mirror of
https://git.ffmpeg.org/ffmpeg.git
synced 2024-12-15 03:34:56 +00:00
088bf6e8c1
Signed-off-by: James Almer <jamrial@gmail.com>
564 lines
22 KiB
C
564 lines
22 KiB
C
/*
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* Immersive Audio Model and Formats helper functions and defines
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <limits.h>
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#include <stddef.h>
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#include <stdint.h>
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#include "avassert.h"
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#include "error.h"
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#include "iamf.h"
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#include "log.h"
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#include "mem.h"
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#include "opt.h"
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#define IAMF_ADD_FUNC_TEMPLATE(parent_type, parent_name, child_type, child_name, suffix) \
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child_type *av_iamf_ ## parent_name ## _add_ ## child_name(parent_type *parent_name) \
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{ \
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child_type **child_name ## suffix, *child_name; \
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\
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if (parent_name->nb_## child_name ## suffix == UINT_MAX) \
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return NULL; \
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\
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child_name ## suffix = av_realloc_array(parent_name->child_name ## suffix, \
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parent_name->nb_## child_name ## suffix + 1, \
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sizeof(*parent_name->child_name ## suffix)); \
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if (!child_name ## suffix) \
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return NULL; \
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\
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parent_name->child_name ## suffix = child_name ## suffix; \
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\
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child_name = parent_name->child_name ## suffix[parent_name->nb_## child_name ## suffix] \
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= av_mallocz(sizeof(*child_name)); \
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if (!child_name) \
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return NULL; \
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\
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child_name->av_class = &child_name ## _class; \
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av_opt_set_defaults(child_name); \
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parent_name->nb_## child_name ## suffix++; \
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\
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return child_name; \
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}
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#define FLAGS AV_OPT_FLAG_ENCODING_PARAM
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//
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// Param Definition
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//
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#define OFFSET(x) offsetof(AVIAMFMixGain, x)
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static const AVOption mix_gain_options[] = {
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{ "subblock_duration", "set subblock_duration", OFFSET(subblock_duration), AV_OPT_TYPE_UINT, {.i64 = 1 }, 1, UINT_MAX, FLAGS },
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{ "animation_type", "set animation_type", OFFSET(animation_type), AV_OPT_TYPE_UINT, {.i64 = 0 }, 0, 2, FLAGS },
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{ "start_point_value", "set start_point_value", OFFSET(start_point_value), AV_OPT_TYPE_RATIONAL, {.dbl = 0 }, -128.0, 128.0, FLAGS },
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{ "end_point_value", "set end_point_value", OFFSET(end_point_value), AV_OPT_TYPE_RATIONAL, {.dbl = 0 }, -128.0, 128.0, FLAGS },
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{ "control_point_value", "set control_point_value", OFFSET(control_point_value), AV_OPT_TYPE_RATIONAL, {.dbl = 0 }, -128.0, 128.0, FLAGS },
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{ "control_point_relative_time", "set control_point_relative_time", OFFSET(control_point_relative_time), AV_OPT_TYPE_RATIONAL, {.dbl = 0 }, 0.0, 1.0, FLAGS },
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{ NULL },
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};
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static const AVClass mix_gain_class = {
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.class_name = "AVIAMFMixGain",
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.item_name = av_default_item_name,
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.version = LIBAVUTIL_VERSION_INT,
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.option = mix_gain_options,
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};
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#undef OFFSET
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#define OFFSET(x) offsetof(AVIAMFDemixingInfo, x)
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static const AVOption demixing_info_options[] = {
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{ "subblock_duration", "set subblock_duration", OFFSET(subblock_duration), AV_OPT_TYPE_UINT, {.i64 = 1 }, 1, UINT_MAX, FLAGS },
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{ "dmixp_mode", "set dmixp_mode", OFFSET(dmixp_mode), AV_OPT_TYPE_UINT, {.i64 = 0 }, 0, 6, FLAGS },
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{ NULL },
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};
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static const AVClass demixing_info_class = {
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.class_name = "AVIAMFDemixingInfo",
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.item_name = av_default_item_name,
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.version = LIBAVUTIL_VERSION_INT,
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.option = demixing_info_options,
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};
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#undef OFFSET
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#define OFFSET(x) offsetof(AVIAMFReconGain, x)
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static const AVOption recon_gain_options[] = {
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{ "subblock_duration", "set subblock_duration", OFFSET(subblock_duration), AV_OPT_TYPE_UINT, {.i64 = 1 }, 1, UINT_MAX, FLAGS },
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{ NULL },
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};
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static const AVClass recon_gain_class = {
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.class_name = "AVIAMFReconGain",
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.item_name = av_default_item_name,
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.version = LIBAVUTIL_VERSION_INT,
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.option = recon_gain_options,
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};
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#undef OFFSET
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#define OFFSET(x) offsetof(AVIAMFParamDefinition, x)
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static const AVOption param_definition_options[] = {
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{ "parameter_id", "set parameter_id", OFFSET(parameter_id), AV_OPT_TYPE_UINT, {.i64 = 0 }, 0, UINT_MAX, FLAGS },
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{ "parameter_rate", "set parameter_rate", OFFSET(parameter_rate), AV_OPT_TYPE_UINT, {.i64 = 0 }, 0, UINT_MAX, FLAGS },
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{ "duration", "set duration", OFFSET(duration), AV_OPT_TYPE_UINT, {.i64 = 0 }, 0, UINT_MAX, FLAGS },
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{ "constant_subblock_duration", "set constant_subblock_duration", OFFSET(constant_subblock_duration), AV_OPT_TYPE_UINT, {.i64 = 0 }, 0, UINT_MAX, FLAGS },
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{ NULL },
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};
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static const AVClass *param_definition_child_iterate(void **opaque)
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{
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uintptr_t i = (uintptr_t)*opaque;
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const AVClass *ret = NULL;
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switch(i) {
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case AV_IAMF_PARAMETER_DEFINITION_MIX_GAIN:
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ret = &mix_gain_class;
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break;
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case AV_IAMF_PARAMETER_DEFINITION_DEMIXING:
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ret = &demixing_info_class;
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break;
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case AV_IAMF_PARAMETER_DEFINITION_RECON_GAIN:
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ret = &recon_gain_class;
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break;
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default:
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break;
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}
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if (ret)
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*opaque = (void*)(i + 1);
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return ret;
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}
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static const AVClass param_definition_class = {
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.class_name = "AVIAMFParamDefinition",
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.item_name = av_default_item_name,
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.version = LIBAVUTIL_VERSION_INT,
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.option = param_definition_options,
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.child_class_iterate = param_definition_child_iterate,
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};
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const AVClass *av_iamf_param_definition_get_class(void)
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{
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return ¶m_definition_class;
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}
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AVIAMFParamDefinition *av_iamf_param_definition_alloc(enum AVIAMFParamDefinitionType type,
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unsigned int nb_subblocks, size_t *out_size)
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{
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struct MixGainStruct {
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AVIAMFParamDefinition p;
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AVIAMFMixGain m;
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};
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struct DemixStruct {
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AVIAMFParamDefinition p;
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AVIAMFDemixingInfo d;
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};
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struct ReconGainStruct {
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AVIAMFParamDefinition p;
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AVIAMFReconGain r;
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};
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size_t subblocks_offset, subblock_size;
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size_t size;
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AVIAMFParamDefinition *par;
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switch (type) {
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case AV_IAMF_PARAMETER_DEFINITION_MIX_GAIN:
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subblocks_offset = offsetof(struct MixGainStruct, m);
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subblock_size = sizeof(AVIAMFMixGain);
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break;
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case AV_IAMF_PARAMETER_DEFINITION_DEMIXING:
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subblocks_offset = offsetof(struct DemixStruct, d);
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subblock_size = sizeof(AVIAMFDemixingInfo);
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break;
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case AV_IAMF_PARAMETER_DEFINITION_RECON_GAIN:
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subblocks_offset = offsetof(struct ReconGainStruct, r);
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subblock_size = sizeof(AVIAMFReconGain);
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break;
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default:
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return NULL;
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}
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size = subblocks_offset;
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if (nb_subblocks > (SIZE_MAX - size) / subblock_size)
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return NULL;
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size += subblock_size * nb_subblocks;
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par = av_mallocz(size);
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if (!par)
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return NULL;
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par->av_class = ¶m_definition_class;
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av_opt_set_defaults(par);
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par->type = type;
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par->nb_subblocks = nb_subblocks;
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par->subblock_size = subblock_size;
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par->subblocks_offset = subblocks_offset;
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for (int i = 0; i < nb_subblocks; i++) {
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void *subblock = av_iamf_param_definition_get_subblock(par, i);
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switch (type) {
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case AV_IAMF_PARAMETER_DEFINITION_MIX_GAIN:
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((AVIAMFMixGain *)subblock)->av_class = &mix_gain_class;
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break;
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case AV_IAMF_PARAMETER_DEFINITION_DEMIXING:
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((AVIAMFDemixingInfo *)subblock)->av_class = &demixing_info_class;
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break;
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case AV_IAMF_PARAMETER_DEFINITION_RECON_GAIN:
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((AVIAMFReconGain *)subblock)->av_class = &recon_gain_class;
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break;
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default:
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av_assert0(0);
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}
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av_opt_set_defaults(subblock);
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}
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if (out_size)
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*out_size = size;
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return par;
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}
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//
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// Audio Element
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//
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#undef OFFSET
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#define OFFSET(x) offsetof(AVIAMFLayer, x)
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static const AVOption layer_options[] = {
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{ "ch_layout", "set ch_layout", OFFSET(ch_layout), AV_OPT_TYPE_CHLAYOUT, {.str = NULL }, 0, 0, FLAGS },
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{ "flags", "set flags", OFFSET(flags), AV_OPT_TYPE_FLAGS,
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{.i64 = 0 }, 0, AV_IAMF_LAYER_FLAG_RECON_GAIN, FLAGS, .unit = "flags" },
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{"recon_gain", "Recon gain is present", 0, AV_OPT_TYPE_CONST,
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{.i64 = AV_IAMF_LAYER_FLAG_RECON_GAIN }, INT_MIN, INT_MAX, FLAGS, .unit = "flags"},
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{ "output_gain_flags", "set output_gain_flags", OFFSET(output_gain_flags), AV_OPT_TYPE_FLAGS,
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{.i64 = 0 }, 0, (1 << 6) - 1, FLAGS, .unit = "output_gain_flags" },
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{"FL", "Left channel", 0, AV_OPT_TYPE_CONST,
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{.i64 = 1 << 5 }, INT_MIN, INT_MAX, FLAGS, .unit = "output_gain_flags"},
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{"FR", "Right channel", 0, AV_OPT_TYPE_CONST,
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{.i64 = 1 << 4 }, INT_MIN, INT_MAX, FLAGS, .unit = "output_gain_flags"},
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{"BL", "Left surround channel", 0, AV_OPT_TYPE_CONST,
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{.i64 = 1 << 3 }, INT_MIN, INT_MAX, FLAGS, .unit = "output_gain_flags"},
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{"BR", "Right surround channel", 0, AV_OPT_TYPE_CONST,
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{.i64 = 1 << 2 }, INT_MIN, INT_MAX, FLAGS, .unit = "output_gain_flags"},
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{"TFL", "Left top front channel", 0, AV_OPT_TYPE_CONST,
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{.i64 = 1 << 1 }, INT_MIN, INT_MAX, FLAGS, .unit = "output_gain_flags"},
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{"TFR", "Right top front channel", 0, AV_OPT_TYPE_CONST,
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{.i64 = 1 << 0 }, INT_MIN, INT_MAX, FLAGS, .unit = "output_gain_flags"},
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{ "output_gain", "set output_gain", OFFSET(output_gain), AV_OPT_TYPE_RATIONAL, { .dbl = 0 }, -128.0, 128.0, FLAGS },
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{ "ambisonics_mode", "set ambisonics_mode", OFFSET(ambisonics_mode), AV_OPT_TYPE_INT,
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{ .i64 = AV_IAMF_AMBISONICS_MODE_MONO },
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AV_IAMF_AMBISONICS_MODE_MONO, AV_IAMF_AMBISONICS_MODE_PROJECTION, FLAGS, .unit = "ambisonics_mode" },
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{ "mono", NULL, 0, AV_OPT_TYPE_CONST,
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{ .i64 = AV_IAMF_AMBISONICS_MODE_MONO }, .unit = "ambisonics_mode" },
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{ "projection", NULL, 0, AV_OPT_TYPE_CONST,
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{ .i64 = AV_IAMF_AMBISONICS_MODE_PROJECTION }, .unit = "ambisonics_mode" },
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{ NULL },
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};
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static const AVClass layer_class = {
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.class_name = "AVIAMFLayer",
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.item_name = av_default_item_name,
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.version = LIBAVUTIL_VERSION_INT,
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.option = layer_options,
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};
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#undef OFFSET
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#define OFFSET(x) offsetof(AVIAMFAudioElement, x)
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static const AVOption audio_element_options[] = {
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{ "audio_element_type", "set audio_element_type", OFFSET(audio_element_type), AV_OPT_TYPE_INT,
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{.i64 = AV_IAMF_AUDIO_ELEMENT_TYPE_CHANNEL },
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AV_IAMF_AUDIO_ELEMENT_TYPE_CHANNEL, AV_IAMF_AUDIO_ELEMENT_TYPE_SCENE, FLAGS, .unit = "audio_element_type" },
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{ "channel", NULL, 0, AV_OPT_TYPE_CONST,
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{ .i64 = AV_IAMF_AUDIO_ELEMENT_TYPE_CHANNEL }, .unit = "audio_element_type" },
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{ "scene", NULL, 0, AV_OPT_TYPE_CONST,
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{ .i64 = AV_IAMF_AUDIO_ELEMENT_TYPE_SCENE }, .unit = "audio_element_type" },
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{ "default_w", "set default_w", OFFSET(default_w), AV_OPT_TYPE_UINT, {.i64 = 0 }, 0, 10, FLAGS },
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{ NULL },
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};
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static const AVClass *audio_element_child_iterate(void **opaque)
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{
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uintptr_t i = (uintptr_t)*opaque;
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const AVClass *ret = NULL;
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if (i)
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ret = &layer_class;
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if (ret)
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*opaque = (void*)(i + 1);
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return ret;
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}
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static const AVClass audio_element_class = {
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.class_name = "AVIAMFAudioElement",
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.item_name = av_default_item_name,
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.version = LIBAVUTIL_VERSION_INT,
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.option = audio_element_options,
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.child_class_iterate = audio_element_child_iterate,
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};
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const AVClass *av_iamf_audio_element_get_class(void)
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{
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return &audio_element_class;
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}
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AVIAMFAudioElement *av_iamf_audio_element_alloc(void)
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{
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AVIAMFAudioElement *audio_element = av_mallocz(sizeof(*audio_element));
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if (audio_element) {
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audio_element->av_class = &audio_element_class;
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av_opt_set_defaults(audio_element);
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}
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return audio_element;
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}
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IAMF_ADD_FUNC_TEMPLATE(AVIAMFAudioElement, audio_element, AVIAMFLayer, layer, s)
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void av_iamf_audio_element_free(AVIAMFAudioElement **paudio_element)
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{
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AVIAMFAudioElement *audio_element = *paudio_element;
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if (!audio_element)
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return;
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for (int i = 0; i < audio_element->nb_layers; i++) {
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AVIAMFLayer *layer = audio_element->layers[i];
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av_opt_free(layer);
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av_free(layer->demixing_matrix);
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av_free(layer);
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}
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av_free(audio_element->layers);
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av_free(audio_element->demixing_info);
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av_free(audio_element->recon_gain_info);
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av_freep(paudio_element);
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}
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//
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// Mix Presentation
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//
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#undef OFFSET
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#define OFFSET(x) offsetof(AVIAMFSubmixElement, x)
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static const AVOption submix_element_options[] = {
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{ "headphones_rendering_mode", "Headphones rendering mode", OFFSET(headphones_rendering_mode), AV_OPT_TYPE_INT,
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{ .i64 = AV_IAMF_HEADPHONES_MODE_STEREO },
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AV_IAMF_HEADPHONES_MODE_STEREO, AV_IAMF_HEADPHONES_MODE_BINAURAL, FLAGS, .unit = "headphones_rendering_mode" },
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{ "stereo", NULL, 0, AV_OPT_TYPE_CONST,
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{ .i64 = AV_IAMF_HEADPHONES_MODE_STEREO }, .unit = "headphones_rendering_mode" },
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{ "binaural", NULL, 0, AV_OPT_TYPE_CONST,
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{ .i64 = AV_IAMF_HEADPHONES_MODE_BINAURAL }, .unit = "headphones_rendering_mode" },
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{ "default_mix_gain", "Default mix gain", OFFSET(default_mix_gain), AV_OPT_TYPE_RATIONAL, { .dbl = 0 }, -128.0, 128.0, FLAGS },
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{ "annotations", "Annotations", OFFSET(annotations), AV_OPT_TYPE_DICT, { .str = NULL }, 0, 0, FLAGS },
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{ NULL },
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};
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static void *submix_element_child_next(void *obj, void *prev)
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{
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AVIAMFSubmixElement *submix_element = obj;
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if (!prev)
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return submix_element->element_mix_config;
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return NULL;
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}
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static const AVClass *submix_element_child_iterate(void **opaque)
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{
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uintptr_t i = (uintptr_t)*opaque;
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const AVClass *ret = NULL;
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if (i)
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ret = ¶m_definition_class;
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if (ret)
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*opaque = (void*)(i + 1);
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return ret;
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}
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static const AVClass element_class = {
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.class_name = "AVIAMFSubmixElement",
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.item_name = av_default_item_name,
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.version = LIBAVUTIL_VERSION_INT,
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.option = submix_element_options,
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.child_next = submix_element_child_next,
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.child_class_iterate = submix_element_child_iterate,
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};
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IAMF_ADD_FUNC_TEMPLATE(AVIAMFSubmix, submix, AVIAMFSubmixElement, element, s)
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#undef OFFSET
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#define OFFSET(x) offsetof(AVIAMFSubmixLayout, x)
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static const AVOption submix_layout_options[] = {
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{ "layout_type", "Layout type", OFFSET(layout_type), AV_OPT_TYPE_INT,
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{ .i64 = AV_IAMF_SUBMIX_LAYOUT_TYPE_LOUDSPEAKERS },
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AV_IAMF_SUBMIX_LAYOUT_TYPE_LOUDSPEAKERS, AV_IAMF_SUBMIX_LAYOUT_TYPE_BINAURAL, FLAGS, .unit = "layout_type" },
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{ "loudspeakers", NULL, 0, AV_OPT_TYPE_CONST,
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{ .i64 = AV_IAMF_SUBMIX_LAYOUT_TYPE_LOUDSPEAKERS }, .unit = "layout_type" },
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{ "binaural", NULL, 0, AV_OPT_TYPE_CONST,
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{ .i64 = AV_IAMF_SUBMIX_LAYOUT_TYPE_BINAURAL }, .unit = "layout_type" },
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{ "sound_system", "Sound System", OFFSET(sound_system), AV_OPT_TYPE_CHLAYOUT, { .str = NULL }, 0, 0, FLAGS },
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{ "integrated_loudness", "Integrated loudness", OFFSET(integrated_loudness), AV_OPT_TYPE_RATIONAL, { .dbl = 0 }, -128.0, 128.0, FLAGS },
|
|
{ "digital_peak", "Digital peak", OFFSET(digital_peak), AV_OPT_TYPE_RATIONAL, { .dbl = 0 }, -128.0, 128.0, FLAGS },
|
|
{ "true_peak", "True peak", OFFSET(true_peak), AV_OPT_TYPE_RATIONAL, { .dbl = 0 }, -128.0, 128.0, FLAGS },
|
|
{ "dialog_anchored_loudness", "Anchored loudness (Dialog)", OFFSET(dialogue_anchored_loudness), AV_OPT_TYPE_RATIONAL, { .dbl = 0 }, -128.0, 128.0, FLAGS },
|
|
{ "album_anchored_loudness", "Anchored loudness (Album)", OFFSET(album_anchored_loudness), AV_OPT_TYPE_RATIONAL, { .dbl = 0 }, -128.0, 128.0, FLAGS },
|
|
{ NULL },
|
|
};
|
|
|
|
static const AVClass layout_class = {
|
|
.class_name = "AVIAMFSubmixLayout",
|
|
.item_name = av_default_item_name,
|
|
.version = LIBAVUTIL_VERSION_INT,
|
|
.option = submix_layout_options,
|
|
};
|
|
|
|
IAMF_ADD_FUNC_TEMPLATE(AVIAMFSubmix, submix, AVIAMFSubmixLayout, layout, s)
|
|
|
|
#undef OFFSET
|
|
#define OFFSET(x) offsetof(AVIAMFSubmix, x)
|
|
static const AVOption submix_presentation_options[] = {
|
|
{ "default_mix_gain", "Default mix gain", OFFSET(default_mix_gain), AV_OPT_TYPE_RATIONAL, { .dbl = 0 }, -128.0, 128.0, FLAGS },
|
|
{ NULL },
|
|
};
|
|
|
|
static void *submix_presentation_child_next(void *obj, void *prev)
|
|
{
|
|
AVIAMFSubmix *sub_mix = obj;
|
|
if (!prev)
|
|
return sub_mix->output_mix_config;
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static const AVClass *submix_presentation_child_iterate(void **opaque)
|
|
{
|
|
uintptr_t i = (uintptr_t)*opaque;
|
|
const AVClass *ret = NULL;
|
|
|
|
switch(i) {
|
|
case 0:
|
|
ret = &element_class;
|
|
break;
|
|
case 1:
|
|
ret = &layout_class;
|
|
break;
|
|
case 2:
|
|
ret = ¶m_definition_class;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
if (ret)
|
|
*opaque = (void*)(i + 1);
|
|
return ret;
|
|
}
|
|
|
|
static const AVClass submix_class = {
|
|
.class_name = "AVIAMFSubmix",
|
|
.item_name = av_default_item_name,
|
|
.version = LIBAVUTIL_VERSION_INT,
|
|
.option = submix_presentation_options,
|
|
.child_next = submix_presentation_child_next,
|
|
.child_class_iterate = submix_presentation_child_iterate,
|
|
};
|
|
|
|
#undef OFFSET
|
|
#define OFFSET(x) offsetof(AVIAMFMixPresentation, x)
|
|
static const AVOption mix_presentation_options[] = {
|
|
{ "annotations", "set annotations", OFFSET(annotations), AV_OPT_TYPE_DICT, {.str = NULL }, 0, 0, FLAGS },
|
|
{ NULL },
|
|
};
|
|
|
|
#undef OFFSET
|
|
#undef FLAGS
|
|
|
|
static const AVClass *mix_presentation_child_iterate(void **opaque)
|
|
{
|
|
uintptr_t i = (uintptr_t)*opaque;
|
|
const AVClass *ret = NULL;
|
|
|
|
if (i)
|
|
ret = &submix_class;
|
|
|
|
if (ret)
|
|
*opaque = (void*)(i + 1);
|
|
return ret;
|
|
}
|
|
|
|
static const AVClass mix_presentation_class = {
|
|
.class_name = "AVIAMFMixPresentation",
|
|
.item_name = av_default_item_name,
|
|
.version = LIBAVUTIL_VERSION_INT,
|
|
.option = mix_presentation_options,
|
|
.child_class_iterate = mix_presentation_child_iterate,
|
|
};
|
|
|
|
const AVClass *av_iamf_mix_presentation_get_class(void)
|
|
{
|
|
return &mix_presentation_class;
|
|
}
|
|
|
|
AVIAMFMixPresentation *av_iamf_mix_presentation_alloc(void)
|
|
{
|
|
AVIAMFMixPresentation *mix_presentation = av_mallocz(sizeof(*mix_presentation));
|
|
|
|
if (mix_presentation) {
|
|
mix_presentation->av_class = &mix_presentation_class;
|
|
av_opt_set_defaults(mix_presentation);
|
|
}
|
|
|
|
return mix_presentation;
|
|
}
|
|
|
|
IAMF_ADD_FUNC_TEMPLATE(AVIAMFMixPresentation, mix_presentation, AVIAMFSubmix, submix, es)
|
|
|
|
void av_iamf_mix_presentation_free(AVIAMFMixPresentation **pmix_presentation)
|
|
{
|
|
AVIAMFMixPresentation *mix_presentation = *pmix_presentation;
|
|
|
|
if (!mix_presentation)
|
|
return;
|
|
|
|
for (int i = 0; i < mix_presentation->nb_submixes; i++) {
|
|
AVIAMFSubmix *sub_mix = mix_presentation->submixes[i];
|
|
for (int j = 0; j < sub_mix->nb_elements; j++) {
|
|
AVIAMFSubmixElement *submix_element = sub_mix->elements[j];
|
|
av_opt_free(submix_element);
|
|
av_free(submix_element->element_mix_config);
|
|
av_free(submix_element);
|
|
}
|
|
av_free(sub_mix->elements);
|
|
for (int j = 0; j < sub_mix->nb_layouts; j++) {
|
|
AVIAMFSubmixLayout *submix_layout = sub_mix->layouts[j];
|
|
av_opt_free(submix_layout);
|
|
av_free(submix_layout);
|
|
}
|
|
av_free(sub_mix->layouts);
|
|
av_free(sub_mix->output_mix_config);
|
|
av_free(sub_mix);
|
|
}
|
|
av_opt_free(mix_presentation);
|
|
av_free(mix_presentation->submixes);
|
|
|
|
av_freep(pmix_presentation);
|
|
}
|