diff options
Diffstat (limited to 'lib/avtp_pipeline/aem/openavb_descriptor_audio_map.c')
| -rw-r--r-- | lib/avtp_pipeline/aem/openavb_descriptor_audio_map.c | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/lib/avtp_pipeline/aem/openavb_descriptor_audio_map.c b/lib/avtp_pipeline/aem/openavb_descriptor_audio_map.c new file mode 100644 index 00000000..514e1909 --- /dev/null +++ b/lib/avtp_pipeline/aem/openavb_descriptor_audio_map.c @@ -0,0 +1,180 @@ +/*************************************************************************************************************
+Copyright (c) 2012-2015, Symphony Teleca Corporation, a Harman International Industries, Incorporated company
+Copyright (c) 2016-2017, Harman International Industries, Incorporated
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+1. Redistributions of source code must retain the above copyright notice, this
+ list of conditions and the following disclaimer.
+2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS LISTED "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS LISTED BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+Attributions: The inih library portion of the source code is licensed from
+Brush Technology and Ben Hoyt - Copyright (c) 2009, Brush Technology and Copyright (c) 2009, Ben Hoyt.
+Complete license and copyright information can be found at
+https://github.com/benhoyt/inih/commit/74d2ca064fb293bc60a77b0bd068075b293cf175.
+*************************************************************************************************************/
+
+/*
+ ******************************************************************
+ * MODULE : AEM - AVDECC Audio Map Descriptor
+ * MODULE SUMMARY : Implements the AVDECC Audio Map IEEE Std 1722.1-2013 clause 7.2.19
+ ******************************************************************
+ */
+
+#include <stdlib.h>
+
+#define AVB_LOG_COMPONENT "AEM"
+#include "openavb_log.h"
+
+#include "openavb_rawsock.h"
+#include "openavb_aem.h"
+#include "openavb_descriptor_audio_map.h"
+
+
+////////////////////////////////
+// Private (internal) functions
+////////////////////////////////
+openavbRC openavbAemDescriptorAudioMapToBuf(void *pVoidDescriptor, U16 bufLength, U8 *pBuf, U16 *descriptorSize)
+{
+ AVB_TRACE_ENTRY(AVB_TRACE_AEM);
+
+ openavb_aem_descriptor_audio_map_t *pDescriptor = pVoidDescriptor;
+
+ if (!pDescriptor || !pBuf || !descriptorSize) {
+ AVB_RC_LOG_TRACE_RET(AVB_RC(OPENAVB_AVDECC_FAILURE | OPENAVB_RC_INVALID_ARGUMENT), AVB_TRACE_AEM);
+ }
+
+ if (bufLength < OPENAVB_DESCRIPTOR_AUDIO_MAP_BASE_LENGTH + (pDescriptor->number_of_mappings * OPENAVB_DESCRIPTOR_AUDIO_MAP_AUDIO_MAPPING_FORMAT_LENGTH)) {
+ AVB_RC_LOG_TRACE_RET(AVB_RC(OPENAVB_AVDECC_FAILURE | OPENAVBAVDECC_RC_BUFFER_TOO_SMALL), AVB_TRACE_AEM);
+ }
+
+ *descriptorSize = 0;
+
+ openavb_aem_descriptor_audio_map_t *pSrc = pDescriptor;
+ U8 *pDst = pBuf;
+
+ OCT_D2BHTONS(pDst, pSrc->descriptor_type);
+ OCT_D2BHTONS(pDst, pSrc->descriptor_index);
+ OCT_D2BHTONS(pDst, pSrc->mappings_offset);
+ OCT_D2BHTONS(pDst, pSrc->number_of_mappings);
+
+ int i1;
+ for (i1 = 0; i1 < pSrc->number_of_mappings; i1++) {
+ OCT_D2BHTONS(pDst, pSrc->mapping_formats[i1].mapping_stream_index);
+ OCT_D2BHTONS(pDst, pSrc->mapping_formats[i1].mapping_stream_channel);
+ OCT_D2BHTONS(pDst, pSrc->mapping_formats[i1].mapping_cluster_offset);
+ OCT_D2BHTONS(pDst, pSrc->mapping_formats[i1].mapping_cluster_channel);
+ }
+
+ *descriptorSize = pDst - pBuf;
+
+ AVB_RC_TRACE_RET(OPENAVB_AVDECC_SUCCESS, AVB_TRACE_AEM);
+}
+
+openavbRC openavbAemDescriptorAudioMapFromBuf(void *pVoidDescriptor, U16 bufLength, U8 *pBuf)
+{
+ AVB_TRACE_ENTRY(AVB_TRACE_AEM);
+
+ openavb_aem_descriptor_audio_map_t *pDescriptor = pVoidDescriptor;
+
+ if (!pDescriptor || !pBuf) {
+ AVB_RC_LOG_TRACE_RET(AVB_RC(OPENAVB_AVDECC_FAILURE | OPENAVB_RC_INVALID_ARGUMENT), AVB_TRACE_AEM);
+ }
+
+ if (bufLength < OPENAVB_DESCRIPTOR_AUDIO_MAP_BASE_LENGTH) {
+ AVB_RC_LOG_TRACE_RET(AVB_RC(OPENAVB_AVDECC_FAILURE | OPENAVBAVDECC_RC_BUFFER_TOO_SMALL), AVB_TRACE_AEM);
+ }
+
+ U8 *pSrc = pBuf;
+ openavb_aem_descriptor_audio_map_t *pDst = pDescriptor;
+
+ OCT_B2DNTOHS(pDst->descriptor_type, pSrc);
+ OCT_B2DNTOHS(pDst->descriptor_index, pSrc);
+ OCT_B2DNTOHS(pDst->mappings_offset, pSrc);
+ OCT_B2DNTOHS(pDst->number_of_mappings, pSrc);
+
+ if (bufLength < OPENAVB_DESCRIPTOR_AUDIO_MAP_BASE_LENGTH + (pDescriptor->number_of_mappings * OPENAVB_DESCRIPTOR_AUDIO_MAP_AUDIO_MAPPING_FORMAT_LENGTH)) {
+ AVB_RC_LOG_TRACE_RET(AVB_RC(OPENAVB_AVDECC_FAILURE | OPENAVBAVDECC_RC_BUFFER_TOO_SMALL), AVB_TRACE_AEM);
+ }
+
+ int i1;
+ for (i1 = 0; i1 < pDst->number_of_mappings; i1++) {
+ OCT_B2DNTOHS(pDst->mapping_formats[i1].mapping_stream_index, pSrc);
+ OCT_B2DNTOHS(pDst->mapping_formats[i1].mapping_stream_channel, pSrc);
+ OCT_B2DNTOHS(pDst->mapping_formats[i1].mapping_cluster_offset, pSrc);
+ OCT_B2DNTOHS(pDst->mapping_formats[i1].mapping_cluster_channel, pSrc);
+ }
+
+ AVB_RC_TRACE_RET(OPENAVB_AVDECC_SUCCESS, AVB_TRACE_AEM);
+}
+
+openavbRC openavbAemDescriptorAudioMapUpdate(void *pVoidDescriptor)
+{
+ AVB_TRACE_ENTRY(AVB_TRACE_AEM);
+
+ openavb_aem_descriptor_audio_map_t *pDescriptor = pVoidDescriptor;
+
+ if (!pDescriptor) {
+ AVB_RC_LOG_TRACE_RET(AVB_RC(OPENAVB_AVDECC_FAILURE | OPENAVB_RC_INVALID_ARGUMENT), AVB_TRACE_AEM);
+ }
+
+ // AVDECC_TODO - Any updates needed?
+
+ AVB_RC_TRACE_RET(OPENAVB_AVDECC_SUCCESS, AVB_TRACE_AEM);
+}
+
+////////////////////////////////
+// Public functions
+////////////////////////////////
+extern DLL_EXPORT openavb_aem_descriptor_audio_map_t *openavbAemDescriptorAudioMapNew()
+{
+ AVB_TRACE_ENTRY(AVB_TRACE_AEM);
+
+ openavb_aem_descriptor_audio_map_t *pDescriptor;
+
+ pDescriptor = malloc(sizeof(*pDescriptor));
+
+ if (!pDescriptor) {
+ AVB_RC_LOG(AVB_RC(OPENAVB_AVDECC_FAILURE | OPENAVB_RC_OUT_OF_MEMORY));
+ AVB_TRACE_EXIT(AVB_TRACE_AEM);
+ return NULL;
+ }
+ memset(pDescriptor, 0, sizeof(*pDescriptor));
+
+ pDescriptor->descriptorPvtPtr = malloc(sizeof(*pDescriptor->descriptorPvtPtr));
+ if (!pDescriptor->descriptorPvtPtr) {
+ free(pDescriptor);
+ pDescriptor = NULL;
+ AVB_RC_LOG(AVB_RC(OPENAVB_AVDECC_FAILURE | OPENAVB_RC_OUT_OF_MEMORY));
+ AVB_TRACE_EXIT(AVB_TRACE_AEM);
+ return NULL;
+ }
+
+ pDescriptor->descriptorPvtPtr->size = sizeof(openavb_aem_descriptor_audio_map_t);
+ pDescriptor->descriptorPvtPtr->bTopLevel = FALSE;
+ pDescriptor->descriptorPvtPtr->toBuf = openavbAemDescriptorAudioMapToBuf;
+ pDescriptor->descriptorPvtPtr->fromBuf = openavbAemDescriptorAudioMapFromBuf;
+ pDescriptor->descriptorPvtPtr->update = openavbAemDescriptorAudioMapUpdate;
+
+ pDescriptor->descriptor_type = OPENAVB_AEM_DESCRIPTOR_AUDIO_MAP;
+ pDescriptor->mappings_offset = OPENAVB_DESCRIPTOR_AUDIO_MAP_BASE_LENGTH;
+
+ AVB_TRACE_EXIT(AVB_TRACE_AEM);
+ return pDescriptor;
+}
+
|