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gstreamer/omx/gstomx.c
Sebastian Dröge 9dcaf5c2bb omx: Don't hold any locks while calling OMX_SendCommand() 
It might call into one of the callbacks and lead to deadlocks, e.g.
with the Qualcomm OMX implementation.
2011-08-10 09:49:57 +02:00

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/*
* Copyright (C) 2011, Hewlett-Packard Development Company, L.P.
* Author: Sebastian Dröge <sebastian.droege@collabora.co.uk>, Collabora Ltd.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation
* version 2.1 of the License.
*
* 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <gst/gst.h>
#include <string.h>
#include "gstomx.h"
#include "gstomxmpeg4videodec.h"
#include "gstomxh264dec.h"
#include "gstomxh263dec.h"
#include "gstomxwmvdec.h"
#include "gstomxmpeg4videoenc.h"
#include "gstomxh264enc.h"
#include "gstomxh263enc.h"
GST_DEBUG_CATEGORY (gstomx_debug);
#define GST_CAT_DEFAULT gstomx_debug
G_LOCK_DEFINE_STATIC (core_handles);
static GHashTable *core_handles;
GstOMXCore *
gst_omx_core_acquire (const gchar * filename)
{
GstOMXCore *core;
G_LOCK (core_handles);
if (!core_handles)
core_handles =
g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
core = g_hash_table_lookup (core_handles, filename);
if (!core) {
core = g_slice_new0 (GstOMXCore);
core->lock = g_mutex_new ();
core->user_count = 0;
g_hash_table_insert (core_handles, g_strdup (filename), core);
core->module = g_module_open (filename, G_MODULE_BIND_LAZY);
if (!core->module)
goto load_failed;
if (!g_module_symbol (core->module, "OMX_Init", (gpointer *) & core->init))
goto symbol_error;
if (!g_module_symbol (core->module, "OMX_Deinit",
(gpointer *) & core->deinit))
goto symbol_error;
if (!g_module_symbol (core->module, "OMX_GetHandle",
(gpointer *) & core->get_handle))
goto symbol_error;
if (!g_module_symbol (core->module, "OMX_FreeHandle",
(gpointer *) & core->free_handle))
goto symbol_error;
GST_DEBUG ("Successfully loaded core '%s'", filename);
}
g_mutex_lock (core->lock);
core->user_count++;
if (core->user_count == 1) {
OMX_ERRORTYPE err;
err = core->init ();
if (err != OMX_ErrorNone) {
GST_ERROR ("Failed to initialize core '%s': 0x%08x", filename, err);
g_mutex_unlock (core->lock);
goto error;
}
GST_DEBUG ("Successfully initialized core '%s'", filename);
}
g_mutex_unlock (core->lock);
G_UNLOCK (core_handles);
return core;
load_failed:
{
GST_ERROR ("Failed to load module '%s': %s", filename, g_module_error ());
goto error;
}
symbol_error:
{
GST_ERROR ("Failed to locate required OpenMAX symbol in '%s': %s", filename,
g_module_error ());
g_module_close (core->module);
core->module = NULL;
goto error;
}
error:
{
g_hash_table_remove (core_handles, filename);
g_mutex_free (core->lock);
g_slice_free (GstOMXCore, core);
G_UNLOCK (core_handles);
return NULL;
}
}
void
gst_omx_core_release (GstOMXCore * core)
{
g_return_if_fail (core != NULL);
G_LOCK (core_handles);
g_mutex_lock (core->lock);
GST_DEBUG ("Releasing core %p", core);
core->user_count--;
if (core->user_count == 0) {
GST_DEBUG ("Deinit core %p", core);
core->deinit ();
}
g_mutex_unlock (core->lock);
G_UNLOCK (core_handles);
}
static OMX_ERRORTYPE
EventHandler (OMX_HANDLETYPE hComponent, OMX_PTR pAppData, OMX_EVENTTYPE eEvent,
OMX_U32 nData1, OMX_U32 nData2, OMX_PTR pEventData)
{
GstOMXComponent *comp = (GstOMXComponent *) pAppData;
switch (eEvent) {
case OMX_EventCmdComplete:
{
OMX_COMMANDTYPE cmd = (OMX_COMMANDTYPE) nData1;
GST_DEBUG_OBJECT (comp->parent, "Command %d complete", cmd);
switch (cmd) {
case OMX_CommandStateSet:{
/* Notify everything that waits for
* a state change to be finished */
GST_DEBUG_OBJECT (comp->parent, "State change to %d finished",
nData2);
g_mutex_lock (comp->state_lock);
comp->state = (OMX_STATETYPE) nData2;
if (comp->state == comp->pending_state)
comp->pending_state = OMX_StateInvalid;
g_cond_broadcast (comp->state_cond);
g_mutex_unlock (comp->state_lock);
break;
}
case OMX_CommandFlush:{
GstOMXPort *port = NULL;
OMX_U32 index = nData2;
port = gst_omx_component_get_port (comp, index);
if (!port)
break;
GST_DEBUG_OBJECT (comp->parent, "Port %u flushed", port->index);
/* Now notify gst_omx_port_set_flushing()
* that the port is really flushed now and
* we can continue
*/
g_mutex_lock (port->port_lock);
/* FIXME: If this is ever called when the port
* was not set to flushing something went
* wrong but it happens for some reason.
*/
if (port->flushing) {
port->flushed = TRUE;
g_cond_broadcast (port->port_cond);
} else {
GST_ERROR_OBJECT (comp->parent, "Port %u was not flushing",
port->index);
}
g_mutex_unlock (port->port_lock);
break;
}
case OMX_CommandPortEnable:
case OMX_CommandPortDisable:{
GstOMXPort *port = NULL;
OMX_U32 index = nData2;
port = gst_omx_component_get_port (comp, index);
if (!port)
break;
GST_DEBUG_OBJECT (comp->parent, "Port %u %s", port->index,
(cmd == OMX_CommandPortEnable ? "enabled" : "disabled"));
g_mutex_lock (port->port_lock);
port->enabled_changed = TRUE;
g_cond_broadcast (port->port_cond);
g_mutex_unlock (port->port_lock);
break;
}
default:
break;
}
break;
}
case OMX_EventError:
{
OMX_ERRORTYPE err = nData1;
if (err == OMX_ErrorNone)
break;
GST_ERROR_OBJECT (comp->parent, "Got error: %s (0x%08x)",
gst_omx_error_to_string (err), err);
/* Error events are always fatal */
gst_omx_component_set_last_error (comp, err);
break;
}
case OMX_EventPortSettingsChanged:
{
gint i, n;
guint32 port_index;
GList *outports = NULL, *l, *k;
if (!(comp->hacks &
GST_OMX_HACK_EVENT_PORT_SETTINGS_CHANGED_NDATA_PARAMETER_SWAP)) {
port_index = nData1;
} else {
port_index = nData2;
}
if (port_index == 0
&& (comp->hacks &
GST_OMX_HACK_EVENT_PORT_SETTINGS_CHANGED_PORT_0_TO_1))
port_index = 1;
GST_DEBUG_OBJECT (comp->parent, "Settings changed (port index: %d)",
port_index);
/* Now update the ports' states */
n = (comp->ports ? comp->ports->len : 0);
for (i = 0; i < n; i++) {
GstOMXPort *port = g_ptr_array_index (comp->ports, i);
g_mutex_lock (port->port_lock);
if (port_index == OMX_ALL || port_index == port->index) {
port->settings_cookie++;
if (port->port_def.eDir == OMX_DirOutput)
outports = g_list_prepend (outports, port);
g_cond_broadcast (port->port_cond);
}
g_mutex_unlock (port->port_lock);
}
g_mutex_lock (comp->state_lock);
for (k = outports; k; k = k->next) {
gboolean found = FALSE;
for (l = comp->pending_reconfigure_outports; l; l = l->next) {
if (l->data == k->data) {
found = TRUE;
break;
}
}
if (!found)
comp->pending_reconfigure_outports =
g_list_prepend (comp->pending_reconfigure_outports, k->data);
}
if (comp->pending_reconfigure_outports)
g_atomic_int_set (&comp->have_pending_reconfigure_outports, 1);
g_mutex_unlock (comp->state_lock);
g_list_free (outports);
break;
}
case OMX_EventPortFormatDetected:
case OMX_EventBufferFlag:
default:
break;
}
return OMX_ErrorNone;
}
static OMX_ERRORTYPE
EmptyBufferDone (OMX_HANDLETYPE hComponent, OMX_PTR pAppData,
OMX_BUFFERHEADERTYPE * pBuffer)
{
GstOMXBuffer *buf = pBuffer->pAppPrivate;
GstOMXPort *port;
GstOMXComponent *comp;
if (buf == NULL) {
GST_ERROR ("Have unknown or deallocated buffer %p", pBuffer);
return OMX_ErrorNone;
}
port = buf->port;
comp = port->comp;
g_assert (buf->omx_buf == pBuffer);
/* Input buffer is empty again and can
* be used to contain new input */
g_mutex_lock (port->port_lock);
GST_DEBUG_OBJECT (comp->parent, "Port %u emptied buffer %p",
port->index, buf);
buf->used = FALSE;
g_queue_push_tail (port->pending_buffers, buf);
g_cond_broadcast (port->port_cond);
g_mutex_unlock (port->port_lock);
return OMX_ErrorNone;
}
static OMX_ERRORTYPE
FillBufferDone (OMX_HANDLETYPE hComponent, OMX_PTR pAppData,
OMX_BUFFERHEADERTYPE * pBuffer)
{
GstOMXBuffer *buf = pBuffer->pAppPrivate;
GstOMXPort *port;
GstOMXComponent *comp;
if (buf == NULL) {
GST_ERROR ("Have unknown or deallocated buffer %p", pBuffer);
return OMX_ErrorNone;
}
port = buf->port;
comp = port->comp;
g_assert (buf->omx_buf == pBuffer);
/* Output buffer contains output now or
* the port was flushed */
g_mutex_lock (port->port_lock);
GST_DEBUG_OBJECT (comp->parent, "Port %u filled buffer %p", port->index, buf);
buf->used = FALSE;
g_queue_push_tail (port->pending_buffers, buf);
g_cond_broadcast (port->port_cond);
g_mutex_unlock (port->port_lock);
return OMX_ErrorNone;
}
static OMX_CALLBACKTYPE callbacks =
{ EventHandler, EmptyBufferDone, FillBufferDone };
GstOMXComponent *
gst_omx_component_new (GstObject * parent, const gchar * core_name,
const gchar * component_name, const gchar * component_role, guint64 hacks)
{
OMX_ERRORTYPE err;
GstOMXCore *core;
GstOMXComponent *comp;
core = gst_omx_core_acquire (core_name);
if (!core)
return NULL;
comp = g_slice_new0 (GstOMXComponent);
comp->core = core;
err =
core->get_handle (&comp->handle, (OMX_STRING) component_name, comp,
&callbacks);
if (err != OMX_ErrorNone) {
GST_ERROR_OBJECT (parent,
"Failed to get component handle '%s' from core '%s': 0x%08x",
component_name, core_name, err);
gst_omx_core_release (core);
g_slice_free (GstOMXComponent, comp);
return NULL;
}
GST_DEBUG_OBJECT (parent,
"Successfully got component handle %p (%s) from core '%s'", comp->handle,
component_name, core_name);
comp->parent = gst_object_ref (parent);
comp->hacks = hacks;
comp->ports = g_ptr_array_new ();
comp->n_in_ports = 0;
comp->n_out_ports = 0;
comp->state_lock = g_mutex_new ();
comp->state_cond = g_cond_new ();
comp->pending_state = OMX_StateInvalid;
comp->last_error = OMX_ErrorNone;
/* Set component role if any */
if (component_role) {
OMX_PARAM_COMPONENTROLETYPE param;
GST_OMX_INIT_STRUCT (&param);
g_strlcpy ((gchar *) param.cRole, component_role, sizeof (param.cRole));
err =
gst_omx_component_set_parameter (comp,
OMX_IndexParamStandardComponentRole, &param);
GST_DEBUG_OBJECT (parent, "Setting component role to '%s': %s (0x%08x)",
component_role, gst_omx_error_to_string (err), err);
/* If setting the role failed this component is unusable */
if (err != OMX_ErrorNone) {
gst_omx_component_free (comp);
return NULL;
}
}
OMX_GetState (comp->handle, &comp->state);
return comp;
}
void
gst_omx_component_free (GstOMXComponent * comp)
{
gint i, n;
g_return_if_fail (comp != NULL);
GST_DEBUG_OBJECT (comp->parent, "Unloading component %p", comp);
if (comp->ports) {
n = comp->ports->len;
for (i = 0; i < n; i++) {
GstOMXPort *port = g_ptr_array_index (comp->ports, i);
gst_omx_port_deallocate_buffers (port);
g_mutex_free (port->port_lock);
g_cond_free (port->port_cond);
g_queue_free (port->pending_buffers);
g_slice_free (GstOMXPort, port);
}
#if GLIB_CHECK_VERSION(2,22,0)
g_ptr_array_unref (comp->ports);
#else
g_ptr_array_free (comp->ports, TRUE);
#endif
comp->ports = NULL;
}
comp->core->free_handle (comp->handle);
gst_omx_core_release (comp->core);
g_cond_free (comp->state_cond);
g_mutex_free (comp->state_lock);
gst_object_unref (comp->parent);
g_slice_free (GstOMXComponent, comp);
}
OMX_ERRORTYPE
gst_omx_component_set_state (GstOMXComponent * comp, OMX_STATETYPE state)
{
OMX_STATETYPE old_state;
OMX_ERRORTYPE err = OMX_ErrorNone;
g_return_val_if_fail (comp != NULL, OMX_ErrorUndefined);
g_mutex_lock (comp->state_lock);
old_state = comp->state;
GST_DEBUG_OBJECT (comp->parent, "Setting state from %d to %d", old_state,
state);
if ((err = comp->last_error) != OMX_ErrorNone && state > old_state) {
GST_ERROR_OBJECT (comp->parent, "Component in error state: %s (0x%08x)",
gst_omx_error_to_string (err), err);
goto done;
}
if (old_state == state || comp->pending_state == state) {
GST_DEBUG_OBJECT (comp->parent, "Component already in state %d", state);
goto done;
}
comp->pending_state = state;
/* Reset some things */
if (old_state == OMX_StateExecuting && state < old_state) {
g_atomic_int_set (&comp->have_pending_reconfigure_outports, 0);
g_list_free (comp->pending_reconfigure_outports);
comp->pending_reconfigure_outports = NULL;
/* Notify all inports that are still waiting */
g_cond_broadcast (comp->state_cond);
}
/* Release lock because the command could call into the callbacks,
* which take the lock again */
g_mutex_unlock (comp->state_lock);
err = OMX_SendCommand (comp->handle, OMX_CommandStateSet, state, NULL);
g_mutex_lock (comp->state_lock);
/* No need to check if anything has changed here */
done:
g_mutex_unlock (comp->state_lock);
if (err != OMX_ErrorNone) {
GST_ERROR_OBJECT (comp->parent,
"Error setting state from %d to %d: %s (0x%08x)", old_state, state,
gst_omx_error_to_string (err), err);
gst_omx_component_set_last_error (comp, err);
}
return err;
}
OMX_STATETYPE
gst_omx_component_get_state (GstOMXComponent * comp, GstClockTime timeout)
{
OMX_STATETYPE ret;
GTimeVal *timeval, abstimeout;
gboolean signalled = TRUE;
g_return_val_if_fail (comp != NULL, OMX_StateInvalid);
GST_DEBUG_OBJECT (comp->parent, "Getting state");
g_mutex_lock (comp->state_lock);
ret = comp->state;
if (comp->pending_state == OMX_StateInvalid)
goto done;
if (comp->last_error != OMX_ErrorNone) {
GST_ERROR_OBJECT (comp->parent, "Component in error state: %s (0x%08x)",
gst_omx_error_to_string (comp->last_error), comp->last_error);
ret = OMX_StateInvalid;
goto done;
}
if (timeout != GST_CLOCK_TIME_NONE) {
glong add = timeout / (GST_SECOND / G_USEC_PER_SEC);
if (add == 0)
goto done;
g_get_current_time (&abstimeout);
g_time_val_add (&abstimeout, add);
timeval = &abstimeout;
GST_DEBUG_OBJECT (comp->parent, "Waiting for %ld us", add);
} else {
timeval = NULL;
GST_DEBUG_OBJECT (comp->parent, "Waiting for signal");
}
do {
signalled = g_cond_timed_wait (comp->state_cond, comp->state_lock, timeval);
} while (signalled && comp->last_error == OMX_ErrorNone
&& comp->pending_state != OMX_StateInvalid);
if (signalled) {
if (comp->last_error != OMX_ErrorNone) {
GST_ERROR_OBJECT (comp->parent,
"Got error while waiting for state change: %s (0x%08x)",
gst_omx_error_to_string (comp->last_error), comp->last_error);
ret = OMX_StateInvalid;
} else if (comp->pending_state == OMX_StateInvalid) {
/* State change finished and everything's fine */
ret = comp->state;
} else {
ret = OMX_StateInvalid;
g_assert_not_reached ();
}
} else {
ret = OMX_StateInvalid;
GST_WARNING_OBJECT (comp->parent, "Timeout while waiting for state change");
}
done:
g_mutex_unlock (comp->state_lock);
/* If we waited and timed out this component is unusable now */
if (!signalled)
gst_omx_component_set_last_error (comp, OMX_ErrorTimeout);
GST_DEBUG_OBJECT (comp->parent, "Returning state %d", ret);
return ret;
}
GstOMXPort *
gst_omx_component_add_port (GstOMXComponent * comp, guint32 index)
{
gint i, n;
GstOMXPort *port;
OMX_PARAM_PORTDEFINITIONTYPE port_def;
OMX_ERRORTYPE err;
g_return_val_if_fail (comp != NULL, NULL);
/* Check if this port exists already */
n = comp->ports->len;
for (i = 0; i < n; i++) {
port = g_ptr_array_index (comp->ports, i);
g_return_val_if_fail (port->index != index, NULL);
}
GST_DEBUG_OBJECT (comp->parent, "Adding port %u", index);
GST_OMX_INIT_STRUCT (&port_def);
port_def.nPortIndex = index;
err = gst_omx_component_get_parameter (comp, OMX_IndexParamPortDefinition,
&port_def);
if (err != OMX_ErrorNone) {
GST_ERROR_OBJECT (comp->parent, "Failed to add port %u: %s (0x%08x)", index,
gst_omx_error_to_string (err), err);
return NULL;
}
port = g_slice_new0 (GstOMXPort);
port->comp = comp;
port->index = index;
port->port_def = port_def;
port->port_lock = g_mutex_new ();
port->port_cond = g_cond_new ();
port->pending_buffers = g_queue_new ();
port->flushing = TRUE;
port->flushed = FALSE;
port->settings_changed = FALSE;
port->enabled_changed = FALSE;
if (port->port_def.eDir == OMX_DirInput)
comp->n_in_ports++;
else
comp->n_out_ports++;
g_ptr_array_add (comp->ports, port);
return port;
}
GstOMXPort *
gst_omx_component_get_port (GstOMXComponent * comp, guint32 index)
{
gint i, n;
/* No need for locking here because the
* ports are all added directly after
* creating the component and are removed
* when the component is destroyed.
*/
n = comp->ports->len;
for (i = 0; i < n; i++) {
GstOMXPort *tmp = g_ptr_array_index (comp->ports, i);
if (tmp->index == index)
return tmp;
}
return NULL;
}
void
gst_omx_component_trigger_settings_changed (GstOMXComponent * comp,
guint32 port_index)
{
g_return_if_fail (comp != NULL);
/* Reverse hacks */
if (port_index == 1
&& (comp->hacks & GST_OMX_HACK_EVENT_PORT_SETTINGS_CHANGED_PORT_0_TO_1))
port_index = 0;
if (!(comp->hacks &
GST_OMX_HACK_EVENT_PORT_SETTINGS_CHANGED_NDATA_PARAMETER_SWAP)) {
EventHandler (comp->handle, comp, OMX_EventPortSettingsChanged, port_index,
0, NULL);
} else {
EventHandler (comp->handle, comp, OMX_EventPortSettingsChanged, 0,
port_index, NULL);
}
}
/* NOTE: This takes comp->state_lock *and* *all* port->port_lock! */
void
gst_omx_component_set_last_error (GstOMXComponent * comp, OMX_ERRORTYPE err)
{
gint i, n;
g_return_if_fail (comp != NULL);
if (err == OMX_ErrorNone)
return;
GST_ERROR_OBJECT (comp->parent, "Setting last error: %s (0x%08x)",
gst_omx_error_to_string (err), err);
g_mutex_lock (comp->state_lock);
/* We only set the first error ever from which
* we can't recover anymore.
*/
if (comp->last_error == OMX_ErrorNone)
comp->last_error = err;
g_cond_broadcast (comp->state_cond);
g_mutex_unlock (comp->state_lock);
/* Now notify all ports, no locking needed
* here because the ports are allocated in the
* very beginning and never change again until
* component destruction.
*/
n = (comp->ports ? comp->ports->len : 0);
for (i = 0; i < n; i++) {
GstOMXPort *tmp = g_ptr_array_index (comp->ports, i);
g_mutex_lock (tmp->port_lock);
g_cond_broadcast (tmp->port_cond);
g_mutex_unlock (tmp->port_lock);
}
}
OMX_ERRORTYPE
gst_omx_component_get_last_error (GstOMXComponent * comp)
{
OMX_ERRORTYPE err;
g_return_val_if_fail (comp != NULL, OMX_ErrorUndefined);
g_mutex_lock (comp->state_lock);
err = comp->last_error;
g_mutex_unlock (comp->state_lock);
GST_DEBUG_OBJECT (comp->parent, "Returning last error: %s (0x%08x)",
gst_omx_error_to_string (err), err);
return err;
}
const gchar *
gst_omx_component_get_last_error_string (GstOMXComponent * comp)
{
g_return_val_if_fail (comp != NULL, NULL);
return gst_omx_error_to_string (gst_omx_component_get_last_error (comp));
}
OMX_ERRORTYPE
gst_omx_component_get_parameter (GstOMXComponent * comp, OMX_INDEXTYPE index,
gpointer param)
{
OMX_ERRORTYPE err;
g_return_val_if_fail (comp != NULL, OMX_ErrorUndefined);
g_return_val_if_fail (param != NULL, OMX_ErrorUndefined);
GST_DEBUG_OBJECT (comp->parent, "Getting parameter at index 0x%08x", index);
err = OMX_GetParameter (comp->handle, index, param);
GST_DEBUG_OBJECT (comp->parent, "Got parameter at index 0x%08x: %s (0x%08x)",
index, gst_omx_error_to_string (err), err);
return err;
}
OMX_ERRORTYPE
gst_omx_component_set_parameter (GstOMXComponent * comp, OMX_INDEXTYPE index,
gpointer param)
{
OMX_ERRORTYPE err;
g_return_val_if_fail (comp != NULL, OMX_ErrorUndefined);
g_return_val_if_fail (param != NULL, OMX_ErrorUndefined);
GST_DEBUG_OBJECT (comp->parent, "Setting parameter at index 0x%08x", index);
err = OMX_SetParameter (comp->handle, index, param);
GST_DEBUG_OBJECT (comp->parent, "Set parameter at index 0x%08x: %s (0x%08x)",
index, gst_omx_error_to_string (err), err);
return err;
}
OMX_ERRORTYPE
gst_omx_component_get_config (GstOMXComponent * comp, OMX_INDEXTYPE index,
gpointer config)
{
OMX_ERRORTYPE err;
g_return_val_if_fail (comp != NULL, OMX_ErrorUndefined);
g_return_val_if_fail (config != NULL, OMX_ErrorUndefined);
GST_DEBUG_OBJECT (comp->parent, "Getting configuration at index 0x%08x",
index);
err = OMX_GetConfig (comp->handle, index, config);
GST_DEBUG_OBJECT (comp->parent, "Got parameter at index 0x%08x: %s (0x%08x)",
index, gst_omx_error_to_string (err), err);
return err;
}
OMX_ERRORTYPE
gst_omx_component_set_config (GstOMXComponent * comp, OMX_INDEXTYPE index,
gpointer config)
{
OMX_ERRORTYPE err;
g_return_val_if_fail (comp != NULL, OMX_ErrorUndefined);
g_return_val_if_fail (config != NULL, OMX_ErrorUndefined);
GST_DEBUG_OBJECT (comp->parent, "Setting configuration at index 0x%08x",
index);
err = OMX_SetConfig (comp->handle, index, config);
GST_DEBUG_OBJECT (comp->parent, "Set parameter at index 0x%08x: %s (0x%08x)",
index, gst_omx_error_to_string (err), err);
return err;
}
void
gst_omx_port_get_port_definition (GstOMXPort * port,
OMX_PARAM_PORTDEFINITIONTYPE * port_def)
{
GstOMXComponent *comp;
g_return_if_fail (port != NULL);
comp = port->comp;
GST_OMX_INIT_STRUCT (port_def);
port_def->nPortIndex = port->index;
gst_omx_component_get_parameter (comp, OMX_IndexParamPortDefinition,
port_def);
}
gboolean
gst_omx_port_update_port_definition (GstOMXPort * port,
OMX_PARAM_PORTDEFINITIONTYPE * port_def)
{
OMX_ERRORTYPE err = OMX_ErrorNone;
GstOMXComponent *comp;
g_return_val_if_fail (port != NULL, FALSE);
comp = port->comp;
g_mutex_lock (port->port_lock);
if (port_def)
err =
gst_omx_component_set_parameter (comp, OMX_IndexParamPortDefinition,
port_def);
gst_omx_component_get_parameter (comp, OMX_IndexParamPortDefinition,
&port->port_def);
GST_DEBUG_OBJECT (comp->parent, "Updated port %u definition: %s (0x%08x)",
port->index, gst_omx_error_to_string (err), err);
g_mutex_unlock (port->port_lock);
return (err == OMX_ErrorNone);
}
GstOMXAcquireBufferReturn
gst_omx_port_acquire_buffer (GstOMXPort * port, GstOMXBuffer ** buf)
{
GstOMXAcquireBufferReturn ret = GST_OMX_ACQUIRE_BUFFER_ERROR;
GstOMXComponent *comp;
OMX_ERRORTYPE err;
GstOMXBuffer *_buf = NULL;
g_return_val_if_fail (port != NULL, GST_OMX_ACQUIRE_BUFFER_ERROR);
g_return_val_if_fail (buf != NULL, GST_OMX_ACQUIRE_BUFFER_ERROR);
*buf = NULL;
comp = port->comp;
GST_DEBUG_OBJECT (comp->parent, "Acquiring buffer from port %u", port->index);
g_mutex_lock (port->port_lock);
retry:
/* Check if the component is in an error state */
if ((err = gst_omx_component_get_last_error (comp)) != OMX_ErrorNone) {
GST_ERROR_OBJECT (comp->parent, "Component is in error state: %s",
gst_omx_error_to_string (err));
ret = GST_OMX_ACQUIRE_BUFFER_ERROR;
goto done;
}
/* Check if the port is flushing */
if (port->flushing) {
ret = GST_OMX_ACQUIRE_BUFFER_FLUSHING;
goto done;
}
/* If this is an input port and at least one of the output ports
* needs to be reconfigured, we wait until all output ports are
* reconfigured. Afterwards this port is reconfigured if required
* or buffers are returned to be filled as usual.
*/
if (port->port_def.eDir == OMX_DirInput) {
if (g_atomic_int_get (&comp->have_pending_reconfigure_outports)) {
g_mutex_unlock (port->port_lock);
g_mutex_lock (comp->state_lock);
while (g_atomic_int_get (&comp->have_pending_reconfigure_outports) &&
(err = comp->last_error) == OMX_ErrorNone && !port->flushing) {
GST_DEBUG_OBJECT (comp->parent,
"Waiting for output ports to reconfigure");
g_cond_wait (comp->state_cond, comp->state_lock);
}
g_mutex_unlock (comp->state_lock);
g_mutex_lock (port->port_lock);
goto retry;
}
/* Only if this port needs to be reconfigured too notify
* the caller about it */
if (port->settings_cookie != port->configured_settings_cookie) {
ret = GST_OMX_ACQUIRE_BUFFER_RECONFIGURE;
port->settings_changed = TRUE;
goto done;
}
}
/* If we have an output port that needs to be reconfigured
* and it still has buffers pending for the old configuration
* we first return them.
* NOTE: If buffers for this configuration arrive later
* we have to drop them... */
if (port->port_def.eDir == OMX_DirOutput &&
port->settings_cookie != port->configured_settings_cookie) {
if (!g_queue_is_empty (port->pending_buffers)) {
GST_DEBUG_OBJECT (comp->parent,
"Output port %u needs reconfiguration but has buffers pending",
port->index);
_buf = g_queue_pop_head (port->pending_buffers);
g_assert (_buf != NULL);
ret = GST_OMX_ACQUIRE_BUFFER_OK;
goto done;
}
ret = GST_OMX_ACQUIRE_BUFFER_RECONFIGURE;
port->settings_changed = TRUE;
goto done;
}
if (port->settings_changed) {
GST_DEBUG_OBJECT (comp->parent,
"Port %u has settings changed, need new caps", port->index);
ret = GST_OMX_ACQUIRE_BUFFER_RECONFIGURED;
port->settings_changed = FALSE;
goto done;
}
/*
* At this point we have no error or flushing port
* and a properly configured port.
*
*/
/* If the queue is empty we wait until a buffer
* arrives, an error happens, the port is flushing
* or the port needs to be reconfigured.
*/
if (g_queue_is_empty (port->pending_buffers)) {
GST_DEBUG_OBJECT (comp->parent, "Queue of port %u is empty", port->index);
g_cond_wait (port->port_cond, port->port_lock);
} else {
GST_DEBUG_OBJECT (comp->parent, "Port %u has pending buffers");
_buf = g_queue_pop_head (port->pending_buffers);
ret = GST_OMX_ACQUIRE_BUFFER_OK;
goto done;
}
/* And now check everything again and maybe get a buffer */
goto retry;
done:
g_mutex_unlock (port->port_lock);
if (_buf) {
g_assert (_buf == _buf->omx_buf->pAppPrivate);
*buf = _buf;
}
GST_DEBUG_OBJECT (comp->parent, "Acquired buffer %p from port %u: %d", _buf,
port->index, ret);
return ret;
}
OMX_ERRORTYPE
gst_omx_port_release_buffer (GstOMXPort * port, GstOMXBuffer * buf)
{
GstOMXComponent *comp;
OMX_ERRORTYPE err = OMX_ErrorNone;
g_return_val_if_fail (port != NULL, OMX_ErrorUndefined);
g_return_val_if_fail (buf != NULL, OMX_ErrorUndefined);
g_return_val_if_fail (buf->port == port, OMX_ErrorUndefined);
comp = port->comp;
GST_DEBUG_OBJECT (comp->parent, "Releasing buffer %p to port %u",
buf, port->index);
g_mutex_lock (port->port_lock);
if ((err = gst_omx_component_get_last_error (comp)) != OMX_ErrorNone) {
GST_ERROR_OBJECT (comp->parent, "Component is in error state: %s (0x%08x)",
gst_omx_error_to_string (err), err);
goto done;
}
if (port->flushing) {
GST_DEBUG_OBJECT (comp->parent, "Port %u is flushing, not releasing buffer",
port->index);
goto done;
}
g_assert (buf == buf->omx_buf->pAppPrivate);
/* FIXME: What if the settings cookies don't match? */
buf->used = TRUE;
if (port->port_def.eDir == OMX_DirInput) {
err = OMX_EmptyThisBuffer (comp->handle, buf->omx_buf);
} else {
err = OMX_FillThisBuffer (comp->handle, buf->omx_buf);
}
done:
GST_DEBUG_OBJECT (comp->parent, "Released buffer %p to port %u: %s (0x%08x)",
buf, port->index, gst_omx_error_to_string (err), err);
g_mutex_unlock (port->port_lock);
return err;
}
OMX_ERRORTYPE
gst_omx_port_set_flushing (GstOMXPort * port, gboolean flush)
{
GstOMXComponent *comp;
OMX_ERRORTYPE err = OMX_ErrorNone;
g_return_val_if_fail (port != NULL, OMX_ErrorUndefined);
comp = port->comp;
GST_DEBUG_OBJECT (comp->parent, "Setting port %d to %sflushing",
port->index, (flush ? "" : "not "));
g_mutex_lock (port->port_lock);
if (! !flush == ! !port->flushing) {
GST_DEBUG_OBJECT (comp->parent, "Port %u was %sflushing already",
port->index, (flush ? "" : "not "));
goto done;
}
if ((err = gst_omx_component_get_last_error (comp)) != OMX_ErrorNone) {
GST_ERROR_OBJECT (comp->parent, "Component is in error state: %s (0x%08x)",
gst_omx_error_to_string (err), err);
goto done;
}
g_mutex_lock (comp->state_lock);
if (comp->state != OMX_StateIdle && comp->state != OMX_StateExecuting) {
GST_ERROR_OBJECT (comp->parent, "Component is in wrong state: %d",
comp->state);
err = OMX_ErrorUndefined;
g_mutex_unlock (comp->state_lock);
goto done;
}
g_mutex_unlock (comp->state_lock);
port->flushing = flush;
if (flush) {
GTimeVal abstimeout, *timeval;
gboolean signalled;
OMX_ERRORTYPE last_error;
g_cond_broadcast (port->port_cond);
/* We also need to signal the state cond because
* an input port might wait on this for the output
* ports to reconfigure. This will not confuse
* other waiters on the state cond because they will
* additionally check if the condition they're waiting
* for is true after waking up.
*/
g_mutex_lock (comp->state_lock);
g_cond_broadcast (comp->state_cond);
g_mutex_unlock (comp->state_lock);
/* Now flush the port */
port->flushed = FALSE;
/* Unlock because this could call one of the callbacks which
* also take the lock */
g_mutex_unlock (port->port_lock);
err = OMX_SendCommand (comp->handle, OMX_CommandFlush, port->index, NULL);
g_mutex_lock (port->port_lock);
if (err != OMX_ErrorNone) {
GST_ERROR_OBJECT (comp->parent,
"Error sending flush command to port %u: %s (0x%08x)", port->index,
gst_omx_error_to_string (err), err);
goto done;
}
if ((err = gst_omx_component_get_last_error (comp)) != OMX_ErrorNone) {
GST_ERROR_OBJECT (comp->parent,
"Component is in error state: %s (0x%08x)",
gst_omx_error_to_string (err), err);
goto done;
}
if (! !port->flushing != ! !flush) {
GST_ERROR_OBJECT (comp->parent, "Another flush happened in the meantime");
goto done;
}
g_get_current_time (&abstimeout);
g_time_val_add (&abstimeout, 5 * G_USEC_PER_SEC);
timeval = &abstimeout;
GST_DEBUG_OBJECT (comp->parent, "Waiting for 5s");
/* Retry until timeout or until an error happend or
* until all buffers were released by the component and
* the flush command completed */
signalled = TRUE;
last_error = OMX_ErrorNone;
while (signalled && last_error == OMX_ErrorNone && !port->flushed
&& port->buffers->len != g_queue_get_length (port->pending_buffers)) {
signalled = g_cond_timed_wait (port->port_cond, port->port_lock, timeval);
last_error = gst_omx_component_get_last_error (comp);
}
port->flushed = FALSE;
GST_DEBUG_OBJECT (comp->parent, "Port %d flushed", port->index);
if (last_error != OMX_ErrorNone) {
GST_ERROR_OBJECT (comp->parent,
"Got error while flushing port %u: %s (0x%08x)", port->index,
gst_omx_error_to_string (last_error), last_error);
err = last_error;
goto done;
} else if (!signalled) {
GST_ERROR_OBJECT (comp->parent, "Timeout while flushing port %u",
port->index);
err = OMX_ErrorTimeout;
goto done;
}
} else {
if (port->port_def.eDir == OMX_DirOutput && port->buffers) {
GstOMXBuffer *buf;
if (comp->hacks & GST_OMX_HACK_QCOM_7x30_FILL_THIS_BUFFER_RACE)
g_usleep (G_USEC_PER_SEC / 10);
/* Enqueue all buffers for the component to fill */
while ((buf = g_queue_pop_head (port->pending_buffers))) {
g_assert (!buf->used);
err = OMX_FillThisBuffer (comp->handle, buf->omx_buf);
if (err != OMX_ErrorNone) {
GST_ERROR_OBJECT (comp->parent,
"Failed to pass buffer %p to port %u: %s (0x%08x)", buf,
port->index, gst_omx_error_to_string (err), err);
goto error;
}
}
}
}
done:
GST_DEBUG_OBJECT (comp->parent, "Set port %u to %sflushing: %s (0x%08x)",
port->index, (flush ? "" : "not "), gst_omx_error_to_string (err), err);
g_mutex_unlock (port->port_lock);
return err;
error:
{
/* Need to unlock the port lock here because
* set_last_error() needs all port locks.
* This is safe here because we're just going
* to error out anyway */
g_mutex_unlock (port->port_lock);
gst_omx_component_set_last_error (comp, err);
g_mutex_lock (port->port_lock);
goto done;
}
}
gboolean
gst_omx_port_is_flushing (GstOMXPort * port)
{
GstOMXComponent *comp;
gboolean flushing;
g_return_val_if_fail (port != NULL, FALSE);
comp = port->comp;
g_mutex_lock (port->port_lock);
flushing = port->flushing;
g_mutex_unlock (port->port_lock);
GST_DEBUG_OBJECT (comp->parent, "Port %u is flushing: %d", port->index,
flushing);
return flushing;
}
/* Must be called while holding port->lock */
static OMX_ERRORTYPE
gst_omx_port_allocate_buffers_unlocked (GstOMXPort * port)
{
GstOMXComponent *comp;
OMX_ERRORTYPE err = OMX_ErrorNone;
gint i, n;
g_assert (!port->buffers || port->buffers->len == 0);
comp = port->comp;
if ((err = gst_omx_component_get_last_error (comp)) != OMX_ErrorNone) {
GST_ERROR_OBJECT (comp->parent, "Component in error state: %s (0x%08x)",
gst_omx_error_to_string (err), err);
goto done;
}
/* Update the port definition to check if we need more
* buffers after the port configuration was done and to
* update the buffer size
*/
gst_omx_component_get_parameter (comp, OMX_IndexParamPortDefinition,
&port->port_def);
/* If the configured, actual number of buffers is less than
* the minimal number of buffers required, use the minimal
* number of buffers
*/
if (port->port_def.nBufferCountActual < port->port_def.nBufferCountMin) {
port->port_def.nBufferCountActual = port->port_def.nBufferCountMin;
err = gst_omx_component_set_parameter (comp, OMX_IndexParamPortDefinition,
&port->port_def);
gst_omx_component_get_parameter (comp, OMX_IndexParamPortDefinition,
&port->port_def);
}
if (err != OMX_ErrorNone) {
GST_ERROR_OBJECT (comp->parent,
"Failed to configure number of buffers of port %u: %s (0x%08x)",
port->index, gst_omx_error_to_string (err), err);
goto error;
}
n = port->port_def.nBufferCountActual;
GST_DEBUG_OBJECT (comp->parent,
"Allocating %d buffers of size %u for port %u", n,
port->port_def.nBufferSize, port->index);
if (!port->buffers)
port->buffers = g_ptr_array_sized_new (n);
for (i = 0; i < n; i++) {
GstOMXBuffer *buf;
buf = g_slice_new0 (GstOMXBuffer);
buf->port = port;
buf->used = FALSE;
buf->settings_cookie = port->settings_cookie;
g_ptr_array_add (port->buffers, buf);
err =
OMX_AllocateBuffer (comp->handle, &buf->omx_buf, port->index, buf,
port->port_def.nBufferSize);
if (err != OMX_ErrorNone) {
GST_ERROR_OBJECT (comp->parent,
"Failed to allocate buffer for port %u: %s (0x%08x)", port->index,
gst_omx_error_to_string (err), err);
goto error;
}
g_assert (buf->omx_buf->pAppPrivate == buf);
/* In the beginning all buffers are not owned by the component */
g_queue_push_tail (port->pending_buffers, buf);
}
done:
GST_DEBUG_OBJECT (comp->parent, "Allocated buffers for port %u: %s (0x%08x)",
port->index, gst_omx_error_to_string (err), err);
return err;
error:
{
/* Need to unlock the port lock here because
* set_last_error() needs all port locks.
* This is safe here because we're just going
* to error out anyway */
g_mutex_unlock (port->port_lock);
gst_omx_component_set_last_error (comp, err);
g_mutex_lock (port->port_lock);
goto done;
}
}
OMX_ERRORTYPE
gst_omx_port_allocate_buffers (GstOMXPort * port)
{
OMX_ERRORTYPE err;
g_return_val_if_fail (port != NULL, OMX_ErrorUndefined);
g_mutex_lock (port->port_lock);
err = gst_omx_port_allocate_buffers_unlocked (port);
g_mutex_unlock (port->port_lock);
return err;
}
/* Must be called while holding port->lock */
static OMX_ERRORTYPE
gst_omx_port_deallocate_buffers_unlocked (GstOMXPort * port)
{
GstOMXComponent *comp;
OMX_ERRORTYPE err = OMX_ErrorNone;
gint i, n;
comp = port->comp;
GST_DEBUG_OBJECT (comp->parent, "Deallocating buffers of port %u",
port->index);
if (!port->buffers) {
GST_DEBUG_OBJECT (comp->parent, "No buffers allocated for port %u",
port->index);
goto done;
}
if ((err = gst_omx_component_get_last_error (comp)) != OMX_ErrorNone) {
GST_ERROR_OBJECT (comp->parent, "Component in error state: %s (0x%08x)",
gst_omx_error_to_string (err), err);
/* We still try to deallocate all buffers */
}
/* We only allow deallocation of buffers after they
* were all released from the port, either by flushing
* the port or by disabling it.
*/
n = port->buffers->len;
for (i = 0; i < n; i++) {
GstOMXBuffer *buf = g_ptr_array_index (port->buffers, i);
OMX_ERRORTYPE tmp = OMX_ErrorNone;
if (buf->used)
GST_ERROR_OBJECT (comp->parent,
"Trying to free used buffer %p of port %u", buf, port->index);
/* omx_buf can be NULL if allocation failed earlier
* and we're just shutting down
*
* errors do not cause exiting this loop because we want
* to deallocate as much as possible.
*/
if (buf->omx_buf) {
g_assert (buf == buf->omx_buf->pAppPrivate);
buf->omx_buf->pAppPrivate = NULL;
tmp = OMX_FreeBuffer (comp->handle, port->index, buf->omx_buf);
if (tmp != OMX_ErrorNone) {
GST_ERROR_OBJECT (comp->parent,
"Failed to deallocate buffer %d of port %u: %s (0x%08x)", i,
port->index, gst_omx_error_to_string (tmp), tmp);
if (err == OMX_ErrorNone)
err = tmp;
}
}
g_slice_free (GstOMXBuffer, buf);
}
g_queue_clear (port->pending_buffers);
#if GLIB_CHECK_VERSION(2,22,0)
g_ptr_array_unref (port->buffers);
#else
g_ptr_array_free (port->buffers, TRUE);
#endif
port->buffers = NULL;
done:
GST_DEBUG_OBJECT (comp->parent, "Deallocated buffers of port %u: %s (0x%08x)",
port->index, gst_omx_error_to_string (err), err);
return err;
}
OMX_ERRORTYPE
gst_omx_port_deallocate_buffers (GstOMXPort * port)
{
OMX_ERRORTYPE err;
g_return_val_if_fail (port != NULL, OMX_ErrorUndefined);
g_mutex_lock (port->port_lock);
err = gst_omx_port_deallocate_buffers_unlocked (port);
g_mutex_unlock (port->port_lock);
return err;
}
/* Must be called while holding port->lock */
static OMX_ERRORTYPE
gst_omx_port_set_enabled_unlocked (GstOMXPort * port, gboolean enabled)
{
GstOMXComponent *comp;
OMX_ERRORTYPE err = OMX_ErrorNone;
GTimeVal abstimeout, *timeval;
gboolean signalled;
OMX_ERRORTYPE last_error;
comp = port->comp;
if ((err = gst_omx_component_get_last_error (comp)) != OMX_ErrorNone) {
GST_ERROR_OBJECT (comp->parent, "Component in error state: %s (0x%08x)",
gst_omx_error_to_string (err), err);
goto done;
}
GST_DEBUG_OBJECT (comp->parent, "Setting port %u to %s", port->index,
(enabled ? "enabled" : "disabled"));
/* Check if the port is already enabled/disabled first */
gst_omx_component_get_parameter (comp, OMX_IndexParamPortDefinition,
&port->port_def);
if (! !port->port_def.bEnabled == ! !enabled)
goto done;
port->enabled_changed = FALSE;
g_mutex_unlock (port->port_lock);
if (enabled)
err =
OMX_SendCommand (comp->handle, OMX_CommandPortEnable, port->index,
NULL);
else
err =
OMX_SendCommand (comp->handle, OMX_CommandPortDisable,
port->index, NULL);
g_mutex_lock (port->port_lock);
if (err != OMX_ErrorNone) {
GST_ERROR_OBJECT (comp->parent,
"Failed to send enable/disable command to port %u: %s (0x%08x)",
port->index, gst_omx_error_to_string (err), err);
goto error;
}
if ((err = gst_omx_component_get_last_error (comp)) != OMX_ErrorNone) {
GST_ERROR_OBJECT (comp->parent, "Component in error state: %s (0x%08x)",
gst_omx_error_to_string (err), err);
goto done;
}
if (port->enabled_changed) {
GST_ERROR_OBJECT (comp->parent, "Port enabled/disabled in the meantime");
goto done;
}
g_get_current_time (&abstimeout);
g_time_val_add (&abstimeout, 5 * G_USEC_PER_SEC);
timeval = &abstimeout;
GST_DEBUG_OBJECT (comp->parent, "Waiting for 5s");
/* First wait until all buffers are released by the port */
signalled = TRUE;
last_error = OMX_ErrorNone;
while (signalled && last_error == OMX_ErrorNone && (port->buffers
&& port->buffers->len !=
g_queue_get_length (port->pending_buffers))) {
signalled = g_cond_timed_wait (port->port_cond, port->port_lock, timeval);
last_error = gst_omx_component_get_last_error (comp);
}
if (last_error != OMX_ErrorNone) {
err = last_error;
GST_ERROR_OBJECT (comp->parent,
"Got error while waiting for port %u to release all buffers: %s (0x%08x)",
port->index, gst_omx_error_to_string (err), err);
goto done;
} else if (!signalled) {
GST_ERROR_OBJECT (comp->parent,
"Timeout waiting for port %u to release all buffers", port->index);
err = OMX_ErrorTimeout;
goto error;
}
/* Allocate/deallocate all buffers for the port to finish
* the enable/disable command */
if (enabled) {
/* If allocation fails this component can't really be used anymore */
if ((err = gst_omx_port_allocate_buffers_unlocked (port)) != OMX_ErrorNone) {
goto error;
}
} else {
/* If deallocation fails this component can't really be used anymore */
if ((err =
gst_omx_port_deallocate_buffers_unlocked (port)) != OMX_ErrorNone) {
goto error;
}
}
/* And now wait until the enable/disable command is finished */
signalled = TRUE;
last_error = OMX_ErrorNone;
gst_omx_component_get_parameter (comp, OMX_IndexParamPortDefinition,
&port->port_def);
while (signalled && last_error == OMX_ErrorNone
&& (! !port->port_def.bEnabled != ! !enabled || !port->enabled_changed)) {
signalled = g_cond_timed_wait (port->port_cond, port->port_lock, timeval);
last_error = gst_omx_component_get_last_error (comp);
gst_omx_component_get_parameter (comp, OMX_IndexParamPortDefinition,
&port->port_def);
}
if (!signalled) {
GST_ERROR_OBJECT (comp->parent,
"Timeout waiting for port %u to be %s", port->index,
(enabled ? "enabled" : "disabled"));
err = OMX_ErrorTimeout;
goto error;
} else if (last_error != OMX_ErrorNone) {
GST_ERROR_OBJECT (comp->parent,
"Got error while waiting for port %u to be %s: %s (0x%08x)",
port->index, (enabled ? "enabled" : "disabled"),
gst_omx_error_to_string (err), err);
err = last_error;
} else {
/* If everything went fine and we have an output port we
* should provide all newly allocated buffers to the port
*/
if (enabled && port->port_def.eDir == OMX_DirOutput) {
GstOMXBuffer *buf;
if (comp->hacks & GST_OMX_HACK_QCOM_7x30_FILL_THIS_BUFFER_RACE)
g_usleep (G_USEC_PER_SEC / 10);
/* Enqueue all buffers for the component to fill */
while ((buf = g_queue_pop_head (port->pending_buffers))) {
g_assert (!buf->used);
err = OMX_FillThisBuffer (comp->handle, buf->omx_buf);
if (err != OMX_ErrorNone) {
GST_ERROR_OBJECT (comp->parent,
"Failed to pass buffer %p to port %u: %s (0x%08x)", buf,
port->index, gst_omx_error_to_string (err), err);
goto error;
}
}
}
}
done:
GST_DEBUG_OBJECT (comp->parent, "Port %u is %s%s: %s (0x%08x)", port->index,
(err == OMX_ErrorNone ? "" : "not "),
(enabled ? "enabled" : "disabled"), gst_omx_error_to_string (err), err);
return err;
error:
{
/* Need to unlock the port lock here because
* set_last_error() needs all port locks.
* This is safe here because we're just going
* to error out anyway */
g_mutex_unlock (port->port_lock);
gst_omx_component_set_last_error (comp, err);
g_mutex_lock (port->port_lock);
goto done;
}
}
OMX_ERRORTYPE
gst_omx_port_set_enabled (GstOMXPort * port, gboolean enabled)
{
OMX_ERRORTYPE err;
g_return_val_if_fail (port != NULL, OMX_ErrorUndefined);
g_mutex_lock (port->port_lock);
err = gst_omx_port_set_enabled_unlocked (port, enabled);
g_mutex_unlock (port->port_lock);
return err;
}
gboolean
gst_omx_port_is_enabled (GstOMXPort * port)
{
GstOMXComponent *comp;
gboolean enabled;
g_return_val_if_fail (port != NULL, FALSE);
comp = port->comp;
g_mutex_lock (port->port_lock);
gst_omx_component_get_parameter (comp, OMX_IndexParamPortDefinition,
&port->port_def);
enabled = port->port_def.bEnabled;
g_mutex_unlock (port->port_lock);
GST_DEBUG_OBJECT (comp->parent, "Port %u is enabled: %d", port->index,
enabled);
return enabled;
}
OMX_ERRORTYPE
gst_omx_port_reconfigure (GstOMXPort * port)
{
GstOMXComponent *comp;
OMX_ERRORTYPE err = OMX_ErrorNone;
g_return_val_if_fail (port != NULL, OMX_ErrorUndefined);
comp = port->comp;
GST_DEBUG_OBJECT (comp->parent, "Reconfiguring port %u", port->index);
g_mutex_lock (port->port_lock);
if (!port->settings_changed)
goto done;
if ((err = gst_omx_component_get_last_error (comp)) != OMX_ErrorNone)
goto done;
/* Disable and enable the port. This already takes
* care of deallocating and allocating buffers.
*/
err = gst_omx_port_set_enabled_unlocked (port, FALSE);
if (err != OMX_ErrorNone)
goto done;
err = gst_omx_port_set_enabled_unlocked (port, TRUE);
if (err != OMX_ErrorNone)
goto done;
port->configured_settings_cookie = port->settings_cookie;
/* If this is an output port, notify all input ports
* that might wait for us to reconfigure in
* acquire_buffer()
*/
if (port->port_def.eDir == OMX_DirOutput) {
GList *l;
g_mutex_lock (comp->state_lock);
for (l = comp->pending_reconfigure_outports; l; l = l->next) {
if (l->data == (gpointer) port) {
comp->pending_reconfigure_outports =
g_list_delete_link (comp->pending_reconfigure_outports, l);
break;
}
}
if (!comp->pending_reconfigure_outports) {
g_atomic_int_set (&comp->have_pending_reconfigure_outports, 0);
g_cond_broadcast (comp->state_cond);
}
g_mutex_unlock (comp->state_lock);
}
done:
GST_DEBUG_OBJECT (comp->parent, "Reconfigured port %u: %s (0x%08x)",
port->index, gst_omx_error_to_string (err), err);
g_mutex_unlock (port->port_lock);
return err;
}
OMX_ERRORTYPE
gst_omx_port_manual_reconfigure (GstOMXPort * port, gboolean start)
{
GstOMXComponent *comp;
OMX_ERRORTYPE err = OMX_ErrorNone;
g_return_val_if_fail (port != NULL, OMX_ErrorUndefined);
comp = port->comp;
GST_DEBUG_OBJECT (comp->parent, "Manual reconfigure of port %u %s",
port->index, (start ? "start" : "stsop"));
g_mutex_lock (port->port_lock);
if ((err = gst_omx_component_get_last_error (comp)) != OMX_ErrorNone)
goto done;
if (start)
port->settings_cookie++;
else
port->configured_settings_cookie = port->settings_cookie;
if (port->port_def.eDir == OMX_DirOutput) {
GList *l;
if (start) {
g_mutex_lock (comp->state_lock);
for (l = comp->pending_reconfigure_outports; l; l = l->next) {
if (l->data == (gpointer) port)
break;
}
if (!l) {
comp->pending_reconfigure_outports =
g_list_prepend (comp->pending_reconfigure_outports, port);
g_atomic_int_set (&comp->have_pending_reconfigure_outports, 1);
}
g_mutex_unlock (comp->state_lock);
} else {
g_mutex_lock (comp->state_lock);
for (l = comp->pending_reconfigure_outports; l; l = l->next) {
if (l->data == (gpointer) port) {
comp->pending_reconfigure_outports =
g_list_delete_link (comp->pending_reconfigure_outports, l);
break;
}
}
if (!comp->pending_reconfigure_outports) {
g_atomic_int_set (&comp->have_pending_reconfigure_outports, 0);
g_cond_broadcast (comp->state_cond);
}
g_mutex_unlock (comp->state_lock);
}
}
done:
g_mutex_unlock (port->port_lock);
GST_DEBUG_OBJECT (comp->parent, "Manual reconfigure of port %u: %s (0x%08x)",
port->index, gst_omx_error_to_string (err), err);
return err;
}
GQuark gst_omx_element_name_quark = 0;
static GType (*types[]) (void) = {
gst_omx_mpeg4_video_dec_get_type, gst_omx_h264_dec_get_type,
gst_omx_h263_dec_get_type, gst_omx_wmv_dec_get_type,
gst_omx_mpeg4_video_enc_get_type, gst_omx_h264_enc_get_type,
gst_omx_h263_enc_get_type};
static GKeyFile *config = NULL;
GKeyFile *
gst_omx_get_configuration (void)
{
return config;
}
const gchar *
gst_omx_error_to_string (OMX_ERRORTYPE err)
{
switch (err) {
case OMX_ErrorNone:
return "None";
case OMX_ErrorInsufficientResources:
return "Insufficient resources";
case OMX_ErrorUndefined:
return "Undefined";
case OMX_ErrorInvalidComponentName:
return "Invalid component name";
case OMX_ErrorComponentNotFound:
return "Component not found";
case OMX_ErrorInvalidComponent:
return "Invalid component";
case OMX_ErrorBadParameter:
return "Bad parameter";
case OMX_ErrorNotImplemented:
return "Not implemented";
case OMX_ErrorUnderflow:
return "Underflow";
case OMX_ErrorOverflow:
return "Overflow";
case OMX_ErrorHardware:
return "Hardware";
case OMX_ErrorInvalidState:
return "Invalid state";
case OMX_ErrorStreamCorrupt:
return "Stream corrupt";
case OMX_ErrorPortsNotCompatible:
return "Ports not compatible";
case OMX_ErrorResourcesLost:
return "Resources lost";
case OMX_ErrorNoMore:
return "No more";
case OMX_ErrorVersionMismatch:
return "Version mismatch";
case OMX_ErrorNotReady:
return "Not ready";
case OMX_ErrorTimeout:
return "Timeout";
case OMX_ErrorSameState:
return "Same state";
case OMX_ErrorResourcesPreempted:
return "Resources preempted";
case OMX_ErrorPortUnresponsiveDuringAllocation:
return "Port unresponsive during allocation";
case OMX_ErrorPortUnresponsiveDuringDeallocation:
return "Port unresponsive during deallocation";
case OMX_ErrorPortUnresponsiveDuringStop:
return "Port unresponsive during stop";
case OMX_ErrorIncorrectStateTransition:
return "Incorrect state transition";
case OMX_ErrorIncorrectStateOperation:
return "Incorrect state operation";
case OMX_ErrorUnsupportedSetting:
return "Unsupported setting";
case OMX_ErrorUnsupportedIndex:
return "Unsupported index";
case OMX_ErrorBadPortIndex:
return "Bad port index";
case OMX_ErrorPortUnpopulated:
return "Port unpopulated";
case OMX_ErrorComponentSuspended:
return "Component suspended";
case OMX_ErrorDynamicResourcesUnavailable:
return "Dynamic resources unavailable";
case OMX_ErrorMbErrorsInFrame:
return "Macroblock errors in frame";
case OMX_ErrorFormatNotDetected:
return "Format not detected";
case OMX_ErrorContentPipeOpenFailed:
return "Content pipe open failed";
case OMX_ErrorContentPipeCreationFailed:
return "Content pipe creation failed";
case OMX_ErrorSeperateTablesUsed:
return "Seperate tables used";
case OMX_ErrorTunnelingUnsupported:
return "Tunneling unsupported";
default:
if (err >= (guint32) OMX_ErrorKhronosExtensions
&& err < (guint32) OMX_ErrorVendorStartUnused) {
return "Khronos extension error";
} else if (err >= (guint32) OMX_ErrorVendorStartUnused
&& err < (guint32) OMX_ErrorMax) {
return "Vendor specific error";
} else {
return "Unknown error";
}
}
}
guint64
gst_omx_parse_hacks (gchar ** hacks)
{
guint64 hacks_flags = 0;
if (!hacks)
return 0;
while (*hacks) {
if (g_str_equal (*hacks,
"event-port-settings-changed-ndata-parameter-swap"))
hacks_flags |=
GST_OMX_HACK_EVENT_PORT_SETTINGS_CHANGED_NDATA_PARAMETER_SWAP;
else if (g_str_equal (*hacks, "event-port-settings-changed-port-0-to-1"))
hacks_flags |= GST_OMX_HACK_EVENT_PORT_SETTINGS_CHANGED_PORT_0_TO_1;
else if (g_str_equal (*hacks, "video-framerate-integer"))
hacks_flags |= GST_OMX_HACK_VIDEO_FRAMERATE_INTEGER;
else if (g_str_equal (*hacks, "syncframe-flag-not-used"))
hacks_flags |= GST_OMX_HACK_SYNCFRAME_FLAG_NOT_USED;
else if (g_str_equal (*hacks, "qcom-7x30-fill-this-buffer-race"))
hacks_flags |= GST_OMX_HACK_QCOM_7x30_FILL_THIS_BUFFER_RACE;
else
GST_WARNING ("Unknown hack: %s", *hacks);
hacks++;
}
return hacks_flags;
}
static gboolean
plugin_init (GstPlugin * plugin)
{
gboolean ret = FALSE;
GError *err = NULL;
gchar **config_dirs;
gchar **elements;
gchar *env_config_dir;
const gchar *user_config_dir;
const gchar *const *system_config_dirs;
gint i, j;
gsize n_elements;
static const gchar *config_name[] = { "gstomx.conf", NULL };
static const gchar *env_config_name[] = { "GST_OMX_CONFIG_DIR", NULL };
GST_DEBUG_CATEGORY_INIT (gstomx_debug, "omx", 0, "gst-omx");
gst_omx_element_name_quark =
g_quark_from_static_string ("gst-omx-element-name");
/* Read configuration file gstomx.conf from the preferred
* configuration directories */
env_config_dir = g_strdup (g_getenv (*env_config_name));
user_config_dir = g_get_user_config_dir ();
system_config_dirs = g_get_system_config_dirs ();
config_dirs =
g_new (gchar *, g_strv_length ((gchar **) system_config_dirs) + 3);
i = 0;
j = 0;
if (env_config_dir)
config_dirs[i++] = (gchar *) env_config_dir;
config_dirs[i++] = (gchar *) user_config_dir;
while (system_config_dirs[j])
config_dirs[i++] = (gchar *) system_config_dirs[j++];
config_dirs[i++] = NULL;
gst_plugin_add_dependency (plugin, env_config_name,
(const gchar **) (config_dirs + (env_config_dir ? 1 : 0)), config_name,
GST_PLUGIN_DEPENDENCY_FLAG_NONE);
config = g_key_file_new ();
if (!g_key_file_load_from_dirs (config, *config_name,
(const gchar **) config_dirs, NULL, G_KEY_FILE_NONE, &err)) {
GST_ERROR ("Failed to load configuration file: %s", err->message);
g_error_free (err);
goto done;
}
/* Initialize all types */
for (i = 0; i < G_N_ELEMENTS (types); i++)
types[i] ();
elements = g_key_file_get_groups (config, &n_elements);
for (i = 0; i < n_elements; i++) {
GTypeQuery type_query;
GTypeInfo type_info = { 0, };
GType type, subtype;
gchar *type_name, *core_name, *component_name;
gint rank;
GST_DEBUG ("Registering element '%s'", elements[i]);
err = NULL;
if (!(type_name =
g_key_file_get_string (config, elements[i], "type-name", &err))) {
GST_ERROR
("Unable to read 'type-name' configuration for element '%s': %s",
elements[i], err->message);
g_error_free (err);
continue;
}
type = g_type_from_name (type_name);
if (type == G_TYPE_INVALID) {
GST_ERROR ("Invalid type name '%s' for element '%s'", type_name,
elements[i]);
g_free (type_name);
continue;
}
if (!g_type_is_a (type, GST_TYPE_ELEMENT)) {
GST_ERROR ("Type '%s' is no GstElement subtype for element '%s'",
type_name, elements[i]);
g_free (type_name);
continue;
}
g_free (type_name);
/* And now some sanity checking */
err = NULL;
if (!(core_name =
g_key_file_get_string (config, elements[i], "core-name", &err))) {
GST_ERROR
("Unable to read 'core-name' configuration for element '%s': %s",
elements[i], err->message);
g_error_free (err);
continue;
}
if (!g_file_test (core_name, G_FILE_TEST_IS_REGULAR)) {
GST_ERROR ("Core '%s' does not exist for element '%s'", core_name,
elements[i]);
g_free (core_name);
continue;
}
g_free (core_name);
err = NULL;
if (!(component_name =
g_key_file_get_string (config, elements[i], "component-name",
&err))) {
GST_ERROR
("Unable to read 'component-name' configuration for element '%s': %s",
elements[i], err->message);
g_error_free (err);
continue;
}
g_free (component_name);
err = NULL;
rank = g_key_file_get_integer (config, elements[i], "rank", &err);
if (err != NULL) {
GST_ERROR ("No rank set for element '%s': %s", elements[i], err->message);
g_error_free (err);
continue;
}
/* And now register the type, all other configuration will
* be handled by the type itself */
g_type_query (type, &type_query);
memset (&type_info, 0, sizeof (type_info));
type_info.class_size = type_query.class_size;
type_info.instance_size = type_query.instance_size;
type_name = g_strdup_printf ("%s-%s", g_type_name (type), elements[i]);
if (g_type_from_name (type_name) != G_TYPE_INVALID) {
GST_ERROR ("Type '%s' already exists for element '%s'", type_name,
elements[i]);
g_free (type_name);
continue;
}
subtype = g_type_register_static (type, type_name, &type_info, 0);
g_free (type_name);
g_type_set_qdata (subtype, gst_omx_element_name_quark,
g_strdup (elements[i]));
ret |= gst_element_register (plugin, elements[i], rank, subtype);
}
g_strfreev (elements);
done:
g_free (env_config_dir);
g_free (config_dirs);
return ret;
}
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
GST_VERSION_MINOR,
"openmax",
"GStreamer OpenMAX Plug-ins",
plugin_init,
PACKAGE_VERSION, GST_LICENSE, GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)
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