
- if (common->duration_orig) {
- common->duration = common->duration_orig;
- for (i = 0; i < inject_len; ++i) {
- common->duration += inject[i].size;
- }
- for (i = 0; i < strip_len; ++i) {
- common->duration -= strip[i].size;
- }
- }
-
- return TRUE;
-
-}
-
-void
-gst_metadata_common_update_segment_with_new_buffer (GstMetadataCommon * common,
- guint8 ** buf, guint32 * size, MetadataChunkType type)
-{
- int i;
- MetadataChunk *inject = common->metadata.inject_chunks.chunk;
- const gsize inject_len = common->metadata.inject_chunks.len;
-
- if (!(buf && size))
- goto done;
- if (*buf == 0)
- goto done;
- if (*size == 0)
- goto done;
-
- for (i = 0; i < inject_len; ++i) {
- if (inject[i].type == type) {
- inject[i].size = *size;
- if (inject[i].data)
- g_free (inject[i].data);
- inject[i].data = *buf;
- *size = 0;
- *buf = 0;
- break;
- }
- }
-
-done:
-
- return;
-
-}
-
-const gchar *
-gst_metadata_common_get_type_name (int img_type)
-{
- gchar *type_name = NULL;
-
- switch (img_type) {
- case IMG_JPEG:
- type_name = "jpeg";
- break;
- case IMG_PNG:
- type_name = "png";
- break;
- default:
- type_name = "invalid type";
- break;
- }
- return type_name;
-}