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-rw-r--r--ext/schroedinger/gstschroutils.c224
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diff --git a/ext/schroedinger/gstschroutils.c b/ext/schroedinger/gstschroutils.c
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index 87555f088..000000000
--- a/ext/schroedinger/gstschroutils.c
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-/* Schrodinger
- * Copyright (C) 2008 David Schleef <ds@schleef.org>
- *
- * 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., 51 Franklin St, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include <math.h>
-#include "gstschroutils.h"
-
-//#define SCHRO_ENABLE_UNSTABLE_API
-
-#include <gst/gst.h>
-#include <gst/video/video.h>
-#include <schroedinger/schro.h>
-#include <schroedinger/schrobitstream.h>
-#include <schroedinger/schrovirtframe.h>
-#include <string.h>
-
-GST_DEBUG_CATEGORY_EXTERN (schro_debug);
-#define GST_CAT_DEFAULT schro_debug
-
-typedef struct
-{
- GstVideoFrame frame;
-} FrameData;
-
-
-static void
-gst_schro_frame_free (SchroFrame * frame, void *priv)
-{
- FrameData *data = priv;
-
- gst_video_frame_unmap (&data->frame);
-
- g_slice_free (FrameData, data);
-}
-
-GstBuffer *
-gst_schro_frame_get_buffer (SchroFrame * frame)
-{
- if (frame->priv)
- return gst_buffer_ref (((FrameData *) frame->priv)->frame.buffer);
-
- return NULL;
-}
-
-SchroFrame *
-gst_schro_buffer_wrap (GstBuffer * buf, gboolean write, GstVideoInfo * vinfo)
-{
- SchroFrame *frame;
- GstVideoFrame vframe;
- FrameData *data;
- gint i;
-
- if (!gst_video_frame_map (&vframe, vinfo, buf,
- (write ? GST_MAP_READWRITE : GST_MAP_READ)))
- return NULL;
-
- frame = schro_frame_new ();
-
- frame->width = GST_VIDEO_FRAME_WIDTH (&vframe);
- frame->height = GST_VIDEO_FRAME_HEIGHT (&vframe);
-
- switch (GST_VIDEO_FRAME_FORMAT (&vframe)) {
- case GST_VIDEO_FORMAT_I420:
- case GST_VIDEO_FORMAT_YV12:
- frame->format = SCHRO_FRAME_FORMAT_U8_420;
- break;
- case GST_VIDEO_FORMAT_YUY2:
- frame->format = SCHRO_FRAME_FORMAT_YUYV;
- break;
- case GST_VIDEO_FORMAT_UYVY:
- frame->format = SCHRO_FRAME_FORMAT_UYVY;
- break;
- case GST_VIDEO_FORMAT_AYUV:
- frame->format = SCHRO_FRAME_FORMAT_AYUV;
- break;
-#if SCHRO_CHECK_VERSION(1,0,12)
- case GST_VIDEO_FORMAT_ARGB:
- frame->format = SCHRO_FRAME_FORMAT_ARGB;
- break;
-#endif
-#if SCHRO_CHECK_VERSION(1,0,11)
- case GST_VIDEO_FORMAT_Y42B:
- frame->format = SCHRO_FRAME_FORMAT_U8_422;
- break;
- case GST_VIDEO_FORMAT_Y444:
- frame->format = SCHRO_FRAME_FORMAT_U8_444;
- break;
- case GST_VIDEO_FORMAT_v210:
- frame->format = SCHRO_FRAME_FORMAT_v210;
- break;
- case GST_VIDEO_FORMAT_v216:
- frame->format = SCHRO_FRAME_FORMAT_v216;
- break;
- case GST_VIDEO_FORMAT_AYUV64:
- frame->format = SCHRO_FRAME_FORMAT_AY64;
- break;
-#endif
- default:
- g_assert_not_reached ();
- return NULL;
- }
-
- if (SCHRO_FRAME_IS_PACKED (frame->format)) {
- frame->components[0].format = frame->format;
- frame->components[0].width = frame->width;
- frame->components[0].height = frame->height;
- frame->components[0].stride = GST_VIDEO_FRAME_COMP_STRIDE (&vframe, 0);
- frame->components[0].length = frame->components[0].stride * frame->height;
- frame->components[0].data = vframe.data[0];
- frame->components[0].v_shift = 0;
- frame->components[0].h_shift = 0;
- } else {
- for (i = 0; i < GST_VIDEO_FRAME_N_COMPONENTS (&vframe); i++) {
- frame->components[i].format = frame->format;
- frame->components[i].width = GST_VIDEO_FRAME_COMP_WIDTH (&vframe, i);
- frame->components[i].height = GST_VIDEO_FRAME_COMP_HEIGHT (&vframe, i);
- frame->components[i].stride = GST_VIDEO_FRAME_COMP_STRIDE (&vframe, i);
- frame->components[i].length =
- frame->components[i].stride * frame->components[i].height;
- frame->components[i].data = GST_VIDEO_FRAME_COMP_DATA (&vframe, i);
- if (i == 0) {
- frame->components[i].v_shift = 0;
- frame->components[i].h_shift = 0;
- } else {
- frame->components[i].v_shift =
- SCHRO_FRAME_FORMAT_H_SHIFT (frame->format);
- frame->components[i].h_shift =
- SCHRO_FRAME_FORMAT_H_SHIFT (frame->format);
- }
- }
- }
-
- data = g_slice_new0 (FrameData);
- data->frame = vframe;
- schro_frame_set_free_callback (frame, gst_schro_frame_free, data);
-
- return frame;
-}
-
-static void
-schro_buf_free_func (gpointer priv)
-{
- SchroBuffer *buffer = (SchroBuffer *) priv;
-
- schro_buffer_unref (buffer);
-}
-
-/* takes the reference */
-GstBuffer *
-gst_schro_wrap_schro_buffer (SchroBuffer * buffer)
-{
- GstMemory *mem;
- GstBuffer *buf;
-
- mem =
- gst_memory_new_wrapped (0, buffer->data, buffer->length, 0,
- buffer->length, buffer, schro_buf_free_func);
- buf = gst_buffer_new ();
- gst_buffer_append_memory (buf, mem);
-
- return buf;
-}
-
-typedef struct
-{
- GstMemory *mem;
- GstMapInfo info;
-} BufferData;
-
-static void
-gst_schro_buffer_free (SchroBuffer * buffer, void *priv)
-{
- BufferData *data = priv;
-
- gst_memory_unmap (data->mem, &data->info);
- gst_memory_unref (data->mem);
- g_slice_free (BufferData, priv);
-}
-
-SchroBuffer *
-gst_schro_wrap_gst_buffer (GstBuffer * buffer)
-{
- SchroBuffer *schrobuf;
- GstMemory *mem;
- GstMapInfo info;
- BufferData *data;
-
- mem = gst_buffer_get_all_memory (buffer);
- if (!gst_memory_map (mem, &info, GST_MAP_READ)) {
- GST_ERROR ("Couldn't get readable memory from gstbuffer");
- return NULL;
- }
-
- /* FIXME : We can't control if data won't be read/write outside
- * of schro ... */
- data = g_slice_new0 (BufferData);
- data->info = info;
- data->mem = mem;
-
- schrobuf = schro_buffer_new_with_data (info.data, info.size);
- schrobuf->free = gst_schro_buffer_free;
- schrobuf->priv = data;
-
- return schrobuf;
-}