74                        int channels, int nb_samples,  in ff_audio_data_init()  argument
104     a->allocated_samples  = nb_samples * !read_only;  in ff_audio_data_init()
105     a->nb_samples         = nb_samples;  in ff_audio_data_init()
119 AudioData *ff_audio_data_alloc(int channels, int nb_samples,  in ff_audio_data_alloc()  argument
149     if (nb_samples > 0) {  in ff_audio_data_alloc()
150         ret = ff_audio_data_realloc(a, nb_samples);  in ff_audio_data_alloc()
162 int ff_audio_data_realloc(AudioData *a, int nb_samples)  in ff_audio_data_realloc()  argument
167     if (a->allocated_samples >= nb_samples)  in ff_audio_data_realloc()
175                                               a->allocated_channels, nb_samples,  in ff_audio_data_realloc()
183     if (a->nb_samples > 0 && a->is_planar) {  in ff_audio_data_realloc()
187                                nb_samples, a->sample_fmt, 0);  in ff_audio_data_realloc()
192             memcpy(new_data[p], a->data[p], a->nb_samples * a->stride);  in ff_audio_data_realloc()
203                                      a->allocated_channels, nb_samples,  in ff_audio_data_realloc()
209     a->allocated_samples = nb_samples;  in ff_audio_data_realloc()
239     if (!src->nb_samples) {  in ff_audio_data_copy()
240         dst->nb_samples = 0;  in ff_audio_data_copy()
245     ret = ff_audio_data_realloc(dst, src->nb_samples);  in ff_audio_data_copy()
255                            src->nb_samples * src->stride);  in ff_audio_data_copy()
262                            src->nb_samples * src->stride);  in ff_audio_data_copy()
264                     av_samples_set_silence(&dst->data[p], 0, src->nb_samples,  in ff_audio_data_copy()
270             memcpy(dst->data[p], src->data[p], src->nb_samples * src->stride);  in ff_audio_data_copy()
273     dst->nb_samples = src->nb_samples;  in ff_audio_data_copy()
279                           int src_offset, int nb_samples)  in ff_audio_data_combine()  argument
290     if (dst_offset < 0 || dst_offset > dst->nb_samples ||  in ff_audio_data_combine()
291         src_offset < 0 || src_offset > src->nb_samples) {  in ff_audio_data_combine()
298     if (nb_samples > src->nb_samples - src_offset)  in ff_audio_data_combine()
299         nb_samples = src->nb_samples - src_offset;  in ff_audio_data_combine()
300     if (nb_samples <= 0)  in ff_audio_data_combine()
310     ret = ff_audio_data_realloc(dst, dst->nb_samples + nb_samples);  in ff_audio_data_combine()
316     dst_offset2   = dst_offset + nb_samples;  in ff_audio_data_combine()
317     dst_move_size = dst->nb_samples - dst_offset;  in ff_audio_data_combine()
327                nb_samples * src->stride);  in ff_audio_data_combine()
329     dst->nb_samples += nb_samples;  in ff_audio_data_combine()
334 void ff_audio_data_drain(AudioData *a, int nb_samples)  in ff_audio_data_drain()  argument
336     if (a->nb_samples <= nb_samples) {  in ff_audio_data_drain()
338         a->nb_samples = 0;  in ff_audio_data_drain()
341         int move_offset = a->stride * nb_samples;  in ff_audio_data_drain()
342         int move_size   = a->stride * (a->nb_samples - nb_samples);  in ff_audio_data_drain()
347         a->nb_samples -= nb_samples;  in ff_audio_data_drain()
352                               int nb_samples)  in ff_audio_data_add_to_fifo()  argument
357     if (offset >= a->nb_samples)  in ff_audio_data_add_to_fifo()
363     return av_audio_fifo_write(af, (void **)offset_data, nb_samples);  in ff_audio_data_add_to_fifo()
366 int ff_audio_data_read_from_fifo(AVAudioFifo *af, AudioData *a, int nb_samples)  in ff_audio_data_read_from_fifo()  argument
373     ret = ff_audio_data_realloc(a, nb_samples);  in ff_audio_data_read_from_fifo()
377     ret = av_audio_fifo_read(af, (void **)a->data, nb_samples);  in ff_audio_data_read_from_fifo()
379         a->nb_samples = ret;  in ff_audio_data_read_from_fifo()