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-rw-r--r--gst/real/gstrealvideodec.c136
-rw-r--r--gst/real/gstrealvideodec.h20
2 files changed, 80 insertions, 76 deletions
diff --git a/gst/real/gstrealvideodec.c b/gst/real/gstrealvideodec.c
index 3dfab829..78d6f9e9 100644
--- a/gst/real/gstrealvideodec.c
+++ b/gst/real/gstrealvideodec.c
@@ -69,8 +69,9 @@ enum
GST_BOILERPLATE (GstRealVideoDec, gst_real_video_dec, GstElement,
GST_TYPE_ELEMENT);
-static gboolean open_library (GstRealVideoDec * dec);
-static void close_library (GstRealVideoDec * dec);
+static gboolean open_library (GstRealVideoDec * dec,
+ GstRealVideoDecHooks * hooks, GstRealVideoDecVersion version);
+static void close_library (GstRealVideoDecHooks hooks);
typedef struct
{
@@ -352,9 +353,9 @@ gst_real_video_dec_decode (GstRealVideoDec * dec, GstBuffer * in, guint offset)
tin.timestamp = GST_BUFFER_TIMESTAMP (out);
data = gst_adapter_take (dec->adapter, dec->length);
- result = dec->transform (
+ result = dec->hooks.transform (
(gchar *) data,
- (gchar *) GST_BUFFER_DATA (out), &tin, &tout, dec->context);
+ (gchar *) GST_BUFFER_DATA (out), &tin, &tout, dec->hooks.context);
g_free (data);
if (result)
@@ -489,36 +490,37 @@ gst_real_video_dec_setcaps (GstPad * pad, GstCaps * caps)
{
GstRealVideoDec *dec = GST_REAL_VIDEO_DEC (GST_PAD_PARENT (pad));
GstStructure *s = gst_caps_get_structure (caps, 0);
- gint version, res;
+ gint version, res, width, height, format, subformat;
+ gint framerate_num, framerate_denom;
gchar data[36];
gboolean bres;
const GValue *v;
+ GstRealVideoDecHooks hooks = { 0, 0, 0, 0, 0, 0 };
if (!gst_structure_get_int (s, "rmversion", &version) ||
- !gst_structure_get_int (s, "width", (gint *) & dec->width) ||
- !gst_structure_get_int (s, "height", (gint *) & dec->height) ||
- !gst_structure_get_int (s, "format", &dec->format) ||
- !gst_structure_get_int (s, "subformat", &dec->subformat) ||
- !gst_structure_get_fraction (s, "framerate", &dec->framerate_num,
- &dec->framerate_denom))
+ !gst_structure_get_int (s, "width", (gint *) & width) ||
+ !gst_structure_get_int (s, "height", (gint *) & height) ||
+ !gst_structure_get_int (s, "format", &format) ||
+ !gst_structure_get_int (s, "subformat", &subformat) ||
+ !gst_structure_get_fraction (s, "framerate", &framerate_num,
+ &framerate_denom))
goto missing_keys;
- dec->version = version;
GST_LOG_OBJECT (dec, "Setting version to %d", version);
- if (!open_library (dec))
+ if (!open_library (dec, &hooks, version))
return FALSE;
/* Initialize REAL driver. */
GST_WRITE_UINT16_LE (data + 0, 11);
- GST_WRITE_UINT16_LE (data + 2, dec->width);
- GST_WRITE_UINT16_LE (data + 4, dec->height);
+ GST_WRITE_UINT16_LE (data + 2, width);
+ GST_WRITE_UINT16_LE (data + 4, height);
GST_WRITE_UINT16_LE (data + 6, 0);
GST_WRITE_UINT32_LE (data + 8, 0);
- GST_WRITE_UINT32_LE (data + 12, dec->subformat);
+ GST_WRITE_UINT32_LE (data + 12, subformat);
GST_WRITE_UINT32_LE (data + 16, 0);
- GST_WRITE_UINT32_LE (data + 20, dec->format);
- res = dec->init (&data, &dec->context);
+ GST_WRITE_UINT32_LE (data + 20, format);
+ res = hooks.init (&data, &hooks.context);
if (res)
goto could_not_initialize;
@@ -544,16 +546,16 @@ gst_real_video_dec_setcaps (GstPad * pad, GstCaps * caps)
goto could_not_allocate;
msg.type = 0x24;
- msg.msg = 1 + ((dec->subformat >> 16) & 7);
+ msg.msg = 1 + ((subformat >> 16) & 7);
msg.data = msgdata;
for (i = 0; i < 6; i++)
msg.extra[i] = 0;
- msgdata[0] = dec->width;
- msgdata[1] = dec->height;
+ msgdata[0] = width;
+ msgdata[1] = height;
for (i = 0; i < GST_BUFFER_SIZE (buf); i++)
msgdata[i + 2] = 4 * GST_BUFFER_DATA (buf)[i];
- res = dec->custom_message (&msg, dec->context);
+ res = hooks.custom_message (&msg, hooks.context);
g_free (msgdata);
if (res)
@@ -562,13 +564,23 @@ gst_real_video_dec_setcaps (GstPad * pad, GstCaps * caps)
caps = gst_caps_new_simple ("video/x-raw-yuv",
"format", GST_TYPE_FOURCC, GST_MAKE_FOURCC ('I', '4', '2', '0'),
- "framerate", GST_TYPE_FRACTION, dec->framerate_num, dec->framerate_denom,
- "width", G_TYPE_INT, dec->width, "height", G_TYPE_INT, dec->height, NULL);
+ "framerate", GST_TYPE_FRACTION, framerate_num, framerate_denom,
+ "width", G_TYPE_INT, width, "height", G_TYPE_INT, height, NULL);
bres = gst_pad_set_caps (GST_PAD (dec->src), caps);
gst_caps_unref (caps);
if (!bres)
goto could_not_set_caps;
+ close_library (dec->hooks);
+ dec->hooks = hooks;
+ dec->version = version;
+ dec->width = width;
+ dec->height = height;
+ dec->format = format;
+ dec->subformat = subformat;
+ dec->framerate_num = framerate_num;
+ dec->framerate_denom = framerate_denom;
+
return TRUE;
missing_keys:
@@ -579,24 +591,21 @@ missing_keys:
could_not_initialize:
{
- dlclose (dec->handle);
- dec->handle = NULL;
+ close_library (hooks);
GST_DEBUG_OBJECT (dec, "Initialization of REAL driver failed (%i).", res);
return FALSE;
}
could_not_allocate:
{
- dlclose (dec->handle);
- dec->handle = NULL;
+ close_library (hooks);
GST_DEBUG_OBJECT (dec, "Could not allocate memory.");
return FALSE;
}
could_not_send_message:
{
- dlclose (dec->handle);
- dec->handle = NULL;
+ close_library (hooks);
GST_DEBUG_OBJECT (dec, "Failed to send custom message needed for "
"initialization (%i).", res);
return FALSE;
@@ -604,8 +613,7 @@ could_not_send_message:
could_not_set_caps:
{
- dlclose (dec->handle);
- dec->handle = NULL;
+ close_library (hooks);
GST_DEBUG_OBJECT (dec, "Could not convince peer to accept dimensions "
"%i x %i.", dec->width, dec->height);
return FALSE;
@@ -615,20 +623,20 @@ could_not_set_caps:
/* Attempts to open the correct library for the configured version */
static gboolean
-open_library (GstRealVideoDec * dec)
+open_library (GstRealVideoDec * dec, GstRealVideoDecHooks * hooks,
+ GstRealVideoDecVersion version)
{
gchar *path = NULL;
GST_DEBUG_OBJECT (dec,
- "Attempting to open shared library for real video version %d",
- dec->version);
+ "Attempting to open shared library for real video version %d", version);
/* FIXME : Search for the correct library in various places if dec->path_rv20
* isn't set explicitely !
* Library names can also be different (ex : drv30.so vs drvc.so)
*/
- switch (dec->version) {
+ switch (version) {
case GST_REAL_VIDEO_DEC_VERSION_2:
{
if (dec->path_rv20)
@@ -669,27 +677,26 @@ open_library (GstRealVideoDec * dec)
goto unknown_version;
}
- /* First close any open library */
- close_library (dec);
-
- dec->handle = dlopen (path, RTLD_LAZY);
- if (!dec->handle)
+ hooks->handle = dlopen (path, RTLD_LAZY);
+ if (!hooks->handle)
goto could_not_open;
/* First try opening legacy symbols */
- dec->custom_message = dlsym (dec->handle, "RV20toYUV420CustomMessage");
- dec->free = dlsym (dec->handle, "RV20toYUV420Free");
- dec->init = dlsym (dec->handle, "RV20toYUV420Init");
- dec->transform = dlsym (dec->handle, "RV20toYUV420Transform");
+ hooks->custom_message = dlsym (hooks->handle, "RV20toYUV420CustomMessage");
+ hooks->free = dlsym (hooks->handle, "RV20toYUV420Free");
+ hooks->init = dlsym (hooks->handle, "RV20toYUV420Init");
+ hooks->transform = dlsym (hooks->handle, "RV20toYUV420Transform");
- if (!(dec->custom_message && dec->free && dec->init && dec->transform)) {
+ if (!(hooks->custom_message && hooks->free && hooks->init
+ && hooks->transform)) {
/* Else try loading new symbols */
- dec->custom_message = dlsym (dec->handle, "RV40toYUV420CustomMessage");
- dec->free = dlsym (dec->handle, "RV40toYUV420Free");
- dec->init = dlsym (dec->handle, "RV40toYUV420Init");
- dec->transform = dlsym (dec->handle, "RV40toYUV420Transform");
+ hooks->custom_message = dlsym (hooks->handle, "RV40toYUV420CustomMessage");
+ hooks->free = dlsym (hooks->handle, "RV40toYUV420Free");
+ hooks->init = dlsym (hooks->handle, "RV40toYUV420Init");
+ hooks->transform = dlsym (hooks->handle, "RV40toYUV420Transform");
- if (!(dec->custom_message && dec->free && dec->init && dec->transform))
+ if (!(hooks->custom_message && hooks->free && hooks->init
+ && hooks->transform))
goto could_not_load;
}
@@ -699,13 +706,13 @@ no_known_libraries:
{
GST_ELEMENT_ERROR (dec, LIBRARY, INIT,
("Couldn't find a realvideo shared library for version %d",
- dec->version), (NULL));
+ version), (NULL));
return FALSE;
}
unknown_version:
{
- GST_ERROR_OBJECT (dec, "Cannot handle version %i.", dec->version);
+ GST_ERROR_OBJECT (dec, "Cannot handle version %i.", version);
return FALSE;
}
@@ -717,28 +724,20 @@ could_not_open:
could_not_load:
{
- close_library (dec);
+ close_library (*hooks);
GST_ERROR_OBJECT (dec, "Could not load all symbols.");
return FALSE;
}
}
static void
-close_library (GstRealVideoDec * dec)
+close_library (GstRealVideoDecHooks hooks)
{
- if (dec->context && dec->free) {
- dec->free (dec->context);
- dec->context = NULL;
- }
-
- dec->custom_message = NULL;
- dec->free = NULL;
- dec->init = NULL;
- dec->transform = NULL;
+ if (hooks.context && hooks.free)
+ hooks.free (hooks.context);
- if (dec->handle)
- dlclose (dec->handle);
- dec->handle = NULL;
+ if (hooks.handle)
+ dlclose (hooks.handle);
}
static void
@@ -779,7 +778,8 @@ gst_real_video_dec_finalize (GObject * object)
dec->adapter = NULL;
}
- close_library (dec);
+ close_library (dec->hooks);
+ memset (&dec->hooks, 0, sizeof (dec->hooks));
if (dec->path_rv20) {
g_free (dec->path_rv20);
diff --git a/gst/real/gstrealvideodec.h b/gst/real/gstrealvideodec.h
index d4251223..e7fbbd93 100644
--- a/gst/real/gstrealvideodec.h
+++ b/gst/real/gstrealvideodec.h
@@ -42,6 +42,17 @@ enum _GstRealVideoDecVersion
GST_REAL_VIDEO_DEC_VERSION_4 = 4
};
+typedef struct {
+ gpointer handle;
+
+ guint32 (*custom_message) (gpointer, gpointer);
+ guint32 (*free) (gpointer);
+ guint32 (*init) (gpointer, gpointer);
+ guint32 (*transform) (gchar *, gchar *, gpointer, gpointer, gpointer);
+
+ gpointer context;
+} GstRealVideoDecHooks;
+
struct _GstRealVideoDec
{
GstElement parent;
@@ -59,14 +70,7 @@ struct _GstRealVideoDec
guint16 next_seq, last_seq;
/* Hooks */
- gpointer handle;
- guint32 (*custom_message) (gpointer, gpointer);
- guint32 (*free) (gpointer);
- guint32 (*init) (gpointer, gpointer);
- guint32 (*transform) (gchar *, gchar *, gpointer, gpointer, gpointer);
-
- /* Used by the REAL library. */
- gpointer context;
+ GstRealVideoDecHooks hooks;
/* State */
GstAdapter *adapter;
generated by cgit v1.2.1 (git 2.18.0) at 2024-12-28 14:14:09 +0000