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avformat/iamf_writer: constify some variables

James Almer committed 2 years ago

Commit 79c6ba91 parent 988e3a01 file · +11 −10Browse files

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libavformat/iamf_writer.c+11−10
@@ -277,7 +277,7 @@ int ff_iamf_add_audio_element(IAMFContext *iamf, const AVStreamGroup *stg, void · 276 unmodified lines
277 277
278 if (iamf_audio_element->demixing_info) {278 if (iamf_audio_element->demixing_info) {
279 AVIAMFParamDefinition *param = iamf_audio_element->demixing_info;279 AVIAMFParamDefinition *param = iamf_audio_element->demixing_info;
280 IAMFParamDefinition *param_definition = ff_iamf_get_param_definition(iamf, param->parameter_id);280 const IAMFParamDefinition *param_definition = ff_iamf_get_param_definition(iamf, param->parameter_id);
281 281
282 if (param->nb_subblocks != 1) {282 if (param->nb_subblocks != 1) {
283 av_log(log_ctx, AV_LOG_ERROR, "nb_subblocks in demixing_info for stream group %u is not 1\n", stg->index);283 av_log(log_ctx, AV_LOG_ERROR, "nb_subblocks in demixing_info for stream group %u is not 1\n", stg->index);
@@ -293,7 +293,7 @@ int ff_iamf_add_audio_element(IAMFContext *iamf, const AVStreamGroup *stg, void · 9 unmodified lines
293 }293 }
294 if (iamf_audio_element->recon_gain_info) {294 if (iamf_audio_element->recon_gain_info) {
295 AVIAMFParamDefinition *param = iamf_audio_element->recon_gain_info;295 AVIAMFParamDefinition *param = iamf_audio_element->recon_gain_info;
296 IAMFParamDefinition *param_definition = ff_iamf_get_param_definition(iamf, param->parameter_id);296 const IAMFParamDefinition *param_definition = ff_iamf_get_param_definition(iamf, param->parameter_id);
297 297
298 if (param->nb_subblocks != 1) {298 if (param->nb_subblocks != 1) {
299 av_log(log_ctx, AV_LOG_ERROR, "nb_subblocks in recon_gain_info for stream group %u is not 1\n", stg->index);299 av_log(log_ctx, AV_LOG_ERROR, "nb_subblocks in recon_gain_info for stream group %u is not 1\n", stg->index);
@@ -495,7 +495,7 @@ static int scalable_channel_layout_config(const IAMFAudioElement *audio_element, · 195 unmodified lines
495 flush_put_bits(&pb);495 flush_put_bits(&pb);
496 avio_write(dyn_bc, header, put_bytes_count(&pb, 1));496 avio_write(dyn_bc, header, put_bytes_count(&pb, 1));
497 for (int i = 0; i < element->nb_layers; i++) {497 for (int i = 0; i < element->nb_layers; i++) {
498 AVIAMFLayer *layer = element->layers[i];498 const AVIAMFLayer *layer = element->layers[i];
499 int layout;499 int layout;
500 for (layout = 0; layout < FF_ARRAY_ELEMS(ff_iamf_scalable_ch_layouts); layout++) {500 for (layout = 0; layout < FF_ARRAY_ELEMS(ff_iamf_scalable_ch_layouts); layout++) {
501 if (!av_channel_layout_compare(&layer->ch_layout, &ff_iamf_scalable_ch_layouts[layout]))501 if (!av_channel_layout_compare(&layer->ch_layout, &ff_iamf_scalable_ch_layouts[layout]))
@@ -524,7 +524,7 @@ static int ambisonics_config(const IAMFAudioElement *audio_element, · 22 unmodified lines
524 AVIOContext *dyn_bc)524 AVIOContext *dyn_bc)
525{525{
526 const AVIAMFAudioElement *element = audio_element->celement;526 const AVIAMFAudioElement *element = audio_element->celement;
527 AVIAMFLayer *layer = element->layers[0];527 const AVIAMFLayer *layer = element->layers[0];
528 528
529 ffio_write_leb(dyn_bc, 0); // ambisonics_mode529 ffio_write_leb(dyn_bc, 0); // ambisonics_mode
530 ffio_write_leb(dyn_bc, layer->ch_layout.nb_channels); // output_channel_count530 ffio_write_leb(dyn_bc, layer->ch_layout.nb_channels); // output_channel_count
@@ -857,7 +857,7 @@ static int write_parameter_block(const IAMFContext *iamf, AVIOContext *pb, · 326 unmodified lines
857 const AVIAMFParamDefinition *param, void *log_ctx)857 const AVIAMFParamDefinition *param, void *log_ctx)
858{858{
859 uint8_t header[MAX_IAMF_OBU_HEADER_SIZE];859 uint8_t header[MAX_IAMF_OBU_HEADER_SIZE];
860 IAMFParamDefinition *param_definition = ff_iamf_get_param_definition(iamf, param->parameter_id);860 const IAMFParamDefinition *param_definition = ff_iamf_get_param_definition(iamf, param->parameter_id);
861 PutBitContext pbc;861 PutBitContext pbc;
862 AVIOContext *dyn_bc;862 AVIOContext *dyn_bc;
863 uint8_t *dyn_buf = NULL;863 uint8_t *dyn_buf = NULL;
@@ -1034,7 +1034,8 @@ int ff_iamf_write_audio_frame(const IAMFContext *iamf, AVIOContext *pb, · 170 unmodified lines
1034 uint8_t header[MAX_IAMF_OBU_HEADER_SIZE];1034 uint8_t header[MAX_IAMF_OBU_HEADER_SIZE];
1035 PutBitContext pbc;1035 PutBitContext pbc;
1036 AVIOContext *dyn_bc;1036 AVIOContext *dyn_bc;
1037 uint8_t *side_data, *dyn_buf = NULL;1037 const uint8_t *side_data;
1038 uint8_t *dyn_buf = NULL;
1038 unsigned int skip_samples = 0, discard_padding = 0;1039 unsigned int skip_samples = 0, discard_padding = 0;
1039 size_t side_data_size;1040 size_t side_data_size;
1040 int dyn_size, type = audio_substream_id <= 17 ?1041 int dyn_size, type = audio_substream_id <= 17 ?
@@ -1042,12 +1043,12 @@ int ff_iamf_write_audio_frame(const IAMFContext *iamf, AVIOContext *pb, · 1 unmodified line
1042 int ret;1043 int ret;
1043 1044
1044 if (!pkt->size) {1045 if (!pkt->size) {
1045 IAMFAudioElement *audio_element;1046 const IAMFAudioElement *audio_element;
1046 IAMFCodecConfig *codec_config;1047 IAMFCodecConfig *codec_config;
1047 size_t new_extradata_size;1048 size_t new_extradata_size;
1048 uint8_t *new_extradata = av_packet_get_side_data(pkt,1049 const uint8_t *new_extradata = av_packet_get_side_data(pkt,
1049 AV_PKT_DATA_NEW_EXTRADATA,1050 AV_PKT_DATA_NEW_EXTRADATA,
1050 &new_extradata_size);1051 &new_extradata_size);
1051 1052
1052 if (!new_extradata)1053 if (!new_extradata)
1053 return AVERROR_INVALIDDATA;1054 return AVERROR_INVALIDDATA;

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