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avformat/iamf_writer: constify some variables

James Almer committed 2 years ago

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

Unified · Split

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
277277
278278 if (iamf_audio_element->demixing_info) {
279279 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);
281281
282282 if (param->nb_subblocks != 1) {
283283 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
293293 }
294294 if (iamf_audio_element->recon_gain_info) {
295295 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);
297297
298298 if (param->nb_subblocks != 1) {
299299 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
495495 flush_put_bits(&pb);
496496 avio_write(dyn_bc, header, put_bytes_count(&pb, 1));
497497 for (int i = 0; i < element->nb_layers; i++) {
498− AVIAMFLayer *layer = element->layers[i];
498+ const AVIAMFLayer *layer = element->layers[i];
499499 int layout;
500500 for (layout = 0; layout < FF_ARRAY_ELEMS(ff_iamf_scalable_ch_layouts); layout++) {
501501 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
524524 AVIOContext *dyn_bc)
525525 {
526526 const AVIAMFAudioElement *element = audio_element->celement;
527− AVIAMFLayer *layer = element->layers[0];
527+ const AVIAMFLayer *layer = element->layers[0];
528528
529529 ffio_write_leb(dyn_bc, 0); // ambisonics_mode
530530 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
857857 const AVIAMFParamDefinition *param, void *log_ctx)
858858 {
859859 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);
861861 PutBitContext pbc;
862862 AVIOContext *dyn_bc;
863863 uint8_t *dyn_buf = NULL;
@@ -1034,7 +1034,8 @@ int ff_iamf_write_audio_frame(const IAMFContext *iamf, AVIOContext *pb, · 170 unmodified lines
10341034 uint8_t header[MAX_IAMF_OBU_HEADER_SIZE];
10351035 PutBitContext pbc;
10361036 AVIOContext *dyn_bc;
1037− uint8_t *side_data, *dyn_buf = NULL;
1037+ const uint8_t *side_data;
1038+ uint8_t *dyn_buf = NULL;
10381039 unsigned int skip_samples = 0, discard_padding = 0;
10391040 size_t side_data_size;
10401041 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
10421043 int ret;
10431044
10441045 if (!pkt->size) {
1045− IAMFAudioElement *audio_element;
1046+ const IAMFAudioElement *audio_element;
10461047 IAMFCodecConfig *codec_config;
10471048 size_t new_extradata_size;
1048− uint8_t *new_extradata = av_packet_get_side_data(pkt,
1049− AV_PKT_DATA_NEW_EXTRADATA,
1050− &new_extradata_size);
1049+ const uint8_t *new_extradata = av_packet_get_side_data(pkt,
1050+ AV_PKT_DATA_NEW_EXTRADATA,
1051+ &new_extradata_size);
10511052
10521053 if (!new_extradata)
10531054 return AVERROR_INVALIDDATA;

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