mirror of https://git.ffmpeg.org/ffmpeg.git
alac: factor out output_size check in predictor_decompress_fir_adapt()
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@ -173,10 +173,10 @@ static void predictor_decompress_fir_adapt(int32_t *error_buffer,
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/* first sample always copies */
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/* first sample always copies */
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*buffer_out = *error_buffer;
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*buffer_out = *error_buffer;
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if (!predictor_coef_num) {
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if (output_size <= 1)
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if (output_size <= 1)
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return;
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return;
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if (!predictor_coef_num) {
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memcpy(&buffer_out[1], &error_buffer[1],
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memcpy(&buffer_out[1], &error_buffer[1],
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(output_size - 1) * sizeof(*buffer_out));
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(output_size - 1) * sizeof(*buffer_out));
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return;
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return;
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@ -184,8 +184,6 @@ static void predictor_decompress_fir_adapt(int32_t *error_buffer,
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if (predictor_coef_num == 31) {
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if (predictor_coef_num == 31) {
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/* simple 1st-order prediction */
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/* simple 1st-order prediction */
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if (output_size <= 1)
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return;
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for (i = 1; i < output_size; i++) {
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for (i = 1; i < output_size; i++) {
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buffer_out[i] = sign_extend(buffer_out[i - 1] + error_buffer[i],
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buffer_out[i] = sign_extend(buffer_out[i - 1] + error_buffer[i],
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readsamplesize);
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readsamplesize);
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